mcs/class/System.Web/System.Web.UI/TemplateParser.cs

   1 //
   2 // System.Web.UI.TemplateParser
   3 //
   4 // Authors:
   5 //      Duncan Mak (duncan@ximian.com)
   6 //      Gonzalo Paniagua Javier (gonzalo@ximian.com)
   7 //
   8 // (C) 2002,2003 Ximian, Inc. (http://www.ximian.com)
   9 // Copyright (C) 2005 Novell, Inc (http://www.novell.com)
  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
  31 using System.CodeDom.Compiler;
  32 using System.Collections;
  33 using System.IO;
  34 using System.Reflection;
  35 using System.Security.Permissions;
  36 using System.Web.Compilation;
  37 using System.Web.Configuration;
  38 using System.Web.Util;
  39
  40 namespace System.Web.UI {
  41
  42         // CAS
  43         [AspNetHostingPermission (SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
  44         [AspNetHostingPermission (SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.Minimal)]
  45         public abstract class TemplateParser : BaseParser
  46         {
  47                 string inputFile;
  48                 string text;
  49                 string privateBinPath;
  50                 Hashtable mainAttributes;
  51                 ArrayList dependencies;
  52                 ArrayList assemblies;
  53                 Hashtable anames;
  54                 ArrayList imports;
  55                 ArrayList interfaces;
  56                 ArrayList scripts;
  57                 Type baseType;
  58                 string className;
  59                 RootBuilder rootBuilder;
  60                 bool debug;
  61                 string compilerOptions;
  62                 string language;
  63                 bool strictOn = false;
  64                 bool explicitOn = false;
  65                 bool output_cache;
  66                 int oc_duration;
  67                 string oc_header, oc_custom, oc_param, oc_controls;
  68                 bool oc_shared;
  69                 OutputCacheLocation oc_location;
  70 #if NET_2_0
  71                 string src;
  72                 string partialClassName;
  73 #endif
  74                 Assembly srcAssembly;
  75                 int appAssemblyIndex = -1;
  76
  77                 internal TemplateParser ()
  78                 {
  79                         imports = new ArrayList ();
  80                         imports.Add ("System");
  81                         imports.Add ("System.Collections");
  82                         imports.Add ("System.Collections.Specialized");
  83                         imports.Add ("System.Configuration");
  84                         imports.Add ("System.Text");
  85                         imports.Add ("System.Text.RegularExpressions");
  86                         imports.Add ("System.Web");
  87                         imports.Add ("System.Web.Caching");
  88                         imports.Add ("System.Web.Security");
  89                         imports.Add ("System.Web.SessionState");
  90                         imports.Add ("System.Web.UI");
  91                         imports.Add ("System.Web.UI.WebControls");
  92                         imports.Add ("System.Web.UI.HtmlControls");
  93
  94                         assemblies = new ArrayList ();
  95 #if NET_2_0
  96                         bool addAssembliesInBin = false;
  97                         foreach (AssemblyInfo info in CompilationConfig.Assemblies) {
  98                                 if (info.Assembly == "*")
  99                                         addAssembliesInBin = true;
 100                                 else
 101                                         AddAssemblyByName (info.Assembly);
 102                         }
 103                         if (addAssembliesInBin)
 104                                 AddAssembliesInBin ();
 105
 106                         foreach (NamespaceInfo info in PagesConfig.Namespaces) {
 107                                 imports.Add (info.Namespace);
 108                         }
 109 #else
 110                         foreach (string a in CompilationConfig.Assemblies)
 111                                 AddAssemblyByName (a);
 112                         if (CompilationConfig.AssembliesInBin)
 113                                 AddAssembliesInBin ();
 114 #endif
 115
 116                         language = CompilationConfig.DefaultLanguage;
 117                 }
 118
 119                 internal void AddApplicationAssembly ()
 120                 {
 121                         string location = Context.ApplicationInstance.AssemblyLocation;
 122                         if (location != typeof (TemplateParser).Assembly.Location) {
 123                                 appAssemblyIndex = assemblies.Add (location);
 124                         }
 125                 }
 126
 127                 protected abstract Type CompileIntoType ();
 128
 129                 internal virtual void HandleOptions (object obj)
 130                 {
 131                 }
 132
 133                 internal static string GetOneKey (Hashtable tbl)
 134                 {
 135                         foreach (object key in tbl.Keys)
 136                                 return key.ToString ();
 137
 138                         return null;
 139                 }
 140
 141                 internal virtual void AddDirective (string directive, Hashtable atts)
 142                 {
 143                         if (String.Compare (directive, DefaultDirectiveName, true) == 0) {
 144                                 if (mainAttributes != null)
 145                                         ThrowParseException ("Only 1 " + DefaultDirectiveName + " is allowed");
