f83685f6b810c27695da8e65bd0a35c5dd05ac61
[mono.git] / mcs / class / Microsoft.Build.Tasks / Microsoft.Build.Tasks / ResolveAssemblyReference.cs
1 //
2 // ResolveAssemblyReference.cs: Searches for assembly files.
3 //
4 // Author:
5 //   Marek Sieradzki (marek.sieradzki@gmail.com)
6 //   Ankit Jain (jankit@novell.com)
7 // 
8 // (C) 2006 Marek Sieradzki
9 // Copyright 2009 Novell, Inc (http://www.novell.com)
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 #if NET_2_0
31
32 using System;
33 using System.Collections.Generic;
34 using System.Globalization;
35 using System.IO;
36 using System.Linq;
37 using System.Reflection;
38 using System.Security;
39 using Microsoft.Build.Framework;
40 using Microsoft.Build.Utilities;
41
42 namespace Microsoft.Build.Tasks {
43         public class ResolveAssemblyReference : TaskExtension {
44         
45                 bool            autoUnify;
46                 ITaskItem[]     assemblyFiles;
47                 ITaskItem[]     assemblies;
48                 string          appConfigFile;
49                 string[]        allowedAssemblyExtensions;
50                 string[]        allowedRelatedFileExtensions;
51                 string[]        candidateAssemblyFiles;
52                 ITaskItem[]     copyLocalFiles;
53                 ITaskItem[]     filesWritten;
54                 bool            findDependencies;
55                 bool            findRelatedFiles;
56                 bool            findSatellites;
57                 bool            findSerializationAssemblies;
58                 string[]        installedAssemblyTables;
59                 ITaskItem[]     relatedFiles;
60                 ITaskItem[]     resolvedDependencyFiles;
61                 ITaskItem[]     resolvedFiles;
62                 ITaskItem[]     satelliteFiles;
63                 ITaskItem[]     scatterFiles;
64                 string[]        searchPaths;
65                 ITaskItem[]     serializationAssemblyFiles;
66                 bool            silent;
67                 string          stateFile;
68                 ITaskItem[]     suggestedRedirects;
69                 string[]        targetFrameworkDirectories;
70                 string          targetProcessorArchitecture;
71                 static string []        default_assembly_extensions;
72
73                 AssemblyResolver        assembly_resolver;
74                 List<string> dependency_search_paths;
75                 Dictionary<string, ResolvedReference> assemblyNameToResolvedRef;
76                 Dictionary<string, ITaskItem>   tempSatelliteFiles, tempRelatedFiles,
77                         tempResolvedDepFiles, tempCopyLocalFiles;
78                 List<ITaskItem> tempResolvedFiles;
79                 List<PrimaryReference> primaryReferences;
80                 Dictionary<string, string> alreadyScannedAssemblyNames;
81                 Dictionary<string, string> conflictWarningsCache;
82
83                 //FIXME: construct and use a graph of the dependencies, useful across projects
84
85                 static ResolveAssemblyReference ()
86                 {
87                         default_assembly_extensions = new string [] { ".dll", ".exe" };
88                 }
89
90                 public ResolveAssemblyReference ()
91                 {
92                         assembly_resolver = new AssemblyResolver ();
93                 }
94
95                 //FIXME: make this reusable
96                 public override bool Execute ()
97                 {
98                         if (assemblies == null && assemblyFiles == null)
99                                 // nothing to resolve
100                                 return true;
101
102                         assembly_resolver.Log = Log;
103                         tempResolvedFiles = new List<ITaskItem> ();
104                         tempCopyLocalFiles = new Dictionary<string, ITaskItem> ();
105                         tempSatelliteFiles = new Dictionary<string, ITaskItem> ();
106                         tempRelatedFiles = new Dictionary<string, ITaskItem> ();
107                         tempResolvedDepFiles = new Dictionary<string, ITaskItem> ();
108
109                         primaryReferences = new List<PrimaryReference> ();
110                         assemblyNameToResolvedRef = new Dictionary<string, ResolvedReference> ();
111                         conflictWarningsCache = new Dictionary<string, string> ();
112
113                         ResolveAssemblies ();
114                         ResolveAssemblyFiles ();
115
116                         alreadyScannedAssemblyNames = new Dictionary<string, string> ();
117
118                         // the first element is place holder for parent assembly's dir
119                         dependency_search_paths = new List<string> () { String.Empty };
120                         dependency_search_paths.AddRange (searchPaths);
121
122                         // resolve dependencies
123                         foreach (PrimaryReference pref in primaryReferences)
124                                 ResolveAssemblyFileDependencies (pref.TaskItem, pref.ParentCopyLocal);
125
126                         resolvedFiles = tempResolvedFiles.ToArray ();
127                         copyLocalFiles = tempCopyLocalFiles.Values.ToArray ();
128                         satelliteFiles = tempSatelliteFiles.Values.ToArray ();
129                         relatedFiles = tempRelatedFiles.Values.ToArray ();
130                         resolvedDependencyFiles = tempResolvedDepFiles.Values.ToArray ();
131
