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pdf: Print info dict metadata if present

This commit is contained in:
Nico Weber 2023-07-10 09:00:30 -04:00 committed by Sam Atkins
parent c5c940b1c9
commit c8e0db5061

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@ -7,8 +7,32 @@
#include <LibCore/ArgsParser.h>
#include <LibCore/File.h>
#include <LibCore/MappedFile.h>
#include <LibPDF/CommonNames.h>
#include <LibPDF/Document.h>
static PDF::PDFErrorOr<void> print_document_info_dict(PDF::Document& document)
{
if (auto info_dict = TRY(document.info_dict()); info_dict.has_value()) {
if (auto title = TRY(info_dict->title()); title.has_value())
outln("Title: {}", title);
if (auto author = TRY(info_dict->author()); author.has_value())
outln("Author: {}", author);
if (auto subject = TRY(info_dict->subject()); subject.has_value())
outln("Subject: {}", subject);
if (auto keywords = TRY(info_dict->keywords()); keywords.has_value())
outln("Keywords: {}", keywords);
if (auto creator = TRY(info_dict->creator()); creator.has_value())
outln("Creator: {}", creator);
if (auto producer = TRY(info_dict->producer()); producer.has_value())
outln("Producer: {}", producer);
if (auto creation_date = TRY(info_dict->creation_date()); creation_date.has_value())
outln("Creation date: {}", creation_date);
if (auto modification_date = TRY(info_dict->modification_date()); modification_date.has_value())
outln("Modification date: {}", modification_date);
}
return {};
}
static PDF::PDFErrorOr<int> pdf_main(Main::Arguments arguments)
{
Core::ArgsParser args_parser;
@ -31,6 +55,7 @@ static PDF::PDFErrorOr<int> pdf_main(Main::Arguments arguments)
TRY(document->initialize());
outln("{} pages", document->get_page_count());
TRY(print_document_info_dict(*document));
return 0;
}