mcs/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 using System.Configuration;
  33 using System.Collections.Generic;
  34 using System.Reflection;
  35 using System.Security.Permissions;
  36
  37 namespace System.CodeDom.Compiler {
  38
  39         [PermissionSet (SecurityAction.LinkDemand, Unrestricted = true)]
  40         public sealed class CompilerInfo
  41         {
  42                 internal string Languages;
  43                 internal string Extensions;
  44                 internal string TypeName;
  45                 internal int WarningLevel;
  46                 internal string CompilerOptions;
  47                 internal Dictionary <string, string> ProviderOptions;
  48
  49                 bool inited;
  50                 Type type;
  51
  52                 internal CompilerInfo ()
  53                 {
  54                 }
  55
  56                 internal void Init ()
  57                 {
  58                         if (inited)
  59                                 return;
  60
  61                         inited = true;
  62                         type = Type.GetType (TypeName);
  63                         if (type == null)
  64                                 return;
  65
  66                         if (!typeof (CodeDomProvider).IsAssignableFrom (type))
  67                                 type = null;
  68                 }
  69
  70                 public Type CodeDomProviderType {
  71                         get {
  72                                 if (type == null) {
  73                                         type = Type.GetType (TypeName, false);
  74 #if CONFIGURATION_DEP
  75                                         if (type == null)
  76                                                 throw new ConfigurationErrorsException ("Unable to locate compiler type '" + TypeName + "'");
  77 #endif
  78                                 }
  79
  80                                 return type;
  81                         }
  82                 }
  83
  84
  85                 public bool IsCodeDomProviderTypeValid {
  86                         get { return type != null; }
  87                 }
  88
  89                 public CompilerParameters CreateDefaultCompilerParameters ()
  90                 {
  91                         CompilerParameters cparams = new CompilerParameters ();
  92                         if (CompilerOptions == null)
  93                                 cparams.CompilerOptions = String.Empty;
  94                         else
  95                                 cparams.CompilerOptions = CompilerOptions;
  96                         cparams.WarningLevel = WarningLevel;
  97
  98                         return cparams;
  99                 }
 100
 101                 public CodeDomProvider CreateProvider ()
 102                 {
 103                         return CreateProvider (ProviderOptions);
 104                 }
 105
 106                 public
 107                 CodeDomProvider CreateProvider (IDictionary<string, string> providerOptions)
 108                 {
 109                         Type providerType = CodeDomProviderType;
 110                         if (providerOptions != null && providerOptions.Count > 0) {
 111                                 ConstructorInfo ctor = providerType.GetConstructor (new [] { typeof (IDictionary <string, string>) });
 112                                 if (ctor != null)
 113                                         return (CodeDomProvider) ctor.Invoke (new object[] { providerOptions });
 114                         }
 115
 116                         return (CodeDomProvider) Activator.CreateInstance (providerType);
 117                 }
 118
 119                 public override bool Equals (object o)
 120                 {
 121                         if (!(o is CompilerInfo))
 122                                 return false;
 123
 124                         CompilerInfo c = (CompilerInfo) o;
 125                         return c.TypeName == TypeName;
 126                 }
 127
 128                 public override int GetHashCode ()
 129                 {
 130                         return TypeName.GetHashCode ();
 131                 }
 132
 133                 public string [] GetExtensions ()
 134                 {
 135                         return Extensions.Split (';');
 136                 }
 137
 138                 public string [] GetLanguages ()
 139                 {
 140                         return Languages.Split (';');
 141                 }
 142         }
 143 }
 144