132                         tempResolvedFiles.Clear ();
133                         tempCopyLocalFiles.Clear ();
134                         tempSatelliteFiles.Clear ();
135                         tempRelatedFiles.Clear ();
136                         tempResolvedDepFiles.Clear ();
137                         alreadyScannedAssemblyNames.Clear ();
138                         primaryReferences.Clear ();
139                         assemblyNameToResolvedRef.Clear ();
140                         conflictWarningsCache.Clear ();
141                         dependency_search_paths = null;
142
143                         return true;
144                 }
145
146                 void ResolveAssemblies ()
147                 {
148                         if (assemblies == null || assemblies.Length == 0)
149                                 return;
150
151                         foreach (ITaskItem item in assemblies) {
152                                 if (!String.IsNullOrEmpty (item.GetMetadata ("SubType"))) {
153                                         Log.LogWarning ("Reference '{0}' has non-empty SubType. Ignoring.", item.ItemSpec);
154                                         continue;
155                                 }
156
157                                 LogWithPrecedingNewLine (MessageImportance.Low, "Primary Reference {0}", item.ItemSpec);
158                                 ResolvedReference resolved_ref = ResolveReference (item, searchPaths, true);
159                                 if (resolved_ref == null) {
160                                         Log.LogWarning ("Reference '{0}' not resolved", item.ItemSpec);
161                                         assembly_resolver.LogSearchLoggerMessages (MessageImportance.Normal);
162                                 } else {
163                                         if (Environment.GetEnvironmentVariable ("XBUILD_LOG_REFERENCE_RESOLVER") != null)
164                                                 assembly_resolver.LogSearchLoggerMessages (MessageImportance.Low);
165
166                                         Log.LogMessage (MessageImportance.Low,
167                                                         "\tReference {0} resolved to {1}. CopyLocal = {2}",
168                                                         item.ItemSpec, resolved_ref.TaskItem,
169                                                         resolved_ref.TaskItem.GetMetadata ("CopyLocal"));
170
171                                         Log.LogMessage (MessageImportance.Low,
172                                                         "\tReference found at search path {0}",
173                                                         resolved_ref.FoundInSearchPathAsString);
174
175                                         if (TryAddNewReference (tempResolvedFiles, resolved_ref) &&
176                                                 !IsFromGacOrTargetFramework (resolved_ref) &&
177                                                 resolved_ref.FoundInSearchPath != SearchPath.PkgConfig) {
178                                                 primaryReferences.Add (new PrimaryReference (
179                                                                 resolved_ref.TaskItem,
180                                                                 resolved_ref.TaskItem.GetMetadata ("CopyLocal")));
181                                         }
182                                 }
183                         }
184                 }
185
186                 // Use @search_paths to resolve the reference
187                 ResolvedReference ResolveReference (ITaskItem item, IEnumerable<string> search_paths, bool set_copy_local)
188                 {
189                         ResolvedReference resolved = null;
190                         bool specific_version;
191
192                         assembly_resolver.ResetSearchLogger ();
193
194                         if (!TryGetSpecificVersionValue (item, out specific_version))
195                                 return null;
196
197                         foreach (string spath in search_paths) {
198                                 assembly_resolver.LogSearchMessage ("For searchpath {0}", spath);
199
200                                 if (String.Compare (spath, "{HintPathFromItem}") == 0) {
201                                         resolved = assembly_resolver.ResolveHintPathReference (item, specific_version);
202                                 } else if (String.Compare (spath, "{TargetFrameworkDirectory}") == 0) {
203                                         if (targetFrameworkDirectories == null)
204                                                 continue;
205                                         foreach (string fpath in targetFrameworkDirectories) {
206                                                 resolved = assembly_resolver.FindInTargetFramework (item,
207                                                                 fpath, specific_version);
208                                                 if (resolved != null)
209                                                         break;
210                                         }
211                                 } else if (String.Compare (spath, "{GAC}") == 0) {
212                                         resolved = assembly_resolver.ResolveGacReference (item, specific_version);
213                                 } else if (String.Compare (spath, "{RawFileName}") == 0) {
214                                         //FIXME: identify assembly names, as extract the name, and try with that?
