plugins/groovy/groovy-psi/src/org/jetbrains/plugins/groovy/lang/psi/patterns/GroovyAssignmentExpressionPattern.java

/*
 * Copyright 2000-2014 JetBrains s.r.o.
 *
 * 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.jetbrains.plugins.groovy.lang.psi.patterns;

import com.intellij.patterns.ElementPattern;
import com.intellij.patterns.PatternCondition;
import com.intellij.psi.tree.IElementType;
import com.intellij.util.ProcessingContext;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.plugins.groovy.lang.psi.api.statements.expressions.GrAssignmentExpression;

public class GroovyAssignmentExpressionPattern extends GroovyExpressionPattern<GrAssignmentExpression, GroovyAssignmentExpressionPattern> {
  protected GroovyAssignmentExpressionPattern() {
    super(GrAssignmentExpression.class);
  }

  public GroovyAssignmentExpressionPattern left(@NotNull final ElementPattern pattern) {
    return with(new PatternCondition<GrAssignmentExpression>("left") {
      @Override
      public boolean accepts(@NotNull final GrAssignmentExpression psiBinaryExpression, final ProcessingContext context) {
        return pattern.getCondition().accepts(psiBinaryExpression.getLValue(), context);
      }
    });
  }

  public GroovyAssignmentExpressionPattern right(@NotNull final ElementPattern pattern) {
    return with(new PatternCondition<GrAssignmentExpression>("right") {
      @Override
      public boolean accepts(@NotNull final GrAssignmentExpression psiBinaryExpression, final ProcessingContext context) {
        return pattern.getCondition().accepts(psiBinaryExpression.getRValue(), context);
      }
    });
  }

  public GroovyAssignmentExpressionPattern operation(final IElementType pattern) {
    return with(new PatternCondition<GrAssignmentExpression>("operation") {
      @Override
      public boolean accepts(@NotNull final GrAssignmentExpression psiBinaryExpression, final ProcessingContext context) {
        return pattern == psiBinaryExpression.getOperationTokenType();
      }
    });
  }

}