mcs/class/System.Web/System.Web.Compilation/TemplateControlCompiler.cs

   1 //
   2 // System.Web.Compilation.TemplateControlCompiler
   3 //
   4 // Authors:
   5 //      Gonzalo Paniagua Javier (gonzalo@ximian.com)
   6 //
   7 // (C) 2003 Ximian, Inc (http://www.ximian.com)
   8 //
   9
  10 //
  11 // Permission is hereby granted, free of charge, to any person obtaining
  12 // a copy of this software and associated documentation files (the
  13 // "Software"), to deal in the Software without restriction, including
  14 // without limitation the rights to use, copy, modify, merge, publish,
  15 // distribute, sublicense, and/or sell copies of the Software, and to
  16 // permit persons to whom the Software is furnished to do so, subject to
  17 // the following conditions:
  18 //
  19 // The above copyright notice and this permission notice shall be
  20 // included in all copies or substantial portions of the Software.
  21 //
  22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  26 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  27 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  29 //
  30 using System;
  31 using System.CodeDom;
  32 using System.Collections;
  33 using System.ComponentModel;
  34 using System.Drawing;
  35 using System.Globalization;
  36 using System.Reflection;
  37 using System.Text;
  38 using System.Web;
  39 using System.Web.UI;
  40 using System.Web.UI.WebControls;
  41 using System.Web.Util;
  42 using System.ComponentModel.Design.Serialization;
  43 #if NET_2_0
  44 using System.Configuration;
  45 using System.Collections.Specialized;
  46 using System.Text.RegularExpressions;
  47 using System.Web.Configuration;
  48 #endif
  49
  50 namespace System.Web.Compilation
  51 {
  52         class TemplateControlCompiler : BaseCompiler
  53         {
  54                 static BindingFlags noCaseFlags = BindingFlags.Public | BindingFlags.NonPublic |
  55                                                   BindingFlags.Instance | BindingFlags.IgnoreCase;
  56
  57                 TemplateControlParser parser;
  58                 int dataBoundAtts;
  59                 ILocation currentLocation;
  60
  61                 static TypeConverter colorConverter;
  62
  63                 internal static CodeVariableReferenceExpression ctrlVar = new CodeVariableReferenceExpression ("__ctrl");
  64
  65 #if NET_2_0
  66                 static Regex bindRegex = new Regex (@"Bind\s*\(""(.*?)""\)\s*%>", RegexOptions.Compiled);
  67 #endif
  68
  69                 public TemplateControlCompiler (TemplateControlParser parser)
  70                         : base (parser)
  71                 {
  72                         this.parser = parser;
  73                 }
  74
  75                 protected void EnsureID (ControlBuilder builder)
  76                 {
  77                         if (builder.ID == null || builder.ID.Trim () == "")
  78                                 builder.ID = builder.GetNextID (null);
  79                 }
  80
  81                 void CreateField (ControlBuilder builder, bool check)
  82                 {
  83                         if (builder == null || builder.ID == null || builder.ControlType == null)
  84                                 return;
  85 #if NET_2_0
  86                         if (partialNameOverride [builder.ID] != null)
  87                                 return;
  88 #endif
  89                         currentLocation = builder.location;
  90                         if (check && CheckBaseFieldOrProperty (builder.ID, builder.ControlType))
  91                                 return; // The field or property already exists in a base class and is accesible.
  92
  93                         CodeMemberField field;
  94                         field = new CodeMemberField (builder.ControlType.FullName, builder.ID);
  95                         field.Attributes = MemberAttributes.Family;
  96 #if NET_2_0
  97                         if (partialClass != null)
  98                                 partialClass.Members.Add (field);
  99                         else
 100 #endif
 101                                 mainClass.Members.Add (field);
 102                 }
 103
 104                 bool CheckBaseFieldOrProperty (string id, Type type)
 105                 {
 106                         FieldInfo fld = parser.BaseType.GetField (id, noCaseFlags);
 107
 108                         Type other = null;
 109                         if (fld == null || fld.IsPrivate) {
 110                                 PropertyInfo prop = parser.BaseType.GetProperty (id, noCaseFlags);
 111                                 if (prop != null) {
 112                                         MethodInfo setm = prop.GetSetMethod (true);
 113                                         if (setm != null)
 114                                                 other = prop.PropertyType;
 115                                 }
 116                         } else {
 117                                 other = fld.FieldType;
 118                         }
 119
 120                         if (other == null)
 121                                 return false;
 122
 123                         if (!other.IsAssignableFrom (type)) {
 124                                 string msg = String.Format ("The base class includes the field '{0}', but its " +
 125                                                             "type '{1}' is not compatible with {2}",
 126                                                             id, other, type);
 127                                 throw new ParseException (currentLocation, msg);
 128                         }
 129
 130                         return true;
 131                 }
 132
 133                 void AddParsedSubObjectStmt (ControlBuilder builder, CodeExpression expr)
 134                 {
 135                         if (!builder.haveParserVariable) {
 136                                 CodeVariableDeclarationStatement p = new CodeVariableDeclarationStatement();
 137                                 p.Name = "__parser";
 138                                 p.Type = new CodeTypeReference (typeof (IParserAccessor));
 139                                 p.InitExpression = new CodeCastExpression (typeof (IParserAccessor), ctrlVar);
 140                                 builder.methodStatements.Add (p);
 141                                 builder.haveParserVariable = true;
 142                         }
 143
 144                         CodeVariableReferenceExpression var = new CodeVariableReferenceExpression ("__parser");
 145                         CodeMethodInvokeExpression invoke = new CodeMethodInvokeExpression (var, "AddParsedSubObject");
 146                         invoke.Parameters.Add (expr);
 147                         builder.methodStatements.Add (invoke);
 148                 }
 149
 150                 void InitMethod (ControlBuilder builder, bool isTemplate, bool childrenAsProperties)
 151                 {
 152                         string tailname = ((builder is RootBuilder) ? "Tree" : ("_" + builder.ID));
 153                         CodeMemberMethod method = new CodeMemberMethod ();
 154                         builder.method = method;
 155                         builder.methodStatements = method.Statements;
 156
 157                         method.Name = "__BuildControl" + tailname;
 158                         method.Attributes = MemberAttributes.Private | MemberAttributes.Final;
 159                         Type type = builder.ControlType;
 160
 161                         /* in the case this is the __BuildControlTree
 162                          * method, allow subclasses to insert control
 163                          * specific code. */
 164                         if (builder is RootBuilder)
 165                                 AddStatementsToInitMethod (method);
 166
 167                         if (builder.HasAspCode) {
 168                                 CodeMemberMethod renderMethod = new CodeMemberMethod ();
 169                                 builder.renderMethod = renderMethod;
 170                                 renderMethod.Name = "__Render" + tailname;
 171                                 renderMethod.Attributes = MemberAttributes.Private | MemberAttributes.Final;
 172                                 CodeParameterDeclarationExpression arg1 = new CodeParameterDeclarationExpression ();
 173                                 arg1.Type = new CodeTypeReference (typeof (HtmlTextWriter));
 174                                 arg1.Name = "__output";
 175                                 CodeParameterDeclarationExpression arg2 = new CodeParameterDeclarationExpression ();
 176                                 arg2.Type = new CodeTypeReference (typeof (Control));
 177                                 arg2.Name = "parameterContainer";
 178                                 renderMethod.Parameters.Add (arg1);
 179                                 renderMethod.Parameters.Add (arg2);
 180                                 mainClass.Members.Add (renderMethod);
 181                         }
 182
 183                         if (childrenAsProperties || builder.ControlType == null) {
 184                                 string typeString;
 185                                 if (builder is RootBuilder)
 186                                         typeString = parser.ClassName;
 187                                 else {
 188                                         if (builder.ControlType != null && builder.isProperty &&
 189                                             !typeof (ITemplate).IsAssignableFrom (builder.ControlType))
 190                                                 typeString = builder.ControlType.FullName;
 191                                         else
 192                                                 typeString = "System.Web.UI.Control";
 193                                 }
 194
 195                                 method.Parameters.Add (new CodeParameterDeclarationExpression (typeString, "__ctrl"));
 196                         } else {
 197
 198                                 if (typeof (Control).IsAssignableFrom (type))
 199                                         method.ReturnType = new CodeTypeReference (typeof (Control));
 200
 201                                 // _ctrl = new $controlType ($parameters);
 202                                 //
 203                                 CodeObjectCreateExpression newExpr = new CodeObjectCreateExpression (type);
 204
 205                                 object [] atts = type.GetCustomAttributes (typeof (ConstructorNeedsTagAttribute), true);
 206                                 if (atts != null && atts.Length > 0) {
 207                                         ConstructorNeedsTagAttribute att = (ConstructorNeedsTagAttribute) atts [0];
 208                                         if (att.NeedsTag)
 209                                                 newExpr.Parameters.Add (new CodePrimitiveExpression (builder.TagName));
 210                                 } else if (builder is DataBindingBuilder) {
 211                                         newExpr.Parameters.Add (new CodePrimitiveExpression (0));
 212                                         newExpr.Parameters.Add (new CodePrimitiveExpression (1));
 213                                 }
 214
 215                                 method.Statements.Add (new CodeVariableDeclarationStatement (builder.ControlType, "__ctrl"));
 216                                 CodeAssignStatement assign = new CodeAssignStatement ();
 217                                 assign.Left = ctrlVar;
 218                                 assign.Right = newExpr;
 219                                 method.Statements.Add (assign);
 220
 221                                 // this.$builderID = _ctrl;
 222                                 //
 223                                 CodeFieldReferenceExpression builderID = new CodeFieldReferenceExpression ();
 224                                 builderID.TargetObject = thisRef;
 225                                 builderID.FieldName = builder.ID;
 226                                 assign = new CodeAssignStatement ();
 227                                 assign.Left = builderID;
 228                                 assign.Right = ctrlVar;
 229                                 method.Statements.Add (assign);
 230                                 if (typeof (UserControl).IsAssignableFrom (type)) {
 231                                         CodeMethodReferenceExpression mref = new CodeMethodReferenceExpression ();
 232                                         mref.TargetObject = builderID;
 233                                         mref.MethodName = "InitializeAsUserControl";
 234                                         CodeMethodInvokeExpression initAsControl = new CodeMethodInvokeExpression (mref);
 235                                         initAsControl.Parameters.Add (new CodePropertyReferenceExpression (thisRef, "Page"));
 236                                         method.Statements.Add (initAsControl);
 237                                 }
 238
 239 #if NET_2_0
 240                                 // _ctrl.SkinID = $value
 241                                 // _ctrl.ApplyStyleSheetSkin (this);
 242                                 //
 243                                 // the SkinID assignment needs to come
 244                                 // before the call to
 245                                 // ApplyStyleSheetSkin, for obvious
 246                                 // reasons.  We skip SkinID in
 247                                 // CreateAssignStatementsFromAttributes
 248                                 // below.
