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Code Issues Releases Wiki Activity

Globally replace 'this->m->' with 'm->'

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Using search and replace.
This commit is contained in:
m-holger 2023-05-21 14:42:34 +01:00
parent 2028e35928
commit 85d784952f
33 changed files with 1462 additions and 1561 deletions
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2
include/qpdf/QPDFOutlineObjectHelper.hh
View File

@ -42,7 +42,7 @@ class QPDFOutlineObjectHelper: public QPDFObjectHelper
{
// This must be cleared explicitly to avoid circular references
// that prevent cleanup of pointer holders.
this->m->parent = nullptr;
m->parent = nullptr;
}
// All constructors are private. You can only create one of these

10
libqpdf/Buffer.cc
View File

@ -66,8 +66,8 @@ Buffer::copy(Buffer const& rhs)
if (this != &rhs) {
this->m =
std::unique_ptr<Members>(new Members(rhs.m->size, nullptr, true));
if (this->m->size) {
memcpy(this->m->buf, rhs.m->buf, this->m->size);
if (m->size) {
memcpy(m->buf, rhs.m->buf, m->size);
}
}
}
@ -75,17 +75,17 @@ Buffer::copy(Buffer const& rhs)
size_t
Buffer::getSize() const
{
return this->m->size;
return m->size;
}
unsigned char const*
Buffer::getBuffer() const
{
return this->m->buf;
return m->buf;
}
unsigned char*
Buffer::getBuffer()
{
return this->m->buf;
return m->buf;
}

32
libqpdf/JSON.cc
View File

@ -197,10 +197,10 @@ JSON::JSON_blob::write(Pipeline* p, size_t) const
void
JSON::write(Pipeline* p, size_t depth) const
{
if (nullptr == this->m->value) {
if (nullptr == m->value) {
*p << "null";
} else {
this->m->value->write(p, depth);
m->value->write(p, depth);
}
}
@ -282,7 +282,7 @@ JSON::makeDictionary()
JSON
JSON::addDictionaryMember(std::string const& key, JSON const& val)
{
if (auto* obj = dynamic_cast<JSON_dictionary*>(this->m->value.get())) {
if (auto* obj = dynamic_cast<JSON_dictionary*>(m->value.get())) {
return obj->members[encode_string(key)] =
val.m->value ? val : makeNull();
} else {
@ -294,7 +294,7 @@ JSON::addDictionaryMember(std::string const& key, JSON const& val)
bool
JSON::checkDictionaryKeySeen(std::string const& key)
{
auto* obj = dynamic_cast<JSON_dictionary*>(this->m->value.get());
auto* obj = dynamic_cast<JSON_dictionary*>(m->value.get());
if (nullptr == obj) {
throw std::logic_error(
"JSON::checkDictionaryKey called on non-dictionary");
@ -315,7 +315,7 @@ JSON::makeArray()
JSON
JSON::addArrayElement(JSON const& val)
{
auto* arr = dynamic_cast<JSON_array*>(this->m->value.get());
auto* arr = dynamic_cast<JSON_array*>(m->value.get());
if (nullptr == arr) {
throw std::runtime_error("JSON::addArrayElement called on non-array");
}
@ -385,7 +385,7 @@ bool
JSON::getString(std::string& utf8) const
{
if (m->value->type_code == vt_string) {
auto v = dynamic_cast<JSON_string const*>(this->m->value.get());
auto v = dynamic_cast<JSON_string const*>(m->value.get());
utf8 = v->utf8;
return true;
}
@ -396,7 +396,7 @@ bool
JSON::getNumber(std::string& value) const
{
if (m->value->type_code == vt_number) {
auto v = dynamic_cast<JSON_number const*>(this->m->value.get());
auto v = dynamic_cast<JSON_number const*>(m->value.get());
value = v->encoded;
return true;
}
@ -407,7 +407,7 @@ bool
JSON::getBool(bool& value) const
{
if (m->value->type_code == vt_bool) {
auto v = dynamic_cast<JSON_bool const*>(this->m->value.get());
auto v = dynamic_cast<JSON_bool const*>(m->value.get());
value = v->value;
return true;
}
@ -424,7 +424,7 @@ bool
JSON::forEachDictItem(
std::function<void(std::string const& key, JSON value)> fn) const
{
auto v = dynamic_cast<JSON_dictionary const*>(this->m->value.get());
auto v = dynamic_cast<JSON_dictionary const*>(m->value.get());
if (v == nullptr) {
return false;
}
@ -437,7 +437,7 @@ JSON::forEachDictItem(
bool
JSON::forEachArrayItem(std::function<void(JSON value)> fn) const
{
auto v = dynamic_cast<JSON_array const*>(this->m->value.get());
auto v = dynamic_cast<JSON_array const*>(m->value.get());
if (v == nullptr) {
return false;
}
@ -451,7 +451,7 @@ bool
JSON::checkSchema(JSON schema, std::list<std::string>& errors)
{
return checkSchemaInternal(
this->m->value.get(), schema.m->value.get(), 0, errors, "");
m->value.get(), schema.m->value.get(), 0, errors, "");
}
bool
@ -459,7 +459,7 @@ JSON::checkSchema(
JSON schema, unsigned long flags, std::list<std::string>& errors)
{
return checkSchemaInternal(
this->m->value.get(), schema.m->value.get(), flags, errors, "");
m->value.get(), schema.m->value.get(), flags, errors, "");
}
bool
@ -1429,23 +1429,23 @@ JSON::parse(std::string const& s)
void
JSON::setStart(qpdf_offset_t start)
{
this->m->start = start;
m->start = start;
}
void
JSON::setEnd(qpdf_offset_t end)
{
this->m->end = end;
m->end = end;
}
qpdf_offset_t
JSON::getStart() const
{
return this->m->start;
return m->start;
}
qpdf_offset_t
JSON::getEnd() const
{
return this->m->end;
return m->end;
}

86
libqpdf/JSONHandler.cc
View File

@ -18,51 +18,51 @@ JSONHandler::usage(std::string const& msg)
void
JSONHandler::addAnyHandler(json_handler_t fn)
{
this->m->h.any_handler = fn;
m->h.any_handler = fn;
}
void
JSONHandler::addNullHandler(void_handler_t fn)
{
this->m->h.null_handler = fn;
m->h.null_handler = fn;
}
void
JSONHandler::addStringHandler(string_handler_t fn)
{
this->m->h.string_handler = fn;
m->h.string_handler = fn;
}
void
JSONHandler::addNumberHandler(string_handler_t fn)
{
this->m->h.number_handler = fn;
m->h.number_handler = fn;
}
void
JSONHandler::addBoolHandler(bool_handler_t fn)
{
this->m->h.bool_handler = fn;
m->h.bool_handler = fn;
}
void
JSONHandler::addDictHandlers(json_handler_t start_fn, void_handler_t end_fn)
{
this->m->h.dict_start_handler = start_fn;
this->m->h.dict_end_handler = end_fn;
m->h.dict_start_handler = start_fn;
m->h.dict_end_handler = end_fn;
}
void
JSONHandler::addDictKeyHandler(
std::string const& key, std::shared_ptr<JSONHandler> dkh)
{
this->m->h.dict_handlers[key] = dkh;
m->h.dict_handlers[key] = dkh;
}
void
JSONHandler::addFallbackDictHandler(std::shared_ptr<JSONHandler> fdh)
{
this->m->h.fallback_dict_handler = fdh;
m->h.fallback_dict_handler = fdh;
}
void
@ -71,71 +71,71 @@ JSONHandler::addArrayHandlers(
void_handler_t end_fn,
std::shared_ptr<JSONHandler> ah)
{
this->m->h.array_start_handler = start_fn;
this->m->h.array_end_handler = end_fn;
this->m->h.array_item_handler = ah;
m->h.array_start_handler = start_fn;
m->h.array_end_handler = end_fn;
m->h.array_item_handler = ah;
}
void
JSONHandler::handle(std::string const& path, JSON j)
{
if (this->m->h.any_handler) {
this->m->h.any_handler(path, j);
if (m->h.any_handler) {
m->h.any_handler(path, j);
return;
}
bool handled = false;
bool bvalue = false;
std::string s_value;
if (this->m->h.null_handler && j.isNull()) {
this->m->h.null_handler(path);
if (m->h.null_handler && j.isNull()) {
m->h.null_handler(path);
handled = true;
}
if (this->m->h.string_handler && j.getString(s_value)) {
this->m->h.string_handler(path, s_value);
if (m->h.string_handler && j.getString(s_value)) {
m->h.string_handler(path, s_value);
handled = true;
}
if (this->m->h.number_handler && j.getNumber(s_value)) {
this->m->h.number_handler(path, s_value);
if (m->h.number_handler && j.getNumber(s_value)) {
m->h.number_handler(path, s_value);
handled = true;
}
if (this->m->h.bool_handler && j.getBool(bvalue)) {
this->m->h.bool_handler(path, bvalue);
if (m->h.bool_handler && j.getBool(bvalue)) {
m->h.bool_handler(path, bvalue);
handled = true;
}
if (this->m->h.dict_start_handler && j.isDictionary()) {
this->m->h.dict_start_handler(path, j);
if (m->h.dict_start_handler && j.isDictionary()) {
m->h.dict_start_handler(path, j);
std::string path_base = path;
if (path_base != ".") {
path_base += ".";
}
j.forEachDictItem([&path, &path_base, this](
std::string const& k, JSON v) {
auto i = this->m->h.dict_handlers.find(k);
if (i == this->m->h.dict_handlers.end()) {
if (this->m->h.fallback_dict_handler.get()) {
this->m->h.fallback_dict_handler->handle(path_base + k, v);
j.forEachDictItem(
[&path, &path_base, this](std::string const& k, JSON v) {
auto i = m->h.dict_handlers.find(k);
if (i == m->h.dict_handlers.end()) {
if (m->h.fallback_dict_handler.get()) {
m->h.fallback_dict_handler->handle(path_base + k, v);
} else {
QTC::TC("libtests", "JSONHandler unexpected key");
usage(
"JSON handler found unexpected key " + k +
" in object at " + path);
}
} else {
QTC::TC("libtests", "JSONHandler unexpected key");
usage(
"JSON handler found unexpected key " + k +
" in object at " + path);
i->second->handle(path_base + k, v);
}
} else {
i->second->handle(path_base + k, v);
}
});
this->m->h.dict_end_handler(path);
});
m->h.dict_end_handler(path);
handled = true;
}
if (this->m->h.array_start_handler && j.isArray()) {
this->m->h.array_start_handler(path, j);
if (m->h.array_start_handler && j.isArray()) {
m->h.array_start_handler(path, j);
size_t i = 0;
j.forEachArrayItem([&i, &path, this](JSON v) {
this->m->h.array_item_handler->handle(
m->h.array_item_handler->handle(
path + "[" + std::to_string(i) + "]", v);
++i;
});
this->m->h.array_end_handler(path);
m->h.array_end_handler(path);
handled = true;
}

22
libqpdf/Pl_Buffer.cc
View File

@ -20,8 +20,8 @@ Pl_Buffer::~Pl_Buffer()
void
Pl_Buffer::write(unsigned char const* buf, size_t len)
{
this->m->data.append(buf, len);
this->m->ready = false;
m->data.append(buf, len);
m->ready = false;
if (getNext(true)) {
getNext()->write(buf, len);
@ -31,7 +31,7 @@ Pl_Buffer::write(unsigned char const* buf, size_t len)
void
Pl_Buffer::finish()
{
this->m->ready = true;
m->ready = true;
if (getNext(true)) {
getNext()->finish();
}
@ -40,17 +40,17 @@ Pl_Buffer::finish()
Buffer*
Pl_Buffer::getBuffer()
{
if (!this->m->ready) {
if (!m->ready) {
throw std::logic_error("Pl_Buffer::getBuffer() called when not ready");
}
auto size = this->m->data.length();
auto size = m->data.length();
auto* b = new Buffer(size);
if (size > 0) {
unsigned char* p = b->getBuffer();
memcpy(p, this->m->data.data(), size);
memcpy(p, m->data.data(), size);
}
this->m->data.clear();
m->data.clear();
return b;
}
@ -63,17 +63,17 @@ Pl_Buffer::getBufferSharedPointer()
void
Pl_Buffer::getMallocBuffer(unsigned char** buf, size_t* len)
{
if (!this->m->ready) {
if (!m->ready) {
throw std::logic_error(
"Pl_Buffer::getMallocBuffer() called when not ready");
}
auto size = this->m->data.length();
auto size = m->data.length();
*len = size;
if (size > 0) {
*buf = reinterpret_cast<unsigned char*>(malloc(size));
memcpy(*buf, this->m->data.data(), size);
memcpy(*buf, m->data.data(), size);
} else {
*buf = nullptr;
}
this->m->data.clear();
m->data.clear();
}

8
libqpdf/Pl_Count.cc
View File

@ -24,8 +24,8 @@ void
Pl_Count::write(unsigned char const* buf, size_t len)
{
if (len) {
this->m->count += QIntC::to_offset(len);
this->m->last_char = buf[len - 1];
m->count += QIntC::to_offset(len);
m->last_char = buf[len - 1];
getNext()->write(buf, len);
}
}
@ -39,11 +39,11 @@ Pl_Count::finish()
qpdf_offset_t
Pl_Count::getCount() const
{
return this->m->count;
return m->count;
}
unsigned char
Pl_Count::getLastChar() const
{
return this->m->last_char;
return m->last_char;
}

24
libqpdf/Pl_DCT.cc
View File

@ -84,18 +84,18 @@ Pl_DCT::~Pl_DCT()
void
Pl_DCT::write(unsigned char const* data, size_t len)
{
this->m->buf.write(data, len);
m->buf.write(data, len);
}
void
Pl_DCT::finish()
{
this->m->buf.finish();
m->buf.finish();
// Using a std::shared_ptr<Buffer> here and passing it into compress
// and decompress causes a memory leak with setjmp/longjmp. Just
// use a pointer and delete it.
Buffer* b = this->m->buf.getBuffer();
Buffer* b = m->buf.getBuffer();
if (b->getSize() == 0) {
// Special case: empty data will never succeed and probably
// means we're calling finish a second time from an exception
@ -118,7 +118,7 @@ Pl_DCT::finish()
// for exception handling.
if (setjmp(jerr.jmpbuf) == 0) {
try {
if (this->m->action == a_compress) {
if (m->action == a_compress) {
compress(reinterpret_cast<void*>(&cinfo_compress), b);
} else {
decompress(reinterpret_cast<void*>(&cinfo_decompress), b);
@ -135,10 +135,10 @@ Pl_DCT::finish()
}
delete b;
if (this->m->action == a_compress) {
if (m->action == a_compress) {
jpeg_destroy_compress(&cinfo_compress);
}
if (this->m->action == a_decompress) {
if (m->action == a_decompress) {
jpeg_destroy_decompress(&cinfo_decompress);
}
if (error) {
@ -279,13 +279,13 @@ Pl_DCT::compress(void* cinfo_p, Buffer* b)
unsigned char* outbuffer = outbuffer_ph.get();
jpeg_pipeline_dest(cinfo, outbuffer, BUF_SIZE, this->getNext());
cinfo->image_width = this->m->image_width;
cinfo->image_height = this->m->image_height;
cinfo->input_components = this->m->components;
cinfo->in_color_space = this->m->color_space;
cinfo->image_width = m->image_width;
cinfo->image_height = m->image_height;
cinfo->input_components = m->components;
cinfo->in_color_space = m->color_space;
jpeg_set_defaults(cinfo);
if (this->m->config_callback) {
this->m->config_callback->apply(cinfo);
if (m->config_callback) {
m->config_callback->apply(cinfo);
}
jpeg_start_compress(cinfo, TRUE);

48
libqpdf/Pl_Flate.cc
View File

@ -72,21 +72,21 @@ Pl_Flate::~Pl_Flate()
void
Pl_Flate::setWarnCallback(std::function<void(char const*, int)> callback)
{
this->m->callback = callback;
m->callback = callback;
}
void
Pl_Flate::warn(char const* msg, int code)
{
if (this->m->callback != nullptr) {
this->m->callback(msg, code);
if (m->callback != nullptr) {
m->callback(msg, code);
}
}
void
Pl_Flate::write(unsigned char const* data, size_t len)
{
if (this->m->outbuf == nullptr) {
if (m->outbuf == nullptr) {
throw std::logic_error(
this->identifier +
": Pl_Flate: write() called after finish() called");
@ -100,9 +100,7 @@ Pl_Flate::write(unsigned char const* data, size_t len)
while (bytes_left > 0) {
size_t bytes = (bytes_left >= max_bytes ? max_bytes : bytes_left);
handleData(
buf,
bytes,
(this->m->action == a_inflate ? Z_SYNC_FLUSH : Z_NO_FLUSH));
buf, bytes, (m->action == a_inflate ? Z_SYNC_FLUSH : Z_NO_FLUSH));
bytes_left -= bytes;
buf += bytes;
}
@ -115,13 +113,13 @@ Pl_Flate::handleData(unsigned char const* data, size_t len, int flush)
throw std::runtime_error("Pl_Flate: zlib doesn't support data"
" blocks larger than int");
}
z_stream& zstream = *(static_cast<z_stream*>(this->m->zdata));
z_stream& zstream = *(static_cast<z_stream*>(m->zdata));
// zlib is known not to modify the data pointed to by next_in but
// doesn't declare the field value const unless compiled to do so.
zstream.next_in = const_cast<unsigned char*>(data);
zstream.avail_in = QIntC::to_uint(len);
if (!this->m->initialized) {
if (!m->initialized) {
int err = Z_OK;
// deflateInit and inflateInit are macros that use old-style
@ -132,7 +130,7 @@ Pl_Flate::handleData(unsigned char const* data, size_t len, int flush)
# pragma GCC diagnostic push
# pragma GCC diagnostic ignored "-Wold-style-cast"
#endif
if (this->m->action == a_deflate) {
if (m->action == a_deflate) {
err = deflateInit(&zstream, compression_level);
} else {
err = inflateInit(&zstream);
@ -144,19 +142,19 @@ Pl_Flate::handleData(unsigned char const* data, size_t len, int flush)
#endif
checkError("Init", err);
this->m->initialized = true;
m->initialized = true;
}
int err = Z_OK;
bool done = false;
while (!done) {
if (this->m->action == a_deflate) {
if (m->action == a_deflate) {
err = deflate(&zstream, flush);
} else {
err = inflate(&zstream, flush);
}
if ((this->m->action == a_inflate) && (err != Z_OK) && zstream.msg &&
if ((m->action == a_inflate) && (err != Z_OK) && zstream.msg &&
(strcmp(zstream.msg, "incorrect data check") == 0)) {
// Other PDF readers ignore this specific error. Combining
// this with Z_SYNC_FLUSH enables qpdf to handle some
@ -191,11 +189,11 @@ Pl_Flate::handleData(unsigned char const* data, size_t len, int flush)
done = true;
}
uLong ready =
QIntC::to_ulong(this->m->out_bufsize - zstream.avail_out);
QIntC::to_ulong(m->out_bufsize - zstream.avail_out);
if (ready > 0) {
this->getNext()->write(this->m->outbuf.get(), ready);
zstream.next_out = this->m->outbuf.get();
zstream.avail_out = QIntC::to_uint(this->m->out_bufsize);
this->getNext()->write(m->outbuf.get(), ready);
zstream.next_out = m->outbuf.get();
zstream.avail_out = QIntC::to_uint(m->out_bufsize);
}
}
break;
@ -211,23 +209,23 @@ void
Pl_Flate::finish()
{
try {
if (this->m->outbuf.get()) {
if (this->m->initialized) {
z_stream& zstream = *(static_cast<z_stream*>(this->m->zdata));
if (m->outbuf.get()) {
if (m->initialized) {
z_stream& zstream = *(static_cast<z_stream*>(m->zdata));
unsigned char buf[1];
buf[0] = '\0';
handleData(buf, 0, Z_FINISH);
int err = Z_OK;
if (this->m->action == a_deflate) {
if (m->action == a_deflate) {
err = deflateEnd(&zstream);
} else {
err = inflateEnd(&zstream);
}
this->m->initialized = false;
m->initialized = false;
checkError("End", err);
}
this->m->outbuf = nullptr;
m->outbuf = nullptr;
}
} catch (std::exception& e) {
try {
@ -249,10 +247,10 @@ Pl_Flate::setCompressionLevel(int level)
void
Pl_Flate::checkError(char const* prefix, int error_code)
{
z_stream& zstream = *(static_cast<z_stream*>(this->m->zdata));
z_stream& zstream = *(static_cast<z_stream*>(m->zdata));
if (error_code != Z_OK) {
char const* action_str =
(this->m->action == a_deflate ? "deflate" : "inflate");
(m->action == a_deflate ? "deflate" : "inflate");
std::string msg =
this->identifier + ": " + action_str + ": " + prefix + ": ";

2
libqpdf/Pl_Function.cc
View File

@ -52,7 +52,7 @@ Pl_Function::~Pl_Function()
void
Pl_Function::write(unsigned char const* buf, size_t len)
{
this->m->fn(buf, len);
m->fn(buf, len);
if (getNext(true)) {
getNext()->write(buf, len);
}

4
libqpdf/Pl_OStream.cc
View File

@ -22,12 +22,12 @@ Pl_OStream::~Pl_OStream()
void
Pl_OStream::write(unsigned char const* buf, size_t len)
{
this->m->os.write(
m->os.write(
reinterpret_cast<char const*>(buf), static_cast<std::streamsize>(len));
}
void
Pl_OStream::finish()
{
this->m->os.flush();
m->os.flush();
}

17
libqpdf/Pl_QPDFTokenizer.cc
View File

@ -33,37 +33,36 @@ Pl_QPDFTokenizer::~Pl_QPDFTokenizer()
void
Pl_QPDFTokenizer::write(unsigned char const* data, size_t len)
{
this->m->buf.write(data, len);
m->buf.write(data, len);
}
void
Pl_QPDFTokenizer::finish()
{
this->m->buf.finish();
m->buf.finish();
auto input = std::shared_ptr<InputSource>(
// line-break
new BufferInputSource(
"tokenizer data", this->m->buf.getBuffer(), true));
new BufferInputSource("tokenizer data", m->buf.getBuffer(), true));
while (true) {
QPDFTokenizer::Token token = this->m->tokenizer.readToken(
QPDFTokenizer::Token token = m->tokenizer.readToken(
input, "offset " + std::to_string(input->tell()), true);
this->m->filter->handleToken(token);
m->filter->handleToken(token);
if (token.getType() == QPDFTokenizer::tt_eof) {
break;
} else if (token.isWord("ID")) {
// Read the space after the ID.
char ch = ' ';
input->read(&ch, 1);
this->m->filter->handleToken(
m->filter->handleToken(
// line-break
QPDFTokenizer::Token(
QPDFTokenizer::tt_space, std::string(1, ch)));
QTC::TC("qpdf", "Pl_QPDFTokenizer found ID");
this->m->tokenizer.expectInlineImage(input);
m->tokenizer.expectInlineImage(input);
}
}
this->m->filter->handleEOF();
m->filter->handleEOF();
QPDFObjectHandle::TokenFilter::PipelineAccessor::setPipeline(
m->filter, nullptr);
Pipeline* next = this->getNext(true);

84
libqpdf/Pl_RunLength.cc
View File

@ -26,7 +26,7 @@ Pl_RunLength::~Pl_RunLength()
void
Pl_RunLength::write(unsigned char const* data, size_t len)
{
if (this->m->action == a_encode) {
if (m->action == a_encode) {
encode(data, len);
} else {
decode(data, len);
@ -37,35 +37,35 @@ void
Pl_RunLength::encode(unsigned char const* data, size_t len)
{
for (size_t i = 0; i < len; ++i) {
if ((this->m->state == st_top) != (this->m->length <= 1)) {
if ((m->state == st_top) != (m->length <= 1)) {
throw std::logic_error(
"Pl_RunLength::encode: state/length inconsistency");
}
unsigned char ch = data[i];
if ((this->m->length > 0) &&
((this->m->state == st_copying) || (this->m->length < 128)) &&
(ch == this->m->buf[this->m->length - 1])) {
if ((m->length > 0) &&
((m->state == st_copying) || (m->length < 128)) &&
(ch == m->buf[m->length - 1])) {
QTC::TC(
"libtests",
"Pl_RunLength: switch to run",
(this->m->length == 128) ? 0 : 1);
if (this->m->state == st_copying) {
--this->m->length;
(m->length == 128) ? 0 : 1);
if (m->state == st_copying) {
--m->length;
flush_encode();
this->m->buf[0] = ch;
this->m->length = 1;
m->buf[0] = ch;
m->length = 1;
}
this->m->state = st_run;
this->m->buf[this->m->length] = ch;
++this->m->length;
m->state = st_run;
m->buf[m->length] = ch;
++m->length;
} else {
if ((this->m->length == 128) || (this->m->state == st_run)) {
if ((m->length == 128) || (m->state == st_run)) {
flush_encode();
} else if (this->m->length > 0) {
this->m->state = st_copying;
} else if (m->length > 0) {
m->state = st_copying;
}
this->m->buf[this->m->length] = ch;
++this->m->length;
m->buf[m->length] = ch;
++m->length;
}
}
}
@ -75,16 +75,16 @@ Pl_RunLength::decode(unsigned char const* data, size_t len)
{
for (size_t i = 0; i < len; ++i) {
unsigned char ch = data[i];
switch (this->m->state) {
switch (m->state) {
case st_top:
if (ch < 128) {
// length represents remaining number of bytes to copy
this->m->length = 1U + ch;
this->m->state = st_copying;
m->length = 1U + ch;
m->state = st_copying;
} else if (ch > 128) {
// length represents number of copies of next byte
this->m->length = 257U - ch;
this->m->state = st_run;
m->length = 257U - ch;
m->state = st_run;
} else // ch == 128
{
// EOD; stay in this state
@ -93,16 +93,16 @@ Pl_RunLength::decode(unsigned char const* data, size_t len)
case st_copying:
this->getNext()->write(&ch, 1);
if (--this->m->length == 0) {
this->m->state = st_top;
if (--m->length == 0) {
m->state = st_top;
}
break;
case st_run:
for (unsigned int j = 0; j < this->m->length; ++j) {
for (unsigned int j = 0; j < m->length; ++j) {
this->getNext()->write(&ch, 1);
}
this->m->state = st_top;
m->state = st_top;
break;
}
}
@ -111,32 +111,32 @@ Pl_RunLength::decode(unsigned char const* data, size_t len)
void
Pl_RunLength::flush_encode()
{
if (this->m->length == 128) {
if (m->length == 128) {
QTC::TC(
"libtests",
"Pl_RunLength flush full buffer",
(this->m->state == st_copying ? 0
: this->m->state == st_run ? 1
: -1));
(m->state == st_copying ? 0
: m->state == st_run ? 1
: -1));
}
if (this->m->length == 0) {
if (m->length == 0) {
QTC::TC("libtests", "Pl_RunLength flush empty buffer");
}
if (this->m->state == st_run) {
if ((this->m->length < 2) || (this->m->length > 128)) {
if (m->state == st_run) {
if ((m->length < 2) || (m->length > 128)) {
throw std::logic_error(
"Pl_RunLength: invalid length in flush_encode for run");
}
auto ch = static_cast<unsigned char>(257 - this->m->length);
auto ch = static_cast<unsigned char>(257 - m->length);
this->getNext()->write(&ch, 1);
this->getNext()->write(&this->m->buf[0], 1);
} else if (this->m->length > 0) {
auto ch = static_cast<unsigned char>(this->m->length - 1);
this->getNext()->write(&m->buf[0], 1);
} else if (m->length > 0) {
auto ch = static_cast<unsigned char>(m->length - 1);
this->getNext()->write(&ch, 1);
this->getNext()->write(this->m->buf, this->m->length);
this->getNext()->write(m->buf, m->length);
}
this->m->state = st_top;
this->m->length = 0;
m->state = st_top;
m->length = 0;
}
void
@ -146,7 +146,7 @@ Pl_RunLength::finish()
// data, which means the stream was terminated early, but we will
// just ignore this case since this is the only sensible thing to
// do.
if (this->m->action == a_encode) {
if (m->action == a_encode) {
flush_encode();
unsigned char ch = 128;
this->getNext()->write(&ch, 1);

