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qpdf/qpdf/test_driver.cc

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// This program tests miscellaneous functionality in the qpdf library
// that we don't want to pollute the qpdf program with.
#include <qpdf/QPDF.hh>
#include <qpdf/QPDFPageDocumentHelper.hh>
#include <qpdf/QPDFPageObjectHelper.hh>
#include <qpdf/QPDFAcroFormDocumentHelper.hh>
#include <qpdf/QPDFNumberTreeObjectHelper.hh>
#include <qpdf/QPDFNameTreeObjectHelper.hh>
#include <qpdf/QPDFPageLabelDocumentHelper.hh>
#include <qpdf/QPDFOutlineDocumentHelper.hh>
#include <qpdf/QPDFEmbeddedFileDocumentHelper.hh>
#include <qpdf/QUtil.hh>
#include <qpdf/QTC.hh>
#include <qpdf/Pl_StdioFile.hh>
#include <qpdf/Pl_Buffer.hh>
#include <qpdf/Pl_Flate.hh>
#include <qpdf/Pl_Discard.hh>
#include <qpdf/QPDFWriter.hh>
#include <qpdf/QPDFSystemError.hh>
#include <qpdf/QIntC.hh>
#include <iostream>
#include <sstream>
#include <algorithm>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <assert.h>
#include <limits.h>
#include <map>
static char const* whoami = 0;
void usage()
{
std::cerr << "Usage: " << whoami << " n filename1 [arg2]"
<< std::endl;
exit(2);
}
class Provider: public QPDFObjectHandle::StreamDataProvider
{
public:
Provider(PointerHolder<Buffer> b) :
b(b),
bad_length(false)
{
}
virtual ~Provider()
{
}
virtual void provideStreamData(int objid, int generation,
Pipeline* p)
{
p->write(b->getBuffer(), b->getSize());
if (this->bad_length)
{
unsigned char ch = ' ';
p->write(&ch, 1);
}
p->finish();
}
void badLength(bool v)
{
this->bad_length = v;
}
private:
PointerHolder<Buffer> b;
bool bad_length;
};
class ParserCallbacks: public QPDFObjectHandle::ParserCallbacks
{
public:
virtual ~ParserCallbacks()
{
}
virtual void contentSize(size_t size);
virtual void handleObject(QPDFObjectHandle, size_t, size_t);
virtual void handleEOF();
};
void
ParserCallbacks::contentSize(size_t size)
{
std::cout << "content size: " << size << std::endl;
}
void
ParserCallbacks::handleObject(QPDFObjectHandle obj,
size_t offset, size_t length)
{
if (obj.isName() && (obj.getName() == "/Abort"))
{
std::cout << "test suite: terminating parsing" << std::endl;
terminateParsing();
}
std::cout << obj.getTypeName() << ", offset=" << offset
<< ", length=" << length << ": ";
if (obj.isInlineImage())
{
// Exercise getTypeCode
assert(obj.getTypeCode() == QPDFObject::ot_inlineimage);
std::cout << QUtil::hex_encode(obj.getInlineImageValue()) << std::endl;
}
else
{
std::cout << obj.unparse() << std::endl;
}
}
void
ParserCallbacks::handleEOF()
{
std::cout << "-EOF-" << std::endl;
}
class TokenFilter: public QPDFObjectHandle::TokenFilter
{
public:
TokenFilter()
{
}
virtual ~TokenFilter()
{
}
virtual void handleToken(QPDFTokenizer::Token const& t)
{
if (t == QPDFTokenizer::Token(QPDFTokenizer::tt_string, "Potato"))
{
// Exercise unparsing of strings by token constructor
writeToken(
QPDFTokenizer::Token(QPDFTokenizer::tt_string, "Salad"));
}
else
{
writeToken(t);
}
}
virtual void handleEOF()
{
writeToken(QPDFTokenizer::Token(QPDFTokenizer::tt_name, "/bye"));
write("\n");
}
};
static std::string getPageContents(QPDFObjectHandle page)
{
PointerHolder<Buffer> b1 =
page.getKey("/Contents").getStreamData();
return std::string(
reinterpret_cast<char *>(b1->getBuffer()), b1->getSize()) + "\0";
}
static void checkPageContents(QPDFObjectHandle page,
std::string const& wanted_string)
{
std::string contents = getPageContents(page);
if (contents.find(wanted_string) == std::string::npos)
{
std::cout << "didn't find " << wanted_string << " in "
<< contents << std::endl;
}
}
static QPDFObjectHandle createPageContents(QPDF& pdf, std::string const& text)
{
std::string contents = "BT /F1 15 Tf 72 720 Td (" + text + ") Tj ET\n";
return QPDFObjectHandle::newStream(&pdf, contents);
}
static void print_rect(std::ostream& out,
QPDFObjectHandle::Rectangle const& r)
{
out << "[" << r.llx << ", " << r.lly << ", "
<< r.urx << ", " << r.ury << "]";
}
#define assert_compare_numbers(expected, expr) \
compare_numbers(#expr, expected, expr)
template <typename T1, typename T2>
static void compare_numbers(
char const* description, T1 const& expected, T2 const& actual)
{
if (expected != actual)
{
std::cerr << description << ": expected = " << expected
<< "; actual = " << actual << std::endl;
}
}
static void test_0_1(QPDF& pdf, char const* arg2)
{
QPDFObjectHandle trailer = pdf.getTrailer();
QPDFObjectHandle qtest = trailer.getKey("/QTest");
if (! trailer.hasKey("/QTest"))
{
// This will always happen when /QTest is null because
// hasKey returns false for null keys regardless of
// whether the key exists or not. That way there's never
// any difference between a key that is present and null
// and a key that is absent.
QTC::TC("qpdf", "main QTest implicit");
std::cout << "/QTest is implicit" << std::endl;
}
QTC::TC("qpdf", "main QTest indirect",
qtest.isIndirect() ? 1 : 0);
std::cout << "/QTest is "
<< (qtest.isIndirect() ? "in" : "")
<< "direct and has type "
<< qtest.getTypeName()
<< " (" << qtest.getTypeCode() << ")" << std::endl;
if (qtest.isNull())
{
QTC::TC("qpdf", "main QTest null");
std::cout << "/QTest is null" << std::endl;
}
else if (qtest.isBool())
{
QTC::TC("qpdf", "main QTest bool",
qtest.getBoolValue() ? 1 : 0);
std::cout << "/QTest is Boolean with value "
<< (qtest.getBoolValue() ? "true" : "false")
<< std::endl;
}
else if (qtest.isInteger())
{
QTC::TC("qpdf", "main QTest int");
std::cout << "/QTest is an integer with value "
<< qtest.getIntValue() << std::endl;
}
else if (qtest.isReal())
{
QTC::TC("qpdf", "main QTest real");
std::cout << "/QTest is a real number with value "
<< qtest.getRealValue() << std::endl;
}
else if (qtest.isName())
{
QTC::TC("qpdf", "main QTest name");
std::cout << "/QTest is a name with value "
<< qtest.getName() << std::endl;
}
else if (qtest.isString())
{
QTC::TC("qpdf", "main QTest string");
std::cout << "/QTest is a string with value "
<< qtest.getStringValue() << std::endl;
}
else if (qtest.isArray())
{
QTC::TC("qpdf", "main QTest array");
std::cout << "/QTest is an array with "
<< qtest.getArrayNItems() << " items" << std::endl;
int i = 0;
for (auto& iter: qtest.aitems())
{
QTC::TC("qpdf", "main QTest array indirect",
iter.isIndirect() ? 1 : 0);
std::cout << " item " << i << " is "
<< (iter.isIndirect() ? "in" : "")
<< "direct" << std::endl;
++i;
}
}
else if (qtest.isDictionary())
{
QTC::TC("qpdf", "main QTest dictionary");
std::cout << "/QTest is a dictionary" << std::endl;
for (auto& iter: qtest.ditems())
{
QTC::TC("qpdf", "main QTest dictionary indirect",
iter.second.isIndirect() ? 1 : 0);
std::cout << " " << iter.first << " is "
<< (iter.second.isIndirect() ? "in" : "")
<< "direct" << std::endl;
}
}
else if (qtest.isStream())
{
QTC::TC("qpdf", "main QTest stream");
std::cout << "/QTest is a stream. Dictionary: "
<< qtest.getDict().unparse() << std::endl;
std::cout << "Raw stream data:" << std::endl;
std::cout.flush();
QUtil::binary_stdout();
PointerHolder<Pl_StdioFile> out = new Pl_StdioFile("raw", stdout);
qtest.pipeStreamData(out.getPointer(), 0, qpdf_dl_none);
std::cout << std::endl << "Uncompressed stream data:" << std::endl;
if (qtest.pipeStreamData(0, 0, qpdf_dl_all))
{
std::cout.flush();
QUtil::binary_stdout();
out = new Pl_StdioFile("filtered", stdout);
qtest.pipeStreamData(out.getPointer(), 0, qpdf_dl_all);
std::cout << std::endl << "End of stream data" << std::endl;
}
else
{
std::cout << "Stream data is not filterable." << std::endl;
}
}
else
{
// Should not happen!
std::cout << "/QTest is an unknown object" << std::endl;
}
std::cout << "unparse: " << qtest.unparse() << std::endl
<< "unparseResolved: " << qtest.unparseResolved()
<< std::endl;
}
static void test_2(QPDF& pdf, char const* arg2)
{
// Encrypted file. This test case is designed for a specific
// PDF file.
QPDFObjectHandle trailer = pdf.getTrailer();
std::cout << trailer.getKey("/Info").
getKey("/CreationDate").getStringValue() << std::endl;
std::cout << trailer.getKey("/Info").
getKey("/Producer").getStringValue() << std::endl;
QPDFObjectHandle encrypt = trailer.getKey("/Encrypt");
std::cout << encrypt.getKey("/O").unparse() << std::endl;
std::cout << encrypt.getKey("/U").unparse() << std::endl;
QPDFObjectHandle root = pdf.getRoot();
QPDFObjectHandle pages = root.getKey("/Pages");
QPDFObjectHandle kids = pages.getKey("/Kids");
QPDFObjectHandle page = kids.getArrayItem(1); // second page
QPDFObjectHandle contents = page.getKey("/Contents");
QUtil::binary_stdout();
PointerHolder<Pl_StdioFile> out = new Pl_StdioFile("filtered", stdout);
contents.pipeStreamData(out.getPointer(), 0, qpdf_dl_generalized);
}
static void test_3(QPDF& pdf, char const* arg2)
{
QPDFObjectHandle streams = pdf.getTrailer().getKey("/QStreams");
for (int i = 0; i < streams.getArrayNItems(); ++i)
{
QPDFObjectHandle stream = streams.getArrayItem(i);
std::cout << "-- stream " << i << " --" << std::endl;
std::cout.flush();
QUtil::binary_stdout();
PointerHolder<Pl_StdioFile> out =
new Pl_StdioFile("tokenized stream", stdout);
stream.pipeStreamData(out.getPointer(),
qpdf_ef_normalize, qpdf_dl_generalized);
}
}
static void test_4(QPDF& pdf, char const* arg2)
{
// Mutability testing: Make /QTest direct recursively, then
// copy to /Info. Also make some other mutations so we can
// tell the difference and ensure that the original /QTest
// isn't effected.
QPDFObjectHandle trailer = pdf.getTrailer();
QPDFObjectHandle qtest = trailer.getKey("/QTest");
qtest.makeDirect();
qtest.removeKey("/Subject");
qtest.replaceKey("/Author",
QPDFObjectHandle::newString("Mr. Potato Head"));
// qtest.A and qtest.B.A were originally the same object.
// They no longer are after makeDirect(). Mutate one of them
// and ensure the other is not changed. These test cases are
// crafted around a specific set of input files.