 249                                 //
 250                                 if (builder.attribs != null) {
 251                                         string skinid = builder.attribs ["skinid"] as string;
 252                                         if (skinid != null)
 253                                                 CreateAssignStatementFromAttribute (builder, "skinid");
 254                                 }
 255                                 if (typeof (WebControl).IsAssignableFrom (type)) {
 256                                         CodeMethodInvokeExpression applyStyleSheetSkin = new CodeMethodInvokeExpression (ctrlVar, "ApplyStyleSheetSkin");
 257                                         if (typeof (Page).IsAssignableFrom (parser.BaseType))
 258                                                 applyStyleSheetSkin.Parameters.Add (thisRef);
 259                                         else
 260                                                 applyStyleSheetSkin.Parameters.Add (new CodePropertyReferenceExpression (thisRef, "Page"));
 261                                         method.Statements.Add (applyStyleSheetSkin);
 262                                 }
 263 #endif
 264
 265 #if NET_2_0
 266                                 if (typeof (ContentPlaceHolder).IsAssignableFrom (type)) {
 267                                         CodePropertyReferenceExpression prop = new CodePropertyReferenceExpression (thisRef, "ContentPlaceHolders");
 268                                         CodeMethodInvokeExpression addPlaceholder = new CodeMethodInvokeExpression (prop, "Add");
 269                                         addPlaceholder.Parameters.Add (ctrlVar);
 270                                         method.Statements.Add (addPlaceholder);
 271
 272
 273                                         CodeConditionStatement condStatement;
 274
 275                                         // Add the __Template_* field
 276                                         CodeMemberField fld = new CodeMemberField (typeof (ITemplate), "__Template_" + builder.ID);
 277                                         fld.Attributes = MemberAttributes.Private;
 278                                         mainClass.Members.Add (fld);
 279
 280                                         CodeFieldReferenceExpression templateID = new CodeFieldReferenceExpression ();
 281                                         templateID.TargetObject = thisRef;
 282                                         templateID.FieldName = "__Template_" + builder.ID;
 283
 284                                         // if ((this.ContentTemplates != null)) {
 285                                         //      this.__Template_$builder.ID = ((System.Web.UI.ITemplate)(this.ContentTemplates["$builder.ID"]));
 286                                         // }
 287                                         //
 288                                         CodeFieldReferenceExpression contentTemplates = new CodeFieldReferenceExpression ();
 289                                         contentTemplates.TargetObject = thisRef;
 290                                         contentTemplates.FieldName = "ContentTemplates";
 291
 292                                         CodeIndexerExpression indexer = new CodeIndexerExpression ();
 293                                         indexer.TargetObject = new CodePropertyReferenceExpression (thisRef, "ContentTemplates");
 294                                         indexer.Indices.Add (new CodePrimitiveExpression (builder.ID));
 295
 296                                         assign = new CodeAssignStatement ();
 297                                         assign.Left = templateID;
 298                                         assign.Right = new CodeCastExpression (new CodeTypeReference (typeof (ITemplate)), indexer);
 299
 300                                         condStatement = new CodeConditionStatement (new CodeBinaryOperatorExpression (contentTemplates,
 301                                                                                                                       CodeBinaryOperatorType.IdentityInequality,
 302                                                                                                                       new CodePrimitiveExpression (null)),
 303                                                                                     assign);
 304
 305                                         method.Statements.Add (condStatement);
 306
 307                                         // if ((this.__Template_mainContent != null)) {
 308                                         //      this.__Template_mainContent.InstantiateIn(__ctrl);
 309                                         // }
 310                                         // and also set things up such that any additional code ends up in:
 311                                         // else {
 312                                         //      ...
 313                                         // }
 314                                         //
 315                                         CodeMethodReferenceExpression methodRef = new CodeMethodReferenceExpression ();
 316                                         methodRef.TargetObject = templateID;
 317                                         methodRef.MethodName = "InstantiateIn";
 318
 319                                         CodeMethodInvokeExpression instantiateInInvoke;
 320                                         instantiateInInvoke = new CodeMethodInvokeExpression (methodRef, ctrlVar);
 321
 322                                         condStatement = new CodeConditionStatement (new CodeBinaryOperatorExpression (templateID,
 323                                                                                                                       CodeBinaryOperatorType.IdentityInequality,
 324                                                                                                                       new CodePrimitiveExpression (null)),
 325                                                                                     new CodeExpressionStatement (instantiateInInvoke));
 326                                         method.Statements.Add (condStatement);
 327
 328                                         // this is the bit that causes the following stuff to end up in the else { }
 329                                         builder.methodStatements = condStatement.FalseStatements;
 330
 331                                         // __ctrl.TemplateControl = this;
 332                                         assign = new CodeAssignStatement ();
 333                                         assign.Left = new CodePropertyReferenceExpression (ctrlVar, "TemplateControl");;
 334                                         assign.Right = thisRef;
 335
 336                                         method.Statements.Add (assign);
 337                                 }
 338 #endif
 339                         }
 340
 341                         mainClass.Members.Add (method);
 342                 }
 343
 344                 protected virtual void AddStatementsToInitMethod (CodeMemberMethod method)
 345                 {
 346                 }
 347
 348                 void AddLiteralSubObject (ControlBuilder builder, string str)
 349                 {
 350                         if (!builder.HasAspCode) {
 351                                 CodeObjectCreateExpression expr;
 352                                 expr = new CodeObjectCreateExpression (typeof (LiteralControl), new CodePrimitiveExpression (str));
 353                                 AddParsedSubObjectStmt (builder, expr);
 354                         } else {
 355                                 CodeMethodReferenceExpression methodRef = new CodeMethodReferenceExpression ();
 356                                 methodRef.TargetObject = new CodeArgumentReferenceExpression ("__output");
 357                                 methodRef.MethodName = "Write";
 358
 359                                 CodeMethodInvokeExpression expr;
 360                                 expr = new CodeMethodInvokeExpression (methodRef, new CodePrimitiveExpression (str));
 361                                 builder.renderMethod.Statements.Add (expr);
 362                         }
 363                 }
 364
 365                 string TrimDB (string value)
 366                 {
 367                         string str = value.Trim ();
 368                         str = str.Substring (3);
 369                         return str.Substring (0, str.Length - 2);
 370                 }
 371
 372                 string DataBoundProperty (ControlBuilder builder, Type type, string varName, string value)
 373                 {
 374                         value = TrimDB (value);
 375                         CodeMemberMethod method;
 376                         string dbMethodName = builder.method.Name + "_DB_" + dataBoundAtts++;
 377 #if NET_2_0
 378                         bool need_if = false;
 379                         value = value.Trim ();
 380                         if (StrUtils.StartsWith (value, "Bind")) {
 381                                 value = "Eval" + value.Substring (4);
 382                                 need_if = true;
 383                         }
 384 #endif
 385
 386                         method = CreateDBMethod (dbMethodName, GetContainerType (builder), builder.ControlType);
 387
 388                         CodeVariableReferenceExpression targetExpr = new CodeVariableReferenceExpression ("target");
 389
 390                         // This should be a CodePropertyReferenceExpression for properties... but it works anyway
 391                         CodeFieldReferenceExpression field = new CodeFieldReferenceExpression (targetExpr, varName);
 392
 393                         CodeExpression expr;
 394                         if (type == typeof (string)) {
 395                                 CodeMethodInvokeExpression tostring = new CodeMethodInvokeExpression ();
 396                                 CodeTypeReferenceExpression conv = new CodeTypeReferenceExpression (typeof (Convert));
 397                                 tostring.Method = new CodeMethodReferenceExpression (conv, "ToString");
 398                                 tostring.Parameters.Add (new CodeSnippetExpression (value));
 399                                 expr = tostring;
 400                         } else {
 401                                 CodeSnippetExpression snippet = new CodeSnippetExpression (value);
 402                                 expr = new CodeCastExpression (type, snippet);
 403                         }
 404
 405                         CodeAssignStatement assign = new CodeAssignStatement (field, expr);
 406 #if NET_2_0
 407                         if (need_if) {
 408                                 CodeExpression page = new CodePropertyReferenceExpression (new CodeThisReferenceExpression (), "Page");
 409                                 CodeExpression left = new CodeMethodInvokeExpression (page, "GetDataItem");
 410                                 CodeBinaryOperatorExpression ce = new CodeBinaryOperatorExpression (left, CodeBinaryOperatorType.IdentityInequality, new CodePrimitiveExpression (null));
 411                                 CodeConditionStatement ccs = new CodeConditionStatement (ce, assign);
 412                                 method.Statements.Add (ccs);
 413                         }
 414                         else
 415 #endif
 416                                 method.Statements.Add (assign);
 417
 418                         mainClass.Members.Add (method);
 419                         return method.Name;
 420                 }
 421
 422                 void AddCodeForPropertyOrField (ControlBuilder builder, Type type, string var_name, string att, MemberInfo member, bool isDataBound, bool isExpression)
 423                 {
 424                         CodeMemberMethod method = builder.method;
 425                         bool isWritable = IsWritablePropertyOrField (member);
 426                         if (isDataBound && isWritable) {
 427                                 string dbMethodName = DataBoundProperty (builder, type, var_name, att);
 428                                 AddEventAssign (method, "DataBinding", typeof (EventHandler), dbMethodName);
 429                                 return;
 430                         }
 431 #if NET_2_0
 432                         else if (isExpression && isWritable) {
 433                                 AddExpressionAssign (method, member, type, var_name, att);
 434                                 return;
 435                         }
 436 #endif
 437
 438                         CodeAssignStatement assign = new CodeAssignStatement ();
 439                         assign.Left = new CodePropertyReferenceExpression (ctrlVar, var_name);
 440                         currentLocation = builder.location;
 441                         assign.Right = GetExpressionFromString (type, att, member);
 442
 443                         method.Statements.Add (assign);
 444                 }
 445
 446                 bool IsDataBound (string value)
 447                 {
 448                         if (value == null || value == "")
 449                                 return false;
 450
 451                         string str = value.Trim ();
 452                         return (StrUtils.StartsWith (str, "<%#") && StrUtils.EndsWith (str, "%>"));
 453                 }
 454
 455 #if NET_2_0
 456                 bool IsExpression (string value)
 457                 {
 458                         if (value == null || value == "")
 459                                 return false;
 460                         string str = value.Trim ();
 461                         return (StrUtils.StartsWith (str, "<%$") && StrUtils.EndsWith (str, "%>"));
