Pl_MD5.cc
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#include <qpdf/Pl_MD5.hh>
#include <stdexcept>
Pl_MD5::Pl_MD5(char const* identifier, Pipeline* next) :
Pipeline(identifier, next),
in_progress(false)
{
}
Pl_MD5::~Pl_MD5()
{
}
void
Pl_MD5::write(unsigned char* buf, int len)
{
if (! this->in_progress)
{
this->md5.reset();
this->in_progress = true;
}
this->md5.encodeDataIncrementally((char*) buf, len);
this->getNext()->write(buf, len);
}
void
Pl_MD5::finish()
{
this->getNext()->finish();
this->in_progress = false;
}
std::string
Pl_MD5::getHexDigest()
{
if (this->in_progress)
{
throw std::logic_error(
"digest requested for in-progress MD5 Pipeline");
}
return this->md5.unparse();
}