 146
 147                                 mainAttributes = atts;
 148                                 ProcessMainAttributes (mainAttributes);
 149                                 return;
 150                         }
 151
 152                         int cmp = String.Compare ("Assembly", directive, true);
 153                         if (cmp == 0) {
 154                                 string name = GetString (atts, "Name", null);
 155                                 string src = GetString (atts, "Src", null);
 156
 157                                 if (atts.Count > 0)
 158                                         ThrowParseException ("Attribute " + GetOneKey (atts) + " unknown.");
 159
 160                                 if (name == null && src == null)
 161                                         ThrowParseException ("You gotta specify Src or Name");
 162
 163                                 if (name != null && src != null)
 164                                         ThrowParseException ("Src and Name cannot be used together");
 165
 166                                 if (name != null) {
 167                                         AddAssemblyByName (name);
 168                                 } else {
 169                                         GetAssemblyFromSource (src);
 170                                 }
 171
 172                                 return;
 173                         }
 174
 175                         cmp = String.Compare ("Import", directive, true);
 176                         if (cmp == 0) {
 177                                 string namesp = GetString (atts, "Namespace", null);
 178                                 if (atts.Count > 0)
 179                                         ThrowParseException ("Attribute " + GetOneKey (atts) + " unknown.");
 180
 181                                 if (namesp != null && namesp != "")
 182                                         AddImport (namesp);
 183                                 return;
 184                         }
 185
 186                         cmp = String.Compare ("Implements", directive, true);
 187                         if (cmp == 0) {
 188                                 string ifacename = GetString (atts, "Interface", "");
 189
 190                                 if (atts.Count > 0)
 191                                         ThrowParseException ("Attribute " + GetOneKey (atts) + " unknown.");
 192
 193                                 Type iface = LoadType (ifacename);
 194                                 if (iface == null)
 195                                         ThrowParseException ("Cannot find type " + ifacename);
 196
 197                                 if (!iface.IsInterface)
 198                                         ThrowParseException (iface + " is not an interface");
 199
 200                                 AddInterface (iface.FullName);
 201                                 return;
 202                         }
 203
 204                         cmp = String.Compare ("OutputCache", directive, true);
 205                         if (cmp == 0) {
 206                                 output_cache = true;
 207
 208                                 if (atts ["Duration"] == null)
 209                                         ThrowParseException ("The directive is missing a 'duration' attribute.");
 210                                 if (atts ["VaryByParam"] == null)
 211                                         ThrowParseException ("This directive is missing a 'VaryByParam' " +
 212                                                         "attribute, which should be set to \"none\", \"*\", " +
 213                                                         "or a list of name/value pairs.");
 214
 215                                 foreach (DictionaryEntry entry in atts) {
 216                                         string key = (string) entry.Key;
 217                                         switch (key.ToLower ()) {
 218                                         case "duration":
 219                                                 oc_duration = Int32.Parse ((string) entry.Value);
 220                                                 if (oc_duration < 1)
 221                                                         ThrowParseException ("The 'duration' attribute must be set " +
 222                                                                         "to a positive integer value");
 223                                                 break;
 224                                         case "varybyparam":
 225                                                 oc_param = (string) entry.Value;
 226                                                 if (String.Compare (oc_param, "none") == 0)
 227                                                         oc_param = null;
 228                                                 break;
 229                                         case "varybyheader":
 230                                                 oc_header = (string) entry.Value;
 231                                                 break;
 232                                         case "varybycustom":
 233                                                 oc_custom = (string) entry.Value;
 234                                                 break;
 235                                         case "location":
 236                                                 if (!(this is PageParser))
 237                                                         goto default;
 238
 239                                                 try {
