com.google.gwt.resources.css.SplitRulesVisitor Maven / Gradle / Ivy
/*
* Copyright 2009 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.gwt.resources.css;
import com.google.gwt.resources.css.ast.Context;
import com.google.gwt.resources.css.ast.CssModVisitor;
import com.google.gwt.resources.css.ast.CssNodeCloner;
import com.google.gwt.resources.css.ast.CssProperty;
import com.google.gwt.resources.css.ast.CssRule;
import com.google.gwt.resources.css.ast.CssSelector;
/**
* Splits rules with compound selectors into multiple rules.
*/
public class SplitRulesVisitor extends CssModVisitor {
@Override
public void endVisit(CssRule x, Context ctx) {
if (x.getSelectors().size() == 1) {
return;
}
for (CssSelector sel : x.getSelectors()) {
CssRule newRule = new CssRule();
newRule.getSelectors().add(sel);
newRule.getProperties().addAll(
CssNodeCloner.clone(CssProperty.class, x.getProperties()));
ctx.insertBefore(newRule);
}
ctx.removeMe();
return;
}
}