source: trunk/src/org/modelica/mdt/editor/ModelicaRuleScanner.java @ 6

/*
 * Created on Jan 27, 2005
 *
 * TODO To change the template for this generated file go to
 * Window - Preferences - Java - Code Style - Code Templates
 */
package org.modelica.mdt.editor;

import org.eclipse.jface.text.TextAttribute;
import org.eclipse.jface.text.rules.EndOfLineRule;
import org.eclipse.jface.text.rules.IRule;
import org.eclipse.jface.text.rules.IToken;
import org.eclipse.jface.text.rules.RuleBasedScanner;
import org.eclipse.jface.text.rules.SingleLineRule;
import org.eclipse.jface.text.rules.MultiLineRule;
import org.eclipse.jface.text.rules.WordRule;
import org.eclipse.jface.text.rules.Token;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.RGB;
import org.eclipse.swt.widgets.Display;
import java.lang.String;

/**
 * @author Peter Bunus
 *
 * TODO To change the template for this generated type comment go to
 * Window - Preferences - Java - Code Style - Code Templates
 */
public class ModelicaRuleScanner extends RuleBasedScanner
                                 implements ModelicaSyntax {

    //comments are shown in green 4 (0,139,0)
    private static Color COMMENT_COLOR = new Color(Display.getCurrent(), new RGB(0, 139, 0));
    //Modelica reserved keywords are shown in red4 (139,0,0)
    private static Color KEYWORD_COLOR = new Color(Display.getCurrent(), new RGB(139, 0, 0));
    //Modelica types  are shown in blue4 (0,0,139)
    private static Color TYPES_COLOR = new Color(Display.getCurrent(), new RGB(0, 0, 139));

    public ModelicaRuleScanner() {
        
        IToken commentToken = new Token(new TextAttribute(COMMENT_COLOR,null,SWT.BOLD));
        IToken keywordToken = new Token(new TextAttribute(KEYWORD_COLOR,null,SWT.BOLD));
        IToken typesToken   = new Token(new TextAttribute(TYPES_COLOR,null,SWT.BOLD));
            
        IRule[] rules = new IRule[4];
            
                
        // Add word rule for keywords, types, and constants.
        WordRule wordRule = new WordRule(new ModelicaKeywordDetector());
        for (int i = 0; i < reservedwords.length; i++)
              wordRule.addWord(reservedwords[i], keywordToken);
        for (int i = 0; i < types.length; i++)
              wordRule.addWord(types[i], typesToken);
        for (int i = 0; i < constants.length; i++)
              wordRule.addWord(constants[i], keywordToken);
        rules[0]=wordRule;
        
//       this will match single line Modelica comments given between quotes "this is a comment"
        String begging = "this if \\u0022" ;
        System.out.println(begging);
        rules[1] = (new SingleLineRule( "\"", "\"", commentToken,'\\'));
        // this will match sinle line Modelica comments precceded by double backslash
        rules[2] = (new EndOfLineRule("//", commentToken,'\\'));
        //Add rules for multi-line comments
        rules[3] = (new MultiLineRule("/*", "*/", commentToken, (char) 0, true)); 
        
        setRules(rules);
    }

}