mcs/class/System/System.CodeDom.Compiler/CodeDomConfigurationHandler.cs

   1 //
   2 // System.Configuration.CodeDomConfigurationHandler
   3 //
   4 // Authors:
   5 //      Gonzalo Paniagua Javier (gonzalo@ximian.com)
   6 //
   7 // Copyright (c) 2005 Novell, Inc (http://www.novell.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
  31 #if NET_2_0
  32 using System;
  33 using System.Collections;
  34 using System.Configuration;
  35 using System.IO;
  36 #if XML_DEP
  37 using System.Xml;
  38 #endif
  39
  40 namespace System.CodeDom.Compiler
  41 {
  42 #if XML_DEP
  43         class CodeDomConfigurationHandler : IConfigurationSectionHandler
  44         {
  45                 public object Create (object parent, object context, XmlNode section)
  46                 {
  47                         return new CompilationConfigurationHandler ().Create (parent, context, section);
  48                 }
  49         }
  50
  51         class CompilationConfigurationHandler : IConfigurationSectionHandler
  52         {
  53                 public object Create (object parent, object context, XmlNode section)
  54                 {
  55                         CompilationConfiguration config = new CompilationConfiguration (parent);
  56
  57                         config.TempDirectory = AttValue ("tempDirectory", section, true);
  58                         config.DefaultLanguage = AttValue ("defaultLanguage", section);
  59                         if (config.DefaultLanguage == null)
  60                                 config.DefaultLanguage = "c#";
  61
  62                         config.Debug = AttBoolValue ("debug", section, false);
  63                         config.Batch = AttBoolValue ("batch", section, false);
  64                         config.Explicit = AttBoolValue ("explicit", section, true);
  65                         config.Strict = AttBoolValue ("strict", section, false);
  66                         config.BatchTimeout = AttUIntValue ("batchTimeout", section, 0);
  67                         config.MaxBatchSize = AttUIntValue ("maxBatchSize", section, 0);
  68                         config.MaxBatchFileSize = AttUIntValue ("maxBatchFileSize", section, 0);
  69                         config.NumRecompilesBeforeAppRestart =
  70                                         AttUIntValue ("numRecompilesBeforeAppRestart", section, 15);
  71
  72                         if (section.Attributes != null && section.Attributes.Count != 0)
  73                                 ThrowException ("Unrecognized attribute.", section);
  74
  75                         XmlNodeList authNodes = section.ChildNodes;
  76                         foreach (XmlNode child in authNodes) {
  77                                 XmlNodeType ntype = child.NodeType;
  78                                 if (ntype != XmlNodeType.Element)
  79                                         continue;
  80
  81                                 if (child.Name == "compilers") {
  82                                         ReadCompilers (child.ChildNodes, config);
  83                                         continue;
  84                                 }
  85
  86                                 ThrowException ("Unexpected element", child);
  87                         }
  88
  89                         return config;
  90                 }
  91
  92                 static void ReadCompilers (XmlNodeList nodes, CompilationConfiguration config)
  93                 {
  94                         foreach (XmlNode child in nodes) {
  95                                 XmlNodeType ntype = child.NodeType;
  96                                 if (ntype != XmlNodeType.Element)
  97                                         continue;
  98
  99                                 if (child.Name != "compiler")
 100                                         ThrowException ("Unexpected element", child);
 101
 102                                 CompilerInfo compiler = new CompilerInfo ();
 103                                 compiler.Languages = AttValue ("language", child);
 104                                 compiler.Extensions = AttValue ("extension", child);
 105                                 compiler.TypeName = AttValue ("type", child);
 106                                 compiler.CompilerOptions = AttValue ("compilerOptions", child, true, true);
 107                                 compiler.WarningLevel = AttUIntValue ("warningLevel", child, 0);
 108                                 config.Compilers [compiler.Languages] = compiler;
 109                         }
 110                 }
 111
 112                 static string AttValue (string name, XmlNode node, bool optional)
 113                 {
 114                         return AttValue (name, node, optional, false);
 115                 }
 116
 117                 static string AttValue (string name, XmlNode node, bool optional, bool allowEmpty)
 118                 {
 119                         return ExtractAttributeValue (name, node, optional, allowEmpty);
 120                 }
 121
