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/*
* Copyright 2007 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.plugins.relaxNG.compact.psi.util;
import com.intellij.lang.ASTNode;
import com.intellij.psi.PsiFileFactory;
import com.intellij.psi.PsiManager;
import com.intellij.util.IncorrectOperationException;
import com.intellij.util.containers.HashSet;
import com.sun.org.apache.xerces.internal.util.XML11Char;
import org.intellij.plugins.relaxNG.compact.RncElementTypes;
import org.intellij.plugins.relaxNG.compact.RncFileType;
import org.intellij.plugins.relaxNG.compact.RncTokenTypes;
import org.intellij.plugins.relaxNG.compact.psi.RncFile;
import org.intellij.plugins.relaxNG.compact.psi.RncGrammar;
import org.jetbrains.annotations.NotNull;
import java.util.Collections;
import java.util.Set;
/**
* Created by IntelliJ IDEA.
* User: sweinreuter
* Date: 14.08.2007
*/
public class RenameUtil {
private static final Set<String> ourRncKeywords = new HashSet<String>();
static {
Collections.addAll(ourRncKeywords, "attribute", "default", "datatypes", "div", "element", "empty", "external",
"grammar", "include", "inherit", "list", "mixed", "namespace", "notAllowed", "parent", "start",
"string", "text", "token");
}
private RenameUtil() {
}
@NotNull
public static ASTNode createIdentifierNode(PsiManager manager, String name) throws IncorrectOperationException {
if (isKeyword(name)) {
name = "\\" + name;
} else if (!isIdentifier(name)) {
throw new IncorrectOperationException("Illegal identifier: " + name);
}
final PsiFileFactory f = PsiFileFactory.getInstance(manager.getProject());
final RncFile file = (RncFile)f.createFileFromText("dummy.rnc", RncFileType.getInstance(), name + " = bar");
final ASTNode astNode = findFirstGrammarNode(file);
final ASTNode newNode = astNode.findChildByType(RncTokenTypes.IDENTIFIERS);
assert newNode != null;
return newNode;
}
public static boolean isIdentifier(String name) {
//return isTokenOfType(manager, name, RncTokenTypes.IDENTIFIER_OR_KEYWORD);
if (name == null) {
return false;
}
if (XML11Char.isXML11ValidNCName(name)) {
return true;
}
return name.length() >= 2 && name.startsWith("\\") && XML11Char.isXML11ValidNCName(name.substring(1));
}
public static boolean isKeyword(String name) {
//return isTokenOfType(manager, name, RncTokenTypes.KEYWORDS);
return ourRncKeywords.contains(name);
}
/*private static boolean isTokenOfType(PsiManager manager, String name, TokenSet set) {
final ParserDefinition definition = LanguageParserDefinitions.INSTANCE.forLanguage(RngCompactLanguage.INSTANCE);
assert definition != null;
final Lexer lexer = definition.createLexer(manager.getProject());
lexer.start(name, 0, name.length(), 0);
final IElementType t = lexer.getTokenType();
lexer.advance();
return lexer.getTokenType() == null && set.contains(t);
}*/
public static ASTNode createPrefixedNode(PsiManager manager, String prefix, String localPart) {
final PsiFileFactory f = PsiFileFactory.getInstance(manager.getProject());
final RncFile file = (RncFile)f.createFileFromText("dummy.rnc", RncFileType.getInstance(), "element " + prefix + ":" + localPart + " { text }");
final ASTNode node = findFirstGrammarNode(file);
final ASTNode nameClassNode = node.findChildByType(RncElementTypes.NAME_CLASS);
assert nameClassNode != null;
final ASTNode astNode = nameClassNode.findChildByType(RncElementTypes.NAME);
assert astNode != null;
return astNode;
}
@NotNull
private static ASTNode findFirstGrammarNode(RncFile file) {
final RncGrammar grammar = file.getGrammar();
assert grammar != null;
final ASTNode grammarNode = grammar.getNode();
assert grammarNode != null;
final ASTNode astNode = grammarNode.getFirstChildNode();
assert astNode != null;
return astNode;
}
public static ASTNode createLiteralNode(PsiManager manager, String content) {
final PsiFileFactory f = PsiFileFactory.getInstance(manager.getProject());
final RncFile file = (RncFile)f.createFileFromText("dummy.rnc", RncFileType.getInstance(), "include \"" + content + "\"");
final ASTNode include = findFirstGrammarNode(file);
final ASTNode literal = include.findChildByType(RncTokenTypes.LITERAL);
assert literal != null;
return literal;
}
}
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