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87 lines
2.3 KiB
C++
87 lines
2.3 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 <LibGUI/GMLFormatter.h>
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#include <unistd.h>
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bool format_file(const StringView&, bool);
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bool format_file(const 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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auto file_or_error = Core::File::open(path, open_mode);
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if (file_or_error.is_error()) {
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warnln("Could not open {}: {}", path, file_or_error.error());
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return false;
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}
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file = file_or_error.value();
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}
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auto formatted_gml = GUI::format_gml(file->read_all());
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if (formatted_gml.is_null()) {
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warnln("Failed to parse GML!");
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return false;
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}
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if (inplace && !read_from_stdin) {
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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 true;
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}
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int main(int argc, char** argv)
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{
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#ifdef __serenity__
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if (pledge("stdio rpath wpath cpath", nullptr) < 0) {
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perror("pledge");
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return 1;
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}
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#endif
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bool inplace = false;
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Vector<const char*> 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(argc, argv);
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#ifdef __serenity__
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if (!inplace) {
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if (pledge("stdio rpath", nullptr) < 0) {
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perror("pledge");
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return 1;
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}
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}
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#endif
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unsigned exit_code = 0;
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if (files.is_empty())
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files.append("-");
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for (auto& file : files) {
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if (!format_file(file, inplace))
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exit_code = 1;
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}
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return exit_code;
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}
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