 240                                                         oc_location = (OutputCacheLocation) Enum.Parse (
 241                                                                 typeof (OutputCacheLocation), (string) entry.Value, true);
 242                                                 } catch {
 243                                                         ThrowParseException ("The 'location' attribute is case sensitive and " +
 244                                                                         "must be one of the following values: Any, Client, " +
 245                                                                         "Downstream, Server, None, ServerAndClient.");
 246                                                 }
 247                                                 break;
 248                                         case "varybycontrol":
 249                                                 if (this is PageParser)
 250                                                         goto default;
 251
 252                                                 oc_controls = (string) entry.Value;
 253                                                 break;
 254                                         case "shared":
 255                                                 if (this is PageParser)
 256                                                         goto default;
 257
 258                                                 try {
 259                                                         oc_shared = Boolean.Parse ((string) entry.Value);
 260                                                 } catch {
 261                                                         ThrowParseException ("The 'shared' attribute is case sensitive" +
 262                                                                         " and must be set to 'true' or 'false'.");
 263                                                 }
 264                                                 break;
 265                                         default:
 266                                                 ThrowParseException ("The '" + key + "' attribute is not " +
 267                                                                 "supported by the 'Outputcache' directive.");
 268                                                 break;
 269                                         }
 270
 271                                 }
 272
 273                                 return;
 274                         }
 275
 276                         ThrowParseException ("Unknown directive: " + directive);
 277                 }
 278
 279                 internal Type LoadType (string typeName)
 280                 {
 281                         // First try loaded assemblies, then try assemblies in Bin directory.
 282                         Type type = null;
 283                         bool seenBin = false;
 284                         Assembly [] assemblies = AppDomain.CurrentDomain.GetAssemblies ();
 285                         foreach (Assembly ass in assemblies) {
 286                                 type = ass.GetType (typeName);
 287                                 if (type == null)
 288                                         continue;
 289
 290                                 if (Path.GetDirectoryName (ass.Location) != PrivateBinPath) {
 291                                         AddAssembly (ass, true);
 292                                 } else {
 293                                         seenBin = true;
 294                                 }
 295
 296                                 AddDependency (ass.Location);
 297                                 return type;
 298                         }
 299
 300                         if (seenBin)
 301                                 return null;
 302
 303                         // Load from bin
 304                         if (!Directory.Exists (PrivateBinPath))
 305                                 return null;
 306
 307                         string [] binDlls = Directory.GetFiles (PrivateBinPath, "*.dll");
 308                         foreach (string s in binDlls) {
 309                                 Assembly binA = Assembly.LoadFrom (s);
 310                                 type = binA.GetType (typeName);
 311                                 if (type == null)
 312                                         continue;
 313
 314                                 AddDependency (binA.Location);
 315                                 return type;
 316                         }
 317
 318                         return null;
 319                 }
 320
 321                 void AddAssembliesInBin ()
 322                 {
 323                         if (!Directory.Exists (PrivateBinPath))
 324                                 return;
 325
 326                         string [] binDlls = Directory.GetFiles (PrivateBinPath, "*.dll");
 327                         foreach (string s in binDlls) {
 328                                 assemblies.Add (s);
 329                         }
 330                 }
 331
 332                 internal virtual void AddInterface (string iface)
 333                 {
 334                         if (interfaces == null)
 335                                 interfaces = new ArrayList ();
 336
 337                         if (!interfaces.Contains (iface))
 338                                 interfaces.Add (iface);
 339                 }
 340
 341                 internal virtual void AddImport (string namesp)
 342                 {
 343                         if (imports == null)
 344                                 imports = new ArrayList ();
 345
