private static GeneratorResults GenerateCode(RazorTemplateEntry entry)
{
var host = new RazorEngineHost(new CSharpRazorCodeLanguage());
host.DefaultBaseClass = string.Format("BtRetryService.Razor.RazorTemplating.RazorTemplateBase<{0}>", entry.ModelType.FullName);
host.DefaultNamespace = "BtRetryService";
host.DefaultClassName = entry.TemplateName + "Template";
host.NamespaceImports.Add("System");
host.NamespaceImports.Add("System.Data");
host.NamespaceImports.Add("System.Collections");
host.NamespaceImports.Add("System.Collections.Generic");
host.NamespaceImports.Add("System.Linq");
host.NamespaceImports.Add("System.Text");
host.NamespaceImports.Add("System.Text.RegularExpressions");
host.NamespaceImports.Add("System.Xml.Serialization");
host.NamespaceImports.Add("System.Web");
host.NamespaceImports.Add("System.Data.Entity");
using (TextReader reader = new StringReader(entry.TemplateString))
return(new RazorTemplateEngine(host).GenerateCode(reader));
}
public void RegisterTemplate <TModel>(string templateName, string templateString)
{
if (compiledTemplateAssembly != null)
{
throw new InvalidOperationException("May not register new templates after compiling.");
}
if (templateName == null)
{
throw new ArgumentNullException("templateName");
}
if (templateString == null)
{
throw new ArgumentNullException("templateString");
}
templateItems[TranslateKey(typeof(TModel), templateName)] = new RazorTemplateEntry()
{
ModelType = typeof(TModel),
TemplateString = templateString,
TemplateName = "Rzr" + Guid.NewGuid().ToString("N")
};
}
public string GenerateOutput <TModel>(TModel model, string templateName)
{
if (compiledTemplateAssembly == null)
{
throw new InvalidOperationException("Templates have not been compiled.");
}
if (templateName == null)
{
throw new ArgumentNullException("templateName");
}
RazorTemplateEntry entry = null;
try
{
entry = templateItems[TranslateKey(typeof(TModel), templateName)];
}
catch (KeyNotFoundException)
{
throw new ArgumentOutOfRangeException("No template has been registered under this model or name.");
}
var template = (RazorTemplateBase <TModel>)compiledTemplateAssembly.CreateInstance("BtRetryService." + entry.TemplateName + "Template");
if (template == null)
{
throw new InvalidOperationException("Couldn't generate template");
}
template.Model = model;
template.Execute();
var output = template.Buffer.ToString();
template.Buffer.Clear();
return(output);
}
