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