class/System/System.CodeDom.Compiler/CompilerInfo.cs

   1 //
   2 // System.CodeDom.Compiler CompilerInfo class
   3 //
   4 // Author:
   5 //      Marek Safar (marek.safar@seznam.cz)
   6 //      Gonzalo Paniagua Javier (gonzalo@ximian.com)
   7 //
   8 // Copyright (c) 2004,2005 Novell, Inc. (http://www.novell.com)
   9 //
  10
  11 //
  12 // Permission is hereby granted, free of charge, to any person obtaining
  13 // a copy of this software and associated documentation files (the
  14 // "Software"), to deal in the Software without restriction, including
  15 // without limitation the rights to use, copy, modify, merge, publish,
  16 // distribute, sublicense, and/or sell copies of the Software, and to
  17 // permit persons to whom the Software is furnished to do so, subject to
  18 // the following conditions:
  19 //
  20 // The above copyright notice and this permission notice shall be
  21 // included in all copies or substantial portions of the Software.
  22 //
  23 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  24 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  25 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  26 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  27 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  28 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  29 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  30 //
  31
  32 #if NET_2_0
  33
  34 using System.Configuration;
  35 using System.Collections.Generic;
  36 using System.Reflection;
  37 using System.Security.Permissions;
  38
  39 namespace System.CodeDom.Compiler {
  40
  41         [PermissionSet (SecurityAction.LinkDemand, Unrestricted = true)]
  42         public sealed class CompilerInfo
  43         {
  44                 internal string Languages;
  45                 internal string Extensions;
  46                 internal string TypeName;
  47                 internal int WarningLevel;
  48                 internal string CompilerOptions;
  49                 internal Dictionary <string, string> ProviderOptions;
  50
  51                 bool inited;
  52                 Type type;
  53
  54                 internal CompilerInfo ()
  55                 {
  56                 }
  57
  58                 internal void Init ()
  59                 {
  60                         if (inited)
  61                                 return;
  62
  63                         inited = true;
  64                         type = Type.GetType (TypeName);
  65                         if (type == null)
  66                                 return;
  67
  68                         if (!typeof (CodeDomProvider).IsAssignableFrom (type))
  69                                 type = null;
  70                 }
  71
  72                 public Type CodeDomProviderType {
  73                         get {
  74                                 if (type == null) {
  75                                         type = Type.GetType (TypeName, false);
  76 #if CONFIGURATION_DEP
  77                                         if (type == null)
  78                                                 throw new ConfigurationErrorsException ("Unable to locate compiler type '" + TypeName + "'");
  79 #endif
  80                                 }
  81
  82                                 return type;
  83                         }
  84                 }
  85
  86
  87                 public bool IsCodeDomProviderTypeValid {
  88                         get { return type != null; }
  89                 }
  90
  91                 public CompilerParameters CreateDefaultCompilerParameters ()
  92                 {
  93                         CompilerParameters cparams = new CompilerParameters ();
  94                         if (CompilerOptions == null)
  95                                 cparams.CompilerOptions = String.Empty;
  96                         else
  97                                 cparams.CompilerOptions = CompilerOptions;
  98                         cparams.WarningLevel = WarningLevel;
  99
 100                         return cparams;
 101                 }
 102
 103                 public CodeDomProvider CreateProvider ()
 104                 {
 105                         return CreateProvider (ProviderOptions);
 106                 }
 107
 108 #if NET_4_0
 109                 public
 110 #endif
 111                 CodeDomProvider CreateProvider (IDictionary<string, string> providerOptions)
 112                 {
 113                         Type providerType = CodeDomProviderType;
 114                         if (providerOptions != null && providerOptions.Count > 0) {
 115                                 ConstructorInfo ctor = providerType.GetConstructor (new [] { typeof (IDictionary <string, string>) });
 116                                 if (ctor != null)
 117                                         return (CodeDomProvider) ctor.Invoke (new object[] { providerOptions });
 118                         }
 119
 120                         return (CodeDomProvider) Activator.CreateInstance (providerType);
 121                 }
 122
 123                 public override bool Equals (object o)
 124                 {
 125                         if (!(o is CompilerInfo))
 126                                 return false;
 127
 128                         CompilerInfo c = (CompilerInfo) o;
 129                         return c.TypeName == TypeName;
 130                 }
 131
 132                 public override int GetHashCode ()
 133                 {
 134                         return TypeName.GetHashCode ();
 135                 }
 136
 137                 public string [] GetExtensions ()
 138                 {
 139                         return Extensions.Split (';');
 140                 }
 141
 142                 public string [] GetLanguages ()
 143                 {
 144                         return Languages.Split (';');
 145                 }
 146         }
 147 }
 148 #endif
 149