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Utilities: Add a pdf utility

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This utility will learn tricks such as extracting images from PDFs and
dumping tables from PDFs so that we can create code from specs.

It also allows testing LibPDF things in lagom, and allows testing
reading large amounts of PDFs using a shell script.
This commit is contained in:
Nico Weber 2023-06-26 20:42:10 -04:00 • committed by Andreas Kling
parent e7e454f1d6
commit efad31dac1
3 changed files with 51 additions and 0 deletions
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47
Userland/Utilities/pdf.cpp Normal file
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/*
* Copyright (c) 2023, Nico Weber <thakis@chromium.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibCore/ArgsParser.h>
#include <LibCore/File.h>
#include <LibCore/MappedFile.h>
#include <LibPDF/Document.h>
static PDF::PDFErrorOr<int> pdf_main(Main::Arguments arguments)
{
Core::ArgsParser args_parser;
StringView in_path;
args_parser.add_positional_argument(in_path, "Path to input image file", "FILE");
args_parser.parse(arguments);
auto file = TRY(Core::MappedFile::map(in_path));
auto document = TRY(PDF::Document::create(file->bytes()));
if (auto handler = document->security_handler(); handler && !handler->has_user_password()) {
// FIXME: Add a flag for passing in a password and suggest it in this diag.
warnln("PDF requires password");
return 1;
}
TRY(document->initialize());
outln("{} pages", document->get_page_count());
return 0;
}
ErrorOr<int> serenity_main(Main::Arguments arguments)
{
auto maybe_error = pdf_main(move(arguments));
if (maybe_error.is_error()) {
auto error = maybe_error.release_error();
warnln("{}", error.message());
return 1;
}
return 0;
}