blob: 21208ff5c6102fdf9134448e2866c76aaf2c3329 [file] [log] [blame] [edit]
// Copyright 2014 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import 'dart:io';
import 'package:args/args.dart';
import 'package:vitool/vitool.dart';
const String kCodegenComment =
'// AUTOGENERATED FILE DO NOT EDIT!\n'
'// This file was generated by vitool.\n';
void main(List<String> args) {
final ArgParser parser = ArgParser();
parser.addFlag(
'help',
abbr: 'h',
negatable: false,
help: "Display the tool's usage instructions and quit.",
);
parser.addOption(
'output',
abbr: 'o',
help: 'Target path to write the generated Dart file to.',
);
parser.addOption(
'asset-name',
abbr: 'n',
help: 'Name to be used for the generated constant.',
);
parser.addOption(
'part-of',
abbr: 'p',
help: "Library name to add a dart 'part of' clause for.",
);
parser.addOption(
'header',
abbr: 'd',
help: 'File whose contents are to be prepended to the beginning of '
'the generated Dart file; this can be used for a license comment.',
);
parser.addFlag(
'codegen_comment',
abbr: 'c',
defaultsTo: true,
help: 'Whether to include the following comment after the header:\n'
'$kCodegenComment',
);
final ArgResults argResults = parser.parse(args);
if (argResults['help'] as bool ||
!argResults.wasParsed('output') ||
!argResults.wasParsed('asset-name') ||
argResults.rest.isEmpty) {
printUsage(parser);
return;
}
final List<FrameData> frames = <FrameData>[
for (final String filePath in argResults.rest) interpretSvg(filePath),
];
final StringBuffer generatedSb = StringBuffer();
if (argResults.wasParsed('header')) {
generatedSb.write(File(argResults['header'] as String).readAsStringSync());
generatedSb.write('\n');
}
if (argResults['codegen_comment'] as bool)
generatedSb.write(kCodegenComment);
if (argResults.wasParsed('part-of'))
generatedSb.write('part of ${argResults['part-of']};\n');
final Animation animation = Animation.fromFrameData(frames);
generatedSb.write(animation.toDart('_AnimatedIconData', argResults['asset-name'] as String));
final File outFile = File(argResults['output'] as String);
outFile.writeAsStringSync(generatedSb.toString());
}
void printUsage(ArgParser parser) {
print('Usage: vitool --asset-name=<asset_name> --output=<output_path> <frames_list>');
print('\nExample: vitool --asset-name=_\$menu_arrow --output=lib/data/menu_arrow.g.dart assets/svg/menu_arrow/*.svg\n');
print(parser.usage);
}