215                                         AssemblyName aname = assembly_resolver.GetAssemblyNameFromFile (item.ItemSpec);
216                                         if (aname != null)
217                                                 resolved = assembly_resolver.GetResolvedReference (item, item.ItemSpec, aname, true,
218                                                                 SearchPath.RawFileName);
219                                 } else if (String.Compare (spath, "{CandidateAssemblyFiles}") == 0) {
220                                         assembly_resolver.LogSearchMessage (
221                                                         "Warning: {{CandidateAssemblyFiles}} not supported currently");
222                                 } else if (String.Compare (spath, "{PkgConfig}") == 0) {
223                                         resolved = assembly_resolver.ResolvePkgConfigReference (item, specific_version);
224                                 } else {
225                                         resolved = assembly_resolver.FindInDirectory (
226                                                         item, spath,
227                                                         allowedAssemblyExtensions ?? default_assembly_extensions,
228                                                         specific_version);
229                                 }
230
231                                 if (resolved != null)
232                                         break;
233                         }
234
235                         if (resolved != null && set_copy_local)
236                                 SetCopyLocal (resolved.TaskItem, resolved.CopyLocal.ToString ());
237
238                         return resolved;
239                 }
240
241                 bool TryGetSpecificVersionValue (ITaskItem item, out bool specific_version)
242                 {
243                         specific_version = true;
244                         string value = item.GetMetadata ("SpecificVersion");
245                         if (String.IsNullOrEmpty (value)) {
246                                 //AssemblyName name = new AssemblyName (item.ItemSpec);
247                                 // If SpecificVersion is not specified, then
248                                 // it is true if the Include is a strong name else false
249                                 //specific_version = assembly_resolver.IsStrongNamed (name);
250
251                                 // msbuild seems to just look for a ',' in the name :/
252                                 specific_version = item.ItemSpec.IndexOf (',') >= 0;
253                                 return true;
254                         }
255
256                         if (Boolean.TryParse (value, out specific_version))
257                                 return true;
258
259                         Log.LogError ("Item '{0}' has attribute SpecificVersion with invalid value '{1}' " +
260                                         "which could not be converted to a boolean.", item.ItemSpec, value);
261                         return false;
262                 }
263
264                 //FIXME: Consider CandidateAssemblyFiles also here
265                 void ResolveAssemblyFiles ()
266                 {
267                         if (assemblyFiles == null)
268                                 return;
269
270                         foreach (ITaskItem item in assemblyFiles) {
271                                 assembly_resolver.ResetSearchLogger ();
272
273                                 if (!File.Exists (item.ItemSpec)) {
274                                         LogWithPrecedingNewLine (MessageImportance.Low,
275                                                         "Primary Reference from AssemblyFiles {0}, file not found. Ignoring",
276                                                         item.ItemSpec);
277                                         continue;
278                                 }
279
280                                 LogWithPrecedingNewLine (MessageImportance.Low, "Primary Reference from AssemblyFiles {0}", item.ItemSpec);
281                                 string copy_local;
282
283                                 AssemblyName aname = assembly_resolver.GetAssemblyNameFromFile (item.ItemSpec);
284                                 if (aname == null) {
285                                         Log.LogWarning ("Reference '{0}' not resolved", item.ItemSpec);
286                                         assembly_resolver.LogSearchLoggerMessages (MessageImportance.Normal);
287                                         continue;
288                                 }
289
290                                 if (Environment.GetEnvironmentVariable ("XBUILD_LOG_REFERENCE_RESOLVER") != null)
291                                         assembly_resolver.LogSearchLoggerMessages (MessageImportance.Low);
292
293                                 ResolvedReference rr = assembly_resolver.GetResolvedReference (item, item.ItemSpec, aname, true,
294                                                 SearchPath.RawFileName);
295                                 copy_local = rr.CopyLocal.ToString ();
296
297                                 if (!TryAddNewReference (tempResolvedFiles, rr))
298                                         // already resolved
299                                         continue;
