internal static InstantiateObject GetFastObjectCreationDelegate(Type t)
{
// Look for the factory class in the same assembly
Assembly a = t.Assembly;
string shortAssemblyName = Util.GetAssemblyShortName(t.Assembly);
shortAssemblyName = shortAssemblyName.ToLower(CultureInfo.InvariantCulture);
Type factoryType = a.GetType(factoryFullClassNameBase + Util.MakeValidTypeNameFromString(shortAssemblyName));
if (factoryType == null)
{
return(null);
}
string methodName = GetCreateMethodNameForType(t.FullName);
try {
return((InstantiateObject)Delegate.CreateDelegate(
typeof(InstantiateObject), factoryType, methodName));
}
catch {
return(null);
}
}
internal ObjectFactoryCodeDomTreeGenerator(string outputAssemblyName)
{
_codeCompileUnit = new CodeCompileUnit();
CodeNamespace sourceDataNamespace = new CodeNamespace(
BaseCodeDomTreeGenerator.internalAspNamespace);
_codeCompileUnit.Namespaces.Add(sourceDataNamespace);
// Make the class name vary based on the assembly (VSWhidbey 363214)
string factoryClassName = factoryClassNameBase +
Util.MakeValidTypeNameFromString(outputAssemblyName).ToLower(CultureInfo.InvariantCulture);
// Create a single class, in which a method will be added for each
// type that needs to be fast created in this assembly
_factoryClass = new CodeTypeDeclaration(factoryClassName);
// Make the class internal (VSWhidbey 363214)
_factoryClass.TypeAttributes &= ~TypeAttributes.Public;
// We generate a dummy line pragma, just so it will end with a '#line hidden'
// and prevent the following generated code from ever being treated as user
// code. We need to use this hack because CodeDOM doesn't allow simply generating
// a '#line hidden'. (VSWhidbey 199384)
CodeSnippetTypeMember dummySnippet = new CodeSnippetTypeMember(String.Empty);
#if !PLATFORM_UNIX /// Unix file system
// CORIOLISTODO: Unix file system
dummySnippet.LinePragma = new CodeLinePragma(@"c:\\dummy.txt", 1);
#else // !PLATFORM_UNIX
dummySnippet.LinePragma = new CodeLinePragma(@"/dummy.txt", 1);
#endif // !PLATFORM_UNIX
_factoryClass.Members.Add(dummySnippet);
// Add a private default ctor to make the class non-instantiatable (VSWhidbey 340829)
CodeConstructor ctor = new CodeConstructor();
ctor.Attributes |= MemberAttributes.Private;
_factoryClass.Members.Add(ctor);
sourceDataNamespace.Types.Add(_factoryClass);
}
private static string GetCreateMethodNameForType(string typeToCreate)
{
return("Create_" + Util.MakeValidTypeNameFromString(typeToCreate));
}