private static string BuildErrorMessage(EmitResult result, ViewLocationResult viewLocationResult, string sourceCode)
{
var failures = result.Diagnostics
.Where(diagnostic => diagnostic.IsWarningAsError || diagnostic.Severity == DiagnosticSeverity.Error)
.ToArray();
var fullTemplateName = viewLocationResult.Location + "/" + viewLocationResult.Name + "." + viewLocationResult.Extension;
var templateLines = GetViewBodyLines(viewLocationResult);
var compilationSource = GetCompilationSource(sourceCode);
var errorMessages = BuildErrorMessages(failures, templateLines, compilationSource);
var lineNumber = 1;
var errorDetails = string.Format(
"Error compiling template: <strong>{0}</strong><br/><br/>Errors:<br/>{1}<br/><br/>Details:<br/>{2}<br/><br/>Compilation Source:<br/><pre><code>{3}</code></pre>",
fullTemplateName,
errorMessages,
templateLines.Aggregate((s1, s2) => s1 + "<br/>" + s2),
compilationSource.Aggregate((s1, s2) => s1 + "<br/>Line " + lineNumber++ + ":\t" + s2));
return errorDetails;
}
/// <summary>
/// Renders the view.
/// </summary>
/// <param name="viewLocationResult">A <see cref="ViewLocationResult"/> instance, containing information on how to get the view template.</param>
/// <param name="model">The model that should be passed into the view</param>
/// <param name="renderContext">The render context.</param>
/// <param name="isPartial">Used by HtmlHelpers to declare a view as partial</param>
/// <returns>A response.</returns>
public Response RenderView(ViewLocationResult viewLocationResult, dynamic model, IRenderContext renderContext, bool isPartial)
{
Assembly referencingAssembly = null;
var response = new HtmlResponse();
response.Contents = stream =>
{
var writer =
new StreamWriter(stream);
var view = this.GetViewInstance(viewLocationResult, renderContext, model);
view.ExecuteView(null, null);
var body = view.Body;
var sectionContents = view.SectionContents;
var layout = view.HasLayout ? view.Layout : GetViewStartLayout(model, renderContext, referencingAssembly, isPartial);
var root = string.IsNullOrWhiteSpace(layout);
while (!root)
{
var viewLocation =
renderContext.LocateView(layout, model);
if (viewLocation == null)
{
throw new InvalidOperationException("Unable to locate layout: " + layout);
}
view = this.GetViewInstance(viewLocation, renderContext, model);
view.ExecuteView(body, sectionContents);
body = view.Body;
sectionContents = view.SectionContents;
layout = view.HasLayout ? view.Layout : GetViewStartLayout(model, renderContext, referencingAssembly, isPartial);
root = !view.HasLayout;
}
writer.Write(body);
writer.Flush();
};
return response;
}
/// <summary>
/// Renders the view.