QPDFObjectHandle A = qtest.getKey("/A");
if (A.getArrayItem(0).getIntValue() == 1)
{
// Test mutators
A.setArrayItem(1, QPDFObjectHandle::newInteger(5)); // 1 5 3
A.insertItem(2, QPDFObjectHandle::newInteger(10)); // 1 5 10 3
A.appendItem(QPDFObjectHandle::newInteger(12)); // 1 5 10 3 12
A.eraseItem(3); // 1 5 10 12
A.insertItem(4, QPDFObjectHandle::newInteger(6)); // 1 5 10 12 6
A.insertItem(0, QPDFObjectHandle::newInteger(9)); // 9 1 5 10 12 6
}
else
{
std::vector<QPDFObjectHandle> items;
items.push_back(QPDFObjectHandle::newInteger(14));
items.push_back(QPDFObjectHandle::newInteger(15));
items.push_back(QPDFObjectHandle::newInteger(9));
A.setArrayFromVector(items);
}
QPDFObjectHandle qtest2 = trailer.getKey("/QTest2");
if (! qtest2.isNull())
{
// Test allow_streams=true
qtest2.makeDirect(true);
trailer.replaceKey("/QTest2", qtest2);
}
trailer.replaceKey("/Info", pdf.makeIndirectObject(qtest));
QPDFWriter w(pdf, 0);
w.setQDFMode(true);
w.setStaticID(true);
w.write();
// Prevent "done" message from getting appended
exit(0);
}
static void test_5(QPDF& pdf, char const* arg2)
{
QPDFPageDocumentHelper dh(pdf);
std::vector<QPDFPageObjectHelper> pages = dh.getAllPages();
int pageno = 0;
for (std::vector<QPDFPageObjectHelper>::iterator iter = pages.begin();
iter != pages.end(); ++iter)
{
QPDFPageObjectHelper& page(*iter);
++pageno;
std::cout << "page " << pageno << ":" << std::endl;
std::cout << " images:" << std::endl;
std::map<std::string, QPDFObjectHandle> images = page.getImages();
for (auto const& iter2: images)
{
std::string const& name = iter2.first;
QPDFObjectHandle image = iter2.second;
QPDFObjectHandle dict = image.getDict();
long long width = dict.getKey("/Width").getIntValue();
long long height = dict.getKey("/Height").getIntValue();
std::cout << " " << name
<< ": " << width << " x " << height
<< std::endl;
}
std::cout << " content:" << std::endl;
std::vector<QPDFObjectHandle> content = page.getPageContents();
for (auto& iter2: content)
{
std::cout << " " << iter2.unparse() << std::endl;
}
std::cout << "end page " << pageno << std::endl;
}
QPDFObjectHandle root = pdf.getRoot();
QPDFObjectHandle qstrings = root.getKey("/QStrings");
if (qstrings.isArray())
{
std::cout << "QStrings:" << std::endl;
int nitems = qstrings.getArrayNItems();
for (int i = 0; i < nitems; ++i)
{
std::cout << qstrings.getArrayItem(i).getUTF8Value()
<< std::endl;
}
}
QPDFObjectHandle qnumbers = root.getKey("/QNumbers");
if (qnumbers.isArray())
{
std::cout << "QNumbers:" << std::endl;
int nitems = qnumbers.getArrayNItems();
for (int i = 0; i < nitems; ++i)
{
std::cout << QUtil::double_to_string(
qnumbers.getArrayItem(i).getNumericValue(), 3, false)
<< std::endl;
}
}
}
static void test_6(QPDF& pdf, char const* arg2)
{
QPDFObjectHandle root = pdf.getRoot();
QPDFObjectHandle metadata = root.getKey("/Metadata");
if (! metadata.isStream())
{
throw std::logic_error("test 6 run on file with no metadata");
}
Pl_Buffer bufpl("buffer");
metadata.pipeStreamData(&bufpl, 0, qpdf_dl_none);
Buffer* buf = bufpl.getBuffer();
unsigned char const* data = buf->getBuffer();
bool cleartext = false;
if ((buf->getSize() > 9) &&
(strncmp(reinterpret_cast<char const*>(data),
"<?xpacket", 9) == 0))
{
cleartext = true;
}
delete buf;
std::cout << "encrypted="
<< (pdf.isEncrypted() ? 1 : 0)
<< "; cleartext="
<< (cleartext ? 1 : 0)
<< std::endl;
}
static void test_7(QPDF& pdf, char const* arg2)
{
QPDFObjectHandle root = pdf.getRoot();
QPDFObjectHandle qstream = root.getKey("/QStream");
if (! qstream.isStream())
{
throw std::logic_error("test 7 run on file with no QStream");
}
qstream.replaceStreamData(
"new data for stream\n",
QPDFObjectHandle::newNull(), QPDFObjectHandle::newNull());
QPDFWriter w(pdf, "a.pdf");
w.setStaticID(true);
w.setStreamDataMode(qpdf_s_preserve);
w.write();
}
static void test_8(QPDF& pdf, char const* arg2)
{
QPDFObjectHandle root = pdf.getRoot();
QPDFObjectHandle qstream = root.getKey("/QStream");
if (! qstream.isStream())
{
throw std::logic_error("test 7 run on file with no QStream");
}
Pl_Buffer p1("buffer");
Pl_Flate p2("compress", &p1, Pl_Flate::a_deflate);
p2.write(QUtil::unsigned_char_pointer("new data for stream\n"),
20); // no null!
p2.finish();
PointerHolder<Buffer> b = p1.getBuffer();
// This is a bogus way to use StreamDataProvider, but it does
// adequately test its functionality.
Provider* provider = new Provider(b);
PointerHolder<QPDFObjectHandle::StreamDataProvider> p = provider;
qstream.replaceStreamData(
p, QPDFObjectHandle::newName("/FlateDecode"),
QPDFObjectHandle::newNull());
provider->badLength(false);
QPDFWriter w(pdf, "a.pdf");
w.setStaticID(true);
// Linearize to force the provider to be called multiple times.
w.setLinearization(true);
w.setStreamDataMode(qpdf_s_preserve);
w.write();
// Every time a provider pipes stream data, it has to provide
// the same amount of data.
provider->badLength(true);
try
{
qstream.getStreamData();
std::cout << "oops -- getStreamData didn't throw" << std::endl;
}
catch (std::exception const& e)
{
std::cout << "exception: " << e.what() << std::endl;
}
}
static void test_9(QPDF& pdf, char const* arg2)
{
QPDFObjectHandle root = pdf.getRoot();
// Explicitly exercise the Buffer version of newStream
PointerHolder<Buffer> buf = new Buffer(20);
unsigned char* bp = buf->getBuffer();
memcpy(bp, "data for new stream\n", 20); // no null!
QPDFObjectHandle qstream = QPDFObjectHandle::newStream(
&pdf, buf);
QPDFObjectHandle rstream = QPDFObjectHandle::newStream(&pdf);
try
{
rstream.getStreamData();
std::cout << "oops -- getStreamData didn't throw" << std::endl;
}
catch (std::logic_error const& e)
{
std::cout << "exception: " << e.what() << std::endl;
}
rstream.replaceStreamData(
"data for other stream\n",
QPDFObjectHandle::newNull(), QPDFObjectHandle::newNull());
root.replaceKey("/QStream", qstream);
root.replaceKey("/RStream", rstream);
QPDFWriter w(pdf, "a.pdf");
w.setStaticID(true);
w.setStreamDataMode(qpdf_s_preserve);
w.write();
}
static void test_10(QPDF& pdf, char const* arg2)
{
std::vector<QPDFPageObjectHelper> pages =
QPDFPageDocumentHelper(pdf).getAllPages();
QPDFPageObjectHelper& ph(pages.at(0));
ph.addPageContents(
QPDFObjectHandle::newStream(
&pdf, "BT /F1 12 Tf 72 620 Td (Baked) Tj ET\n"), true);
ph.addPageContents(
QPDFObjectHandle::newStream(
&pdf, "BT /F1 18 Tf 72 520 Td (Mashed) Tj ET\n"), false);
QPDFWriter w(pdf, "a.pdf");
w.setStaticID(true);
w.setStreamDataMode(qpdf_s_preserve);
w.write();
}
static void test_11(QPDF& pdf, char const* arg2)
{
QPDFObjectHandle root = pdf.getRoot();
QPDFObjectHandle qstream = root.getKey("/QStream");
PointerHolder<Buffer> b1 = qstream.getStreamData();
PointerHolder<Buffer> b2 = qstream.getRawStreamData();
if ((b1->getSize() == 7) &&
(memcmp(b1->getBuffer(), "potato\n", 7) == 0))
{
std::cout << "filtered stream data okay" << std::endl;
}
if ((b2->getSize() == 15) &&
(memcmp(b2->getBuffer(), "706F7461746F0A\n", 15) == 0))
{
std::cout << "raw stream data okay" << std::endl;
}
}
static void test_12(QPDF& pdf, char const* arg2)
{
pdf.setOutputStreams(0, 0);
pdf.showLinearizationData();
}
static void test_13(QPDF& pdf, char const* arg2)
{
std::ostringstream out;
std::ostringstream err;
pdf.setOutputStreams(&out, &err);
pdf.showLinearizationData();
std::cout << "---output---" << std::endl
<< out.str()
<< "---error---" << std::endl
<< err.str();
}
static void test_14(QPDF& pdf, char const* arg2)
{
// Exercise swap and replace. This test case is designed for
// a specific file.
std::vector<QPDFObjectHandle> pages = pdf.getAllPages();
if (pages.size() != 4)
{
throw std::logic_error("test 14 not called 4-page file");
}
// Swap pages 2 and 3
auto orig_page2 = pages.at(1);
auto orig_page3 = pages.at(2);
assert(orig_page2.getKey("/OrigPage").getIntValue() == 2);
assert(orig_page3.getKey("/OrigPage").getIntValue() == 3);
pdf.swapObjects(orig_page2.getObjGen(), orig_page3.getObjGen());
assert(orig_page2.getKey("/OrigPage").getIntValue() == 3);
assert(orig_page3.getKey("/OrigPage").getIntValue() == 2);
// Replace object and swap objects
QPDFObjectHandle trailer = pdf.getTrailer();
QPDFObjectHandle qdict = trailer.getKey("/QDict");
QPDFObjectHandle qarray = trailer.getKey("/QArray");
// Force qdict but not qarray to resolve
qdict.isDictionary();
QPDFObjectHandle new_dict = QPDFObjectHandle::newDictionary();
new_dict.replaceKey("/NewDict", QPDFObjectHandle::newInteger(2));
try
{
// Do it wrong first...
pdf.replaceObject(qdict.getObjGen(), qdict);
}
catch (std::logic_error const&)
{
std::cout << "caught logic error as expected" << std::endl;
}
pdf.replaceObject(qdict.getObjGen(), new_dict);
// Now qdict points to the new dictionary
std::cout << "old dict: " << qdict.getKey("/NewDict").getIntValue()
<< std::endl;
// Swap dict and array
pdf.swapObjects(qdict.getObjGen(), qarray.getObjGen());
// Now qarray will resolve to new object and qdict resolves to
// the array
std::cout << "swapped array: " << qdict.getArrayItem(0).getName()
<< std::endl;
std::cout << "new dict: " << qarray.getKey("/NewDict").getIntValue()
<< std::endl;
// Reread qdict, still pointing to an array
qdict = pdf.getObjectByObjGen(qdict.getObjGen());
std::cout << "swapped array: " << qdict.getArrayItem(0).getName()
<< std::endl;
// Exercise getAsMap and getAsArray
std::vector<QPDFObjectHandle> array_elements =
qdict.getArrayAsVector();
std::map<std::string, QPDFObjectHandle> dict_items =
qarray.getDictAsMap();
if ((array_elements.size() == 1) &&
(array_elements.at(0).getName() == "/Array") &&
(dict_items.size() == 1) &&
(dict_items["/NewDict"].getIntValue() == 2))
{
std::cout << "array and dictionary contents are correct"
<< std::endl;
}
// Exercise writing to memory buffer
for (int i = 0; i < 2; ++i)
{
QPDFWriter w(pdf);
w.setOutputMemory();
// Exercise setOutputMemory with and without static ID
w.setStaticID(i == 0);
w.setStreamDataMode(qpdf_s_preserve);
w.write();
Buffer* b = w.getBuffer();
std::string const filename = (i == 0 ? "a.pdf" : "b.pdf");
FILE* f = QUtil::safe_fopen(filename.c_str(), "wb");
fwrite(b->getBuffer(), b->getSize(), 1, f);
fclose(f);
delete b;
}
}
static void test_15(QPDF& pdf, char const* arg2)
{
std::vector<QPDFObjectHandle> const& pages = pdf.getAllPages();
// Reference to original page numbers for this test case are
// numbered from 0.
// Remove pages from various places, checking to make sure
// that our pages reference is getting updated.
assert(pages.size() == 10);
pdf.removePage(pages.back()); // original page 9
assert(pages.size() == 9);
pdf.removePage(*pages.begin()); // original page 0
assert(pages.size() == 8);
checkPageContents(pages.at(4), "Original page 5");
pdf.removePage(pages.at(4)); // original page 5
assert(pages.size() == 7);
checkPageContents(pages.at(4), "Original page 6");
checkPageContents(pages.at(0), "Original page 1");
checkPageContents(pages.at(6), "Original page 8");
// Insert pages
// Create some content streams.
std::vector<QPDFObjectHandle> contents;
contents.push_back(createPageContents(pdf, "New page 1"));
contents.push_back(createPageContents(pdf, "New page 0"));
contents.push_back(createPageContents(pdf, "New page 5"));
contents.push_back(createPageContents(pdf, "New page 6"));
contents.push_back(createPageContents(pdf, "New page 11"));
contents.push_back(createPageContents(pdf, "New page 12"));
// Create some page objects. Start with an existing
// dictionary and modify it. Using the results of
// getDictAsMap to create a new dictionary effectively creates
// a shallow copy.
QPDFObjectHandle page_template = pages.at(0);
std::vector<QPDFObjectHandle> new_pages;
for (std::vector<QPDFObjectHandle>::iterator iter = contents.begin();
iter != contents.end(); ++iter)
{
// We will retain indirect object references to other
// indirect objects other than page content.
QPDFObjectHandle page = page_template.shallowCopy();
page.replaceKey("/Contents", *iter);
if (iter == contents.begin())
{
// leave direct
new_pages.push_back(page);
}
else
{
new_pages.push_back(pdf.makeIndirectObject(page));
}
}
// Now insert the pages
pdf.addPage(new_pages.at(0), true);
checkPageContents(pages.at(0), "New page 1");
pdf.addPageAt(new_pages.at(1), true, pages.at(0));
assert(pages.at(0).getObjGen() == new_pages.at(1).getObjGen());
pdf.addPageAt(new_pages.at(2), true, pages.at(5));
assert(pages.at(5).getObjGen() == new_pages.at(2).getObjGen());
pdf.addPageAt(new_pages.at(3), false, pages.at(5));
assert(pages.at(6).getObjGen() == new_pages.at(3).getObjGen());
assert(pages.size() == 11);
pdf.addPage(new_pages.at(4), false);
assert(pages.at(11).getObjGen() == new_pages.at(4).getObjGen());
pdf.addPageAt(new_pages.at(5), false, pages.back());
assert(pages.size() == 13);
checkPageContents(pages.at(0), "New page 0");
checkPageContents(pages.at(1), "New page 1");
checkPageContents(pages.at(5), "New page 5");
checkPageContents(pages.at(6), "New page 6");
checkPageContents(pages.at(11), "New page 11");
checkPageContents(pages.at(12), "New page 12");
// Exercise writing to FILE*
FILE* out = QUtil::safe_fopen("a.pdf", "wb");
QPDFWriter w(pdf, "FILE* a.pdf", out, true);
w.setStaticID(true);
w.setStreamDataMode(qpdf_s_preserve);
w.write();
}
static void test_16(QPDF& pdf, char const* arg2)
{
// Insert a page manually and then update the cache.
std::vector<QPDFObjectHandle> const& all_pages = pdf.getAllPages();
QPDFObjectHandle contents = createPageContents(pdf, "New page 10");
QPDFObjectHandle page =
pdf.makeIndirectObject(
QPDFObjectHandle(all_pages.at(0)).shallowCopy());
page.replaceKey("/Contents", contents);
// Insert the page manually.
