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* Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
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package org.netbeans.modules.java.editor.semantic;
import java.util.Map;
import javax.swing.text.AttributeSet;
import org.netbeans.api.java.lexer.JavaTokenId;
import org.netbeans.api.lexer.Token;
import org.netbeans.api.lexer.TokenSequence;
import org.netbeans.modules.java.editor.semantic.ColoringAttributes.Coloring;
import org.netbeans.spi.editor.highlighting.HighlightsSequence;
/**
*
* @author Jan Lahoda
*/
public class LexerBasedHighlightSequence implements HighlightsSequence {
private LexerBasedHighlightLayer layer;
private Map<Token, Coloring> colorings;
private TokenSequence ts;
private boolean started;
public LexerBasedHighlightSequence(LexerBasedHighlightLayer layer, TokenSequence ts, Map<Token, Coloring> colorings) {
this.layer = layer;
this.ts = ts;
this.colorings = colorings;
}
private boolean moveNextImpl() {
if (started) {
return ts.moveNext();
} else {
started = true;
return ts.moveNext();
}
}
public boolean moveNext() {
while (moveNextImpl()) {
Token t = ts.token();
if (t.id() == JavaTokenId.IDENTIFIER && colorings.containsKey(ts.token()))
return true;
}
return false;
}
public int getStartOffset() {
return ts.offset();
}
public int getEndOffset() {
return ts.offset() + ts.token().length();
}
public AttributeSet getAttributes() {
return layer.getColoring(colorings.get(ts.token()));
}
}
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