/*******************************************************************************
* Copyright (c) 2010 Bruno Medeiros and other Contributors.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Bruno Medeiros - initial API and implementation
*******************************************************************************/
package melnorme.lang.ide.core_text;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.jface.text.rules.EndOfLineRule;
import org.eclipse.jface.text.rules.IPredicateRule;
import org.eclipse.jface.text.rules.IToken;
import org.eclipse.jface.text.rules.MultiLineRule;
import org.eclipse.jface.text.rules.RuleBasedPartitionScanner;
import org.eclipse.jface.text.rules.SingleLineRule;
import org.eclipse.jface.text.rules.Token;
public class SamplePartitionScanner extends RuleBasedPartitionScanner {
public static final String LANG_PARTITIONING = "___lang_partioning";
private static final String LANG_STRING = "___lang_string";
private static final String LANG_RAW_STRING = "___lang_raw_string";
private static final String LANG_CHARACTER = "___lang_character";
private static final String LANG_SINGLE_COMMENT = "___lang_single_comment";
private static final String LANG_MULTI_COMMENT = "___lang_multi_comment";
public static final String[] LEGAL_CONTENT_TYPES = {
LANG_STRING,
LANG_RAW_STRING,
LANG_CHARACTER,
LANG_SINGLE_COMMENT,
LANG_MULTI_COMMENT,
};
private static final char NO_ESCAPE = (char) -1;
/**
* Creates the partitioner and sets up the appropriate rules.
*/
public SamplePartitionScanner() {
IToken tkString = new Token(LANG_STRING);
IToken tkRawString = new Token(LANG_RAW_STRING);
IToken tkCharacter = new Token(LANG_CHARACTER);
IToken tkSingleComment = new Token(LANG_SINGLE_COMMENT);
IToken tkMultiComment = new Token(LANG_MULTI_COMMENT);
List<IPredicateRule> rules = new ArrayList<IPredicateRule>();
rules.add(new MultiLineRule("`", "`", tkRawString, NO_ESCAPE, true));
rules.add(new MultiLineRule("\"", "\"", tkString, '\\', true));
rules.add(new SingleLineRule("'", "'", tkCharacter, '\\', true));
rules.add(new EndOfLineRule("//", tkSingleComment, NO_ESCAPE));
rules.add(new MultiLineRule("/*", "*/", tkMultiComment, NO_ESCAPE, true));
setPredicateRules(rules.toArray(new IPredicateRule[rules.size()]));
}
}