/// <summary> renders the value of the string literal If the properties allow, and the
/// string literal contains a $ or a # the literal is rendered against the
/// context Otherwise, the stringlit is returned.
///
/// </summary>
/// <param name="context">
/// </param>
/// <returns> result of the rendering.
/// </returns>
public override object Value(IInternalContextAdapter context)
{
if (interpolate)
{
try
{
/*
* now render against the real context
*/
StringWriter writer = new StringWriter();
nodeTree.Render(context, writer);
/*
* and return the result as a String
*/
string ret = writer.ToString();
/*
* if appropriate, remove the space from the end (dreaded <MORE>
* kludge part deux)
*/
if (!containsLineComment && ret.Length > 0)
{
return(ret.Substring(0, (ret.Length - 1) - (0)));
}
else
{
return(ret);
}
}
/**
* pass through application level runtime exceptions
*/
catch (System.IO.IOException e)
{
string msg = "Error in interpolating string literal";
log.Error(msg, e);
throw new VelocityException(msg, e);
}
catch (System.SystemException e)
{
throw e;
}
}
/*
* ok, either not allowed to Interpolate, there wasn't a ref or
* directive, or we failed, so just output the literal
*/
return(image);
}
/// <summary> renders the value of the string literal
/// If the properties allow, and the string literal contains a $ or a #
/// the literal is rendered against the context
/// Otherwise, the stringlit is returned.
/// </summary>
public override Object Value(IInternalContextAdapter context)
{
string result = image;
if (IsDictionaryString(result))
{
return(InterpolateDictionaryString(result, context));
}
else
{
if (interpolate)
{
try
{
TextWriter writer = new StringWriter();
nodeTree.Render(context, writer);
/*
* and return the result as a String
*/
String ret = writer.ToString();
/*
* remove the space from the end (dreaded <MORE> kludge)
*/
result = ret.Substring(0, (ret.Length - 1) - (0));
}
catch (Exception e)
{
runtimeServices.Error(string.Format("Error in interpolating string literal : {0}", e));
result = image;
}
}
return(result);
}
}