 462                 }
 463
 464                 void RegisterBindingInfo (ControlBuilder builder, string propName, ref string value)
 465                 {
 466                         string str = value.Trim ();
 467                         str = str.Substring (3).Trim ();        // eats "<%#"
 468                         if (StrUtils.StartsWith (str, "Bind")) {
 469                                 Match match = bindRegex.Match (str);
 470                                 if (match.Success) {
 471                                         string bindingName = match.Groups [1].Value;
 472
 473                                         TemplateBuilder templateBuilder = builder.ParentTemplateBuilder;
 474                                         if (templateBuilder == null || templateBuilder.BindingDirection == BindingDirection.OneWay)
 475                                                 throw new HttpException ("Bind expression not allowed in this context.");
 476
 477                                         string id = builder.attribs ["ID"] as string;
 478                                         if (id == null)
 479                                                 throw new HttpException ("Control of type '" + builder.ControlType + "' using two-way binding on property '" + propName + "' must have an ID.");
 480
 481                                         templateBuilder.RegisterBoundProperty (builder.ControlType, propName, id, bindingName);
 482                                 }
 483                         }
 484                 }
 485 #endif
 486
 487                 /*
 488                 static bool InvariantCompare (string a, string b)
 489                 {
 490                         return (0 == String.Compare (a, b, false, CultureInfo.InvariantCulture));
 491                 }
 492                 */
 493
 494                 static bool InvariantCompareNoCase (string a, string b)
 495                 {
 496                         return (0 == String.Compare (a, b, true, CultureInfo.InvariantCulture));
 497                 }
 498
 499                 static MemberInfo GetFieldOrProperty (Type type, string name)
 500                 {
 501                         MemberInfo member = null;
 502                         try {
 503                                 member = type.GetProperty (name, noCaseFlags & ~BindingFlags.NonPublic);
 504                         } catch {}
 505
 506                         if (member != null)
 507                                 return member;
 508
 509                         try {
 510                                 member = type.GetField (name, noCaseFlags & ~BindingFlags.NonPublic);
 511                         } catch {}
 512
 513                         return member;
 514                 }
 515
 516                 static bool IsWritablePropertyOrField (MemberInfo member)
 517                 {
 518                         PropertyInfo pi = member as PropertyInfo;
 519                         if (pi != null)
 520                                 return pi.CanWrite;
 521                         FieldInfo fi = member as FieldInfo;
 522                         if (fi != null)
 523                                 return !fi.IsInitOnly;
 524                         throw new ArgumentException ("Argument must be of PropertyInfo or FieldInfo type", "member");
 525                 }
 526
 527                 bool ProcessPropertiesAndFields (ControlBuilder builder, MemberInfo member, string id,
 528                                                  string attValue, string prefix)
 529                 {
 530                         int hyphen = id.IndexOf ('-');
 531                         bool isPropertyInfo = (member is PropertyInfo);
 532                         bool isDataBound = IsDataBound (attValue);
 533 #if NET_2_0
 534                         bool isExpression = !isDataBound && IsExpression (attValue);
 535 #else
 536                         bool isExpression = false;
 537 #endif
 538                         Type type;
 539                         if (isPropertyInfo) {
 540                                 type = ((PropertyInfo) member).PropertyType;
 541                         } else {
 542                                 type = ((FieldInfo) member).FieldType;
 543                         }
 544
 545                         if (InvariantCompareNoCase (member.Name, id)) {
 546 #if NET_2_0
 547                                 if (isDataBound)
 548                                         RegisterBindingInfo (builder, member.Name, ref attValue);
 549
 550 #endif
 551                                 if (!IsWritablePropertyOrField (member))
 552                                         return false;
 553
 554                                 AddCodeForPropertyOrField (builder, type, member.Name, attValue, member, isDataBound, isExpression);
 555                                 return true;
 556                         }
 557
 558                         if (hyphen == -1)
 559                                 return false;
 560
 561                         string prop_field = id.Replace ("-", ".");
 562                         string [] parts = prop_field.Split (new char [] {'.'});
 563                         int length = parts.Length;
 564                         if (length < 2 || !InvariantCompareNoCase (member.Name, parts [0]))
 565                                 return false;
 566
 567                         if (length > 2) {
 568                                 MemberInfo sub_member = GetFieldOrProperty (type, parts [1]);
 569                                 if (sub_member == null)
 570                                         return false;
 571
 572                                 string new_prefix = prefix + parts [0] + ".";
 573                                 string new_id = id.Substring (hyphen + 1);
 574                                 return ProcessPropertiesAndFields (builder, sub_member, new_id, attValue, new_prefix);
 575                         }
 576
 577                         MemberInfo subpf = GetFieldOrProperty (type, parts [1]);
 578                         if (!(subpf is PropertyInfo))
 579                                 return false;
 580
 581                         PropertyInfo subprop = (PropertyInfo) subpf;
 582                         if (subprop.CanWrite == false)
 583                                 return false;
 584
 585                         bool is_bool = (subprop.PropertyType == typeof (bool));
 586                         if (!is_bool && attValue == null)
 587                                 return false; // Font-Size -> Font-Size="" as html
 588
 589                         string val = attValue;
 590                         if (attValue == null && is_bool)
 591                                 val = "true"; // Font-Bold <=> Font-Bold="true"
 592 #if NET_2_0
 593                         if (isDataBound) RegisterBindingInfo (builder, prefix + member.Name + "." + subprop.Name, ref attValue);
 594 #endif
 595                         AddCodeForPropertyOrField (builder, subprop.PropertyType,
 596                                                    prefix + member.Name + "." + subprop.Name,
 597                                                    val, subprop, isDataBound, isExpression);
 598
 599                         return true;
 600                 }
 601
 602 #if NET_2_0
 603                 void AddExpressionAssign (CodeMemberMethod method, MemberInfo member, Type type, string name, string value)
 604                 {
 605                         CodeAssignStatement assign = new CodeAssignStatement ();
 606                         assign.Left = new CodePropertyReferenceExpression (ctrlVar, name);
 607
 608                         // First let's find the correct expression builder
 609                         string expr = value.Substring (3, value.Length - 5).Trim ();
 610                         int colon = expr.IndexOf (':');
 611                         if (colon == -1)
 612                                 return;
 613                         string prefix = expr.Substring (0, colon).Trim ();
 614
 615                         System.Configuration.Configuration config = WebConfigurationManager.OpenWebConfiguration ("");
 616                         if (config == null)
 617                                 return;
 618                         CompilationSection cs = (CompilationSection)config.GetSection ("system.web/compilation");
 619                         if (cs == null)
 620                                 return;
 621                         if (cs.ExpressionBuilders == null || cs.ExpressionBuilders.Count == 0)
 622                                 return;
 623
 624                         System.Web.Configuration.ExpressionBuilder ceb = cs.ExpressionBuilders[prefix];
 625                         if (ceb == null)
 626                                 return;
 627                         string builderType = ceb.Type;
 628
 629                         Type t;
 630                         try {
 631                                 t = System.Type.GetType (builderType, true);
 632                         } catch (Exception e) {
 633                                 throw new HttpException (
 634                                         String.Format ("Failed to load expression builder type `{0}'", builderType), e);
 635                         }
 636
 637                         if (!typeof (System.Web.Compilation.ExpressionBuilder).IsAssignableFrom (t))
 638                                 throw new HttpException (
 639                                         String.Format (
 640                                                 "Type {0} is not descendant from System.Web.Compilation.ExpressionBuilder",
 641                                                 builderType));
 642
 643                         System.Web.Compilation.ExpressionBuilder eb = null;
 644                         object parsedData;
 645                         ExpressionBuilderContext ctx;
 646
 647                         try {
 648                                 eb = Activator.CreateInstance (t) as System.Web.Compilation.ExpressionBuilder;
 649                                 ctx = new ExpressionBuilderContext (HttpContext.Current.Request.FilePath);
 650                                 parsedData = eb.ParseExpression (expr.Substring (colon + 1).Trim (), type, ctx);
 651                         } catch (Exception e) {
 652                                 throw new HttpException (
 653                                         String.Format ("Failed to create an instance of type `{0}'", builderType), e);
 654                         }
 655                         // FIXME: create and pass an instance of BoundPropertyEntry
 656                         CodeMethodInvokeExpression convert = new CodeMethodInvokeExpression ();
 657                         convert.Method = new CodeMethodReferenceExpression (
 658                                 new CodeTypeReferenceExpression (typeof(Convert)),
 659                                 "ToString");
 660                         convert.Parameters.Add (eb.GetCodeExpression (null, parsedData, ctx));
 661                         convert.Parameters.Add (
 662                                 new CodeFieldReferenceExpression (
 663                                         new CodeTypeReferenceExpression ("System.Globalization.CultureInfo"),
 664                                         "CurrentCulture"));
 665                         assign.Right = convert;
 666
 667                         method.Statements.Add (assign);
 668                 }
 669
 670                 void AssignPropertyFromResources (CodeMemberMethod method, MemberInfo mi, string attvalue, string varname)
 671                 {
 672                         string resname = String.Format ("{0}.{1}", attvalue, mi.Name);
 673                         bool isProperty = mi.MemberType == MemberTypes.Property;
 674                         bool isField = !isProperty && (mi.MemberType == MemberTypes.Field);
 675
 676                         if (!isProperty && !isField || !IsWritablePropertyOrField (mi))
 677                                 return;
 678
 679                         Type member_type = null;
 680                         if (isProperty) {
 681                                 PropertyInfo pi = mi as PropertyInfo;
 682                                 member_type = pi.PropertyType;
 683                         } else if (isField) {
 684                                 FieldInfo fi = mi as FieldInfo;
 685                                 member_type = fi.FieldType;
 686                         } else // should never happen
 687                                 return;
 688
 689                         // __ctrl.Text = System.Convert.ToString(HttpContext.GetLocalResourceObject("ButtonResource1.Text"));
 690                         string inputFile = parser.InputFile;
 691                         string physPath = HttpContext.Current.Request.PhysicalApplicationPath;
 692
 693                         if (StrUtils.StartsWith (inputFile, physPath))
 694                                 inputFile = parser.InputFile.Substring (physPath.Length - 1);
 695                          else
 696                                 return;
 697
 698                         object obj = HttpContext.GetLocalResourceObject (inputFile, resname);
 699                         if (obj == null)
 700                                 return;
 701
 702                         CodeAssignStatement assign = new CodeAssignStatement ();
 703                         assign.Left = new CodePropertyReferenceExpression (ctrlVar, mi.Name);
 704                         CodeMethodInvokeExpression getlro = new CodeMethodInvokeExpression (
 705                                 new CodeThisReferenceExpression (),
 706                                 "GetLocalResourceObject",