4
libqpdf/Pl_StdioFile.cc
View File

@ -28,7 +28,7 @@ Pl_StdioFile::write(unsigned char const* buf, size_t len)
{
size_t so_far = 0;
while (len > 0) {
so_far = fwrite(buf, 1, len, this->m->file);
so_far = fwrite(buf, 1, len, m->file);
if (so_far == 0) {
QUtil::throw_system_error(
this->identifier + ": Pl_StdioFile::write");
@ -42,7 +42,7 @@ Pl_StdioFile::write(unsigned char const* buf, size_t len)
void
Pl_StdioFile::finish()
{
if ((fflush(this->m->file) == -1) && (errno == EBADF)) {
if ((fflush(m->file) == -1) && (errno == EBADF)) {
throw std::logic_error(
this->identifier + ": Pl_StdioFile::finish: stream already closed");
}

2
libqpdf/Pl_String.cc
View File

@ -22,7 +22,7 @@ Pl_String::~Pl_String()
void
Pl_String::write(unsigned char const* buf, size_t len)
{
this->m->s.append(reinterpret_cast<char const*>(buf), len);
m->s.append(reinterpret_cast<char const*>(buf), len);
if (getNext(true)) {
getNext()->write(buf, len);
}

333
libqpdf/QPDF.cc
View File

@ -246,8 +246,8 @@ QPDF::~QPDF()
// At this point, obviously no one is still using the QPDF object,
// but we'll explicitly clear the xref table anyway just to
// prevent any possibility of resolve() succeeding.
this->m->xref_table.clear();
for (auto const& iter: this->m->obj_cache) {
m->xref_table.clear();
for (auto const& iter: m->obj_cache) {
iter.second.object->disconnect();
if (iter.second.object->getTypeCode() != ::ot_null) {
iter.second.object->destroy();
@ -297,20 +297,20 @@ void
QPDF::processInputSource(
std::shared_ptr<InputSource> source, char const* password)
{
this->m->file = source;
m->file = source;
parse(password);
}
void
QPDF::closeInputSource()
{
this->m->file = std::shared_ptr<InputSource>(new InvalidInputSource());
m->file = std::shared_ptr<InputSource>(new InvalidInputSource());
}
void
QPDF::setPasswordIsHexKey(bool val)
{
this->m->provided_password_is_hex_key = val;
m->provided_password_is_hex_key = val;
}
void
@ -330,64 +330,64 @@ QPDF::registerStreamFilter(
void
QPDF::setIgnoreXRefStreams(bool val)
{
this->m->ignore_xref_streams = val;
m->ignore_xref_streams = val;
}
std::shared_ptr<QPDFLogger>
QPDF::getLogger()
{
return this->m->log;
return m->log;
}
void
QPDF::setLogger(std::shared_ptr<QPDFLogger> l)
{
this->m->log = l;
m->log = l;
}
void
QPDF::setOutputStreams(std::ostream* out, std::ostream* err)
{
setLogger(QPDFLogger::create());
this->m->log->setOutputStreams(out, err);
m->log->setOutputStreams(out, err);
}
void
QPDF::setSuppressWarnings(bool val)
{
this->m->suppress_warnings = val;
m->suppress_warnings = val;
}
void
QPDF::setAttemptRecovery(bool val)
{
this->m->attempt_recovery = val;
m->attempt_recovery = val;
}
void
QPDF::setImmediateCopyFrom(bool val)
{
this->m->immediate_copy_from = val;
m->immediate_copy_from = val;
}
std::vector<QPDFExc>
QPDF::getWarnings()
{
std::vector<QPDFExc> result = this->m->warnings;
this->m->warnings.clear();
std::vector<QPDFExc> result = m->warnings;
m->warnings.clear();
return result;
}
bool
QPDF::anyWarnings() const
{
return !this->m->warnings.empty();
return !m->warnings.empty();
}
size_t
QPDF::numWarnings() const
{
return this->m->warnings.size();
return m->warnings.size();
}
bool
@ -413,8 +413,8 @@ QPDF::validatePDFVersion(char const*& p, std::string& version)
bool
QPDF::findHeader()
{
qpdf_offset_t global_offset = this->m->file->tell();
std::string line = this->m->file->readLine(1024);
qpdf_offset_t global_offset = m->file->tell();
std::string line = m->file->readLine(1024);
char const* p = line.c_str();
if (strncmp(p, "%PDF-", 5) != 0) {
throw std::logic_error("findHeader is not looking at %PDF-");
@ -427,15 +427,15 @@ QPDF::findHeader()
// advancement.
bool valid = validatePDFVersion(p, version);
if (valid) {
this->m->pdf_version = version;
m->pdf_version = version;
if (global_offset != 0) {
// Empirical evidence strongly suggests that when there is
// leading material prior to the PDF header, all explicit
// offsets in the file are such that 0 points to the
// beginning of the header.
QTC::TC("qpdf", "QPDF global offset");
this->m->file = std::shared_ptr<InputSource>(
new OffsetInputSource(this->m->file, global_offset));
m->file = std::shared_ptr<InputSource>(
new OffsetInputSource(m->file, global_offset));
}
}
return valid;
@ -447,7 +447,7 @@ QPDF::findStartxref()
if (readToken(m->file).isWord("startxref") &&
readToken(m->file).isInteger()) {
// Position in front of offset token
this->m->file->seek(this->m->file->getLastOffset(), SEEK_SET);
m->file->seek(m->file->getLastOffset(), SEEK_SET);
return true;
}
return false;
@ -457,30 +457,30 @@ void
QPDF::parse(char const* password)
{
if (password) {
this->m->encp->provided_password = password;
m->encp->provided_password = password;
}
// Find the header anywhere in the first 1024 bytes of the file.
PatternFinder hf(*this, &QPDF::findHeader);
if (!this->m->file->findFirst("%PDF-", 0, 1024, hf)) {
if (!m->file->findFirst("%PDF-", 0, 1024, hf)) {
QTC::TC("qpdf", "QPDF not a pdf file");
warn(damagedPDF("", 0, "can't find PDF header"));
// QPDFWriter writes files that usually require at least
// version 1.2 for /FlateDecode
this->m->pdf_version = "1.2";
m->pdf_version = "1.2";
}
// PDF spec says %%EOF must be found within the last 1024 bytes of
// the file. We add an extra 30 characters to leave room for the
// startxref stuff.
this->m->file->seek(0, SEEK_END);
qpdf_offset_t end_offset = this->m->file->tell();
m->file->seek(0, SEEK_END);
qpdf_offset_t end_offset = m->file->tell();
qpdf_offset_t start_offset = (end_offset > 1054 ? end_offset - 1054 : 0);
PatternFinder sf(*this, &QPDF::findStartxref);
qpdf_offset_t xref_offset = 0;
if (this->m->file->findLast("startxref", start_offset, 0, sf)) {
if (m->file->findLast("startxref", start_offset, 0, sf)) {
xref_offset =
QUtil::string_to_ll(readToken(this->m->file).getValue().c_str());
QUtil::string_to_ll(readToken(m->file).getValue().c_str());
}
try {
@ -497,7 +497,7 @@ QPDF::parse(char const* password)
"", 0, std::string("error reading xref: ") + e.what());
}
} catch (QPDFExc& e) {
if (this->m->attempt_recovery) {
if (m->attempt_recovery) {
reconstruct_xref(e);
QTC::TC("qpdf", "QPDF reconstructed xref table");
} else {
@ -506,29 +506,28 @@ QPDF::parse(char const* password)
}
initializeEncryption();
this->m->parsed = true;
m->parsed = true;
}
void
QPDF::inParse(bool v)
{
if (this->m->in_parse == v) {
if (m->in_parse == v) {
// This happens if QPDFParser::parse tries to
// resolve an indirect object while it is parsing.
throw std::logic_error(
"QPDF: re-entrant parsing detected. This is a qpdf bug."
" Please report at https://github.com/qpdf/qpdf/issues.");
}
this->m->in_parse = v;
m->in_parse = v;
}
void
QPDF::warn(QPDFExc const& e)
{
this->m->warnings.push_back(e);
if (!this->m->suppress_warnings) {
*this->m->log->getWarn()
<< "WARNING: " << this->m->warnings.back().what() << "\n";
m->warnings.push_back(e);
if (!m->suppress_warnings) {
*m->log->getWarn() << "WARNING: " << m->warnings.back().what() << "\n";
}
}
@ -545,25 +544,25 @@ QPDF::warn(
void
QPDF::setTrailer(QPDFObjectHandle obj)
{
if (this->m->trailer.isInitialized()) {
if (m->trailer.isInitialized()) {
return;
}
this->m->trailer = obj;
m->trailer = obj;
}
void
QPDF::reconstruct_xref(QPDFExc& e)
{
if (this->m->reconstructed_xref) {
if (m->reconstructed_xref) {
// Avoid xref reconstruction infinite loops. This is getting
// very hard to reproduce because qpdf is throwing many fewer
// exceptions while parsing. Most situations are warnings now.
throw e;
}
this->m->reconstructed_xref = true;
m->reconstructed_xref = true;
// We may find more objects, which may contain dangling references.
this->m->fixed_dangling_refs = false;
m->fixed_dangling_refs = false;
warn(damagedPDF("", 0, "file is damaged"));
warn(e);
@ -571,53 +570,53 @@ QPDF::reconstruct_xref(QPDFExc& e)
// Delete all references to type 1 (uncompressed) objects
std::set<QPDFObjGen> to_delete;
for (auto const& iter: this->m->xref_table) {
for (auto const& iter: m->xref_table) {
if (iter.second.getType() == 1) {
to_delete.insert(iter.first);
}
}
for (auto const& iter: to_delete) {
this->m->xref_table.erase(iter);
m->xref_table.erase(iter);
}
this->m->file->seek(0, SEEK_END);
qpdf_offset_t eof = this->m->file->tell();
this->m->file->seek(0, SEEK_SET);
m->file->seek(0, SEEK_END);
qpdf_offset_t eof = m->file->tell();
m->file->seek(0, SEEK_SET);
qpdf_offset_t line_start = 0;
// Don't allow very long tokens here during recovery.
static size_t const MAX_LEN = 100;
while (this->m->file->tell() < eof) {
this->m->file->findAndSkipNextEOL();
qpdf_offset_t next_line_start = this->m->file->tell();
this->m->file->seek(line_start, SEEK_SET);
QPDFTokenizer::Token t1 = readToken(this->m->file, MAX_LEN);
while (m->file->tell() < eof) {
m->file->findAndSkipNextEOL();
qpdf_offset_t next_line_start = m->file->tell();
m->file->seek(line_start, SEEK_SET);
QPDFTokenizer::Token t1 = readToken(m->file, MAX_LEN);
qpdf_offset_t token_start =
this->m->file->tell() - toO(t1.getValue().length());
m->file->tell() - toO(t1.getValue().length());
if (token_start >= next_line_start) {
// don't process yet -- wait until we get to the line
// containing this token
} else if (t1.isInteger()) {
QPDFTokenizer::Token t2 = readToken(this->m->file, MAX_LEN);
QPDFTokenizer::Token t2 = readToken(m->file, MAX_LEN);
if ((t2.isInteger()) &&
(readToken(m->file, MAX_LEN).isWord("obj"))) {
int obj = QUtil::string_to_int(t1.getValue().c_str());
int gen = QUtil::string_to_int(t2.getValue().c_str());
insertXrefEntry(obj, 1, token_start, gen, true);
}
} else if (!this->m->trailer.isInitialized() && t1.isWord("trailer")) {
} else if (!m->trailer.isInitialized() && t1.isWord("trailer")) {
QPDFObjectHandle t =
readObject(this->m->file, "trailer", QPDFObjGen(), false);
readObject(m->file, "trailer", QPDFObjGen(), false);
if (!t.isDictionary()) {
// Oh well. It was worth a try.
} else {
setTrailer(t);
}
}
this->m->file->seek(next_line_start, SEEK_SET);
m->file->seek(next_line_start, SEEK_SET);
line_start = next_line_start;
}
if (!this->m->trailer.isInitialized()) {
if (!m->trailer.isInitialized()) {
// We could check the last encountered object to see if it was
// an xref stream. If so, we could try to get the trailer
// from there. This may make it possible to recover files
@ -648,7 +647,7 @@ QPDF::read_xref(qpdf_offset_t xref_offset)
visited.insert(xref_offset);
char buf[7];
memset(buf, 0, sizeof(buf));
this->m->file->seek(xref_offset, SEEK_SET);
m->file->seek(xref_offset, SEEK_SET);
// Some files miss the mark a little with startxref. We could
// do a better job of searching in the neighborhood for
// something that looks like either an xref table or stream,
@ -659,11 +658,11 @@ QPDF::read_xref(qpdf_offset_t xref_offset)
bool skipped_space = false;
while (!done) {
char ch;
if (1 == this->m->file->read(&ch, 1)) {
if (1 == m->file->read(&ch, 1)) {
if (QUtil::is_space(ch)) {
skipped_space = true;
} else {
this->m->file->unreadCh(ch);
m->file->unreadCh(ch);
done = true;
}
} else {
@ -675,7 +674,7 @@ QPDF::read_xref(qpdf_offset_t xref_offset)
}
}
this->m->file->read(buf, sizeof(buf) - 1);
m->file->read(buf, sizeof(buf) - 1);
// The PDF spec says xref must be followed by a line
// terminator, but files exist in the wild where it is
// terminated by arbitrary whitespace.
@ -708,16 +707,16 @@ QPDF::read_xref(qpdf_offset_t xref_offset)
}
}
if (!this->m->trailer.isInitialized()) {
if (!m->trailer.isInitialized()) {
throw damagedPDF("", 0, "unable to find trailer while reading xref");
}
int size = this->m->trailer.getKey("/Size").getIntValueAsInt();
int size = m->trailer.getKey("/Size").getIntValueAsInt();
int max_obj = 0;
if (!this->m->xref_table.empty()) {
max_obj = (*(this->m->xref_table.rbegin())).first.getObj();
if (!m->xref_table.empty()) {
max_obj = (*(m->xref_table.rbegin())).first.getObj();
}
if (!this->m->deleted_objects.empty()) {
max_obj = std::max(max_obj, *(this->m->deleted_objects.rbegin()));
if (!m->deleted_objects.empty()) {
max_obj = std::max(max_obj, *(m->deleted_objects.rbegin()));
}
if ((size < 1) || (size - 1 != max_obj)) {
QTC::TC("qpdf", "QPDF xref size mismatch");
@ -731,7 +730,7 @@ QPDF::read_xref(qpdf_offset_t xref_offset)
// We no longer need the deleted_objects table, so go ahead and
// clear it out to make sure we never depend on its being set.
this->m->deleted_objects.clear();
m->deleted_objects.clear();
}
bool
@ -864,12 +863,12 @@ QPDF::read_xrefTable(qpdf_offset_t xref_offset)
{
std::vector<QPDFObjGen> deleted_items;
this->m->file->seek(xref_offset, SEEK_SET);
m->file->seek(xref_offset, SEEK_SET);
bool done = false;
while (!done) {
char linebuf[51];
memset(linebuf, 0, sizeof(linebuf));
this->m->file->read(linebuf, sizeof(linebuf) - 1);
m->file->read(linebuf, sizeof(linebuf) - 1);
std::string line = linebuf;
int obj = 0;
int num = 0;
@ -878,13 +877,13 @@ QPDF::read_xrefTable(qpdf_offset_t xref_offset)
QTC::TC("qpdf", "QPDF invalid xref");
throw damagedPDF("xref table", "xref syntax invalid");
}
this->m->file->seek(this->m->file->getLastOffset() + bytes, SEEK_SET);
m->file->seek(m->file->getLastOffset() + bytes, SEEK_SET);
for (qpdf_offset_t i = obj; i - num < obj; ++i) {
if (i == 0) {
// This is needed by checkLinearization()
this->m->first_xref_item_offset = this->m->file->tell();
m->first_xref_item_offset = m->file->tell();
}
std::string xref_entry = this->m->file->readLine(30);
std::string xref_entry = m->file->readLine(30);
// For xref_table, these will always be small enough to be ints
qpdf_offset_t f1 = 0;
int f2 = 0;
@ -903,30 +902,30 @@ QPDF::read_xrefTable(qpdf_offset_t xref_offset)
insertXrefEntry(toI(i), 1, f1, f2);
}
}
qpdf_offset_t pos = this->m->file->tell();
qpdf_offset_t pos = m->file->tell();
if (readToken(m->file).isWord("trailer")) {
done = true;
} else {
this->m->file->seek(pos, SEEK_SET);
m->file->seek(pos, SEEK_SET);
}
}
// Set offset to previous xref table if any
QPDFObjectHandle cur_trailer =
readObject(this->m->file, "trailer", QPDFObjGen(), false);
readObject(m->file, "trailer", QPDFObjGen(), false);
if (!cur_trailer.isDictionary()) {
QTC::TC("qpdf", "QPDF missing trailer");
throw damagedPDF("", "expected trailer dictionary");
}
if (!this->m->trailer.isInitialized()) {
if (!m->trailer.isInitialized()) {
setTrailer(cur_trailer);
if (!this->m->trailer.hasKey("/Size")) {
if (!m->trailer.hasKey("/Size")) {
QTC::TC("qpdf", "QPDF trailer lacks size");
throw damagedPDF("trailer", "trailer dictionary lacks /Size key");
}
if (!this->m->trailer.getKey("/Size").isInteger()) {
if (!m->trailer.getKey("/Size").isInteger()) {
QTC::TC("qpdf", "QPDF trailer size not integer");
throw damagedPDF(
"trailer", "/Size key in trailer dictionary is not an integer");
@ -934,7 +933,7 @@ QPDF::read_xrefTable(qpdf_offset_t xref_offset)
}
if (cur_trailer.hasKey("/XRefStm")) {
if (this->m->ignore_xref_streams) {
if (m->ignore_xref_streams) {
QTC::TC("qpdf", "QPDF ignoring XRefStm in trailer");
} else {
if (cur_trailer.getKey("/XRefStm").isInteger()) {
@ -974,7 +973,7 @@ qpdf_offset_t
QPDF::read_xrefStream(qpdf_offset_t xref_offset)
{
bool found = false;
if (!this->m->ignore_xref_streams) {
if (!m->ignore_xref_streams) {
QPDFObjGen x_og;
QPDFObjectHandle xref_obj;
try {
@ -1156,14 +1155,14 @@ QPDF::processXRefStream(qpdf_offset_t xref_offset, QPDFObjectHandle& xref_obj)
if (saw_first_compressed_object) {
if (fields[0] != 2) {
this->m->uncompressed_after_compressed = true;
m->uncompressed_after_compressed = true;
}
} else if (fields[0] == 2) {
saw_first_compressed_object = true;
}
if (obj == 0) {
// This is needed by checkLinearization()
this->m->first_xref_item_offset = xref_offset;
m->first_xref_item_offset = xref_offset;
}
if (fields[0] == 0) {
// Ignore fields[2], which we don't care about in this
@ -1175,7 +1174,7 @@ QPDF::processXRefStream(qpdf_offset_t xref_offset, QPDFObjectHandle& xref_obj)
insertXrefEntry(obj, toI(fields[0]), fields[1], toI(fields[2]));
}
if (!this->m->trailer.isInitialized()) {
if (!m->trailer.isInitialized()) {
setTrailer(dict);
}
@ -1211,16 +1210,16 @@ QPDF::insertXrefEntry(int obj, int f0, qpdf_offset_t f1, int f2, bool overwrite)
{ // private scope
int gen = (f0 == 2 ? 0 : f2);
QPDFObjGen og(obj, gen);
if (this->m->xref_table.count(og)) {
if (m->xref_table.count(og)) {
if (overwrite) {
QTC::TC("qpdf", "QPDF xref overwrite object");
this->m->xref_table.erase(og);
m->xref_table.erase(og);
} else {
QTC::TC("qpdf", "QPDF xref reused object");
return;
}
}
if (this->m->deleted_objects.count(obj)) {
if (m->deleted_objects.count(obj)) {
QTC::TC("qpdf", "QPDF xref deleted object");
return;
}
@ -1228,17 +1227,17 @@ QPDF::insertXrefEntry(int obj, int f0, qpdf_offset_t f1, int f2, bool overwrite)
switch (f0) {
case 0:
this->m->deleted_objects.insert(obj);
m->deleted_objects.insert(obj);
break;
case 1:
// f2 is generation
QTC::TC("qpdf", "QPDF xref gen > 0", ((f2 > 0) ? 1 : 0));
this->m->xref_table[QPDFObjGen(obj, f2)] = QPDFXRefEntry(f1);
m->xref_table[QPDFObjGen(obj, f2)] = QPDFXRefEntry(f1);
break;
case 2:
this->m->xref_table[QPDFObjGen(obj, 0)] = QPDFXRefEntry(toI(f1), f2);
m->xref_table[QPDFObjGen(obj, 0)] = QPDFXRefEntry(toI(f1), f2);
break;
default:
@ -1252,8 +1251,8 @@ QPDF::insertXrefEntry(int obj, int f0, qpdf_offset_t f1, int f2, bool overwrite)
void
QPDF::showXRefTable()
{
auto& cout = *this->m->log->getInfo();
for (auto const& iter: this->m->xref_table) {
auto& cout = *m->log->getInfo();
for (auto const& iter: m->xref_table) {
QPDFObjGen const& og = iter.first;
QPDFXRefEntry const& entry = iter.second;
cout << og.unparse('/') << ": ";
@ -1263,7 +1262,7 @@ QPDF::showXRefTable()
break;
case 2:
*this->m->log->getInfo()
*m->log->getInfo()
<< "compressed; stream = " << entry.getObjStreamNumber()
<< ", index = " << entry.getObjStreamIndex();
break;
@ -1273,7 +1272,7 @@ QPDF::showXRefTable()
" showing xref_table");
break;
}
this->m->log->info("\n");
m->log->info("\n");
}
}
@ -1282,11 +1281,11 @@ QPDF::showXRefTable()
bool
QPDF::resolveXRefTable()
{
bool may_change = !this->m->reconstructed_xref;
for (auto& iter: this->m->xref_table) {
bool may_change = !m->reconstructed_xref;
for (auto& iter: m->xref_table) {
if (isUnresolved(iter.first)) {
resolve(iter.first);
if (may_change && this->m->reconstructed_xref) {
if (may_change && m->reconstructed_xref) {
return false;
}
}
@ -1299,14 +1298,14 @@ QPDF::resolveXRefTable()
void
QPDF::fixDanglingReferences(bool force)
{
if (this->m->fixed_dangling_refs) {
if (m->fixed_dangling_refs) {
return;
}
if (!resolveXRefTable()) {
QTC::TC("qpdf", "QPDF fix dangling triggered xref reconstruction");
resolveXRefTable();
}
this->m->fixed_dangling_refs = true;
m->fixed_dangling_refs = true;
}
size_t
@ -1318,8 +1317,8 @@ QPDF::getObjectCount()
// will also be in obj_cache.
fixDanglingReferences();
QPDFObjGen og;
if (!this->m->obj_cache.empty()) {
og = (*(this->m->obj_cache.rbegin())).first;
if (!m->obj_cache.empty()) {
og = (*(m->obj_cache.rbegin())).first;
}
return toS(og.getObj());
}
@ -1331,7 +1330,7 @@ QPDF::getAllObjects()
// object cache.
fixDanglingReferences();
std::vector<QPDFObjectHandle> result;
for (auto const& iter: this->m->obj_cache) {
for (auto const& iter: m->obj_cache) {
result.push_back(newIndirect(iter.first, iter.second.object));
}
return result;
@ -1341,15 +1340,15 @@ void
QPDF::setLastObjectDescription(
std::string const& description, QPDFObjGen const& og)
{
this->m->last_object_description.clear();
m->last_object_description.clear();
if (!description.empty()) {
this->m->last_object_description += description;
m->last_object_description += description;
if (og.isIndirect()) {
this->m->last_object_description += ": ";
m->last_object_description += ": ";
}
}
if (og.isIndirect()) {
this->m->last_object_description += "object " + og.unparse(' ');
m->last_object_description += "object " + og.unparse(' ');
}
}
@ -1366,7 +1365,7 @@ QPDF::readObject(
bool empty = false;
std::shared_ptr<StringDecrypter> decrypter_ph;
StringDecrypter* decrypter = nullptr;
if (this->m->encp->encrypted && (!in_object_stream)) {
if (m->encp->encrypted && (!in_object_stream)) {
decrypter_ph = std::make_shared<StringDecrypter>(this, og);
decrypter = decrypter_ph.get();
}
@ -1480,7 +1479,7 @@ QPDF::readObject(
input, input->getLastOffset(), "expected endstream");
}
} catch (QPDFExc& e) {
if (this->m->attempt_recovery) {
if (m->attempt_recovery) {
warn(e);
length = recoverStreamLength(input, og, stream_offset);
} else {
@ -1507,7 +1506,7 @@ QPDF::findEndstream()
// Find endstream or endobj. Position the input at that token.
auto t = readToken(m->file, 20);
if (t.isWord("endobj") || t.isWord("endstream")) {
this->m->file->seek(this->m->file->getLastOffset(), SEEK_SET);
m->file->seek(m->file->getLastOffset(), SEEK_SET);
return true;
}
return false;
@ -1526,12 +1525,12 @@ QPDF::recoverStreamLength(
PatternFinder ef(*this, &QPDF::findEndstream);
size_t length = 0;
if (this->m->file->findFirst("end", stream_offset, 0, ef)) {
length = toS(this->m->file->tell() - stream_offset);
if (m->file->findFirst("end", stream_offset, 0, ef)) {
length = toS(m->file->tell() - stream_offset);
// Reread endstream but, if it was endobj, don't skip that.
QPDFTokenizer::Token t = readToken(this->m->file);
QPDFTokenizer::Token t = readToken(m->file);
if (t.getValue() == "endobj") {
this->m->file->seek(this->m->file->getLastOffset(), SEEK_SET);
m->file->seek(m->file->getLastOffset(), SEEK_SET);
}
}
@ -1540,7 +1539,7 @@ QPDF::recoverStreamLength(
QPDFObjGen this_og;
// Make sure this is inside this object
for (auto const& iter: this->m->xref_table) {
for (auto const& iter: m->xref_table) {
QPDFXRefEntry const& entry = iter.second;
if (entry.getType() == 1) {
qpdf_offset_t obj_offset = entry.getOffset();
@ -1580,8 +1579,8 @@ QPDF::recoverStreamLength(
QPDFTokenizer::Token
QPDF::readToken(std::shared_ptr<InputSource> input, size_t max_len)
{
return this->m->tokenizer.readToken(
input, this->m->last_object_description, true, max_len);
return m->tokenizer.readToken(
input, m->last_object_description, true, max_len);
}
QPDFObjectHandle
@ -1608,7 +1607,7 @@ QPDF::readObjectAtOffset(
}
setLastObjectDescription(description, exp_og);
if (!this->m->attempt_recovery) {
if (!m->attempt_recovery) {
try_recovery = false;
}
@ -1623,11 +1622,11 @@ QPDF::readObjectAtOffset(
return QPDFObjectHandle::newNull();
}
this->m->file->seek(offset, SEEK_SET);
m->file->seek(offset, SEEK_SET);
QPDFTokenizer::Token tobjid = readToken(this->m->file);
QPDFTokenizer::Token tgen = readToken(this->m->file);
QPDFTokenizer::Token tobj = readToken(this->m->file);
QPDFTokenizer::Token tobjid = readToken(m->file);
QPDFTokenizer::Token tgen = readToken(m->file);
QPDFTokenizer::Token tobj = readToken(m->file);
bool objidok = tobjid.isInteger();
bool genok = tgen.isInteger();
@ -1666,10 +1665,9 @@ QPDF::readObjectAtOffset(
if (try_recovery) {
// Try again after reconstructing xref table
reconstruct_xref(e);
if (this->m->xref_table.count(exp_og) &&
(this->m->xref_table[exp_og].getType() == 1)) {
qpdf_offset_t new_offset =
this->m->xref_table[exp_og].getOffset();
if (m->xref_table.count(exp_og) &&
(m->xref_table[exp_og].getType() == 1)) {
qpdf_offset_t new_offset = m->xref_table[exp_og].getOffset();
QPDFObjectHandle result = readObjectAtOffset(
false, new_offset, description, exp_og, og, false);
QTC::TC("qpdf", "QPDF recovered in readObjectAtOffset");
@ -1689,9 +1687,9 @@ QPDF::readObjectAtOffset(
}
}
QPDFObjectHandle oh = readObject(this->m->file, description, og, false);
QPDFObjectHandle oh = readObject(m->file, description, og, false);
if (!readToken(this->m->file).isWord("endobj")) {
if (!readToken(m->file).isWord("endobj")) {
QTC::TC("qpdf", "QPDF err expected endobj");
warn(damagedPDF("expected endobj"));
}
@ -1707,22 +1705,22 @@ QPDF::readObjectAtOffset(
// linearization hint tables. Offsets and lengths of objects
// may imply the end of an object to be anywhere between these
// values.
qpdf_offset_t end_before_space = this->m->file->tell();
qpdf_offset_t end_before_space = m->file->tell();
// skip over spaces
while (true) {
char ch;
if (this->m->file->read(&ch, 1)) {
if (m->file->read(&ch, 1)) {
if (!isspace(static_cast<unsigned char>(ch))) {
this->m->file->seek(-1, SEEK_CUR);
m->file->seek(-1, SEEK_CUR);
break;
}
} else {
throw damagedPDF(m->file->tell(), "EOF after endobj");
}
}
qpdf_offset_t end_after_space = this->m->file->tell();
if (skip_cache_if_in_xref && this->m->xref_table.count(og)) {
qpdf_offset_t end_after_space = m->file->tell();
if (skip_cache_if_in_xref && m->xref_table.count(og)) {
// Ordinarily, an object gets read here when resolved
// through xref table or stream. In the special case of
// the xref stream and linearization hint tables, the
@ -1774,7 +1772,7 @@ QPDF::resolve(QPDFObjGen og)
return;
}
if (this->m->resolving.count(og)) {
if (m->resolving.count(og)) {
// This can happen if an object references itself directly or
// indirectly in some key that has to be resolved during
// object parsing, such as stream length.
@ -1787,7 +1785,7 @@ QPDF::resolve(QPDFObjGen og)
ResolveRecorder rr(this, og);
if (m->xref_table.count(og) != 0) {
QPDFXRefEntry const& entry = this->m->xref_table[og];
QPDFXRefEntry const& entry = m->xref_table[og];
try {
switch (entry.getType()) {
case 1:
@ -1828,17 +1826,17 @@ QPDF::resolve(QPDFObjGen og)
updateCache(og, QPDF_Null::create(), -1, -1);
}
auto result(this->m->obj_cache[og].object);
auto result(m->obj_cache[og].object);
result->setDefaultDescription(this, og);
}
void
QPDF::resolveObjectsInStream(int obj_stream_number)
{
if (this->m->resolved_object_streams.count(obj_stream_number)) {
if (m->resolved_object_streams.count(obj_stream_number)) {
return;
}
this->m->resolved_object_streams.insert(obj_stream_number);
m->resolved_object_streams.insert(obj_stream_number);
// Force resolution of object stream
QPDFObjectHandle obj_stream = getObjectByID(obj_stream_number, 0);
if (!obj_stream.isStream()) {
@ -1850,10 +1848,8 @@ QPDF::resolveObjectsInStream(int obj_stream_number)
// For linearization data in the object, use the data from the
// object stream for the objects in the stream.
QPDFObjGen stream_og(obj_stream_number, 0);
qpdf_offset_t end_before_space =
this->m->obj_cache[stream_og].end_before_space;
qpdf_offset_t end_after_space =
this->m->obj_cache[stream_og].end_after_space;
qpdf_offset_t end_before_space = m->obj_cache[stream_og].end_before_space;
qpdf_offset_t end_after_space = m->obj_cache[stream_og].end_after_space;
QPDFObjectHandle dict = obj_stream.getDict();
if (!dict.isDictionaryOfType("/ObjStm")) {
@ -1878,7 +1874,7 @@ QPDF::resolveObjectsInStream(int obj_stream_number)
auto input = std::shared_ptr<InputSource>(
// line-break
new BufferInputSource(
(this->m->file->getName() + " object stream " +
(m->file->getName() + " object stream " +
std::to_string(obj_stream_number)),
bp.get()));
@ -1888,7 +1884,7 @@ QPDF::resolveObjectsInStream(int obj_stream_number)
if (!(tnum.isInteger() && toffset.isInteger())) {
throw damagedPDF(
input,
this->m->last_object_description,
m->last_object_description,
input->getLastOffset(),
"expected integer in object stream header");
}
@ -1905,7 +1901,7 @@ QPDF::resolveObjectsInStream(int obj_stream_number)
// xref table and only cache what would actually be resolved here.
for (auto const& iter: offsets) {
QPDFObjGen og(iter.first, 0);
QPDFXRefEntry const& entry = this->m->xref_table[og];
QPDFXRefEntry const& entry = m->xref_table[og];
if ((entry.getType() == 2) &&
(entry.getObjStreamNumber() == obj_stream_number)) {
int offset = iter.second;
@ -2146,7 +2142,7 @@ QPDF::copyForeignObject(QPDFObjectHandle foreign)
"QPDF::copyForeign called with object from this QPDF");
}
ObjCopier& obj_copier = this->m->object_copiers[other.m->unique_id];
ObjCopier& obj_copier = m->object_copiers[other.m->unique_id];
if (!obj_copier.visiting.empty()) {
throw std::logic_error("obj_copier.visiting is not empty"
" at the beginning of copyForeignObject");
@ -2310,12 +2306,11 @@ QPDF::copyStreamData(QPDFObjectHandle result, QPDFObjectHandle foreign)
QPDFObjectHandle dict = result.getDict();
QPDFObjectHandle old_dict = foreign.getDict();
if (this->m->copied_stream_data_provider == nullptr) {
this->m->copied_stream_data_provider =
new CopiedStreamDataProvider(*this);
this->m->copied_streams =
if (m->copied_stream_data_provider == nullptr) {
m->copied_stream_data_provider = new CopiedStreamDataProvider(*this);
m->copied_streams =
std::shared_ptr<QPDFObjectHandle::StreamDataProvider>(
this->m->copied_stream_data_provider);
m->copied_stream_data_provider);
}
QPDFObjGen local_og(result.getObjGen());
// Copy information from the foreign stream so we can pipe its
@ -2352,10 +2347,10 @@ QPDF::copyStreamData(QPDFObjectHandle result, QPDFObjectHandle foreign)
} else if (stream_provider.get()) {
// In this case, the remote stream's QPDF must stay in scope.
QTC::TC("qpdf", "QPDF copy foreign stream with provider");
this->m->copied_stream_data_provider->registerForeignStream(
m->copied_stream_data_provider->registerForeignStream(
local_og, foreign);
result.replaceStreamData(
this->m->copied_streams,
m->copied_streams,
dict.getKey("/Filter"),
dict.getKey("/DecodeParms"));
} else {
@ -2366,10 +2361,10 @@ QPDF::copyStreamData(QPDFObjectHandle result, QPDFObjectHandle foreign)
stream->getParsedOffset(),
stream->getLength(),
dict);
this->m->copied_stream_data_provider->registerForeignStream(
m->copied_stream_data_provider->registerForeignStream(
local_og, foreign_stream_data);
result.replaceStreamData(
this->m->copied_streams,
m->copied_streams,
dict.getKey("/Filter"),
dict.getKey("/DecodeParms"));
}
@ -2395,13 +2390,13 @@ QPDF::swapObjects(QPDFObjGen const& og1, QPDFObjGen const& og2)
unsigned long long
QPDF::getUniqueId() const
{
return this->m->unique_id;
return m->unique_id;
}
std::string
QPDF::getFilename() const
{
return this->m->file->getName();
return m->file->getName();
}
PDFVersion
@ -2424,7 +2419,7 @@ QPDF::getVersionAsPDFVersion()
std::string
QPDF::getPDFVersion() const
{
return this->m->pdf_version;
return m->pdf_version;
}
int
@ -2450,13 +2445,13 @@ QPDF::getExtensionLevel()
QPDFObjectHandle
QPDF::getTrailer()
{
return this->m->trailer;
return m->trailer;
}
QPDFObjectHandle
QPDF::getRoot()
{
QPDFObjectHandle root = this->m->trailer.getKey("/Root");
QPDFObjectHandle root = m->trailer.getKey("/Root");
if (!root.isDictionary()) {
throw damagedPDF("", 0, "unable to find /Root dictionary");
} else if (
@ -2473,17 +2468,17 @@ QPDF::getRoot()
std::map<QPDFObjGen, QPDFXRefEntry>
QPDF::getXRefTable()
{
if (!this->m->parsed) {
if (!m->parsed) {
throw std::logic_error("QPDF::getXRefTable called before parsing.");
}
return this->m->xref_table;
return m->xref_table;
}
void
QPDF::getObjectStreamData(std::map<int, int>& omap)
{
for (auto const& iter: this->m->xref_table) {
for (auto const& iter: m->xref_table) {
QPDFObjGen const& og = iter.first;
QPDFXRefEntry const& entry = iter.second;
if (entry.getType() == 2) {
@ -2505,12 +2500,12 @@ QPDF::getCompressibleObjGens()
// orphaned items.
// Exclude encryption dictionary, if any
QPDFObjectHandle encryption_dict = this->m->trailer.getKey("/Encrypt");
QPDFObjectHandle encryption_dict = m->trailer.getKey("/Encrypt");
QPDFObjGen encryption_dict_og = encryption_dict.getObjGen();
QPDFObjGen::set visited;
std::list<QPDFObjectHandle> queue;
queue.push_front(this->m->trailer);
queue.push_front(m->trailer);
std::vector<QPDFObjGen> result;
while (!queue.empty()) {
QPDFObjectHandle obj = queue.front();
@ -2647,8 +2642,8 @@ QPDF::pipeStreamData(
bool will_retry)
{
return pipeStreamData(
this->m->encp,
this->m->file,
m->encp,
m->file,
*this,
og,
offset,
@ -2753,13 +2748,13 @@ QPDF::damagedPDF(std::string const& message)
bool
QPDF::everCalledGetAllPages() const
{
return this->m->ever_called_get_all_pages;
return m->ever_called_get_all_pages;
}
bool
QPDF::everPushedInheritedAttributesToPages() const
{
return this->m->ever_pushed_inherited_attributes_to_pages;
return m->ever_pushed_inherited_attributes_to_pages;
}
void

