public object Invoke(XsltContext xsltContext, object[] args, XPathNavigator docContext)
{
OPathXsltContext opathXsltContext = (OPathXsltContext)xsltContext;
IDictionary <string, OPathCustomFunction> customFunctions =
opathXsltContext.CustomFunctions;
string customFunctionKey = GetCustomFunctionKey(this.Prefix, this.Name);
OPathCustomFunction customFunction;
if (customFunctions.TryGetValue(customFunctionKey, out customFunction))
{
OPathCustomTypeConverter customTypeConverter = opathXsltContext.CustomTypeConverter;
object result = customFunction(args);
object convertedResult = customTypeConverter(result);
return(convertedResult);
}
else
{
throw new OPathException("Could not resolve the custom function " + customFunctionKey);
}
}
public OPathXsltContext(IDictionary <string, object> variables,
IDictionary <string, OPathCustomFunction> customFunctions,
OPathCustomTypeConverter customTypeConverter)
{
if (variables == null)
{
this.Variables = new Dictionary <string, object>();
}
else
{
this.Variables = variables;
}
this.CustomFunctions = customFunctions;
this.CustomTypeConverter = customTypeConverter;
}
public object Evaluate(XsltContext xsltContext)
{
OPathXsltContext opathXsltContext = (OPathXsltContext)xsltContext;
IDictionary <string, object> variables = opathXsltContext.Variables;
OPathCustomTypeConverter customTypeConverter = opathXsltContext.CustomTypeConverter;
object value;
if (!variables.TryGetValue(this.Name, out value))
{
throw new OPathException(
string.Format("Variable {0} was not found in the OPathXsltContext.", this.Name));
}
object convertedValue = customTypeConverter(value);
return(convertedValue);
}
/// <summary>
/// Register the custom type converter specified, overriding any previous converter for that type.
/// </summary>
/// <param name="customType">Type of the custom.</param>
/// <param name="customTypeConverter">The custom type converter.</param>
public void RegisterCustomTypeConverter(Type customType, OPathCustomTypeConverter customTypeConverter)
{
m_CustomerTypeConverters[customType] = customTypeConverter;
}