 707                                 new CodeExpression [] { new CodePrimitiveExpression (resname) });
 708
 709                         CodeMethodInvokeExpression convert = new CodeMethodInvokeExpression ();
 710                         convert.Method = new CodeMethodReferenceExpression (
 711                                 new CodeTypeReferenceExpression (typeof(System.Convert)),
 712                                 "ToString");
 713                         convert.Parameters.Add (getlro);
 714                         assign.Right = convert;
 715
 716 //                      assign.Left = new CodeVariableReferenceExpression (varname);
 717 //                      assign.Right = new CodeMethodInvokeExpression (
 718 //                              new CodeThisReferenceExpression (),
 719 //                              "GetLocalResourceObject",
 720 //                              new CodeExpression [] { new CodePrimitiveExpression (resname) });
 721 //                      method.Statements.Add (assign);
 722
 723 //                      // if (localResourceObject != null && localResourceObject.GetType() == typeof(member_type))
 724 //                      CodeConditionStatement ccs = new CodeConditionStatement ();
 725 //                      CodeBinaryOperatorExpression exp1 = new CodeBinaryOperatorExpression (
 726 //                              new CodeVariableReferenceExpression (varname),
 727 //                              CodeBinaryOperatorType.IdentityInequality,
 728 //                              new CodePrimitiveExpression (null));
 729
 730 //                      CodeBinaryOperatorExpression exp2 = new CodeBinaryOperatorExpression (
 731 //                              new CodeMethodInvokeExpression (
 732 //                                      new CodeVariableReferenceExpression (varname),
 733 //                                      "GetType",
 734 //                                      new CodeExpression [] {}),
 735 //                              CodeBinaryOperatorType.IdentityEquality,
 736 //                              new CodeTypeOfExpression (
 737 //                                      new CodeTypeReference (member_type.ToString ())));
 738 //                      ccs.Condition = new CodeBinaryOperatorExpression (
 739 //                              exp1,
 740 //                              CodeBinaryOperatorType.BooleanAnd,
 741 //                              exp2);
 742
 743 //                      //   ctrlVar.Property = (member_type)obj;
 744 //                      assign = new CodeAssignStatement ();
 745 //                      assign.Left = new CodePropertyReferenceExpression (ctrlVar, mi.Name);
 746 //                      assign.Right = new CodeCastExpression (
 747 //                              member_type.ToString (),
 748 //                              new CodeVariableReferenceExpression (varname));
 749 //                      ccs.TrueStatements.Add (assign);
 750                         method.Statements.Add (assign);
 751                 }
 752
 753                 void AssignPropertiesFromResources (ControlBuilder builder, string attvalue)
 754                 {
 755                         if (attvalue == null || attvalue.Length == 0)
 756                                 return;
 757
 758                         Type controlType = builder.ControlType;
 759                         if (controlType == null)
 760                                 return;
 761
 762                         // object obj = null;
 763
 764                         // Process all public fields and properties of the control. We don't use GetMembers to make the code
 765                         // faster
 766                         FieldInfo [] fields = controlType.GetFields (
 767                                 BindingFlags.Instance | BindingFlags.Static |
 768                                 BindingFlags.Public | BindingFlags.FlattenHierarchy);
 769                         PropertyInfo [] properties = controlType.GetProperties (
 770                                 BindingFlags.Instance | BindingFlags.Static |
 771                                 BindingFlags.Public | BindingFlags.FlattenHierarchy);
 772
 773                         if (fields.Length > 0 || properties.Length > 0) {
 774                                 CodeVariableDeclarationStatement cvds = new CodeVariableDeclarationStatement (
 775                                         typeof (object),
 776                                         "localResourceObject",
 777                                         new CodePrimitiveExpression (null));
 778                                 builder.method.Statements.Add (cvds);
 779                         }
 780
 781                         foreach (FieldInfo fi in fields)
 782                                 AssignPropertyFromResources (builder.method, fi, attvalue, "localResourceObject");
 783                         foreach (PropertyInfo pi in properties)
 784                                 AssignPropertyFromResources (builder.method, pi, attvalue, "localResourceObject");
 785                 }
 786 #endif
 787
 788                 void AddEventAssign (CodeMemberMethod method, string name, Type type, string value)
 789                 {
 790                         //"__ctrl.{0} += new {1} (this.{2});"
 791                         CodeEventReferenceExpression evtID = new CodeEventReferenceExpression (ctrlVar, name);
 792
 793                         CodeDelegateCreateExpression create;
 794                         create = new CodeDelegateCreateExpression (new CodeTypeReference (type), thisRef, value);
 795
 796                         CodeAttachEventStatement attach = new CodeAttachEventStatement (evtID, create);
 797                         method.Statements.Add (attach);
 798                 }
 799
 800                 void CreateAssignStatementFromAttribute (ControlBuilder builder, string id)
 801                 {
 802                         EventInfo [] ev_info = null;
 803                         Type type = builder.ControlType;
 804
 805                         string attvalue = builder.attribs [id] as string;
 806                         if (id.Length > 2 && id.Substring (0, 2).ToUpper () == "ON"){
 807                                 if (ev_info == null)
 808                                         ev_info = type.GetEvents ();
 809
 810                                 string id_as_event = id.Substring (2);
 811                                 foreach (EventInfo ev in ev_info){
 812                                         if (InvariantCompareNoCase (ev.Name, id_as_event)){
 813                                                 AddEventAssign (builder.method,
 814                                                                 ev.Name,
 815                                                                 ev.EventHandlerType,
 816                                                                 attvalue);
 817
 818                                                 return;
 819                                         }
 820                                 }
 821
 822                         }
 823
 824 #if NET_2_0
 825                         if (id.ToLower () == "meta:resourcekey") {
 826                                 AssignPropertiesFromResources (builder, attvalue);
 827                                 return;
 828                         }
 829 #endif
 830
 831                         int hyphen = id.IndexOf ('-');
 832                         string alt_id = id;
 833                         if (hyphen != -1)
 834                                 alt_id = id.Substring (0, hyphen);
 835
 836                         MemberInfo fop = GetFieldOrProperty (type, alt_id);
 837                         if (fop != null) {
 838                                 if (ProcessPropertiesAndFields (builder, fop, id, attvalue, null))
 839                                         return;
 840                         }
 841
 842                         if (!typeof (IAttributeAccessor).IsAssignableFrom (type))
 843                                 throw new ParseException (builder.location, "Unrecognized attribute: " + id);
 844
 845                         string val;
 846                         CodeMemberMethod method = builder.method;
 847                         bool databound = IsDataBound (attvalue);
 848
 849                         if (databound) {
 850                                 val = attvalue.Substring (3);
 851                                 val = val.Substring (0, val.Length - 2);
 852                                 CreateDBAttributeMethod (builder, id, val);
 853                         } else {
 854                                 CodeCastExpression cast;
 855                                 CodeMethodReferenceExpression methodExpr;
 856                                 CodeMethodInvokeExpression expr;
 857
 858                                 cast = new CodeCastExpression (typeof (IAttributeAccessor), ctrlVar);
 859                                 methodExpr = new CodeMethodReferenceExpression (cast, "SetAttribute");
 860                                 expr = new CodeMethodInvokeExpression (methodExpr);
 861                                 expr.Parameters.Add (new CodePrimitiveExpression (id));
 862                                 expr.Parameters.Add (new CodePrimitiveExpression (attvalue));
 863                                 method.Statements.Add (expr);
 864                         }
 865
 866                 }
 867
 868                 protected void CreateAssignStatementsFromAttributes (ControlBuilder builder)
 869                 {
 870                         this.dataBoundAtts = 0;
 871                         IDictionary atts = builder.attribs;
 872                         if (atts == null || atts.Count == 0)
 873                                 return;
 874
 875                         foreach (string id in atts.Keys) {
 876                                 if (InvariantCompareNoCase (id, "runat"))
 877                                         continue;
 878
 879 #if NET_2_0
 880                                 /* we skip SkinID here as it's assigned in BuildControlTree */
 881                                 if (InvariantCompareNoCase (id, "skinid"))
 882                                         continue;
 883 #endif
 884                                 CreateAssignStatementFromAttribute (builder, id);
 885                         }
 886                 }
 887
 888                 void CreateDBAttributeMethod (ControlBuilder builder, string attr, string code)
 889                 {
 890                         if (code == null || code.Trim () == "")
 891                                 return;
 892
 893                         string id = builder.GetNextID (null);
 894                         string dbMethodName = "__DataBind_" + id;
 895                         CodeMemberMethod method = builder.method;
 896                         AddEventAssign (method, "DataBinding", typeof (EventHandler), dbMethodName);
 897
 898                         method = CreateDBMethod (dbMethodName, GetContainerType (builder), builder.ControlType);
 899                         CodeCastExpression cast;
 900                         CodeMethodReferenceExpression methodExpr;
 901                         CodeMethodInvokeExpression expr;
 902
 903                         CodeVariableReferenceExpression targetExpr = new CodeVariableReferenceExpression ("target");
 904                         cast = new CodeCastExpression (typeof (IAttributeAccessor), targetExpr);
 905                         methodExpr = new CodeMethodReferenceExpression (cast, "SetAttribute");
 906                         expr = new CodeMethodInvokeExpression (methodExpr);
 907                         expr.Parameters.Add (new CodePrimitiveExpression (attr));
 908                         CodeMethodInvokeExpression tostring = new CodeMethodInvokeExpression ();
 909                         tostring.Method = new CodeMethodReferenceExpression (
 910                                                         new CodeTypeReferenceExpression (typeof (Convert)),
 911                                                         "ToString");
 912                         tostring.Parameters.Add (new CodeSnippetExpression (code));
 913                         expr.Parameters.Add (tostring);
 914                         method.Statements.Add (expr);
 915                         mainClass.Members.Add (method);
 916                 }
 917
 918                 void AddRenderControl (ControlBuilder builder)
 919                 {
 920                         CodeIndexerExpression indexer = new CodeIndexerExpression ();
 921                         indexer.TargetObject = new CodePropertyReferenceExpression (
 922                                                         new CodeArgumentReferenceExpression ("parameterContainer"),
 923                                                         "Controls");
 924
 925                         indexer.Indices.Add (new CodePrimitiveExpression (builder.renderIndex));
 926
 927                         CodeMethodInvokeExpression invoke = new CodeMethodInvokeExpression (indexer, "RenderControl");
 928                         invoke.Parameters.Add (new CodeArgumentReferenceExpression ("__output"));
 929                         builder.renderMethod.Statements.Add (invoke);
 930                         builder.renderIndex++;
 931                 }
 932
 933                 protected void AddChildCall (ControlBuilder parent, ControlBuilder child)
 934                 {
 935                         if (parent == null || child == null)
 936                                 return;
 937                         CodeMethodReferenceExpression m = new CodeMethodReferenceExpression (thisRef, child.method.Name);
 938                         CodeMethodInvokeExpression expr = new CodeMethodInvokeExpression (m);
