xml/impl/src/com/intellij/xml/util/XmlNSDescriptorSequence.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.xml.util;
  17
  18 import com.intellij.psi.PsiElement;
  19 import com.intellij.psi.xml.XmlDocument;
  20 import com.intellij.psi.xml.XmlFile;
  21 import com.intellij.psi.xml.XmlTag;
  22 import com.intellij.xml.XmlElementDescriptor;
  23 import com.intellij.xml.XmlNSDescriptor;
  24 import org.jetbrains.annotations.NotNull;
  25 import org.jetbrains.annotations.Nullable;
  26
  27 import java.util.ArrayList;
  28 import java.util.Arrays;
  29 import java.util.Iterator;
  30 import java.util.List;
  31
  32 /**
  33  * Created by IntelliJ IDEA.
  34  * User: ik
  35  * Date: 08.09.2003
  36  * Time: 17:27:43
  37  * To change this template use Options | File Templates.
  38  */
  39 public class XmlNSDescriptorSequence implements XmlNSDescriptor{
  40   final List<XmlNSDescriptor> sequence = new ArrayList<XmlNSDescriptor>();
  41
  42   public XmlNSDescriptorSequence(){
  43   }
  44
  45   public XmlNSDescriptorSequence(XmlNSDescriptor[] descriptors){
  46     for(int i = 0; i < descriptors.length; i++){
  47       final XmlNSDescriptor descriptor = descriptors[i];
  48       add(descriptor);
  49     }
  50   }
  51
  52   public void add(XmlNSDescriptor descriptor){
  53     sequence.add(descriptor);
  54   }
  55
  56   public XmlElementDescriptor getElementDescriptor(@NotNull XmlTag tag){
  57     final Iterator iterator = sequence.iterator();
  58     while(iterator.hasNext()){
  59       final XmlNSDescriptor descriptor = (XmlNSDescriptor) iterator.next();
  60       final XmlElementDescriptor elementDescriptor = descriptor.getElementDescriptor(tag);
  61       if(elementDescriptor != null) return elementDescriptor;
  62     }
  63     return null;
  64   }
  65
  66   @NotNull
  67   public XmlElementDescriptor[] getRootElementsDescriptors(@Nullable final XmlDocument document) {
  68     final List<XmlElementDescriptor> descriptors = new ArrayList<XmlElementDescriptor>();
  69     final Iterator iterator = sequence.iterator();
  70     while(iterator.hasNext()){
  71       final XmlNSDescriptor descriptor = (XmlNSDescriptor) iterator.next();
  72       descriptors.addAll(Arrays.asList(descriptor.getRootElementsDescriptors(document)));
  73     }
  74
  75     return descriptors.toArray(new XmlElementDescriptor[descriptors.size()]);
  76   }
  77
  78   public XmlFile getDescriptorFile(){
  79     final Iterator iterator = sequence.iterator();
  80     while(iterator.hasNext()){
  81       final XmlNSDescriptor descriptor = (XmlNSDescriptor) iterator.next();
  82       final XmlFile file = descriptor.getDescriptorFile();
  83       if(file != null) return file;
  84     }
  85     return null;
  86   }
  87
  88   public List<XmlNSDescriptor> getSequence(){
  89     return sequence;
  90   }
  91
  92   public boolean isHierarhyEnabled() {
  93     final Iterator iterator = sequence.iterator();
  94     while(iterator.hasNext()){
  95       final XmlNSDescriptor descriptor = (XmlNSDescriptor) iterator.next();
  96       if(descriptor.isHierarhyEnabled()) return true;
  97     }
  98     return false;
  99   }
 100
 101   public PsiElement getDeclaration(){
 102     final Iterator iterator = sequence.iterator();
 103     while(iterator.hasNext()){
 104       final XmlNSDescriptor descriptor = (XmlNSDescriptor) iterator.next();
 105       final PsiElement declaration = descriptor.getDeclaration();
 106       if(declaration != null) return declaration;
 107     }
 108     return null;
 109   }
 110
 111   public String getName(PsiElement context){
 112     final Iterator iterator = sequence.iterator();
 113     while(iterator.hasNext()){
 114       final XmlNSDescriptor descriptor = (XmlNSDescriptor) iterator.next();
 115       final String name = descriptor.getName(context);
 116       if(name != null) return name;
 117     }
 118     return null;
 119   }
 120
 121   public String getName(){
 122     final Iterator iterator = sequence.iterator();
 123     while(iterator.hasNext()){
 124       final XmlNSDescriptor descriptor = (XmlNSDescriptor) iterator.next();
 125       final String name = descriptor.getName();
 126       if(name != null) return name;
 127     }
 128     return null;
 129   }
 130
 131   public void init(PsiElement element){
 132     final Iterator iterator = sequence.iterator();
 133     while(iterator.hasNext()){
 134       final XmlNSDescriptor descriptor = (XmlNSDescriptor) iterator.next();
 135       descriptor.init(element);
 136     }
 137   }
 138
 139   public Object[] getDependences(){
 140     final List<Object> ret = new ArrayList<Object>();
 141     final Iterator iterator = sequence.iterator();
 142     while(iterator.hasNext()){
 143       final XmlNSDescriptor descriptor = (XmlNSDescriptor) iterator.next();
 144       ret.addAll(Arrays.asList(descriptor.getDependences()));
 145     }
 146     return ret.toArray();
 147   }
 148 }