Examples of org.pentaho.reporting.libraries.css.resolver.function.ContentFunction

org.pentaho.reporting.libraries.css.resolver.function.ContentFunction

A content function is only valid when evaluating either the 'content' property or the 'string-set' property. These functions produce ContentToken.

ContentFunctions are only valid as first-level functions. That means, when evaluating nested function calls like 'url(attr(blah))', the URL function will be resolved as ContentFunction, but the attr-function will be resolved as ordinary CSSValue function. @author Thomas Morgner


  private ContentToken evaluateFunction(final CSSFunctionValue function,
                                        final DocumentContext process,
                                        final LayoutElement element)
  {
    final ContentFunction styleFunction =
        FunctionFactory.getInstance().getContentFunction(function.getFunctionName());
    if (styleFunction == null)
    {
      return null;
    }
    try
    {
      return styleFunction.evaluate(process, element, function);
    }
    catch (FunctionEvaluationException e)
    {
      DebugLog.log("Evaluation failed " + e);
      return null;

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