QPDFObjectHandle root = pdf.getRoot();
QPDFObjectHandle pages = root.getKey("/Pages");
QPDFObjectHandle kids = pages.getKey("/Kids");
page.replaceKey("/Parent", pages);
pages.replaceKey(
"/Count",
QPDFObjectHandle::newInteger(
1 + QIntC::to_longlong(all_pages.size())));
kids.appendItem(page);
assert(all_pages.size() == 10);
pdf.updateAllPagesCache();
assert(all_pages.size() == 11);
assert(all_pages.back().getObjGen() == page.getObjGen());
QPDFWriter w(pdf, "a.pdf");
w.setStaticID(true);
w.setStreamDataMode(qpdf_s_preserve);
w.write();
}
static void test_17(QPDF& pdf, char const* arg2)
{
// The input file to this test case has a duplicated page.
QPDFObjectHandle page_kids =
pdf.getRoot().getKey("/Pages").getKey("/Kids");
assert(page_kids.getArrayItem(0).getObjGen() ==
page_kids.getArrayItem(1).getObjGen());
std::vector<QPDFObjectHandle> const& pages = pdf.getAllPages();
assert(pages.size() == 3);
assert(! (pages.at(0).getObjGen() == pages.at(1).getObjGen()));
assert(QPDFObjectHandle(pages.at(0)).getKey("/Contents").getObjGen() ==
QPDFObjectHandle(pages.at(1)).getKey("/Contents").getObjGen());
pdf.removePage(pages.at(0));
assert(pages.size() == 2);
PointerHolder<Buffer> b = QPDFObjectHandle(pages.at(0)).
getKey("/Contents").getStreamData();
std::string contents = std::string(
reinterpret_cast<char const*>(b->getBuffer()),
b->getSize());
assert(contents.find("page 0") != std::string::npos);
}
static void test_18(QPDF& pdf, char const* arg2)
{
// Remove a page and re-insert it in the same file.
std::vector<QPDFObjectHandle> const& pages = pdf.getAllPages();
// Remove pages from various places, checking to make sure
// that our pages reference is getting updated.
assert(pages.size() == 10);
QPDFObjectHandle page5 = pages.at(5);
pdf.removePage(page5);
assert(pages.size() == 9);
pdf.addPage(page5, false);
assert(pages.size() == 10);
assert(pages.back().getObjGen() == page5.getObjGen());
QPDFWriter w(pdf, "a.pdf");
w.setStaticID(true);
w.setStreamDataMode(qpdf_s_preserve);
w.write();
}
static void test_19(QPDF& pdf, char const* arg2)
{
// Remove a page and re-insert it in the same file.
std::vector<QPDFObjectHandle> const& pages = pdf.getAllPages();
// Try to insert a page that's already there. A shallow copy
// gets inserted instead.
auto newpage = pages.at(5);
size_t count = pages.size();
pdf.addPage(newpage, false);
auto last = pages.back();
assert(pages.size() == count + 1);
assert(! (last.getObjGen() == newpage.getObjGen()));
assert(last.getKey("/Contents").getObjGen() ==
newpage.getKey("/Contents").getObjGen());
}
static void test_20(QPDF& pdf, char const* arg2)
{
// Shallow copy an array
QPDFObjectHandle trailer = pdf.getTrailer();
QPDFObjectHandle qtest = trailer.getKey("/QTest");
QPDFObjectHandle copy = qtest.shallowCopy();
// Append shallow copy of a scalar
copy.appendItem(trailer.getKey("/Size").shallowCopy());
trailer.replaceKey("/QTest2", copy);
QPDFWriter w(pdf, "a.pdf");
w.setStaticID(true);
w.setStreamDataMode(qpdf_s_preserve);
w.write();
}
static void test_21(QPDF& pdf, char const* arg2)
{
// Try to shallow copy a stream
std::vector<QPDFObjectHandle> const& pages = pdf.getAllPages();
QPDFObjectHandle page = pages.at(0);
QPDFObjectHandle contents = page.getKey("/Contents");
contents.shallowCopy();
std::cout << "you can't see this" << std::endl;
}
static void test_22(QPDF& pdf, char const* arg2)
{
// Try to remove a page we don't have
QPDFPageDocumentHelper dh(pdf);
std::vector<QPDFPageObjectHelper> pages = dh.getAllPages();
QPDFPageObjectHelper& page = pages.at(0);
dh.removePage(page);
dh.removePage(page);
std::cout << "you can't see this" << std::endl;
}
static void test_23(QPDF& pdf, char const* arg2)
{
QPDFPageDocumentHelper dh(pdf);
std::vector<QPDFPageObjectHelper> pages = dh.getAllPages();
dh.removePage(pages.back());
}
static void test_24(QPDF& pdf, char const* arg2)
{
// Test behavior of reserved objects
QPDFObjectHandle res1 = QPDFObjectHandle::newReserved(&pdf);
QPDFObjectHandle res2 = QPDFObjectHandle::newReserved(&pdf);
QPDFObjectHandle trailer = pdf.getTrailer();
trailer.replaceKey("Array1", res1);
trailer.replaceKey("Array2", res2);
QPDFObjectHandle array1 = QPDFObjectHandle::newArray();
QPDFObjectHandle array2 = QPDFObjectHandle::newArray();
array1.appendItem(res2);
array1.appendItem(QPDFObjectHandle::newInteger(1));
array2.appendItem(res1);
array2.appendItem(QPDFObjectHandle::newInteger(2));
// Make sure trying to ask questions about a reserved object
// doesn't break it.
if (res1.isArray())
{
std::cout << "oops -- res1 is an array" << std::endl;
}
if (res1.isReserved())
{
std::cout << "res1 is still reserved after checking if array"
<< std::endl;
}
pdf.replaceReserved(res1, array1);
if (res1.isReserved())
{
std::cout << "oops -- res1 is still reserved" << std::endl;
}
else
{
std::cout << "res1 is no longer reserved" << std::endl;
}
res1.assertArray();
std::cout << "res1 is an array" << std::endl;
try
{
res2.unparseResolved();
std::cout << "oops -- didn't throw" << std::endl;
}
catch (std::logic_error const& e)
{
std::cout << "logic error: " << e.what() << std::endl;
}
try
{
res2.makeDirect();
std::cout << "oops -- didn't throw" << std::endl;
}
catch (std::logic_error const& e)
{
std::cout << "logic error: " << e.what() << std::endl;
}
pdf.replaceReserved(res2, array2);
res2.assertArray();
std::cout << "res2 is an array" << std::endl;
// Verify that the previously added reserved keys can be
// dereferenced properly now
int i1 = res1.getArrayItem(0).getArrayItem(1).getIntValueAsInt();
int i2 = res2.getArrayItem(0).getArrayItem(1).getIntValueAsInt();
if ((i1 == 2) && (i2 == 1))
{
std::cout << "circular access and lazy resolution worked" << std::endl;
}
QPDFWriter w(pdf, "a.pdf");
w.setStaticID(true);
w.setStreamDataMode(qpdf_s_preserve);
w.write();
}
static void test_25(QPDF& pdf, char const* arg2)
{
// The copy object tests are designed to work with a specific
// file. Look at the test suite for the file, and look at the
// file for comments about the file's structure.
// Copy qtest without crossing page boundaries. Should get O1
// and O2 and their streams but not O3 or any other pages.
assert(arg2 != 0);
{
// Make sure original PDF is out of scope when we write.
QPDF oldpdf;
oldpdf.processFile(arg2);
QPDFObjectHandle qtest = oldpdf.getTrailer().getKey("/QTest");
pdf.getTrailer().replaceKey(
"/QTest", pdf.copyForeignObject(qtest));
}
QPDFWriter w(pdf, "a.pdf");
w.setStaticID(true);
w.setStreamDataMode(qpdf_s_preserve);
w.write();
}
static void test_26(QPDF& pdf, char const* arg2)
{
// Copy the O3 page using addPage. Copy qtest without
// crossing page boundaries. In addition to previous results,
// should get page O3 but no other pages including the page
// that O3 points to. Also, inherited object will have been
// pushed down and will be preserved.
{
// Make sure original PDF is out of scope when we write.
assert(arg2 != 0);
QPDF oldpdf;
oldpdf.processFile(arg2);
QPDFObjectHandle qtest = oldpdf.getTrailer().getKey("/QTest");
QPDFObjectHandle O3 = qtest.getKey("/O3");
QPDFPageDocumentHelper(pdf).addPage(O3, false);
pdf.getTrailer().replaceKey(
"/QTest", pdf.copyForeignObject(qtest));
}
QPDFWriter w(pdf, "a.pdf");
w.setStaticID(true);
w.setStreamDataMode(qpdf_s_preserve);
w.write();
}
static void test_27(QPDF& pdf, char const* arg2)
{
// Copy O3 and the page O3 refers to before copying qtest.
// Should get qtest plus only the O3 page and the page that O3
// points to. Inherited objects should be preserved. This test
// also exercises copying from a stream that has a buffer and
// a provider, including copying a provider multiple times. We
// also exercise setImmediateCopyFrom.
// Create a provider. The provider stays in scope.
PointerHolder<QPDFObjectHandle::StreamDataProvider> p1;
{
// Local scope
Pl_Buffer pl("buffer");
pl.write(QUtil::unsigned_char_pointer("new data for stream\n"),
20); // no null!
pl.finish();
PointerHolder<Buffer> b = pl.getBuffer();
Provider* provider = new Provider(b);
p1 = provider;
}
// Create a stream that uses a provider in empty1 and copy it
// to empty2. It is copied from empty2 to the final pdf.
QPDF empty1;
empty1.emptyPDF();
QPDFObjectHandle s1 = QPDFObjectHandle::newStream(&empty1);
s1.replaceStreamData(
p1, QPDFObjectHandle::newNull(), QPDFObjectHandle::newNull());
QPDF empty2;
empty2.emptyPDF();
s1 = empty2.copyForeignObject(s1);
{
// Make sure some source PDFs are out of scope when we
// write.
PointerHolder<QPDFObjectHandle::StreamDataProvider> p2;
// Create another provider. This one will go out of scope
// along with its containing qpdf, which has
// setImmediateCopyFrom(true).
{
// Local scope
Pl_Buffer pl("buffer");
pl.write(QUtil::unsigned_char_pointer(
"more data for stream\n"),
21); // no null!
pl.finish();
PointerHolder<Buffer> b = pl.getBuffer();
Provider* provider = new Provider(b);
p2 = provider;
}
QPDF empty3;
empty3.emptyPDF();
empty3.setImmediateCopyFrom(true);
QPDFObjectHandle s3 = QPDFObjectHandle::newStream(&empty3);
s3.replaceStreamData(
p2, QPDFObjectHandle::newNull(), QPDFObjectHandle::newNull());
assert(arg2 != 0);
QPDF oldpdf;
oldpdf.processFile(arg2);
QPDFObjectHandle qtest = oldpdf.getTrailer().getKey("/QTest");
QPDFObjectHandle O3 = qtest.getKey("/O3");
QPDFPageDocumentHelper dh(pdf);
dh.addPage(O3.getKey("/OtherPage"), false);
dh.addPage(O3, false);
QPDFObjectHandle s2 = QPDFObjectHandle::newStream(
&oldpdf, "potato\n");
pdf.getTrailer().replaceKey(
"/QTest", pdf.copyForeignObject(qtest));
pdf.getTrailer().replaceKey(
"/QTest2", QPDFObjectHandle::newArray());
pdf.getTrailer().getKey("/QTest2").appendItem(
pdf.copyForeignObject(s1));
pdf.getTrailer().getKey("/QTest2").appendItem(
pdf.copyForeignObject(s2));
pdf.getTrailer().getKey("/QTest2").appendItem(
pdf.copyForeignObject(s3));
}
QPDFWriter w(pdf, "a.pdf");
w.setStaticID(true);
w.setCompressStreams(false);
w.setDecodeLevel(qpdf_dl_generalized);
w.write();
}
static void test_28(QPDF& pdf, char const* arg2)
{
// Copy foreign object errors
try
{
pdf.copyForeignObject(pdf.getTrailer().getKey("/QTest"));
std::cout << "oops -- didn't throw" << std::endl;
}
catch (std::logic_error const& e)
{
std::cout << "logic error: " << e.what() << std::endl;
}
try
{
pdf.copyForeignObject(QPDFObjectHandle::newInteger(1));
std::cout << "oops -- didn't throw" << std::endl;
}
catch (std::logic_error const& e)
{
std::cout << "logic error: " << e.what() << std::endl;
}
}
static void test_29(QPDF& pdf, char const* arg2)
{
// Detect mixed objects in QPDFWriter
assert(arg2 != 0);
QPDF other;
other.processFile(arg2);
// Should use copyForeignObject instead
other.getTrailer().replaceKey(
"/QTest", pdf.getTrailer().getKey("/QTest"));
try
{
QPDFWriter w(other, "a.pdf");
w.write();
std::cout << "oops -- didn't throw" << std::endl;
}
catch (std::logic_error const& e)
{
std::cout << "logic error: " << e.what() << std::endl;
}
// Detect adding a foreign object
auto root1 = pdf.getRoot();
auto root2 = other.getRoot();
try
{
root1.replaceKey("/Oops", root2);
}
catch (std::logic_error const& e)
{
std::cout << "logic error: " << e.what() << std::endl;
}
}
static void test_30(QPDF& pdf, char const* arg2)
{
assert(arg2 != 0);
QPDF encrypted;
encrypted.processFile(arg2, "user");
QPDFWriter w(pdf, "b.pdf");
w.setStreamDataMode(qpdf_s_preserve);
w.copyEncryptionParameters(encrypted);
w.write();
// Make sure the contents are actually the same
QPDF final;
final.processFile("b.pdf", "user");
std::vector<QPDFObjectHandle> pages = pdf.getAllPages();
std::string orig_contents = getPageContents(pages.at(0));
pages = final.getAllPages();
std::string new_contents = getPageContents(pages.at(0));
if (orig_contents != new_contents)
{
std::cout << "oops -- page contents don't match" << std::endl
<< "original:\n" << orig_contents
<< "new:\n" << new_contents
<< std::endl;
}
}
static void test_31(QPDF& pdf, char const* arg2)
{
// Test object parsing from a string. The input file is not used.
