mcs/class/System.Web/System.Web.Configuration/CompilationConfigurationHandler.cs

   1 //
   2 // System.Web.Configuration.CompilationConfigurationHandler
   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
  31 using System;
  32 using System.Collections;
  33 using System.Configuration;
  34 using System.Xml;
  35
  36 namespace System.Web.Configuration
  37 {
  38         class CompilationConfigurationHandler : IConfigurationSectionHandler
  39         {
  40                 public object Create (object parent, object context, XmlNode section)
  41                 {
  42                         CompilationConfiguration config = new CompilationConfiguration (parent);
  43
  44                         config.TempDirectory = AttValue ("tempDirectory", section, true);
  45                         config.DefaultLanguage = AttValue ("defaultLanguage", section);
  46                         if (config.DefaultLanguage == null)
  47                                 config.DefaultLanguage = "c#";
  48
  49                         config.Debug = AttBoolValue ("debug", section, false);
  50                         config.Batch = AttBoolValue ("batch", section, false);
  51                         config.Explicit = AttBoolValue ("explicit", section, true);
  52                         config.Strict = AttBoolValue ("strict", section, false);
  53                         config.BatchTimeout = AttUIntValue ("batchTimeout", section, 0);
  54                         config.MaxBatchSize = AttUIntValue ("maxBatchSize", section, 0);
  55                         config.MaxBatchFileSize = AttUIntValue ("maxBatchFileSize", section, 0);
  56                         config.NumRecompilesBeforeAppRestart =
  57                                         AttUIntValue ("numRecompilesBeforeAppRestart", section, 15);
  58
  59                         if (section.Attributes != null && section.Attributes.Count != 0)
  60                                 ThrowException ("Unrecognized attribute.", section);
  61
  62                         XmlNodeList authNodes = section.ChildNodes;
  63                         foreach (XmlNode child in authNodes) {
  64                                 XmlNodeType ntype = child.NodeType;
  65                                 if (ntype != XmlNodeType.Element)
  66                                         continue;
  67
  68                                 if (child.Name == "compilers") {
  69                                         ReadCompilers (child.ChildNodes, config);
  70                                         continue;
  71                                 }
  72
  73                                 if (child.Name == "assemblies") {
  74                                         ReadAssemblies (child.ChildNodes, config);
  75                                         continue;
  76                                 }
  77
  78                                 ThrowException ("Unexpected element", child);
  79                         }
  80
  81                         return config;
  82                 }
  83
  84                 static void ReadCompilers (XmlNodeList nodes, CompilationConfiguration config)
  85                 {
  86                         foreach (XmlNode child in nodes) {
  87                                 XmlNodeType ntype = child.NodeType;
  88                                 if (ntype != XmlNodeType.Element)
  89                                         continue;
  90
  91                                 if (child.Name != "compiler")
  92                                         ThrowException ("Unexpected element", child);
  93
  94                                 WebCompiler compiler = new WebCompiler ();
  95                                 compiler.Languages = AttValue ("language", child);
  96                                 compiler.Extension = AttValue ("extension", child);
  97                                 compiler.Type = AttValue ("type", child);
  98                                 compiler.CompilerOptions = AttValue ("compilerOptions", child, true, true);
  99                                 compiler.WarningLevel = AttUIntValue ("warningLevel", child, 0);
 100                                 config.Compilers [compiler.Languages] = compiler;
 101                         }
 102                 }
 103
 104                 static void ReadAssemblies (XmlNodeList nodes, CompilationConfiguration config)
 105                 {
 106                         ArrayList assemblies = config.Assemblies;
 107
 108                         foreach (XmlNode child in nodes) {
 109                                 XmlNodeType ntype = child.NodeType;
 110                                 if (ntype != XmlNodeType.Element)
 111                                         continue;
 112
 113                                 if (child.Name == "clear") {
 114                                         assemblies.Clear ();
 115                                         config.AssembliesInBin = false;
 116                                         continue;
 117                                 }
 118
 119                                 string aname = AttValue ("assembly", child);
 120                                 if (child.Name == "add") {
 121                                         if (aname == "*") {
 122                                                 config.AssembliesInBin = true;
 123                                                 continue;
 124                                         }
 125
 126                                         aname = ShortAsmName (aname);
 127                                         if (!assemblies.Contains (aname))
 128                                                 assemblies.Add (aname);
 129
 130                                         continue;
 131                                 }
 132
 133                                 if (child.Name == "remove") {
 134                                         if (aname == "*") {
 135                                                 config.AssembliesInBin = false;
 136                                                 continue;
 137                                         }
 138                                         aname = ShortAsmName (aname);
 139                                         assemblies.Remove (aname);
 140                                         continue;
 141                                 }
 142
 143                                 ThrowException ("Unexpected element " + child.Name, child);
 144                         }
 145                 }
 146
 147                 static string AttValue (string name, XmlNode node, bool optional)
 148                 {
 149                         return AttValue (name, node, optional, false);
 150                 }
 151
 152                 static string AttValue (string name, XmlNode node, bool optional, bool allowEmpty)
 153                 {
 154                         return HandlersUtil.ExtractAttributeValue (name, node, optional, allowEmpty);
 155                 }
 156
 157                 static bool AttBoolValue (string name, XmlNode node, bool _default)
 158                 {
 159                         string v = AttValue (name, node, true);
 160                         if (v == null)
 161                                 return _default;
 162
 163                         bool result = (v == "true");
 164                         if (!result && v != "false")
 165                                 ThrowException ("Invalid boolean value in " + name, node);
 166
 167                         return result;
 168                 }
 169
 170                 static int AttUIntValue (string name, XmlNode node, int _default)
 171                 {
 172                         string v = AttValue (name, node, true);
 173                         if (v == null)
 174                                 return _default;
 175
 176                         int result = 0;
 177                         try {
 178                                 result = (int) UInt32.Parse (v);
 179                         } catch {
 180                                 ThrowException ("Invalid number in " + name, node);
 181                         }
 182
 183                         return result;
 184                 }
 185
 186                 static string AttValue (string name, XmlNode node)
 187                 {
 188                         return HandlersUtil.ExtractAttributeValue (name, node, true);
 189                 }
 190
 191                 private static string ShortAsmName (string long_name)
 192                 {
 193                         int i = long_name.IndexOf (',');
 194                         if (i < 0)
 195                                 return long_name + ".dll";
 196                         return long_name.Substring (0, i) + ".dll";
 197                 }
 198
 199                 static void ThrowException (string message, XmlNode node)
 200                 {
 201                         HandlersUtil.ThrowException (message, node);
 202                 }
 203         }
 204 }
 205