com.google.gwt.resources.css.DefsCollector 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.CssDef;
import com.google.gwt.resources.css.ast.CssVisitor;
import java.util.HashSet;
import java.util.Set;
/**
* Collects the names of all user-defined {@literal @def} constants in the
* stylesheet.
*/
public class DefsCollector extends CssVisitor {
private final Set defs = new HashSet();
@Override
public void endVisit(CssDef x, Context ctx) {
defs.add(x.getKey());
}
public Set getDefs() {
return defs;
}
}