 939
 940                         object [] atts = null;
 941
 942                         if (child.ControlType != null)
 943                                 child.ControlType.GetCustomAttributes (typeof (PartialCachingAttribute), true);
 944                         if (atts != null && atts.Length > 0) {
 945                                 PartialCachingAttribute pca = (PartialCachingAttribute) atts [0];
 946                                 CodeTypeReferenceExpression cc = new CodeTypeReferenceExpression("System.Web.UI.StaticPartialCachingControl");
 947                                 CodeMethodInvokeExpression build = new CodeMethodInvokeExpression (cc, "BuildCachedControl");
 948                                 build.Parameters.Add (new CodeArgumentReferenceExpression("__ctrl"));
 949                                 build.Parameters.Add (new CodePrimitiveExpression (child.ID));
 950 #if NET_1_1
 951                                 if (pca.Shared)
 952                                         build.Parameters.Add (new CodePrimitiveExpression (child.ControlType.GetHashCode ().ToString ()));
 953                                 else
 954 #endif
 955                                         build.Parameters.Add (new CodePrimitiveExpression (Guid.NewGuid ().ToString ()));
 956
 957                                 build.Parameters.Add (new CodePrimitiveExpression (pca.Duration));
 958                                 build.Parameters.Add (new CodePrimitiveExpression (pca.VaryByParams));
 959                                 build.Parameters.Add (new CodePrimitiveExpression (pca.VaryByControls));
 960                                 build.Parameters.Add (new CodePrimitiveExpression (pca.VaryByCustom));
 961                                 build.Parameters.Add (new CodeDelegateCreateExpression (
 962                                                               new CodeTypeReference (typeof (System.Web.UI.BuildMethod)),
 963                                                               thisRef, child.method.Name));
 964
 965                                 parent.methodStatements.Add (build);
 966                                 if (parent.HasAspCode)
 967                                         AddRenderControl (parent);
 968                                 return;
 969                         }
 970
 971                         if (child.isProperty || parent.ChildrenAsProperties) {
 972                                 expr.Parameters.Add (new CodeFieldReferenceExpression (ctrlVar, child.TagName));
 973                                 parent.methodStatements.Add (expr);
 974                                 return;
 975                         }
 976
 977                         parent.methodStatements.Add (expr);
 978                         CodeFieldReferenceExpression field = new CodeFieldReferenceExpression (thisRef, child.ID);
 979                         if (parent.ControlType == null || typeof (IParserAccessor).IsAssignableFrom (parent.ControlType)) {
 980                                 AddParsedSubObjectStmt (parent, field);
 981                         } else {
 982                                 CodeMethodInvokeExpression invoke = new CodeMethodInvokeExpression (ctrlVar, "Add");
 983                                 invoke.Parameters.Add (field);
 984                                 parent.methodStatements.Add (invoke);
 985                         }
 986
 987                         if (parent.HasAspCode)
 988                                 AddRenderControl (parent);
 989                 }
 990
 991                 void AddTemplateInvocation (CodeMemberMethod method, string name, string methodName)
 992                 {
 993                         CodePropertyReferenceExpression prop = new CodePropertyReferenceExpression (ctrlVar, name);
 994
 995                         CodeObjectCreateExpression newBuild = new CodeObjectCreateExpression (typeof (BuildTemplateMethod));
 996                         newBuild.Parameters.Add (new CodeMethodReferenceExpression (thisRef, methodName));
 997
 998                         CodeObjectCreateExpression newCompiled = new CodeObjectCreateExpression (typeof (CompiledTemplateBuilder));
 999                         newCompiled.Parameters.Add (newBuild);
1000
1001                         CodeAssignStatement assign = new CodeAssignStatement (prop, newCompiled);
1002                         method.Statements.Add (assign);
1003                 }
1004
1005 #if NET_2_0
1006                 void AddBindableTemplateInvocation (CodeMemberMethod method, string name, string methodName, string extractMethodName)
1007                 {
1008                         CodePropertyReferenceExpression prop = new CodePropertyReferenceExpression (ctrlVar, name);
1009
1010                         CodeObjectCreateExpression newBuild = new CodeObjectCreateExpression (typeof (BuildTemplateMethod));
1011                         newBuild.Parameters.Add (new CodeMethodReferenceExpression (thisRef, methodName));
1012
1013                         CodeObjectCreateExpression newExtract = new CodeObjectCreateExpression (typeof (ExtractTemplateValuesMethod));
1014                         newExtract.Parameters.Add (new CodeMethodReferenceExpression (thisRef, extractMethodName));
1015
1016                         CodeObjectCreateExpression newCompiled = new CodeObjectCreateExpression (typeof (CompiledBindableTemplateBuilder));
1017                         newCompiled.Parameters.Add (newBuild);
1018                         newCompiled.Parameters.Add (newExtract);
1019
1020                         CodeAssignStatement assign = new CodeAssignStatement (prop, newCompiled);
1021                         method.Statements.Add (assign);
1022                 }
1023
1024                 string CreateExtractValuesMethod (TemplateBuilder builder)
1025                 {
1026                         CodeMemberMethod method = new CodeMemberMethod ();
1027                         method.Name = "__ExtractValues_" + builder.ID;
1028                         method.Attributes = MemberAttributes.Private | MemberAttributes.Final;
1029                         method.ReturnType = new CodeTypeReference (typeof(IOrderedDictionary));
1030
1031                         CodeParameterDeclarationExpression arg = new CodeParameterDeclarationExpression ();
1032                         arg.Type = new CodeTypeReference (typeof (Control));
1033                         arg.Name = "__container";
1034                         method.Parameters.Add (arg);
1035                         mainClass.Members.Add (method);
1036
1037                         CodeObjectCreateExpression newTable = new CodeObjectCreateExpression ();
1038                         newTable.CreateType = new CodeTypeReference (typeof(OrderedDictionary));
1039                         method.Statements.Add (new CodeVariableDeclarationStatement (typeof(OrderedDictionary), "__table", newTable));
1040                         CodeVariableReferenceExpression tableExp = new CodeVariableReferenceExpression ("__table");
1041
1042                         if (builder.Bindings != null) {
1043                                 Hashtable hash = new Hashtable ();
1044                                 foreach (TemplateBinding binding in builder.Bindings) {
1045                                         CodeConditionStatement sif;
1046                                         CodeVariableReferenceExpression control;
1047                                         CodeAssignStatement assign;
1048
1049                                         if (hash [binding.ControlId] == null) {
1050
1051                                                 CodeVariableDeclarationStatement dec = new CodeVariableDeclarationStatement (binding.ControlType, binding.ControlId);
1052                                                 method.Statements.Add (dec);
1053                                                 CodeVariableReferenceExpression cter = new CodeVariableReferenceExpression ("__container");
1054                                                 CodeMethodInvokeExpression invoke = new CodeMethodInvokeExpression (cter, "FindControl");
1055                                                 invoke.Parameters.Add (new CodePrimitiveExpression (binding.ControlId));
1056
1057                                                 assign = new CodeAssignStatement ();
1058                                                 control = new CodeVariableReferenceExpression (binding.ControlId);
1059                                                 assign.Left = control;
1060                                                 assign.Right = new CodeCastExpression (binding.ControlType, invoke);
1061                                                 method.Statements.Add (assign);
1062
1063                                                 sif = new CodeConditionStatement ();
1064                                                 sif.Condition = new CodeBinaryOperatorExpression (control, CodeBinaryOperatorType.IdentityInequality, new CodePrimitiveExpression (null));
1065
1066                                                 method.Statements.Add (sif);
1067
1068                                                 hash [binding.ControlId] = sif;
1069                                         }
1070
1071                                         sif = (CodeConditionStatement) hash [binding.ControlId];
1072                                         control = new CodeVariableReferenceExpression (binding.ControlId);
1073                                         assign = new CodeAssignStatement ();
1074                                         assign.Left = new CodeIndexerExpression (tableExp, new CodePrimitiveExpression (binding.FieldName));
1075                                         assign.Right = new CodePropertyReferenceExpression (control, binding.ControlProperty);
1076                                         sif.TrueStatements.Add (assign);
1077                                 }
1078                         }
1079
1080                         method.Statements.Add (new CodeMethodReturnStatement (tableExp));
1081                         return method.Name;
1082                 }
1083
1084                 void AddContentTemplateInvocation (ContentBuilderInternal cbuilder, CodeMemberMethod method, string methodName)
1085                 {
1086                         CodeObjectCreateExpression newBuild = new CodeObjectCreateExpression (typeof (BuildTemplateMethod));
1087                         newBuild.Parameters.Add (new CodeMethodReferenceExpression (thisRef, methodName));
1088
1089                         CodeObjectCreateExpression newCompiled = new CodeObjectCreateExpression (typeof (CompiledTemplateBuilder));
1090                         newCompiled.Parameters.Add (newBuild);
1091
1092                         CodeMethodInvokeExpression invoke = new CodeMethodInvokeExpression (thisRef, "AddContentTemplate");
1093                         invoke.Parameters.Add (new CodePrimitiveExpression (cbuilder.ContentPlaceHolderID));
1094                         invoke.Parameters.Add (newCompiled);
1095
1096                         method.Statements.Add (invoke);
1097                 }
1098 #endif
1099
1100                 void AddCodeRender (ControlBuilder parent, CodeRenderBuilder cr)
1101                 {
1102                         if (cr.Code == null || cr.Code.Trim () == "")
1103                                 return;
1104
1105                         if (!cr.IsAssign) {
1106                                 CodeSnippetStatement code = new CodeSnippetStatement (cr.Code);
1107                                 parent.renderMethod.Statements.Add (code);
1108                                 return;
1109                         }
1110
1111                         CodeMethodInvokeExpression expr = new CodeMethodInvokeExpression ();
1112                         expr.Method = new CodeMethodReferenceExpression (
1113                                                         new CodeArgumentReferenceExpression ("__output"),
1114                                                         "Write");
1115
1116                         expr.Parameters.Add (new CodeSnippetExpression (cr.Code));
1117                         parent.renderMethod.Statements.Add (expr);
1118                 }
1119
1120                 static Type GetContainerType (ControlBuilder builder)
1121                 {
1122                         TemplateBuilder tb = builder as TemplateBuilder;
1123                         if (tb != null && tb.ContainerType != null)
1124                                 return tb.ContainerType;
1125
1126                         Type type = builder.BindingContainerType;
1127
1128                         PropertyInfo prop = type.GetProperty ("Items", noCaseFlags & ~BindingFlags.NonPublic);
1129                         if (prop == null)
1130                                 return type;
1131
1132                         Type ptype = prop.PropertyType;
1133                         if (!typeof (ICollection).IsAssignableFrom (ptype))
1134                                 return type;
1135
1136                         prop = ptype.GetProperty ("Item", noCaseFlags & ~BindingFlags.NonPublic);
1137                         if (prop == null)
1138                                 return type;
1139
1140                         return prop.PropertyType;
1141                 }
1142
1143                 CodeMemberMethod CreateDBMethod (string name, Type container, Type target)
1144                 {
1145                         CodeMemberMethod method = new CodeMemberMethod ();
1146                         method.Attributes = MemberAttributes.Public | MemberAttributes.Final;
1147                         method.Name = name;
1148                         method.Parameters.Add (new CodeParameterDeclarationExpression (typeof (object), "sender"));
