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Add icon update tool (#6201)

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Chris Bracken 2016-10-04 09:52:14 -07:00 committed by GitHub
parent 9f673ad445
commit 38533ac8b7
2 changed files with 109 additions and 2 deletions
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102
dev/tools/update_icons.dart Normal file
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@ -0,0 +1,102 @@
// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Regenerates the material icons file.
// See https://github.com/flutter/flutter/wiki/Updating-Material-Design-Fonts
import 'dart:convert' show LineSplitter;
import 'dart:io';
import 'package:args/args.dart';
import 'package:path/path.dart' as path;
const String kOptionCodepointsPath = 'codepoints';
const String kOptionIconsPath = 'icons';
const String kOptionDryRun = 'dry-run';
const String kDefaultCodepointsPath = 'bin/cache/artifacts/material_fonts/codepoints';
const String kDefaultIconsPath = 'packages/flutter/lib/src/material/icons.dart';
const String kBeginGeneratedMark = '// BEGIN GENERATED';
const String kEndGeneratedMark = '// END GENERATED';
const Map<String, String> kIdentifierRewrites = const <String, String>{
'360': 'threesixty',
'3d_rotation': 'threed_rotation',
'4k': 'four_k',
'class': 'class_',
};
void main(List<String> args) {
// If we're run from the `tools` dir, set the cwd to the repo root.
if (path.basename(Directory.current.path) == 'tools')
Directory.current = Directory.current.parent.parent;
ArgParser argParser = new ArgParser();
argParser.addOption(kOptionCodepointsPath, defaultsTo: kDefaultCodepointsPath);
argParser.addOption(kOptionIconsPath, defaultsTo: kDefaultIconsPath);
argParser.addFlag(kOptionDryRun, defaultsTo: false);
ArgResults argResults = argParser.parse(args);
File iconFile = new File(path.absolute(argResults[kOptionIconsPath]));
if (!iconFile.existsSync()) {
stderr.writeln('Icons file not found: ${iconFile.path}');
exit(1);
}
File codepointsFile = new File(path.absolute(argResults[kOptionCodepointsPath]));
if (!codepointsFile.existsSync()) {
stderr.writeln('Codepoints file not found: ${codepointsFile.path}');
exit(1);
}
String iconData = iconFile.readAsStringSync();
String codepointData = codepointsFile.readAsStringSync();
String newIconData = regenerateIconsFile(iconData, codepointData);
if (argResults[kOptionDryRun])
stdout.writeln(newIconData);
else
iconFile.writeAsStringSync(newIconData);
}
String regenerateIconsFile(String iconData, String codepointData) {
StringBuffer buf = new StringBuffer();
bool generating = false;
for (String line in LineSplitter.split(iconData)) {
if (!generating)
buf.writeln(line);
if (line.contains(kBeginGeneratedMark)) {
generating = true;
String iconDeclarations = generateIconDeclarations(codepointData);
buf.write(iconDeclarations);
} else if (line.contains(kEndGeneratedMark)) {
generating = false;
buf.writeln(line);
}
}
return buf.toString();
}
String generateIconDeclarations(String codepointData) {
return LineSplitter.split(codepointData)
.map((String l) => l.trim())
.where((String l) => l.isNotEmpty)
.map(getIconDeclaration)
.join();
}
String getIconDeclaration(String line) {
List<String> tokens = line.split(' ');
if (tokens.length != 2)
throw new FormatException('Unexpected codepoint data: $line');
String name = tokens[0];
String codepoint = tokens[1];
String identifier = kIdentifierRewrites[name] ?? name;
String description = name.replaceAll('_', ' ');
return '''
/// <p><i class="material-icons md-36">$name</i> &#x2014; material icon named "$description".</p>
static const IconData $identifier = const IconData(0x$codepoint);
''';
}

9
packages/flutter/lib/src/material/icons.dart
View File

@ -42,11 +42,15 @@ class IconData {
class Icons {
Icons._();
// Generated code: do not hand-edit.
// See https://github.com/flutter/flutter/wiki/Updating-Material-Design-Fonts
// BEGIN GENERATED
/// <p><i class="material-icons md-36">360</i> &#x2014; material icon named "360".</p>
static const IconData threesixty = const IconData(0xe577);
/// <p><i class="material-icons md-36">3d_rotation</i> &#x2014; material icon named "3d rotation".</p>
static const IconData threed_rotation = const IconData(0xe84d); // 3d_rotation isn't a valid identifier.
static const IconData threed_rotation = const IconData(0xe84d);
/// <p><i class="material-icons md-36">4k</i> &#x2014; material icon named "4k".</p>
static const IconData four_k = const IconData(0xe072);
@ -589,7 +593,7 @@ class Icons {
static const IconData chrome_reader_mode = const IconData(0xe86d);
/// <p><i class="material-icons md-36">class</i> &#x2014; material icon named "class".</p>
static const IconData class_ = const IconData(0xe86e); // class is a reserved word in Dart.
static const IconData class_ = const IconData(0xe86e);
/// <p><i class="material-icons md-36">clear</i> &#x2014; material icon named "clear".</p>
static const IconData clear = const IconData(0xe14c);
@ -2996,4 +3000,5 @@ class Icons {
/// <p><i class="material-icons md-36">zoom_out_map</i> &#x2014; material icon named "zoom out map".</p>
static const IconData zoom_out_map = const IconData(0xe56b);
// END GENERATED
}