/**
* Copyright 2007-2015, Kaazing Corporation. All rights reserved.
*
* 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 org.kaazing.k3po.lang.internal.ast.matcher;
import static org.kaazing.k3po.lang.internal.ast.util.AstUtil.equivalent;
import org.kaazing.k3po.lang.internal.ast.AstRegion;
import org.kaazing.k3po.lang.internal.el.ExpressionContext;
import org.kaazing.k3po.lang.internal.regex.NamedGroupPattern;
public class AstRegexMatcher extends AstValueMatcher {
private final NamedGroupPattern pattern;
private final ExpressionContext environment;
public AstRegexMatcher(NamedGroupPattern pattern, ExpressionContext environment) {
if (pattern == null) {
throw new NullPointerException("pattern");
}
this.pattern = pattern;
this.environment = environment;
}
public NamedGroupPattern getValue() {
return pattern;
}
@Override
protected int hashTo() {
return pattern.hashCode();
}
@Override
protected boolean equalTo(AstRegion that) {
return that instanceof AstRegexMatcher && equalTo((AstRegexMatcher) that);
}
protected boolean equalTo(AstRegexMatcher that) {
return equivalent(this.pattern, that.pattern);
}
@Override
public <R, P> R accept(Visitor<R, P> visitor, P parameter) throws Exception {
return visitor.visit(this, parameter);
}
@Override
protected void describe(StringBuilder buf) {
buf.append('/').append(pattern.toString()).append('/');
}
public ExpressionContext getEnvironment() {
return environment;
}
}