/// </summary>
/// <param name="viewLocationResult">A <see cref="ViewLocationResult"/> instance, containing information on how to get the view template.</param>
/// <param name="model">The model that should be passed into the view</param>
/// <param name="renderContext">The render context.</param>
/// <returns>A response.</returns>
public Response RenderView(ViewLocationResult viewLocationResult, dynamic model, IRenderContext renderContext)
{
Assembly referencingAssembly = null;
if (model != null)
{
var underlyingSystemType = model.GetType().UnderlyingSystemType;
if (underlyingSystemType != null)
{
referencingAssembly = Assembly.GetAssembly(underlyingSystemType);
}
}
var response = new HtmlResponse();
response.Contents = stream =>
{
var writer = new StreamWriter(stream);
var view = this.GetViewInstance(viewLocationResult, renderContext, referencingAssembly, model);
view.ExecuteView(null, null);
var body = view.Body;
var sectionContents = view.SectionContents;
var root = !view.HasLayout;
var layout = view.Layout;
while (!root)
{
view = this.GetViewInstance(renderContext.LocateView(layout, model), renderContext, referencingAssembly, model);
view.ExecuteView(body, sectionContents);
body = view.Body;
sectionContents = view.SectionContents;
root = !view.HasLayout;
layout = view.Layout;
}
writer.Write(body);
writer.Flush();
};
return response;
}
private static string BuildErrorMessage(EmitResult result, ViewLocationResult viewLocationResult, string sourceCode)
{
var failures = result.Diagnostics
.Where(diagnostic => diagnostic.IsWarningAsError || diagnostic.Severity == DiagnosticSeverity.Error)
.ToArray();
var fullTemplateName = viewLocationResult.Location + "/" + viewLocationResult.Name + "." + viewLocationResult.Extension;
var templateLines = GetViewBodyLines(viewLocationResult);
var compilationSource = GetCompilationSource(sourceCode);
var errorMessages = BuildErrorMessages(failures, templateLines, compilationSource);
var lineNumber = 1;
var errorDetails = string.Format(
"Template: <strong>{0}</strong><br/><br/>Errors:<ul>{1}</ul>Details:<br/><pre>{2}</pre><br/>Compilation Source:<br/><pre><code>{3}</code></pre>",
fullTemplateName,
errorMessages,
templateLines.Aggregate((s1, s2) => s1 + "<br/>" + s2),
compilationSource.Aggregate((s1, s2) => s1 + "<br/><span class='lineNumber'>Line " + lineNumber++ + ":</span>\t" + s2.Replace("<", ">").Replace(">", "<")));
return(errorDetails);
}
private Func<INancyRazorView> GenerateRazorViewFactory(IRazorViewRenderer renderer, GeneratorResults generatorResults, Type passedModelType, ViewLocationResult viewLocationResult)
{
var modelType = GetModelTypeFromGeneratedCode(generatorResults, passedModelType);
var sourceCode = string.Empty;
if (this.razorConfiguration != null)
{
if (this.razorConfiguration.AutoIncludeModelNamespace)
{
AddModelNamespace(generatorResults, modelType);
}
}
using (var writer = new StringWriter())
{
renderer.Provider.GenerateCodeFromCompileUnit(generatorResults.GeneratedCode, writer, new CodeGeneratorOptions());
sourceCode = writer.ToString();
}
var compilation = CSharpCompilation.Create(
assemblyName: string.Format("Temp_{0}.dll", Guid.NewGuid().ToString("N")),
syntaxTrees: new[] { CSharpSyntaxTree.ParseText(sourceCode) },
references: this.GetMetadataReferences().Value,
options: new CSharpCompilationOptions(OutputKind.DynamicallyLinkedLibrary));
using (var ms = new MemoryStream())
{
var result = compilation.Emit(ms);
if (!result.Success)
{
return () => new NancyRazorErrorView(BuildErrorMessage(result, viewLocationResult, sourceCode), this.traceConfiguration);
}
ms.Seek(0, SeekOrigin.Begin);
var viewAssembly = Assembly.Load(ms.ToArray());
return () => (INancyRazorView) Activator.CreateInstance(viewAssembly.GetType("RazorOutput.RazorView"));
}
}
private Func<INancyRazorView> GetCompiledViewFactory(TextReader reader, Type passedModelType, ViewLocationResult viewLocationResult)
{
var engine = new RazorTemplateEngine(this.viewRenderer.Host);
var razorResult = engine.GenerateCode(reader, null, null, "roo");