300
301                                 SetCopyLocal (rr.TaskItem, copy_local);
302
303                                 FindAndAddRelatedFiles (item.ItemSpec, copy_local);
304                                 FindAndAddSatellites (item.ItemSpec, copy_local);
305
306                                 if (FindDependencies && !IsFromGacOrTargetFramework (rr) &&
307                                                 rr.FoundInSearchPath != SearchPath.PkgConfig)
308                                         primaryReferences.Add (new PrimaryReference (item, copy_local));
309                         }
310                 }
311
312                 // Tries to resolve assemblies referenced by @item
313                 // Skips gac references
314                 // @item : filename
315                 void ResolveAssemblyFileDependencies (ITaskItem item, string parent_copy_local)
316                 {
317                         Queue<string> dependencies = new Queue<string> ();
318                         dependencies.Enqueue (item.ItemSpec);
319
320                         while (dependencies.Count > 0) {
321                                 string filename = Path.GetFullPath (dependencies.Dequeue ());
322                                 Assembly asm = Assembly.ReflectionOnlyLoadFrom (filename);
323                                 if (alreadyScannedAssemblyNames.ContainsKey (asm.FullName))
324                                         continue;
325
326                                 // set the 1st search path to this ref's base path
327                                 // Will be used for resolving the dependencies
328                                 dependency_search_paths [0] = Path.GetDirectoryName (filename);
329
330                                 foreach (AssemblyName aname in asm.GetReferencedAssemblies ()) {
331                                         if (alreadyScannedAssemblyNames.ContainsKey (aname.FullName))
332                                                 continue;
333
334                                         ResolvedReference resolved_ref = ResolveDependencyByAssemblyName (
335                                                         aname, asm.FullName, parent_copy_local);
336
337                                         if (resolved_ref != null && !IsFromGacOrTargetFramework (resolved_ref)
338                                                         && resolved_ref.FoundInSearchPath != SearchPath.PkgConfig)
339                                                 dependencies.Enqueue (resolved_ref.TaskItem.ItemSpec);
340                                 }
341                                 alreadyScannedAssemblyNames.Add (asm.FullName, String.Empty);
342                         }
343                 }
344
345                 // Resolves by looking dependency_search_paths
346                 // which is dir of parent reference file, and
347                 // SearchPaths
348                 ResolvedReference ResolveDependencyByAssemblyName (AssemblyName aname, string parent_asm_name,
349                                 string parent_copy_local)
350                 {
351                         // This will check for compatible assembly name/version
352                         ResolvedReference resolved_ref;
353                         if (TryGetResolvedReferenceByAssemblyName (aname, false, out resolved_ref))
354                                 return resolved_ref;
355
356                         LogWithPrecedingNewLine (MessageImportance.Low, "Dependency {0}", aname);
357                         Log.LogMessage (MessageImportance.Low, "\tRequired by {0}", parent_asm_name);
358
359                         ITaskItem item = new TaskItem (aname.FullName);
360                         item.SetMetadata ("SpecificVersion", "false");
361                         resolved_ref = ResolveReference (item, dependency_search_paths, false);
362
363                         if (resolved_ref != null) {
364                                 if (Environment.GetEnvironmentVariable ("XBUILD_LOG_REFERENCE_RESOLVER") != null)
365                                                 assembly_resolver.LogSearchLoggerMessages (MessageImportance.Low);
366
367                                 Log.LogMessage (MessageImportance.Low, "\tReference {0} resolved to {1}.",
368                                         aname, resolved_ref.TaskItem.ItemSpec);
369
370                                 Log.LogMessage (MessageImportance.Low,
371                                                 "\tReference found at search path {0}",
372                                                 resolved_ref.FoundInSearchPathAsString);
373
374                                 if (resolved_ref.FoundInSearchPath == SearchPath.Directory) {
375                                         // override CopyLocal with parent's val
376                                         SetCopyLocal (resolved_ref.TaskItem, parent_copy_local);
377
378                                         Log.LogMessage (MessageImportance.Low,
379                                                         "\tThis is CopyLocal {0} as parent item has this value",
380                                                         parent_copy_local);
381
382                                         if (TryAddNewReference (tempResolvedFiles, resolved_ref)) {
383                                                 FindAndAddRelatedFiles (resolved_ref.TaskItem.ItemSpec, parent_copy_local);
