diff options
Diffstat (limited to 'qpdf/qpdf.cc')
| -rw-r--r-- | qpdf/qpdf.cc | 189 |
1 files changed, 97 insertions, 92 deletions
diff --git a/qpdf/qpdf.cc b/qpdf/qpdf.cc index 1882f7c9..ae365c70 100644 --- a/qpdf/qpdf.cc +++ b/qpdf/qpdf.cc @@ -1383,6 +1383,97 @@ int main(int argc, char* argv[]) } if (outfilename == 0) { + int exit_code = 0; + if (check) + { + // Code below may set okay to false but not to true. + // We assume okay until we prove otherwise but may + // continue to perform additional checks after finding + // errors. + bool okay = true; + std::cout << "checking " << infilename << std::endl; + try + { + int extension_level = pdf.getExtensionLevel(); + std::cout << "PDF Version: " << pdf.getPDFVersion(); + if (extension_level > 0) + { + std::cout << " extension level " + << pdf.getExtensionLevel(); + } + std::cout << std::endl; + ::show_encryption(pdf); + if (pdf.isLinearized()) + { + std::cout << "File is linearized\n"; + if (! pdf.checkLinearization()) + { + // any errors are reported by checkLinearization() + okay = false; + } + } + else + { + std::cout << "File is not linearized\n"; + } + + // Write the file no nowhere, uncompressing + // streams. This causes full file traversal and + // decoding of all streams we can decode. + QPDFWriter w(pdf); + Pl_Discard discard; + w.setOutputPipeline(&discard); + w.setStreamDataMode(qpdf_s_uncompress); + w.write(); + + // Parse all content streams + std::vector<QPDFObjectHandle> pages = pdf.getAllPages(); + DiscardContents discard_contents; + int pageno = 0; + for (std::vector<QPDFObjectHandle>::iterator iter = + pages.begin(); + iter != pages.end(); ++iter) + { + ++pageno; + try + { + QPDFObjectHandle::parseContentStream( + (*iter).getKey("/Contents"), + &discard_contents); + } + catch (QPDFExc& e) + { + okay = false; + std::cout << "page " << pageno << ": " + << e.what() << std::endl; + } + } + } + catch (std::exception& e) + { + std::cout << e.what() << std::endl; + okay = false; + } + if (okay) + { + if (! pdf.getWarnings().empty()) + { + exit_code = EXIT_WARNING; + } + else + { + std::cout << "No syntax or stream encoding errors" + << " found; the file may still contain" + << std::endl + << "errors that qpdf cannot detect" + << std::endl; + } + } + else + { + exit_code = EXIT_ERROR; + } + } if (show_npages) { QTC::TC("qpdf", "qpdf npages"); @@ -1402,7 +1493,7 @@ int main(int argc, char* argv[]) } else { - exit(EXIT_ERROR); + exit_code = EXIT_ERROR; } } if (show_linearization) @@ -1435,7 +1526,7 @@ int main(int argc, char* argv[]) QTC::TC("qpdf", "qpdf unable to filter"); std::cerr << "Unable to filter stream data." << std::endl; - exit(EXIT_ERROR); + exit_code = EXIT_ERROR; } else { @@ -1512,96 +1603,10 @@ int main(int argc, char* argv[]) } } } - if (check) - { - // Code below may set okay to false but not to true. - // We assume okay until we prove otherwise but may - // continue to perform additional checks after finding - // errors. - bool okay = true; - std::cout << "checking " << infilename << std::endl; - try - { - int extension_level = pdf.getExtensionLevel(); - std::cout << "PDF Version: " << pdf.getPDFVersion(); - if (extension_level > 0) - { - std::cout << " extension level " - << pdf.getExtensionLevel(); - } - std::cout << std::endl; - ::show_encryption(pdf); - if (pdf.isLinearized()) - { - std::cout << "File is linearized\n"; - if (! pdf.checkLinearization()) - { - // any errors are reported by checkLinearization() - okay = false; - } - } - else - { - std::cout << "File is not linearized\n"; - } - - // Write the file no nowhere, uncompressing - // streams. This causes full file traversal and - // decoding of all streams we can decode. - QPDFWriter w(pdf); - Pl_Discard discard; - w.setOutputPipeline(&discard); - w.setStreamDataMode(qpdf_s_uncompress); - w.write(); - - // Parse all content streams - std::vector<QPDFObjectHandle> pages = pdf.getAllPages(); - DiscardContents discard_contents; - int pageno = 0; - for (std::vector<QPDFObjectHandle>::iterator iter = - pages.begin(); - iter != pages.end(); ++iter) - { - ++pageno; - try - { - QPDFObjectHandle::parseContentStream( - (*iter).getKey("/Contents"), - &discard_contents); - } - catch (QPDFExc& e) - { - okay = false; - std::cout << "page " << pageno << ": " - << e.what() << std::endl; - } - } - } - catch (std::exception& e) - { - std::cout << e.what() << std::endl; - okay = false; - } - if (okay) - { - if (! pdf.getWarnings().empty()) - { - exit(EXIT_WARNING); - } - else - { - std::cout << "No syntax or stream encoding errors" - << " found; the file may still contain" - << std::endl - << "errors that qpdf cannot detect" - << std::endl; - } - } - else - { - exit(EXIT_ERROR); - } - } + if (exit_code) + { + exit(exit_code); + } } else { |