var viewFactory = this.GenerateRazorViewFactory(this.viewRenderer, razorResult, passedModelType, viewLocationResult);
return viewFactory;
}
private NancyRazorViewBase GetViewInstance(ViewLocationResult viewLocationResult, IRenderContext renderContext, Assembly referencingAssembly, dynamic model)
{
var view = this.GetOrCompileView(viewLocationResult, renderContext, referencingAssembly);
view.Initialize(this, renderContext, model);
return view;
}
private INancyRazorView GetOrCompileView(ViewLocationResult viewLocationResult, IRenderContext renderContext, Assembly referencingAssembly, Type passedModelType)
{
var viewFactory = renderContext.ViewCache.GetOrAdd(
viewLocationResult,
x =>
{
using (var reader = x.Contents.Invoke())
return this.GetCompiledViewFactory(x.Extension, reader, referencingAssembly, passedModelType, viewLocationResult);
});
var view = viewFactory.Invoke();
return view;
}
private Func<INancyRazorView> GenerateRazorViewFactory(IRazorViewRenderer viewRenderer, GeneratorResults razorResult, Assembly referencingAssembly, Type passedModelType, ViewLocationResult viewLocationResult)
{
var outputAssemblyName =
Path.Combine(Path.GetTempPath(), String.Format("Temp_{0}.dll", Guid.NewGuid().ToString("N")));
var modelType =
FindModelType(razorResult.Document, passedModelType, viewRenderer.ModelCodeGenerator);
var assemblies = new List<string>
{
GetAssemblyPath(typeof(System.Runtime.CompilerServices.CallSite)),
GetAssemblyPath(typeof(IHtmlString)),
GetAssemblyPath(Assembly.GetExecutingAssembly()),
GetAssemblyPath(modelType)
};
assemblies.AddRange(AppDomainAssemblyTypeScanner.Assemblies.Select(GetAssemblyPath));
if (referencingAssembly != null)
{
assemblies.Add(GetAssemblyPath(referencingAssembly));
}
if (this.razorConfiguration != null)
{
var assemblyNames = this.razorConfiguration.GetAssemblyNames();
if (assemblyNames != null)
{
assemblies.AddRange(assemblyNames.Select(Assembly.Load).Select(GetAssemblyPath));
}
if (this.razorConfiguration.AutoIncludeModelNamespace)
{
AddModelNamespace(razorResult, modelType);
}
}
assemblies = assemblies
.Union(viewRenderer.Assemblies)
.ToList();
var compilerParameters =
new CompilerParameters(assemblies.ToArray(), outputAssemblyName);
CompilerResults results;
lock (this.compileLock)
{
results = viewRenderer.Provider.CompileAssemblyFromDom(compilerParameters, razorResult.GeneratedCode);
}
if (results.Errors.HasErrors)
{
var output = new string[results.Output.Count];
results.Output.CopyTo(output, 0);
var fullTemplateName = viewLocationResult.Location + "/" + viewLocationResult.Name + "." + viewLocationResult.Extension;
var templateLines = GetViewBodyLines(viewLocationResult);
var errors = results.Errors.OfType<CompilerError>().Where(ce => !ce.IsWarning).ToArray();
var errorMessages = BuildErrorMessages(errors);
var compilationSource = this.GetCompilationSource(viewRenderer.Provider, razorResult.GeneratedCode);
MarkErrorLines(errors, templateLines);
var lineNumber = 1;
var errorDetails = string.Format(
"Error compiling template: <strong>{0}</strong><br/><br/>Errors:<br/>{1}<br/><br/>Details:<br/>{2}<br/><br/>Compilation Source:<br/><pre><code>{3}</code></pre>",
fullTemplateName,
errorMessages,
templateLines.Aggregate((s1, s2) => s1 + "<br/>" + s2),
compilationSource.Aggregate((s1, s2) => s1 + "<br/>Line " + lineNumber++ + ":\t" + s2));
return () => new NancyRazorErrorView(errorDetails);
}
var assembly = Assembly.LoadFrom(outputAssemblyName);
if (assembly == null)
{
const string error = "Error loading template assembly";
return () => new NancyRazorErrorView(error);
}
var type = assembly.GetType("RazorOutput.RazorView");
if (type == null)
{
var error = String.Format("Could not find type RazorOutput.Template in assembly {0}", assembly.FullName);
return () => new NancyRazorErrorView(error);
}
if (Activator.CreateInstance(type) as INancyRazorView == null)
{
const string error = "Could not construct RazorOutput.Template or it does not inherit from INancyRazorView";
return () => new NancyRazorErrorView(error);
}
return () => (INancyRazorView)Activator.CreateInstance(type);
}
/// <summary>
/// Renders the view.
