mono/mcs/class/System.Web/System.Web.Compilation/ThemeDirectoryCompiler.cs

//
// System.Web.UI.ThemeDirectoryCompiler
//
// Authors:
//   Chris Toshok ([email protected])
//
// (C) 2006-2009 Novell, Inc. (http://www.novell.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.Web;
using System.Web.Compilation;
using System.Web.Util;

namespace System.Web.UI
{
	sealed class ThemeDirectoryCompiler
	{
		public static Type GetCompiledType (string theme, HttpContext context)
		{
			string virtualPath = "~/App_Themes/" + theme + "/";
			string physicalPath = context.Request.MapPath (virtualPath);
			if (!Directory.Exists (physicalPath))
				throw new HttpException (String.Format ("Theme '{0}' cannot be found in the application or global theme directories.", theme));
			string [] skin_files = Directory.GetFiles (physicalPath, "*.skin");

			PageThemeParser ptp = new PageThemeParser (new VirtualPath (virtualPath), context);
			
			string[] css_files = Directory.GetFiles (physicalPath, "*.css");
			string[] css_urls = new string[css_files.Length];
			for (int i = 0; i < css_files.Length; i++) {
				ptp.AddDependency (css_files [i]);
				css_urls [i] = virtualPath + Path.GetFileName (css_files [i]);
			}

			Array.Sort (css_urls, StringComparer.OrdinalIgnoreCase);
			ptp.LinkedStyleSheets = css_urls;
			
			AspComponentFoundry shared_foundry = new AspComponentFoundry ();
			ptp.RootBuilder = new RootBuilder ();

			string skin_file_url;
			for (int i = 0; i < skin_files.Length; i ++) {
				skin_file_url = VirtualPathUtility.Combine (virtualPath, Path.GetFileName (skin_files [i]));
				PageThemeFileParser ptfp = new PageThemeFileParser (new VirtualPath (skin_file_url),
										    skin_files[i],
										    context);

				ptp.AddDependency (skin_files [i]);
				AspGenerator gen = new AspGenerator (ptfp);
				ptfp.RootBuilder.Foundry = shared_foundry;
				gen.Parse ();

				if (ptfp.RootBuilder.Children != null)
					foreach (object o in ptfp.RootBuilder.Children) {
						if (!(o is ControlBuilder))
							continue;
						ptp.RootBuilder.AppendSubBuilder ((ControlBuilder)o);
					}

				foreach (string ass in ptfp.Assemblies)
					if (!ptp.Assemblies.Contains (ass))
						ptp.AddAssemblyByFileName (ass);
			}

			PageThemeCompiler compiler = new PageThemeCompiler (ptp);
			return compiler.GetCompiledType ();
		}

		public static PageTheme GetCompiledInstance (string theme, HttpContext context)
		{
			Type t = ThemeDirectoryCompiler.GetCompiledType (theme, context);
			if (t == null)
				return null;

			PageTheme pt = (PageTheme)Activator.CreateInstance (t);
			return pt;
		}
	}
}