/*
* Copyright 2014 Daniel Kurka.
*
* 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 com.google.gwt.resources.converter;
import com.google.gwt.resources.css.ast.Context;
import com.google.gwt.resources.css.ast.CssProperty;
import com.google.gwt.resources.css.ast.CssProperty.ListValue;
import com.google.gwt.resources.css.ast.CssVisitor;
/**
* Escapes white spaces in font-family declarations, thus allowing usage of fonts that might
* be mistaken for constants.
*/
public class FontFamilyVisitor extends CssVisitor {
@Override
public boolean visit(CssProperty x, Context ctx) {
if ("font-family".equals(x.getName())) {
ListValue values = x.getValues();
String css = values.toCss();
StringBuilder valueBuilder = new StringBuilder();
boolean first = true;
for (String subProperty : css.split(",")) {
if (first) {
first = false;
} else {
valueBuilder.append(",");
}
subProperty = subProperty.trim();
if (subProperty.contains(" ")) {
valueBuilder.append("'" + subProperty + "'");
} else {
valueBuilder.append(subProperty);
}
}
x.setValue(new SimpleValue(valueBuilder.toString()));
}
return false;
}
}