private LoadResult MapToLoadResult([NotNull] RazorTemplateLoadResult razorTemplateLoadResult)
{
if (razorTemplateLoadResult == null)
{
throw new ArgumentNullException(nameof(razorTemplateLoadResult));
}
var detail = string.Join("\n", razorTemplateLoadResult.Errors ?? new string[0]);
Error loadError;
switch (razorTemplateLoadResult.Status)
{
case RazorTemplateLoadResult.LoadResultStatus.Success:
return(LoadResult.CreateSuccessResult());
case RazorTemplateLoadResult.LoadResultStatus.CodeCompilationFailed:
loadError = new RazorTemplateError(RazorTemplateErrorCodes.CodeCompilationError, detail);
break;
case RazorTemplateLoadResult.LoadResultStatus.CodeGenerationFailed:
loadError = new RazorTemplateError(RazorTemplateErrorCodes.CodeGenerationError, detail);
break;
default:
loadError = new RazorTemplateError(RazorTemplateErrorCodes.GeneralRazorTemplateError, detail);
break;
}
return(LoadResult.CreateFailResult(loadError));
}
public LoadResult Load(Stream templateStream)
{
if (templateStream == null)
{
throw new ArgumentNullException(nameof(templateStream));
}
if (!templateStream.CanRead || !templateStream.CanSeek)
{
throw new ArgumentException("The supplied stream must be readable and seekable", nameof(templateStream));
}
if (_loadCalled)
{
throw new InvalidOperationException("Cannot call Load more than once");
}
_loadCalled = true;
_razorEngineRendererHost = new AppDomainIsolatedHost <RazorEngineRenderer>();
_encoding = TextEncodingDetector.GetEncoding(templateStream);
using (var reader = new StreamReader(templateStream))
{
_loadedTemplate = reader.ReadToEnd();
}
RazorTemplateLoadResult razorTemplateLoadResult;
try
{
_razorEngineRenderer = _razorEngineRendererHost.CreateHostedInstance();
razorTemplateLoadResult = _razorEngineRenderer.LoadTemplate(_loadedTemplate);
}
catch (TemplateParsingException ex)
{
razorTemplateLoadResult = new RazorTemplateLoadResult(
RazorTemplateLoadResult.LoadResultStatus.CodeGenerationFailed,
new[] { $"Code Generation Error: {ex.Message} (at line {ex.Line}, column {ex.Column}" });
}
catch (TemplateCompilationException ex)
{
razorTemplateLoadResult = new RazorTemplateLoadResult(
RazorTemplateLoadResult.LoadResultStatus.CodeCompilationFailed,
ex.CompilerErrors.Select(e => $"Code Compilation Error: {e.ErrorNumber}: {e.ErrorText} (at line {e.Line}, column {e.Column})").ToArray());
}
catch (Exception ex)
{
razorTemplateLoadResult = new RazorTemplateLoadResult(
RazorTemplateLoadResult.LoadResultStatus.CodeCompilationFailed,
new [] { $"Exception while compiling template: {ex}" });
}
return(MapToLoadResult(razorTemplateLoadResult));
}