66
libqpdf/QPDFAcroFormDocumentHelper.cc
View File

@ -24,9 +24,9 @@ QPDFAcroFormDocumentHelper::QPDFAcroFormDocumentHelper(QPDF& qpdf) :
void
QPDFAcroFormDocumentHelper::invalidateCache()
{
this->m->cache_valid = false;
this->m->field_to_annotations.clear();
this->m->annotation_to_field.clear();
m->cache_valid = false;
m->field_to_annotations.clear();
m->annotation_to_field.clear();
}
bool
@ -133,21 +133,20 @@ QPDFAcroFormDocumentHelper::removeFormFields(
}
for (auto const& og: to_remove) {
auto annotations = this->m->field_to_annotations.find(og);
if (annotations != this->m->field_to_annotations.end()) {
auto annotations = m->field_to_annotations.find(og);
if (annotations != m->field_to_annotations.end()) {
for (auto aoh: annotations->second) {
this->m->annotation_to_field.erase(
aoh.getObjectHandle().getObjGen());
m->annotation_to_field.erase(aoh.getObjectHandle().getObjGen());
}
this->m->field_to_annotations.erase(og);
m->field_to_annotations.erase(og);
}
auto name = this->m->field_to_name.find(og);
if (name != this->m->field_to_name.end()) {
this->m->name_to_fields[name->second].erase(og);
if (this->m->name_to_fields[name->second].empty()) {
this->m->name_to_fields.erase(name->second);
auto name = m->field_to_name.find(og);
if (name != m->field_to_name.end()) {
m->name_to_fields[name->second].erase(og);
if (m->name_to_fields[name->second].empty()) {
m->name_to_fields.erase(name->second);
}
this->m->field_to_name.erase(og);
m->field_to_name.erase(og);
}
}
@ -177,7 +176,7 @@ QPDFAcroFormDocumentHelper::getFormFields()
{
analyze();
std::vector<QPDFFormFieldObjectHelper> result;
for (auto const& iter: this->m->field_to_annotations) {
for (auto const& iter: m->field_to_annotations) {
result.push_back(this->qpdf.getObject(iter.first));
}
return result;
@ -188,8 +187,8 @@ QPDFAcroFormDocumentHelper::getFieldsWithQualifiedName(std::string const& name)
{
analyze();
// Keep from creating an empty entry
auto iter = this->m->name_to_fields.find(name);
if (iter != this->m->name_to_fields.end()) {
auto iter = m->name_to_fields.find(name);
if (iter != m->name_to_fields.end()) {
return iter->second;
}
return {};
@ -201,8 +200,8 @@ QPDFAcroFormDocumentHelper::getAnnotationsForField(QPDFFormFieldObjectHelper h)
analyze();
std::vector<QPDFAnnotationObjectHelper> result;
QPDFObjGen og(h.getObjectHandle().getObjGen());
if (this->m->field_to_annotations.count(og)) {
result = this->m->field_to_annotations[og];
if (m->field_to_annotations.count(og)) {
result = m->field_to_annotations[og];
}
return result;
}
@ -238,8 +237,8 @@ QPDFAcroFormDocumentHelper::getFieldForAnnotation(QPDFAnnotationObjectHelper h)
}
analyze();
QPDFObjGen og(oh.getObjGen());
if (this->m->annotation_to_field.count(og)) {
result = this->m->annotation_to_field[og];
if (m->annotation_to_field.count(og)) {
result = m->annotation_to_field[og];
}
return result;
}
@ -247,10 +246,10 @@ QPDFAcroFormDocumentHelper::getFieldForAnnotation(QPDFAnnotationObjectHelper h)
void
QPDFAcroFormDocumentHelper::analyze()
{
if (this->m->cache_valid) {
if (m->cache_valid) {
return;
}
this->m->cache_valid = true;
m->cache_valid = true;
QPDFObjectHandle acroform = this->qpdf.getRoot().getKey("/AcroForm");
if (!(acroform.isDictionary() && acroform.hasKey("/Fields"))) {
return;
@ -286,7 +285,7 @@ QPDFAcroFormDocumentHelper::analyze()
for (auto const& iter: getWidgetAnnotationsForPage(ph)) {
QPDFObjectHandle annot(iter.getObjectHandle());
QPDFObjGen og(annot.getObjGen());
if (this->m->annotation_to_field.count(og) == 0) {
if (m->annotation_to_field.count(og) == 0) {
QTC::TC("qpdf", "QPDFAcroFormDocumentHelper orphaned widget");
// This is not supposed to happen, but it's easy
// enough for us to handle this case. Treat the
@ -298,9 +297,8 @@ QPDFAcroFormDocumentHelper::analyze()
annot.warnIfPossible(
"this widget annotation is not"
" reachable from /AcroForm in the document catalog");
this->m->annotation_to_field[og] =
QPDFFormFieldObjectHelper(annot);
this->m->field_to_annotations[og].push_back(
m->annotation_to_field[og] = QPDFFormFieldObjectHelper(annot);
m->field_to_annotations[og].push_back(
QPDFAnnotationObjectHelper(annot));
}
}
@ -376,24 +374,24 @@ QPDFAcroFormDocumentHelper::traverseField(
if (is_annotation) {
QPDFObjectHandle our_field = (is_field ? field : parent);
this->m->field_to_annotations[our_field.getObjGen()].push_back(
m->field_to_annotations[our_field.getObjGen()].push_back(
QPDFAnnotationObjectHelper(field));
this->m->annotation_to_field[og] = QPDFFormFieldObjectHelper(our_field);
m->annotation_to_field[og] = QPDFFormFieldObjectHelper(our_field);
}
if (is_field && (field.hasKey("/T"))) {
QPDFFormFieldObjectHelper foh(field);
auto f_og = field.getObjGen();
std::string name = foh.getFullyQualifiedName();
auto old = this->m->field_to_name.find(f_og);
if (old != this->m->field_to_name.end()) {
auto old = m->field_to_name.find(f_og);
if (old != m->field_to_name.end()) {
// We might be updating after a name change, so remove any
// old information
std::string old_name = old->second;
this->m->name_to_fields[old_name].erase(f_og);
m->name_to_fields[old_name].erase(f_og);
}
this->m->field_to_name[f_og] = name;
this->m->name_to_fields[name].insert(f_og);
m->field_to_name[f_og] = name;
m->name_to_fields[name].insert(f_og);
}
}