1149                         method.Parameters.Add (new CodeParameterDeclarationExpression (typeof (EventArgs), "e"));
1150
1151                         CodeTypeReference containerRef = new CodeTypeReference (container);
1152                         CodeTypeReference targetRef = new CodeTypeReference (target);
1153
1154                         CodeVariableDeclarationStatement decl = new CodeVariableDeclarationStatement();
1155                         decl.Name = "Container";
1156                         decl.Type = containerRef;
1157                         method.Statements.Add (decl);
1158
1159                         decl = new CodeVariableDeclarationStatement();
1160                         decl.Name = "target";
1161                         decl.Type = targetRef;
1162                         method.Statements.Add (decl);
1163
1164                         CodeVariableReferenceExpression targetExpr = new CodeVariableReferenceExpression ("target");
1165                         CodeAssignStatement assign = new CodeAssignStatement ();
1166                         assign.Left = targetExpr;
1167                         assign.Right = new CodeCastExpression (targetRef, new CodeArgumentReferenceExpression ("sender"));
1168                         method.Statements.Add (assign);
1169
1170                         assign = new CodeAssignStatement ();
1171                         assign.Left = new CodeVariableReferenceExpression ("Container");
1172                         assign.Right = new CodeCastExpression (containerRef,
1173                                                 new CodePropertyReferenceExpression (targetExpr, "BindingContainer"));
1174                         method.Statements.Add (assign);
1175
1176                         return method;
1177                 }
1178
1179                 void AddDataBindingLiteral (ControlBuilder builder, DataBindingBuilder db)
1180                 {
1181                         if (db.Code == null || db.Code.Trim () == "")
1182                                 return;
1183
1184                         EnsureID (db);
1185                         CreateField (db, false);
1186
1187                         string dbMethodName = "__DataBind_" + db.ID;
1188                         // Add the method that builds the DataBoundLiteralControl
1189                         InitMethod (db, false, false);
1190                         CodeMemberMethod method = db.method;
1191                         AddEventAssign (method, "DataBinding", typeof (EventHandler), dbMethodName);
1192                         method.Statements.Add (new CodeMethodReturnStatement (ctrlVar));
1193
1194                         // Add the DataBind handler
1195                         method = CreateDBMethod (dbMethodName, GetContainerType (builder), typeof (DataBoundLiteralControl));
1196
1197                         CodeVariableReferenceExpression targetExpr = new CodeVariableReferenceExpression ("target");
1198                         CodeMethodInvokeExpression invoke = new CodeMethodInvokeExpression ();
1199                         invoke.Method = new CodeMethodReferenceExpression (targetExpr, "SetDataBoundString");
1200                         invoke.Parameters.Add (new CodePrimitiveExpression (0));
1201
1202                         CodeMethodInvokeExpression tostring = new CodeMethodInvokeExpression ();
1203                         tostring.Method = new CodeMethodReferenceExpression (
1204                                                         new CodeTypeReferenceExpression (typeof (Convert)),
1205                                                         "ToString");
1206                         tostring.Parameters.Add (new CodeSnippetExpression (db.Code));
1207                         invoke.Parameters.Add (tostring);
1208                         method.Statements.Add (invoke);
1209
1210                         mainClass.Members.Add (method);
1211
1212                         AddChildCall (builder, db);
1213                 }
1214
1215                 void FlushText (ControlBuilder builder, StringBuilder sb)
1216                 {
1217                         if (sb.Length > 0) {
1218                                 AddLiteralSubObject (builder, sb.ToString ());
1219                                 sb.Length = 0;
1220                         }
1221                 }
1222
1223                 protected void CreateControlTree (ControlBuilder builder, bool inTemplate, bool childrenAsProperties)
1224                 {
1225                         EnsureID (builder);
1226                         bool isTemplate = (typeof (TemplateBuilder).IsAssignableFrom (builder.GetType ()));
1227                         if (!isTemplate && !inTemplate) {
1228                                 CreateField (builder, true);
1229                         } else if (!isTemplate) {
1230                                 builder.ID = builder.GetNextID (null);
1231                                 CreateField (builder, false);
1232                         }
1233
1234                         InitMethod (builder, isTemplate, childrenAsProperties);
1235                         if (!isTemplate || builder.GetType () == typeof (RootBuilder))
1236                                 CreateAssignStatementsFromAttributes (builder);
1237
1238                         if (builder.Children != null && builder.Children.Count > 0) {
1239                                 ArrayList templates = null;
1240
1241                                 StringBuilder sb = new StringBuilder ();
1242                                 foreach (object b in builder.Children) {
1243
1244                                         if (b is string) {
1245                                                 sb.Append ((string) b);
1246                                                 continue;
1247                                         }
1248
1249                                         FlushText (builder, sb);
1250                                         if (b is ObjectTagBuilder) {
1251                                                 ProcessObjectTag ((ObjectTagBuilder) b);
1252                                                 continue;
1253                                         }
1254
1255                                         StringPropertyBuilder pb = b as StringPropertyBuilder;
1256                                         if (pb != null){
1257                                                 if (pb.Children != null && pb.Children.Count > 0) {
1258                                                         StringBuilder asb = new StringBuilder ();
1259                                                         foreach (string s in pb.Children)
1260                                                                 asb.Append (s);
1261                                                         CodeMemberMethod method = builder.method;
1262                                                         CodeAssignStatement assign = new CodeAssignStatement ();
1263                                                         assign.Left = new CodePropertyReferenceExpression (ctrlVar, pb.PropertyName);
1264                                                         assign.Right = new CodePrimitiveExpression (asb.ToString ());
1265                                                         method.Statements.Add (assign);
1266                                                 }
1267                                                 continue;
1268                                         }
1269
1270 #if NET_2_0
1271                                         if (b is ContentBuilderInternal) {
1272                                                 ContentBuilderInternal cb = (ContentBuilderInternal) b;
1273                                                 CreateControlTree (cb, false, true);
1274                                                 AddContentTemplateInvocation (cb, builder.method, cb.method.Name);
1275                                                 continue;
1276                                         }
1277 #endif
1278
1279                                         if (b is TemplateBuilder) {
1280                                                 if (templates == null)
1281                                                         templates = new ArrayList ();
1282
1283                                                 templates.Add (b);
1284                                                 continue;
1285                                         }
1286
1287                                         if (b is CodeRenderBuilder) {
1288                                                 AddCodeRender (builder, (CodeRenderBuilder) b);
1289                                                 continue;
1290                                         }
1291
1292                                         if (b is DataBindingBuilder) {
1293                                                 AddDataBindingLiteral (builder, (DataBindingBuilder) b);
1294                                                 continue;
1295                                         }
1296
1297                                         if (b is ControlBuilder) {
1298                                                 ControlBuilder child = (ControlBuilder) b;
1299                                                 CreateControlTree (child, inTemplate, builder.ChildrenAsProperties);
1300                                                 AddChildCall (builder, child);
1301                                                 continue;
1302                                         }
1303
1304                                         throw new Exception ("???");
1305                                 }
1306
1307                                 FlushText (builder, sb);
1308
1309                                 if (templates != null) {
1310                                         foreach (TemplateBuilder b in templates) {
1311                                                 CreateControlTree (b, true, false);
1312 #if NET_2_0
1313                                                 if (b.BindingDirection == BindingDirection.TwoWay) {
1314                                                         string extractMethod = CreateExtractValuesMethod (b);
1315                                                         AddBindableTemplateInvocation (builder.method, b.TagName, b.method.Name, extractMethod);
1316                                                 }
1317                                                 else
1318 #endif
1319                                                 AddTemplateInvocation (builder.method, b.TagName, b.method.Name);
1320                                         }
1321                                 }
1322
1323                         }
1324
1325                         if (builder.defaultPropertyBuilder != null) {
1326                                 ControlBuilder b = builder.defaultPropertyBuilder;
1327                                 CreateControlTree (b, false, true);
1328                                 AddChildCall (builder, b);
1329                         }
1330
1331                         if (builder.HasAspCode) {
1332                                 CodeMethodReferenceExpression m = new CodeMethodReferenceExpression ();
1333                                 m.TargetObject = thisRef;
1334                                 m.MethodName = builder.renderMethod.Name;
1335
1336                                 CodeDelegateCreateExpression create = new CodeDelegateCreateExpression ();
1337                                 create.DelegateType = new CodeTypeReference (typeof (RenderMethod));
1338                                 create.TargetObject = thisRef;
1339                                 create.MethodName = builder.renderMethod.Name;
1340
1341                                 CodeMethodInvokeExpression invoke = new CodeMethodInvokeExpression ();
1342                                 invoke.Method = new CodeMethodReferenceExpression (ctrlVar, "SetRenderMethodDelegate");
1343                                 invoke.Parameters.Add (create);
1344
1345                                 builder.methodStatements.Add (invoke);
1346                         }
1347
1348                         if (!childrenAsProperties && typeof (Control).IsAssignableFrom (builder.ControlType))
1349                                 builder.method.Statements.Add (new CodeMethodReturnStatement (ctrlVar));
1350                 }
1351
1352                 protected internal override void CreateMethods ()
1353                 {
1354                         base.CreateMethods ();
1355
1356                         CreateProperties ();
1357                         CreateControlTree (parser.RootBuilder, false, false);
1358                         CreateFrameworkInitializeMethod ();
1359                 }
1360
1361                 void CallBaseFrameworkInitialize (CodeMemberMethod method)
1362                 {
1363                         CodeBaseReferenceExpression baseRef = new CodeBaseReferenceExpression ();
1364                         CodeMethodInvokeExpression invoke = new CodeMethodInvokeExpression (baseRef, "FrameworkInitialize");
1365                         method.Statements.Add (invoke);
1366                 }
1367
1368                 void CreateFrameworkInitializeMethod ()
1369                 {
1370                         CodeMemberMethod method = new CodeMemberMethod ();
1371                         method.Name = "FrameworkInitialize";
1372                         method.Attributes = MemberAttributes.Family | MemberAttributes.Override;
1373                         PrependStatementsToFrameworkInitialize (method);
1374                         CallBaseFrameworkInitialize (method);
1375                         AppendStatementsToFrameworkInitialize (method);
1376                         mainClass.Members.Add (method);
1377                 }
1378
1379                 protected virtual void PrependStatementsToFrameworkInitialize (CodeMemberMethod method)