384                                                 FindAndAddSatellites (resolved_ref.TaskItem.ItemSpec, parent_copy_local);
385                                         }
386                                 } else {
387                                         //gac or tgtfmwk
388                                         Log.LogMessage (MessageImportance.Low,
389                                                         "\tThis is CopyLocal false as it is in the gac," +
390                                                         "target framework directory or provided by a package.");
391
392                                         TryAddNewReference (tempResolvedFiles, resolved_ref);
393                                 }
394                         } else {
395                                 Log.LogWarning ("Reference '{0}' not resolved", aname);
396                                 assembly_resolver.LogSearchLoggerMessages (MessageImportance.Normal);
397                         }
398
399                         return resolved_ref;
400                 }
401
402                 void FindAndAddRelatedFiles (string filename, string parent_copy_local)
403                 {
404                         if (!findRelatedFiles || allowedRelatedFileExtensions == null)
405                                 return;
406
407                         foreach (string ext in allowedRelatedFileExtensions) {
408                                 string rfile = filename + ext;
409                                 if (File.Exists (rfile)) {
410                                         ITaskItem item = new TaskItem (rfile);
411                                         SetCopyLocal (item, parent_copy_local);
412
413                                         tempRelatedFiles.AddUniqueFile (item);
414                                 }
415                         }
416                 }
417
418                 void FindAndAddSatellites (string filename, string parent_copy_local)
419                 {
420                         if (!FindSatellites)
421                                 return;
422
423                         string basepath = Path.GetDirectoryName (filename);
424                         string resource = String.Format ("{0}{1}{2}",
425                                         Path.GetFileNameWithoutExtension (filename),
426                                         ".resources",
427                                         Path.GetExtension (filename));
428
429                         string dir_sep = Path.DirectorySeparatorChar.ToString ();
430                         foreach (string dir in Directory.GetDirectories (basepath)) {
431                                 string culture = Path.GetFileName (dir);
432                                 if (!CultureNamesTable.ContainsKey (culture))
433                                         continue;
434
435                                 string res_path = Path.Combine (dir, resource);
436                                 if (File.Exists (res_path)) {
437                                         ITaskItem item = new TaskItem (res_path);
438                                         SetCopyLocal (item, parent_copy_local);
439                                         item.SetMetadata ("DestinationSubdirectory", culture + dir_sep);
440                                         tempSatelliteFiles.AddUniqueFile (item);
441                                 }
442                         }
443                 }
444
445                 // returns true is it was new
446                 bool TryAddNewReference (List<ITaskItem> file_list, ResolvedReference key_ref)
447                 {
448                         ResolvedReference found_ref;
449                         if (!TryGetResolvedReferenceByAssemblyName (key_ref.AssemblyName, key_ref.IsPrimary, out found_ref)) {
450                                 assemblyNameToResolvedRef [key_ref.AssemblyName.Name] = key_ref;
451                                 file_list.Add (key_ref.TaskItem);
452
453                                 return true;
454                         }
455                         return false;
456                 }
457
458                 void SetCopyLocal (ITaskItem item, string copy_local)
459                 {
460                         item.SetMetadata ("CopyLocal", copy_local);
461
462                         // Assumed to be valid value
463                         if (Boolean.Parse (copy_local))
464                                 tempCopyLocalFiles.AddUniqueFile (item);
465                 }
466
467                 bool TryGetResolvedReferenceByAssemblyName (AssemblyName key_aname, bool is_primary, out ResolvedReference found_ref)
468                 {
469                         found_ref = null;
470                         // Match by just name
471                         if (!assemblyNameToResolvedRef.TryGetValue (key_aname.Name, out found_ref))
472                                 // not there
473                                 return false;
474
475                         // match for full name
476                         if (AssemblyResolver.AssemblyNamesCompatible (key_aname, found_ref.AssemblyName, true, false))
477                                 // exact match, so its already there, dont add anything
478                                 return true;
479
480                         // we have a name match, but version mismatch!