 346                         if (!imports.Contains (namesp))
 347                                 imports.Add (namesp);
 348                 }
 349
 350                 internal virtual void AddSourceDependency (string filename)
 351                 {
 352                         if (dependencies != null && dependencies.Contains (filename)) {
 353                                 ThrowParseException ("Circular file references are not allowed. File: " + filename);
 354                         }
 355
 356                         AddDependency (filename);
 357                 }
 358
 359                 internal virtual void AddDependency (string filename)
 360                 {
 361                         if (filename == "")
 362                                 return;
 363
 364                         if (dependencies == null)
 365                                 dependencies = new ArrayList ();
 366
 367                         if (!dependencies.Contains (filename))
 368                                 dependencies.Add (filename);
 369                 }
 370
 371                 internal virtual void AddAssembly (Assembly assembly, bool fullPath)
 372                 {
 373                         if (assembly.Location == "")
 374                                 return;
 375
 376                         if (anames == null)
 377                                 anames = new Hashtable ();
 378
 379                         string name = assembly.GetName ().Name;
 380                         string loc = assembly.Location;
 381                         if (fullPath) {
 382                                 if (!assemblies.Contains (loc)) {
 383                                         assemblies.Add (loc);
 384                                 }
 385
 386                                 anames [name] = loc;
 387                                 anames [loc] = assembly;
 388                         } else {
 389                                 if (!assemblies.Contains (name)) {
 390                                         assemblies.Add (name);
 391                                 }
 392
 393                                 anames [name] = assembly;
 394                         }
 395                 }
 396
 397                 internal virtual Assembly AddAssemblyByFileName (string filename)
 398                 {
 399                         Assembly assembly = null;
 400                         Exception error = null;
 401
 402                         try {
 403                                 assembly = Assembly.LoadFrom (filename);
 404                         } catch (Exception e) { error = e; }
 405
 406                         if (assembly == null)
 407                                 ThrowParseException ("Assembly " + filename + " not found", error);
 408
 409                         AddAssembly (assembly, true);
 410                         return assembly;
 411                 }
 412
 413                 internal virtual Assembly AddAssemblyByName (string name)
 414                 {
 415                         if (anames == null)
 416                                 anames = new Hashtable ();
 417
 418                         if (anames.Contains (name)) {
 419                                 object o = anames [name];
 420                                 if (o is string)
 421                                         o = anames [o];
 422
 423                                 return (Assembly) o;
 424                         }
 425
 426                         Assembly assembly = null;
 427                         Exception error = null;
 428                         if (name.IndexOf (',') != -1) {
 429                                 try {
 430                                         assembly = Assembly.Load (name);
 431                                 } catch (Exception e) { error = e; }
 432                         }
 433
 434                         if (assembly == null) {
 435                                 try {
 436                                         assembly = Assembly.LoadWithPartialName (name);
 437                                 } catch (Exception e) { error = e; }
 438                         }
 439
 440                         if (assembly == null)
 441                                 ThrowParseException ("Assembly " + name + " not found", error);
 442
 443                         AddAssembly (assembly, true);
 444                         return assembly;
 445                 }
 446
 447                 internal virtual void ProcessMainAttributes (Hashtable atts)
 448                 {
 449                         atts.Remove ("Description"); // ignored
 450 #if NET_1_1
 451                         atts.Remove ("CodeBehind");  // ignored
 452 #endif
 453                         atts.Remove ("AspCompat"); // ignored
 454
 455                         debug = GetBool (atts, "Debug", true);
 456                         compilerOptions = GetString (atts, "CompilerOptions", "");
 457                         language = GetString (atts, "Language", CompilationConfig.DefaultLanguage);
 458                         strictOn = GetBool (atts, "Strict", CompilationConfig.Strict);
 459                         explicitOn = GetBool (atts, "Explicit", CompilationConfig.Explicit);
 460
 461                         string inherits = GetString (atts, "Inherits", null);
 462 #if NET_2_0
 463                         // In ASP 2, the source file is actually integrated with
 464                         // the generated file via the use of partial classes. This
 465                         // means that the code file has to be confirmed, but not
 466                         // used at this point.