QPDFObjectHandle o1 =
QPDFObjectHandle::parse(
"[/name 16059 3.14159 false\n"
" << /key true /other [ (string1) (string2) ] >> null]");
std::cout << o1.unparse() << std::endl;
QPDFObjectHandle o2 = QPDFObjectHandle::parse(" 12345 \f ");
assert(o2.isInteger() && (o2.getIntValue() == 12345));
try
{
QPDFObjectHandle::parse("[1 0 R]", "indirect test");
std::cout << "oops -- didn't throw" << std::endl;
}
catch (std::logic_error const& e)
{
std::cout << "logic error parsing indirect: " << e.what()
<< std::endl;
}
try
{
QPDFObjectHandle::parse("0 trailing", "trailing test");
std::cout << "oops -- didn't throw" << std::endl;
}
catch (std::runtime_error const& e)
{
std::cout << "trailing data: " << e.what()
<< std::endl;
}
assert(QPDFObjectHandle::parse(
&pdf, "[1 0 R]", "indirect test").unparse() ==
"[ 1 0 R ]");
}
static void test_32(QPDF& pdf, char const* arg2)
{
// Extra header text
char const* filenames[] = {"a.pdf", "b.pdf", "c.pdf", "d.pdf"};
for (int i = 0; i < 4; ++i)
{
bool linearized = ((i & 1) != 0);
bool newline = ((i & 2) != 0);
QPDFWriter w(pdf, filenames[i]);
w.setStaticID(true);
std::cout
<< "file: " << filenames[i] << std::endl
<< "linearized: " << (linearized ? "yes" : "no") << std::endl
<< "newline: " << (newline ? "yes" : "no") << std::endl;
w.setLinearization(linearized);
w.setExtraHeaderText(newline
? "%% Comment with newline\n"
: "%% Comment\n% No newline");
w.write();
}
}
static void test_33(QPDF& pdf, char const* arg2)
{
// Test writing to a custom pipeline
Pl_Buffer p("buffer");
QPDFWriter w(pdf);
w.setStaticID(true);
w.setOutputPipeline(&p);
w.write();
PointerHolder<Buffer> b = p.getBuffer();
FILE* f = QUtil::safe_fopen("a.pdf", "wb");
fwrite(b->getBuffer(), b->getSize(), 1, f);
fclose(f);
}
static void test_34(QPDF& pdf, char const* arg2)
{
// Look at Extensions dictionary
std::cout << "version: " << pdf.getPDFVersion() << std::endl
<< "extension level: " << pdf.getExtensionLevel() << std::endl
<< pdf.getRoot().getKey("/Extensions").unparse() << std::endl;
}
static void test_35(QPDF& pdf, char const* arg2)
{
// Extract attachments
std::map<std::string, PointerHolder<Buffer> > attachments;
QPDFObjectHandle root = pdf.getRoot();
QPDFObjectHandle names = root.getKey("/Names");
QPDFObjectHandle embeddedFiles = names.getKey("/EmbeddedFiles");
names = embeddedFiles.getKey("/Names");
for (int i = 0; i < names.getArrayNItems(); ++i)
{
QPDFObjectHandle item = names.getArrayItem(i);
if (item.isDictionary() &&
item.getKey("/Type").isName() &&
(item.getKey("/Type").getName() == "/Filespec") &&
item.getKey("/EF").isDictionary() &&
item.getKey("/EF").getKey("/F").isStream())
{
std::string filename = item.getKey("/F").getStringValue();
QPDFObjectHandle stream = item.getKey("/EF").getKey("/F");
attachments[filename] = stream.getStreamData();
}
}
for (std::map<std::string, PointerHolder<Buffer> >::iterator iter =
attachments.begin(); iter != attachments.end(); ++iter)
{
std::string const& filename = (*iter).first;
std::string data = std::string(
reinterpret_cast<char const*>((*iter).second->getBuffer()),
(*iter).second->getSize());
bool is_binary = false;
for (size_t i = 0; i < data.size(); ++i)
{
if ((data.at(i) < 0) || (data.at(i) > 126))
{
is_binary = true;
break;
}
}
if (is_binary)
{
std::string t;
for (size_t i = 0;
i < std::min(data.size(), QIntC::to_size(20));
++i)
{
if ((data.at(i) >= 32) && (data.at(i) <= 126))
{
t += data.at(i);
}
else
{
t += ".";
}
}
t += " (" + QUtil::uint_to_string(data.size()) + " bytes)";
data = t;
}
std::cout << filename << ":\n" << data << "--END--\n";
}
}
static void test_36(QPDF& pdf, char const* arg2)
{
// Extract raw unfilterable attachment
QPDFObjectHandle root = pdf.getRoot();
QPDFObjectHandle names = root.getKey("/Names");
QPDFObjectHandle embeddedFiles = names.getKey("/EmbeddedFiles");
names = embeddedFiles.getKey("/Names");
for (int i = 0; i < names.getArrayNItems(); ++i)
{
QPDFObjectHandle item = names.getArrayItem(i);
if (item.isDictionary() &&
item.getKey("/Type").isName() &&
(item.getKey("/Type").getName() == "/Filespec") &&
item.getKey("/EF").isDictionary() &&
item.getKey("/EF").getKey("/F").isStream() &&
(item.getKey("/F").getStringValue() == "attachment1.txt"))
{
std::string filename = item.getKey("/F").getStringValue();
QPDFObjectHandle stream = item.getKey("/EF").getKey("/F");
Pl_Buffer p1("buffer");
Pl_Flate p2("compress", &p1, Pl_Flate::a_inflate);
stream.pipeStreamData(&p2, 0, qpdf_dl_none);
PointerHolder<Buffer> buf = p1.getBuffer();
std::string data = std::string(
reinterpret_cast<char const*>(buf->getBuffer()),
buf->getSize());
std::cout << stream.getDict().unparse()
<< filename << ":\n" << data << "--END--\n";
}
}
}
static void test_37(QPDF& pdf, char const* arg2)
{
// Parse content streams of all pages
std::vector<QPDFPageObjectHelper> pages =
QPDFPageDocumentHelper(pdf).getAllPages();
for (std::vector<QPDFPageObjectHelper>::iterator iter = pages.begin();
iter != pages.end(); ++iter)
{
QPDFPageObjectHelper& page(*iter);
ParserCallbacks cb;
page.parseContents(&cb);
}
}
static void test_38(QPDF& pdf, char const* arg2)
{
// Designed for override-compressed-object.pdf
QPDFObjectHandle qtest = pdf.getRoot().getKey("/QTest");
for (int i = 0; i < qtest.getArrayNItems(); ++i)
{
std::cout << qtest.getArrayItem(i).unparseResolved() << std::endl;
}
}
static void test_39(QPDF& pdf, char const* arg2)
{
// Display image filter and color set for each image on each page
std::vector<QPDFPageObjectHelper> pages =
QPDFPageDocumentHelper(pdf).getAllPages();
int pageno = 0;
for (std::vector<QPDFPageObjectHelper>::iterator p_iter =
pages.begin();
p_iter != pages.end(); ++p_iter)
{
std::cout << "page " << ++pageno << std::endl;
std::map<std::string, QPDFObjectHandle> images =
(*p_iter).getImages();
for (std::map<std::string, QPDFObjectHandle>::iterator i_iter =
images.begin(); i_iter != images.end(); ++i_iter)
{
QPDFObjectHandle image_dict = (*i_iter).second.getDict();
std::cout << "filter: "
<< image_dict.getKey("/Filter").unparseResolved()
<< ", color space: "
<< image_dict.getKey("/ColorSpace").unparseResolved()
<< std::endl;
}
}
}
static void test_40(QPDF& pdf, char const* arg2)
{
// Write PCLm. This requires specially crafted PDF files. This
// feature was implemented by Sahil Arora
// <sahilarora.535@gmail.com> as part of a Google Summer of
// Code project in 2017.
assert(arg2 != 0);
QPDFWriter w(pdf, arg2);
w.setPCLm(true);
w.setStaticID(true);
w.write();
}
static void test_41(QPDF& pdf, char const* arg2)
{
// Apply a token filter. This test case is crafted to work
// with coalesce.pdf.
std::vector<QPDFPageObjectHelper> pages =
QPDFPageDocumentHelper(pdf).getAllPages();
for (std::vector<QPDFPageObjectHelper>::iterator iter =
pages.begin();
iter != pages.end(); ++iter)
{
(*iter).addContentTokenFilter(new TokenFilter);
}
QPDFWriter w(pdf, "a.pdf");
w.setQDFMode(true);
w.setStaticID(true);
w.write();
}
static void test_42(QPDF& pdf, char const* arg2)
{
// Access objects as wrong type. This test case is crafted to
// work with object-types.pdf.
QPDFObjectHandle qtest = pdf.getTrailer().getKey("/QTest");
QPDFObjectHandle array = qtest.getKey("/Dictionary").getKey("/Key2");
QPDFObjectHandle dictionary = qtest.getKey("/Dictionary");
QPDFObjectHandle integer = qtest.getKey("/Integer");
QPDFObjectHandle null = QPDFObjectHandle::newNull();
assert(array.isArray());
{
// Exercise iterators directly
auto ai = array.aitems();
auto i = ai.begin();
assert(i->getName() == "/Item0");
auto& i_value = *i;
--i;
assert(i->getName() == "/Item0");
++i;
++i;
++i;
assert(i == ai.end());
++i;
assert(i == ai.end());
assert(! i_value.isInitialized());
--i;
assert(i_value.getName() == "/Item2");
assert(i->getName() == "/Item2");
}
assert(dictionary.isDictionary());
{
// Exercise iterators directly
auto di = dictionary.ditems();
auto i = di.begin();
assert(i->first == "/Key1");
auto& i_value = *i;
assert(i->second.getName() == "/Value1");
++i;
++i;
assert(i == di.end());
assert(! i_value.second.isInitialized());
}
assert("" == qtest.getStringValue());
array.getArrayItem(-1).assertNull();
array.getArrayItem(16059).assertNull();
integer.getArrayItem(0).assertNull();
integer.appendItem(null);
array.eraseItem(-1);
array.eraseItem(16059);
integer.eraseItem(0);
integer.insertItem(0, null);
integer.setArrayFromVector(std::vector<QPDFObjectHandle>());
integer.setArrayItem(0, null);
assert(0 == integer.getArrayNItems());
assert(integer.getArrayAsVector().empty());
assert(false == integer.getBoolValue());
assert(integer.getDictAsMap().empty());
assert(integer.getKeys().empty());
assert(false == integer.hasKey("/Potato"));
integer.removeKey("/Potato");
integer.replaceOrRemoveKey("/Potato", null);
integer.replaceOrRemoveKey("/Potato", QPDFObjectHandle::newInteger(1));
integer.replaceKey("/Potato", QPDFObjectHandle::newInteger(1));
qtest.getKey("/Integer").getKey("/Potato");
assert(integer.getInlineImageValue().empty());
assert(0 == dictionary.getIntValue());
assert("/QPDFFakeName" == integer.getName());
assert("QPDFFAKE" == integer.getOperatorValue());
assert("0.0" == dictionary.getRealValue());
assert(integer.getStringValue().empty());
assert(integer.getUTF8Value().empty());
assert(0.0 == dictionary.getNumericValue());
// Make sure error messages are okay for nested values
std::cerr << "One error\n";
assert(array.getArrayItem(0).getStringValue().empty());
std::cerr << "One error\n";
assert(dictionary.getKey("/Quack").getStringValue().empty());
assert(array.getArrayItem(1).isDictionary());
assert(array.getArrayItem(1).getKey("/K").isArray());
assert(array.getArrayItem(1).getKey("/K").getArrayItem(0).isName());
assert("/V" ==
array.getArrayItem(1).getKey("/K").getArrayItem(0).getName());
std::cerr << "Two errors\n";
assert(array.getArrayItem(16059).getStringValue().empty());
std::cerr << "One error\n";
array.getArrayItem(1).getKey("/K").getArrayItem(0).getStringValue();
// Stream dictionary
QPDFObjectHandle page = pdf.getAllPages().at(0);
assert("/QPDFFakeName" ==
page.getKey("/Contents").getDict().getKey("/Potato").getName());
// Rectangles
QPDFObjectHandle::Rectangle r0 = integer.getArrayAsRectangle();
assert((r0.llx == 0) && (r0.lly == 0) &&
(r0.urx == 0) && (r0.ury == 0));
QPDFObjectHandle rect = QPDFObjectHandle::newFromRectangle(
QPDFObjectHandle::Rectangle(1.2, 3.4, 5.6, 7.8));
QPDFObjectHandle::Rectangle r1 = rect.getArrayAsRectangle();
assert((r1.llx > 1.19) && (r1.llx < 1.21) &&
(r1.lly > 3.39) && (r1.lly < 3.41) &&
(r1.urx > 5.59) && (r1.urx < 5.61) &&
(r1.ury > 7.79) && (r1.ury < 7.81));
QPDFObjectHandle uninitialized;
assert(! uninitialized.isInitialized());
assert(! uninitialized.isInteger());
assert(! uninitialized.isDictionary());
}
static void test_43(QPDF& pdf, char const* arg2)
{
// Forms
QPDFAcroFormDocumentHelper afdh(pdf);
if (! afdh.hasAcroForm())
{
std::cout << "no forms\n";
return;
}
std::cout << "iterating over form fields\n";
std::vector<QPDFFormFieldObjectHelper> form_fields =
afdh.getFormFields();
for (std::vector<QPDFFormFieldObjectHelper>::iterator iter =
form_fields.begin();
iter != form_fields.end(); ++iter)
{
QPDFFormFieldObjectHelper ffh(*iter);
std::cout << "Field: " << ffh.getObjectHandle().unparse()
<< std::endl;
QPDFFormFieldObjectHelper node = ffh;
while (! node.isNull())
{
QPDFFormFieldObjectHelper parent(node.getParent());
std::cout << " Parent: "
<< (parent.isNull()
? std::string("none")
: parent.getObjectHandle().unparse())
<< std::endl;
node = parent;
}
std::cout << " Fully qualified name: "
<< ffh.getFullyQualifiedName() << std::endl;
std::cout << " Partial name: "
<< ffh.getPartialName() << std::endl;
std::cout << " Alternative name: "
<< ffh.getAlternativeName() << std::endl;
std::cout << " Mapping name: "
<< ffh.getMappingName() << std::endl;
std::cout << " Field type: "
<< ffh.getFieldType() << std::endl;
std::cout << " Value: "
<< ffh.getValue().unparse() << std::endl;
std::cout << " Value as string: "
<< ffh.getValueAsString() << std::endl;
std::cout << " Default value: "
<< ffh.getDefaultValue().unparse() << std::endl;
std::cout << " Default value as string: "
<< ffh.getDefaultValueAsString() << std::endl;
std::cout << " Default appearance: "
<< ffh.getDefaultAppearance() << std::endl;
std::cout << " Quadding: "
<< ffh.getQuadding() << std::endl;
std::vector<QPDFAnnotationObjectHelper> annotations =
afdh.getAnnotationsForField(ffh);
for (std::vector<QPDFAnnotationObjectHelper>::iterator i2 =
annotations.begin();
i2 != annotations.end(); ++i2)
{
std::cout << " Annotation: "
<< (*i2).getObjectHandle().unparse() << std::endl;
}
}
std::cout << "iterating over annotations per page\n";
std::vector<QPDFPageObjectHelper> pages =
QPDFPageDocumentHelper(pdf).getAllPages();
for (std::vector<QPDFPageObjectHelper>::iterator iter = pages.begin();
iter != pages.end(); ++iter)
{
std::cout << "Page: " << (*iter).getObjectHandle().unparse()
<< std::endl;
std::vector<QPDFAnnotationObjectHelper> annotations =
afdh.getWidgetAnnotationsForPage(*iter);
for (std::vector<QPDFAnnotationObjectHelper>::iterator i2 =
annotations.begin();
i2 != annotations.end(); ++i2)
{
QPDFAnnotationObjectHelper ah(*i2);
std::cout << " Annotation: " << ah.getObjectHandle().unparse()
<< std::endl;
std::cout << " Field: "
<< (afdh.getFieldForAnnotation(ah).
