mirror of https://github.com/qpdf/qpdf.git
50 lines
1.3 KiB
C++
50 lines
1.3 KiB
C++
#include <qpdf/Pl_StdioFile.hh>
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#include <qpdf/QPDFJob.hh>
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#include <qpdf/QPDFLogger.hh>
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#include <qpdf/QUtil.hh>
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// This example demonstrates how we can redirect where saved output goes by calling the default
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// logger's setSave method before running something with QPDFJob. See qpdfjob-c-save-attachment.c
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// for an implementation that uses the C API.
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int
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main(int argc, char* argv[])
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{
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auto whoami = QUtil::getWhoami(argv[0]);
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if (argc != 4) {
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std::cerr << "Usage: " << whoami << " file attachment-key outfile" << std::endl;
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exit(2);
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}
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char const* filename = argv[1];
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char const* key = argv[2];
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char const* outfilename = argv[3];
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std::string attachment_arg = "--show-attachment=";
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attachment_arg += key;
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char const* j_argv[] = {
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whoami,
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filename,
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attachment_arg.c_str(),
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"--",
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nullptr,
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};
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QUtil::FileCloser fc(QUtil::safe_fopen(outfilename, "wb"));
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auto save = std::make_shared<Pl_StdioFile>("capture", fc.f);
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QPDFLogger::defaultLogger()->setSave(save, false);
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try {
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QPDFJob j;
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j.initializeFromArgv(j_argv);
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j.run();
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} catch (std::exception& e) {
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std::cerr << whoami << ": " << e.what() << std::endl;
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exit(2);
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}
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std::cout << whoami << ": wrote attachment to " << outfilename << std::endl;
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return 0;
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}
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