private static ITextTemplatingEngineHost HostFactory(TextTransformation transformation)
{
Type transformationType = transformation.GetType();
PropertyInfo hostProperty = transformationType.GetProperty("Host");
if (hostProperty == null)
{
throw new NotSupportedException(
"Unable to access the templating engine host. "
+ "Please make sure your template includes hostspecific=\"true\" "
+ "attribute in the <#@ template #> directive.");
}
return((ITextTemplatingEngineHost)hostProperty.GetValue(transformation, null));
}
internal TransformationContext(TextTransformation transformation, StringBuilder generationEnvironment)
{
if (transformation == null)
{
throw new ArgumentNullException("transformation");
}
if (generationEnvironment == null)
{
throw new ArgumentNullException("generationEnvironment");
}
PropertyInfo hostProperty = transformation.GetType().GetProperty("Host");
if (hostProperty == null)
{
throw new ArgumentException("TextTransformation does not have Host property");
}
this.Host = (ITextTemplatingEngineHost)hostProperty.GetValue(transformation);
if (this.Host == null)
{
throw new ArgumentException("TextTransformation.Host is null.");
}
this.Transformation = transformation;
// Create a special output file for the transformation output.
this.outputFiles.Add(new OutputFile(generationEnvironment));
this.provider = (ITransformationContextProvider)this.GetService(typeof(ITransformationContextProvider));
if (this.provider == null)
{
throw new InvalidOperationException("ITransformationContextProvider service is not available.");
}
this.InitializeParameters();
}
