public Type CompileFile(RazorViewCompilationData view, IEnumerable <Assembly> assembliesToReference, bool includeDebugInformation = false, string debugFilePath = null)
{
var host = new RazorEngineHost(new CSharpRazorCodeLanguage());
foreach (var @namespace in this.razorConfiguration.GetDefaultNamespaces().Union(this.defaultNamespaces))
{
host.NamespaceImports.Add(@namespace);
}
var engine = new RazorTemplateEngine(host);
// host.EnableInstrumentation = includeDebugInformation;
// host.InstrumentedSourceFilePath = debugFilePath;
GeneratorResults razorResult;
using (var textReader = new StringReader(view.ViewContents))
razorResult = engine.GenerateCode(textReader, view.Name, "", debugFilePath);
var assemblies = new List <string>();
var appAssembly = GetApplicationAssembly();
assemblies.AddRange(this.defaultAssemblies);
assemblies.Add(GetAssemblyPath(appAssembly)); // current app
assemblies.AddRange(appAssembly.GetReferencedAssemblies().Select(GetAssemblyPath)); // assemblies referenced by current app
assemblies.AddRange(AppDomain.CurrentDomain.GetAssemblies().Where(a => !a.IsDynamic).Select(GetAssemblyPath)); // loaded assemblies (superset of above line?)
// assemblies.AddRange(AssemblyRepository.GetApplicationAssemblies().Select(GetAssemblyPath)); // assemblies in app's folder
// assemblies named by configuration
var assemblyNames = this.razorConfiguration.GetAssemblyNames();
// TODO: cant just load here, use assembly repos to check uniqueness
assemblies.AddRange(assemblyNames.Select(Assembly.Load).Select(GetAssemblyPath));
assemblies.AddRange(assembliesToReference.Select(GetAssemblyPath));
assemblies = assemblies.Distinct(p => Path.GetFileName(p).ToLowerInvariant()).ToList();
var compilerParameters = new CompilerParameters(assemblies.ToArray());
compilerParameters.IncludeDebugInformation = true;
compilerParameters.TempFiles.KeepFiles = false;
var codeProvider = new CSharpCodeProvider();
var compilationResults = codeProvider.CompileAssemblyFromDom(compilerParameters, razorResult.GeneratedCode);
if (compilationResults.Errors.HasErrors)
{
var errors = compilationResults.Errors.OfType <CompilerError>().Where(ce => !ce.IsWarning).Select(error => String.Format(
"[{0}] Line: {1} Column: {2} - {3}",
error.ErrorNumber,
error.Line,
error.Column,
error.ErrorText)).Aggregate((s1, s2) => s1 + "\n" + s2);
//TODO: Format Errors nicely
throw new ViewRenderException("Failed to compile view `" + view.Name + "`: " + errors);
}
var type = compilationResults.CompiledAssembly.GetType(view.Name);
if (type == null)
{
throw new ViewRenderException($"Could not find type `{view.Name}` in assembly `{compilationResults.CompiledAssembly.FullName}`");
}
//
// if (Activator.CreateInstance(type) as RazorViewPage == null)
// throw new ViewRenderException(string.Format("Could not construct `{0}` or it does not inherit from RazorViewPage", type));
return(type);
}
public void CompileAndMergeFiles(IEnumerable <RazorViewCompilationData> viewCompilationDetails, string outputAssemblyName)
{
var host = new RazorEngineHost(new CSharpRazorCodeLanguage());
foreach (var @namespace in this.razorConfiguration.GetDefaultNamespaces().Union(this.defaultNamespaces))
{
host.NamespaceImports.Add(@namespace);
}
var engine = new RazorTemplateEngine(host);
var razorResults = viewCompilationDetails
.Select(v =>
{
var stringReader = new StringReader(v.ViewContents);
return(engine.GenerateCode(stringReader, v.Name, "", v.Name));
})
.Select(r => r.GeneratedCode);
var assemblies = new List <string>();
var appAssembly = GetApplicationAssembly();
assemblies.AddRange(this.defaultAssemblies);
assemblies.AddRange(appAssembly.GetReferencedAssemblies().Select(GetAssemblyPath)); // assemblies referenced by current app
assemblies.AddRange(AppDomain.CurrentDomain.GetAssemblies().Where(a => !a.IsDynamic).Select(GetAssemblyPath)); // loaded assemblies (superset of above line?)
//.AddRange(AssemblyRepository.GetApplicationAssemblies().Select(GetAssemblyPath)); // assemblies in app's folder
// assemblies named by configuration
var configuredAssemblyNames = this.razorConfiguration.GetAssemblyNames();
// TODO: cant just load here, use assembly repos to check uniqueness
assemblies.AddRange(configuredAssemblyNames.Select(Assembly.Load).Select(GetAssemblyPath));
var assemblyNames = assemblies.Distinct(p => Path.GetFileName(p).ToLowerInvariant()).ToArray();
var outputAssemblyPath = Path.Combine(this.razorConfiguration.OutPath, outputAssemblyName + ".Views.Razor.dll");
var compilerParameters = new CompilerParameters(assemblyNames, outputAssemblyPath, true)
{
TempFiles = { KeepFiles = false }
};
var codeProvider = new CSharpCodeProvider();
var compilationResults = codeProvider.CompileAssemblyFromDom(compilerParameters, razorResults.ToArray());
if (compilationResults.Errors.HasErrors)
{
var errors = compilationResults.Errors
.OfType <CompilerError>()
.Where(ce => !ce.IsWarning)
.Select(error => $"[{error.ErrorNumber}] {error.FileName}: Line: {error.Line} Column: {error.Column} - {error.ErrorText}")
.Aggregate((s1, s2) => s1 + "\n" + s2);
//TODO: Format Errors nicely
throw new ViewRenderException("Failed to compile dll `" + outputAssemblyPath + "`: " + errors);
}
var assembly = Assembly.LoadFrom(outputAssemblyPath);
if (assembly == null)
{
throw new ViewRenderException("Error loading template assembly");
}
}