getObjectHandle().unparse())
<< std::endl;
std::cout << " Subtype: " << ah.getSubtype() << std::endl;
std::cout << " Rect: ";
print_rect(std::cout, ah.getRect());
std::cout << std::endl;
std::string state = ah.getAppearanceState();
if (! state.empty())
{
std::cout << " Appearance state: " << state
<< std::endl;
}
std::cout << " Appearance stream (/N): "
<< ah.getAppearanceStream("/N").unparse()
<< std::endl;
std::cout << " Appearance stream (/N, /3): "
<< ah.getAppearanceStream("/N", "/3").unparse()
<< std::endl;
}
}
}
static void test_44(QPDF& pdf, char const* arg2)
{
// Set form fields.
QPDFAcroFormDocumentHelper afdh(pdf);
std::vector<QPDFFormFieldObjectHelper> fields = afdh.getFormFields();
for (std::vector<QPDFFormFieldObjectHelper>::iterator iter =
fields.begin();
iter != fields.end(); ++iter)
{
QPDFFormFieldObjectHelper& field(*iter);
QPDFObjectHandle ft = field.getInheritableFieldValue("/FT");
if (ft.isName() && (ft.getName() == "/Tx"))
{
// \xc3\xb7 is utf-8 for U+00F7 (divided by)
field.setV("3.14 \xc3\xb7 0");
std::cout << "Set field value: "
<< field.getFullyQualifiedName()
<< " -> "
<< field.getValueAsString()
<< std::endl;
}
}
QPDFWriter w(pdf, "a.pdf");
w.setQDFMode(true);
w.setStaticID(true);
w.setSuppressOriginalObjectIDs(true);
w.write();
}
static void test_45(QPDF& pdf, char const* arg2)
{
// Decode obfuscated files. This is here to help test with
// files that trigger anti-virus warnings. See comments in
// qpdf.test for details.
QPDFWriter w(pdf, "a.pdf");
w.setStaticID(true);
w.write();
if (! pdf.getWarnings().empty())
{
exit(3);
}
}
static void test_46(QPDF& pdf, char const* arg2)
{
// Test number tree. This test is crafted to work with
// number-tree.pdf
QPDFObjectHandle qtest = pdf.getTrailer().getKey("/QTest");
QPDFNumberTreeObjectHelper ntoh(qtest, pdf);
for (auto& iter: ntoh)
{
std::cout << iter.first << " "
<< iter.second.getStringValue()
<< std::endl;
}
QPDFNumberTreeObjectHelper::idx_map ntoh_map = ntoh.getAsMap();
for (auto& iter: ntoh_map)
{
std::cout << iter.first << " "
<< iter.second.getStringValue()
<< std::endl;
}
assert(1 == ntoh.getMin());
assert(29 == ntoh.getMax());
assert(ntoh.hasIndex(6));
assert(! ntoh.hasIndex(500));
QPDFObjectHandle oh;
assert(! ntoh.findObject(4, oh));
assert(ntoh.findObject(3, oh));
assert("three" == oh.getStringValue());
QPDFNumberTreeObjectHelper::numtree_number offset = 0;
assert(! ntoh.findObjectAtOrBelow(0, oh, offset));
assert(ntoh.findObjectAtOrBelow(8, oh, offset));
assert("six" == oh.getStringValue());
assert(2 == offset);
auto new1 = QPDFNumberTreeObjectHelper::newEmpty(pdf);
auto iter1 = new1.begin();
assert(iter1 == new1.end());
++iter1;
assert(iter1 == new1.end());
--iter1;
assert(iter1 == new1.end());
new1.insert(1, QPDFObjectHandle::newString("1"));
++iter1;
assert((*iter1).first == 1); // exercise operator* explicitly
auto& iter1_val = *iter1;
--iter1;
assert(iter1 == new1.end());
--iter1;
assert(iter1->first == 1);
assert(iter1_val.first == 1);
new1.insert(2, QPDFObjectHandle::newString("2"));
++iter1;
assert(iter1->first == 2);
assert(iter1_val.first == 2);
++iter1;
assert(iter1 == new1.end());
assert(! iter1_val.second.isInitialized());
++iter1;
assert(iter1->first == 1);
--iter1;
assert(iter1 == new1.end());
--iter1;
assert(iter1->first == 2);
std::cout << "insertAfter" << std::endl;
auto new2 = QPDFNumberTreeObjectHelper::newEmpty(pdf);
auto iter2 = new2.begin();
assert(iter2 == new2.end());
iter2.insertAfter(3, QPDFObjectHandle::newString("3!"));
assert(iter2->first == 3);
iter2.insertAfter(4, QPDFObjectHandle::newString("4!"));
assert(iter2->first == 4);
for (auto& i: new2)
{
std::cout << i.first << " " << i.second.unparse() << std::endl;
}
// Exercise deprecated API until qpdf 11
std::cout << "/Bad1: deprecated API" << std::endl;
#ifdef _MSC_VER
# pragma warning (disable: 4996)
#endif
#if (defined(__GNUC__) || defined(__clang__))
# pragma GCC diagnostic push
# pragma GCC diagnostic ignored "-Wdeprecated-declarations"
#endif
auto bad1 = QPDFNumberTreeObjectHelper(
pdf.getTrailer().getKey("/Bad1"));
#if (defined(__GNUC__) || defined(__clang__))
# pragma GCC diagnostic pop
#endif
assert(bad1.begin() == bad1.end());
std::cout << "/Bad1" << std::endl;
bad1 = QPDFNumberTreeObjectHelper(
pdf.getTrailer().getKey("/Bad1"), pdf);
assert(bad1.begin() == bad1.end());
assert(bad1.last() == bad1.end());
std::cout << "/Bad2" << std::endl;
auto bad2 = QPDFNumberTreeObjectHelper(
pdf.getTrailer().getKey("/Bad2"), pdf);
for (auto& i: bad2)
{
std::cout << i.first << " " << i.second.unparse() << std::endl;
}
std::vector<std::string> empties = {"/Empty1", "/Empty2"};
for (auto const& k: empties)
{
std::cout << k << std::endl;
auto empty = QPDFNumberTreeObjectHelper(
pdf.getTrailer().getKey(k), pdf);
assert(empty.begin() == empty.end());
assert(empty.last() == empty.end());
auto i = empty.insert(5, QPDFObjectHandle::newString("5"));
assert(i->first == 5);
assert(i->second.getStringValue() == "5");
assert(empty.begin()->first == 5);
assert(empty.last()->first == 5);
assert(empty.begin()->second.getStringValue() == "5");
i = empty.insert(5, QPDFObjectHandle::newString("5+"));
assert(i->first == 5);
assert(i->second.getStringValue() == "5+");
assert(empty.begin()->second.getStringValue() == "5+");
i = empty.insert(6, QPDFObjectHandle::newString("6"));
assert(i->first == 6);
assert(i->second.getStringValue() == "6");
assert(empty.begin()->second.getStringValue() == "5+");
assert(empty.last()->first == 6);
assert(empty.last()->second.getStringValue() == "6");
}
std::cout << "Insert into invalid" << std::endl;
auto invalid1 = QPDFNumberTreeObjectHelper(
QPDFObjectHandle::newDictionary(), pdf);
try
{
invalid1.insert(1, QPDFObjectHandle::newNull());
}
catch (QPDFExc& e)
{
std::cout << e.what() << std::endl;
}
std::cout << "/Bad3, no repair" << std::endl;
auto bad3_oh = pdf.getTrailer().getKey("/Bad3");
auto bad3 = QPDFNumberTreeObjectHelper(bad3_oh, pdf, false);
for (auto& i: bad3)
{
std::cout << i.first << " " << i.second.unparse() << std::endl;
}
assert(! bad3_oh.getKey("/Kids").getArrayItem(0).isIndirect());
std::cout << "/Bad3, repair" << std::endl;
bad3 = QPDFNumberTreeObjectHelper(bad3_oh, pdf, true);
for (auto& i: bad3)
{
std::cout << i.first << " " << i.second.unparse() << std::endl;
}
assert(bad3_oh.getKey("/Kids").getArrayItem(0).isIndirect());
std::cout << "/Bad4 -- missing limits" << std::endl;
auto bad4 = QPDFNumberTreeObjectHelper(
pdf.getTrailer().getKey("/Bad4"), pdf);
bad4.insert(5, QPDFObjectHandle::newString("5"));
for (auto& i: bad4)
{
std::cout << i.first << " " << i.second.unparse() << std::endl;
}
std::cout << "/Bad5 -- limit errors" << std::endl;
auto bad5 = QPDFNumberTreeObjectHelper(
pdf.getTrailer().getKey("/Bad5"), pdf);
assert(bad5.find(10) == bad5.end());
}
static void test_47(QPDF& pdf, char const* arg2)
{
// Test page labels.
QPDFPageLabelDocumentHelper pldh(pdf);
long long npages = pdf.getRoot().getKey("/Pages").