/// </summary>
/// <param name="viewLocationResult">A <see cref="ViewLocationResult"/> instance, containing information on how to get the view template.</param>
/// <param name="model">The model that should be passed into the view</param>
/// <param name="renderContext">The render context.</param>
/// <returns>A response.</returns>
public Response RenderView(ViewLocationResult viewLocationResult, dynamic model, IRenderContext renderContext)
{
return RenderView(viewLocationResult, model, renderContext, false);
}
/// <summary>
/// initializes a new instance of the <see cref="RazorLayoutNotFoundException"/>
/// </summary>
/// <param name="layoutName">The name of the layout that could not be found.</param>
/// <param name="innerViewLocationResult">The location of the view or layout that the missing layout should wrap.</param>
public RazorLayoutNotFoundException(string layoutName, ViewLocationResult innerViewLocationResult)
: base(String.Format("The view '{0} {1}' referenced layout '{2}' but it could not be found.", innerViewLocationResult.Location, innerViewLocationResult.Name, layoutName))
{
}
private Func <INancyRazorView> GenerateRazorViewFactory(IRazorViewRenderer viewRenderer, GeneratorResults razorResult, Assembly referencingAssembly, Type passedModelType, ViewLocationResult viewLocationResult)
{
var outputAssemblyName =
Path.Combine(Path.GetTempPath(), String.Format("Temp_{0}.dll", Guid.NewGuid().ToString("N")));
var modelType = (Type)razorResult.GeneratedCode.Namespaces[0].Types[0].UserData["ModelType"]
?? passedModelType
?? typeof(object);
var assemblies = new List <string>
{
GetAssemblyPath(typeof(CallSite)),
GetAssemblyPath(typeof(IHtmlString)),
GetAssemblyPath(Assembly.GetExecutingAssembly()),
GetAssemblyPath(modelType)
};
assemblies.AddRange(this.assemblyCatalog.GetAssemblies().Select(GetAssemblyPath));
if (referencingAssembly != null)
{
assemblies.Add(GetAssemblyPath(referencingAssembly));
}
if (this.razorConfiguration != null)
{
var assemblyNames = this.razorConfiguration.GetAssemblyNames();
if (assemblyNames != null)
{
assemblies.AddRange(assemblyNames.Select(Assembly.Load).Select(GetAssemblyPath));
}
if (this.razorConfiguration.AutoIncludeModelNamespace)
{
AddModelNamespace(razorResult, modelType);
}
}
assemblies = assemblies
.Union(viewRenderer.Assemblies)
.ToList();
var compilerParameters =
new CompilerParameters(assemblies.ToArray(), outputAssemblyName);
CompilerResults results;
lock (this.compileLock)
{
results = viewRenderer.Provider.CompileAssemblyFromDom(compilerParameters, razorResult.GeneratedCode);
}
if (results.Errors.HasErrors)
{
var output = new string[results.Output.Count];
results.Output.CopyTo(output, 0);
var fullTemplateName = viewLocationResult.Location + "/" + viewLocationResult.Name + "." + viewLocationResult.Extension;
var templateLines = GetViewBodyLines(viewLocationResult);
var errors = results.Errors.OfType <CompilerError>().Where(ce => !ce.IsWarning).ToArray();
var errorMessages = BuildErrorMessages(errors);
var compilationSource = this.GetCompilationSource(viewRenderer.Provider, razorResult.GeneratedCode);
MarkErrorLines(errors, templateLines);
var lineNumber = 1;
var errorDetails = string.Format(
"Error compiling template: <strong>{0}</strong><br/><br/>Errors:<br/>{1}<br/><br/>Details:<br/>{2}<br/><br/>Compilation Source:<br/><pre><code>{3}</code></pre>",
fullTemplateName,
errorMessages,