1380                 {
1381                 }
1382
1383                 protected virtual void AppendStatementsToFrameworkInitialize (CodeMemberMethod method)
1384                 {
1385                         if (!parser.EnableViewState) {
1386                                 CodeAssignStatement stmt = new CodeAssignStatement ();
1387                                 stmt.Left = new CodePropertyReferenceExpression (thisRef, "EnableViewState");
1388                                 stmt.Right = new CodePrimitiveExpression (false);
1389                                 method.Statements.Add (stmt);
1390                         }
1391
1392                         CodeMethodReferenceExpression methodExpr;
1393                         methodExpr = new CodeMethodReferenceExpression (thisRef, "__BuildControlTree");
1394                         CodeMethodInvokeExpression expr = new CodeMethodInvokeExpression (methodExpr, thisRef);
1395                         method.Statements.Add (new CodeExpressionStatement (expr));
1396                 }
1397
1398                 protected override void AddApplicationAndSessionObjects ()
1399                 {
1400                         foreach (ObjectTagBuilder tag in GlobalAsaxCompiler.ApplicationObjects) {
1401                                 CreateFieldForObject (tag.Type, tag.ObjectID);
1402                                 CreateApplicationOrSessionPropertyForObject (tag.Type, tag.ObjectID, true, false);
1403                         }
1404
1405                         foreach (ObjectTagBuilder tag in GlobalAsaxCompiler.SessionObjects) {
1406                                 CreateApplicationOrSessionPropertyForObject (tag.Type, tag.ObjectID, false, false);
1407                         }
1408                 }
1409
1410                 protected void ProcessObjectTag (ObjectTagBuilder tag)
1411                 {
1412                         string fieldName = CreateFieldForObject (tag.Type, tag.ObjectID);
1413                         CreatePropertyForObject (tag.Type, tag.ObjectID, fieldName, false);
1414                 }
1415
1416                 void CreateProperties ()
1417                 {
1418                         if (!parser.AutoEventWireup) {
1419                                 CreateAutoEventWireup ();
1420                         } else {
1421                                 CreateAutoHandlers ();
1422                         }
1423
1424                         CreateApplicationInstance ();
1425                         CreateTemplateSourceDirectory ();
1426                 }
1427
1428                 void CreateTemplateSourceDirectory ()
1429                 {
1430                         CodeMemberProperty prop = new CodeMemberProperty ();
1431                         prop.Type = new CodeTypeReference (typeof (string));
1432                         prop.Name = "TemplateSourceDirectory";
1433                         prop.Attributes = MemberAttributes.Public | MemberAttributes.Override;
1434
1435                         // if ((this.Parent != null))
1436                         //   return this.Parent.TemplateSourceDirectory;
1437                         CodeFieldReferenceExpression parentField = new CodeFieldReferenceExpression ();
1438                         parentField.TargetObject = thisRef;
1439                         parentField.FieldName = "Parent";
1440
1441                         CodeFieldReferenceExpression tsdField = new CodeFieldReferenceExpression ();
1442                         tsdField.TargetObject = parentField;
1443                         tsdField.FieldName = "TemplateSourceDirectory";
1444
1445                         CodeMethodReturnStatement parentRet = new CodeMethodReturnStatement (tsdField);
1446                         CodeConditionStatement condStatement = new CodeConditionStatement (
1447                                 new CodeBinaryOperatorExpression (parentField,
1448                                                                   CodeBinaryOperatorType.IdentityInequality,
1449                                                                   new CodePrimitiveExpression (null)),
1450                                 parentRet);
1451
1452                         prop.GetStatements.Add (condStatement);
1453
1454                         string tsd, bvd = parser.BaseVirtualDir;
1455                         int len = bvd.Length;
1456                         if (len >= 2 && bvd [0] == '~') {
1457                                 if (bvd [1] == '/')
1458                                     tsd = bvd.Substring (1);
1459                                 else
1460                                     tsd = '/' + bvd.Substring (1);
1461                         } else if (len >= 1 && bvd [0] != '/')
1462                                 tsd = '/' + bvd;
1463                         else
1464                                 tsd = bvd;
1465                         CodePrimitiveExpression expr = new CodePrimitiveExpression (tsd);
1466                         prop.GetStatements.Add (new CodeMethodReturnStatement (expr));
1467                         mainClass.Members.Add (prop);
1468                 }
1469
1470                 void CreateApplicationInstance ()
1471                 {
1472                         CodeMemberProperty prop = new CodeMemberProperty ();
1473                         Type appType = typeof (HttpApplication);
1474                         prop.Type = new CodeTypeReference (appType);
1475                         prop.Name = "ApplicationInstance";
1476                         prop.Attributes = MemberAttributes.Family | MemberAttributes.Final;
1477
1478                         CodePropertyReferenceExpression propRef = new CodePropertyReferenceExpression (thisRef, "Context");
1479
1480                         propRef = new CodePropertyReferenceExpression (propRef, "ApplicationInstance");
1481
1482                         CodeCastExpression cast = new CodeCastExpression (appType.FullName, propRef);
1483                         prop.GetStatements.Add (new CodeMethodReturnStatement (cast));
1484 #if NET_2_0
1485                         if (partialClass != null)
1486                                 partialClass.Members.Add (prop);
1487                         else
1488 #endif
1489                         mainClass.Members.Add (prop);
1490                 }
1491
1492                 void CreateAutoHandlers ()
1493                 {
1494                         // Create AutoHandlers property
1495                         CodeMemberProperty prop = new CodeMemberProperty ();
1496                         prop.Type = new CodeTypeReference (typeof (int));
1497                         prop.Name = "AutoHandlers";
1498                         prop.Attributes = MemberAttributes.Family | MemberAttributes.Override;
1499
1500                         CodeMethodReturnStatement ret = new CodeMethodReturnStatement ();
1501                         CodeFieldReferenceExpression fldRef ;
1502                         fldRef = new CodeFieldReferenceExpression (mainClassExpr, "__autoHandlers");
1503                         ret.Expression = fldRef;
1504                         prop.GetStatements.Add (ret);
1505                         prop.SetStatements.Add (new CodeAssignStatement (fldRef, new CodePropertySetValueReferenceExpression ()));
1506
1507 #if NET_2_0
1508                         CodeAttributeDeclaration attr = new CodeAttributeDeclaration ("System.Obsolete");
1509                         prop.CustomAttributes.Add (attr);
1510 #endif
1511
1512                         mainClass.Members.Add (prop);
1513
1514                         // Add the __autoHandlers field
1515                         CodeMemberField fld = new CodeMemberField (typeof (int), "__autoHandlers");
1516                         fld.Attributes = MemberAttributes.Private | MemberAttributes.Static;
1517                         mainClass.Members.Add (fld);
1518                 }
1519
1520                 void CreateAutoEventWireup ()
1521                 {
1522                         // The getter returns false
1523                         CodeMemberProperty prop = new CodeMemberProperty ();
1524                         prop.Type = new CodeTypeReference (typeof (bool));
1525                         prop.Name = "SupportAutoEvents";
1526                         prop.Attributes = MemberAttributes.Family | MemberAttributes.Override;
1527                         prop.GetStatements.Add (new CodeMethodReturnStatement (new CodePrimitiveExpression (false)));
1528                         mainClass.Members.Add (prop);
1529                 }
1530
1531 #if NET_2_0
1532                 protected virtual string HandleUrlProperty (string str, MemberInfo member)
1533                 {
1534                         return str;
1535                 }
1536 #endif
1537
1538                 CodeExpression GetExpressionFromString (Type type, string str, MemberInfo member)
1539                 {
1540 #if NET_2_0
1541                         bool wasNullable = false;
1542
1543                         if (type.IsGenericType && type.GetGenericTypeDefinition() == typeof(Nullable<>)) {
1544                                 Type[] types = type.GetGenericArguments();
1545                                 type = types[0]; // we're interested only in the first type here
1546                                 wasNullable = true;
1547                         }
1548 #endif
1549
1550                         if (type == typeof (string)) {
1551 #if NET_2_0
1552                                 object[] urlAttr = member.GetCustomAttributes (typeof (UrlPropertyAttribute), true);
1553                                 if (urlAttr.Length != 0)
1554                                         str = HandleUrlProperty (str, member);
1555 #endif
1556                                 return new CodePrimitiveExpression (str);
1557                         }
1558
1559                         if (type == typeof (bool)) {
1560                                 if (str == null || str == "" || InvariantCompareNoCase (str, "true"))
1561                                         return new CodePrimitiveExpression (true);
1562                                 else if (InvariantCompareNoCase (str, "false"))
1563                                         return new CodePrimitiveExpression (false);
1564 #if NET_2_0
1565                                 else if (wasNullable && InvariantCompareNoCase(str, "null"))
1566                                         return new CodePrimitiveExpression (null);
1567 #endif
1568                                 else
1569                                         throw new ParseException (currentLocation,
1570                                                         "Value '" + str  + "' is not a valid boolean.");
1571                         }
1572
1573                         if (str == null)
1574                                 return new CodePrimitiveExpression (null);
1575
1576                         if (type.IsPrimitive)
1577                                 return new CodePrimitiveExpression (Convert.ChangeType (str, type, CultureInfo.InvariantCulture));
1578
1579                         if (type == typeof (string [])) {
1580                                 string [] subs = str.Split (',');
1581                                 CodeArrayCreateExpression expr = new CodeArrayCreateExpression ();
1582                                 expr.CreateType = new CodeTypeReference (typeof (string));
1583                                 foreach (string v in subs) {
1584                                         expr.Initializers.Add (new CodePrimitiveExpression (v.Trim ()));
1585                                 }
1586
1587                                 return expr;
1588                         }
1589
1590                         if (type == typeof (Color)){
1591                                 if (colorConverter == null)
1592                                         colorConverter = TypeDescriptor.GetConverter (typeof (Color));
1593
1594                                 if (str.Trim().Length == 0) {
1595                                         CodeTypeReferenceExpression ft = new CodeTypeReferenceExpression (typeof (Color));
1596                                         return new CodeFieldReferenceExpression (ft, "Empty");
1597                                 }
1598
1599                                 Color c;
1600                                 try {
1601                                         if (str.IndexOf (',') == -1) {
1602                                                 c = (Color) colorConverter.ConvertFromString (str);
1603                                         } else {
1604                                                 int [] argb = new int [4];
1605                                                 argb [0] = 255;
1606
1607                                                 string [] parts = str.Split (',');
1608                                                 int length = parts.Length;
1609                                                 if (length < 3)
1610                                                         throw new Exception ();
1611
1612                                                 int basei = (length == 4) ? 0 : 1;
1613                                                 for (int i = length - 1; i >= 0; i--) {
1614                                                         argb [basei + i] = (int) Byte.Parse (parts [i]);
1615                                                 }
1616                                                 c = Color.FromArgb (argb [0], argb [1], argb [2], argb [3]);
1617                                         }
1618                                 } catch (Exception e){
1619                                         // Hack: "LightGrey" is accepted, but only for ASP.NET, as the
1620                                         // TypeConverter for Color fails to ConvertFromString.
