/*
* Copyright 2009 Max Ishchenko
*
* 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 net.ishchenko.idea.nginx.parser;
import com.intellij.extapi.psi.ASTWrapperPsiElement;
import com.intellij.lang.ASTNode;
import com.intellij.lang.LanguageUtil;
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 net.ishchenko.idea.nginx.lexer.NginxElementTypes;
import net.ishchenko.idea.nginx.lexer.NginxParsingLexer;
import net.ishchenko.idea.nginx.psi.impl.*;
import org.jetbrains.annotations.NotNull;
/**
* Created by IntelliJ IDEA.
* User: Max
* Date: 04.07.2009
* Time: 14:39:39
*/
public class NginxParserDefinition implements ParserDefinition {
@NotNull
public Lexer createLexer(Project project) {
return new NginxParsingLexer();
}
public PsiParser createParser(Project project) {
return new NginxParser(project);
}
public IFileElementType getFileNodeType() {
return NginxElementTypes.FILE;
}
@NotNull
public TokenSet getWhitespaceTokens() {
return NginxElementTypes.WHITE_SPACES;
}
@NotNull
public TokenSet getCommentTokens() {
return NginxElementTypes.COMMENTS;
}
@NotNull
public TokenSet getStringLiteralElements() {
return NginxElementTypes.STRINGS;
}
@NotNull
public PsiElement createElement(ASTNode node) {
IElementType type = node.getElementType();
if (type == NginxElementTypes.DIRECTIVE) {
return new NginxDirectiveImpl(node);
} else if (type == NginxElementTypes.CONTEXT_NAME) {
return new NginxDirectiveNameImpl(node);
} else if (type == NginxElementTypes.DIRECTIVE_NAME) {
return new NginxDirectiveNameImpl(node);
} else if (type == NginxElementTypes.DIRECTIVE_VALUE) {
return new NginxDirectiveValueImpl(node);
} else if (type == NginxElementTypes.DIRECTIVE_STRING_VALUE) {
return new NginxDirectiveValueImpl(node);
} else if (type == NginxElementTypes.INNER_VARIABLE) {
return new NginxInnerVariableImpl(node);
} else if (type == NginxElementTypes.COMPLEX_VALUE) {
return new NginxComplexValueImpl(node);
} else if (type == NginxElementTypes.CONTEXT) {
return new NginxContextImpl(node);
}
return new ASTWrapperPsiElement(node);
}
public PsiFile createFile(FileViewProvider fileViewProvider) {
return new NginxPsiFileImpl(fileViewProvider);
}
public SpaceRequirements spaceExistanceTypeBetweenTokens(ASTNode left, ASTNode right) {
final Lexer lexer = createLexer(left.getPsi().getProject());
return LanguageUtil.canStickTokensTogetherByLexer(left, right, lexer);
}
}