templateLines.Aggregate((s1, s2) => s1 + "<br/>" + s2),
compilationSource.Aggregate((s1, s2) => s1 + "<br/>Line " + lineNumber++ + ":\t" + s2));
return(() => new NancyRazorErrorView(errorDetails, this.traceConfiguration));
}
var assembly = Assembly.LoadFrom(outputAssemblyName);
if (assembly == null)
{
const string error = "Error loading template assembly";
return(() => new NancyRazorErrorView(error, this.traceConfiguration));
}
var type = assembly.GetType("RazorOutput.RazorView");
if (type == null)
{
var error = String.Format("Could not find type RazorOutput.Template in assembly {0}", assembly.FullName);
return(() => new NancyRazorErrorView(error, this.traceConfiguration));
}
if (Activator.CreateInstance(type) as INancyRazorView == null)
{
const string error = "Could not construct RazorOutput.Template or it does not inherit from INancyRazorView";
return(() => new NancyRazorErrorView(error, this.traceConfiguration));
}
return(() => (INancyRazorView)Activator.CreateInstance(type));
}
private Func<NancyRazorViewBase> GetCompiledViewFactory(string extension, TextReader reader, Assembly referencingAssembly, Type passedModelType, ViewLocationResult viewLocationResult)
{
var renderer = this.viewRenderers.First(x => x.Extension.Equals(extension, StringComparison.OrdinalIgnoreCase));
var engine = this.GetRazorTemplateEngine(renderer.Host);
var razorResult = engine.GenerateCode(reader, sourceFileName: "placeholder");
var viewFactory = this.GenerateRazorViewFactory(renderer.Provider, razorResult, referencingAssembly, renderer.Assemblies, passedModelType, viewLocationResult);
return viewFactory;
}
private Func <INancyRazorView> GenerateRazorViewFactory(IRazorViewRenderer renderer, GeneratorResults generatorResults, Type passedModelType, ViewLocationResult viewLocationResult)
{
var modelType = GetModelTypeFromGeneratedCode(generatorResults, passedModelType);
var sourceCode = string.Empty;
if (this.razorConfiguration != null)
{
if (this.razorConfiguration.AutoIncludeModelNamespace)
{
AddModelNamespace(generatorResults, modelType);
}
}
using (var writer = new StringWriter())
{
renderer.Provider.GenerateCodeFromCompileUnit(generatorResults.GeneratedCode, writer, new CodeGeneratorOptions());
sourceCode = writer.ToString();
}
var compilation = CSharpCompilation.Create(
assemblyName: string.Format("Temp_{0}.dll", Guid.NewGuid().ToString("N")),
syntaxTrees: new[] { CSharpSyntaxTree.ParseText(sourceCode) },
references: this.GetMetadataReferences().Value,
options: new CSharpCompilationOptions(OutputKind.DynamicallyLinkedLibrary));
using (var ms = new MemoryStream())
{
var result = compilation.Emit(ms);
if (!result.Success)
{
return(() => new NancyRazorErrorView(BuildErrorMessage(result, viewLocationResult, sourceCode), this.traceConfiguration));
}
ms.Seek(0, SeekOrigin.Begin);
var viewAssembly = Assembly.Load(ms.ToArray());
return(() => (INancyRazorView)Activator.CreateInstance(viewAssembly.GetType("RazorOutput.RazorView")));
}
}
private Func <INancyRazorView> GetCompiledViewFactory(TextReader reader, Type passedModelType, ViewLocationResult viewLocationResult)
{
var engine = new RazorTemplateEngine(this.viewRenderer.Host);
var razorResult = engine.GenerateCode(reader, null, null, "roo");
var viewFactory = this.GenerateRazorViewFactory(this.viewRenderer, razorResult, passedModelType, viewLocationResult);
return(viewFactory);
}
/// <summary>
/// Renders the view.