275
libqpdf/QPDFArgParser.cc
View File

@ -45,41 +45,41 @@ QPDFArgParser::QPDFArgParser(
void
QPDFArgParser::selectMainOptionTable()
{
this->m->option_table = &this->m->main_option_table;
this->m->option_table_name = "main";
m->option_table = &m->main_option_table;
m->option_table_name = "main";
}
void
QPDFArgParser::selectHelpOptionTable()
{
this->m->option_table = &this->m->help_option_table;
this->m->option_table_name = "help";
m->option_table = &m->help_option_table;
m->option_table_name = "help";
}
void
QPDFArgParser::selectOptionTable(std::string const& name)
{
auto t = this->m->option_tables.find(name);
if (t == this->m->option_tables.end()) {
auto t = m->option_tables.find(name);
if (t == m->option_tables.end()) {
QTC::TC("libtests", "QPDFArgParser select unregistered table");
throw std::logic_error(
"QPDFArgParser: selecting unregistered option table " + name);
}
this->m->option_table = &(t->second);
this->m->option_table_name = name;
m->option_table = &(t->second);
m->option_table_name = name;
}
void
QPDFArgParser::registerOptionTable(
std::string const& name, bare_arg_handler_t end_handler)
{
if (0 != this->m->option_tables.count(name)) {
if (0 != m->option_tables.count(name)) {
QTC::TC("libtests", "QPDFArgParser register registered table");
throw std::logic_error(
"QPDFArgParser: registering already registered option table " +
name);
}
this->m->option_tables[name];
m->option_tables[name];
selectOptionTable(name);
addBare("--", end_handler);
}
@ -87,13 +87,13 @@ QPDFArgParser::registerOptionTable(
QPDFArgParser::OptionEntry&
QPDFArgParser::registerArg(std::string const& arg)
{
if (0 != this->m->option_table->count(arg)) {
if (0 != m->option_table->count(arg)) {
QTC::TC("libtests", "QPDFArgParser duplicate handler");
throw std::logic_error(
"QPDFArgParser: adding a duplicate handler for option " + arg +
" in " + this->m->option_table_name + " option table");
" in " + m->option_table_name + " option table");
}
return ((*this->m->option_table)[arg]);
return ((*m->option_table)[arg]);
}
void
@ -151,8 +151,8 @@ void
QPDFArgParser::addInvalidChoiceHandler(
std::string const& arg, param_arg_handler_t handler)
{
auto i = this->m->option_table->find(arg);
if (i == this->m->option_table->end()) {
auto i = m->option_table->find(arg);
if (i == m->option_table->end()) {
QTC::TC("libtests", "QPDFArgParser invalid choice handler to unknown");
throw std::logic_error(
"QPDFArgParser: attempt to add invalid choice handler"
@ -165,42 +165,42 @@ QPDFArgParser::addInvalidChoiceHandler(
void
QPDFArgParser::addFinalCheck(bare_arg_handler_t handler)
{
this->m->final_check_handler = handler;
m->final_check_handler = handler;
}
bool
QPDFArgParser::isCompleting() const
{
return this->m->bash_completion;
return m->bash_completion;
}
int
QPDFArgParser::argsLeft() const
{
return this->m->argc - this->m->cur_arg - 1;
return m->argc - m->cur_arg - 1;
}
void
QPDFArgParser::insertCompletion(std::string const& arg)
{
this->m->completions.insert(arg);
m->completions.insert(arg);
}
void
QPDFArgParser::completionCommon(bool zsh)
{
std::string progname = this->m->argv[0];
std::string progname = m->argv[0];
std::string executable;
std::string appdir;
std::string appimage;
if (QUtil::get_env(this->m->progname_env.c_str(), &executable)) {
if (QUtil::get_env(m->progname_env.c_str(), &executable)) {
progname = executable;
} else if (
QUtil::get_env("APPDIR", &appdir) &&
QUtil::get_env("APPIMAGE", &appimage)) {
// Detect if we're in an AppImage and adjust
if ((appdir.length() < strlen(this->m->argv[0])) &&
(strncmp(appdir.c_str(), this->m->argv[0], appdir.length()) == 0)) {
if ((appdir.length() < strlen(m->argv[0])) &&
(strncmp(appdir.c_str(), m->argv[0], appdir.length()) == 0)) {
progname = appimage;
}
}
@ -211,12 +211,12 @@ QPDFArgParser::completionCommon(bool zsh)
if (!zsh) {
std::cout << " -o nospace";
}
std::cout << " -C " << progname << " " << this->m->whoami << std::endl;
std::cout << " -C " << progname << " " << m->whoami << std::endl;
// Put output before error so calling from zsh works properly
std::string path = progname;
size_t slash = path.find('/');
if ((slash != 0) && (slash != std::string::npos)) {
std::cerr << "WARNING: " << this->m->whoami << " completion enabled"
std::cerr << "WARNING: " << m->whoami << " completion enabled"
<< " using relative path to executable" << std::endl;
}
}
@ -252,11 +252,11 @@ QPDFArgParser::handleArgFileArguments()
// Support reading arguments from files. Create a new argv. Ensure
// that argv itself as well as all its contents are automatically
// deleted by using shared pointers to back the pointers in argv.
this->m->new_argv.push_back(QUtil::make_shared_cstr(this->m->argv[0]));
for (int i = 1; i < this->m->argc; ++i) {
m->new_argv.push_back(QUtil::make_shared_cstr(m->argv[0]));
for (int i = 1; i < m->argc; ++i) {
char const* argfile = nullptr;
if ((strlen(this->m->argv[i]) > 1) && (this->m->argv[i][0] == '@')) {
argfile = 1 + this->m->argv[i];
if ((strlen(m->argv[i]) > 1) && (m->argv[i][0] == '@')) {
argfile = 1 + m->argv[i];
if (strcmp(argfile, "-") != 0) {
if (!QUtil::file_can_be_opened(argfile)) {
// The file's not there; treating as regular option
@ -265,20 +265,18 @@ QPDFArgParser::handleArgFileArguments()
}
}
if (argfile) {
readArgsFromFile(1 + this->m->argv[i]);
readArgsFromFile(1 + m->argv[i]);
} else {
this->m->new_argv.push_back(
QUtil::make_shared_cstr(this->m->argv[i]));
m->new_argv.push_back(QUtil::make_shared_cstr(m->argv[i]));
}
}
this->m->argv_ph =
QUtil::make_shared_array<char const*>(1 + this->m->new_argv.size());
for (size_t i = 0; i < this->m->new_argv.size(); ++i) {
this->m->argv_ph.get()[i] = this->m->new_argv.at(i).get();
m->argv_ph = QUtil::make_shared_array<char const*>(1 + m->new_argv.size());
for (size_t i = 0; i < m->new_argv.size(); ++i) {
m->argv_ph.get()[i] = m->new_argv.at(i).get();
}
this->m->argc = QIntC::to_int(this->m->new_argv.size());
this->m->argv_ph.get()[this->m->argc] = nullptr;
this->m->argv = this->m->argv_ph.get();
m->argc = QIntC::to_int(m->new_argv.size());
m->argv_ph.get()[m->argc] = nullptr;
m->argv = m->argv_ph.get();
}
void
@ -288,14 +286,14 @@ QPDFArgParser::handleBashArguments()
// doesn't do everything the shell does (e.g. $(...), variable
// expansion, arithmetic, globs, etc.), but it should be good
// enough for purposes of handling completion. As we build up the
// new argv, we can't use this->m->new_argv because this code has to
// new argv, we can't use m->new_argv because this code has to
// interoperate with @file arguments, so memory for both ways of
// fabricating argv has to be protected.
bool last_was_backslash = false;
enum { st_top, st_squote, st_dquote } state = st_top;
std::string arg;
for (char ch: this->m->bash_line) {
for (char ch: m->bash_line) {
if (last_was_backslash) {
arg.append(1, ch);
last_was_backslash = false;
@ -307,8 +305,7 @@ QPDFArgParser::handleBashArguments()
case st_top:
if (QUtil::is_space(ch)) {
if (!arg.empty()) {
this->m->bash_argv.push_back(
QUtil::make_shared_cstr(arg));
m->bash_argv.push_back(QUtil::make_shared_cstr(arg));
arg.clear();
}
} else if (ch == '"') {
@ -341,27 +338,27 @@ QPDFArgParser::handleBashArguments()
}
}
}
if (this->m->bash_argv.empty()) {
if (m->bash_argv.empty()) {
// This can't happen if properly invoked by bash, but ensure
// we have a valid argv[0] regardless.
this->m->bash_argv.push_back(QUtil::make_shared_cstr(this->m->argv[0]));
m->bash_argv.push_back(QUtil::make_shared_cstr(m->argv[0]));
}
// Explicitly discard any non-space-terminated word. The "current
// word" is handled specially.
this->m->bash_argv_ph =
QUtil::make_shared_array<char const*>(1 + this->m->bash_argv.size());
for (size_t i = 0; i < this->m->bash_argv.size(); ++i) {
this->m->bash_argv_ph.get()[i] = this->m->bash_argv.at(i).get();
m->bash_argv_ph =
QUtil::make_shared_array<char const*>(1 + m->bash_argv.size());
for (size_t i = 0; i < m->bash_argv.size(); ++i) {
m->bash_argv_ph.get()[i] = m->bash_argv.at(i).get();
}
this->m->argc = QIntC::to_int(this->m->bash_argv.size());
this->m->bash_argv_ph.get()[this->m->argc] = nullptr;
this->m->argv = this->m->bash_argv_ph.get();
m->argc = QIntC::to_int(m->bash_argv.size());
m->bash_argv_ph.get()[m->argc] = nullptr;
m->argv = m->bash_argv_ph.get();
}
void
QPDFArgParser::usage(std::string const& message)
{
if (this->m->bash_completion) {
if (m->bash_completion) {
// This will cause bash to fall back to regular file completion.
exit(0);
}
@ -380,7 +377,7 @@ QPDFArgParser::readArgsFromFile(std::string const& filename)
lines = QUtil::read_lines_from_file(filename.c_str());
}
for (auto const& line: lines) {
this->m->new_argv.push_back(QUtil::make_shared_cstr(line));
m->new_argv.push_back(QUtil::make_shared_cstr(line));
}
}
@ -395,17 +392,17 @@ QPDFArgParser::checkCompletion()
// which bash doesn't set COMP_LINE. Therefore, enter this logic
// if either COMP_LINE or COMP_POINT are set. They will both be
// set together under ordinary circumstances.
bool got_line = QUtil::get_env("COMP_LINE", &this->m->bash_line);
bool got_line = QUtil::get_env("COMP_LINE", &m->bash_line);
bool got_point = QUtil::get_env("COMP_POINT", &bash_point_env);
if (got_line || got_point) {
size_t p = QUtil::string_to_uint(bash_point_env.c_str());
if (p < this->m->bash_line.length()) {
if (p < m->bash_line.length()) {
// Truncate the line. We ignore everything at or after the
// cursor for completion purposes.
this->m->bash_line = this->m->bash_line.substr(0, p);
m->bash_line = m->bash_line.substr(0, p);
}
if (p > this->m->bash_line.length()) {
p = this->m->bash_line.length();
if (p > m->bash_line.length()) {
p = m->bash_line.length();
}
// Set bash_cur and bash_prev based on bash_line rather than
// relying on argv. This enables us to use bashcompinit to get
@ -419,46 +416,44 @@ QPDFArgParser::checkCompletion()
char sep(0);
while (p > 0) {
--p;
char ch = this->m->bash_line.at(p);
char ch = m->bash_line.at(p);
if ((ch == ' ') || (ch == '=') || (ch == ':')) {
sep = ch;
break;
}
}
if (1 + p <= this->m->bash_line.length()) {
this->m->bash_cur =
this->m->bash_line.substr(1 + p, std::string::npos);
if (1 + p <= m->bash_line.length()) {
m->bash_cur = m->bash_line.substr(1 + p, std::string::npos);
}
if ((sep == ':') || (sep == '=')) {
// Bash sets prev to the non-space separator if any.
// Actually, if there are multiple separators in a row,
// they are all included in prev, but that detail is not
// important to us and not worth coding.
this->m->bash_prev = this->m->bash_line.substr(p, 1);
m->bash_prev = m->bash_line.substr(p, 1);
} else {
// Go back to the last separator and set prev based on
// that.
size_t p1 = p;
while (p1 > 0) {
--p1;
char ch = this->m->bash_line.at(p1);
char ch = m->bash_line.at(p1);
if ((ch == ' ') || (ch == ':') || (ch == '=')) {
this->m->bash_prev =
this->m->bash_line.substr(p1 + 1, p - p1 - 1);
m->bash_prev = m->bash_line.substr(p1 + 1, p - p1 - 1);
break;
}
}
}
if (this->m->bash_prev.empty()) {
this->m->bash_prev = this->m->bash_line.substr(0, p);
if (m->bash_prev.empty()) {
m->bash_prev = m->bash_line.substr(0, p);
}
if (this->m->argc == 1) {
if (m->argc == 1) {
// This is probably zsh using bashcompinit. There are a
// few differences in the expected output.
this->m->zsh_completion = true;
m->zsh_completion = true;
}
handleBashArguments();
this->m->bash_completion = true;
m->bash_completion = true;
}
}
@ -468,12 +463,11 @@ QPDFArgParser::parseArgs()
selectMainOptionTable();
checkCompletion();
handleArgFileArguments();
for (this->m->cur_arg = 1; this->m->cur_arg < this->m->argc;
++this->m->cur_arg) {
for (m->cur_arg = 1; m->cur_arg < m->argc; ++m->cur_arg) {
bool help_option = false;
bool end_option = false;
auto oep = this->m->option_table->end();
char const* arg = this->m->argv[this->m->cur_arg];
auto oep = m->option_table->end();
char const* arg = m->argv[m->cur_arg];
std::string parameter;
bool have_parameter = false;
std::string o_arg(arg);
@ -481,9 +475,9 @@ QPDFArgParser::parseArgs()
if (strcmp(arg, "--") == 0) {
// Special case for -- option, which is used to break out
// of subparsers.
oep = this->m->option_table->find("--");
oep = m->option_table->find("--");
end_option = true;
if (oep == this->m->option_table->end()) {
if (oep == m->option_table->end()) {
// This is registered automatically, so this can't happen.
throw std::logic_error(
"QPDFArgParser: -- handler not registered");
@ -513,32 +507,31 @@ QPDFArgParser::parseArgs()
arg_s = arg_s.substr(0, equal_pos);
}
if ((!this->m->bash_completion) && (this->m->argc == 2) &&
(this->m->cur_arg == 1) &&
this->m->help_option_table.count(arg_s)) {
if ((!m->bash_completion) && (m->argc == 2) && (m->cur_arg == 1) &&
m->help_option_table.count(arg_s)) {
// Handle help option, which is only valid as the sole
// option.
QTC::TC("libtests", "QPDFArgParser help option");
oep = this->m->help_option_table.find(arg_s);
oep = m->help_option_table.find(arg_s);
help_option = true;
}
if (!(help_option || arg_s.empty() || (arg_s.at(0) == '-'))) {
oep = this->m->option_table->find(arg_s);
oep = m->option_table->find(arg_s);
}
} else {
// The empty string maps to the positional argument
// handler.
QTC::TC("libtests", "QPDFArgParser positional");
oep = this->m->option_table->find("");
oep = m->option_table->find("");
parameter = arg;
}
if (oep == this->m->option_table->end()) {
if (oep == m->option_table->end()) {
QTC::TC("libtests", "QPDFArgParser unrecognized");
std::string message = "unrecognized argument " + o_arg;
if (this->m->option_table != &this->m->main_option_table) {
message += " (" + this->m->option_table_name +
if (m->option_table != &m->main_option_table) {
message += " (" + m->option_table_name +
" options must be terminated with --)";
}
usage(message);
@ -589,7 +582,7 @@ QPDFArgParser::parseArgs()
selectMainOptionTable();
}
}
if (this->m->bash_completion) {
if (m->bash_completion) {
handleCompletion();
} else {
doFinalChecks();
@ -599,19 +592,18 @@ QPDFArgParser::parseArgs()
std::string
QPDFArgParser::getProgname()
{
return this->m->whoami;
return m->whoami;
}
void
QPDFArgParser::doFinalChecks()
{
if (this->m->option_table != &(this->m->main_option_table)) {
if (m->option_table != &(m->main_option_table)) {
QTC::TC("libtests", "QPDFArgParser missing --");
usage(
"missing -- at end of " + this->m->option_table_name + " options");
usage("missing -- at end of " + m->option_table_name + " options");
}
if (this->m->final_check_handler != nullptr) {
this->m->final_check_handler();
if (m->final_check_handler != nullptr) {
m->final_check_handler();
}
}
@ -625,7 +617,7 @@ QPDFArgParser::addChoicesToCompletions(
OptionEntry& oe = option_table[option];
for (auto const& choice: oe.choices) {
QTC::TC("libtests", "QPDFArgParser complete choices");
this->m->completions.insert(extra_prefix + choice);
m->completions.insert(extra_prefix + choice);
}
}
}
@ -641,15 +633,15 @@ QPDFArgParser::addOptionsToCompletions(option_table_t& option_table)
OptionEntry& oe = iter.second;
std::string base = "--" + arg;
if (oe.param_arg_handler) {
if (this->m->zsh_completion) {
if (m->zsh_completion) {
// zsh doesn't treat = as a word separator, so add all
// the options so we don't get a space after the =.
addChoicesToCompletions(option_table, arg, base + "=");
}
this->m->completions.insert(base + "=");
m->completions.insert(base + "=");
}
if (!oe.parameter_needed) {
this->m->completions.insert(base);
m->completions.insert(base);
}
}
}
@ -662,8 +654,7 @@ QPDFArgParser::insertCompletions(
{
if (!choice_option.empty()) {
addChoicesToCompletions(option_table, choice_option, extra_prefix);
} else if (
(!this->m->bash_cur.empty()) && (this->m->bash_cur.at(0) == '-')) {
} else if ((!m->bash_cur.empty()) && (m->bash_cur.at(0) == '-')) {
addOptionsToCompletions(option_table);
}
}
@ -672,26 +663,24 @@ void
QPDFArgParser::handleCompletion()
{
std::string extra_prefix;
if (this->m->completions.empty()) {
if (m->completions.empty()) {
// Detect --option=... Bash treats the = as a word separator.
std::string choice_option;
if (this->m->bash_cur.empty() && (this->m->bash_prev.length() > 2) &&
(this->m->bash_prev.at(0) == '-') &&
(this->m->bash_prev.at(1) == '-') &&
(this->m->bash_line.at(this->m->bash_line.length() - 1) == '=')) {
choice_option = this->m->bash_prev.substr(2, std::string::npos);
if (m->bash_cur.empty() && (m->bash_prev.length() > 2) &&
(m->bash_prev.at(0) == '-') && (m->bash_prev.at(1) == '-') &&
(m->bash_line.at(m->bash_line.length() - 1) == '=')) {
choice_option = m->bash_prev.substr(2, std::string::npos);
} else if (
(this->m->bash_prev == "=") &&
(this->m->bash_line.length() > (this->m->bash_cur.length() + 1))) {
(m->bash_prev == "=") &&
(m->bash_line.length() > (m->bash_cur.length() + 1))) {
// We're sitting at --option=x. Find previous option.
size_t end_mark =
this->m->bash_line.length() - this->m->bash_cur.length() - 1;
char before_cur = this->m->bash_line.at(end_mark);
size_t end_mark = m->bash_line.length() - m->bash_cur.length() - 1;
char before_cur = m->bash_line.at(end_mark);
if (before_cur == '=') {
size_t space = this->m->bash_line.find_last_of(' ', end_mark);
size_t space = m->bash_line.find_last_of(' ', end_mark);
if (space != std::string::npos) {
std::string candidate = this->m->bash_line.substr(
space + 1, end_mark - space - 1);
std::string candidate =
m->bash_line.substr(space + 1, end_mark - space - 1);
if ((candidate.length() > 2) && (candidate.at(0) == '-') &&
(candidate.at(1) == '-')) {
choice_option = candidate.substr(2, std::string::npos);
@ -699,19 +688,19 @@ QPDFArgParser::handleCompletion()
}
}
}
if (this->m->zsh_completion && (!choice_option.empty())) {
if (m->zsh_completion && (!choice_option.empty())) {
// zsh wants --option=choice rather than just choice
extra_prefix = "--" + choice_option + "=";
}
insertCompletions(*this->m->option_table, choice_option, extra_prefix);
if (this->m->argc == 1) {
insertCompletions(*m->option_table, choice_option, extra_prefix);
if (m->argc == 1) {
// Help options are valid only by themselves.
insertCompletions(
this->m->help_option_table, choice_option, extra_prefix);
m->help_option_table, choice_option, extra_prefix);
}
}
std::string prefix = extra_prefix + this->m->bash_cur;
for (auto const& iter: this->m->completions) {
std::string prefix = extra_prefix + m->bash_cur;
for (auto const& iter: m->completions) {
if (prefix.empty() || (iter.substr(0, prefix.length()) == prefix)) {
std::cout << iter << std::endl;
}
@ -722,7 +711,7 @@ QPDFArgParser::handleCompletion()
void
QPDFArgParser::addHelpFooter(std::string const& text)
{
this->m->help_footer = "\n" + text;
m->help_footer = "\n" + text;
}
void
@ -741,14 +730,14 @@ QPDFArgParser::addHelpTopic(
throw std::logic_error(
"QPDFArgParser: help topics must not start with -");
}
if (this->m->help_topics.count(topic)) {
if (m->help_topics.count(topic)) {
QTC::TC("libtests", "QPDFArgParser add existing topic");
throw std::logic_error(
"QPDFArgParser: topic " + topic + " has already been added");
}
this->m->help_topics[topic] = HelpTopic(short_text, long_text);
this->m->help_option_table["help"].choices.insert(topic);
m->help_topics[topic] = HelpTopic(short_text, long_text);
m->help_option_table["help"].choices.insert(topic);
}
void
@ -764,35 +753,35 @@ QPDFArgParser::addOptionHelp(
throw std::logic_error(
"QPDFArgParser: options for help must start with --");
}
if (this->m->option_help.count(option_name)) {
if (m->option_help.count(option_name)) {
QTC::TC("libtests", "QPDFArgParser duplicate option help");
throw std::logic_error(
"QPDFArgParser: option " + option_name + " already has help");
}
auto ht = this->m->help_topics.find(topic);
if (ht == this->m->help_topics.end()) {
auto ht = m->help_topics.find(topic);
if (ht == m->help_topics.end()) {
QTC::TC("libtests", "QPDFArgParser add to unknown topic");
throw std::logic_error(
"QPDFArgParser: unable to add option " + option_name +
" to unknown help topic " + topic);
}
this->m->option_help[option_name] = HelpTopic(short_text, long_text);
m->option_help[option_name] = HelpTopic(short_text, long_text);
ht->second.options.insert(option_name);
this->m->help_option_table["help"].choices.insert(option_name);
m->help_option_table["help"].choices.insert(option_name);
}
void
QPDFArgParser::getTopHelp(std::ostringstream& msg)
{
msg << "Run \"" << this->m->whoami << " --help=topic\" for help on a topic."
msg << "Run \"" << m->whoami << " --help=topic\" for help on a topic."
<< std::endl
<< "Run \"" << m->whoami << " --help=--option\" for help on an option."
<< std::endl
<< "Run \"" << m->whoami << " --help=all\" to see all available help."
<< std::endl
<< "Run \"" << this->m->whoami
<< " --help=--option\" for help on an option." << std::endl
<< "Run \"" << this->m->whoami
<< " --help=all\" to see all available help." << std::endl
<< std::endl
<< "Topics:" << std::endl;
for (auto const& i: this->m->help_topics) {
for (auto const& i: m->help_topics) {
msg << " " << i.first << ": " << i.second.short_text << std::endl;
}
}
@ -811,8 +800,8 @@ QPDFArgParser::getAllHelp(std::ostringstream& msg)
getTopicHelp(topic, i.second, msg);
}
};
show(this->m->help_topics);
show(this->m->option_help);
show(m->help_topics);
show(m->option_help);
msg << std::endl << "====" << std::endl;
}
@ -828,7 +817,7 @@ QPDFArgParser::getTopicHelp(
if (!ht.options.empty()) {
msg << std::endl << "Related options:" << std::endl;
for (auto const& i: ht.options) {
msg << " " << i << ": " << this->m->option_help[i].short_text
msg << " " << i << ": " << m->option_help[i].short_text
<< std::endl;
}
}
@ -843,15 +832,15 @@ QPDFArgParser::getHelp(std::string const& arg)
} else {
if (arg == "all") {
getAllHelp(msg);
} else if (this->m->option_help.count(arg)) {
getTopicHelp(arg, this->m->option_help[arg], msg);
} else if (this->m->help_topics.count(arg)) {
getTopicHelp(arg, this->m->help_topics[arg], msg);
} else if (m->option_help.count(arg)) {
getTopicHelp(arg, m->option_help[arg], msg);
} else if (m->help_topics.count(arg)) {
getTopicHelp(arg, m->help_topics[arg], msg);
} else {
// should not be possible
getTopHelp(msg);
}
}
msg << this->m->help_footer;
msg << m->help_footer;
return msg.str();
}

12
libqpdf/QPDFCryptoProvider.cc
View File

@ -73,32 +73,32 @@ QPDFCryptoProvider::getInstance()
std::shared_ptr<QPDFCryptoImpl>
QPDFCryptoProvider::getImpl_internal(std::string const& name) const
{
auto iter = this->m->providers.find(name);
if (iter == this->m->providers.end()) {
auto iter = m->providers.find(name);
if (iter == m->providers.end()) {
throw std::logic_error(
"QPDFCryptoProvider requested unknown implementation \"" + name +
"\"");
}
return this->m->providers[name]();
return m->providers[name]();
}
template <typename T>
void
QPDFCryptoProvider::registerImpl_internal(std::string const& name)
{
this->m->providers[name] = std::make_shared<T>;
m->providers[name] = std::make_shared<T>;
}
void
QPDFCryptoProvider::setDefaultProvider_internal(std::string const& name)
{
if (!this->m->providers.count(name)) {
if (!m->providers.count(name)) {
throw std::logic_error(
"QPDFCryptoProvider: request to set default"
" provider to unknown implementation \"" +
name + "\"");
}
this->m->default_provider = name;
m->default_provider = name;
}
std::set<std::string>

26
libqpdf/QPDFEmbeddedFileDocumentHelper.cc
View File

@ -40,9 +40,8 @@ QPDFEmbeddedFileDocumentHelper::QPDFEmbeddedFileDocumentHelper(QPDF& qpdf) :
if (names.isDictionary()) {
auto embedded_files = names.getKey("/EmbeddedFiles");
if (embedded_files.isDictionary()) {
this->m->embedded_files =
std::make_shared<QPDFNameTreeObjectHelper>(
embedded_files, qpdf);
m->embedded_files = std::make_shared<QPDFNameTreeObjectHelper>(
embedded_files, qpdf);
}
}
}
@ -50,7 +49,7 @@ QPDFEmbeddedFileDocumentHelper::QPDFEmbeddedFileDocumentHelper(QPDF& qpdf) :
bool
QPDFEmbeddedFileDocumentHelper::hasEmbeddedFiles() const
{
return (this->m->embedded_files != nullptr);
return (m->embedded_files != nullptr);
}
void
@ -69,8 +68,7 @@ QPDFEmbeddedFileDocumentHelper::initEmbeddedFiles()
if (!embedded_files.isDictionary()) {
auto nth = QPDFNameTreeObjectHelper::newEmpty(this->qpdf);
names.replaceKey("/EmbeddedFiles", nth.getObjectHandle());
this->m->embedded_files =
std::make_shared<QPDFNameTreeObjectHelper>(nth);
m->embedded_files = std::make_shared<QPDFNameTreeObjectHelper>(nth);
}
}
@ -78,9 +76,9 @@ std::shared_ptr<QPDFFileSpecObjectHelper>
QPDFEmbeddedFileDocumentHelper::getEmbeddedFile(std::string const& name)
{
std::shared_ptr<QPDFFileSpecObjectHelper> result;
if (this->m->embedded_files) {
auto i = this->m->embedded_files->find(name);
if (i != this->m->embedded_files->end()) {
if (m->embedded_files) {
auto i = m->embedded_files->find(name);
if (i != m->embedded_files->end()) {
result = std::make_shared<QPDFFileSpecObjectHelper>(i->second);
}
}
@ -91,8 +89,8 @@ std::map<std::string, std::shared_ptr<QPDFFileSpecObjectHelper>>
QPDFEmbeddedFileDocumentHelper::getEmbeddedFiles()
{
std::map<std::string, std::shared_ptr<QPDFFileSpecObjectHelper>> result;
if (this->m->embedded_files) {
for (auto const& i: *(this->m->embedded_files)) {
if (m->embedded_files) {
for (auto const& i: *(m->embedded_files)) {
result[i.first] =
std::make_shared<QPDFFileSpecObjectHelper>(i.second);
}
@ -105,7 +103,7 @@ QPDFEmbeddedFileDocumentHelper::replaceEmbeddedFile(
std::string const& name, QPDFFileSpecObjectHelper const& fs)
{
initEmbeddedFiles();
this->m->embedded_files->insert(name, fs.getObjectHandle());
m->embedded_files->insert(name, fs.getObjectHandle());
}
bool
@ -114,8 +112,8 @@ QPDFEmbeddedFileDocumentHelper::removeEmbeddedFile(std::string const& name)
if (!hasEmbeddedFiles()) {
return false;
}
auto iter = this->m->embedded_files->find(name);
if (iter == this->m->embedded_files->end()) {
auto iter = m->embedded_files->find(name);
if (iter == m->embedded_files->end()) {
return false;
}
auto oh = iter->second;

