/*
* SingleOrBinaryAggregateNode.java
*
* Copyright (c) 2013 Mike Strobel
*
* This source code is based on Mono.Cecil from Jb Evain, Copyright (c) Jb Evain;
* and ILSpy/ICSharpCode from SharpDevelop, Copyright (c) AlphaSierraPapa.
*
* This source code is subject to terms and conditions of the Apache License, Version 2.0.
* A copy of the license can be found in the License.html file at the root of this distribution.
* By using this source code in any fashion, you are agreeing to be bound by the terms of the
* Apache License, Version 2.0.
*
* You must not remove this notice, or any other, from this software.
*/
package com.strobel.decompiler.patterns;
import com.strobel.core.VerifyArgument;
import com.strobel.decompiler.languages.java.ast.BinaryOperatorExpression;
import com.strobel.decompiler.languages.java.ast.BinaryOperatorType;
public final class SingleOrBinaryAggregateNode extends Pattern {
private final INode _pattern;
private final BinaryOperatorType _operator;
public SingleOrBinaryAggregateNode(final BinaryOperatorType operator, final INode pattern) {
_pattern = VerifyArgument.notNull(pattern, "pattern");
_operator = VerifyArgument.notNull(operator, "operator");
}
@Override
public boolean matches(final INode other, final Match match) {
if (_pattern.matches(other, match)) {
return true;
}
if (other instanceof BinaryOperatorExpression) {
final BinaryOperatorExpression binary = (BinaryOperatorExpression) other;
if (_operator != BinaryOperatorType.ANY && binary.getOperator() != _operator) {
return false;
}
final int checkPoint = match.getCheckPoint();
if (matches(binary.getLeft(), match) && matches(binary.getRight(), match)) {
return true;
}
match.restoreCheckPoint(checkPoint);
}
return false;
}
}