/// </summary>
/// <param name="viewLocationResult">A <see cref="ViewLocationResult"/> instance, containing information on how to get the view template.</param>
/// <param name="model">The model that should be passed into the view</param>
/// <param name="renderContext">The render context.</param>
/// <returns>A response.</returns>
public Response RenderView(ViewLocationResult viewLocationResult, dynamic model, IRenderContext renderContext)
{
Assembly referencingAssembly = null;
if (model != null)
{
var underlyingSystemType = model.GetType().UnderlyingSystemType;
if (underlyingSystemType != null)
{
referencingAssembly = Assembly.GetAssembly(underlyingSystemType);
}
}
var response = new HtmlResponse();
response.Contents = stream =>
{
var writer =
new StreamWriter(stream);
var view =
this.GetViewInstance(viewLocationResult, renderContext, referencingAssembly, model);
view.ExecuteView(null, null);
var body = view.Body;
var sectionContents = view.SectionContents;
var layout = view.HasLayout ?
view.Layout :
GetViewStartLayout(model, renderContext, referencingAssembly);
var root =
string.IsNullOrWhiteSpace(layout);
while (!root)
{
var innerLocationResult = viewLocationResult;
viewLocationResult = renderContext.LocateView(layout, model);
if (viewLocationResult == null)
{
throw new RazorLayoutNotFoundException(layout, innerLocationResult);
}
view = this.GetViewInstance(viewLocationResult, renderContext, referencingAssembly, model);
view.ExecuteView(body, sectionContents);
body = view.Body;
sectionContents = view.SectionContents;
layout = view.HasLayout ?
view.Layout :
GetViewStartLayout(model, renderContext, referencingAssembly);
root = !view.HasLayout;
}
writer.Write(body);
writer.Flush();
};
return response;
}
private NancyRazorViewBase GetOrCompileView(ViewLocationResult viewLocationResult, IRenderContext renderContext, Assembly referencingAssembly, Type passedModelType)
{
var viewFactory = renderContext.ViewCache.GetOrAdd(
viewLocationResult,
x => this.GetCompiledViewFactory(x.Extension, x.Contents.Invoke(), referencingAssembly, passedModelType));
var view = viewFactory.Invoke();
view.Code = string.Empty;
return view;
}
private Func <INancyRazorView> GetCompiledViewFactory(string extension, TextReader reader, Assembly referencingAssembly, Type passedModelType, ViewLocationResult viewLocationResult)
{
var renderer = this.viewRenderers.First(x => x.Extension.Equals(extension, StringComparison.OrdinalIgnoreCase));
var engine = new RazorTemplateEngine(renderer.Host);
var razorResult = engine.GenerateCode(reader, null, null, "roo");
var viewFactory = this.GenerateRazorViewFactory(renderer, razorResult, referencingAssembly, passedModelType, viewLocationResult);
return(viewFactory);
}
private static string[] GetViewBodyLines(ViewLocationResult viewLocationResult)
{
var templateLines = new List<string>();
using (var templateReader = viewLocationResult.Contents.Invoke())
{
var currentLine = templateReader.ReadLine();
while (currentLine != null)
{
templateLines.Add(Helpers.HttpUtility.HtmlEncode(currentLine));
currentLine = templateReader.ReadLine();
}
}
return templateLines.ToArray();
}
/// <summary>
/// Renders the view.
/// </summary>
/// <param name="viewLocationResult">A <see cref="ViewLocationResult"/> instance, containing information on how to get the view template.</param>
/// <param name="model">The model that should be passed into the view</param>
/// <param name="renderContext">The render context.</param>
/// <returns>A response.</returns>
public Response RenderView(ViewLocationResult viewLocationResult, dynamic model, IRenderContext renderContext)
{
return(RenderView(viewLocationResult, model, renderContext, false));
}
private Func<INancyRazorView> GetCompiledViewFactory(string extension, TextReader reader, Assembly referencingAssembly, Type passedModelType, ViewLocationResult viewLocationResult)
{
var renderer = this.viewRenderers.First(x => x.Extension.Equals(extension, StringComparison.OrdinalIgnoreCase));
var engine = new RazorTemplateEngine(renderer.Host);
