public List selectNodes(Object object, NamespaceContext namespaces)
throws TemplateModelException {
Context context = getContext(object);
context.getContextSupport().setNamespaceContext(namespaces);
try {
return selectNodesForContext(context);
} catch (Exception e) {
throw new TemplateModelException(e);
}
}
@Override
@SuppressWarnings("rawtypes")
public Object call(Context context, List arguments) throws FunctionCallException {
if (arguments.size() == 2) {
return evaluate(arguments.get(0), arguments.get(1), context.getNavigator());
} else if ((arguments.size() == 3) && (arguments.get(2) != null)) {
return evaluate(arguments.get(0), arguments.get(1), arguments.get(2), context.getNavigator());
}
throw new FunctionCallException("matches() requires two or three arguments");
}
/* */ public Object call(Context context, List args) /* */ throws FunctionCallException
/* */ {
/* 127 */ if (args.size() == 3) {
/* 128 */ return evaluate(args.get(0), args.get(1), args.get(2), context.getNavigator());
/* */ }
/* */
/* 134 */ throw new FunctionCallException("translate() requires three arguments.");
/* */ }
/**
* Returns a substring of an XPath string-value by character index.
*
* @param context the context at the point in the expression when the function is called
* @param args a list that contains two or three items
* @return a <code>String</code> containing the specifed character subsequence of the original
* string or the string-value of the context node
* @throws FunctionCallException if <code>args</code> has more than three or less than two items
*/
public Object call(Context context, List args) throws FunctionCallException {
final int argc = args.size();
if (argc < 2 || argc > 3) {
throw new FunctionCallException("substring() requires two or three arguments.");
}
final Navigator nav = context.getNavigator();
final String str = StringFunction.evaluate(args.get(0), nav);
// The spec doesn't really address this case
if (str == null) {
return "";
}
final int stringLength = (StringLengthFunction.evaluate(args.get(0), nav)).intValue();
if (stringLength == 0) {
return "";
}
Double d1 = NumberFunction.evaluate(args.get(1), nav);
if (d1.isNaN()) {
return "";
}
// Round the value and subtract 1 as Java strings are zero based
int start = RoundFunction.evaluate(d1, nav).intValue() - 1;
int substringLength = stringLength;
if (argc == 3) {
Double d2 = NumberFunction.evaluate(args.get(2), nav);
if (!d2.isNaN()) {
substringLength = RoundFunction.evaluate(d2, nav).intValue();
} else {
substringLength = 0;
}
}
if (substringLength < 0) return "";
int end = start + substringLength;
if (argc == 2) end = stringLength;
// negative start is treated as 0
if (start < 0) {
start = 0;
} else if (start > stringLength) {
return "";
}
if (end > stringLength) {
end = stringLength;
} else if (end < start) return "";
if (stringLength == str.length()) {
// easy case; no surrogate pairs
return str.substring(start, end);
} else {
return unicodeSubstring(str, start, end);
}
}
