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//
// System.Web.UI.TemplateControlParser
//
// Authors:
// Gonzalo Paniagua Javier (gonzalo@ximian.com)
//
// (C) 2002 Ximian, Inc (http://www.ximian.com)
//
using System;
using System.Collections;
using System.IO;
using System.Reflection;
using System.Web.Compilation;
using System.Web.Util;
namespace System.Web.UI
{
public abstract class TemplateControlParser : TemplateParser
{
bool autoEventWireup = true;
bool enableViewState = true;
protected TemplateControlParser ()
{
}
internal override void ProcessMainAttributes (Hashtable atts)
{
autoEventWireup = GetBool (atts, "AutoEventWireup", PagesConfig.AutoEventWireup);
enableViewState = GetBool (atts, "EnableViewState", PagesConfig.EnableViewState);
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, Hashtable atts)
{
int cmp = String.Compare ("Register", directive, true);
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 an Assembly attribute with Namespace.");
if (ns == null && assembly != null)
ThrowParseException ("Need a Namespace attribute with Assembly.");
if (ns != null) {
if (atts.Count != 0)
ThrowParseException ("Unknown attribute: " + GetOneKey (atts));
AddImport (ns);
Assembly ass = AddAssemblyByName (assembly);
AddDependency (ass.Location);
RootBuilder.Foundry.RegisterFoundry (tagprefix, ass, ns);
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.");
if (!src.EndsWith (".ascx"))
ThrowParseException ("Source file extension for controls must be .ascx");
string realpath = MapPath (src);
if (!File.Exists (realpath))
throw new ParseException (Location, "Could not find file \""
+ realpath + "\".");
try {
AddDependency (realpath);
} catch (Exception e) {
throw new ParseException (Location, e.Message);
}
string vpath = UrlUtils.Combine (BaseVirtualDir, src);
Type type = UserControlParser.GetCompiledType (vpath, realpath, Context);
AddAssembly (type.Assembly, true);
RootBuilder.Foundry.RegisterFoundry (tagprefix, tagname, type);
return;
}
cmp = String.Compare ("Reference", directive, true);
if (cmp == 0) {
string page = GetString (atts, "Page", null);
string control = GetString (atts, "Control", null);
bool is_page = (page != null);
if (!is_page && control == null)
ThrowParseException ("Must provide 'page' or 'control' attribute");
if (is_page && control != null)
ThrowParseException ("'page' and 'control' are mutually exclusive");
string filepath = (!is_page) ? control : page;
filepath = MapPath (filepath);
AddDependency (filepath);
Type ctype;
if (is_page) {
PageParser pp = new PageParser (page, filepath, Context);
ctype = pp.CompileIntoType ();
} else {
ctype = UserControlParser.GetCompiledType (control, filepath, Context);
}
AddAssembly (ctype.Assembly, true);
if (atts.Count != 0)
ThrowParseException ("Unknown attribute: " + GetOneKey (atts));
return;
}
base.AddDirective (directive, atts);
}
internal override void HandleOptions (object obj)
{
Control ctrl = obj as Control;
ctrl.AutoEventWireup = autoEventWireup;
ctrl.EnableViewState = enableViewState;
}
internal bool AutoEventWireup {
get { return autoEventWireup; }
}
internal bool EnableViewState {
get { return enableViewState; }
}
}
}
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