265
libqpdf/QPDFJob.cc
View File

@ -323,46 +323,46 @@ QPDFJob::usage(std::string const& msg)
void
QPDFJob::setMessagePrefix(std::string const& message_prefix)
{
this->m->message_prefix = message_prefix;
m->message_prefix = message_prefix;
}
std::string
QPDFJob::getMessagePrefix() const
{
return this->m->message_prefix;
return m->message_prefix;
}
std::shared_ptr<QPDFLogger>
QPDFJob::getLogger()
{
return this->m->log;
return m->log;
}
void
QPDFJob::setLogger(std::shared_ptr<QPDFLogger> l)
{
this->m->log = l;
m->log = l;
}
void
QPDFJob::setOutputStreams(std::ostream* out, std::ostream* err)
{
setLogger(QPDFLogger::create());
this->m->log->setOutputStreams(out, err);
m->log->setOutputStreams(out, err);
}
void
QPDFJob::registerProgressReporter(std::function<void(int)> handler)
{
this->m->progress_handler = handler;
m->progress_handler = handler;
}
void
QPDFJob::doIfVerbose(
std::function<void(Pipeline&, std::string const& prefix)> fn)
{
if (this->m->verbose) {
fn(*this->m->log->getInfo(), this->m->message_prefix);
if (m->verbose) {
fn(*m->log->getInfo(), m->message_prefix);
}
}
@ -459,12 +459,12 @@ QPDFJob::createQPDF()
// Allow certain operations to work when an incorrect
// password is supplied.
if (m->check_is_encrypted || m->check_requires_password) {
this->m->encryption_status =
m->encryption_status =
qpdf_es_encrypted | qpdf_es_password_incorrect;
return nullptr;
}
if (m->show_encryption && pdf_sp) {
this->m->log->info("Incorrect password supplied\n");
m->log->info("Incorrect password supplied\n");
showEncryption(*pdf_sp);
return nullptr;
}
@ -473,7 +473,7 @@ QPDFJob::createQPDF()
}
QPDF& pdf = *pdf_sp;
if (pdf.isEncrypted()) {
this->m->encryption_status = qpdf_es_encrypted;
m->encryption_status = qpdf_es_encrypted;
}
if (m->check_is_encrypted || m->check_requires_password) {
@ -482,8 +482,8 @@ QPDFJob::createQPDF()
// If we are updating from JSON, this has to be done first before
// other options may cause transformations to the input.
if (!this->m->update_from_json.empty()) {
pdf.updateFromJSON(this->m->update_from_json);
if (!m->update_from_json.empty()) {
pdf.updateFromJSON(m->update_from_json);
}
std::vector<std::unique_ptr<QPDF>> page_heap;
@ -509,17 +509,16 @@ QPDFJob::writeQPDF(QPDF& pdf)
writeOutfile(pdf);
}
if (!pdf.getWarnings().empty()) {
this->m->warnings = true;
m->warnings = true;
}
if (this->m->warnings && (!this->m->suppress_warnings)) {
if (m->warnings && (!m->suppress_warnings)) {
if (createsOutput()) {
*this->m->log->getWarn()
<< this->m->message_prefix
<< ": operation succeeded with warnings;"
*m->log->getWarn()
<< m->message_prefix << ": operation succeeded with warnings;"
<< " resulting file may have some problems\n";
} else {
*this->m->log->getWarn() << this->m->message_prefix
<< ": operation succeeded with warnings\n";
*m->log->getWarn()
<< m->message_prefix << ": operation succeeded with warnings\n";
}
}
if (m->report_mem_usage) {
@ -527,8 +526,7 @@ QPDFJob::writeQPDF(QPDF& pdf)
// debugging, it's easier if print statements from
// get_max_memory_usage are not interleaved with the output.
auto mem_usage = QUtil::get_max_memory_usage();
*this->m->log->getWarn()
<< "qpdf-max-memory-usage " << mem_usage << "\n";
*m->log->getWarn() << "qpdf-max-memory-usage " << mem_usage << "\n";
}
}
@ -544,7 +542,7 @@ QPDFJob::run()
bool
QPDFJob::hasWarnings() const
{
return this->m->warnings;
return m->warnings;
}
bool
@ -556,17 +554,17 @@ QPDFJob::createsOutput() const
int
QPDFJob::getExitCode() const
{
if (this->m->check_is_encrypted) {
if (this->m->encryption_status & qpdf_es_encrypted) {
if (m->check_is_encrypted) {
if (m->encryption_status & qpdf_es_encrypted) {
QTC::TC("qpdf", "QPDFJob check encrypted encrypted");
return 0;
} else {
QTC::TC("qpdf", "QPDFJob check encrypted not encrypted");
return EXIT_IS_NOT_ENCRYPTED;
}
} else if (this->m->check_requires_password) {
if (this->m->encryption_status & qpdf_es_encrypted) {
if (this->m->encryption_status & qpdf_es_password_incorrect) {
} else if (m->check_requires_password) {
if (m->encryption_status & qpdf_es_encrypted) {
if (m->encryption_status & qpdf_es_password_incorrect) {
QTC::TC("qpdf", "QPDFJob check password password incorrect");
return 0;
} else {
@ -579,7 +577,7 @@ QPDFJob::getExitCode() const
}
}
if (this->m->warnings && (!this->m->warnings_exit_zero)) {
if (m->warnings && (!m->warnings_exit_zero)) {
return EXIT_WARNING;
}
return 0;
@ -656,7 +654,7 @@ QPDFJob::checkConfiguration()
save_to_stdout = true;
}
if (save_to_stdout) {
this->m->log->saveToStandardOutput(true);
m->log->saveToStandardOutput(true);
}
if ((!m->split_pages) &&
QUtil::same_file(m->infilename.get(), m->outfilename.get())) {
@ -681,13 +679,13 @@ QPDFJob::checkConfiguration()
unsigned long
QPDFJob::getEncryptionStatus()
{
return this->m->encryption_status;
return m->encryption_status;
}
void
QPDFJob::setQPDFOptions(QPDF& pdf)
{
pdf.setLogger(this->m->log);
pdf.setLogger(m->log);
if (m->ignore_xref_streams) {
pdf.setIgnoreXRefStreams(true);
}
@ -743,7 +741,7 @@ QPDFJob::showEncryption(QPDF& pdf)
QPDF::encryption_method_e stream_method = QPDF::e_unknown;
QPDF::encryption_method_e string_method = QPDF::e_unknown;
QPDF::encryption_method_e file_method = QPDF::e_unknown;
auto& cout = *this->m->log->getInfo();
auto& cout = *m->log->getInfo();
if (!pdf.isEncrypted(R, P, V, stream_method, string_method, file_method)) {
cout << "File is not encrypted\n";
} else {
@ -796,7 +794,7 @@ QPDFJob::doCheck(QPDF& pdf)
// continue to perform additional checks after finding
// errors.
bool okay = true;
auto& cout = *this->m->log->getInfo();
auto& cout = *m->log->getInfo();
cout << "checking " << m->infilename.get() << "\n";
QPDF::JobSetter::setCheckMode(pdf, true);
try {
@ -832,12 +830,12 @@ QPDFJob::doCheck(QPDF& pdf)
page.parseContents(&discard_contents);
} catch (QPDFExc& e) {
okay = false;
*this->m->log->getError()
*m->log->getError()
<< "ERROR: page " << pageno << ": " << e.what() << "\n";
}
}
} catch (std::exception& e) {
*this->m->log->getError() << "ERROR: " << e.what() << "\n";
*m->log->getError() << "ERROR: " << e.what() << "\n";
okay = false;
}
if (!okay) {
@ -845,11 +843,11 @@ QPDFJob::doCheck(QPDF& pdf)
}
if (!pdf.getWarnings().empty()) {
this->m->warnings = true;
m->warnings = true;
} else {
*this->m->log->getInfo() << "No syntax or stream encoding errors"
<< " found; the file may still contain\n"
<< "errors that qpdf cannot detect\n";
*m->log->getInfo() << "No syntax or stream encoding errors"
<< " found; the file may still contain\n"
<< "errors that qpdf cannot detect\n";
}
}
@ -873,18 +871,18 @@ QPDFJob::doShowObj(QPDF& pdf)
} else {
// If anything has been written to standard output,
// this will fail.
this->m->log->saveToStandardOutput(true);
m->log->saveToStandardOutput(true);
obj.pipeStreamData(
this->m->log->getSave().get(),
m->log->getSave().get(),
(filter && m->normalize) ? qpdf_ef_normalize : 0,
filter ? qpdf_dl_all : qpdf_dl_none);
}
} else {
*this->m->log->getInfo() << "Object is stream. Dictionary:\n"
<< obj.getDict().unparseResolved() << "\n";
*m->log->getInfo() << "Object is stream. Dictionary:\n"
<< obj.getDict().unparseResolved() << "\n";
}
} else {
*this->m->log->getInfo() << obj.unparseResolved() << "\n";
*m->log->getInfo() << obj.unparseResolved() << "\n";
}
if (error) {
throw std::runtime_error(
@ -896,7 +894,7 @@ void
QPDFJob::doShowPages(QPDF& pdf)
{
int pageno = 0;
auto& cout = *this->m->log->getInfo();
auto& cout = *m->log->getInfo();
for (auto& ph: QPDFPageDocumentHelper(pdf).getAllPages()) {
QPDFObjectHandle page = ph.getObjectHandle();
++pageno;
@ -934,7 +932,7 @@ QPDFJob::doListAttachments(QPDF& pdf)
for (auto const& i: efdh.getEmbeddedFiles()) {
std::string const& key = i.first;
auto efoh = i.second;
*this->m->log->getInfo()
*m->log->getInfo()
<< key << " -> "
<< efoh->getEmbeddedFileStream().getObjGen().unparse(',')
<< "\n";
@ -963,8 +961,7 @@ QPDFJob::doListAttachments(QPDF& pdf)
});
}
} else {
*this->m->log->getInfo()
<< m->infilename.get() << " has no embedded files\n";
*m->log->getInfo() << m->infilename.get() << " has no embedded files\n";
}
}
@ -980,8 +977,8 @@ QPDFJob::doShowAttachment(QPDF& pdf)
auto efs = fs->getEmbeddedFileStream();
// saveToStandardOutput has already been called, but it's harmless
// to call it again, so do as defensive coding.
this->m->log->saveToStandardOutput(true);
efs.pipeStreamData(this->m->log->getSave().get(), 0, qpdf_dl_all);
m->log->saveToStandardOutput(true);
efs.pipeStreamData(m->log->getSave().get(), 0, qpdf_dl_all);
}
void
@ -1019,17 +1016,16 @@ void
QPDFJob::doJSONObject(
Pipeline* p, bool& first, std::string const& key, QPDFObjectHandle& obj)
{
if (this->m->json_version == 1) {
if (m->json_version == 1) {
JSON::writeDictionaryItem(p, first, key, obj.getJSON(1, true), 2);
} else {
auto j = JSON::makeDictionary();
if (obj.isStream()) {
j.addDictionaryMember("stream", JSON::makeDictionary())
.addDictionaryMember(
"dict", obj.getDict().getJSON(this->m->json_version, true));
"dict", obj.getDict().getJSON(m->json_version, true));
} else {
j.addDictionaryMember(
"value", obj.getJSON(this->m->json_version, true));
j.addDictionaryMember("value", obj.getJSON(m->json_version, true));
}
JSON::writeDictionaryItem(p, first, key, j, 2);
}
@ -1046,7 +1042,7 @@ QPDFJob::doJSONObjects(Pipeline* p, bool& first, QPDF& pdf)
auto wanted_og = getWantedJSONObjects();
for (auto& obj: pdf.getAllObjects()) {
std::string key = obj.unparse();
if (this->m->json_version > 1) {
if (m->json_version > 1) {
key = "obj:" + key;
}
if (all_objects || wanted_og.count(obj.getObjGen())) {
@ -1060,20 +1056,20 @@ QPDFJob::doJSONObjects(Pipeline* p, bool& first, QPDF& pdf)
JSON::writeDictionaryClose(p, first_object, 1);
} else {
std::set<std::string> json_objects;
if (this->m->json_objects.count("trailer")) {
if (m->json_objects.count("trailer")) {
json_objects.insert("trailer");
}
for (auto og: getWantedJSONObjects()) {
json_objects.emplace("obj:" + og.unparse(' ') + " R");
}
pdf.writeJSON(
this->m->json_version,
m->json_version,
p,
false,
first,
this->m->decode_level,
this->m->json_stream_data,
this->m->json_stream_prefix,
m->decode_level,
m->json_stream_data,
m->json_stream_prefix,
json_objects);
}
}
@ -1096,12 +1092,12 @@ QPDFJob::doJSONObjectinfo(Pipeline* p, bool& first, QPDF& pdf)
j_stream.addDictionaryMember(
"length",
(is_stream ? obj.getDict().getKey("/Length").getJSON(
this->m->json_version, true)
m->json_version, true)
: JSON::makeNull()));
j_stream.addDictionaryMember(
"filter",
(is_stream ? obj.getDict().getKey("/Filter").getJSON(
this->m->json_version, true)
m->json_version, true)
: JSON::makeNull()));
JSON::writeDictionaryItem(
p, first_object, obj.unparse(), j_details, 2);
@ -1123,8 +1119,7 @@ QPDFJob::doJSONPages(Pipeline* p, bool& first, QPDF& pdf)
++pageno;
JSON j_page = JSON::makeDictionary();
QPDFObjectHandle page = ph.getObjectHandle();
j_page.addDictionaryMember(
"object", page.getJSON(this->m->json_version));
j_page.addDictionaryMember("object", page.getJSON(m->json_version));
JSON j_images = j_page.addDictionaryMember("images", JSON::makeArray());
for (auto const& iter2: ph.getImages()) {
JSON j_image = j_images.addArrayElement(JSON::makeDictionary());
@ -1132,22 +1127,20 @@ QPDFJob::doJSONPages(Pipeline* p, bool& first, QPDF& pdf)
QPDFObjectHandle image = iter2.second;
QPDFObjectHandle dict = image.getDict();
j_image.addDictionaryMember(
"object", image.getJSON(this->m->json_version));
"object", image.getJSON(m->json_version));
j_image.addDictionaryMember(
"width", dict.getKey("/Width").getJSON(this->m->json_version));
"width", dict.getKey("/Width").getJSON(m->json_version));
j_image.addDictionaryMember(
"height",
dict.getKey("/Height").getJSON(this->m->json_version));
"height", dict.getKey("/Height").getJSON(m->json_version));
j_image.addDictionaryMember(
"colorspace",
dict.getKey("/ColorSpace").getJSON(this->m->json_version));
dict.getKey("/ColorSpace").getJSON(m->json_version));
j_image.addDictionaryMember(
"bitspercomponent",
dict.getKey("/BitsPerComponent")
.getJSON(this->m->json_version));
dict.getKey("/BitsPerComponent").getJSON(m->json_version));
QPDFObjectHandle filters = dict.getKey("/Filter").wrapInArray();
j_image.addDictionaryMember(
"filter", filters.getJSON(this->m->json_version));
"filter", filters.getJSON(m->json_version));
QPDFObjectHandle decode_parms = dict.getKey("/DecodeParms");
QPDFObjectHandle dp_array;
if (decode_parms.isArray()) {
@ -1159,7 +1152,7 @@ QPDFJob::doJSONPages(Pipeline* p, bool& first, QPDF& pdf)
}
}
j_image.addDictionaryMember(
"decodeparms", dp_array.getJSON(this->m->json_version));
"decodeparms", dp_array.getJSON(m->json_version));
j_image.addDictionaryMember(
"filterable",
JSON::makeBool(
@ -1169,11 +1162,10 @@ QPDFJob::doJSONPages(Pipeline* p, bool& first, QPDF& pdf)
JSON j_contents =
j_page.addDictionaryMember("contents", JSON::makeArray());
for (auto& iter2: ph.getPageContents()) {
j_contents.addArrayElement(iter2.getJSON(this->m->json_version));
j_contents.addArrayElement(iter2.getJSON(m->json_version));
}
j_page.addDictionaryMember(
"label",
pldh.getLabelForPage(pageno).getJSON(this->m->json_version));
"label", pldh.getLabelForPage(pageno).getJSON(m->json_version));
JSON j_outlines =
j_page.addDictionaryMember("outlines", JSON::makeArray());
std::vector<QPDFOutlineObjectHelper> outlines =
@ -1181,12 +1173,11 @@ QPDFJob::doJSONPages(Pipeline* p, bool& first, QPDF& pdf)
for (auto& oiter: outlines) {
JSON j_outline = j_outlines.addArrayElement(JSON::makeDictionary());
j_outline.addDictionaryMember(
"object",
oiter.getObjectHandle().getJSON(this->m->json_version));
"object", oiter.getObjectHandle().getJSON(m->json_version));
j_outline.addDictionaryMember(
"title", JSON::makeString(oiter.getTitle()));
j_outline.addDictionaryMember(
"dest", oiter.getDest().getJSON(this->m->json_version, true));
"dest", oiter.getDest().getJSON(m->json_version, true));
}
j_page.addDictionaryMember("pageposfrom1", JSON::makeInt(1 + pageno));
JSON::writeArrayItem(p, first_page, j_page, 2);
@ -1213,10 +1204,10 @@ QPDFJob::doJSONPageLabels(Pipeline* p, bool& first, QPDF& pdf)
}
JSON j_label = j_labels.addArrayElement(JSON::makeDictionary());
j_label.addDictionaryMember(
"index", (*iter).getJSON(this->m->json_version));
"index", (*iter).getJSON(m->json_version));
++iter;
j_label.addDictionaryMember(
"label", (*iter).getJSON(this->m->json_version));
"label", (*iter).getJSON(m->json_version));
}
}
JSON::writeDictionaryItem(p, first, "pagelabels", j_labels, 1);
@ -1231,10 +1222,10 @@ QPDFJob::addOutlinesToJson(
for (auto& ol: outlines) {
JSON jo = j.addArrayElement(JSON::makeDictionary());
jo.addDictionaryMember(
"object", ol.getObjectHandle().getJSON(this->m->json_version));
"object", ol.getObjectHandle().getJSON(m->json_version));
jo.addDictionaryMember("title", JSON::makeString(ol.getTitle()));
jo.addDictionaryMember(
"dest", ol.getDest().getJSON(this->m->json_version, true));
"dest", ol.getDest().getJSON(m->json_version, true));
jo.addDictionaryMember("open", JSON::makeBool(ol.getCount() >= 0));
QPDFObjectHandle page = ol.getDestPage();
JSON j_destpage = JSON::makeNull();
@ -1283,11 +1274,11 @@ QPDFJob::doJSONAcroform(Pipeline* p, bool& first, QPDF& pdf)
QPDFFormFieldObjectHelper ffh = afdh.getFieldForAnnotation(aoh);
JSON j_field = j_fields.addArrayElement(JSON::makeDictionary());
j_field.addDictionaryMember(
"object", ffh.getObjectHandle().getJSON(this->m->json_version));
"object", ffh.getObjectHandle().getJSON(m->json_version));
j_field.addDictionaryMember(
"parent",
ffh.getObjectHandle().getKey("/Parent").getJSON(
this->m->json_version));
m->json_version));
j_field.addDictionaryMember(
"pageposfrom1", JSON::makeInt(pagepos1));
j_field.addDictionaryMember(
@ -1303,10 +1294,9 @@ QPDFJob::doJSONAcroform(Pipeline* p, bool& first, QPDF& pdf)
j_field.addDictionaryMember(
"mappingname", JSON::makeString(ffh.getMappingName()));
j_field.addDictionaryMember(
"value", ffh.getValue().getJSON(this->m->json_version));
"value", ffh.getValue().getJSON(m->json_version));
j_field.addDictionaryMember(
"defaultvalue",
ffh.getDefaultValue().getJSON(this->m->json_version));
"defaultvalue", ffh.getDefaultValue().getJSON(m->json_version));
j_field.addDictionaryMember(
"quadding", JSON::makeInt(ffh.getQuadding()));
j_field.addDictionaryMember(
@ -1324,7 +1314,7 @@ QPDFJob::doJSONAcroform(Pipeline* p, bool& first, QPDF& pdf)
JSON j_annot = j_field.addDictionaryMember(
"annotation", JSON::makeDictionary());
j_annot.addDictionaryMember(
"object", aoh.getObjectHandle().getJSON(this->m->json_version));
"object", aoh.getObjectHandle().getJSON(m->json_version));
j_annot.addDictionaryMember(
"appearancestate", JSON::makeString(aoh.getAppearanceState()));
j_annot.addDictionaryMember(
@ -1378,8 +1368,7 @@ QPDFJob::doJSONEncrypt(Pipeline* p, bool& first, QPDF& pdf)
"modifyforms", JSON::makeBool(pdf.allowModifyForm()));
/* cSpell:ignore moddifyannotations */
std::string MODIFY_ANNOTATIONS =
(this->m->json_version == 1 ? "moddifyannotations"
: "modifyannotations");
(m->json_version == 1 ? "moddifyannotations" : "modifyannotations");
j_capabilities.addDictionaryMember(
MODIFY_ANNOTATIONS, JSON::makeBool(pdf.allowModifyAnnotation()));
j_capabilities.addDictionaryMember(
@ -1722,7 +1711,7 @@ QPDFJob::doJSON(QPDF& pdf, Pipeline* p)
std::string captured_json;
std::shared_ptr<Pl_String> pl_str;
if (this->m->test_json_schema) {
if (m->test_json_schema) {
pl_str = std::make_shared<Pl_String>("capture json", p, captured_json);
p = pl_str.get();
}
@ -1740,7 +1729,7 @@ QPDFJob::doJSON(QPDF& pdf, Pipeline* p)
// ignore unrecognized keys, so we only update the version of a
// key disappears or if its value changes meaning.
JSON::writeDictionaryItem(
p, first, "version", JSON::makeInt(this->m->json_version), 1);
p, first, "version", JSON::makeInt(m->json_version), 1);
JSON j_params = JSON::makeDictionary();
std::string decode_level_str;
switch (m->decode_level) {
@ -1799,7 +1788,7 @@ QPDFJob::doJSON(QPDF& pdf, Pipeline* p)
m->json_keys.count("qpdf")) {
doJSONObjects(p, first, pdf);
}
if (this->m->json_version == 1) {
if (m->json_version == 1) {
// "objectinfo" is not needed for version >1 since you can
// tell streams from other objects in "objects".
if (all_keys || m->json_keys.count("objectinfo")) {
@ -1810,16 +1799,16 @@ QPDFJob::doJSON(QPDF& pdf, Pipeline* p)
JSON::writeDictionaryClose(p, first, 0);
*p << "\n";
if (this->m->test_json_schema) {
if (m->test_json_schema) {
// Check against schema
JSON schema = json_schema(this->m->json_version, &m->json_keys);
JSON schema = json_schema(m->json_version, &m->json_keys);
std::list<std::string> errors;
JSON captured = JSON::parse(captured_json);
if (!captured.checkSchema(schema, errors)) {
this->m->log->error("QPDFJob didn't create JSON that complies with "
"its own rules.\n");
m->log->error("QPDFJob didn't create JSON that complies with "
"its own rules.\n");
for (auto const& error: errors) {
*this->m->log->getError() << error << "\n";
*m->log->getError() << error << "\n";
}
}
}
@ -1828,7 +1817,7 @@ QPDFJob::doJSON(QPDF& pdf, Pipeline* p)
void
QPDFJob::doInspection(QPDF& pdf)
{
auto& cout = *this->m->log->getInfo();
auto& cout = *m->log->getInfo();
if (m->check) {
doCheck(pdf);
}
@ -1846,7 +1835,7 @@ QPDFJob::doInspection(QPDF& pdf)
} else if (pdf.checkLinearization()) {
cout << m->infilename.get() << ": no linearization errors\n";
} else {
this->m->warnings = true;
m->warnings = true;
}
}
if (m->show_linearization) {
@ -1872,7 +1861,7 @@ QPDFJob::doInspection(QPDF& pdf)
doShowAttachment(pdf);
}
if (!pdf.getWarnings().empty()) {
this->m->warnings = true;
m->warnings = true;
}
}
@ -1889,14 +1878,13 @@ QPDFJob::doProcessOnce(
setQPDFOptions(*pdf);
if (empty) {
pdf->emptyPDF();
} else if (main_input && this->m->json_input) {
pdf->createFromJSON(this->m->infilename.get());
} else if (main_input && m->json_input) {
pdf->createFromJSON(m->infilename.get());
} else {
fn(pdf.get(), password);
}
if (used_for_input) {
this->m->max_input_version.updateIfGreater(
pdf->getVersionAsPDFVersion());
m->max_input_version.updateIfGreater(pdf->getVersionAsPDFVersion());
}
}
@ -2314,7 +2302,7 @@ QPDFJob::copyAttachments(QPDF& pdf)
}
if (other->anyWarnings()) {
this->m->warnings = true;
m->warnings = true;
}
}
@ -2917,8 +2905,8 @@ QPDFJob::maybeFixWritePassword(int R, std::string& password)
password = encoded;
} else {
QTC::TC("qpdf", "QPDFJob bytes fallback warning");
*this->m->log->getError()
<< this->m->message_prefix << ": WARNING: "
*m->log->getError()
<< m->message_prefix << ": WARNING: "
<< "supplied password looks like a Unicode"
<< " password with characters not allowed in"
<< " passwords for 40-bit and 128-bit "
@ -2965,17 +2953,17 @@ QPDFJob::setEncryptionOptions(QPDF& pdf, QPDFWriter& w)
throw std::logic_error("bad encryption keylen");
}
if ((R > 3) && (m->r3_accessibility == false)) {
*this->m->log->getError() << this->m->message_prefix
<< ": -accessibility=n is ignored for modern"
<< " encryption formats\n";
*m->log->getError()
<< m->message_prefix << ": -accessibility=n is ignored for modern"
<< " encryption formats\n";
}
maybeFixWritePassword(R, m->user_password);
maybeFixWritePassword(R, m->owner_password);
if ((R < 4) || ((R == 4) && (!m->use_aes))) {
if (!m->allow_weak_crypto) {
QTC::TC("qpdf", "QPDFJob weak crypto error");
*this->m->log->getError()
<< this->m->message_prefix
*m->log->getError()
<< m->message_prefix
<< ": refusing to write a file with RC4, a weak "
"cryptographic "
"algorithm\n"
@ -3141,7 +3129,7 @@ QPDFJob::setWriterOptions(QPDF& pdf, QPDFWriter& w)
if (m->object_stream_set) {
w.setObjectStreamMode(m->object_stream_mode);
}
w.setMinimumPDFVersion(this->m->max_input_version);
w.setMinimumPDFVersion(m->max_input_version);
if (!m->min_version.empty()) {
std::string version;
int extension_level = 0;
@ -3155,22 +3143,19 @@ QPDFJob::setWriterOptions(QPDF& pdf, QPDFWriter& w)
w.forcePDFVersion(version, extension_level);
}
if (m->progress) {
if (this->m->progress_handler) {
if (m->progress_handler) {
w.registerProgressReporter(
std::shared_ptr<QPDFWriter::ProgressReporter>(
new QPDFWriter::FunctionProgressReporter(
this->m->progress_handler)));
m->progress_handler)));
} else {
char const* outfilename = this->m->outfilename
? this->m->outfilename.get()
: "standard output";
char const* outfilename =
m->outfilename ? m->outfilename.get() : "standard output";
w.registerProgressReporter(
std::shared_ptr<QPDFWriter::ProgressReporter>(
// line-break
new ProgressReporter(
*this->m->log->getInfo(),
this->m->message_prefix,
outfilename)));
*m->log->getInfo(), m->message_prefix, outfilename)));
}
}
}
@ -3291,19 +3276,19 @@ QPDFJob::writeOutfile(QPDF& pdf)
} else if (strcmp(m->outfilename.get(), "-") == 0) {
m->outfilename = nullptr;
}
if (this->m->json_version) {
if (m->json_version) {
writeJSON(pdf);
} else {
// QPDFWriter must have block scope so the output file will be
// closed after write() finishes.
QPDFWriter w(pdf);
if (this->m->outfilename) {
if (m->outfilename) {
w.setOutputFilename(m->outfilename.get());
} else {
// saveToStandardOutput has already been called, but
// calling it again is defensive and harmless.
this->m->log->saveToStandardOutput(true);
w.setOutputPipeline(this->m->log->getSave().get());
m->log->saveToStandardOutput(true);
w.setOutputPipeline(m->log->getSave().get());
}
setWriterOptions(pdf, w);
w.write();
@ -3327,17 +3312,17 @@ QPDFJob::writeOutfile(QPDF& pdf)
QUtil::rename_file(m->infilename.get(), backup.c_str());
QUtil::rename_file(temp_out.get(), m->infilename.get());
if (warnings) {
*this->m->log->getError()
<< this->m->message_prefix
*m->log->getError()
<< m->message_prefix
<< ": there are warnings; original file kept in " << backup
<< "\n";
} else {
try {
QUtil::remove_file(backup.c_str());
} catch (QPDFSystemError& e) {
*this->m->log->getError()
<< this->m->message_prefix
<< ": unable to delete original file (" << e.what() << ");"
*m->log->getError()
<< m->message_prefix << ": unable to delete original file ("
<< e.what() << ");"
<< " original file left in " << backup
<< ", but the input was successfully replaced\n";
}
@ -3354,22 +3339,22 @@ QPDFJob::writeJSON(QPDF& pdf)
std::shared_ptr<Pipeline> fp;
if (m->outfilename.get()) {
QTC::TC("qpdf", "QPDFJob write json to file");
if (this->m->json_stream_prefix.empty()) {
this->m->json_stream_prefix = this->m->outfilename.get();
if (m->json_stream_prefix.empty()) {
m->json_stream_prefix = m->outfilename.get();
}
fc = std::make_shared<QUtil::FileCloser>(
QUtil::safe_fopen(this->m->outfilename.get(), "w"));
QUtil::safe_fopen(m->outfilename.get(), "w"));
fp = std::make_shared<Pl_StdioFile>("json output", fc->f);
} else if (
(this->m->json_stream_data == qpdf_sj_file) &&
this->m->json_stream_prefix.empty()) {
(m->json_stream_data == qpdf_sj_file) &&
m->json_stream_prefix.empty()) {
QTC::TC("qpdf", "QPDFJob need json-stream-prefix for stdout");
usage("please specify --json-stream-prefix since the input file "
"name is unknown");
} else {
QTC::TC("qpdf", "QPDFJob write json to stdout");
this->m->log->saveToStandardOutput(true);
fp = this->m->log->getSave();
m->log->saveToStandardOutput(true);
fp = m->log->getSave();
}
doJSON(pdf, fp.get());
}

2
libqpdf/QPDFJob_json.cc
View File

@ -582,7 +582,7 @@ QPDFJob::initializeFromJson(std::string const& json, bool partial)
JSON j = JSON::parse(json);
if (!j.checkSchema(JOB_SCHEMA, JSON::f_optional, errors)) {
std::ostringstream msg;
msg << this->m->message_prefix << ": job json has errors:";
msg << m->message_prefix << ": job json has errors:";
for (auto const& error: errors) {
msg << std::endl << " " << error;
}

56
libqpdf/QPDFLogger.cc
View File

@ -92,7 +92,7 @@ QPDFLogger::info(std::string const& s)
std::shared_ptr<Pipeline>
QPDFLogger::getInfo(bool null_okay)
{
return throwIfNull(this->m->p_info, null_okay);
return throwIfNull(m->p_info, null_okay);
}
void
@ -110,8 +110,8 @@ QPDFLogger::warn(std::string const& s)
std::shared_ptr<Pipeline>
QPDFLogger::getWarn(bool null_okay)
{
if (this->m->p_warn) {
return this->m->p_warn;
if (m->p_warn) {
return m->p_warn;
}
return getError(null_okay);
}
@ -131,83 +131,83 @@ QPDFLogger::error(std::string const& s)
std::shared_ptr<Pipeline>
QPDFLogger::getError(bool null_okay)
{
return throwIfNull(this->m->p_error, null_okay);
return throwIfNull(m->p_error, null_okay);
}
std::shared_ptr<Pipeline>
QPDFLogger::getSave(bool null_okay)
{
return throwIfNull(this->m->p_save, null_okay);
return throwIfNull(m->p_save, null_okay);
}
std::shared_ptr<Pipeline>
QPDFLogger::standardOutput()
{
return this->m->p_stdout;
return m->p_stdout;
}
std::shared_ptr<Pipeline>
QPDFLogger::standardError()
{
return this->m->p_stderr;
return m->p_stderr;
}
std::shared_ptr<Pipeline>
QPDFLogger::discard()
{
return this->m->p_discard;
return m->p_discard;
}
void
QPDFLogger::setInfo(std::shared_ptr<Pipeline> p)
{
if (p == nullptr) {
if (this->m->p_save == this->m->p_stdout) {
p = this->m->p_stderr;
if (m->p_save == m->p_stdout) {
p = m->p_stderr;
} else {
p = this->m->p_stdout;
p = m->p_stdout;
}
}
this->m->p_info = p;
m->p_info = p;
}
void
QPDFLogger::setWarn(std::shared_ptr<Pipeline> p)
{
this->m->p_warn = p;
m->p_warn = p;
}
void
QPDFLogger::setError(std::shared_ptr<Pipeline> p)
{
if (p == nullptr) {
p = this->m->p_stderr;
p = m->p_stderr;
}
this->m->p_error = p;
m->p_error = p;
}
void
QPDFLogger::setSave(std::shared_ptr<Pipeline> p, bool only_if_not_set)
{
if (only_if_not_set && (this->m->p_save != nullptr)) {
if (only_if_not_set && (m->p_save != nullptr)) {
return;
}
if (this->m->p_save == p) {
if (m->p_save == p) {
return;
}
if (p == this->m->p_stdout) {
if (p == m->p_stdout) {
auto pt = dynamic_cast<Pl_Track*>(p.get());
if (pt->getUsed()) {
throw std::logic_error(
"QPDFLogger: called setSave on standard output after standard"
" output has already been used");
}
if (this->m->p_info == this->m->p_stdout) {
this->m->p_info = this->m->p_stderr;
if (m->p_info == m->p_stdout) {
m->p_info = m->p_stderr;
}
QUtil::binary_stdout();
}
this->m->p_save = p;
m->p_save = p;
}
void
@ -229,22 +229,22 @@ QPDFLogger::setOutputStreams(std::ostream* out_stream, std::ostream* err_stream)
std::shared_ptr<Pipeline> new_err;
if (out_stream == nullptr) {
if (this->m->p_save == this->m->p_stdout) {
new_out = this->m->p_stderr;
if (m->p_save == m->p_stdout) {
new_out = m->p_stderr;
} else {
new_out = this->m->p_stdout;
new_out = m->p_stdout;
}
} else {
new_out = std::make_shared<Pl_OStream>("output", *out_stream);
}
if (err_stream == nullptr) {
new_err = this->m->p_stderr;
new_err = m->p_stderr;
} else {
new_err = std::make_shared<Pl_OStream>("error output", *err_stream);
}
this->m->p_info = new_out;
this->m->p_warn = nullptr;
this->m->p_error = new_err;
m->p_info = new_out;
m->p_warn = nullptr;
m->p_error = new_err;
}
std::shared_ptr<Pipeline>