getKey("/Count").getIntValue();
std::vector<QPDFObjectHandle> labels;
pldh.getLabelsForPageRange(0, npages - 1, 1, labels);
assert(labels.size() % 2 == 0);
for (size_t i = 0; i < labels.size(); i+= 2)
{
std::cout << labels.at(i).getIntValue() << " "
<< labels.at(i+1).unparse() << std::endl;
}
}
static void test_48(QPDF& pdf, char const* arg2)
{
// Test name tree. This test is crafted to work with
// name-tree.pdf
QPDFObjectHandle qtest = pdf.getTrailer().getKey("/QTest");
QPDFNameTreeObjectHelper ntoh(qtest, pdf);
for (auto& iter: ntoh)
{
std::cout << iter.first << " -> "
<< iter.second.getStringValue()
<< std::endl;
}
std::map<std::string, QPDFObjectHandle> ntoh_map = ntoh.getAsMap();
for (auto& iter: ntoh_map)
{
std::cout << iter.first << " -> "
<< iter.second.getStringValue()
<< std::endl;
}
assert(ntoh.hasName("11 elephant"));
assert(ntoh.hasName("07 sev\xe2\x80\xa2n"));
assert(! ntoh.hasName("potato"));
QPDFObjectHandle oh;
assert(! ntoh.findObject("potato", oh));
assert(ntoh.findObject("07 sev\xe2\x80\xa2n", oh));
assert("seven!" == oh.getStringValue());
auto last = ntoh.last();
assert(last->first == "29 twenty-nine");
assert(last->second.getUTF8Value() == "twenty-nine!");
auto new1 = QPDFNameTreeObjectHelper::newEmpty(pdf);
auto iter1 = new1.begin();
assert(iter1 == new1.end());
++iter1;
assert(iter1 == new1.end());
--iter1;
assert(iter1 == new1.end());
new1.insert("1", QPDFObjectHandle::newString("1"));
++iter1;
assert(iter1->first == "1");
auto& iter1_val = *iter1;
--iter1;
assert(iter1 == new1.end());
--iter1;
assert(iter1->first == "1");
assert(iter1_val.first == "1");
new1.insert("2", QPDFObjectHandle::newString("2"));
++iter1;
assert(iter1->first == "2");
assert(iter1_val.first == "2");
++iter1;
assert(iter1 == new1.end());
assert(! iter1_val.second.isInitialized());
++iter1;
assert(iter1->first == "1");
--iter1;
assert(iter1 == new1.end());
--iter1;
assert(iter1->first == "2");
std::cout << "insertAfter" << std::endl;
auto new2 = QPDFNameTreeObjectHelper::newEmpty(pdf);
auto iter2 = new2.begin();
assert(iter2 == new2.end());
iter2.insertAfter("3", QPDFObjectHandle::newString("3!"));
assert(iter2->first == "3");
iter2.insertAfter("4", QPDFObjectHandle::newString("4!"));
assert(iter2->first == "4");
for (auto& i: new2)
{
std::cout << i.first << " " << i.second.unparse() << std::endl;
}
std::vector<std::string> empties = {"/Empty1", "/Empty2"};
for (auto const& k: empties)
{
std::cout << k << std::endl;
auto empty = QPDFNameTreeObjectHelper(
pdf.getTrailer().getKey(k), pdf);
assert(empty.begin() == empty.end());
assert(empty.last() == empty.end());
auto i = empty.insert("five", QPDFObjectHandle::newString("5"));
assert(i->first == "five");
assert(i->second.getStringValue() == "5");
assert(empty.begin()->first == "five");
assert(empty.last()->first == "five");
assert(empty.begin()->second.getStringValue() == "5");
i = empty.insert("five", QPDFObjectHandle::newString("5+"));
assert(i->first == "five");
assert(i->second.getStringValue() == "5+");
assert(empty.begin()->second.getStringValue() == "5+");
i = empty.insert("six", QPDFObjectHandle::newString("6"));
assert(i->first == "six");
assert(i->second.getStringValue() == "6");
assert(empty.begin()->second.getStringValue() == "5+");
assert(empty.last()->first == "six");
assert(empty.last()->second.getStringValue() == "6");
}
// Exercise deprecated API until qpdf 11
std::cout << "/Bad1: deprecated API" << std::endl;
#ifdef _MSC_VER
# pragma warning (disable: 4996)
#endif
#if (defined(__GNUC__) || defined(__clang__))
# pragma GCC diagnostic push
# pragma GCC diagnostic ignored "-Wdeprecated-declarations"
#endif
auto bad1 = QPDFNameTreeObjectHelper(
pdf.getTrailer().getKey("/Bad1"));
#if (defined(__GNUC__) || defined(__clang__))
# pragma GCC diagnostic pop
#endif
try
{
bad1.find("G", true);
assert(false);
}
catch (std::runtime_error& e)
{
std::cout << e.what() << std::endl;
}
std::cout << "/Bad1 -- wrong key type" << std::endl;
bad1 = QPDFNameTreeObjectHelper(
pdf.getTrailer().getKey("/Bad1"), pdf);
assert(bad1.find("G", true)->first == "A");
for (auto const& i: bad1)
{
std::cout << i.first << std::endl;
}
std::cout << "/Bad2 -- invalid kid" << std::endl;
auto bad2 = QPDFNameTreeObjectHelper(
pdf.getTrailer().getKey("/Bad2"), pdf);
assert(bad2.find("G", true)->first == "B");
for (auto const& i: bad2)
{
std::cout << i.first << std::endl;
}
std::cout << "/Bad3 -- invalid kid" << std::endl;
auto bad3 = QPDFNameTreeObjectHelper(
pdf.getTrailer().getKey("/Bad3"), pdf);
assert(bad3.find("G", true) == bad3.end());
std::cout << "/Bad4 -- invalid kid" << std::endl;
auto bad4 = QPDFNameTreeObjectHelper(
pdf.getTrailer().getKey("/Bad4"), pdf);
assert(bad4.find("F", true)->first == "C");
for (auto const& i: bad4)
{
std::cout << i.first << std::endl;
}
std::cout << "/Bad5 -- loop in find" << std::endl;
auto bad5 = QPDFNameTreeObjectHelper(
pdf.getTrailer().getKey("/Bad5"), pdf);
assert(bad5.find("F", true)->first == "D");
std::cout << "/Bad6 -- bad limits" << std::endl;
auto bad6 = QPDFNameTreeObjectHelper(
pdf.getTrailer().getKey("/Bad6"), pdf);
assert(bad6.insert("H", QPDFObjectHandle::newNull())->first == "H");
}
static void test_49(QPDF& pdf, char const* arg2)
{
// Outlines
std::vector<QPDFPageObjectHelper> pages =
QPDFPageDocumentHelper(pdf).getAllPages();
QPDFOutlineDocumentHelper odh(pdf);
int pageno = 0;
for (std::vector<QPDFPageObjectHelper>::iterator iter = pages.begin();
iter != pages.end(); ++iter, ++pageno)
{
std::vector<QPDFOutlineObjectHelper> outlines =
odh.getOutlinesForPage((*iter).getObjectHandle().getObjGen());
for (std::vector<QPDFOutlineObjectHelper>::iterator oiter =
outlines.begin();
oiter != outlines.end(); ++oiter)
{
std::cout
<< "page " << pageno << ": "
<< (*oiter).getTitle() << " -> "
<< (*oiter).getDest().unparseResolved() << std::endl;
}
}
}
static void test_50(QPDF& pdf, char const* arg2)
{
// Test dictionary merge. This test is crafted to work with
// merge-dict.pdf
QPDFObjectHandle d1 = pdf.getTrailer().getKey("/Dict1");
QPDFObjectHandle d2 = pdf.getTrailer().getKey("/Dict2");
d1.mergeResources(d2);
std::cout << d1.getJSON().unparse() << std::endl;
// Top-level type mismatch
d1.mergeResources(d2.getKey("/k1"));
std::set<std::string> names = d1.getResourceNames();
for (std::set<std::string>::iterator iter = names.begin();
iter != names.end(); ++iter)
{
std::cout << *iter << std::endl;
}
}
static void test_51(QPDF& pdf, char const* arg2)
{
// Test radio button and checkbox field setting. The input
// files must have radios button called r1 and r2 and
// checkboxes called checkbox1 and checkbox2. The files
// button-set*.pdf are designed for this test case.
QPDFObjectHandle acroform = pdf.getRoot().getKey("/AcroForm");
QPDFObjectHandle fields = acroform.getKey("/Fields");
int nitems = fields.getArrayNItems();
for (int i = 0; i < nitems; ++i)
{
QPDFObjectHandle field = fields.getArrayItem(i);
QPDFObjectHandle T = field.getKey("/T");
if (! T.isString())
{
continue;
}
std::string Tval = T.getUTF8Value();
if (Tval == "r1")
{
std::cout << "setting r1 via parent\n";
QPDFFormFieldObjectHelper foh(field);
foh.setV(QPDFObjectHandle::newName("/2"));
}
else if (Tval == "r2")
{
std::cout << "setting r2 via child\n";
field = field.getKey("/Kids").getArrayItem(1);
QPDFFormFieldObjectHelper foh(field);
foh.setV(QPDFObjectHandle::newName("/3"));
}
else if (Tval == "checkbox1")
{
std::cout << "turning checkbox1 on\n";
QPDFFormFieldObjectHelper foh(field);
foh.setV(QPDFObjectHandle::newName("/Yes"));
}
else if (Tval == "checkbox2")
{
std::cout << "turning checkbox2 off\n";
QPDFFormFieldObjectHelper foh(field);
foh.setV(QPDFObjectHandle::newName("/Off"));
}
}
QPDFWriter w(pdf, "a.pdf");
w.setQDFMode(true);
w.setStaticID(true);
w.write();
}
static void test_52(QPDF& pdf, char const* arg2)
{
// This test just sets a field value for appearance stream
// generating testing.
QPDFObjectHandle acroform = pdf.getRoot().getKey("/AcroForm");
QPDFObjectHandle fields = acroform.getKey("/Fields");
int nitems = fields.getArrayNItems();
for (int i = 0; i < nitems; ++i)
{
QPDFObjectHandle field = fields.getArrayItem(i);
QPDFObjectHandle T = field.getKey("/T");
if (! T.isString())
{
continue;
}
std::string Tval = T.getUTF8Value();
if (Tval == "list1")
{
std::cout << "setting list1 value\n";
QPDFFormFieldObjectHelper foh(field);
foh.setV(QPDFObjectHandle::newString(arg2));
}
}
QPDFWriter w(pdf, "a.pdf");
w.write();
}
static void test_53(QPDF& pdf, char const* arg2)
{
// Test get all objects and dangling ref handling
QPDFObjectHandle root = pdf.getRoot();
root.replaceKey(
"/Q1",
pdf.makeIndirectObject(QPDFObjectHandle::newString("potato")));
std::cout << "all objects" << std::endl;
std::vector<QPDFObjectHandle> all = pdf.getAllObjects();
for (std::vector<QPDFObjectHandle>::iterator iter = all.begin();
iter != all.end(); ++iter)
{
std::cout << (*iter).unparse() << std::endl;
}
QPDFWriter w(pdf, "a.pdf");
w.setStaticID(true);
w.write();
}
static void test_54(QPDF& pdf, char const* arg2)
{
// Test getFinalVersion. This must be invoked with a file
// whose final version is not 1.5.
QPDFWriter w(pdf, "a.pdf");
assert(pdf.getPDFVersion() != "1.5");
w.setObjectStreamMode(qpdf_o_generate);
if (w.getFinalVersion() != "1.5")
{
std::cout << "oops: " << w.getFinalVersion() << std::endl;
}
}
static void test_55(QPDF& pdf, char const* arg2)
{
// Form XObjects
std::vector<QPDFPageObjectHelper> pages =
QPDFPageDocumentHelper(pdf).getAllPages();
QPDFObjectHandle qtest = QPDFObjectHandle::newArray();
for (std::vector<QPDFPageObjectHelper>::iterator iter = pages.begin();
iter != pages.end(); ++iter)
{
QPDFPageObjectHelper& ph(*iter);
qtest.appendItem(ph.getFormXObjectForPage());
qtest.appendItem(ph.getFormXObjectForPage(false));
}
pdf.getTrailer().replaceKey("/QTest", qtest);
QPDFWriter w(pdf, "a.pdf");
w.setQDFMode(true);
w.setStaticID(true);
w.write();
}
static void test_56_59(QPDF& pdf, char const* arg2,
bool handle_from_transformation,
bool invert_to_transformation)
{
// red pages are from pdf, blue pages are from pdf2
// red pages always have stated rotation absolutely
// 56: blue pages are overlaid exactly on top of red pages
// 57: blue pages have stated rotation relative to red pages
// 58: blue pages have no rotation (absolutely upright)
// 59: blue pages have stated rotation absolutely
// Placing form XObjects
assert(arg2);
QPDF pdf2;
pdf2.processFile(arg2);
std::vector<QPDFPageObjectHelper> pages1 =
QPDFPageDocumentHelper(pdf).getAllPages();
std::vector<QPDFPageObjectHelper> pages2 =
QPDFPageDocumentHelper(pdf2).getAllPages();
size_t npages = (pages1.size() < pages2.size()
? pages1.size() : pages2.size());
for (size_t i = 0; i < npages; ++i)
{
QPDFPageObjectHelper& ph1 = pages1.at(i);
QPDFPageObjectHelper& ph2 = pages2.at(i);
QPDFObjectHandle fo = pdf.copyForeignObject(
ph2.getFormXObjectForPage(handle_from_transformation));
int min_suffix = 1;
QPDFObjectHandle resources = ph1.getAttribute("/Resources", true);
std::string name = resources.getUniqueResourceName(
"/Fx", min_suffix);
std::string content =
ph1.placeFormXObject(
fo, name, ph1.getTrimBox().getArrayAsRectangle(),
invert_to_transformation);
if (! content.empty())
{
resources.mergeResources(
QPDFObjectHandle::parse("<< /XObject << >> >>"));
resources.getKey("/XObject").replaceKey(name, fo);
ph1.addPageContents(
QPDFObjectHandle::newStream(&pdf, "q\n"), true);
ph1.addPageContents(
QPDFObjectHandle::newStream(&pdf, "\nQ\n" + content),
false);
}
}
QPDFWriter w(pdf, "a.pdf");
w.setQDFMode(true);
w.setStaticID(true);
w.write();
}
static void test_56(QPDF& pdf, char const* arg2)
{
test_56_59(pdf, arg2, false, false);
}
static void test_57(QPDF& pdf, char const* arg2)
{
test_56_59(pdf, arg2, true, false);
}
static void test_58(QPDF& pdf, char const* arg2)
{
test_56_59(pdf, arg2, false, true);
}
static void test_59(QPDF& pdf, char const* arg2)
{
test_56_59(pdf, arg2, true, true);
}
static void test_60(QPDF& pdf, char const* arg2)
{
// Boundary condition testing for getUniqueResourceName;
// additional testing of mergeResources with conflict
// detection
QPDFObjectHandle r1 = QPDFObjectHandle::newDictionary();
int min_suffix = 1;
for (int i = 1; i < 3; ++i)
{
std::string name = r1.getUniqueResourceName("/Quack", min_suffix);
r1.mergeResources(QPDFObjectHandle::parse("<< /Z << >> >>"));
r1.getKey("/Z").replaceKey(
name, QPDFObjectHandle::newString("moo"));
}
auto make_resource = [&](QPDFObjectHandle& dict,
std::string const& key,
std::string const& str) {
auto o1 = QPDFObjectHandle::newArray();
o1.appendItem(QPDFObjectHandle::newString(str));
dict.replaceKey(key, pdf.makeIndirectObject(o1));
};
auto z = r1.getKey("/Z");
r1.replaceKey("/Y", QPDFObjectHandle::newDictionary());
auto y = r1.getKey("/Y");
make_resource(z, "/F1", "r1.Z.F1");
make_resource(z, "/F2", "r1.Z.F2");
make_resource(y, "/F2", "r1.Y.F2");
make_resource(y, "/F3", "r1.Y.F3");
QPDFObjectHandle r2 =
QPDFObjectHandle::parse("<< /Z << >> /Y << >> >>");
z = r2.getKey("/Z");
y = r2.getKey("/Y");
make_resource(z, "/F2", "r2.Z.F2");
make_resource(y, "/F3", "r2.Y.F3");
make_resource(y, "/F4", "r2.Y.F4");
// Add a direct object
y.replaceKey("/F5", QPDFObjectHandle::newString("direct r2.Y.F5"));
std::map<std::string, std::map<std::string, std::string>> conflicts;
auto show_conflicts = [&](std::string const& msg) {
std::cout << msg << std::endl;
for (auto const& i1: conflicts)
{
std::cout << i1.first << ":" << std::endl;
for (auto const& i2: i1.second)
{
std::cout << " " << i2.first << " -> " << i2.second
<< std::endl;
}
}
};
r1.mergeResources(r2, &conflicts);
show_conflicts("first merge");
auto r3 = r1.shallowCopy();
// Merge again. The direct object gets recopied. Everything
// else is the same.
r1.mergeResources(r2, &conflicts);
show_conflicts("second merge");
// Make all resources in r2 direct. Then merge two more times.
