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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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| 
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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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| 
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| ErrorOr<bool> format_file(StringView, bool);
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| 
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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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| 
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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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| 
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|     bool inplace = false;
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|     Vector<String> files;
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| 
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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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| 
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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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| 
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|     if (files.is_empty())
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|         files.append("-");
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| 
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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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| 
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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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| 
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|     return 0;
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| }
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