xml/impl/src/com/intellij/lang/xml/XMLParserDefinition.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.lang.xml;
  17
  18 import com.intellij.lang.ASTNode;
  19 import com.intellij.lang.ParserDefinition;
  20 import com.intellij.lang.PsiParser;
  21 import com.intellij.lexer.Lexer;
  22 import com.intellij.lexer.XmlLexer;
  23 import com.intellij.openapi.project.Project;
  24 import com.intellij.psi.FileViewProvider;
  25 import com.intellij.psi.PsiElement;
  26 import com.intellij.psi.PsiFile;
  27 import com.intellij.psi.impl.source.parsing.xml.XmlParser;
  28 import com.intellij.psi.impl.source.xml.XmlFileImpl;
  29 import com.intellij.psi.tree.IFileElementType;
  30 import com.intellij.psi.tree.TokenSet;
  31 import com.intellij.psi.util.PsiUtilBase;
  32 import com.intellij.psi.xml.XmlElementType;
  33 import com.intellij.psi.xml.XmlTokenType;
  34 import com.intellij.xml.util.XmlUtil;
  35 import org.jetbrains.annotations.NotNull;
  36
  37 /**
  38  * Created by IntelliJ IDEA.
  39  * User: max
  40  * Date: Jan 26, 2005
  41  * Time: 1:00:32 PM
  42  * To change this template use File | Settings | File Templates.
  43  */
  44 public class XMLParserDefinition implements ParserDefinition {
  45   @NotNull
  46   public Lexer createLexer(Project project) {
  47     return new XmlLexer();
  48   }
  49
  50   public IFileElementType getFileNodeType() {
  51     return XmlElementType.XML_FILE;
  52   }
  53
  54   @NotNull
  55   public TokenSet getWhitespaceTokens() {
  56     return XmlTokenType.WHITESPACES;
  57   }
  58
  59   @NotNull
  60   public TokenSet getCommentTokens() {
  61     return XmlTokenType.COMMENTS;
  62   }
  63
  64   @NotNull
  65   public TokenSet getStringLiteralElements() {
  66     return TokenSet.EMPTY;
  67   }
  68
  69   @NotNull
  70   public PsiParser createParser(final Project project) {
  71     return new XmlParser();
  72   }
  73
  74   @NotNull
  75   public PsiElement createElement(ASTNode node) {
  76     return PsiUtilBase.NULL_PSI_ELEMENT;
  77   }
  78
  79   public PsiFile createFile(FileViewProvider viewProvider) {
  80     return new XmlFileImpl(viewProvider, XmlElementType.XML_FILE);
  81   }
  82
  83   public SpaceRequirements spaceExistanceTypeBetweenTokens(ASTNode left, ASTNode right) {
  84     final Lexer lexer = createLexer(left.getPsi().getProject());
  85     return XmlUtil.canStickTokensTogetherByLexerInXml(left, right, lexer, 0);
  86   }
  87
  88 }