java/java-psi-impl/src/com/intellij/psi/impl/compiled/ClsBinaryExpressionImpl.java

/*
 * Copyright 2000-2012 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 com.intellij.psi.impl.compiled;

import com.intellij.openapi.util.text.StringUtil;
import com.intellij.psi.*;
import com.intellij.psi.impl.source.tree.JavaElementType;
import com.intellij.psi.impl.source.tree.TreeElement;
import com.intellij.psi.tree.IElementType;
import org.jetbrains.annotations.NotNull;

public class ClsBinaryExpressionImpl extends ClsElementImpl implements PsiBinaryExpression {
  private final ClsElementImpl myParent;
  private final PsiExpression myLOperand;
  private final PsiJavaToken myOperation;
  private final PsiExpression myROperand;

  public ClsBinaryExpressionImpl(ClsElementImpl parent,
                                 ClsLiteralExpressionImpl lOperand,
                                 ClsJavaTokenImpl operation,
                                 ClsLiteralExpressionImpl rOperand) {
    myParent = parent;
    myLOperand = lOperand;
    myOperation = operation;
    myROperand = rOperand;
    lOperand.setParent(this);
    operation.setParent(this);
    rOperand.setParent(this);
  }

  public ClsBinaryExpressionImpl(ClsElementImpl parent,
                                 ClsPrefixExpressionImpl lOperand,
                                 ClsJavaTokenImpl operation,
                                 ClsLiteralExpressionImpl rOperand) {
    myParent = parent;
    myLOperand = lOperand;
    myOperation = operation;
    myROperand = rOperand;
    lOperand.setParent(this);
    operation.setParent(this);
    rOperand.setParent(this);
  }

  @Override
  public void appendMirrorText(int indentLevel, @NotNull StringBuilder buffer) {
    buffer.append(getText());
  }

  @Override
  public void setMirror(@NotNull TreeElement element) throws InvalidMirrorException {
    setMirrorCheckingType(element, JavaElementType.BINARY_EXPRESSION);
  }

  @Override
  public String getText() {
    return StringUtil.join(myLOperand.getText(), " ", myOperation.getText(), " ", myROperand.getText());
  }

  @NotNull
  @Override
  public PsiElement[] getChildren() {
    return new PsiElement[]{myLOperand, myOperation, myROperand};
  }

  @Override
  public PsiElement getParent() {
    return myParent;
  }

  @Override
  public void accept(@NotNull PsiElementVisitor visitor) {
    if (visitor instanceof JavaElementVisitor) {
      ((JavaElementVisitor)visitor).visitBinaryExpression(this);
    }
    else {
      visitor.visitElement(this);
    }
  }

  @NotNull
  @Override
  public PsiExpression getLOperand() {
    return myLOperand;
  }

  @NotNull
  @Override
  public PsiExpression getROperand() {
    return myROperand;
  }

  @NotNull
  @Override
  public PsiJavaToken getOperationSign() {
    return myOperation;
  }

  @NotNull
  @Override
  public IElementType getOperationTokenType() {
    return myOperation.getTokenType();
  }

  @Override
  public PsiJavaToken getTokenBeforeOperand(@NotNull PsiExpression operand) {
    return getOperationSign();
  }

  @Override
  public PsiType getType() {
    return myLOperand.getType();
  }

  @NotNull
  @Override
  public PsiExpression[] getOperands() {
    return new PsiExpression[]{getLOperand(), getROperand()};
  }

  @Override
  public String toString() {
    return "PsiBinaryExpression:" + getText();
  }
}