mcs/class/System/System.CodeDom/CodeTypeReference.cs

   1 //
   2 // System.CodeDom CodeTypeReferenceExpression Class implementation
   3 //
   4 // Author:
   5 //   Daniel Stodden (stodden@in.tum.de)
   6 //   Marek Safar (marek.safar@seznam.cz)
   7 //
   8 // (C) 2001 Ximian, Inc.
   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.Runtime.InteropServices;
  33
  34 namespace System.CodeDom
  35 {
  36         [Serializable]
  37         [ClassInterface(ClassInterfaceType.AutoDispatch)]
  38         [ComVisible(true)]
  39         public class CodeTypeReference
  40                 : CodeObject
  41         {
  42                 private string baseType;
  43                 private CodeTypeReference arrayType;
  44                 private int rank;
  45                 private bool isInterface;
  46
  47 #if NET_2_0
  48                 CodeTypeReferenceCollection typeArguments;
  49                 CodeTypeReferenceOptions codeTypeReferenceOption;
  50 #endif
  51
  52                 //
  53                 // Constructors
  54                 //
  55
  56 #if NET_2_0
  57                 public CodeTypeReference ()
  58                 {
  59                 }
  60 #endif
  61
  62                 public CodeTypeReference (string baseType)
  63                 {
  64                         if (baseType == null || baseType.Length == 0) {
  65                                 this.baseType = typeof (void).FullName;
  66                                 return;
  67                         }
  68
  69                         int array_start = baseType.LastIndexOf ('[');
  70                         if (array_start == -1) {
  71                                 this.baseType = baseType;
  72                                 return;
  73                         }
  74
  75                         int array_end = baseType.LastIndexOf (']');
  76                         if (array_end < array_start) {
  77                                 this.baseType = baseType;
  78                                 return;
  79                         }
  80
  81                         string[] args = baseType.Substring (array_start + 1, array_end - array_start - 1).Split (',');
  82
  83 #if NET_2_0
  84                         if ((array_end - array_start) != args.Length) {
  85                                 this.baseType = baseType.Substring(0, array_start);
  86                                 foreach (string arg in args) {
  87                                         if (arg.Length != 0) {
  88                                                 TypeArguments.Add (new CodeTypeReference (arg));
  89                                         }
  90                                 }
  91                         } else {
  92                                 arrayType = new CodeTypeReference (baseType.Substring (0, array_start));
  93                                 rank = args.Length;
  94                         }
  95 #else
  96                         bool isArray = true;
  97                         foreach (string arg in args) {
  98                                 if (arg.Length != 0) {
  99                                         isArray = false;
 100                                         break;
 101                                 }
 102                         }
 103                         if (isArray) {
 104                                 arrayType = new CodeTypeReference (baseType.Substring (0, array_start));
 105                                 rank = args.Length;
 106                         } else {
 107                                 this.baseType = baseType;
 108                         }
 109 #endif
 110                 }
 111
 112                 public CodeTypeReference( Type baseType )
 113                 {
 114 #if NET_2_0
 115                         if (baseType == null) {
 116                                 throw new ArgumentNullException ("baseType");
 117                         }
 118 #endif
 119                         if (baseType.IsArray) {
 120                                 this.rank = baseType.GetArrayRank ();
 121                                 this.arrayType = new CodeTypeReference (baseType.GetElementType ());
 122                                 this.baseType = arrayType.BaseType;
 123                         } else {
 124                                 this.baseType = baseType.FullName;
 125                         }
 126                         this.isInterface = baseType.IsInterface;
 127                 }
 128
 129                 public CodeTypeReference( CodeTypeReference arrayType, int rank )
 130                 {
 131                         this.baseType = null;
 132                         this.rank = rank;
 133                         this.arrayType = arrayType;
 134                 }
 135
 136                 public CodeTypeReference( string baseType, int rank )
 137                         : this (new CodeTypeReference (baseType), rank)
 138                 {
 139                 }
 140
 141 #if NET_2_0
 142                 public CodeTypeReference( CodeTypeParameter typeParameter ) :
 143                         this (typeParameter.Name)
 144                 {
 145                         this.codeTypeReferenceOption = CodeTypeReferenceOptions.GenericTypeParameter;
 146                 }
 147
 148                 public CodeTypeReference( string typeName, CodeTypeReferenceOptions codeTypeReferenceOption ) :
 149                         this (typeName)
 150                 {
 151                         this.codeTypeReferenceOption = codeTypeReferenceOption;
 152                 }
 153
 154                 public CodeTypeReference( Type type, CodeTypeReferenceOptions codeTypeReferenceOption ) :
 155                         this (type)
 156                 {
 157                         this.codeTypeReferenceOption = codeTypeReferenceOption;
 158                 }
 159
 160                 public CodeTypeReference( string typeName, params CodeTypeReference[] typeArguments ) :
 161                         this (typeName)
 162                 {
 163                         TypeArguments.AddRange (typeArguments);
 164                 }
 165 #endif
 166
 167                 //
 168                 // Properties
 169                 //
 170
 171                 public CodeTypeReference ArrayElementType
 172                 {
 173                         get {
 174                                 return arrayType;
 175                         }
 176                         set {
 177                                 arrayType = value;
 178                         }
 179                 }
 180
 181                 public int ArrayRank {
 182                         get {
 183                                 return rank;
 184                         }
 185                         set {
 186                                 rank = value;
 187                         }
 188                 }
 189
 190                 public string BaseType {
 191                         get {
 192                                 if (arrayType != null) {
 193                                         return arrayType.BaseType;
 194                                 }
 195
 196                                 if (baseType == null)
 197                                         return String.Empty;
 198
 199                                 return baseType;
 200                         }
 201                         set {
 202                                 baseType = value;
 203                         }
 204                 }
 205
 206                 internal bool IsInterface {
 207                         get { return isInterface; }
 208                 }
 209
 210 #if NET_2_0
 211                 [ComVisible (false)]
 212                 public CodeTypeReferenceOptions Options {
 213                         get {
 214                                 return codeTypeReferenceOption;
 215                         }
 216                         set {
 217                                 codeTypeReferenceOption = value;
 218                         }
 219                 }
 220
 221                 [ComVisible (false)]
 222                 public CodeTypeReferenceCollection TypeArguments {
 223                         get {
 224                                 if (typeArguments == null)
 225                                         typeArguments = new CodeTypeReferenceCollection ();
 226                                 return typeArguments;
 227                         }
 228                 }
 229 #endif
 230         }
 231 }