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/*******************************************************************************
* Copyright (c) 2004 IBM Corporation and others.
* 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:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.wst.css.core.internal.util.declaration;
import org.eclipse.wst.css.core.internal.contentmodel.PropCMProperty;
import org.eclipse.wst.css.core.internal.parserz.CSSRegionContexts;
import org.eclipse.wst.css.core.internal.parserz.CSSTextParser;
import org.eclipse.wst.css.core.internal.parserz.CSSTextToken;
/**
* For 'border-top' property 'border-top' will be expanded to
* 'border-top-color', 'border-top-style', 'border-top-width',
*/
public class BorderTopShorthandAdapter implements IShorthandAdapter {
/**
*
*/
public BorderTopShorthandAdapter() {
super();
}
/**
*
*/
public boolean expand(String source, CSSPropertyContext dest) {
CSSTextParser parser = new CSSTextParser(CSSTextParser.MODE_DECLARATION_VALUE, source);
CSSTextToken[] tokens = parser.getTokens();
if (tokens.length <= 0) {
return false;
}
String color = "", style = "", width = "";//$NON-NLS-3$//$NON-NLS-2$//$NON-NLS-1$
PropCMProperty propColor = PropCMProperty.getInstanceOf(PropCMProperty.P_BORDER_TOP_COLOR);
PropCMProperty propStyle = PropCMProperty.getInstanceOf(PropCMProperty.P_BORDER_TOP_STYLE);
PropCMProperty propWidth = PropCMProperty.getInstanceOf(PropCMProperty.P_BORDER_TOP_WIDTH);
for (int i = 0; i < tokens.length; i++) {
if (tokens[i].kind == CSSRegionContexts.CSS_DECLARATION_VALUE_IDENT) {
if (propStyle.canHave(tokens[i].image))
style = tokens[i].image;
else if (propWidth.canHave(tokens[i].image))
width = tokens[i].image;
else if (propColor.canHave(tokens[i].image))
color = tokens[i].image;
}
else if (org.eclipse.wst.css.core.internal.util.CSSUtil.isLength(tokens[i]) || tokens[i].kind == CSSRegionContexts.CSS_DECLARATION_VALUE_NUMBER) {
width = tokens[i].image;
}
else if (tokens[i].kind == CSSRegionContexts.CSS_DECLARATION_VALUE_HASH) {
color = tokens[i].image;
}
else if (tokens[i].kind == CSSRegionContexts.CSS_DECLARATION_VALUE_FUNCTION) {
StringBuffer buf = new StringBuffer();
while (i < tokens.length) {
if (tokens[i].kind == CSSRegionContexts.CSS_COMMENT) {
i++;
continue;
}
buf.append(tokens[i].image);
if (tokens[i++].kind == CSSRegionContexts.CSS_DECLARATION_VALUE_PARENTHESIS_CLOSE)
break;
}
i--;
color = buf.toString();
}
}
dest.set(propColor.getName(), color);
dest.set(propStyle.getName(), style);
dest.set(propWidth.getName(), width);
return true;
}
/**
*
*/
public String extract(String source, PropCMProperty propDest) {
CSSTextParser parser = new CSSTextParser(CSSTextParser.MODE_DECLARATION_VALUE, source);
CSSTextToken[] tokens = parser.getTokens();
if (tokens.length <= 0) {
return null;
}
String color = null, style = null, width = null;
PropCMProperty propColor = PropCMProperty.getInstanceOf(PropCMProperty.P_BORDER_TOP_COLOR);
PropCMProperty propStyle = PropCMProperty.getInstanceOf(PropCMProperty.P_BORDER_TOP_STYLE);
PropCMProperty propWidth = PropCMProperty.getInstanceOf(PropCMProperty.P_BORDER_TOP_WIDTH);
for (int i = 0; i < tokens.length; i++) {
if (tokens[i].kind == CSSRegionContexts.CSS_DECLARATION_VALUE_IDENT) {
if (propStyle.canHave(tokens[i].image))
style = tokens[i].image;
else if (propWidth.canHave(tokens[i].image))
width = tokens[i].image;
else if (propColor.canHave(tokens[i].image))
color = tokens[i].image;
}
else if (org.eclipse.wst.css.core.internal.util.CSSUtil.isLength(tokens[i]) || tokens[i].kind == CSSRegionContexts.CSS_DECLARATION_VALUE_NUMBER) {
width = tokens[i].image;
}
else if (tokens[i].kind == CSSRegionContexts.CSS_DECLARATION_VALUE_HASH) {
color = tokens[i].image;
}
else if (tokens[i].kind == CSSRegionContexts.CSS_DECLARATION_VALUE_FUNCTION) {
StringBuffer buf = new StringBuffer();
while (i < tokens.length) {
if (tokens[i].kind == CSSRegionContexts.CSS_COMMENT) {
i++;
continue;
}
buf.append(tokens[i].image);
if (tokens[i++].kind == CSSRegionContexts.CSS_DECLARATION_VALUE_PARENTHESIS_CLOSE)
break;
}
i--;
color = buf.toString();
}
}
if (propColor == propDest)
return color;
else if (propStyle == propDest)
return style;
else if (propWidth == propDest)
return width;
else
return null;
}
}
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