 122                 static bool AttBoolValue (string name, XmlNode node, bool _default)
 123                 {
 124                         string v = AttValue (name, node, true);
 125                         if (v == null)
 126                                 return _default;
 127
 128                         bool result = (v == "true");
 129                         if (!result && v != "false")
 130                                 ThrowException ("Invalid boolean value in " + name, node);
 131
 132                         return result;
 133                 }
 134
 135                 static int AttUIntValue (string name, XmlNode node, int _default)
 136                 {
 137                         string v = AttValue (name, node, true);
 138                         if (v == null)
 139                                 return _default;
 140
 141                         int result = 0;
 142                         try {
 143                                 result = (int) UInt32.Parse (v);
 144                         } catch {
 145                                 ThrowException ("Invalid number in " + name, node);
 146                         }
 147
 148                         return result;
 149                 }
 150
 151                 static string AttValue (string name, XmlNode node)
 152                 {
 153                         return ExtractAttributeValue (name, node, true);
 154                 }
 155
 156 #if false
 157                 // Not used for now
 158
 159                 static string ShortAsmName (string long_name)
 160                 {
 161                         int i = long_name.IndexOf (',');
 162                         if (i < 0)
 163                                 return long_name + ".dll";
 164                         return long_name.Substring (0, i) + ".dll";
 165                 }
 166 #endif
 167
 168                 static void ThrowException (string message, XmlNode node)
 169                 {
 170                         ThrowException (message, node);
 171                 }
 172
 173                 static internal string ExtractAttributeValue (string attKey, XmlNode node)
 174                 {
 175                         return ExtractAttributeValue (attKey, node, false);
 176                 }
 177
 178                 static internal string ExtractAttributeValue (string attKey, XmlNode node, bool optional)
 179                 {
 180                         return ExtractAttributeValue (attKey, node, optional, false);
 181                 }
 182
 183                 static internal string ExtractAttributeValue (string attKey, XmlNode node, bool optional,
 184                                                               bool allowEmpty)
 185                 {
 186                         if (node.Attributes == null) {
 187                                 if (optional)
 188                                         return null;
 189
 190                                 ThrowException ("Required attribute not found: " + attKey, node);
 191                         }
 192
 193                         XmlNode att = node.Attributes.RemoveNamedItem (attKey);
 194                         if (att == null) {
 195                                 if (optional)
 196                                         return null;
 197                                 ThrowException ("Required attribute not found: " + attKey, node);
 198                         }
 199
 200                         string value = att.Value;
 201                         if (!allowEmpty && value == String.Empty) {
 202                                 string opt = optional ? "Optional" : "Required";
 203                                 ThrowException (opt + " attribute is empty: " + attKey, node);
 204                         }
 205
 206                         return value;
 207                 }
 208         }
 209
 210 #endif // XML_DEP
 211
 212         sealed class CompilationConfiguration
 213         {
 214                 bool debug;
 215                 bool batch;
 216                 int batch_timeout;
 217                 string default_language = "c#";
 218                 bool _explicit = true;
 219                 int max_batch_size = 30;
 220                 int max_batch_file_size = 3000;
 221                 int num_recompiles_before_app_restart = 15;
 222                 bool strict;
 223                 string temp_directory;
 224                 CompilerCollection compilers;
 225
 226                 /* Only the config. handler should create instances of this. Use GetInstance (context) */
 227                 public CompilationConfiguration (object p)
 228                 {
 229                         CompilationConfiguration parent = p as CompilationConfiguration;
 230                         if (parent != null)
 231                                 Init (parent);
 232
 233                         if (compilers == null)
 234                                 compilers = new CompilerCollection ();
 235
 236                         if (temp_directory == null)
 237                                 temp_directory = Path.GetTempPath ();
