// Copyright (C) 2008 Google Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package com.google.caja.plugin.stages;
import com.google.caja.parser.css.CssTree;
import com.google.caja.plugin.CssDynamicExpressionRewriter;
import com.google.caja.plugin.Job;
import com.google.caja.plugin.JobEnvelope;
import com.google.caja.plugin.Jobs;
import com.google.caja.util.ContentType;
import com.google.caja.util.Pipeline;
/**
* Compiles CSS style-sheets to JavaScript which outputs the same CSS, but with
* rules only affecting nodes that are children of a class whose name contains
* the gadget id.
*
* @author mikesamuel@gmail.com
*/
public final class RewriteCssStage implements Pipeline.Stage<Jobs> {
public boolean apply(Jobs jobs) {
for (JobEnvelope env : jobs.getJobsByType(ContentType.CSS)) {
if (env.fromCache) { continue; }
Job job = env.job;
new CssDynamicExpressionRewriter(jobs.getPluginMeta()).rewriteCss(
(CssTree.StyleSheet) job.getRoot());
}
return jobs.hasNoFatalErrors();
}
}