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Code Issues Releases Wiki Activity

Change QPDFParser::parse to use QPDFTokenizer::nextToken

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This commit is contained in:
m-holger 2022-10-05 19:42:02 +01:00 committed by Jay Berkenbilt
parent b252e70cb6
commit 60538f1958
1 changed files with 15 additions and 16 deletions
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31
libqpdf/QPDFParser.cc
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@ -81,15 +81,11 @@ QPDFParser::parse(bool& empty, bool content_stream)
object = nullptr;
set_offset = false;
QPDFTokenizer::Token token =
tokenizer.readToken(input, object_description, true);
std::string const& token_error_message = token.getErrorMessage();
if (!token_error_message.empty()) {
// Tokens other than tt_bad can still generate warnings.
warn(token_error_message);
if (!tokenizer.nextToken(*input, object_description)) {
warn(tokenizer.getErrorMessage());
}
switch (token.getType()) {
switch (tokenizer.getType()) {
case QPDFTokenizer::tt_eof:
if (!content_stream) {
QTC::TC("qpdf", "QPDFParser eof in parse");
@ -146,7 +142,7 @@ QPDFParser::parse(bool& empty, bool content_stream)
} else {
state = st_start;
state_stack.push_back(
(token.getType() == QPDFTokenizer::tt_array_open)
(tokenizer.getType() == QPDFTokenizer::tt_array_open)
? st_array
: st_dictionary);
b_contents = false;
@ -155,7 +151,7 @@ QPDFParser::parse(bool& empty, bool content_stream)
break;
case QPDFTokenizer::tt_bool:
object = QPDF_Bool::create((token.getValue() == "true"));
object = QPDF_Bool::create((tokenizer.getValue() == "true"));
break;
case QPDFTokenizer::tt_null:
@ -164,16 +160,16 @@ QPDFParser::parse(bool& empty, bool content_stream)
case QPDFTokenizer::tt_integer:
object = QPDF_Integer::create(
QUtil::string_to_ll(token.getValue().c_str()));
QUtil::string_to_ll(std::string(tokenizer.getValue()).c_str()));
break;
case QPDFTokenizer::tt_real:
object = QPDF_Real::create(token.getValue());
object = QPDF_Real::create(tokenizer.getValue());
break;
case QPDFTokenizer::tt_name:
{
std::string name = token.getValue();
auto name = tokenizer.getValue();
object = QPDF_Name::create(name);
if (name == "/Contents") {
@ -186,7 +182,7 @@ QPDFParser::parse(bool& empty, bool content_stream)
case QPDFTokenizer::tt_word:
{
std::string const& value = token.getValue();
auto value = tokenizer.getValue();
auto size = olist.size();
if (content_stream) {
object = QPDF_Operator::create(value);
@ -240,16 +236,19 @@ QPDFParser::parse(bool& empty, bool content_stream)
case QPDFTokenizer::tt_string:
{
std::string val = token.getValue();
auto val = tokenizer.getValue();
if (decrypter) {
if (b_contents) {
frame.contents_string = val;
frame.contents_offset = input->getLastOffset();
b_contents = false;
}
decrypter->decryptString(val);
std::string s{val};
decrypter->decryptString(s);
object = QPDF_String::create(s);
} else {
object = QPDF_String::create(val);
}
object = QPDF_String::create(val);
}
break;