16
libqpdf/QPDFNameTreeObjectHelper.cc
View File

@ -140,26 +140,26 @@ QPDFNameTreeObjectHelper::iterator::remove()
QPDFNameTreeObjectHelper::iterator
QPDFNameTreeObjectHelper::begin() const
{
return iterator(std::make_shared<NNTreeIterator>(this->m->impl->begin()));
return iterator(std::make_shared<NNTreeIterator>(m->impl->begin()));
}
QPDFNameTreeObjectHelper::iterator
QPDFNameTreeObjectHelper::end() const
{
return iterator(std::make_shared<NNTreeIterator>(this->m->impl->end()));
return iterator(std::make_shared<NNTreeIterator>(m->impl->end()));
}
QPDFNameTreeObjectHelper::iterator
QPDFNameTreeObjectHelper::last() const
{
return iterator(std::make_shared<NNTreeIterator>(this->m->impl->last()));
return iterator(std::make_shared<NNTreeIterator>(m->impl->last()));
}
QPDFNameTreeObjectHelper::iterator
QPDFNameTreeObjectHelper::find(
std::string const& key, bool return_prev_if_not_found)
{
auto i = this->m->impl->find(
auto i = m->impl->find(
QPDFObjectHandle::newUnicodeString(key), return_prev_if_not_found);
return iterator(std::make_shared<NNTreeIterator>(i));
}
@ -167,8 +167,7 @@ QPDFNameTreeObjectHelper::find(
QPDFNameTreeObjectHelper::iterator
QPDFNameTreeObjectHelper::insert(std::string const& key, QPDFObjectHandle value)
{
auto i =
this->m->impl->insert(QPDFObjectHandle::newUnicodeString(key), value);
auto i = m->impl->insert(QPDFObjectHandle::newUnicodeString(key), value);
return iterator(std::make_shared<NNTreeIterator>(i));
}
@ -176,8 +175,7 @@ bool
QPDFNameTreeObjectHelper::remove(
std::string const& key, QPDFObjectHandle* value)
{
return this->m->impl->remove(
QPDFObjectHandle::newUnicodeString(key), value);
return m->impl->remove(QPDFObjectHandle::newUnicodeString(key), value);
}
bool
@ -202,7 +200,7 @@ QPDFNameTreeObjectHelper::findObject(
void
QPDFNameTreeObjectHelper::setSplitThreshold(int t)
{
this->m->impl->setSplitThreshold(t);
m->impl->setSplitThreshold(t);
}
std::map<std::string, QPDFObjectHandle>

14
libqpdf/QPDFNumberTreeObjectHelper.cc
View File

@ -141,26 +141,26 @@ QPDFNumberTreeObjectHelper::iterator::remove()
QPDFNumberTreeObjectHelper::iterator
QPDFNumberTreeObjectHelper::begin() const
{
return iterator(std::make_shared<NNTreeIterator>(this->m->impl->begin()));
return iterator(std::make_shared<NNTreeIterator>(m->impl->begin()));
}
QPDFNumberTreeObjectHelper::iterator
QPDFNumberTreeObjectHelper::end() const
{
return iterator(std::make_shared<NNTreeIterator>(this->m->impl->end()));
return iterator(std::make_shared<NNTreeIterator>(m->impl->end()));
}
QPDFNumberTreeObjectHelper::iterator
QPDFNumberTreeObjectHelper::last() const
{
return iterator(std::make_shared<NNTreeIterator>(this->m->impl->last()));
return iterator(std::make_shared<NNTreeIterator>(m->impl->last()));
}
QPDFNumberTreeObjectHelper::iterator
QPDFNumberTreeObjectHelper::find(
numtree_number key, bool return_prev_if_not_found)
{
auto i = this->m->impl->find(
auto i = m->impl->find(
QPDFObjectHandle::newInteger(key), return_prev_if_not_found);
return iterator(std::make_shared<NNTreeIterator>(i));
}
@ -168,14 +168,14 @@ QPDFNumberTreeObjectHelper::find(
QPDFNumberTreeObjectHelper::iterator
QPDFNumberTreeObjectHelper::insert(numtree_number key, QPDFObjectHandle value)
{
auto i = this->m->impl->insert(QPDFObjectHandle::newInteger(key), value);
auto i = m->impl->insert(QPDFObjectHandle::newInteger(key), value);
return iterator(std::make_shared<NNTreeIterator>(i));
}
bool
QPDFNumberTreeObjectHelper::remove(numtree_number key, QPDFObjectHandle* value)
{
return this->m->impl->remove(QPDFObjectHandle::newInteger(key), value);
return m->impl->remove(QPDFObjectHandle::newInteger(key), value);
}
QPDFNumberTreeObjectHelper::numtree_number
@ -233,7 +233,7 @@ QPDFNumberTreeObjectHelper::findObjectAtOrBelow(
void
QPDFNumberTreeObjectHelper::setSplitThreshold(int t)
{
this->m->impl->setSplitThreshold(t);
m->impl->setSplitThreshold(t);
}
std::map<QPDFNumberTreeObjectHelper::numtree_number, QPDFObjectHandle>

32
libqpdf/QPDFObjectHandle.cc
View File

@ -2517,7 +2517,7 @@ QPDFObjectHandle::QPDFDictItems::QPDFDictItems(QPDFObjectHandle const& oh) :
QPDFObjectHandle::QPDFDictItems::iterator&
QPDFObjectHandle::QPDFDictItems::iterator::operator++()
{
++this->m->iter;
++m->iter;
updateIValue();
return *this;
}
@ -2525,7 +2525,7 @@ QPDFObjectHandle::QPDFDictItems::iterator::operator++()
QPDFObjectHandle::QPDFDictItems::iterator&
QPDFObjectHandle::QPDFDictItems::iterator::operator--()
{
--this->m->iter;
--m->iter;
updateIValue();
return *this;
}
@ -2548,10 +2548,10 @@ bool
QPDFObjectHandle::QPDFDictItems::iterator::operator==(
iterator const& other) const
{
if (this->m->is_end && other.m->is_end) {
if (m->is_end && other.m->is_end) {
return true;
}
if (this->m->is_end || other.m->is_end) {
if (m->is_end || other.m->is_end) {
return false;
}
return (this->ivalue.first == other.ivalue.first);
@ -2567,13 +2567,13 @@ QPDFObjectHandle::QPDFDictItems::iterator::iterator(
void
QPDFObjectHandle::QPDFDictItems::iterator::updateIValue()
{
this->m->is_end = (this->m->iter == this->m->keys.end());
if (this->m->is_end) {
m->is_end = (m->iter == m->keys.end());
if (m->is_end) {
this->ivalue.first = "";
this->ivalue.second = QPDFObjectHandle();
} else {
this->ivalue.first = *(this->m->iter);
this->ivalue.second = this->m->oh.getKey(this->ivalue.first);
this->ivalue.first = *(m->iter);
this->ivalue.second = m->oh.getKey(this->ivalue.first);
}
}
@ -2605,8 +2605,8 @@ QPDFObjectHandle::QPDFArrayItems::QPDFArrayItems(QPDFObjectHandle const& oh) :
QPDFObjectHandle::QPDFArrayItems::iterator&
QPDFObjectHandle::QPDFArrayItems::iterator::operator++()
{
if (!this->m->is_end) {
++this->m->item_number;
if (!m->is_end) {
++m->item_number;
updateIValue();
}
return *this;
@ -2615,8 +2615,8 @@ QPDFObjectHandle::QPDFArrayItems::iterator::operator++()
QPDFObjectHandle::QPDFArrayItems::iterator&
QPDFObjectHandle::QPDFArrayItems::iterator::operator--()
{
if (this->m->item_number > 0) {
--this->m->item_number;
if (m->item_number > 0) {
--m->item_number;
updateIValue();
}
return *this;
@ -2640,7 +2640,7 @@ bool
QPDFObjectHandle::QPDFArrayItems::iterator::operator==(
iterator const& other) const
{
return (this->m->item_number == other.m->item_number);
return (m->item_number == other.m->item_number);
}
QPDFObjectHandle::QPDFArrayItems::iterator::iterator(
@ -2653,11 +2653,11 @@ QPDFObjectHandle::QPDFArrayItems::iterator::iterator(
void
QPDFObjectHandle::QPDFArrayItems::iterator::updateIValue()
{
this->m->is_end = (this->m->item_number >= this->m->oh.getArrayNItems());
if (this->m->is_end) {
m->is_end = (m->item_number >= m->oh.getArrayNItems());
if (m->is_end) {
this->ivalue = QPDFObjectHandle();
} else {
this->ivalue = this->m->oh.getArrayItem(this->m->item_number);
this->ivalue = m->oh.getArrayItem(m->item_number);
}
}

36
libqpdf/QPDFOutlineDocumentHelper.cc
View File

@ -17,7 +17,7 @@ QPDFOutlineDocumentHelper::QPDFOutlineDocumentHelper(QPDF& qpdf) :
QPDFObjectHandle cur = outlines.getKey("/First");
QPDFObjGen::set seen;
while (!cur.isNull() && seen.add(cur)) {
this->m->outlines.push_back(
m->outlines.push_back(
QPDFOutlineObjectHelper::Accessor::create(cur, *this, 1));
cur = cur.getKey("/Next");
}
@ -26,26 +26,25 @@ QPDFOutlineDocumentHelper::QPDFOutlineDocumentHelper(QPDF& qpdf) :
bool
QPDFOutlineDocumentHelper::hasOutlines()
{
return !this->m->outlines.empty();
return !m->outlines.empty();
}
std::vector<QPDFOutlineObjectHelper>
QPDFOutlineDocumentHelper::getTopLevelOutlines()
{
return this->m->outlines;
return m->outlines;
}
void
QPDFOutlineDocumentHelper::initializeByPage()
{
std::list<QPDFOutlineObjectHelper> queue;
queue.insert(
queue.end(), this->m->outlines.begin(), this->m->outlines.end());
queue.insert(queue.end(), m->outlines.begin(), m->outlines.end());
while (!queue.empty()) {
QPDFOutlineObjectHelper oh = queue.front();
queue.pop_front();
this->m->by_page[oh.getDestPage().getObjGen()].push_back(oh);
m->by_page[oh.getDestPage().getObjGen()].push_back(oh);
std::vector<QPDFOutlineObjectHelper> kids = oh.getKids();
queue.insert(queue.end(), kids.begin(), kids.end());
}
@ -54,12 +53,12 @@ QPDFOutlineDocumentHelper::initializeByPage()
std::vector<QPDFOutlineObjectHelper>
QPDFOutlineDocumentHelper::getOutlinesForPage(QPDFObjGen const& og)
{
if (this->m->by_page.empty()) {
if (m->by_page.empty()) {
initializeByPage();
}
std::vector<QPDFOutlineObjectHelper> result;
if (this->m->by_page.count(og)) {
result = this->m->by_page[og];
if (m->by_page.count(og)) {
result = m->by_page[og];
}
return result;
}
@ -69,27 +68,26 @@ QPDFOutlineDocumentHelper::resolveNamedDest(QPDFObjectHandle name)
{
QPDFObjectHandle result;
if (name.isName()) {
if (!this->m->dest_dict.isInitialized()) {
this->m->dest_dict = this->qpdf.getRoot().getKey("/Dests");
if (!m->dest_dict.isInitialized()) {
m->dest_dict = this->qpdf.getRoot().getKey("/Dests");
}
if (this->m->dest_dict.isDictionary()) {
if (m->dest_dict.isDictionary()) {
QTC::TC("qpdf", "QPDFOutlineDocumentHelper name named dest");
result = this->m->dest_dict.getKey(name.getName());
result = m->dest_dict.getKey(name.getName());
}
} else if (name.isString()) {
if (nullptr == this->m->names_dest) {
if (nullptr == m->names_dest) {
QPDFObjectHandle names = this->qpdf.getRoot().getKey("/Names");
if (names.isDictionary()) {
QPDFObjectHandle dests = names.getKey("/Dests");
if (dests.isDictionary()) {
this->m->names_dest =
std::make_shared<QPDFNameTreeObjectHelper>(
dests, this->qpdf);
m->names_dest = std::make_shared<QPDFNameTreeObjectHelper>(
dests, this->qpdf);
}
}
}
if (this->m->names_dest.get()) {
if (this->m->names_dest->findObject(name.getUTF8Value(), result)) {
if (m->names_dest.get()) {
if (m->names_dest->findObject(name.getUTF8Value(), result)) {
QTC::TC("qpdf", "QPDFOutlineDocumentHelper string named dest");
}
}

10
libqpdf/QPDFOutlineObjectHelper.cc
View File

@ -19,7 +19,7 @@ QPDFOutlineObjectHelper::QPDFOutlineObjectHelper(
return;
}
if (QPDFOutlineDocumentHelper::Accessor::checkSeen(
this->m->dh, this->oh.getObjGen())) {
m->dh, this->oh.getObjGen())) {
QTC::TC("qpdf", "QPDFOutlineObjectHelper loop");
return;
}
@ -28,7 +28,7 @@ QPDFOutlineObjectHelper::QPDFOutlineObjectHelper(
while (!cur.isNull()) {
QPDFOutlineObjectHelper new_ooh(cur, dh, 1 + depth);
new_ooh.m->parent = std::make_shared<QPDFOutlineObjectHelper>(*this);
this->m->kids.push_back(new_ooh);
m->kids.push_back(new_ooh);
cur = cur.getKey("/Next");
}
}
@ -36,13 +36,13 @@ QPDFOutlineObjectHelper::QPDFOutlineObjectHelper(
std::shared_ptr<QPDFOutlineObjectHelper>
QPDFOutlineObjectHelper::getParent()
{
return this->m->parent;
return m->parent;
}
std::vector<QPDFOutlineObjectHelper>
QPDFOutlineObjectHelper::getKids()
{
return this->m->kids;
return m->kids;
}
QPDFObjectHandle
@ -65,7 +65,7 @@ QPDFOutlineObjectHelper::getDest()
if (dest.isName() || dest.isString()) {
QTC::TC("qpdf", "QPDFOutlineObjectHelper named dest");
dest = this->m->dh.resolveNamedDest(dest);
dest = m->dh.resolveNamedDest(dest);
}
return dest;

8
libqpdf/QPDFPageLabelDocumentHelper.cc
View File

@ -8,7 +8,7 @@ QPDFPageLabelDocumentHelper::QPDFPageLabelDocumentHelper(QPDF& qpdf) :
{
QPDFObjectHandle root = qpdf.getRoot();
if (root.hasKey("/PageLabels")) {
this->m->labels = std::make_shared<QPDFNumberTreeObjectHelper>(
m->labels = std::make_shared<QPDFNumberTreeObjectHelper>(
root.getKey("/PageLabels"), this->qpdf);
}
}
@ -16,7 +16,7 @@ QPDFPageLabelDocumentHelper::QPDFPageLabelDocumentHelper(QPDF& qpdf) :
bool
QPDFPageLabelDocumentHelper::hasPageLabels()
{
return nullptr != this->m->labels;
return nullptr != m->labels;
}
QPDFObjectHandle
@ -28,7 +28,7 @@ QPDFPageLabelDocumentHelper::getLabelForPage(long long page_idx)
}
QPDFNumberTreeObjectHelper::numtree_number offset = 0;
QPDFObjectHandle label;
if (!this->m->labels->findObjectAtOrBelow(page_idx, label, offset)) {
if (!m->labels->findObjectAtOrBelow(page_idx, label, offset)) {
return result;
}
if (!label.isDictionary()) {
@ -96,7 +96,7 @@ QPDFPageLabelDocumentHelper::getLabelsForPageRange(
long long int idx_offset = new_start_idx - start_idx;
for (long long i = start_idx + 1; i <= end_idx; ++i) {
if (this->m->labels->hasIndex(i) &&
if (m->labels->hasIndex(i) &&
(label = getLabelForPage(i)).isDictionary()) {
new_labels.push_back(QPDFObjectHandle::newInteger(i + idx_offset));
new_labels.push_back(label);

899
libqpdf/QPDFWriter.cc
View File

File diff suppressed because it is too large Load Diff

120
libqpdf/QPDF_encryption.cc
View File

@ -774,27 +774,27 @@ QPDF::interpretCF(
void
QPDF::initializeEncryption()
{
if (this->m->encp->encryption_initialized) {
if (m->encp->encryption_initialized) {
return;
}
this->m->encp->encryption_initialized = true;
m->encp->encryption_initialized = true;
// After we initialize encryption parameters, we must used stored
// key information and never look at /Encrypt again. Otherwise,
// things could go wrong if someone mutates the encryption
// dictionary.
if (!this->m->trailer.hasKey("/Encrypt")) {
if (!m->trailer.hasKey("/Encrypt")) {
return;
}
// Go ahead and set this->m->encrypted here. That way, isEncrypted
// Go ahead and set m->encrypted here. That way, isEncrypted
// will return true even if there were errors reading the
// encryption dictionary.
this->m->encp->encrypted = true;
m->encp->encrypted = true;
std::string id1;
QPDFObjectHandle id_obj = this->m->trailer.getKey("/ID");
QPDFObjectHandle id_obj = m->trailer.getKey("/ID");
if ((id_obj.isArray() && (id_obj.getArrayNItems() == 2) &&
id_obj.getArrayItem(0).isString())) {
id1 = id_obj.getArrayItem(0).getStringValue();
@ -805,7 +805,7 @@ QPDF::initializeEncryption()
warn(damagedPDF("trailer", "invalid /ID in trailer dictionary"));
}
QPDFObjectHandle encryption_dict = this->m->trailer.getKey("/Encrypt");
QPDFObjectHandle encryption_dict = m->trailer.getKey("/Encrypt");
if (!encryption_dict.isDictionary()) {
throw damagedPDF("/Encrypt in trailer dictionary is not a dictionary");
}
@ -814,16 +814,16 @@ QPDF::initializeEncryption()
(encryption_dict.getKey("/Filter").getName() == "/Standard"))) {
throw QPDFExc(
qpdf_e_unsupported,
this->m->file->getName(),
m->file->getName(),
"encryption dictionary",
this->m->file->getLastOffset(),
m->file->getLastOffset(),
"unsupported encryption filter");
}
if (!encryption_dict.getKey("/SubFilter").isNull()) {
warn(
qpdf_e_unsupported,
"encryption dictionary",
this->m->file->getLastOffset(),
m->file->getLastOffset(),
"file uses encryption SubFilters, which qpdf does not support");
}
@ -850,16 +850,16 @@ QPDF::initializeEncryption()
((V == 1) || (V == 2) || (V == 4) || (V == 5)))) {
throw QPDFExc(
qpdf_e_unsupported,
this->m->file->getName(),
m->file->getName(),
"encryption dictionary",
this->m->file->getLastOffset(),
m->file->getLastOffset(),
"Unsupported /R or /V in encryption dictionary; R = " +
std::to_string(R) + " (max 6), V = " + std::to_string(V) +
" (max 5)");
}
this->m->encp->encryption_V = V;
this->m->encp->encryption_R = R;
m->encp->encryption_V = V;
m->encp->encryption_R = R;
// OE, UE, and Perms are only present if V >= 5.
std::string OE;
@ -916,9 +916,9 @@ QPDF::initializeEncryption()
Length = 128;
}
this->m->encp->encrypt_metadata = true;
m->encp->encrypt_metadata = true;
if ((V >= 4) && (encryption_dict.getKey("/EncryptMetadata").isBool())) {
this->m->encp->encrypt_metadata =
m->encp->encrypt_metadata =
encryption_dict.getKey("/EncryptMetadata").getBoolValue();
}
@ -945,15 +945,15 @@ QPDF::initializeEncryption()
method = e_unknown;
}
}
this->m->encp->crypt_filters[filter] = method;
m->encp->crypt_filters[filter] = method;
}
}
QPDFObjectHandle StmF = encryption_dict.getKey("/StmF");
QPDFObjectHandle StrF = encryption_dict.getKey("/StrF");
QPDFObjectHandle EFF = encryption_dict.getKey("/EFF");
this->m->encp->cf_stream = interpretCF(this->m->encp, StmF);
this->m->encp->cf_string = interpretCF(this->m->encp, StrF);
m->encp->cf_stream = interpretCF(m->encp, StmF);
m->encp->cf_string = interpretCF(m->encp, StrF);
if (EFF.isName()) {
// qpdf does not use this for anything other than
// informational purposes. This is intended to instruct
@ -969,9 +969,9 @@ QPDF::initializeEncryption()
// at a file generated by something else, such as Acrobat
// when specifying that only attachments should be
// encrypted.
this->m->encp->cf_file = interpretCF(this->m->encp, EFF);
m->encp->cf_file = interpretCF(m->encp, EFF);
} else {
this->m->encp->cf_file = this->m->encp->cf_stream;
m->encp->cf_file = m->encp->cf_stream;
}
}
@ -986,59 +986,51 @@ QPDF::initializeEncryption()
UE,
Perms,
id1,
this->m->encp->encrypt_metadata);
if (this->m->provided_password_is_hex_key) {
m->encp->encrypt_metadata);
if (m->provided_password_is_hex_key) {
// ignore passwords in file
} else {
this->m->encp->owner_password_matched = check_owner_password(
this->m->encp->user_password,
this->m->encp->provided_password,
data);
if (this->m->encp->owner_password_matched && (V < 5)) {
m->encp->owner_password_matched = check_owner_password(
m->encp->user_password, m->encp->provided_password, data);
if (m->encp->owner_password_matched && (V < 5)) {
// password supplied was owner password; user_password has
// been initialized for V < 5
if (getTrimmedUserPassword() == this->m->encp->provided_password) {
this->m->encp->user_password_matched = true;
if (getTrimmedUserPassword() == m->encp->provided_password) {
m->encp->user_password_matched = true;
QTC::TC("qpdf", "QPDF_encryption user matches owner V < 5");
}
} else {
this->m->encp->user_password_matched =
check_user_password(this->m->encp->provided_password, data);
if (this->m->encp->user_password_matched) {
this->m->encp->user_password = this->m->encp->provided_password;
m->encp->user_password_matched =
check_user_password(m->encp->provided_password, data);
if (m->encp->user_password_matched) {
m->encp->user_password = m->encp->provided_password;
}
}
if (this->m->encp->user_password_matched &&
this->m->encp->owner_password_matched) {
if (m->encp->user_password_matched && m->encp->owner_password_matched) {
QTC::TC("qpdf", "QPDF_encryption same password", (V < 5) ? 0 : 1);
}
if (!(this->m->encp->owner_password_matched ||
this->m->encp->user_password_matched)) {
if (!(m->encp->owner_password_matched ||
m->encp->user_password_matched)) {
throw QPDFExc(
qpdf_e_password,
this->m->file->getName(),
"",
0,
"invalid password");
qpdf_e_password, m->file->getName(), "", 0, "invalid password");
}
}
if (this->m->provided_password_is_hex_key) {
this->m->encp->encryption_key =
QUtil::hex_decode(this->m->encp->provided_password);
if (m->provided_password_is_hex_key) {
m->encp->encryption_key = QUtil::hex_decode(m->encp->provided_password);
} else if (V < 5) {
// For V < 5, the user password is encrypted with the owner
// password, and the user password is always used for
// computing the encryption key.
this->m->encp->encryption_key =
compute_encryption_key(this->m->encp->user_password, data);
m->encp->encryption_key =
compute_encryption_key(m->encp->user_password, data);
} else {
// For V >= 5, either password can be used independently to
// compute the encryption key, and neither password can be
// used to recover the other.
bool perms_valid;
this->m->encp->encryption_key = recover_encryption_key_with_password(
this->m->encp->provided_password, data, perms_valid);
m->encp->encryption_key = recover_encryption_key_with_password(
m->encp->provided_password, data, perms_valid);
if (!perms_valid) {
warn(damagedPDF(
"encryption dictionary",
@ -1080,8 +1072,8 @@ QPDF::decryptString(std::string& str, QPDFObjGen const& og)
return;
}
bool use_aes = false;
if (this->m->encp->encryption_V >= 4) {
switch (this->m->encp->cf_string) {
if (m->encp->encryption_V >= 4) {
switch (m->encp->cf_string) {
case e_none:
return;
@ -1102,13 +1094,13 @@ QPDF::decryptString(std::string& str, QPDFObjGen const& og)
"/Encrypt dictionary); strings may be decrypted improperly"));
// To avoid repeated warnings, reset cf_string. Assume
// we'd want to use AES if V == 4.
this->m->encp->cf_string = e_aes;
m->encp->cf_string = e_aes;
use_aes = true;
break;
}
}
std::string key = getKeyForObject(this->m->encp, og, use_aes);
std::string key = getKeyForObject(m->encp, og, use_aes);
try {
if (use_aes) {
QTC::TC("qpdf", "QPDF_encryption aes decode string");
@ -1320,13 +1312,13 @@ QPDF::compute_encryption_parameters_V5(
std::string const&
QPDF::getPaddedUserPassword() const
{
return this->m->encp->user_password;
return m->encp->user_password;
}
std::string
QPDF::getTrimmedUserPassword() const
{
std::string result = this->m->encp->user_password;
std::string result = m->encp->user_password;
trim_user_password(result);
return result;
}
@ -1334,13 +1326,13 @@ QPDF::getTrimmedUserPassword() const
std::string
QPDF::getEncryptionKey() const
{
return this->m->encp->encryption_key;
return m->encp->encryption_key;
}
bool
QPDF::isEncrypted() const
{
return this->m->encp->encrypted;
return m->encp->encrypted;
}
bool
@ -1360,7 +1352,7 @@ QPDF::isEncrypted(
encryption_method_e& string_method,
encryption_method_e& file_method)
{
if (this->m->encp->encrypted) {
if (m->encp->encrypted) {
QPDFObjectHandle trailer = getTrailer();
QPDFObjectHandle encrypt = trailer.getKey("/Encrypt");
QPDFObjectHandle Pkey = encrypt.getKey("/P");
@ -1369,9 +1361,9 @@ QPDF::isEncrypted(
P = static_cast<int>(Pkey.getIntValue());
R = Rkey.getIntValueAsInt();
V = Vkey.getIntValueAsInt();
stream_method = this->m->encp->cf_stream;
string_method = this->m->encp->cf_string;
file_method = this->m->encp->cf_file;
stream_method = m->encp->cf_stream;
string_method = m->encp->cf_string;
file_method = m->encp->cf_file;
return true;
} else {
return false;
@ -1381,13 +1373,13 @@ QPDF::isEncrypted(
bool
QPDF::ownerPasswordMatched() const
{
return this->m->encp->owner_password_matched;
return m->encp->owner_password_matched;
}
bool
QPDF::userPasswordMatched() const
{
return this->m->encp->user_password_matched;
return m->encp->user_password_matched;
}
static bool