481                         assembly_resolver.LogSearchMessage ("A conflict was detected between '{0}' and '{1}'",
482                                         key_aname.FullName, found_ref.AssemblyName.FullName);
483
484                         if (is_primary == found_ref.IsPrimary) {
485                                 assembly_resolver.LogSearchMessage ("Unable to choose between the two. " +
486                                                 "Choosing '{0}' arbitrarily.", found_ref.AssemblyName.FullName);
487                                 return true;
488                         }
489
490                         // since all dependencies are processed after
491                         // all primary refererences, the one in the cache
492                         // has to be a primary
493                         // Prefer a primary reference over a dependency
494
495                         assembly_resolver.LogSearchMessage ("Choosing '{0}' as it is a primary reference.",
496                                         found_ref.AssemblyName.FullName);
497
498                         LogConflictWarning (found_ref.AssemblyName.FullName, key_aname.FullName);
499
500                         return true;
501                 }
502
503                 void LogWithPrecedingNewLine (MessageImportance importance, string format, params object [] args)
504                 {
505                         Log.LogMessage (importance, String.Empty);
506                         Log.LogMessage (importance, format, args);
507                 }
508
509                 // conflict b/w @main and @conflicting, picking @main
510                 void LogConflictWarning (string main, string conflicting)
511                 {
512                         string key = main + ":" + conflicting;
513                         if (!conflictWarningsCache.ContainsKey (key)) {
514                                 Log.LogWarning ("Found a conflict between : '{0}' and '{1}'. Using '{0}' reference.",
515                                                 main, conflicting);
516                                 conflictWarningsCache [key] = key;
517                         }
518                 }
519
520                 bool IsFromGacOrTargetFramework (ResolvedReference rr)
521                 {
522                         return rr.FoundInSearchPath == SearchPath.Gac ||
523                                 rr.FoundInSearchPath == SearchPath.TargetFrameworkDirectory;
524                 }
525
526                 public bool AutoUnify {
527                         get { return autoUnify; }
528                         set { autoUnify = value; }
529                 }
530                 
531                 public ITaskItem[] AssemblyFiles {
532                         get { return assemblyFiles; }
533                         set { assemblyFiles = value; }
534                 }
535                 
536                 public ITaskItem[] Assemblies {
537                         get { return assemblies; }
538                         set { assemblies = value; }
539                 }
540                 
541                 public string AppConfigFile {
542                         get { return appConfigFile; }
543                         set { appConfigFile = value; }
544                 }
545                 
546                 public string[] AllowedAssemblyExtensions {
547                         get { return allowedAssemblyExtensions; }
548                         set { allowedAssemblyExtensions = value; }
549                 }
550
551                 public string[] AllowedRelatedFileExtensions {
552                         get { return allowedRelatedFileExtensions; }
553                         set { allowedRelatedFileExtensions = value; }
554                 }
555                 
556                 public string[] CandidateAssemblyFiles {
557                         get { return candidateAssemblyFiles; }
558                         set { candidateAssemblyFiles = value; }
559                 }
560                 
561                 [Output]
562                 public ITaskItem[] CopyLocalFiles {
563                         get { return copyLocalFiles; }
564                 }
565                 
566                 [Output]
567                 public ITaskItem[] FilesWritten {
568                         get { return filesWritten; }
569                         set { filesWritten = value; }
570                 }
571                 
572                 public bool FindDependencies {
573                         get { return findDependencies; }
574                         set { findDependencies = value; }
575                 }
576                 
577                 public bool FindRelatedFiles {
578                         get { return findRelatedFiles; }
579                         set { findRelatedFiles = value; }
580                 }
581                 
582                 public bool FindSatellites {
