xml/impl/src/com/intellij/psi/xml/XmlChildRole.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.xml;
  17
  18 import com.intellij.lang.ASTNode;
  19 import com.intellij.openapi.extensions.ExtensionPointName;
  20 import com.intellij.openapi.extensions.Extensions;
  21 import com.intellij.psi.PsiElement;
  22 import com.intellij.psi.tree.DefaultRoleFinder;
  23 import com.intellij.psi.tree.IElementType;
  24 import com.intellij.psi.tree.RoleFinder;
  25 import com.intellij.util.ArrayUtil;
  26 import com.intellij.xml.util.XmlTagUtil;
  27 import org.jetbrains.annotations.NotNull;
  28 import org.jetbrains.annotations.Nullable;
  29
  30 public interface XmlChildRole {
  31
  32   interface StartTagEndTokenProvider {
  33     IElementType[] getTypes();
  34   }
  35
  36   ExtensionPointName<StartTagEndTokenProvider> EP_NAME = new ExtensionPointName<StartTagEndTokenProvider>("com.intellij.xml.startTagEndToken");
  37
  38   RoleFinder START_TAG_NAME_FINDER = new RoleFinder() {
  39     public ASTNode findChild(@NotNull ASTNode parent) {
  40       final PsiElement element = XmlTagUtil.getStartTagNameElement((XmlTag)parent.getPsi());
  41       return element == null ? null : element.getNode();
  42     }
  43   };
  44
  45   RoleFinder CLOSING_TAG_NAME_FINDER = new RoleFinder() {
  46     @Nullable
  47     public ASTNode findChild(@NotNull ASTNode parent) {
  48       final PsiElement element = XmlTagUtil.getEndTagNameElement((XmlTag)parent.getPsi());
  49       return element == null ? null : element.getNode();
  50     }
  51   };
  52
  53   RoleFinder DOCUMENT_FINDER = new RoleFinder() {
  54     public ASTNode findChild(@NotNull ASTNode parent) {
  55       ASTNode oldDocument = parent.findChildByType(XmlElementType.XML_DOCUMENT);
  56       if(oldDocument == null) oldDocument = parent.findChildByType(XmlElementType.HTML_DOCUMENT);
  57       return oldDocument;
  58     }
  59   };
  60
  61   RoleFinder ATTRIBUTE_VALUE_FINDER = new DefaultRoleFinder(XmlElementType.XML_ATTRIBUTE_VALUE);
  62   RoleFinder CLOSING_TAG_START_FINDER = new DefaultRoleFinder(XmlTokenType.XML_END_TAG_START);
  63   RoleFinder EMPTY_TAG_END_FINDER = new DefaultRoleFinder(XmlTokenType.XML_EMPTY_ELEMENT_END);
  64   RoleFinder ATTRIBUTE_NAME_FINDER = new DefaultRoleFinder(XmlTokenType.XML_NAME);
  65   RoleFinder ATTRIBUTE_VALUE_VALUE_FINDER = new DefaultRoleFinder(XmlTokenType.XML_ATTRIBUTE_VALUE_TOKEN);
  66   RoleFinder START_TAG_END_FINDER = new DefaultRoleFinder(XmlTokenType.XML_TAG_END) {
  67     {
  68       final StartTagEndTokenProvider[] tokenProviders = Extensions.getExtensions(EP_NAME);
  69       for (StartTagEndTokenProvider tokenProvider : tokenProviders) {
  70         myElementTypes = ArrayUtil.mergeArrays(myElementTypes, tokenProvider.getTypes(), IElementType.class);
  71       }
  72     }
  73   };
  74   RoleFinder START_TAG_START_FINDER = new DefaultRoleFinder(XmlTokenType.XML_START_TAG_START);
  75   RoleFinder PROLOG_FINDER = new DefaultRoleFinder(XmlElementType.XML_PROLOG);
  76
  77
  78   int XML_DOCUMENT = 223;
  79   int XML_TAG_NAME = 224;
  80   int XML_PROLOG = 225;
  81   int XML_DOCTYPE = 226;
  82   int XML_DOCTYPE_PUBLIC = 227;
  83   int XML_DOCTYPE_SYSTEM = 228;
  84   int XML_NAME = 229;
  85   int XML_ELEMENT_CONTENT_SPEC = 230;
  86   int XML_CONTENT_ANY = 231;
  87   int XML_CONTENT_EMPTY = 232;
  88   int XML_PCDATA = 233;
  89   int XML_ATT_REQUIRED = 234;
  90   int XML_ATT_IMPLIED = 235;
  91   int XML_ATT_FIXED = 236;
  92   int XML_DEFAULT_VALUE = 237;
  93   int XML_ENUMERATED_TYPE = 238;
  94   int XML_ATTRIBUTE = 240;
  95   int XML_TAG = 241;
  96   int XML_ATTRIBUTE_VALUE = 243;
  97   int HTML_DOCUMENT = 252;
  98 }