 467                         src = GetString (atts, "CodeFile", null);
 468
 469                         if (src != null && inherits != null) {
 470                                 // Make sure the source exists
 471                                 src = UrlUtils.Combine (BaseVirtualDir, src);
 472                                 string realPath = MapPath (src, false);
 473                                 if (!File.Exists (realPath))
 474                                         ThrowParseException ("File " + src + " not found");
 475
 476                                 // Verify that the inherits is a valid identify not a
 477                                 // fully-qualified name.
 478                                 if (!CodeGenerator.IsValidLanguageIndependentIdentifier (inherits))
 479                                         ThrowParseException (String.Format ("'{0}' is not valid for 'inherits'", inherits));
 480
 481                                 // We are going to create a partial class that shares
 482                                 // the same name as the inherits tag, so reset the
 483                                 // name. The base type is changed because it is the
 484                                 // code file's responsibilty to extend the classes
 485                                 // needed.
 486                                 partialClassName = inherits;
 487
 488                                 // Add the code file as an option to the
 489                                 // compiler. This lets both files be compiled at once.
 490                                 compilerOptions += " \"" + realPath + "\"";
 491                         } else if (inherits != null) {
 492                                 // We just set the inherits directly because this is a
 493                                 // Single-Page model.
 494                                 SetBaseType (inherits);
 495                         }
 496 #else
 497                         string src = GetString (atts, "Src", null);
 498
 499                         if (src != null)
 500                                 srcAssembly = GetAssemblyFromSource (src);
 501
 502                         if (inherits != null)
 503                                 SetBaseType (inherits);
 504
 505                         className = GetString (atts, "ClassName", null);
 506                         if (className != null && !CodeGenerator.IsValidLanguageIndependentIdentifier (className))
 507                                 ThrowParseException (String.Format ("'{0}' is not valid for 'className'", className));
 508 #endif
 509
 510                         if (atts.Count > 0)
 511                                 ThrowParseException ("Unknown attribute: " + GetOneKey (atts));
 512                 }
 513
 514                 internal void SetBaseType (string type)
 515                 {
 516                         if (type == DefaultBaseTypeName)
 517                                 return;
 518
 519                         Type parent = null;
 520                         if (srcAssembly != null)
 521                                 parent = srcAssembly.GetType (type);
 522
 523                         if (parent == null)
 524                                 parent = LoadType (type);
 525
 526                         if (parent == null)
 527                                 ThrowParseException ("Cannot find type " + type);
 528
 529                         if (!DefaultBaseType.IsAssignableFrom (parent))
 530                                 ThrowParseException ("The parent type does not derive from " + DefaultBaseType);
 531
 532                         baseType = parent;
 533                 }
 534
 535                 Assembly GetAssemblyFromSource (string vpath)
 536                 {
 537                         vpath = UrlUtils.Combine (BaseVirtualDir, vpath);
 538                         string realPath = MapPath (vpath, false);
 539                         if (!File.Exists (realPath))
 540                                 ThrowParseException ("File " + vpath + " not found");
 541
 542                         AddSourceDependency (realPath);
 543
 544                         CompilerResults result = CachingCompiler.Compile (language, realPath, realPath, assemblies);
 545                         if (result.NativeCompilerReturnValue != 0) {
 546                                 StreamReader reader = new StreamReader (realPath);
 547                                 throw new CompilationException (realPath, result.Errors, reader.ReadToEnd ());
 548                         }
 549
 550                         AddAssembly (result.CompiledAssembly, true);
 551                         return result.CompiledAssembly;
 552                 }
 553
 554                 internal abstract Type DefaultBaseType { get; }
 555                 internal abstract string DefaultBaseTypeName { get; }
 556                 internal abstract string DefaultDirectiveName { get; }
 557
 558                 internal string InputFile
 559                 {
 560                         get { return inputFile; }
 561                         set { inputFile = value; }
 562                 }
 563
 564 #if NET_2_0
 565                 internal bool IsPartial
 566                 {
 567                         get { return src != null; }
 568                 }
 569
 570                 internal string PartialClassName
 571                 {
 572                         get { return partialClassName; }
 573                 }
 574 #endif
 575
 576                 internal string Text
 577                 {
 578                         get { return text; }
