CopyItem ITemplateEngine.GetCopyItem(TemplateContext context, TemplateProperties properties, string[] mimeTypes)
{
Initialise();
var copyItemEngine = GetCopyItemEngine(context);
return(CreateCopyItem(copyItemEngine, context, properties, mimeTypes));
}
private MethodInfo CreateMethodInfo(TemplateProperties properties)
{
// Parse the text and create an assembly from it.
var settings = GetSettings(properties);
var code = MergeParser.Parse(_text, _mimeType, Method, properties, settings);
return(MergeCompiler.Compile(code, _mimeType, Method, settings));
}
private static object[] GetParameters(TemplateProperties properties)
{
var parameters = new object[properties.Count];
var index = 0;
foreach (var property in properties)
{
parameters[index++] = property.Value;
}
return(parameters);
}
protected virtual string GetCopyText(TemplateContext context, TemplateProperties properties)
{
// Get the method info for this template.
if (_methodInfo == null)
{
lock (_methodLock)
{
if (_methodInfo == null)
{
_methodInfo = CreateMethodInfo(properties);
}
}
}
// Create the set of parameters and invoke.
return((string)_methodInfo.Invoke(null, GetParameters(properties)));
}
string ITextTemplateEngine.GetCopyText(TemplateContext context, TemplateProperties properties)
{
return(GetCopyText(context, properties));
}
CopyItem ITemplateEngine.GetCopyItem(CopyItemEngine copyItemEngine, TemplateContext context, TemplateProperties properties, string[] mimeTypes)
{
return(_firstTemplateEngine.GetCopyItem(copyItemEngine, context, properties, mimeTypes));
}
CopyItem ITemplateEngine.GetCopyItem(TemplateContext context, TemplateProperties properties, string[] mimeTypes)
{
return(_secondTemplateEngineNames.Contains(context.Definition)
? _secondTemplateEngine.GetCopyItem(context, properties, mimeTypes)
: _firstTemplateEngine.GetCopyItem(context, properties, mimeTypes));
}
public static string Parse(string text, string mimeType, string method, TemplateProperties properties, MergeSettings settings)
{
using (var stream = new MemoryStream())
{
using (var writer = new StreamWriter(stream, System.Text.Encoding.UTF8))
{
WriteUsings(writer, mimeType, settings.Usings);
// Class declaration.
writer.Write(@"
using System;
namespace LinkMe.Utility.Templates.Generated
{
public class Engine
{
");
// Fields.
WriteFields(writer, settings.Fields);
// Methods.
WriteMethods(writer, settings.Methods);
// The actual merge method.
writer.Write(@"
public static string ");
writer.Write(method);
writer.Write("(");
WriteParameters(writer, properties);
writer.Write(@")
{
using (MemoryStream stream = new MemoryStream())
{
using (StreamWriter writer = new StreamWriter(stream, System.Text.Encoding.UTF8))
{
");
writer.Write(@" // Start of template.
");
WriteText(writer, text, mimeType);
writer.Write(@" // End of template.
");
writer.Write(@"
writer.Flush();
stream.Position = 0;
using (StreamReader reader = new StreamReader(stream))
{
return reader.ReadToEnd();
}
}
}
}
}
}");
writer.Flush();
stream.Position = 0;
using (var reader = new StreamReader(stream))
{
return(reader.ReadToEnd());
}
}
}
}
CopyItem ITemplateEngine.GetCopyItem(CopyItemEngine copyItemEngine, TemplateContext context, TemplateProperties properties, string[] mimeTypes)
{
Initialise();
// Create an engine specifically for this template.
return(CreateCopyItem(copyItemEngine, context, properties, mimeTypes));
}
private static CopyItem CreateCopyItem(CopyItemEngine copyItemEngine, TemplateContext context, TemplateProperties properties, ICollection <string> mimeTypes)
{
var copyItem = new CopyItem(copyItemEngine.GetCopyText(context, properties));
foreach (var pair in GetViewEngines(copyItemEngine.ViewEngines, mimeTypes))
{
copyItem.ViewItems.Add(new ViewItem(pair.Key, pair.Value.GetCopyText(context, properties)));
}
return(copyItem);
}
