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