 579                         set { text = value; }
 580                 }
 581
 582                 internal Type BaseType
 583                 {
 584                         get {
 585                                 if (baseType == null)
 586                                         baseType = DefaultBaseType;
 587
 588                                 return baseType;
 589                         }
 590                 }
 591
 592                 internal string ClassName {
 593                         get {
 594                                 if (className != null)
 595                                         return className;
 596
 597                                 className = Path.GetFileName (inputFile).Replace ('.', '_');
 598                                 className = className.Replace ('-', '_');
 599                                 className = className.Replace (' ', '_');
 600
 601                                 if (Char.IsDigit(className[0])) {
 602                                         className = "_" + className;
 603                                 }
 604
 605                                 return className;
 606                         }
 607                 }
 608
 609                 internal string PrivateBinPath {
 610                         get {
 611                                 if (privateBinPath != null)
 612                                         return privateBinPath;
 613
 614                                 AppDomainSetup setup = AppDomain.CurrentDomain.SetupInformation;
 615                                 privateBinPath = Path.Combine (setup.ApplicationBase, setup.PrivateBinPath);
 616
 617                                 return privateBinPath;
 618                         }
 619                 }
 620
 621                 internal ArrayList Scripts {
 622                         get {
 623                                 if (scripts == null)
 624                                         scripts = new ArrayList ();
 625
 626                                 return scripts;
 627                         }
 628                 }
 629
 630                 internal ArrayList Imports {
 631                         get { return imports; }
 632                 }
 633
 634                 internal ArrayList Assemblies {
 635                         get {
 636                                 if (appAssemblyIndex != -1) {
 637                                         object o = assemblies [appAssemblyIndex];
 638                                         assemblies.RemoveAt (appAssemblyIndex);
 639                                         assemblies.Add (o);
 640                                         appAssemblyIndex = -1;
 641                                 }
 642
 643                                 return assemblies;
 644                         }
 645                 }
 646
 647                 internal ArrayList Interfaces {
 648                         get { return interfaces; }
 649                 }
 650
 651                 internal RootBuilder RootBuilder {
 652                         get { return rootBuilder; }
 653                         set { rootBuilder = value; }
 654                 }
 655
 656                 internal ArrayList Dependencies {
 657                         get { return dependencies; }
 658                         set { dependencies = value; }
 659                 }
 660
 661                 internal string CompilerOptions {
 662                         get { return compilerOptions; }
 663                 }
 664
 665                 internal string Language {
 666                         get { return language; }
 667                 }
 668
 669                 internal bool StrictOn {
 670                         get { return strictOn; }
 671                 }
 672
 673                 internal bool ExplicitOn {
 674                         get { return explicitOn; }
 675                 }
 676
 677                 internal bool Debug {
 678                         get { return debug; }
 679                 }
 680
 681                 internal bool OutputCache {
 682                         get { return output_cache; }
 683                 }
 684
 685                 internal int OutputCacheDuration {
 686                         get { return oc_duration; }
 687                 }
 688
 689                 internal string OutputCacheVaryByHeader {
 690                         get { return oc_header; }
 691                 }
 692
 693                 internal string OutputCacheVaryByCustom {
 694                         get { return oc_custom; }
 695                 }
 696
 697                 internal string OutputCacheVaryByControls {
 698                         get { return oc_controls; }
 699                 }
 700
 701                 internal bool OutputCacheShared {
 702                         get { return oc_shared; }
 703                 }
 704
 705                 internal OutputCacheLocation OutputCacheLocation {
 706                         get { return oc_location; }
 707                 }
 708
 709                 internal string OutputCacheVaryByParam {
 710                         get { return oc_param; }
 711                 }
 712
 713 #if NET_2_0
 714                 internal PagesSection PagesConfig {
 715                         get {
 716                                 return WebConfigurationManager.GetSection ("system.web/pages") as PagesSection;
 717                         }
 718                 }
 719 #else
 720                 internal PagesConfiguration PagesConfig {
 721                         get { return PagesConfiguration.GetInstance (Context); }
 722                 }
 723 #endif
 724         }
 725 }
 726