var razorResult = engine.GenerateCode(reader, null, null, "roo");
var viewFactory = this.GenerateRazorViewFactory(renderer, razorResult, referencingAssembly, passedModelType, viewLocationResult);
return viewFactory;
}
private Func <NancyRazorViewBase> GetCompiledViewFactory(string extension, TextReader reader, Assembly referencingAssembly, Type passedModelType, ViewLocationResult viewLocationResult)
{
var renderer = this.viewRenderers.First(x => x.Extension.Equals(extension, StringComparison.OrdinalIgnoreCase));
var engine = this.GetRazorTemplateEngine(renderer.Host);
var razorResult = engine.GenerateCode(reader, sourceFileName: "placeholder");
var viewFactory = this.GenerateRazorViewFactory(renderer.Provider, razorResult, referencingAssembly, renderer.Assemblies, passedModelType, viewLocationResult);
return(viewFactory);
}
private INancyRazorView GetViewInstance(ViewLocationResult viewLocationResult, IRenderContext renderContext, Assembly referencingAssembly, dynamic model)
{
var modelType = (model == null) ? typeof(object) : model.GetType();
var view =
this.GetOrCompileView(viewLocationResult, renderContext, referencingAssembly, modelType);
view.Initialize(this, renderContext, model);
return view;
}
private Func <NancyRazorViewBase> GenerateRazorViewFactory(CodeDomProvider codeProvider, GeneratorResults razorResult, Assembly referencingAssembly, IEnumerable <string> rendererSpecificAssemblies, Type passedModelType, ViewLocationResult viewLocationResult)
{
var outputAssemblyName = Path.Combine(Path.GetTempPath(), String.Format("Temp_{0}.dll", Guid.NewGuid().ToString("N")));
var modelType = FindModelType(razorResult.Document, passedModelType);
var assemblies = new List <string>
{
GetAssemblyPath(typeof(System.Runtime.CompilerServices.CallSite)),
GetAssemblyPath(typeof(IHtmlString)),
GetAssemblyPath(Assembly.GetExecutingAssembly()),
GetAssemblyPath(modelType)
};
if (referencingAssembly != null)
{
assemblies.Add(GetAssemblyPath(referencingAssembly));
}
assemblies = assemblies
.Union(rendererSpecificAssemblies)
.ToList();
if (this.razorConfiguration != null)
{
var assemblyNames = this.razorConfiguration.GetAssemblyNames();
if (assemblyNames != null)
{
assemblies.AddRange(assemblyNames.Select(Assembly.Load).Select(GetAssemblyPath));
}
if (this.razorConfiguration.AutoIncludeModelNamespace)
{
AddModelNamespace(razorResult, modelType);
}
}
var compilerParameters = new CompilerParameters(assemblies.ToArray(), outputAssemblyName);
CompilerResults results;
lock (this.compileLock)
{
results = codeProvider.CompileAssemblyFromDom(compilerParameters, razorResult.GeneratedCode);
}
if (results.Errors.HasErrors)
{
var fullTemplateName = viewLocationResult.Location + "/" + viewLocationResult.Name + "." + viewLocationResult.Extension;
var templateLines = GetViewBodyLines(viewLocationResult);
var errors = results.Errors.OfType <CompilerError>().Where(ce => !ce.IsWarning).ToArray();
var errorMessages = BuildErrorMessages(errors);
MarkErrorLines(errors, templateLines);
var errorDetails = string.Format(
"Error compiling template: <strong>{0}</strong><br/><br/>Errors:<br/>{1}<br/><br/>Details:<br/>{2}",
fullTemplateName,
errorMessages,
templateLines.Aggregate((s1, s2) => s1 + "<br/>" + s2));
return(() => new NancyRazorErrorView(errorDetails));
}
var assembly = Assembly.LoadFrom(outputAssemblyName);
if (assembly == null)
{
const string error = "Error loading template assembly";
return(() => new NancyRazorErrorView(error));
}
var type = assembly.GetType("RazorOutput.RazorView");
if (type == null)
{
var error = String.Format("Could not find type RazorOutput.Template in assembly {0}", assembly.FullName);
return(() => new NancyRazorErrorView(error));
}
if (Activator.CreateInstance(type) as NancyRazorViewBase == null)
{
const string error = "Could not construct RazorOutput.Template or it does not inherit from RazorViewBase";
return(() => new NancyRazorErrorView(error));
}
return(() => (NancyRazorViewBase)Activator.CreateInstance(type));
}