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                         config.TempDirectory = AttValue ("tempDirectory", section, true);
  44                         config.DefaultLanguage = AttValue ("defaultLanguage", section);
  45                         if (config.DefaultLanguage == null)
  46                                 config.DefaultLanguage = "c#";
  47
  48                         config.Debug = AttBoolValue ("debug", section, false);
  49                         config.Batch = AttBoolValue ("batch", section, false);
  50                         config.Explicit = AttBoolValue ("explicit", section, true);
  51                         config.Strict = AttBoolValue ("strict", section, false);
  52                         config.BatchTimeout = AttUIntValue ("batchTimeout", section, 0);
  53                         config.MaxBatchSize = AttUIntValue ("maxBatchSize", section, 0);
  54                         config.MaxBatchFileSize = AttUIntValue ("maxBatchFileSize", section, 0);
  55                         config.NumRecompilesBeforeAppRestart =
  56                                         AttUIntValue ("numRecompilesBeforeAppRestart", section, 15);
  57
  58                         if (section.Attributes != null && section.Attributes.Count != 0)
  59                                 ThrowException ("Unrecognized attribute.", section);
  60
  61                         XmlNodeList authNodes = section.ChildNodes;
  62                         foreach (XmlNode child in authNodes) {
  63                                 XmlNodeType ntype = child.NodeType;
  64                                 if (ntype != XmlNodeType.Element)
  65                                         continue;
  66
  67                                 if (child.Name == "compilers") {
  68                                         ReadCompilers (child.ChildNodes, config);
  69                                         continue;
  70                                 }
  71
  72                                 if (child.Name == "assemblies") {
  73                                         ReadAssemblies (child.ChildNodes, config);
  74                                         continue;
  75                                 }
  76
  77                                 ThrowException ("Unexpected element", child);
  78                         }
  79
  80                         return config;
  81                 }
  82
  83                 static void ReadCompilers (XmlNodeList nodes, CompilationConfiguration config)
  84                 {
  85                         foreach (XmlNode child in nodes) {
  86                                 XmlNodeType ntype = child.NodeType;
  87                                 if (ntype != XmlNodeType.Element)
  88                                         continue;
  89
  90                                 if (child.Name != "compiler")
  91                                         ThrowException ("Unexpected element", child);
  92
  93                                 Compiler compiler = new Compiler ();
  94                                 compiler.Language  = AttValue ("language", child);
  95                                 compiler.Extension  = AttValue ("extension", child);
  96                                 compiler.Type = AttValue ("type", child);
  97                                 compiler.CompilerOptions = AttValue ("compilerOptions", child, true, true);
  98                                 compiler.WarningLevel = AttUIntValue ("warningLevel", child, 0);
  99                                 config.Compilers [compiler.Language] = compiler;
 100                         }
 101                 }
 102
 103                 static void ReadAssemblies (XmlNodeList nodes, CompilationConfiguration config)
 104                 {
 105                         ArrayList assemblies = config.Assemblies;
 106
 107                         foreach (XmlNode child in nodes) {
 108                                 XmlNodeType ntype = child.NodeType;
 109                                 if (ntype != XmlNodeType.Element)
 110                                         continue;
 111
 112                                 if (child.Name == "clear") {
 113                                         assemblies.Clear ();
 114                                         config.AssembliesInBin = false;
 115                                         continue;
 116                                 }
 117
 118                                 string aname = AttValue ("assembly", child);
 119                                 if (child.Name == "add") {
 120                                         if (aname == "*") {
 121                                                 config.AssembliesInBin = true;
 122                                                 continue;
 123                                         }
 124
 125                                         aname = ShortAsmName (aname);
 126                                         if (!assemblies.Contains (aname))
 127                                                 assemblies.Add (aname);
 128
 129                                         continue;
 130                                 }
 131
 132                                 if (child.Name == "remove") {
 133                                         if (aname == "*") {
 134                                                 config.AssembliesInBin = false;
 135                                                 continue;
 136                                         }
 137                                         aname = ShortAsmName (aname);
 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                 private static string ShortAsmName (string long_name)
 191                 {
 192                         int i = long_name.IndexOf (',');
 193                         if (i < 0)
 194                                 return long_name + ".dll";
 195                         return long_name.Substring (0, i) + ".dll";
 196                 }
 197
 198                 static void ThrowException (string message, XmlNode node)
 199                 {
 200                         HandlersUtil.ThrowException (message, node);
 201                 }
 202         }
 203 }
 204