1621                                         // Hence this hack...
1622                                         if (InvariantCompareNoCase ("LightGrey", str)) {
1623                                                 c = Color.LightGray;
1624                                         } else {
1625                                                 throw new ParseException (currentLocation,
1626                                                         "Color " + str + " is not a valid color.", e);
1627                                         }
1628                                 }
1629
1630                                 if (c.IsKnownColor){
1631                                         CodeFieldReferenceExpression expr = new CodeFieldReferenceExpression ();
1632                                         if (c.IsSystemColor)
1633                                                 type = typeof (SystemColors);
1634
1635                                         expr.TargetObject = new CodeTypeReferenceExpression (type);
1636                                         expr.FieldName = c.Name;
1637                                         return expr;
1638                                 } else {
1639                                         CodeMethodReferenceExpression m = new CodeMethodReferenceExpression ();
1640                                         m.TargetObject = new CodeTypeReferenceExpression (type);
1641                                         m.MethodName = "FromArgb";
1642                                         CodeMethodInvokeExpression invoke = new CodeMethodInvokeExpression (m);
1643                                         invoke.Parameters.Add (new CodePrimitiveExpression (c.A));
1644                                         invoke.Parameters.Add (new CodePrimitiveExpression (c.R));
1645                                         invoke.Parameters.Add (new CodePrimitiveExpression (c.G));
1646                                         invoke.Parameters.Add (new CodePrimitiveExpression (c.B));
1647                                         return invoke;
1648                                 }
1649                         }
1650
1651                         TypeConverter converter = TypeDescriptor.GetProperties (member.DeclaringType) [member.Name].Converter;
1652
1653                         if (converter != null && converter.CanConvertFrom (typeof (string))) {
1654                                 object value = converter.ConvertFromInvariantString (str);
1655
1656                                 if (converter.CanConvertTo (typeof (InstanceDescriptor))) {
1657                                         InstanceDescriptor idesc = (InstanceDescriptor) converter.ConvertTo (value, typeof(InstanceDescriptor));
1658                                         return GenerateInstance (idesc, true);
1659                                 }
1660
1661                                 CodeExpression exp = GenerateObjectInstance (value, false);
1662                                 if (exp != null) return exp;
1663
1664                                 CodeMethodReferenceExpression m = new CodeMethodReferenceExpression ();
1665                                 m.TargetObject = new CodeTypeReferenceExpression (typeof (TypeDescriptor));
1666                                 m.MethodName = "GetConverter";
1667                                 CodeMethodInvokeExpression invoke = new CodeMethodInvokeExpression (m);
1668                                 CodeTypeReference tref = new CodeTypeReference (type);
1669                                 invoke.Parameters.Add (new CodeTypeOfExpression (tref));
1670
1671                                 invoke = new CodeMethodInvokeExpression (invoke, "ConvertFrom");
1672                                 invoke.Parameters.Add (new CodePrimitiveExpression (str));
1673
1674                                 return new CodeCastExpression (tref, invoke);
1675                         }
1676
1677                         Console.WriteLine ("Unknown type: " + type + " value: " + str);
1678
1679                         return new CodePrimitiveExpression (str);
1680                 }
1681
1682                 CodeExpression GenerateInstance (InstanceDescriptor idesc, bool throwOnError)
1683                 {
1684                         CodeExpression[] parameters = new CodeExpression [idesc.Arguments.Count];
1685                         int n = 0;
1686                         foreach (object ob in idesc.Arguments) {
1687                                 CodeExpression exp = GenerateObjectInstance (ob, throwOnError);
1688                                 if (exp == null) return null;
1689                                 parameters [n++] = exp;
1690                         }
1691
1692                         switch (idesc.MemberInfo.MemberType) {
1693                         case MemberTypes.Constructor:
1694                                 CodeTypeReference tob = new CodeTypeReference (idesc.MemberInfo.DeclaringType);
1695                                 return new CodeObjectCreateExpression (tob, parameters);
1696
1697                         case MemberTypes.Method:
1698                                 CodeTypeReferenceExpression mt = new CodeTypeReferenceExpression (idesc.MemberInfo.DeclaringType);
1699                                 return new CodeMethodInvokeExpression (mt, idesc.MemberInfo.Name, parameters);
1700
1701                         case MemberTypes.Field:
1702                                 CodeTypeReferenceExpression ft = new CodeTypeReferenceExpression (idesc.MemberInfo.DeclaringType);
1703                                 return new CodeFieldReferenceExpression (ft, idesc.MemberInfo.Name);
1704
1705                         case MemberTypes.Property:
1706                                 CodeTypeReferenceExpression pt = new CodeTypeReferenceExpression (idesc.MemberInfo.DeclaringType);
1707                                 return new CodePropertyReferenceExpression (pt, idesc.MemberInfo.Name);
1708                         }
1709                         throw new ParseException (currentLocation, "Invalid instance type.");
1710                 }
1711
1712                 CodeExpression GenerateObjectInstance (object value, bool throwOnError)
1713                 {
1714                         if (value == null)
1715                                 return new CodePrimitiveExpression (null);
1716
1717                         Type t = value.GetType();
1718                         if (t.IsPrimitive || value is string)
1719                                 return new CodePrimitiveExpression (value);
1720
1721                         if (t.IsArray) {
1722                                 Array ar = (Array) value;
1723                                 CodeExpression[] items = new CodeExpression [ar.Length];
1724                                 for (int n=0; n<ar.Length; n++) {
1725                                         CodeExpression exp = GenerateObjectInstance (ar.GetValue (n), throwOnError);
1726                                         if (exp == null) return null;
1727                                         items [n] = exp;
1728                                 }
1729                                 return new CodeArrayCreateExpression (new CodeTypeReference (t), items);
1730                         }
1731
1732                         TypeConverter converter = TypeDescriptor.GetConverter (t);
1733                         if (converter != null && converter.CanConvertTo (typeof (InstanceDescriptor))) {
1734                                 InstanceDescriptor idesc = (InstanceDescriptor) converter.ConvertTo (value, typeof(InstanceDescriptor));
1735                                 return GenerateInstance (idesc, throwOnError);
1736                         }
1737
1738                         InstanceDescriptor desc = GetDefaultInstanceDescriptor (value);
1739                         if (desc != null) return GenerateInstance (desc, throwOnError);
1740
1741                         if (throwOnError)
1742                                 throw new ParseException (currentLocation, "Cannot generate an instance for the type: " + t);
1743                         else
1744                                 return null;
1745                 }
1746
1747                 InstanceDescriptor GetDefaultInstanceDescriptor (object value)
1748                 {
1749                         if (value is System.Web.UI.WebControls.Unit) {
1750                                 System.Web.UI.WebControls.Unit s = (System.Web.UI.WebControls.Unit) value;
1751                                 ConstructorInfo c = typeof(System.Web.UI.WebControls.Unit).GetConstructor (
1752                                         BindingFlags.Instance | BindingFlags.Public,
1753                                         null,
1754                                         new Type[] {typeof(double), typeof(System.Web.UI.WebControls.UnitType)},
1755                                         null);
1756
1757                                 return new InstanceDescriptor (c, new object[] {s.Value, s.Type});
1758                         }
1759
1760                         if (value is System.Web.UI.WebControls.FontUnit) {
1761                                 System.Web.UI.WebControls.FontUnit s = (System.Web.UI.WebControls.FontUnit) value;
1762                                 ConstructorInfo c = typeof(System.Web.UI.WebControls.FontUnit).GetConstructor (
1763                                         BindingFlags.Instance | BindingFlags.Public,
1764                                         null,
1765                                         new Type[] {typeof(System.Web.UI.WebControls.Unit)},
1766                                         null);
1767                                 return new InstanceDescriptor (c, new object[] {s.Unit});
1768                         }
1769                         return null;
1770                 }
1771         }
1772 }
1773
1774
1775