| /* |
| * 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.lang.xml; |
| |
| import com.intellij.lang.ASTNode; |
| import com.intellij.lang.ParserDefinition; |
| import com.intellij.lang.PsiParser; |
| import com.intellij.lexer.Lexer; |
| import com.intellij.lexer.XmlLexer; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.psi.FileViewProvider; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.PsiFile; |
| import com.intellij.psi.impl.source.parsing.xml.XmlParser; |
| import com.intellij.psi.impl.source.xml.XmlFileImpl; |
| import com.intellij.psi.tree.IFileElementType; |
| import com.intellij.psi.tree.TokenSet; |
| import com.intellij.psi.util.PsiUtilCore; |
| import com.intellij.psi.xml.XmlElementType; |
| import com.intellij.psi.xml.XmlTokenType; |
| import org.jetbrains.annotations.NotNull; |
| |
| /** |
| * @author max |
| */ |
| public class XMLParserDefinition implements ParserDefinition { |
| @Override |
| @NotNull |
| public Lexer createLexer(Project project) { |
| return new XmlLexer(); |
| } |
| |
| @Override |
| public IFileElementType getFileNodeType() { |
| return XmlElementType.XML_FILE; |
| } |
| |
| @Override |
| @NotNull |
| public TokenSet getWhitespaceTokens() { |
| return XmlTokenType.WHITESPACES; |
| } |
| |
| @Override |
| @NotNull |
| public TokenSet getCommentTokens() { |
| return XmlTokenType.COMMENTS; |
| } |
| |
| @Override |
| @NotNull |
| public TokenSet getStringLiteralElements() { |
| return TokenSet.EMPTY; |
| } |
| |
| @Override |
| @NotNull |
| public PsiParser createParser(final Project project) { |
| return new XmlParser(); |
| } |
| |
| @Override |
| @NotNull |
| public PsiElement createElement(ASTNode node) { |
| return PsiUtilCore.NULL_PSI_ELEMENT; |
| } |
| |
| @Override |
| public PsiFile createFile(FileViewProvider viewProvider) { |
| return new XmlFileImpl(viewProvider, XmlElementType.XML_FILE); |
| } |
| |
| @Override |
| public SpaceRequirements spaceExistanceTypeBetweenTokens(ASTNode left, ASTNode right) { |
| final Lexer lexer = createLexer(left.getPsi().getProject()); |
| return canStickTokensTogetherByLexerInXml(left, right, lexer, 0); |
| } |
| |
| public static SpaceRequirements canStickTokensTogetherByLexerInXml(final ASTNode left, |
| final ASTNode right, |
| final Lexer lexer, |
| int state) { |
| if (left.getElementType() == XmlTokenType.XML_ATTRIBUTE_VALUE_TOKEN || |
| right.getElementType() == XmlTokenType.XML_ATTRIBUTE_VALUE_TOKEN) { |
| return SpaceRequirements.MUST_NOT; |
| } |
| if (left.getElementType() == XmlTokenType.XML_ATTRIBUTE_VALUE_END_DELIMITER && right.getElementType() == XmlTokenType.XML_NAME) { |
| return SpaceRequirements.MUST; |
| } |
| if (left.getElementType() == XmlTokenType.XML_NAME && right.getElementType() == XmlTokenType.XML_NAME) { |
| return SpaceRequirements.MUST; |
| } |
| return SpaceRequirements.MAY; |
| } |
| } |