583                         get { return findSatellites; }
584                         set { findSatellites = value; }
585                 }
586                 
587                 public bool FindSerializationAssemblies {
588                         get { return findSerializationAssemblies; }
589                         set { findSerializationAssemblies = value; }
590                 }
591                 
592                 public string[] InstalledAssemblyTables {
593                         get { return installedAssemblyTables; }
594                         set { installedAssemblyTables = value; }
595                 }
596                 
597                 [Output]
598                 public ITaskItem[] RelatedFiles {
599                         get { return relatedFiles; }
600                 }
601                 
602                 [Output]
603                 public ITaskItem[] ResolvedDependencyFiles {
604                         get { return resolvedDependencyFiles; }
605                 }
606                 
607                 [Output]
608                 public ITaskItem[] ResolvedFiles {
609                         get { return resolvedFiles; }
610                 }
611                 
612                 [Output]
613                 public ITaskItem[] SatelliteFiles {
614                         get { return satelliteFiles; }
615                 }
616                 
617                 [Output]
618                 public ITaskItem[] ScatterFiles {
619                         get { return scatterFiles; }
620                 }
621                 
622                 [Required]
623                 public string[] SearchPaths {
624                         get { return searchPaths; }
625                         set { searchPaths = value; }
626                 }
627                 
628                 [Output]
629                 public ITaskItem[] SerializationAssemblyFiles {
630                         get { return serializationAssemblyFiles; }
631                 }
632                 
633                 public bool Silent {
634                         get { return silent; }
635                         set { silent = value; }
636                 }
637                 
638                 public string StateFile {
639                         get { return stateFile; }
640                         set { stateFile = value; }
641                 }
642                 
643                 [Output]
644                 public ITaskItem[] SuggestedRedirects {
645                         get { return suggestedRedirects; }
646                 }
647                 
648                 public string[] TargetFrameworkDirectories {
649                         get { return targetFrameworkDirectories; }
650                         set { targetFrameworkDirectories = value; }
651                 }
652                 
653                 public string TargetProcessorArchitecture {
654                         get { return targetProcessorArchitecture; }
655                         set { targetProcessorArchitecture = value; }
656                 }
657
658                 static Dictionary<string, string> cultureNamesTable;
659                 static Dictionary<string, string> CultureNamesTable {
660                         get {
661                                 if (cultureNamesTable == null) {
662                                         cultureNamesTable = new Dictionary<string, string> ();
663                                         foreach (CultureInfo ci in CultureInfo.GetCultures (CultureTypes.AllCultures))
664                                                 cultureNamesTable [ci.Name] = ci.Name;
665                                 }
666
667                                 return cultureNamesTable;
668                         }
669                 }
670         }
671
672         static class ResolveAssemblyReferenceHelper {
673                 public static void AddUniqueFile (this Dictionary<string, ITaskItem> dic, ITaskItem item)
674                 {
675                         if (dic == null)
676                                 throw new ArgumentNullException ("dic");
677                         if (item == null)
678                                 throw new ArgumentNullException ("item");
679
680                         string fullpath = Path.GetFullPath (item.ItemSpec);
681                         if (!dic.ContainsKey (fullpath))
682                                 dic [fullpath] = item;
683                 }
684         }
685
686         struct PrimaryReference {
687                 public ITaskItem TaskItem;
688                 public string ParentCopyLocal;
689
690                 public PrimaryReference (ITaskItem item, string parent_copy_local)
691                 {
692                         TaskItem = item;
693                         ParentCopyLocal = parent_copy_local;
694                 }
695         }
696
697 }
698
699 #endif