xml/impl/src/com/intellij/codeInsight/template/emmet/nodes/UnaryMulOperationNode.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 com.intellij.codeInsight.template.emmet.nodes;

import com.intellij.codeInsight.template.CustomTemplateCallback;
import com.intellij.openapi.util.text.LineTokenizer;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

import java.util.ArrayList;
import java.util.List;

/**
 * @author Eugene.Kudelevsky
 */
public class UnaryMulOperationNode extends ZenCodingNode {
  private final ZenCodingNode myOperand;

  public UnaryMulOperationNode(ZenCodingNode operand) {
    myOperand = operand;
  }

  public ZenCodingNode getOperand() {
    return myOperand;
  }

  @NotNull
  @Override
  public List<GenerationNode> expand(int numberInIteration,
                                     int totalIterations, String surroundedText,
                                     CustomTemplateCallback callback,
                                     boolean insertSurroundedTextAtTheEnd, GenerationNode parent) {
    if (surroundedText == null) {
      return myOperand.expand(numberInIteration, totalIterations, null, callback, insertSurroundedTextAtTheEnd, parent);
    }
    String[] lines = LineTokenizer.tokenize(surroundedText, false);
    List<GenerationNode> result = new ArrayList<GenerationNode>();
    for (int i = 0; i < lines.length; i++) {
      result.addAll(myOperand.expand(i, lines.length, lines[i].trim(), callback, insertSurroundedTextAtTheEnd, parent));
    }
    return result;
  }

  @Override
  public int getApproximateOutputLength(@Nullable CustomTemplateCallback callback) {
    return myOperand.getApproximateOutputLength(callback);
  }

  @Override
  public String toString() {
    return "*";
  }
}