/**
* given a string that denotes the properties of one or more selectors, parse further into
* name/value pairs and call documentHandler's property callback.
*/
private void _handlePropertiesString(SkinCSSDocumentHandler documentHandler, String properties) {
if (properties == null) return;
// first, parse out any comments
Matcher matcher = _COMMENT_PATTERN.matcher(properties);
properties = matcher.replaceAll("");
// split into name and value (don't skip whitespace since properties like padding: 0px 5px
// need the spaces)
String[] property = _splitString(properties, ';', false);
for (int i = 0; i < property.length; i++) {
int indexOfColon = property[i].indexOf(':');
if ((indexOfColon > -1) && (indexOfColon < property[i].length())) {
String name = property[i].substring(0, indexOfColon);
String value = property[i].substring(indexOfColon + 1);
documentHandler.property(name.trim(), value.trim());
}
}
}
public void parseCSSDocument(Reader in, SkinCSSDocumentHandler documentHandler) {
try {
CSSScanner scanner = new CSSScanner(in);
documentHandler.startDocument();
List<String> selectorList = null;
// start scanning the document
// return comments /* xxx */
// return @rules, which end with ';'
// return selectors, which end with a {
// return properties, which end with a }
int currentType = _nextIgnoreSpaces(scanner);
while (currentType != CSSLexicalUnits.EOF) {
if (currentType == CSSLexicalUnits.COMMENT)
documentHandler.comment(scanner.getStringValue());
else if (currentType == CSSLexicalUnits.AT_KEYWORD)
documentHandler.atRule(scanner.getStringValue());
else if (currentType == CSSLexicalUnits.LEFT_CURLY_BRACE) {
documentHandler.startSelector();
selectorList = _parseSelectorString(scanner.getStringValue());
} else if (currentType == CSSLexicalUnits.RIGHT_CURLY_BRACE) {
String properties = scanner.getStringValue();
_handlePropertiesString(documentHandler, properties);
if (selectorList == null) {
if (_LOG.isWarning()) {
_LOG.warning("IGNORING_PROPERTIES_WITHOUT_SELECTOR", properties);
}
}
documentHandler.endSelector(selectorList);
}
currentType = _nextIgnoreSpaces(scanner);
}
} finally {
documentHandler.endDocument();
}
}