/*
* Copyright 2014 The Closure Compiler Authors.
*
* 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.javascript.refactoring;
import com.google.javascript.jscomp.AbstractCompiler;
import com.google.javascript.jscomp.TemplateAstMatcher;
import com.google.javascript.rhino.Node;
import java.util.Map;
/**
* A {@link Matcher} that can take arbitrary JS source code and use it as a
* template to find matches in other source code.
*
* @author mknichel@google.com (Mark Knichel)
*/
public final class JsSourceMatcher implements Matcher {
private final TemplateAstMatcher matcher;
/**
* Constructs this matcher with a Function node that serves as the template
* to match all other nodes against. The body of the function will be used
* to match against.
*/
public JsSourceMatcher(AbstractCompiler compiler, Node templateNode) {
matcher = new TemplateAstMatcher(compiler, templateNode);
}
@Override public boolean matches(Node n, NodeMetadata metadata) {
return matcher.matches(n);
}
/**
* Returns a map from named template node strings to Nodes that were the
* equivalent matches from the last matched template.
*/
public Map<String, Node> getTemplateNodeToMatchMap() {
return matcher.getTemplateNodeToMatchMap();
}
}