| /* |
| * Copyright 2005 Sascha Weinreuter |
| * |
| * 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 org.intellij.lang.xpath; |
| |
| import com.intellij.lang.ASTNode; |
| import com.intellij.lang.ParserDefinition; |
| import com.intellij.lang.PsiParser; |
| import com.intellij.lexer.Lexer; |
| 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.tree.IElementType; |
| import com.intellij.psi.tree.IFileElementType; |
| import com.intellij.psi.tree.TokenSet; |
| import org.jetbrains.annotations.NotNull; |
| |
| import org.intellij.lang.xpath.psi.impl.*; |
| import org.jetbrains.annotations.Nullable; |
| |
| @SuppressWarnings({"NullableProblems"}) |
| public class XPathParserDefinition implements ParserDefinition { |
| |
| @NotNull |
| public Lexer createLexer(Project project) { |
| return XPathLexer.create(false); |
| } |
| |
| public IFileElementType getFileNodeType() { |
| return XPathElementTypes.FILE; |
| } |
| |
| @NotNull |
| public TokenSet getWhitespaceTokens() { |
| return TokenSet.create(XPathTokenTypes.WHITESPACE); |
| } |
| |
| @NotNull |
| public TokenSet getCommentTokens() { |
| return TokenSet.EMPTY; |
| } |
| |
| @NotNull |
| public TokenSet getStringLiteralElements() { |
| return TokenSet.create(XPathTokenTypes.STRING_LITERAL); |
| } |
| |
| public PsiParser createParser(Project project) { |
| return new XPathParser(); |
| } |
| |
| public SpaceRequirements spaceExistanceTypeBetweenTokens(ASTNode left, ASTNode right) { |
| return SpaceRequirements.MUST_NOT; |
| } |
| |
| @NotNull |
| public final PsiElement createElement(ASTNode node) { |
| final IElementType type = node.getElementType(); |
| |
| final PsiElement element = createElement(type, node); |
| if (element != null) { |
| return element; |
| } |
| return new XPathTokenImpl(node); |
| } |
| |
| @Nullable |
| protected PsiElement createElement(IElementType type, ASTNode node) { |
| if (type == XPathElementTypes.NUMBER) { |
| return new XPathNumberImpl(node); |
| } else if (type == XPathElementTypes.STRING) { |
| return new XPathStringImpl(node); |
| } else if (type == XPathElementTypes.BINARY_EXPRESSION) { |
| return new XPathBinaryExpressionImpl(node); |
| } else if (type == XPathElementTypes.PREFIX_EXPRESSION) { |
| return new XPathPrefixExpressionImpl(node); |
| } else if (type == XPathElementTypes.PARENTHESIZED_EXPR) { |
| return new XPathParenthesizedExpressionImpl(node); |
| } else if (type == XPathElementTypes.FILTER_EXPRESSION) { |
| return new XPathFilterExpressionImpl(node); |
| } else if (type == XPathElementTypes.FUNCTION_CALL) { |
| return new XPathFunctionCallImpl(node); |
| } else if (type == XPathElementTypes.AXIS_SPECIFIER) { |
| return new XPathAxisSpecifierImpl(node); |
| } else if (type == XPathElementTypes.PREDICATE) { |
| return new XPathPredicateImpl(node); |
| } else if (type == XPathElementTypes.LOCATION_PATH) { |
| return new XPathLocationPathImpl(node); |
| } else if (type == XPathElementTypes.STEP) { |
| return new XPathStepImpl(node); |
| } else if (type == XPathElementTypes.NODE_TEST) { |
| return new XPathNodeTestImpl(node); |
| } else if (type == XPathElementTypes.NODE_TYPE) { |
| return new XPathNodeTypeTestImpl(node); |
| } else if (type == XPathElementTypes.VARIABLE_REFERENCE) { |
| return new XPathVariableReferenceImpl(node); |
| } else if (type == XPathElementTypes.EMBEDDED_CONTENT) { |
| return new XPathEmbeddedContentImpl(node); |
| } |
| |
| return null; |
| } |
| |
| public PsiFile createFile(FileViewProvider viewProvider) { |
| return new XPathFile(viewProvider, XPathFileType.XPATH); |
| } |
| } |