public static MiddlewareFunc Create(
string templateRootDirectoryName = null,
string templateFileExtension = null,
string layoutTemplateName = null,
Func <IDictionary <string, object>, object> layoutDataFunc = null)
{
templateRootDirectoryName = templateRootDirectoryName ?? "templates";
templateFileExtension = templateFileExtension ?? ".mustache";
layoutTemplateName = layoutTemplateName ?? "_layout";
var templateRootPath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, templateRootDirectoryName);
var configuration = new MustacheConfiguration
{
TemplateRootPath = templateRootPath,
TemplateFileExtension = templateFileExtension,
LayoutTemplateName = layoutTemplateName,
LayoutDataFunc = layoutDataFunc
};
return(next => environment =>
{
environment[_confiugrationKey] = configuration;
return next(environment);
});
}
static bool HasLayout(MustacheConfiguration configuration)
{
return(File.Exists(
Path.Combine(
configuration.TemplateRootPath,
String.Concat(configuration.LayoutTemplateName, configuration.TemplateFileExtension))));
}
static Task RenderTemplate(
MustacheConfiguration configuration,
Stream responseStream,
Template template,
object data,
bool hasLayout,
string bodyTemplateName = null)
{
return(Task.Run(() =>
{
using (var writer = new StreamWriter(responseStream, Encoding.UTF8, 1, true))
{
template.Render(
data,
writer,
name =>
{
if (hasLayout && name.Equals("body", StringComparison.OrdinalIgnoreCase))
{
return GetTemplate(configuration, bodyTemplateName);
}
return GetTemplate(configuration, name);
});
}
}));
}
public static MiddlewareFunc Create(
string templateRootDirectoryName = null,
string templateFileExtension = null,
string layoutTemplateName = null,
Func<IDictionary<string, object>, object> layoutDataFunc = null)
{
templateRootDirectoryName = templateRootDirectoryName ?? "templates";
templateFileExtension = templateFileExtension ?? ".mustache";
layoutTemplateName = layoutTemplateName ?? "_layout";
var templateRootPath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, templateRootDirectoryName);
var configuration = new MustacheConfiguration
{
TemplateRootPath = templateRootPath,
TemplateFileExtension = templateFileExtension,
LayoutTemplateName = layoutTemplateName,
LayoutDataFunc = layoutDataFunc
};
return next => environment =>
{
environment[_confiugrationKey] = configuration;
return next(environment);
};
}
static bool HasLayout(MustacheConfiguration configuration)
{
var assembly = Assembly.GetExecutingAssembly();
var resourceName = MakeEmbeddedTemplateResourceName(configuration.LayoutTemplateName);
return(assembly.GetManifestResourceNames().Contains(resourceName));
}
private static object GetLayoutData(
MustacheConfiguration configuration,
IDictionary<string, object> environment,
object data)
{
if (configuration.LayoutDataFunc == null)
return data;
var templateData = data.ToDictionary();
var layoutData = configuration.LayoutDataFunc(environment).ToDictionary();
return new[] { templateData, layoutData }
.SelectMany(x => x)
.ToDictionary(pair => pair.Key, pair => pair.Value);
}
private static object GetLayoutData(
MustacheConfiguration configuration,
IDictionary <string, object> environment,
object data)
{
if (configuration.LayoutDataFunc == null)
{
return(data);
}
var templateData = data.ToDictionary();
var layoutData = configuration.LayoutDataFunc(environment).ToDictionary();
return(new[] { templateData, layoutData }
.SelectMany(x => x)
.ToDictionary(pair => pair.Key, pair => pair.Value));
}
static Template GetTemplate(
MustacheConfiguration configuration,
string templateName)
{
var templatePath = Path.Combine(
configuration.TemplateRootPath,
String.Concat(templateName, configuration.TemplateFileExtension));
if (!File.Exists(templatePath))
{
throw new InvalidOperationException("Template path does not exist.");
}
var templateSource = File.ReadAllText(templatePath);
var template = new Template();
template.Load(new StringReader(templateSource));
return(template);
}
static bool HasLayout(MustacheConfiguration configuration)
{
var assembly = Assembly.GetExecutingAssembly();
var resourceName = MakeEmbeddedTemplateResourceName(configuration.LayoutTemplateName);
return assembly.GetManifestResourceNames().Contains(resourceName);
}
static Template GetTemplate(
MustacheConfiguration configuration,
string templateName)
{
var templatePath = Path.Combine(
configuration.TemplateRootPath,
String.Concat(templateName, configuration.TemplateFileExtension));
if (!File.Exists(templatePath))
throw new InvalidOperationException("Template path does not exist.");
var templateSource = File.ReadAllText(templatePath);
var template = new Template();
template.Load(new StringReader(templateSource));
return template;
}
static Task RenderTemplate(
MustacheConfiguration configuration,
Stream responseStream,
Template template,
object data,
bool hasLayout,
string bodyTemplateName = null)
{
return Task.Run(() =>
{
using (var writer = new StreamWriter(responseStream, Encoding.UTF8, 1, true))
{
template.Render(
data,
writer,
name =>
{
if (hasLayout && name.Equals("body", StringComparison.OrdinalIgnoreCase))
return GetTemplate(configuration, bodyTemplateName);
return GetTemplate(configuration, name);
});
}
});
}
static bool HasLayout(MustacheConfiguration configuration)
{
return File.Exists(
Path.Combine(
configuration.TemplateRootPath,
String.Concat(configuration.LayoutTemplateName, configuration.TemplateFileExtension)));
}
