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//
// System.Web.Compilation.AspComponentFoundry
//
// Authors:
// Gonzalo Paniagua Javier (gonzalo@ximian.com)
//
// (C) 2002,2003 Ximian, Inc (http://www.ximian.com)
//
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using System.Collections;
using System.IO;
using System.Reflection;
namespace System.Web.Compilation
{
internal class AspComponentFoundry
{
private Hashtable foundries;
public AspComponentFoundry ()
{
#if NET_2_0
foundries = new Hashtable (StringComparer.InvariantCultureIgnoreCase);
#else
foundries = new Hashtable (CaseInsensitiveHashCodeProvider.DefaultInvariant,
CaseInsensitiveComparer.DefaultInvariant);
#endif
Assembly sw = typeof (AspComponentFoundry).Assembly;
RegisterFoundry ("asp", sw, "System.Web.UI.WebControls");
RegisterFoundry ("", "object", typeof (System.Web.UI.ObjectTag));
}
public Type GetComponentType (string foundryName, string tag)
{
Foundry foundry = foundries [foundryName] as Foundry;
if (foundry == null)
return null;
return foundry.GetType (tag);
}
public void RegisterFoundry (string foundryName,
Assembly assembly,
string nameSpace)
{
AssemblyFoundry foundry = new AssemblyFoundry (assembly, nameSpace);
InternalRegister (foundryName, foundry);
}
public void RegisterFoundry (string foundryName,
string tagName,
Type type)
{
TagNameFoundry foundry = new TagNameFoundry (tagName, type);
InternalRegister (foundryName, foundry);
}
void InternalRegister (string foundryName, Foundry foundry)
{
object f = foundries [foundryName];
if (f is CompoundFoundry) {
((CompoundFoundry) f).Add (foundry);
} else if (f == null || (f is AssemblyFoundry && foundry is AssemblyFoundry)) {
// If more than 1 namespace/assembly specified, the last one is used.
foundries [foundryName] = foundry;
} else if (f != null) {
CompoundFoundry compound = new CompoundFoundry (foundryName);
compound.Add ((Foundry) f);
compound.Add (foundry);
foundries [foundryName] = compound;
}
}
public bool LookupFoundry (string foundryName)
{
return foundries.Contains (foundryName);
}
abstract class Foundry
{
public abstract Type GetType (string componentName);
}
class TagNameFoundry : Foundry
{
string tagName;
Type type;
public TagNameFoundry (string tagName, Type type)
{
this.tagName = tagName;
this.type = type;
}
public override Type GetType (string componentName)
{
if (0 != String.Compare (componentName, tagName, true))
return null;
return type;
}
public string TagName {
get { return tagName; }
}
}
class AssemblyFoundry : Foundry
{
string nameSpace;
Assembly assembly;
public AssemblyFoundry (Assembly assembly, string nameSpace)
{
this.assembly = assembly;
this.nameSpace = nameSpace;
}
public override Type GetType (string componentName)
{
return assembly.GetType (nameSpace + "." + componentName, true, true);
}
}
class CompoundFoundry : Foundry
{
AssemblyFoundry assemblyFoundry;
Hashtable tagnames;
string tagPrefix;
public CompoundFoundry (string tagPrefix)
{
this.tagPrefix = tagPrefix;
#if NET_2_0
tagnames = new Hashtable (StringComparer.InvariantCultureIgnoreCase);
#else
tagnames = new Hashtable (CaseInsensitiveHashCodeProvider.DefaultInvariant,
CaseInsensitiveComparer.DefaultInvariant);
#endif
}
public void Add (Foundry foundry)
{
if (foundry is AssemblyFoundry) {
assemblyFoundry = (AssemblyFoundry) foundry;
return;
}
TagNameFoundry tn = (TagNameFoundry) foundry;
string tagName = tn.TagName;
if (tagnames.Contains (tagName)) {
string msg = String.Format ("{0}:{1} already registered.", tagPrefix, tagName);
throw new ApplicationException (msg);
}
tagnames.Add (tagName, foundry);
}
public override Type GetType (string componentName)
{
Type type = null;
Foundry foundry = tagnames [componentName] as Foundry;
if (foundry != null)
return foundry.GetType (componentName);
if (assemblyFoundry != null) {
try {
type = assemblyFoundry.GetType (componentName);
return type;
} catch { }
}
string msg = String.Format ("Type {0} not registered for prefix {1}",
componentName, tagPrefix);
throw new ApplicationException (msg);
}
}
}
}
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