405
libqpdf/QPDF_linearization.cc
View File

@ -67,7 +67,7 @@ load_vector_vector(
void
QPDF::linearizationWarning(std::string_view msg)
{
this->m->linearization_warnings = true;
m->linearization_warnings = true;
warn(qpdf_e_linearization, "", 0, std::string(msg));
}
@ -91,7 +91,7 @@ QPDF::isLinearized()
{
// If the first object in the file is a dictionary with a suitable
// /Linearized key and has an /L key that accurately indicates the
// file size, initialize this->m->lindict and return true.
// file size, initialize m->lindict and return true.
// A linearized PDF spec's first object will be contained within
// the first 1024 bytes of the file and will be a dictionary with
@ -105,9 +105,9 @@ QPDF::isLinearized()
auto b = std::make_unique<char[]>(tbuf_size);
char* buf = b.get();
this->m->file->seek(0, SEEK_SET);
m->file->seek(0, SEEK_SET);
memset(buf, '\0', tbuf_size);
this->m->file->read(buf, tbuf_size - 1);
m->file->read(buf, tbuf_size - 1);
int lindict_obj = -1;
char* p = buf;
@ -121,12 +121,12 @@ QPDF::isLinearized()
}
// Seek to the digit. Then skip over digits for a potential
// next iteration.
this->m->file->seek(p - buf, SEEK_SET);
m->file->seek(p - buf, SEEK_SET);
while (((p - buf) < tbuf_size) && QUtil::is_digit(*p)) {
++p;
}
QPDFTokenizer::Token t1 = readToken(this->m->file);
QPDFTokenizer::Token t1 = readToken(m->file);
if (t1.isInteger() && readToken(m->file).isInteger() &&
readToken(m->file).isWord("obj") &&
(readToken(m->file).getType() == QPDFTokenizer::tt_dict_open)) {
@ -151,16 +151,16 @@ QPDF::isLinearized()
QPDFObjectHandle L = candidate.getKey("/L");
if (L.isInteger()) {
qpdf_offset_t Li = L.getIntValue();
this->m->file->seek(0, SEEK_END);
if (Li != this->m->file->tell()) {
m->file->seek(0, SEEK_END);
if (Li != m->file->tell()) {
QTC::TC("qpdf", "QPDF /L mismatch");
return false;
} else {
this->m->linp.file_size = Li;
m->linp.file_size = Li;
}
}
this->m->lindict = candidate;
m->lindict = candidate;
return true;
}
@ -177,12 +177,12 @@ QPDF::readLinearizationData()
}
// /L is read and stored in linp by isLinearized()
QPDFObjectHandle H = this->m->lindict.getKey("/H");
QPDFObjectHandle O = this->m->lindict.getKey("/O");
QPDFObjectHandle E = this->m->lindict.getKey("/E");
QPDFObjectHandle N = this->m->lindict.getKey("/N");
QPDFObjectHandle T = this->m->lindict.getKey("/T");
QPDFObjectHandle P = this->m->lindict.getKey("/P");
QPDFObjectHandle H = m->lindict.getKey("/H");
QPDFObjectHandle O = m->lindict.getKey("/O");
QPDFObjectHandle E = m->lindict.getKey("/E");
QPDFObjectHandle N = m->lindict.getKey("/N");
QPDFObjectHandle T = m->lindict.getKey("/T");
QPDFObjectHandle P = m->lindict.getKey("/P");
if (!(H.isArray() && O.isInteger() && E.isInteger() && N.isInteger() &&
T.isInteger() && (P.isInteger() || P.isNull()))) {
@ -243,13 +243,13 @@ QPDF::readLinearizationData()
}
// file_size initialized by isLinearized()
this->m->linp.first_page_object = O.getIntValueAsInt();
this->m->linp.first_page_end = E.getIntValue();
this->m->linp.npages = N.getIntValueAsInt();
this->m->linp.xref_zero_offset = T.getIntValue();
this->m->linp.first_page = first_page;
this->m->linp.H_offset = H0_offset;
this->m->linp.H_length = H0_length;
m->linp.first_page_object = O.getIntValueAsInt();
m->linp.first_page_end = E.getIntValue();
m->linp.npages = N.getIntValueAsInt();
m->linp.xref_zero_offset = T.getIntValue();
m->linp.first_page = first_page;
m->linp.H_offset = H0_offset;
m->linp.H_length = H0_length;
// Read hint streams
@ -296,7 +296,7 @@ QPDF::readLinearizationData()
"/O (outline) offset is out of bounds");
}
readHGeneric(
BitStream(h_buf + HOi, h_size - toS(HOi)), this->m->outline_hints);
BitStream(h_buf + HOi, h_size - toS(HOi)), m->outline_hints);
}
}
@ -311,7 +311,7 @@ QPDF::readHintStream(Pipeline& pl, qpdf_offset_t offset, size_t length)
QPDFObjGen(0, 0),
og,
false);
ObjCache& oc = this->m->obj_cache[og];
ObjCache& oc = m->obj_cache[og];
qpdf_offset_t min_end_offset = oc.end_before_space;
qpdf_offset_t max_end_offset = oc.end_after_space;
if (!H.isStream()) {
@ -331,7 +331,7 @@ QPDF::readHintStream(Pipeline& pl, qpdf_offset_t offset, size_t length)
QTC::TC("qpdf", "QPDF hint table length indirect");
// Force resolution
(void)length_obj.getIntValue();
ObjCache& oc2 = this->m->obj_cache[length_obj.getObjGen()];
ObjCache& oc2 = m->obj_cache[length_obj.getObjGen()];
min_end_offset = oc2.end_before_space;
max_end_offset = oc2.end_after_space;
} else {
@ -356,7 +356,7 @@ QPDF::readHPageOffset(BitStream h)
// All comments referring to the PDF spec refer to the spec for
// version 1.4.
HPageOffset& t = this->m->page_offset_hints;
HPageOffset& t = m->page_offset_hints;
t.min_nobjects = h.getBitsInt(32); // 1
t.first_page_offset = h.getBitsInt(32); // 2
@ -374,7 +374,7 @@ QPDF::readHPageOffset(BitStream h)
std::vector<HPageOffsetEntry>& entries = t.entries;
entries.clear();
int nitems = this->m->linp.npages;
int nitems = m->linp.npages;
load_vector_int(
h,
nitems,
@ -424,7 +424,7 @@ QPDF::readHPageOffset(BitStream h)
void
QPDF::readHSharedObject(BitStream h)
{
HSharedObject& t = this->m->shared_object_hints;
HSharedObject& t = m->shared_object_hints;
t.first_shared_obj = h.getBitsInt(32); // 1
t.first_shared_offset = h.getBitsInt(32); // 2
@ -485,7 +485,7 @@ QPDF::checkLinearizationInternal()
// Check all values in linearization parameter dictionary
LinParameters& p = this->m->linp;
LinParameters& p = m->linp;
// L: file size in bytes -- checked by isLinearized
@ -506,7 +506,7 @@ QPDF::checkLinearizationInternal()
for (size_t i = 0; i < toS(npages); ++i) {
QPDFObjectHandle const& page = pages.at(i);
QPDFObjGen og(page.getObjGen());
if (this->m->xref_table[og].getType() == 2) {
if (m->xref_table[og].getType() == 2) {
linearizationWarning(
"page dictionary for page " + std::to_string(i) +
" is compressed");
@ -514,22 +514,22 @@ QPDF::checkLinearizationInternal()
}
// T: offset of whitespace character preceding xref entry for object 0
this->m->file->seek(p.xref_zero_offset, SEEK_SET);
m->file->seek(p.xref_zero_offset, SEEK_SET);
while (true) {
char ch;
this->m->file->read(&ch, 1);
m->file->read(&ch, 1);
if (!((ch == ' ') || (ch == '\r') || (ch == '\n'))) {
this->m->file->seek(-1, SEEK_CUR);
m->file->seek(-1, SEEK_CUR);
break;
}
}
if (this->m->file->tell() != this->m->first_xref_item_offset) {
if (m->file->tell() != m->first_xref_item_offset) {
QTC::TC("qpdf", "QPDF err /T mismatch");
linearizationWarning(
"space before first xref item (/T) mismatch "
"(computed = " +
std::to_string(this->m->first_xref_item_offset) +
"; file = " + std::to_string(this->m->file->tell()));
std::to_string(m->first_xref_item_offset) +
"; file = " + std::to_string(m->file->tell()));
}
// P: first page number -- Implementation note 124 says Acrobat
@ -540,7 +540,7 @@ QPDF::checkLinearizationInternal()
// at the end of the containing xref section if any object streams
// are in use.
if (this->m->uncompressed_after_compressed) {
if (m->uncompressed_after_compressed) {
linearizationWarning(
"linearized file contains an uncompressed object"
" after a compressed one in a cross-reference stream");
@ -553,7 +553,7 @@ QPDF::checkLinearizationInternal()
// uncompressed.
{ // local scope
std::map<int, int> object_stream_data;
for (auto const& iter: this->m->xref_table) {
for (auto const& iter: m->xref_table) {
QPDFObjGen const& og = iter.first;
QPDFXRefEntry const& entry = iter.second;
if (entry.getType() == 2) {
@ -575,18 +575,18 @@ QPDF::checkLinearizationInternal()
// agree with pdlin. As of this writing, the test suite doesn't
// contain any files with threads.
if (this->m->part6.empty()) {
if (m->part6.empty()) {
stopOnError("linearization part 6 unexpectedly empty");
}
qpdf_offset_t min_E = -1;
qpdf_offset_t max_E = -1;
for (auto const& oh: this->m->part6) {
for (auto const& oh: m->part6) {
QPDFObjGen og(oh.getObjGen());
if (this->m->obj_cache.count(og) == 0) {
if (m->obj_cache.count(og) == 0) {
// All objects have to have been dereferenced to be classified.
throw std::logic_error("linearization part6 object not in cache");
}
ObjCache const& oc = this->m->obj_cache[og];
ObjCache const& oc = m->obj_cache[og];
min_E = std::max(min_E, oc.end_before_space);
max_E = std::max(max_E, oc.end_after_space);
}
@ -605,21 +605,21 @@ QPDF::checkLinearizationInternal()
checkHPageOffset(pages, shared_idx_to_obj);
checkHOutlines();
return !this->m->linearization_warnings;
return !m->linearization_warnings;
}
qpdf_offset_t
QPDF::maxEnd(ObjUser const& ou)
{
if (this->m->obj_user_to_objects.count(ou) == 0) {
if (m->obj_user_to_objects.count(ou) == 0) {
stopOnError("no entry in object user table for requested object user");
}
qpdf_offset_t end = 0;
for (auto const& og: this->m->obj_user_to_objects[ou]) {
if (this->m->obj_cache.count(og) == 0) {
for (auto const& og: m->obj_user_to_objects[ou]) {
if (m->obj_cache.count(og) == 0) {
stopOnError("unknown object referenced in object user table");
}
end = std::max(end, this->m->obj_cache[og].end_after_space);
end = std::max(end, m->obj_cache[og].end_after_space);
}
return end;
}
@ -627,7 +627,7 @@ QPDF::maxEnd(ObjUser const& ou)
qpdf_offset_t
QPDF::getLinearizationOffset(QPDFObjGen const& og)
{
QPDFXRefEntry entry = this->m->xref_table[og];
QPDFXRefEntry entry = m->xref_table[og];
qpdf_offset_t result = 0;
switch (entry.getType()) {
case 1:
@ -667,18 +667,17 @@ QPDF::lengthNextN(int first_object, int n)
int length = 0;
for (int i = 0; i < n; ++i) {
QPDFObjGen og(first_object + i, 0);
if (this->m->xref_table.count(og) == 0) {
if (m->xref_table.count(og) == 0) {
linearizationWarning(
"no xref table entry for " + std::to_string(first_object + i) +
" 0");
} else {
if (this->m->obj_cache.count(og) == 0) {
if (m->obj_cache.count(og) == 0) {
stopOnError("found unknown object while"
" calculating length for linearization data");
}
length +=
toI(this->m->obj_cache[og].end_after_space -
getLinearizationOffset(og));
length += toI(
m->obj_cache[og].end_after_space - getLinearizationOffset(og));
}
}
return length;
@ -708,9 +707,9 @@ QPDF::checkHPageOffset(
int npages = toI(pages.size());
qpdf_offset_t table_offset =
adjusted_offset(this->m->page_offset_hints.first_page_offset);
adjusted_offset(m->page_offset_hints.first_page_offset);
QPDFObjGen first_page_og(pages.at(0).getObjGen());
if (this->m->xref_table.count(first_page_og) == 0) {
if (m->xref_table.count(first_page_og) == 0) {
stopOnError("supposed first page object is not known");
}
qpdf_offset_t offset = getLinearizationOffset(first_page_og);
@ -721,17 +720,14 @@ QPDF::checkHPageOffset(
for (int pageno = 0; pageno < npages; ++pageno) {
QPDFObjGen page_og(pages.at(toS(pageno)).getObjGen());
int first_object = page_og.getObj();
if (this->m->xref_table.count(page_og) == 0) {
if (m->xref_table.count(page_og) == 0) {
stopOnError("unknown object in page offset hint table");
}
offset = getLinearizationOffset(page_og);
HPageOffsetEntry& he =
this->m->page_offset_hints.entries.at(toS(pageno));
CHPageOffsetEntry& ce =
this->m->c_page_offset_data.entries.at(toS(pageno));
int h_nobjects =
he.delta_nobjects + this->m->page_offset_hints.min_nobjects;
HPageOffsetEntry& he = m->page_offset_hints.entries.at(toS(pageno));
CHPageOffsetEntry& ce = m->c_page_offset_data.entries.at(toS(pageno));
int h_nobjects = he.delta_nobjects + m->page_offset_hints.min_nobjects;
if (h_nobjects != ce.nobjects) {
// This happens with pdlin when there are thumbnails.
linearizationWarning(
@ -743,8 +739,8 @@ QPDF::checkHPageOffset(
// Use value for number of objects in hint table rather than
// computed value if there is a discrepancy.
int length = lengthNextN(first_object, h_nobjects);
int h_length = toI(
he.delta_page_length + this->m->page_offset_hints.min_page_length);
int h_length =
toI(he.delta_page_length + m->page_offset_hints.min_page_length);
if (length != h_length) {
// This condition almost certainly indicates a bad hint
// table or a bug in this code.
@ -778,10 +774,10 @@ QPDF::checkHPageOffset(
for (size_t i = 0; i < toS(ce.nshared_objects); ++i) {
int idx = ce.shared_identifiers.at(i);
if (idx >= this->m->c_shared_object_data.nshared_total) {
if (idx >= m->c_shared_object_data.nshared_total) {
stopOnError("index out of bounds for shared object hint table");
}
int obj = this->m->c_shared_object_data.entries.at(toS(idx)).object;
int obj = m->c_shared_object_data.entries.at(toS(idx)).object;
computed_shared.insert(obj);
}
@ -831,7 +827,7 @@ QPDF::checkHSharedObject(
// these whenever there are no shared objects not referenced by
// the first page (i.e., nshared_total == nshared_first_page).
HSharedObject& so = this->m->shared_object_hints;
HSharedObject& so = m->shared_object_hints;
if (so.nshared_total < so.nshared_first_page) {
linearizationWarning("shared object hint table: ntotal < nfirst_page");
} else {
@ -842,11 +838,11 @@ QPDF::checkHSharedObject(
for (int i = 0; i < so.nshared_total; ++i) {
if (i == so.nshared_first_page) {
QTC::TC("qpdf", "QPDF lin check shared past first page");
if (this->m->part8.empty()) {
if (m->part8.empty()) {
linearizationWarning("part 8 is empty but nshared_total > "
"nshared_first_page");
} else {
int obj = this->m->part8.at(0).getObjectID();
int obj = m->part8.at(0).getObjectID();
if (obj != so.first_shared_obj) {
linearizationWarning(
"first shared object number mismatch: "
@ -859,7 +855,7 @@ QPDF::checkHSharedObject(
cur_object = so.first_shared_obj;
QPDFObjGen og(cur_object, 0);
if (this->m->xref_table.count(og) == 0) {
if (m->xref_table.count(og) == 0) {
stopOnError("unknown object in shared object hint table");
}
qpdf_offset_t offset = getLinearizationOffset(og);
@ -901,13 +897,12 @@ QPDF::checkHOutlines()
// wrong starting place). pdlin appears to generate correct
// values in those cases.
if (this->m->c_outline_data.nobjects == this->m->outline_hints.nobjects) {
if (this->m->c_outline_data.nobjects == 0) {
if (m->c_outline_data.nobjects == m->outline_hints.nobjects) {
if (m->c_outline_data.nobjects == 0) {
return;
}
if (this->m->c_outline_data.first_object ==
this->m->outline_hints.first_object) {
if (m->c_outline_data.first_object == m->outline_hints.first_object) {
// Check length and offset. Acrobat gets these wrong.
QPDFObjectHandle outlines = getRoot().getKey("/Outlines");
if (!outlines.isIndirect()) {
@ -919,21 +914,21 @@ QPDF::checkHOutlines()
return;
}
QPDFObjGen og(outlines.getObjGen());
if (this->m->xref_table.count(og) == 0) {
if (m->xref_table.count(og) == 0) {
stopOnError("unknown object in outlines hint table");
}
qpdf_offset_t offset = getLinearizationOffset(og);
ObjUser ou(ObjUser::ou_root_key, "/Outlines");
int length = toI(maxEnd(ou) - offset);
qpdf_offset_t table_offset =
adjusted_offset(this->m->outline_hints.first_object_offset);
adjusted_offset(m->outline_hints.first_object_offset);
if (offset != table_offset) {
linearizationWarning(
"incorrect offset in outlines table: hint table = " +
std::to_string(table_offset) +
"; computed = " + std::to_string(offset));
}
int table_length = this->m->outline_hints.group_length;
int table_length = m->outline_hints.group_length;
if (length != table_length) {
linearizationWarning(
"incorrect length in outlines table: hint table = " +
@ -964,28 +959,28 @@ QPDF::showLinearizationData()
void
QPDF::dumpLinearizationDataInternal()
{
*this->m->log->getInfo()
<< this->m->file->getName() << ": linearization data:\n\n";
*m->log->getInfo() << m->file->getName() << ": linearization data:\n\n";
*this->m->log->getInfo()
<< "file_size: " << this->m->linp.file_size << "\n"
<< "first_page_object: " << this->m->linp.first_page_object << "\n"
<< "first_page_end: " << this->m->linp.first_page_end << "\n"
<< "npages: " << this->m->linp.npages << "\n"
<< "xref_zero_offset: " << this->m->linp.xref_zero_offset << "\n"
<< "first_page: " << this->m->linp.first_page << "\n"
<< "H_offset: " << this->m->linp.H_offset << "\n"
<< "H_length: " << this->m->linp.H_length << "\n"
<< "\n";
*m->log->getInfo() << "file_size: " << m->linp.file_size << "\n"
<< "first_page_object: " << m->linp.first_page_object
<< "\n"
<< "first_page_end: " << m->linp.first_page_end << "\n"
<< "npages: " << m->linp.npages << "\n"
<< "xref_zero_offset: " << m->linp.xref_zero_offset
<< "\n"
<< "first_page: " << m->linp.first_page << "\n"
<< "H_offset: " << m->linp.H_offset << "\n"
<< "H_length: " << m->linp.H_length << "\n"
<< "\n";
*this->m->log->getInfo() << "Page Offsets Hint Table\n\n";
*m->log->getInfo() << "Page Offsets Hint Table\n\n";
dumpHPageOffset();
*this->m->log->getInfo() << "\nShared Objects Hint Table\n\n";
*m->log->getInfo() << "\nShared Objects Hint Table\n\n";
dumpHSharedObject();
if (this->m->outline_hints.nobjects > 0) {
*this->m->log->getInfo() << "\nOutlines Hint Table\n\n";
dumpHGeneric(this->m->outline_hints);
if (m->outline_hints.nobjects > 0) {
*m->log->getInfo() << "\nOutlines Hint Table\n\n";
dumpHGeneric(m->outline_hints);
}
}
@ -995,8 +990,8 @@ QPDF::adjusted_offset(qpdf_offset_t offset)
// All offsets >= H_offset have to be increased by H_length
// since all hint table location values disregard the hint table
// itself.
if (offset >= this->m->linp.H_offset) {
return offset + this->m->linp.H_length;
if (offset >= m->linp.H_offset) {
return offset + m->linp.H_length;
}
return offset;
}
@ -1004,8 +999,8 @@ QPDF::adjusted_offset(qpdf_offset_t offset)
void
QPDF::dumpHPageOffset()
{
HPageOffset& t = this->m->page_offset_hints;
*this->m->log->getInfo()
HPageOffset& t = m->page_offset_hints;
*m->log->getInfo()
<< "min_nobjects: " << t.min_nobjects << "\n"
<< "first_page_offset: " << adjusted_offset(t.first_page_offset) << "\n"
<< "nbits_delta_nobjects: " << t.nbits_delta_nobjects << "\n"
@ -1022,9 +1017,9 @@ QPDF::dumpHPageOffset()
<< "nbits_shared_numerator: " << t.nbits_shared_numerator << "\n"
<< "shared_denominator: " << t.shared_denominator << "\n";
for (size_t i1 = 0; i1 < toS(this->m->linp.npages); ++i1) {
for (size_t i1 = 0; i1 < toS(m->linp.npages); ++i1) {
HPageOffsetEntry& pe = t.entries.at(i1);
*this->m->log->getInfo()
*m->log->getInfo()
<< "Page " << i1 << ":\n"
<< " nobjects: " << pe.delta_nobjects + t.min_nobjects << "\n"
<< " length: " << pe.delta_page_length + t.min_page_length
@ -1036,10 +1031,10 @@ QPDF::dumpHPageOffset()
<< pe.delta_content_length + t.min_content_length << "\n"
<< " nshared_objects: " << pe.nshared_objects << "\n";
for (size_t i2 = 0; i2 < toS(pe.nshared_objects); ++i2) {
*this->m->log->getInfo() << " identifier " << i2 << ": "
<< pe.shared_identifiers.at(i2) << "\n";
*this->m->log->getInfo() << " numerator " << i2 << ": "
<< pe.shared_numerators.at(i2) << "\n";
*m->log->getInfo() << " identifier " << i2 << ": "
<< pe.shared_identifiers.at(i2) << "\n";
*m->log->getInfo() << " numerator " << i2 << ": "
<< pe.shared_numerators.at(i2) << "\n";
}
}
}
@ -1047,30 +1042,30 @@ QPDF::dumpHPageOffset()
void
QPDF::dumpHSharedObject()
{
HSharedObject& t = this->m->shared_object_hints;
*this->m->log->getInfo()
<< "first_shared_obj: " << t.first_shared_obj << "\n"
<< "first_shared_offset: " << adjusted_offset(t.first_shared_offset)
<< "\n"
<< "nshared_first_page: " << t.nshared_first_page << "\n"
<< "nshared_total: " << t.nshared_total << "\n"
<< "nbits_nobjects: " << t.nbits_nobjects << "\n"
<< "min_group_length: " << t.min_group_length << "\n"
<< "nbits_delta_group_length: " << t.nbits_delta_group_length << "\n";
HSharedObject& t = m->shared_object_hints;
*m->log->getInfo() << "first_shared_obj: " << t.first_shared_obj << "\n"
<< "first_shared_offset: "
<< adjusted_offset(t.first_shared_offset) << "\n"
<< "nshared_first_page: " << t.nshared_first_page << "\n"
<< "nshared_total: " << t.nshared_total << "\n"
<< "nbits_nobjects: " << t.nbits_nobjects << "\n"
<< "min_group_length: " << t.min_group_length << "\n"
<< "nbits_delta_group_length: "
<< t.nbits_delta_group_length << "\n";
for (size_t i = 0; i < toS(t.nshared_total); ++i) {
HSharedObjectEntry& se = t.entries.at(i);
*this->m->log->getInfo()
<< "Shared Object " << i << ":\n"
<< " group length: " << se.delta_group_length + t.min_group_length
<< "\n";
*m->log->getInfo() << "Shared Object " << i << ":\n"
<< " group length: "
<< se.delta_group_length + t.min_group_length
<< "\n";
// PDF spec says signature present nobjects_minus_one are
// always 0, so print them only if they have a non-zero value.
if (se.signature_present) {
*this->m->log->getInfo() << " signature present\n";
*m->log->getInfo() << " signature present\n";
}
if (se.nobjects_minus_one != 0) {
*this->m->log->getInfo()
*m->log->getInfo()
<< " nobjects: " << se.nobjects_minus_one + 1 << "\n";
}
}
@ -1079,12 +1074,11 @@ QPDF::dumpHSharedObject()
void
QPDF::dumpHGeneric(HGeneric& t)
{
*this->m->log->getInfo()
<< "first_object: " << t.first_object << "\n"
<< "first_object_offset: " << adjusted_offset(t.first_object_offset)
<< "\n"
<< "nobjects: " << t.nobjects << "\n"
<< "group_length: " << t.group_length << "\n";
*m->log->getInfo() << "first_object: " << t.first_object << "\n"
<< "first_object_offset: "
<< adjusted_offset(t.first_object_offset) << "\n"
<< "nobjects: " << t.nobjects << "\n"
<< "group_length: " << t.group_length << "\n";
}
void
@ -1097,7 +1091,7 @@ QPDF::calculateLinearizationData(std::map<int, int> const& object_stream_data)
// this function. Note that actual offsets and lengths are not
// computed here, but anything related to object ordering is.
if (this->m->object_to_obj_users.empty()) {
if (m->object_to_obj_users.empty()) {
// Note that we can't call optimize here because we don't know
// whether it should be called with or without allow changes.
throw std::logic_error(
@ -1152,15 +1146,15 @@ QPDF::calculateLinearizationData(std::map<int, int> const& object_stream_data)
// * outlines: part 6 or 9
this->m->part4.clear();
this->m->part6.clear();
this->m->part7.clear();
this->m->part8.clear();
this->m->part9.clear();
this->m->c_linp = LinParameters();
this->m->c_page_offset_data = CHPageOffset();
this->m->c_shared_object_data = CHSharedObject();
this->m->c_outline_data = HGeneric();
m->part4.clear();
m->part6.clear();
m->part7.clear();
m->part8.clear();
m->part9.clear();
m->c_linp = LinParameters();
m->c_page_offset_data = CHPageOffset();
m->c_shared_object_data = CHSharedObject();
m->c_outline_data = HGeneric();
QPDFObjectHandle root = getRoot();
bool outlines_in_first_page = false;
@ -1199,7 +1193,7 @@ QPDF::calculateLinearizationData(std::map<int, int> const& object_stream_data)
std::set<QPDFObjGen> lc_outlines;
std::set<QPDFObjGen> lc_root;
for (auto& oiter: this->m->object_to_obj_users) {
for (auto& oiter: m->object_to_obj_users) {
QPDFObjGen const& og = oiter.first;
std::set<ObjUser>& ous = oiter.second;
@ -1315,9 +1309,8 @@ QPDF::calculateLinearizationData(std::map<int, int> const& object_stream_data)
// npages is the size of the existing pages vector, which has been
// created by traversing the pages tree, and as such is a
// reasonable size.
this->m->c_linp.npages = npages;
this->m->c_page_offset_data.entries =
std::vector<CHPageOffsetEntry>(toS(npages));
m->c_linp.npages = npages;
m->c_page_offset_data.entries = std::vector<CHPageOffsetEntry>(toS(npages));
// Part 4: open document objects. We don't care about the order.
@ -1325,9 +1318,9 @@ QPDF::calculateLinearizationData(std::map<int, int> const& object_stream_data)
stopOnError("found other than one root while"
" calculating linearization data");
}
this->m->part4.push_back(getObject(*(lc_root.begin())));
m->part4.push_back(getObject(*(lc_root.begin())));
for (auto const& og: lc_open_document) {
this->m->part4.push_back(getObject(og));
m->part4.push_back(getObject(og));
}
// Part 6: first page objects. Note: implementation note 124
@ -1347,8 +1340,8 @@ QPDF::calculateLinearizationData(std::map<int, int> const& object_stream_data)
"object not in lc_first_page_private");
}
lc_first_page_private.erase(first_page_og);
this->m->c_linp.first_page_object = pages.at(0).getObjectID();
this->m->part6.push_back(pages.at(0));
m->c_linp.first_page_object = pages.at(0).getObjectID();
m->part6.push_back(pages.at(0));
// The PDF spec "recommends" an order for the rest of the objects,
// but we are going to disregard it except to the extent that it
@ -1356,16 +1349,16 @@ QPDF::calculateLinearizationData(std::map<int, int> const& object_stream_data)
// hint tables.
for (auto const& og: lc_first_page_private) {
this->m->part6.push_back(getObject(og));
m->part6.push_back(getObject(og));
}
for (auto const& og: lc_first_page_shared) {
this->m->part6.push_back(getObject(og));
m->part6.push_back(getObject(og));
}
// Place the outline dictionary if it goes in the first page section.
if (outlines_in_first_page) {
pushOutlinesToPart(this->m->part6, lc_outlines, object_stream_data);
pushOutlinesToPart(m->part6, lc_outlines, object_stream_data);
}
// Fill in page offset hint table information for the first page.
@ -1374,8 +1367,7 @@ QPDF::calculateLinearizationData(std::map<int, int> const& object_stream_data)
// in garbage values for all the shared object identifiers on the
// first page.
this->m->c_page_offset_data.entries.at(0).nobjects =
toI(this->m->part6.size());
m->c_page_offset_data.entries.at(0).nobjects = toI(m->part6.size());
// Part 7: other pages' private objects
@ -1391,23 +1383,23 @@ QPDF::calculateLinearizationData(std::map<int, int> const& object_stream_data)
std::to_string(i) + " not in lc_other_page_private");
}
lc_other_page_private.erase(page_og);
this->m->part7.push_back(pages.at(i));
m->part7.push_back(pages.at(i));
// Place all non-shared objects referenced by this page,
// updating the page object count for the hint table.
this->m->c_page_offset_data.entries.at(i).nobjects = 1;
m->c_page_offset_data.entries.at(i).nobjects = 1;
ObjUser ou(ObjUser::ou_page, toI(i));
if (this->m->obj_user_to_objects.count(ou) == 0) {
if (m->obj_user_to_objects.count(ou) == 0) {
stopOnError("found unreferenced page while"
" calculating linearization data");
}
for (auto const& og: this->m->obj_user_to_objects[ou]) {
for (auto const& og: m->obj_user_to_objects[ou]) {
if (lc_other_page_private.count(og)) {
lc_other_page_private.erase(og);
this->m->part7.push_back(getObject(og));
++this->m->c_page_offset_data.entries.at(i).nobjects;
m->part7.push_back(getObject(og));
++m->c_page_offset_data.entries.at(i).nobjects;
}
}
}
@ -1423,7 +1415,7 @@ QPDF::calculateLinearizationData(std::map<int, int> const& object_stream_data)
// Order is unimportant.
for (auto const& og: lc_other_page_shared) {
this->m->part8.push_back(getObject(og));
m->part8.push_back(getObject(og));
}
// Part 9: other objects
@ -1437,7 +1429,7 @@ QPDF::calculateLinearizationData(std::map<int, int> const& object_stream_data)
// Place the pages tree.
std::set<QPDFObjGen> pages_ogs =
this->m->obj_user_to_objects[ObjUser(ObjUser::ou_root_key, "/Pages")];
m->obj_user_to_objects[ObjUser(ObjUser::ou_root_key, "/Pages")];
if (pages_ogs.empty()) {
stopOnError("found empty pages tree while"
" calculating linearization data");
@ -1445,7 +1437,7 @@ QPDF::calculateLinearizationData(std::map<int, int> const& object_stream_data)
for (auto const& og: pages_ogs) {
if (lc_other.count(og)) {
lc_other.erase(og);
this->m->part9.push_back(getObject(og));
m->part9.push_back(getObject(og));
}
}
@ -1460,7 +1452,7 @@ QPDF::calculateLinearizationData(std::map<int, int> const& object_stream_data)
QPDFObjGen thumb_og(thumb.getObjGen());
if (lc_thumbnail_private.count(thumb_og)) {
lc_thumbnail_private.erase(thumb_og);
this->m->part9.push_back(thumb);
m->part9.push_back(thumb);
} else {
// No internal error this time...there's nothing to
// stop this object from having been referred to
@ -1475,7 +1467,7 @@ QPDF::calculateLinearizationData(std::map<int, int> const& object_stream_data)
for (auto const& og: ogs) {
if (lc_thumbnail_private.count(og)) {
lc_thumbnail_private.erase(og);
this->m->part9.push_back(getObject(og));
m->part9.push_back(getObject(og));
}
}
}
@ -1488,24 +1480,24 @@ QPDF::calculateLinearizationData(std::map<int, int> const& object_stream_data)
// Place shared thumbnail objects
for (auto const& og: lc_thumbnail_shared) {
this->m->part9.push_back(getObject(og));
m->part9.push_back(getObject(og));
}
// Place outlines unless in first page
if (!outlines_in_first_page) {
pushOutlinesToPart(this->m->part9, lc_outlines, object_stream_data);
pushOutlinesToPart(m->part9, lc_outlines, object_stream_data);
}
// Place all remaining objects
for (auto const& og: lc_other) {
this->m->part9.push_back(getObject(og));
m->part9.push_back(getObject(og));
}
// Make sure we got everything exactly once.
size_t num_placed = this->m->part4.size() + this->m->part6.size() +
this->m->part7.size() + this->m->part8.size() + this->m->part9.size();
size_t num_wanted = this->m->object_to_obj_users.size();
size_t num_placed = m->part4.size() + m->part6.size() + m->part7.size() +
m->part8.size() + m->part9.size();
size_t num_wanted = m->object_to_obj_users.size();
if (num_placed != num_wanted) {
stopOnError(
"INTERNAL ERROR: QPDF::calculateLinearizationData: wrong "
@ -1527,31 +1519,27 @@ QPDF::calculateLinearizationData(std::map<int, int> const& object_stream_data)
// can map from object number only without regards to generation.
std::map<int, int> obj_to_index;
this->m->c_shared_object_data.nshared_first_page =
toI(this->m->part6.size());
this->m->c_shared_object_data.nshared_total =
this->m->c_shared_object_data.nshared_first_page +
toI(this->m->part8.size());
m->c_shared_object_data.nshared_first_page = toI(m->part6.size());
m->c_shared_object_data.nshared_total =
m->c_shared_object_data.nshared_first_page + toI(m->part8.size());
std::vector<CHSharedObjectEntry>& shared =
this->m->c_shared_object_data.entries;
for (auto& oh: this->m->part6) {
std::vector<CHSharedObjectEntry>& shared = m->c_shared_object_data.entries;
for (auto& oh: m->part6) {
int obj = oh.getObjectID();
obj_to_index[obj] = toI(shared.size());
shared.push_back(CHSharedObjectEntry(obj));
}
QTC::TC("qpdf", "QPDF lin part 8 empty", this->m->part8.empty() ? 1 : 0);
if (!this->m->part8.empty()) {
this->m->c_shared_object_data.first_shared_obj =
this->m->part8.at(0).getObjectID();
for (auto& oh: this->m->part8) {
QTC::TC("qpdf", "QPDF lin part 8 empty", m->part8.empty() ? 1 : 0);
if (!m->part8.empty()) {
m->c_shared_object_data.first_shared_obj = m->part8.at(0).getObjectID();
for (auto& oh: m->part8) {
int obj = oh.getObjectID();
obj_to_index[obj] = toI(shared.size());
shared.push_back(CHSharedObjectEntry(obj));
}
}
if (static_cast<size_t>(this->m->c_shared_object_data.nshared_total) !=
this->m->c_shared_object_data.entries.size()) {
if (static_cast<size_t>(m->c_shared_object_data.nshared_total) !=
m->c_shared_object_data.entries.size()) {
stopOnError("shared object hint table has wrong number of entries");
}
@ -1559,14 +1547,14 @@ QPDF::calculateLinearizationData(std::map<int, int> const& object_stream_data)
// first page.
for (size_t i = 1; i < toS(npages); ++i) {
CHPageOffsetEntry& pe = this->m->c_page_offset_data.entries.at(i);
CHPageOffsetEntry& pe = m->c_page_offset_data.entries.at(i);
ObjUser ou(ObjUser::ou_page, toI(i));
if (this->m->obj_user_to_objects.count(ou) == 0) {
if (m->obj_user_to_objects.count(ou) == 0) {
stopOnError("found unreferenced page while"
" calculating linearization data");
}
for (auto const& og: this->m->obj_user_to_objects[ou]) {
if ((this->m->object_to_obj_users[og].size() > 1) &&
for (auto const& og: m->obj_user_to_objects[ou]) {
if ((m->object_to_obj_users[og].size() > 1) &&
(obj_to_index.count(og.getObj()) > 0)) {
int idx = obj_to_index[og.getObj()];
++pe.nshared_objects;
@ -1592,16 +1580,16 @@ QPDF::pushOutlinesToPart(
QTC::TC(
"qpdf",
"QPDF lin outlines in part",
((&part == (&this->m->part6)) ? 0
: (&part == (&this->m->part9)) ? 1
: 9999)); // can't happen
this->m->c_outline_data.first_object = outlines_og.getObj();
this->m->c_outline_data.nobjects = 1;
((&part == (&m->part6)) ? 0
: (&part == (&m->part9)) ? 1
: 9999)); // can't happen
m->c_outline_data.first_object = outlines_og.getObj();
m->c_outline_data.nobjects = 1;
lc_outlines.erase(outlines_og);
part.push_back(outlines);
for (auto const& og: lc_outlines) {
part.push_back(getObject(og));
++this->m->c_outline_data.nobjects;
++m->c_outline_data.nobjects;
}
}
@ -1615,11 +1603,11 @@ QPDF::getLinearizedParts(
std::vector<QPDFObjectHandle>& part9)
{
calculateLinearizationData(object_stream_data);
part4 = this->m->part4;
part6 = this->m->part6;
part7 = this->m->part7;
part8 = this->m->part8;
part9 = this->m->part9;
part4 = m->part4;
part6 = m->part6;
part7 = m->part7;
part8 = m->part8;
part9 = m->part9;
}
static inline int
@ -1668,7 +1656,7 @@ QPDF::calculateHPageOffset(
std::vector<QPDFObjectHandle> const& pages = getAllPages();
size_t npages = pages.size();
CHPageOffset& cph = this->m->c_page_offset_data;
CHPageOffset& cph = m->c_page_offset_data;
std::vector<CHPageOffsetEntry>& cphe = cph.entries;
// Calculate minimum and maximum values for number of objects per
@ -1681,7 +1669,7 @@ QPDF::calculateHPageOffset(
int max_length = min_length;
int max_shared = cphe.at(0).nshared_objects;
HPageOffset& ph = this->m->page_offset_hints;
HPageOffset& ph = m->page_offset_hints;
std::vector<HPageOffsetEntry>& phe = ph.entries;
// npages is the size of the existing pages array.
phe = std::vector<HPageOffsetEntry>(npages);
@ -1717,8 +1705,7 @@ QPDF::calculateHPageOffset(
ph.min_page_length = min_length;
ph.nbits_delta_page_length = nbits(max_length - min_length);
ph.nbits_nshared_objects = nbits(max_shared);
ph.nbits_shared_identifier =
nbits(this->m->c_shared_object_data.nshared_total);
ph.nbits_shared_identifier = nbits(m->c_shared_object_data.nshared_total);
ph.shared_denominator = 4; // doesn't matter
// It isn't clear how to compute content offset and content
@ -1754,9 +1741,9 @@ QPDF::calculateHSharedObject(
std::map<int, qpdf_offset_t> const& lengths,
std::map<int, int> const& obj_renumber)
{
CHSharedObject& cso = this->m->c_shared_object_data;
CHSharedObject& cso = m->c_shared_object_data;
std::vector<CHSharedObjectEntry>& csoe = cso.entries;
HSharedObject& so = this->m->shared_object_hints;
HSharedObject& so = m->shared_object_hints;
std::vector<HSharedObjectEntry>& soe = so.entries;
soe.clear();
@ -1804,13 +1791,13 @@ QPDF::calculateHOutline(
std::map<int, qpdf_offset_t> const& lengths,
std::map<int, int> const& obj_renumber)
{
HGeneric& cho = this->m->c_outline_data;
HGeneric& cho = m->c_outline_data;
if (cho.nobjects == 0) {
return;
}
HGeneric& ho = this->m->outline_hints;
HGeneric& ho = m->outline_hints;
ho.first_object = (*(obj_renumber.find(cho.first_object))).second;
ho.first_object_offset = (*(xref.find(ho.first_object))).second.getOffset();
@ -1861,7 +1848,7 @@ write_vector_vector(
void
QPDF::writeHPageOffset(BitWriter& w)
{
HPageOffset& t = this->m->page_offset_hints;
HPageOffset& t = m->page_offset_hints;
w.writeBitsInt(t.min_nobjects, 32); // 1
w.writeBitsInt(toI(t.first_page_offset), 32); // 2
@ -1929,7 +1916,7 @@ QPDF::writeHPageOffset(BitWriter& w)
void
QPDF::writeHSharedObject(BitWriter& w)
{
HSharedObject& t = this->m->shared_object_hints;
HSharedObject& t = m->shared_object_hints;
w.writeBitsInt(t.first_shared_obj, 32); // 1
w.writeBitsInt(toI(t.first_shared_offset), 32); // 2
@ -2004,9 +1991,9 @@ QPDF::generateHintStream(
S = toI(c.getCount());
writeHSharedObject(w);
O = 0;
if (this->m->outline_hints.nobjects > 0) {
if (m->outline_hints.nobjects > 0) {
O = toI(c.getCount());
writeHGeneric(w, this->m->outline_hints);
writeHGeneric(w, m->outline_hints);
}
c.finish();