// We should get the one previously direct object copied one
// time as an indirect object.
r2.makeResourcesIndirect(pdf);
r1.mergeResources(r2, &conflicts);
show_conflicts("third merge");
r1.mergeResources(r2, &conflicts);
show_conflicts("fourth merge");
// The only differences between /QTest and /QTest3 should be
// the direct objects merged from r2.
pdf.getTrailer().replaceKey("/QTest1", r1);
pdf.getTrailer().replaceKey("/QTest2", r2);
pdf.getTrailer().replaceKey("/QTest3", r3);
QPDFWriter w(pdf, "a.pdf");
w.setQDFMode(true);
w.setStaticID(true);
w.write();
}
static void test_61(QPDF& pdf, char const* arg2)
{
// Test to make sure exceptions can be caught properly across
// shared library boundaries.
pdf.setAttemptRecovery(false);
pdf.setSuppressWarnings(true);
try
{
pdf.processMemoryFile("empty", "", 0);
}
catch (QPDFExc const&)
{
std::cout << "Caught QPDFExc as expected" << std::endl;
}
try
{
QUtil::safe_fopen("/does/not/exist", "r");
}
catch (QPDFSystemError const&)
{
std::cout << "Caught QPDFSystemError as expected" << std::endl;
}
try
{
QUtil::int_to_string_base(0, 12);
}
catch (std::logic_error const&)
{
std::cout << "Caught logic_error as expected" << std::endl;
}
try
{
QUtil::toUTF8(0xffffffff);
}
catch (std::runtime_error const&)
{
std::cout << "Caught runtime_error as expected" << std::endl;
}
}
static void test_62(QPDF& pdf, char const* arg2)
{
// Test int size checks. This test will fail if int and long
// long are the same size.
QPDFObjectHandle t = pdf.getTrailer();
unsigned long long q1_l = 3ULL * QIntC::to_ulonglong(INT_MAX);
long long q1 = QIntC::to_longlong(q1_l);
long long q2_l = 3LL * QIntC::to_longlong(INT_MIN);
long long q2 = QIntC::to_longlong(q2_l);
unsigned int q3_i = UINT_MAX;
long long q3 = QIntC::to_longlong(q3_i);
t.replaceKey("/Q1", QPDFObjectHandle::newInteger(q1));
t.replaceKey("/Q2", QPDFObjectHandle::newInteger(q2));
t.replaceKey("/Q3", QPDFObjectHandle::newInteger(q3));
assert_compare_numbers(q1, t.getKey("/Q1").getIntValue());
assert_compare_numbers(q1_l, t.getKey("/Q1").getUIntValue());
assert_compare_numbers(INT_MAX, t.getKey("/Q1").getIntValueAsInt());
assert_compare_numbers(UINT_MAX, t.getKey("/Q1").getUIntValueAsUInt());
assert_compare_numbers(q2_l, t.getKey("/Q2").getIntValue());
assert_compare_numbers(0U, t.getKey("/Q2").getUIntValue());
assert_compare_numbers(INT_MIN, t.getKey("/Q2").getIntValueAsInt());
assert_compare_numbers(0U, t.getKey("/Q2").getUIntValueAsUInt());
assert_compare_numbers(INT_MAX, t.getKey("/Q3").getIntValueAsInt());
assert_compare_numbers(UINT_MAX, t.getKey("/Q3").getUIntValueAsUInt());
}
static void test_63(QPDF& pdf, char const* arg2)
{
QPDFWriter w(pdf);
// Exercise setting encryption parameters before setting the
// output filename. The previous bug does not happen if static
// or deterministic ID is used because the filename is not
// used as part of the input data for ID generation in those
// cases.
w.setR6EncryptionParameters(
"u", "o", true, true, true, true, true, true, qpdf_r3p_full, true);
w.setOutputFilename("a.pdf");
w.write();
}
static void test_64_67(QPDF& pdf, char const* arg2,
bool allow_shrink, bool allow_expand)
{
// Overlay file2 on file1.
// 64: allow neither shrink nor shrink
// 65: allow shrink but not expand
// 66: allow expand but not shrink
// 67: allow both shrink and expand
// Placing form XObjects: expand, shrink
assert(arg2);
QPDF pdf2;
pdf2.processFile(arg2);
std::vector<QPDFPageObjectHelper> pages1 =
QPDFPageDocumentHelper(pdf).getAllPages();
std::vector<QPDFPageObjectHelper> pages2 =
QPDFPageDocumentHelper(pdf2).getAllPages();
size_t npages = (pages1.size() < pages2.size()
? pages1.size() : pages2.size());
for (size_t i = 0; i < npages; ++i)
{
QPDFPageObjectHelper& ph1 = pages1.at(i);
QPDFPageObjectHelper& ph2 = pages2.at(i);
QPDFObjectHandle fo = pdf.copyForeignObject(
ph2.getFormXObjectForPage());
int min_suffix = 1;
QPDFObjectHandle resources = ph1.getAttribute("/Resources", true);
std::string name = resources.getUniqueResourceName(
"/Fx", min_suffix);
std::string content =
ph1.placeFormXObject(
fo, name, ph1.getTrimBox().getArrayAsRectangle(),
false, allow_shrink, allow_expand);
if (! content.empty())
{
resources.mergeResources(
QPDFObjectHandle::parse("<< /XObject << >> >>"));
resources.getKey("/XObject").replaceKey(name, fo);
ph1.addPageContents(
QPDFObjectHandle::newStream(&pdf, "q\n"), true);
ph1.addPageContents(
QPDFObjectHandle::newStream(&pdf, "\nQ\n" + content),
false);
}
}
QPDFWriter w(pdf, "a.pdf");
w.setQDFMode(true);
w.setStaticID(true);
w.write();
}
static void test_64(QPDF& pdf, char const* arg2)
{
test_64_67(pdf, arg2, false, false);
}
static void test_65(QPDF& pdf, char const* arg2)
{
test_64_67(pdf, arg2, true, false);
}
static void test_66(QPDF& pdf, char const* arg2)
{
test_64_67(pdf, arg2, false, true);
}
static void test_67(QPDF& pdf, char const* arg2)
{
test_64_67(pdf, arg2, true, true);
}
static void test_68(QPDF& pdf, char const* arg2)
{
QPDFObjectHandle root = pdf.getRoot();
QPDFObjectHandle qstream = root.getKey("/QStream");
try
{
qstream.getStreamData();
std::cout << "oops -- didn't throw" << std::endl;
}
catch (std::exception& e)
{
std::cout << "get unfilterable stream: " << e.what()
<< std::endl;
}
PointerHolder<Buffer> b1 = qstream.getStreamData(qpdf_dl_all);
if ((b1->getSize() > 10) &&
(memcmp(b1->getBuffer(),
"wwwwwwwww", 9) == 0))
{
std::cout << "filtered stream data okay" << std::endl;
}
PointerHolder<Buffer> b2 = qstream.getRawStreamData();
if ((b2->getSize() > 10) &&
(memcmp(b2->getBuffer(),
"\xff\xd8\xff\xe0\x00\x10\x4a\x46\x49\x46", 10) == 0))
{
std::cout << "raw stream data okay" << std::endl;
}
}
static void test_69(QPDF& pdf, char const* arg2)
{
pdf.setImmediateCopyFrom(true);
auto pages = pdf.getAllPages();
for (size_t i = 0; i < pages.size(); ++i)
{
QPDF out;
out.emptyPDF();
out.addPage(pages.at(i), false);
std::string outname = std::string("auto-") +
QUtil::uint_to_string(i) + ".pdf";
QPDFWriter w(out, outname.c_str());
w.setStaticID(true);
w.write();
}
}
static void test_70(QPDF& pdf, char const* arg2)
{
auto trailer = pdf.getTrailer();
trailer.getKey("/S1").setFilterOnWrite(false);
trailer.getKey("/S2").setFilterOnWrite(false);
QPDFWriter w(pdf, "a.pdf");
w.setStaticID(true);
w.setDecodeLevel(qpdf_dl_specialized);
w.write();
}
static void test_71(QPDF& pdf, char const* arg2)
{
auto show = [](QPDFObjectHandle& obj,
QPDFObjectHandle& xobj_dict,
std::string const& key) {
std::cout << xobj_dict.unparse() << " -> "
<< key << " -> " << obj.unparse() << std::endl;
};
auto page = QPDFPageDocumentHelper(pdf).getAllPages().at(0);
std::cout << "--- recursive, all ---" << std::endl;
page.forEachXObject(true, show);
std::cout << "--- non-recursive, all ---" << std::endl;
page.forEachXObject(false, show);
std::cout << "--- recursive, images ---" << std::endl;
page.forEachImage(true, show);
std::cout << "--- non-recursive, images ---" << std::endl;
page.forEachImage(false, show);
std::cout << "--- recursive, form XObjects ---" << std::endl;
page.forEachFormXObject(true, show);
std::cout << "--- non-recursive, form XObjects ---" << std::endl;
page.forEachFormXObject(false, show);
auto fx1 = QPDFPageObjectHelper(
page.getObjectHandle()
.getKey("/Resources")
.getKey("/XObject")
.getKey("/Fx1"));
std::cout << "--- recursive, all, from fx1 ---" << std::endl;
fx1.forEachXObject(true, show);
std::cout << "--- non-recursive, all, from fx1 ---" << std::endl;
fx1.forEachXObject(false, show);
std::cout << "--- get images, page ---" << std::endl;
for (auto& i: page.getImages())
{
std::cout << i.first << " -> " << i.second.unparse() << std::endl;
}
std::cout << "--- get images, fx ---" << std::endl;
for (auto& i: fx1.getImages())
{
std::cout << i.first << " -> " << i.second.unparse() << std::endl;
}
std::cout << "--- get form XObjects, page ---" << std::endl;
for (auto& i: page.getFormXObjects())
{
std::cout << i.first << " -> " << i.second.unparse() << std::endl;
}
std::cout << "--- get form XObjects, fx ---" << std::endl;
for (auto& i: fx1.getFormXObjects())
{
std::cout << i.first << " -> " << i.second.unparse() << std::endl;
}
}
static void test_72(QPDF& pdf, char const* arg2)
{
// Call some QPDFPageObjectHelper methods on form XObjects.
auto page = QPDFPageDocumentHelper(pdf).getAllPages().at(0);
auto fx1 = QPDFPageObjectHelper(
page.getObjectHandle()
.getKey("/Resources")
.getKey("/XObject")
.getKey("/Fx1"));
std::cout << "--- parseContents ---" << std::endl;
ParserCallbacks cb;
fx1.parseContents(&cb);
// Do this once with addContentTokenFilter and once with
// addTokenFilter to show that they are the same and to ensure
// that addTokenFilter is directly exercised in testing.
for (int i = 0; i < 2; i++)
{
Pl_Buffer b("buffer");
if (i == 0)
{
fx1.addContentTokenFilter(new TokenFilter);
}
else
{
fx1.getObjectHandle().addTokenFilter(new TokenFilter);
}
fx1.pipeContents(&b);
std::unique_ptr<Buffer> buf(b.getBuffer());
std::string s(
reinterpret_cast<char const*>(buf->getBuffer()),
buf->getSize());
assert(s.find("/bye") != std::string::npos);
}
}
static void test_73(QPDF& pdf, char const* arg2)
{
try
{
QPDF pdf2;
pdf2.getRoot();
}
catch (std::exception& e)
{
std::cerr << "getRoot: " << e.what() << std::endl;
}
pdf.closeInputSource();
pdf.getRoot().getKey("/Pages").unparseResolved();
}
static void test_74(QPDF& pdf, char const* arg2)
{
// This test is crafted to work with split-nntree.pdf
std::cout << "/Split1" << std::endl;
auto split1 = QPDFNumberTreeObjectHelper(
pdf.getTrailer().getKey("/Split1"), pdf);
split1.setSplitThreshold(4);
auto check_split1 = [&split1](int k) {
auto i = split1.insert(k, QPDFObjectHandle::newString(
QUtil::int_to_string(k)));
assert(i->first == k);
};
check_split1(15);
check_split1(35);
check_split1(125);
for (auto const& i: split1)
{
std::cout << i.first << std::endl;
}
std::cout << "/Split2" << std::endl;
auto split2 = QPDFNameTreeObjectHelper(
pdf.getTrailer().getKey("/Split2"), pdf);
split2.setSplitThreshold(4);
auto check_split2 = [](QPDFNameTreeObjectHelper& noh,
std::string const& k) {
auto i = noh.insert(k, QPDFObjectHandle::newUnicodeString(k));
assert(i->first == k);
};
check_split2(split2, "C");
for (auto const& i: split2)
{
std::cout << i.first << std::endl;
}
std::cout << "/Split3" << std::endl;
auto split3 = QPDFNameTreeObjectHelper(
pdf.getTrailer().getKey("/Split3"), pdf);
split3.setSplitThreshold(4);
check_split2(split3, "P");
check_split2(split3, "\xcf\x80");
for (auto& i: split3)
{
std::cout << i.first << " " << i.second.unparse() << std::endl;
}
QPDFWriter w(pdf, "a.pdf");
w.setStaticID(true);
w.setQDFMode(true);
w.write();
}
static void test_75(QPDF& pdf, char const* arg2)
{
// This test is crafted to work with erase-nntree.pdf
auto erase1 = QPDFNameTreeObjectHelper(
pdf.getTrailer().getKey("/Erase1"), pdf);
QPDFObjectHandle value;
assert(! erase1.remove("1X"));
assert(erase1.remove("1C", &value));
assert(value.getUTF8Value() == "c");
auto iter1 = erase1.find("1B");
iter1.remove();
assert(iter1->first == "1D");
iter1.remove();
assert(iter1 == erase1.end());
--iter1;
assert(iter1->first == "1A");
iter1.remove();
assert(iter1 == erase1.end());
auto erase2_oh = pdf.getTrailer().getKey("/Erase2");
auto erase2 = QPDFNumberTreeObjectHelper(erase2_oh, pdf);
auto iter2 = erase2.find(250);
iter2.remove();
assert(iter2 == erase2.end());
--iter2;
assert(iter2->first == 240);
auto k1 = erase2_oh.getKey("/Kids").getArrayItem(1);
auto l1 = k1.getKey("/Limits");
assert(l1.getArrayItem(0).getIntValue() == 230);
assert(l1.getArrayItem(1).getIntValue() == 240);
iter2 = erase2.find(210);
iter2.remove();
assert(iter2->first == 220);
k1 = erase2_oh.getKey("/Kids").getArrayItem(0);
l1 = k1.getKey("/Limits");
assert(l1.getArrayItem(0).getIntValue() == 220);
assert(l1.getArrayItem(1).getIntValue() == 220);
k1 = k1.getKey("/Kids");
assert(k1.getArrayNItems() == 1);
auto erase3 = QPDFNumberTreeObjectHelper(
pdf.getTrailer().getKey("/Erase3"), pdf);
iter2 = erase3.find(320);
iter2.remove();
assert(iter2 == erase3.end());
erase3.remove(310);
assert(erase3.begin() == erase3.end());
auto erase4 = QPDFNumberTreeObjectHelper(
pdf.getTrailer().getKey("/Erase4"), pdf);
iter2 = erase4.find(420);
iter2.remove();
assert(iter2->first == 430);
QPDFWriter w(pdf, "a.pdf");
w.setStaticID(true);
w.setQDFMode(true);
w.write();
}
static void test_76(QPDF& pdf, char const* arg2)
{
// Embedded files. arg2 is a file to attach. Hard-code the
// mime type and file name for test purposes.
