public string Convert(string templateName, ViewData data)
{
string template = templateName;
if (template.StartsWith(templatePath))
template = template.Substring(templatePath.Length + 1);
SparkViewDescriptor descriptor = new SparkViewDescriptor()
.AddTemplate(template);
var view = (SparkTemplateBase)engine.CreateInstance(descriptor);
using (var writer = new StringWriter())
{
try
{
view.ViewData = data;
view.RenderView(writer);
}
finally
{
engine.ReleaseInstance(view);
}
return writer.ToString();
}
}
private void ResolveNamespaceTemplate(string outputPath, string templatePath, IEnumerable<Namespace> namespaces, ViewData data)
{
foreach (var ns in namespaces)
{
AddMatch(outputPath.Replace("!namespace", ns.Name), templatePath, data, ns);
}
}
private void ResolveDirectory(string head, string templatePath, IEnumerable<Namespace> namespaces, ViewData data, IList<string> tail)
{
if (!IsSpecial(head))
ResolveRecursive(tail[0], tail.ToTail(), templatePath, templatePath, namespaces, data.Clone());
else if (head == "!namespace")
ResolveNamespaceDirectory(head, tail, templatePath, namespaces, data);
else if (head == "!type")
ResolveTypeDirectory(head, tail, templatePath, namespaces, data);
}
private IList<TemplateMatch> ResolveRecursive(string head, IList<string> tail, string outputPath, string templatePath, IEnumerable<Namespace> namespaces, ViewData data)
{
if (Path.GetExtension(head) == ".spark")
ResolveTemplate(head, outputPath, templatePath, namespaces, data);
else
ResolveDirectory(head, templatePath, namespaces, data, tail);
return matches;
}
private void ResolveTemplate(string head, string outputPath, string templatePath, IEnumerable<Namespace> namespaces, ViewData data)
{
if (head.StartsWith("!namespace"))
ResolveNamespaceTemplate(outputPath, templatePath, namespaces, data);
else if (head.StartsWith("!type"))
ResolveTypeTemplate(outputPath, templatePath, namespaces, data);
else
AddMatch(outputPath, templatePath, data);
}
private void ResolveTypeTemplate(string outputPath, string templatePath, IEnumerable<Namespace> namespaces, ViewData data)
{
var foundTypes = from n in namespaces
from t in n.Types
select new { Type = t, Namespace = n };
foreach (var found in foundTypes)
{
string name = HACK_inNamespace ? found.Type.Name : found.Namespace.Name + "." + found.Type.Name;
AddMatch(outputPath.Replace("!type", name), templatePath, data, found.Namespace, found.Type);
}
}
public ViewData Clone()
{
var clone = new ViewData();
clone.Assemblies = new List<Assembly>(Assemblies);
clone.Namespaces = new List<Namespace>(Namespaces);
clone.Types = new List<DeclaredType>(Types);
clone.Namespace = Namespace;
clone.Type = Type;
return clone;
}
private void ResolveNamespaceDirectory(string head, IList<string> tail, string templatePath, IEnumerable<Namespace> namespaces, ViewData data)
{
HACK_inNamespace = false;
foreach (var ns in namespaces)
{
string nsPath = templatePath.Replace(head, ns.Name);
HACK_inNamespace = true;
var clone = data.Clone();
clone.Namespace = ns;
ResolveRecursive(tail[0], tail.ToTail(), nsPath, templatePath, new List<Namespace> { ns }, clone);
}
HACK_inNamespace = false;
}
private void AddMatch(string outputPath, string templatePath, ViewData data, Namespace ns, DeclaredType type)
{
var clone = data.Clone();
clone.Type = type;
AddMatch(outputPath, templatePath, clone, ns);
}
private void AddMatch(string outputPath, string templatePath, ViewData data, Namespace ns)
{
var clone = data.Clone();
clone.Namespace = ns;
AddMatch(outputPath, templatePath, clone);
}
private void AddMatch(string outputPath, string templatePath, ViewData data)
{
var path = outputPath.Replace(".spark", "");
var clone = data.Clone();
if (clone.Types.Count == 0)
clone.Types = (from n in data.Namespaces from t in n.Types select t).ToList();
matches.Add(new TemplateMatch(path, templatePath, clone));
}
private void ResolveTypeDirectory(string head, IList<string> tail, string templatePath, IEnumerable<Namespace> namespaces, ViewData data)
{
foreach (var found in from n in namespaces
from t in n.Types
select new { Type = t, Namespace = n })
{
string typePath = templatePath.Replace(head, found.Namespace.Name + "." + found.Type.Name);
var clone = data.Clone();
clone.Namespace = found.Namespace;
clone.Type = found.Type;
ResolveRecursive(tail[0], tail.ToTail(), typePath, templatePath, new List<Namespace> { found.Namespace }, clone);
}
}