44
libqpdf/QPDF_optimization.cc
View File

@ -59,7 +59,7 @@ QPDF::optimize(
bool allow_changes,
std::function<int(QPDFObjectHandle&)> skip_stream_parameters)
{
if (!this->m->obj_user_to_objects.empty()) {
if (!m->obj_user_to_objects.empty()) {
// already optimized
return;
}
@ -77,26 +77,26 @@ QPDF::optimize(
}
// Traverse pages tree pushing all inherited resources down to the
// page level. This also initializes this->m->all_pages.
// page level. This also initializes m->all_pages.
pushInheritedAttributesToPage(allow_changes, false);
// Traverse pages
int n = toI(this->m->all_pages.size());
int n = toI(m->all_pages.size());
for (int pageno = 0; pageno < n; ++pageno) {
updateObjectMaps(
ObjUser(ObjUser::ou_page, pageno),
this->m->all_pages.at(toS(pageno)),
m->all_pages.at(toS(pageno)),
skip_stream_parameters);
}
// Traverse document-level items
for (auto const& key: this->m->trailer.getKeys()) {
for (auto const& key: m->trailer.getKeys()) {
if (key == "/Root") {
// handled separately
} else {
updateObjectMaps(
ObjUser(ObjUser::ou_trailer_key, key),
this->m->trailer.getKey(key),
m->trailer.getKey(key),
skip_stream_parameters);
}
}
@ -116,8 +116,8 @@ QPDF::optimize(
ObjUser root_ou = ObjUser(ObjUser::ou_root);
auto root_og = QPDFObjGen(root.getObjGen());
this->m->obj_user_to_objects[root_ou].insert(root_og);
this->m->object_to_obj_users[root_og].insert(root_ou);
m->obj_user_to_objects[root_ou].insert(root_og);
m->object_to_obj_users[root_og].insert(root_ou);
filterCompressedObjects(object_stream_data);
}
@ -138,7 +138,7 @@ QPDF::pushInheritedAttributesToPage(bool allow_changes, bool warn_skipped_keys)
// The record of whether we've done this is cleared by
// updateAllPagesCache(). If we're warning for skipped keys,
// re-traverse unconditionally.
if (this->m->pushed_inherited_attributes_to_pages && (!warn_skipped_keys)) {
if (m->pushed_inherited_attributes_to_pages && (!warn_skipped_keys)) {
return;
}
@ -151,7 +151,7 @@ QPDF::pushInheritedAttributesToPage(bool allow_changes, bool warn_skipped_keys)
// Pages nodes that contain values for them.
std::map<std::string, std::vector<QPDFObjectHandle>> key_ancestors;
pushInheritedAttributesToPageInternal(
this->m->trailer.getKey("/Root").getKey("/Pages"),
m->trailer.getKey("/Root").getKey("/Pages"),
key_ancestors,
allow_changes,
warn_skipped_keys);
@ -159,8 +159,8 @@ QPDF::pushInheritedAttributesToPage(bool allow_changes, bool warn_skipped_keys)
throw std::logic_error("key_ancestors not empty after"
" pushing inherited attributes to pages");
}
this->m->pushed_inherited_attributes_to_pages = true;
this->m->ever_pushed_inherited_attributes_to_pages = true;
m->pushed_inherited_attributes_to_pages = true;
m->ever_pushed_inherited_attributes_to_pages = true;
}
void
@ -182,9 +182,9 @@ QPDF::pushInheritedAttributesToPageInternal(
if (!allow_changes) {
throw QPDFExc(
qpdf_e_internal,
this->m->file->getName(),
this->m->last_object_description,
this->m->file->getLastOffset(),
m->file->getName(),
m->last_object_description,
m->file->getLastOffset(),
"optimize detected an "
"inheritable attribute when called "
"in no-change mode");
@ -226,7 +226,7 @@ QPDF::pushInheritedAttributesToPageInternal(
setLastObjectDescription("Pages object", cur_pages.getObjGen());
warn(
qpdf_e_pages,
this->m->last_object_description,
m->last_object_description,
0,
("Unknown key " + key +
" in /Pages object"
@ -314,8 +314,8 @@ QPDF::updateObjectMapsInternal(
QTC::TC("qpdf", "QPDF opt loop detected");
return;
}
this->m->obj_user_to_objects[ou].insert(og);
this->m->object_to_obj_users[og].insert(ou);
m->obj_user_to_objects[ou].insert(og);
m->object_to_obj_users[og].insert(ou);
}
if (oh.isArray()) {
@ -380,7 +380,7 @@ QPDF::filterCompressedObjects(std::map<int, int> const& object_stream_data)
std::map<ObjUser, std::set<QPDFObjGen>> t_obj_user_to_objects;
std::map<QPDFObjGen, std::set<ObjUser>> t_object_to_obj_users;
for (auto const& i1: this->m->obj_user_to_objects) {
for (auto const& i1: m->obj_user_to_objects) {
ObjUser const& ou = i1.first;
// Loop over objects.
for (auto const& og: i1.second) {
@ -393,7 +393,7 @@ QPDF::filterCompressedObjects(std::map<int, int> const& object_stream_data)
}
}
for (auto const& i1: this->m->object_to_obj_users) {
for (auto const& i1: m->object_to_obj_users) {
QPDFObjGen const& og = i1.first;
// Loop over obj_users.
for (auto const& ou: i1.second) {
@ -406,6 +406,6 @@ QPDF::filterCompressedObjects(std::map<int, int> const& object_stream_data)
}
}
this->m->obj_user_to_objects = t_obj_user_to_objects;
this->m->object_to_obj_users = t_object_to_obj_users;
m->obj_user_to_objects = t_obj_user_to_objects;
m->object_to_obj_users = t_object_to_obj_users;
}

59
libqpdf/QPDF_pages.cc
View File

@ -52,9 +52,9 @@ std::vector<QPDFObjectHandle> const&
QPDF::getAllPages()
{
// Note that pushInheritedAttributesToPage may also be used to
// initialize this->m->all_pages.
if (this->m->all_pages.empty()) {
this->m->ever_called_get_all_pages = true;
// initialize m->all_pages.
if (m->all_pages.empty()) {
m->ever_called_get_all_pages = true;
QPDFObjGen::set visited;
QPDFObjGen::set seen;
QPDFObjectHandle pages = getRoot().getKey("/Pages");
@ -86,7 +86,7 @@ QPDF::getAllPages()
getAllPagesInternal(pages, visited, seen);
}
}
return this->m->all_pages;
return m->all_pages;
}
void
@ -96,8 +96,8 @@ QPDF::getAllPagesInternal(
if (!visited.add(cur_node)) {
throw QPDFExc(
qpdf_e_pages,
this->m->file->getName(),
this->m->last_object_description,
m->file->getName(),
m->last_object_description,
0,
"Loop detected in /Pages structure (getAllPages)");
}
@ -150,9 +150,9 @@ QPDF::updateAllPagesCache()
// it that they got from calls to getAllPages(). We can defer
// recalculation of pageobj_to_pages_pos until needed.
QTC::TC("qpdf", "QPDF updateAllPagesCache");
this->m->all_pages.clear();
this->m->pageobj_to_pages_pos.clear();
this->m->pushed_inherited_attributes_to_pages = false;
m->all_pages.clear();
m->pageobj_to_pages_pos.clear();
m->pushed_inherited_attributes_to_pages = false;
getAllPages();
}
@ -162,27 +162,27 @@ QPDF::flattenPagesTree()
// If not already done, flatten the /Pages structure and
// initialize pageobj_to_pages_pos.
if (!this->m->pageobj_to_pages_pos.empty()) {
if (!m->pageobj_to_pages_pos.empty()) {
return;
}
// Push inherited objects down to the /Page level. As a side
// effect this->m->all_pages will also be generated.
// effect m->all_pages will also be generated.
pushInheritedAttributesToPage(true, true);
QPDFObjectHandle pages = getRoot().getKey("/Pages");
size_t const len = this->m->all_pages.size();
size_t const len = m->all_pages.size();
for (size_t pos = 0; pos < len; ++pos) {
// Populate pageobj_to_pages_pos and fix parent pointer. There
// should be no duplicates at this point because
// pushInheritedAttributesToPage calls getAllPages which
// resolves duplicates.
insertPageobjToPage(this->m->all_pages.at(pos), toI(pos), true);
this->m->all_pages.at(pos).replaceKey("/Parent", pages);
insertPageobjToPage(m->all_pages.at(pos), toI(pos), true);
m->all_pages.at(pos).replaceKey("/Parent", pages);
}
pages.replaceKey("/Kids", QPDFObjectHandle::newArray(this->m->all_pages));
pages.replaceKey("/Kids", QPDFObjectHandle::newArray(m->all_pages));
// /Count has not changed
if (pages.getKey("/Count").getUIntValue() != len) {
throw std::runtime_error("/Count is wrong after flattening pages tree");
@ -195,22 +195,21 @@ QPDF::insertPageobjToPage(
{
QPDFObjGen og(obj.getObjGen());
if (check_duplicate) {
if (!this->m->pageobj_to_pages_pos.insert(std::make_pair(og, pos))
.second) {
if (!m->pageobj_to_pages_pos.insert(std::make_pair(og, pos)).second) {
// The library never calls insertPageobjToPage in a way
// that causes this to happen.
setLastObjectDescription(
"page " + std::to_string(pos) + " (numbered from zero)", og);
throw QPDFExc(
qpdf_e_pages,
this->m->file->getName(),
this->m->last_object_description,
m->file->getName(),
m->last_object_description,
0,
"duplicate page reference found;"
" this would cause loss of data");
}
} else {
this->m->pageobj_to_pages_pos[og] = pos;
m->pageobj_to_pages_pos[og] = pos;
}
}
@ -247,7 +246,7 @@ QPDF::insertPage(QPDFObjectHandle newpage, int pos)
2); // insert in middle
auto og = newpage.getObjGen();
if (this->m->pageobj_to_pages_pos.count(og)) {
if (m->pageobj_to_pages_pos.count(og)) {
QTC::TC("qpdf", "QPDF resolve duplicated page in insert");
newpage = makeIndirectObject(QPDFObjectHandle(newpage).shallowCopy());
}
@ -259,9 +258,9 @@ QPDF::insertPage(QPDFObjectHandle newpage, int pos)
kids.insertItem(pos, newpage);
int npages = kids.getArrayNItems();
pages.replaceKey("/Count", QPDFObjectHandle::newInteger(npages));
this->m->all_pages.insert(this->m->all_pages.begin() + pos, newpage);
m->all_pages.insert(m->all_pages.begin() + pos, newpage);
for (int i = pos + 1; i < npages; ++i) {
insertPageobjToPage(this->m->all_pages.at(toS(i)), i, false);
insertPageobjToPage(m->all_pages.at(toS(i)), i, false);
}
insertPageobjToPage(newpage, pos, true);
}
@ -284,10 +283,10 @@ QPDF::removePage(QPDFObjectHandle page)
kids.eraseItem(pos);
int npages = kids.getArrayNItems();
pages.replaceKey("/Count", QPDFObjectHandle::newInteger(npages));
this->m->all_pages.erase(this->m->all_pages.begin() + pos);
this->m->pageobj_to_pages_pos.erase(page.getObjGen());
m->all_pages.erase(m->all_pages.begin() + pos);
m->pageobj_to_pages_pos.erase(page.getObjGen());
for (int i = pos; i < npages; ++i) {
insertPageobjToPage(this->m->all_pages.at(toS(i)), i, false);
insertPageobjToPage(m->all_pages.at(toS(i)), i, false);
}
}
@ -323,14 +322,14 @@ int
QPDF::findPage(QPDFObjGen const& og)
{
flattenPagesTree();
auto it = this->m->pageobj_to_pages_pos.find(og);
if (it == this->m->pageobj_to_pages_pos.end()) {
auto it = m->pageobj_to_pages_pos.find(og);
if (it == m->pageobj_to_pages_pos.end()) {
QTC::TC("qpdf", "QPDF_pages findPage not found");
setLastObjectDescription("page object", og);
throw QPDFExc(
qpdf_e_pages,
this->m->file->getName(),
this->m->last_object_description,
m->file->getName(),
m->last_object_description,
0,
"page object not referenced in /Pages tree");
}