QPDFEmbeddedFileDocumentHelper efdh(pdf);
auto fs1 = QPDFFileSpecObjectHelper::createFileSpec(
pdf, "att1.txt", arg2);
fs1.setDescription("some text");
auto efs1 = QPDFEFStreamObjectHelper(fs1.getEmbeddedFileStream());
efs1.setSubtype("text/plain")
.setCreationDate("D:20210207191121-05'00'")
.setModDate("D:20210208001122Z");
efdh.replaceEmbeddedFile("att1", fs1);
auto efs2 = QPDFEFStreamObjectHelper::createEFStream(
pdf, "from string");
efs2.setSubtype("text/plain");
Pl_Buffer p("buffer");
p.write(QUtil::unsigned_char_pointer("from buffer"), 11);
p.finish();
auto efs3 = QPDFEFStreamObjectHelper::createEFStream(
pdf, p.getBuffer());
efs3.setSubtype("text/plain");
efdh.replaceEmbeddedFile(
"att2", QPDFFileSpecObjectHelper::createFileSpec(
pdf, "att2.txt", efs2));
auto fs3 = QPDFFileSpecObjectHelper::createFileSpec(
pdf, "att3.txt", efs3);
efdh.replaceEmbeddedFile("att3", fs3);
fs3.setFilename("\xcf\x80.txt", "att3.txt");
assert(efs1.getCreationDate() == "D:20210207191121-05'00'");
assert(efs1.getModDate() == "D:20210208001122Z");
assert(efs2.getSize() == 11);
assert(efs2.getSubtype() == "text/plain");
assert(QUtil::hex_encode(efs2.getChecksum()) ==
"2fce9c8228e360ba9b04a1bd1bf63d6b");
for (auto iter: efdh.getEmbeddedFiles())
{
std::cout << iter.first << " -> " << iter.second->getFilename()
<< std::endl;
}
assert(efdh.getEmbeddedFile("att1")->getFilename() == "att1.txt");
assert(! efdh.getEmbeddedFile("potato"));
QPDFWriter w(pdf, "a.pdf");
w.setStaticID(true);
w.setQDFMode(true);
w.write();
}
static void test_77(QPDF& pdf, char const* arg2)
{
QPDFEmbeddedFileDocumentHelper efdh(pdf);
assert(efdh.removeEmbeddedFile("att2"));
assert(! efdh.removeEmbeddedFile("att2"));
QPDFWriter w(pdf, "a.pdf");
w.setStaticID(true);
w.setQDFMode(true);
w.write();
}
static void test_78(QPDF& pdf, char const* arg2)
{
// Test functional versions of replaceStreamData()
auto f1 = [](Pipeline* p) {
p->write(QUtil::unsigned_char_pointer("potato"), 6);
p->finish();
};
auto f2 = [](Pipeline* p, bool suppress_warnings, bool will_retry) {
std::cerr << "f2" << std::endl;
if (will_retry)
{
std::cerr << "failing" << std::endl;
return false;
}
if (! suppress_warnings)
{
std::cerr << "warning" << std::endl;
}
p->write(QUtil::unsigned_char_pointer("salad"), 5);
p->finish();
std::cerr << "f2 done" << std::endl;
return true;
};
auto null = QPDFObjectHandle::newNull();
auto s1 = QPDFObjectHandle::newStream(&pdf);
s1.replaceStreamData(f1, null, null);
auto s2 = QPDFObjectHandle::newStream(&pdf);
s2.replaceStreamData(f2, null, null);
pdf.getTrailer().replaceKey(
"/Streams", QPDFObjectHandle::newArray({s1, s2}));
std::cout << "piping with warning suppression" << std::endl;
Pl_Discard d;
s2.pipeStreamData(&d, nullptr, 0, qpdf_dl_all, true, false);
std::cout << "writing" << std::endl;
QPDFWriter w(pdf, "a.pdf");
w.setStaticID(true);
w.setQDFMode(true);
w.write();
}
static void test_79(QPDF& pdf, char const* arg2)
{
// Exercise stream copier
// Copy streams. Modify the original and make sure the copy is
// unaffected.
auto copies = QPDFObjectHandle::newArray();
pdf.getTrailer().replaceKey("/Copies", copies);
auto null = QPDFObjectHandle::newNull();
// Get a regular stream from the file
auto p1 = pdf.getAllPages().at(0);
auto s1 = p1.getKey("/Contents");
// Create a stream from a string
auto s2 = QPDFObjectHandle::newStream(&pdf, "from string");
// Add direct and indirect objects to the dictionary
s2.getDict().replaceKey(
"/Stuff",
QPDFObjectHandle::parse(
&pdf,
"<< /Direct 3 /Indirect " +
pdf.makeIndirectObject(
QPDFObjectHandle::newInteger(16059)).unparse() + ">>"));
s2.getDict().replaceKey(
"/Other", QPDFObjectHandle::newString("other stuff"));
// Use a provider
Pl_Buffer b("buffer");
b.write(QUtil::unsigned_char_pointer("from buffer"), 11);
b.finish();
PointerHolder<Buffer> bp = b.getBuffer();
auto s3 = QPDFObjectHandle::newStream(&pdf, bp);
std::vector<QPDFObjectHandle> streams = {s1, s2, s3};
pdf.getTrailer().replaceKey(
"/Originals", QPDFObjectHandle::newArray(streams));
int i = 0;
for (auto orig: streams)
{
++i;
auto istr = QUtil::int_to_string(i);
auto orig_data = orig.getStreamData();
auto copy = orig.copyStream();
copy.getDict().replaceKey(
"/Other", QPDFObjectHandle::newString("other: " + istr));
orig.replaceStreamData("something new " + istr, null, null);
auto copy_data = copy.getStreamData();
assert(orig_data->getSize() == copy_data->getSize());
assert(memcmp(orig_data->getBuffer(),
copy_data->getBuffer(),
orig_data->getSize()) == 0);
copies.appendItem(copy);
}
QPDFWriter w(pdf, "a.pdf");
w.setStaticID(true);
w.setQDFMode(true);
w.write();
}
static void test_80(QPDF& pdf, char const* arg2)
{
// Exercise transform/copy annotations without passing in
// QPDFAcroFormDocumentHelper pointers. The case of passing
// them in is sufficiently exercised by testing through the
// qpdf CLI.
// The main file is a file that has lots of annotations. Arg2
// is a file to copy annotations to.
QPDFMatrix m;
m.translate(306, 396);
m.scale(0.4, 0.4);
auto page1 = pdf.getAllPages().at(0);
auto old_annots = page1.getKey("/Annots");
// Transform annotations and copy them back to the same page.
std::vector<QPDFObjectHandle> new_annots;
std::vector<QPDFObjectHandle> new_fields;
std::set<QPDFObjGen> old_fields;
QPDFAcroFormDocumentHelper afdh(pdf);
// Use defaults for from_qpdf and from_afdh.
afdh.transformAnnotations(
old_annots, new_annots, new_fields, old_fields, m);
for (auto const& annot: new_annots)
{
old_annots.appendItem(annot);
}
afdh.addAndRenameFormFields(new_fields);
m = QPDFMatrix();
m.translate(612, 0);
m.scale(-1, 1);
QPDF pdf2;
pdf2.processFile(arg2);
auto page2 = QPDFPageDocumentHelper(pdf2).getAllPages().at(0);
page2.copyAnnotations(page1, m);
QPDFWriter w1(pdf, "a.pdf");
w1.setStaticID(true);
w1.setQDFMode(true);
w1.write();
QPDFWriter w2(pdf2, "b.pdf");
w2.setStaticID(true);
w2.setQDFMode(true);
w2.write();
}
static void test_81(QPDF& pdf, char const* arg2)
{
// Exercise that type errors get their own special type
try
{
QPDFObjectHandle::newNull().getIntValue();
assert(false);
}
catch (QPDFExc& e)
{
assert(e.getErrorCode() == qpdf_e_object);
}
}
void runtest(int n, char const* filename1, char const* arg2)
{
// Most tests here are crafted to work on specific files. Look at
// the test suite to see how the test is invoked to find the file
// that the test is supposed to operate on.
if (n == 0)
{
// Throw in some random test cases that don't fit anywhere
// else. This is in addition to whatever else is going on in
// test 0.
// The code to trim user passwords looks for 0x28 (which is
// "(") since it marks the beginning of the padding. Exercise
// the code to make sure it skips over 0x28 characters that
// aren't part of padding.
std::string password(
"1234567890123456789012(45678\x28\xbf\x4e\x5e");
assert(password.length() == 32);
QPDF::trim_user_password(password);
assert(password == "1234567890123456789012(45678");
QPDFObjectHandle uninitialized;
assert(uninitialized.getTypeCode() == QPDFObject::ot_uninitialized);
assert(strcmp(uninitialized.getTypeName(), "uninitialized") == 0);
}
QPDF pdf;
PointerHolder<char> file_buf;
FILE* filep = 0;
if (n == 0)
{
pdf.setAttemptRecovery(false);
}
if (((n == 35) || (n == 36)) && (arg2 != 0))
{
// arg2 is password
pdf.processFile(filename1, arg2);
}
else if (n == 45)
{
// Decode obfuscated files. To obfuscated, run the input file
// through this perl script, and save the result to
// filename.obfuscated. This pretends that the input was
// called filename.pdf and that that file contained the
// deobfuscated version.
// undef $/;
// my @str = split('', <STDIN>);
// for (my $i = 0; $i < scalar(@str); ++$i)
// {
// $str[$i] = chr(ord($str[$i]) ^ 0xcc);
// }
// print(join('', @str));
std::string filename(std::string(filename1) + ".obfuscated");
size_t size = 0;
QUtil::read_file_into_memory(filename.c_str(), file_buf, size);
char* p = file_buf.getPointer();
for (size_t i = 0; i < size; ++i)
{
p[i] = static_cast<char>(p[i] ^ 0xcc);
}
pdf.processMemoryFile((std::string(filename1) + ".pdf").c_str(),
p, size);
}
else if ((n == 61) || (n == 81))
{
// Ignore filename argument entirely
}
else if (n % 2 == 0)
{
if (n % 4 == 0)
{
QTC::TC("qpdf", "exercise processFile(name)");
pdf.processFile(filename1);
}
else
{
QTC::TC("qpdf", "exercise processFile(FILE*)");
filep = QUtil::safe_fopen(filename1, "rb");
pdf.processFile(filename1, filep, false);
}
}
else
{
QTC::TC("qpdf", "exercise processMemoryFile");
size_t size = 0;
QUtil::read_file_into_memory(filename1, file_buf, size);
pdf.processMemoryFile(filename1, file_buf.getPointer(), size);
}
std::map<int, void (*)(QPDF&, char const*)> test_functions = {
{0, test_0_1}, {1, test_0_1}, {2, test_2}, {3, test_3},
{4, test_4}, {5, test_5}, {6, test_6}, {7, test_7},
{8, test_8}, {9, test_9}, {10, test_10}, {11, test_11},
{12, test_12}, {13, test_13}, {14, test_14}, {15, test_15},
{16, test_16}, {17, test_17}, {18, test_18}, {19, test_19},
{20, test_20}, {21, test_21}, {22, test_22}, {23, test_23},
{24, test_24}, {25, test_25}, {26, test_26}, {27, test_27},
{28, test_28}, {29, test_29}, {30, test_30}, {31, test_31},
{32, test_32}, {33, test_33}, {34, test_34}, {35, test_35},
{36, test_36}, {37, test_37}, {38, test_38}, {39, test_39},
{40, test_40}, {41, test_41}, {42, test_42}, {43, test_43},
{44, test_44}, {45, test_45}, {46, test_46}, {47, test_47},
{48, test_48}, {49, test_49}, {50, test_50}, {51, test_51},
{52, test_52}, {53, test_53}, {54, test_54}, {55, test_55},
{56, test_56}, {57, test_57}, {58, test_58}, {59, test_59},
{60, test_60}, {61, test_61}, {62, test_62}, {63, test_63},
{64, test_64}, {65, test_65}, {66, test_66}, {67, test_67},
{68, test_68}, {69, test_69}, {70, test_70}, {71, test_71},
{72, test_72}, {73, test_73}, {74, test_74}, {75, test_75},
{76, test_76}, {77, test_77}, {78, test_78}, {79, test_79},
{80, test_80}, {81, test_81},
};
auto fn = test_functions.find(n);
if (fn == test_functions.end())
{
throw std::runtime_error(std::string("invalid test ") +
QUtil::int_to_string(n));
}
(fn->second)(pdf, arg2);
if (filep)
{
fclose(filep);
}
std::cout << "test " << n << " done" << std::endl;
}
int main(int argc, char* argv[])
{
QUtil::setLineBuf(stdout);
if ((whoami = strrchr(argv[0], '/')) == NULL)
{
whoami = argv[0];
}
else
{
++whoami;
}
// For libtool's sake....
if (strncmp(whoami, "lt-", 3) == 0)
{
whoami += 3;
}
if ((argc < 3) || (argc > 4))
{
usage();
}
try
{
int n = QUtil::string_to_int(argv[1]);
char const* filename1 = argv[2];
char const* arg2 = argv[3];
runtest(n, filename1, arg2);
}
catch (std::exception& e)
{
std::cerr << e.what() << std::endl;
exit(2);
}
return 0;
}
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