 238                 }
 239
 240                 public CompilerInfo GetCompilerInfo (string language)
 241                 {
 242                         return Compilers [language];
 243                 }
 244
 245                 void Init (CompilationConfiguration parent)
 246                 {
 247                         debug = parent.debug;
 248                         batch = parent.batch;
 249                         batch_timeout = parent.batch_timeout;
 250                         default_language = parent.default_language;
 251                         _explicit = parent._explicit;
 252                         max_batch_size = parent.max_batch_size;
 253                         max_batch_file_size = parent.max_batch_file_size;
 254                         num_recompiles_before_app_restart = parent.num_recompiles_before_app_restart;
 255                         strict = parent.strict;
 256                         temp_directory = parent.temp_directory;
 257                         compilers = new CompilerCollection (parent.compilers);
 258                 }
 259
 260                 public bool Debug {
 261                         get { return debug; }
 262                         set { debug = value; }
 263                 }
 264
 265                 public bool Batch {
 266                         get { return batch; }
 267                         set { batch = value; }
 268                 }
 269
 270                 public int BatchTimeout {
 271                         get { return batch_timeout; }
 272                         set { batch_timeout = value; }
 273                 }
 274
 275                 public string DefaultLanguage {
 276                         get { return default_language; }
 277                         set { default_language = value; }
 278                 }
 279
 280                 public bool Explicit {
 281                         get { return _explicit; }
 282                         set { _explicit = value; }
 283                 }
 284
 285                 public int MaxBatchSize {
 286                         get { return max_batch_size; }
 287                         set { max_batch_size = value; }
 288                 }
 289
 290                 public int MaxBatchFileSize {
 291                         get { return max_batch_file_size; }
 292                         set { max_batch_file_size = value; }
 293                 }
 294
 295                 public int NumRecompilesBeforeAppRestart {
 296                         get { return num_recompiles_before_app_restart; }
 297                         set { num_recompiles_before_app_restart = value; }
 298                 }
 299
 300                 public bool Strict {
 301                         get { return strict; }
 302                         set { strict = value; }
 303                 }
 304
 305                 public string TempDirectory {
 306                         get { return temp_directory; }
 307                         set {
 308                                 if (value != null && !Directory.Exists (value))
 309                                         throw new ArgumentException ("Directory does not exist");
 310
 311                                 temp_directory = value;
 312                         }
 313                 }
 314
 315                 public CompilerCollection Compilers {
 316                         get { return compilers; }
 317                 }
 318         }
 319
 320         sealed class CompilerCollection
 321         {
 322                 Hashtable compilers;
 323
 324                 public CompilerCollection () : this (null) {}
 325
 326                 public CompilerCollection (CompilerCollection parent)
 327                 {
 328                         compilers = new Hashtable (CaseInsensitiveHashCodeProvider.Default,
 329                                                    CaseInsensitiveComparer.Default);
 330
 331                         if (parent != null && parent.compilers != null) {
 332                                 foreach (DictionaryEntry entry in parent.compilers)
 333                                         compilers [entry.Key] = entry.Value;
 334                         }
 335                 }
 336
 337                 public CompilerInfo this [string language] {
 338                         get { return compilers [language] as CompilerInfo; }
 339                         set {
 340                                 compilers [language] = value;
 341                                 string [] langs = language.Split (';');
 342                                 foreach (string s in langs) {
 343                                         string x = s.Trim ();
 344                                         if (x != "")
 345                                                 compilers [x] = value;
 346                                 }
 347                         }
 348                 }
 349
 350                 internal Hashtable Hash {
 351                         get { return compilers; }
 352                 }
 353         }
 354 }
 355
 356 #endif // NET_2_0
 357