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

   1 /*
   2  * Copyright 2000-2009 JetBrains s.r.o.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package com.intellij.psi.impl.compiled;
  17
  18 import com.intellij.openapi.diagnostic.Logger;
  19 import com.intellij.psi.JavaElementVisitor;
  20 import com.intellij.psi.PsiElementVisitor;
  21 import com.intellij.psi.PsiParameter;
  22 import com.intellij.psi.PsiParameterList;
  23 import com.intellij.psi.impl.PsiImplUtil;
  24 import com.intellij.psi.impl.java.stubs.JavaStubElementTypes;
  25 import com.intellij.psi.impl.java.stubs.PsiParameterListStub;
  26 import com.intellij.psi.impl.source.SourceTreeToPsiMap;
  27 import com.intellij.psi.impl.source.tree.TreeElement;
  28 import org.jetbrains.annotations.NonNls;
  29 import org.jetbrains.annotations.NotNull;
  30
  31 public class ClsParameterListImpl extends ClsRepositoryPsiElement<PsiParameterListStub> implements PsiParameterList {
  32   private static final Logger LOG = Logger.getInstance("#com.intellij.psi.impl.compiled.ClsParameterListImpl");
  33
  34   public ClsParameterListImpl(final PsiParameterListStub stub) {
  35     super(stub);
  36   }
  37
  38   @NotNull
  39   public PsiParameter[] getParameters() {
  40     return getStub().getChildrenByType(JavaStubElementTypes.PARAMETER, PsiParameter.ARRAY_FACTORY);
  41   }
  42
  43   public int getParameterIndex(PsiParameter parameter) {
  44     LOG.assertTrue(parameter.getParent() == this);
  45     return PsiImplUtil.getParameterIndex(parameter, this);
  46   }
  47
  48   public int getParametersCount() {
  49     return getParameters().length;
  50   }
  51
  52   public void appendMirrorText(final int indentLevel, final StringBuffer buffer) {
  53     buffer.append('(');
  54     PsiParameter[] parameters = getParameters();
  55     for (int i = 0; i < parameters.length; i++) {
  56       PsiParameter parm = parameters[i];
  57       if (i > 0) buffer.append(", ");
  58       ((ClsElementImpl)parm).appendMirrorText(indentLevel, buffer);
  59     }
  60     buffer.append(')');
  61   }
  62
  63   public void setMirror(@NotNull TreeElement element) {
  64     setMirrorCheckingType(element, null);
  65
  66     PsiParameter[] parms = getParameters();
  67     PsiParameter[] parmMirrors = ((PsiParameterList)SourceTreeToPsiMap.treeElementToPsi(element)).getParameters();
  68     LOG.assertTrue(parms.length == parmMirrors.length);
  69     if (parms.length == parmMirrors.length) {
  70       for (int i = 0; i < parms.length; i++) {
  71           ((ClsElementImpl)parms[i]).setMirror((TreeElement)SourceTreeToPsiMap.psiElementToTree(parmMirrors[i]));
  72       }
  73     }
  74   }
  75
  76   public void accept(@NotNull PsiElementVisitor visitor) {
  77     if (visitor instanceof JavaElementVisitor) {
  78       ((JavaElementVisitor)visitor).visitParameterList(this);
  79     }
  80     else {
  81       visitor.visitElement(this);
  82     }
  83   }
  84
  85   @NonNls
  86   public String toString() {
  87     return "PsiParameterList";
  88   }
  89 }