/*
* Copyright (c) 2007-2009, Osmorc Development Team
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright notice, this list
* of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright notice, this
* list of conditions and the following disclaimer in the documentation and/or other
* materials provided with the distribution.
* * Neither the name of 'Osmorc Development Team' nor the names of its contributors may be
* used to endorse or promote products derived from this software without specific
* prior written permission.
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
* THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.osmorc.manifest.lang;
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.openapi.components.ServiceManager;
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 com.intellij.psi.util.PsiUtil;
import org.jetbrains.annotations.NotNull;
import org.osmorc.manifest.lang.psi.ManifestStubElementTypes;
import org.osmorc.manifest.lang.psi.elementtype.AbstractManifestStubElementType;
import org.osmorc.manifest.lang.psi.impl.ManifestFileImpl;
import org.osmorc.manifest.lang.psi.Header;
import org.osmorc.manifest.lang.headerparser.HeaderParserRepository;
/**
* @author Robert F. Beeger (robert@beeger.net)
*/
public class ManifestParserDefinition implements ParserDefinition {
@NotNull
public Lexer createLexer(Project project) {
return new ManifestLexer();
}
public PsiParser createParser(Project project) {
return new ManifestParser(ServiceManager.getService(HeaderParserRepository.class));
}
public IFileElementType getFileNodeType() {
return ManifestStubElementTypes.FILE;
}
@NotNull
public TokenSet getWhitespaceTokens() {
return TokenSet.EMPTY;
}
@NotNull
public TokenSet getCommentTokens() {
return TokenSet.EMPTY;
}
@NotNull
public TokenSet getStringLiteralElements() {
return TokenSet.EMPTY;
}
@NotNull
public PsiElement createElement(ASTNode node) {
final IElementType type = node.getElementType();
if (type instanceof AbstractManifestStubElementType) {
return ((AbstractManifestStubElementType)type).createPsi(node);
}
return PsiUtil.NULL_PSI_ELEMENT;
}
public PsiFile createFile(FileViewProvider viewProvider) {
return new ManifestFileImpl(viewProvider);
}
@SuppressWarnings({"MethodNameWithMistakes"})
public SpaceRequirements spaceExistanceTypeBetweenTokens(ASTNode left, ASTNode right) {
return (left.getPsi() instanceof Header || right.getPsi() instanceof Header) ? SpaceRequirements.MUST_LINE_BREAK : SpaceRequirements.MUST_NOT;
}
}