//
// System.Web.UI.TemplateControlParser
//
// Authors:
// Gonzalo Paniagua Javier (gonzalo@ximian.com)
//
// (C) 2002 Ximian, Inc (http://www.ximian.com)
// Copyright (C) 2005-2010 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.Collections;
using System.Globalization;
using System.IO;
using System.Reflection;
using System.Security.Permissions;
using System.Web.Compilation;
using System.Web.Configuration;
using System.Web.Util;
namespace System.Web.UI{
// CAS
[AspNetHostingPermission (SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
[AspNetHostingPermission (SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.Minimal)]
public abstract class TemplateControlParser : BaseTemplateParser
{
bool autoEventWireup = true;
bool enableViewState = true;
CompilationMode compilationMode = CompilationMode.Always;
TextReader reader;
protected TemplateControlParser ()
{
LoadConfigDefaults ();
}
internal override void LoadConfigDefaults ()
{
base.LoadConfigDefaults ();
PagesSection ps = PagesConfig;
autoEventWireup = ps.AutoEventWireup;
enableViewState = ps.EnableViewState;
compilationMode = ps.CompilationMode;
}
internal override void ProcessMainAttributes (IDictionary atts)
{
autoEventWireup = GetBool (atts, "AutoEventWireup", autoEventWireup);
enableViewState = GetBool (atts, "EnableViewState", enableViewState);
string cmode = GetString (atts, "CompilationMode", compilationMode.ToString ());
if (!String.IsNullOrEmpty (cmode)) {
if (String.Compare (cmode, "always", StringComparison.InvariantCultureIgnoreCase) == 0)
compilationMode = CompilationMode.Always;
else if (String.Compare (cmode, "auto", StringComparison.InvariantCultureIgnoreCase) == 0)
compilationMode = CompilationMode.Auto;
else if (String.Compare (cmode, "never", StringComparison.InvariantCultureIgnoreCase) == 0)
compilationMode = CompilationMode.Never;
else
ThrowParseException ("Invalid value of the CompilationMode attribute");
}
atts.Remove ("TargetSchema"); // Ignored
base.ProcessMainAttributes (atts);
}
internal object GetCompiledInstance ()
{
Type type = CompileIntoType ();
if (type == null)
return null;
object ctrl = Activator.CreateInstance (type);
if (ctrl == null)
return null;
HandleOptions (ctrl);
return ctrl;
}
internal override void AddDirective (string directive, IDictionary atts)
{
int cmp = String.Compare ("Register", directive, true, Helpers.InvariantCulture);
if (cmp == 0) {
string tagprefix = GetString (atts, "TagPrefix", null);
if (tagprefix == null || tagprefix.Trim () == "")
ThrowParseException ("No TagPrefix attribute found.");
string ns = GetString (atts, "Namespace", null);
string assembly = GetString (atts, "Assembly", null);
if (ns == null && assembly != null)
ThrowParseException ("Need a Namespace attribute with Assembly.");
if (ns != null) {
if (atts.Count != 0)
ThrowParseException ("Unknown attribute: " + GetOneKey (atts));
RegisterNamespace (tagprefix, ns, assembly);
return;
}
string tagname = GetString (atts, "TagName", null);
string src = GetString (atts, "Src", null);
if (tagname == null && src != null)
ThrowParseException ("Need a TagName attribute with Src.");
if (tagname != null && src == null)
ThrowParseException ("Need a Src attribute with TagName.");
RegisterCustomControl (tagprefix, tagname, src);
return;
}
cmp = String.Compare ("Reference", directive, true, Helpers.InvariantCulture);
if (cmp == 0) {
string vp = null;
string page = GetString (atts, "Page", null);
bool is_page = (page != null);
if (is_page)
vp = page;
bool dupe = false;
string control = GetString (atts, "Control", null);
if (control != null)
if (is_page)
dupe = true;
else
vp = control;
string virtualPath = GetString (atts, "VirtualPath", null);
if (virtualPath != null)
if (vp != null)
dupe = true;
else
vp = virtualPath;
if (vp == null)
ThrowParseException ("Must provide one of the 'page', 'control' or 'virtualPath' attributes");
if (dupe)
ThrowParseException ("Only one attribute can be specified.");
AddDependency (vp);
Type ctype;
ctype = BuildManager.GetCompiledType (vp);
AddAssembly (ctype.Assembly, true);
if (atts.Count != 0)
ThrowParseException ("Unknown attribute: " + GetOneKey (atts));
return;
}
base.AddDirective (directive, atts);
}
internal override void HandleOptions (object obj)
{
base.HandleOptions (obj);
Control ctrl = obj as Control;
ctrl.AutoEventWireup = autoEventWireup;
ctrl.EnableViewState = enableViewState;
}
internal bool AutoEventWireup {
get { return autoEventWireup; }
}
internal bool EnableViewState {
get { return enableViewState; }
}
internal CompilationMode CompilationMode {
get { return compilationMode; }
}
internal override TextReader Reader {
get { return reader; }
set { reader = value; }
}
}
}
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