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#include <qpdf/Pl_QPDFTokenizer.hh>
#include <qpdf/QTC.hh>
#include <qpdf/QUtil.hh>
#include <qpdf/BufferInputSource.hh>
#include <stdexcept>
#include <string.h>
Pl_QPDFTokenizer::Members::Members() :
filter(0),
buf("tokenizer buffer")
{
}
Pl_QPDFTokenizer::Members::~Members()
{
}
Pl_QPDFTokenizer::Pl_QPDFTokenizer(char const* identifier,
QPDFObjectHandle::TokenFilter* filter,
Pipeline* next) :
Pipeline(identifier, next),
m(new Members)
{
m->filter = filter;
QPDFObjectHandle::TokenFilter::PipelineAccessor::setPipeline(
m->filter, next);
m->tokenizer.allowEOF();
m->tokenizer.includeIgnorable();
}
Pl_QPDFTokenizer::~Pl_QPDFTokenizer()
{
}
void
Pl_QPDFTokenizer::write(unsigned char* data, size_t len)
{
this->m->buf.write(data, len);
}
void
Pl_QPDFTokenizer::finish()
{
this->m->buf.finish();
PointerHolder<InputSource> input =
new BufferInputSource("tokenizer data",
this->m->buf.getBuffer(), true);
while (true)
{
QPDFTokenizer::Token token = this->m->tokenizer.readToken(
input, "offset " + QUtil::int_to_string(input->tell()),
true);
this->m->filter->handleToken(token);
if (token.getType() == QPDFTokenizer::tt_eof)
{
break;
}
else if ((token.getType() == QPDFTokenizer::tt_word) &&
(token.getValue() == "ID"))
{
// Read the space after the ID.
char ch = ' ';
input->read(&ch, 1);
this->m->filter->handleToken(
QPDFTokenizer::Token(
QPDFTokenizer::tt_space, std::string(1, ch)));
QTC::TC("qpdf", "Pl_QPDFTokenizer found ID");
this->m->tokenizer.expectInlineImage(input);
}
}
this->m->filter->handleEOF();
QPDFObjectHandle::TokenFilter::PipelineAccessor::setPipeline(
m->filter, 0);
Pipeline* next = this->getNext(true);
if (next)
{
next->finish();
}
}
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