Files
sdk/utils/css/css.dart
T
terry@google.com 59a6cf921a New tree objects to match CSS BNF.
Fairly complete CSS syntax

BUG=
TEST=

Review URL: http://codereview.chromium.org//8937017

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@2675 260f80e4-7a28-3924-810f-c04153c831b5
2011-12-20 22:51:16 +00:00

66 lines
2.0 KiB
Dart

// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
#library('css');
#import('../../frog/lang.dart', prefix:'lang');
#import('../../frog/file_system.dart');
#import('../../frog/file_system_memory.dart');
#source('tokenkind.dart');
#source('tokenizer.dart');
#source('tree.dart');
#source('cssselectorexception.dart');
#source('cssworld.dart');
#source('parser.dart');
#source('validate.dart');
#source('generate.dart');
void initCssWorld([bool commandLine = true]) {
var fs = new MemoryFileSystem();
lang.parseOptions('', [], fs);
lang.initializeWorld(fs);
lang.world.process();
lang.world.resolveAll();
// TODO(terry): Should be set by arguments. When run as a tool these aren't
// set when run internaly set these so we can compile CSS and catch any
// problems programmatically.
lang.options.throwOnErrors = true;
lang.options.throwOnFatal = true;
lang.options.useColors = commandLine ? true : false;
}
// TODO(terry): Add obfuscation mapping file.
void cssParseAndValidate(String cssExpression, CssWorld world) {
Parser parser = new Parser(new lang.SourceFile(lang.SourceFile.IN_MEMORY_FILE,
cssExpression));
var tree = parser.parseTemplate();
if (tree != null) {
Validate.template(tree.selectors, world);
}
}
// Returns pretty printed tree of the expression.
String cssParseAndValidateDebug(String cssExpression, CssWorld world) {
Parser parser = new Parser(new lang.SourceFile(lang.SourceFile.IN_MEMORY_FILE,
cssExpression));
String output = "";
String prettyTree = "";
try {
var tree = parser.parseTemplate();
if (tree != null) {
prettyTree = tree.toDebugString();
Validate.template(tree.selectors, world);
output = prettyTree;
}
} catch (var e) {
String error = e.toString();
output = "$error\n$prettyTree";
throw e;
}
return output;
}