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84 lines
2.4 KiB
C++
84 lines
2.4 KiB
C++
/*
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* Copyright (c) 2021, Linus Groh <linusg@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibCore/ArgsParser.h>
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#include <LibCore/File.h>
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#include <LibCore/System.h>
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#include <LibGUI/GML/Formatter.h>
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#include <LibMain/Main.h>
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ErrorOr<bool> format_file(StringView, bool);
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ErrorOr<bool> format_file(StringView path, bool inplace)
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{
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auto read_from_stdin = path == "-";
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RefPtr<Core::File> file;
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if (read_from_stdin) {
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file = Core::File::standard_input();
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} else {
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auto open_mode = inplace ? Core::OpenMode::ReadWrite : Core::OpenMode::ReadOnly;
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file = TRY(Core::File::open(path, open_mode));
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}
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auto contents = file->read_all();
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auto formatted_gml_or_error = GUI::GML::format_gml(contents);
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if (formatted_gml_or_error.is_error()) {
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warnln("Failed to parse GML: {}", formatted_gml_or_error.error());
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return false;
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}
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auto formatted_gml = formatted_gml_or_error.release_value();
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if (inplace && !read_from_stdin) {
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if (formatted_gml == contents)
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return true;
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if (!file->seek(0) || !file->truncate(0)) {
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warnln("Could not truncate {}: {}", path, file->error_string());
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return false;
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}
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if (!file->write(formatted_gml)) {
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warnln("Could not write to {}: {}", path, file->error_string());
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return false;
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}
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} else {
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out("{}", formatted_gml);
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}
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return formatted_gml == contents;
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}
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ErrorOr<int> serenity_main(Main::Arguments args)
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{
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#ifdef __serenity__
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TRY(Core::System::pledge("stdio rpath wpath cpath"));
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#endif
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bool inplace = false;
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Vector<String> files;
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Core::ArgsParser args_parser;
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args_parser.set_general_help("Format GML files.");
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args_parser.add_option(inplace, "Write formatted contents back to file rather than standard output", "inplace", 'i');
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args_parser.add_positional_argument(files, "File(s) to process", "path", Core::ArgsParser::Required::No);
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args_parser.parse(args);
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#ifdef __serenity__
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if (!inplace)
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TRY(Core::System::pledge("stdio rpath"));
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#endif
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if (files.is_empty())
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files.append("-");
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auto formatting_changed = false;
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for (auto& file : files) {
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if (!TRY(format_file(file, inplace)))
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formatting_changed = true;
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}
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if (formatting_changed) {
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dbgln("Some GML formatting issues were encountered.");
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return 1;
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}
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return 0;
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}
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