mcs/class/Microsoft.Build/Microsoft.Build.Evaluation/Project.cs

   1 //
   2 // Project.cs
   3 //
   4 // Author:
   5 //   Leszek Ciesielski (skolima@gmail.com)
   6 //   Rolf Bjarne Kvinge (rolf@xamarin.com)
   7 //   Atsushi Enomoto (atsushi@xamarin.com)
   8 //
   9 // (C) 2011 Leszek Ciesielski
  10 // Copyright (C) 2011,2013 Xamarin Inc. (http://www.xamarin.com)
  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;
  33 using System.Collections.Generic;
  34 using System.Diagnostics;
  35 using System.IO;
  36 using System.Linq;
  37 using System.Text;
  38 using System.Xml;
  39 using Microsoft.Build.Construction;
  40 using Microsoft.Build.Exceptions;
  41 using Microsoft.Build.Execution;
  42 using Microsoft.Build.Framework;
  43 using Microsoft.Build.Internal;
  44 using Microsoft.Build.Logging;
  45 using System.Collections;
  46
  47 namespace Microsoft.Build.Evaluation
  48 {
  49         [DebuggerDisplay ("{FullPath} EffectiveToolsVersion={ToolsVersion} #GlobalProperties="
  50         + "{data.globalProperties.Count} #Properties={data.Properties.Count} #ItemTypes="
  51         + "{data.ItemTypes.Count} #ItemDefinitions={data.ItemDefinitions.Count} #Items="
  52         + "{data.Items.Count} #Targets={data.Targets.Count}")]
  53         public class Project
  54         {
  55                 public Project (XmlReader xml)
  56                         : this (ProjectRootElement.Create (xml))
  57                 {
  58                 }
  59
  60                 public Project (XmlReader xml, IDictionary<string, string> globalProperties,
  61                                               string toolsVersion)
  62                         : this (ProjectRootElement.Create (xml), globalProperties, toolsVersion)
  63                 {
  64                 }
  65
  66                 public Project (XmlReader xml, IDictionary<string, string> globalProperties,
  67                                               string toolsVersion, ProjectCollection projectCollection)
  68                         : this (ProjectRootElement.Create (xml), globalProperties, toolsVersion, projectCollection)
  69                 {
  70                 }
  71
  72                 public Project (XmlReader xml, IDictionary<string, string> globalProperties,
  73                                               string toolsVersion, ProjectCollection projectCollection,
  74                                               ProjectLoadSettings loadSettings)
  75                         : this (ProjectRootElement.Create (xml), globalProperties, toolsVersion, projectCollection, loadSettings)
  76                 {
  77                 }
  78
  79                 public Project (ProjectRootElement xml) : this (xml, null, null)
  80                 {
  81                 }
  82
  83                 public Project (ProjectRootElement xml, IDictionary<string, string> globalProperties,
  84                                               string toolsVersion)
  85                         : this (xml, globalProperties, toolsVersion, ProjectCollection.GlobalProjectCollection)
  86                 {
  87                 }
  88
  89                 public Project (ProjectRootElement xml, IDictionary<string, string> globalProperties,
  90                                               string toolsVersion, ProjectCollection projectCollection)
  91                         : this (xml, globalProperties, toolsVersion, projectCollection, ProjectLoadSettings.Default)
  92                 {
  93                 }
  94
  95                 public Project (ProjectRootElement xml, IDictionary<string, string> globalProperties,
  96                                               string toolsVersion, ProjectCollection projectCollection,
  97                                               ProjectLoadSettings loadSettings)
  98                 {
  99                         if (projectCollection == null)
 100                                 throw new ArgumentNullException ("projectCollection");
 101                         this.Xml = xml;
 102                         this.GlobalProperties = globalProperties ?? new Dictionary<string, string> ();
 103                         this.ToolsVersion = toolsVersion;
 104                         this.ProjectCollection = projectCollection;
 105                         this.load_settings = loadSettings;
 106
 107                         Initialize (null);
 108                 }
 109
 110                 Project (ProjectRootElement imported, Project parent)
 111                 {
 112                         this.Xml = imported;
 113                         this.GlobalProperties = parent.GlobalProperties;
 114                         this.ToolsVersion = parent.ToolsVersion;
 115                         this.ProjectCollection = parent.ProjectCollection;
 116                         this.load_settings = parent.load_settings;
 117
 118                         Initialize (parent);
 119                 }
 120
 121                 public Project (string projectFile)
 122                         : this (projectFile, null, null)
 123                 {
 124                 }
 125
 126                 public Project (string projectFile, IDictionary<string, string> globalProperties,
 127                                 string toolsVersion)
 128                 : this (projectFile, globalProperties, toolsVersion, ProjectCollection.GlobalProjectCollection, ProjectLoadSettings.Default)
 129                 {
 130                 }
 131
 132                 public Project (string projectFile, IDictionary<string, string> globalProperties,
 133                                 string toolsVersion, ProjectCollection projectCollection)
 134                 : this (projectFile, globalProperties, toolsVersion, projectCollection, ProjectLoadSettings.Default)
 135                 {
 136                 }
 137
 138                 public Project (string projectFile, IDictionary<string, string> globalProperties,
 139                                 string toolsVersion, ProjectCollection projectCollection,
 140                                 ProjectLoadSettings loadSettings)
 141                         : this (ProjectRootElement.Create (projectFile), globalProperties, toolsVersion, projectCollection, loadSettings)
 142                 {
 143                 }
 144
 145                 ProjectLoadSettings load_settings;
 146
 147                 public IDictionary<string, string> GlobalProperties { get; private set; }
 148
 149                 public ProjectCollection ProjectCollection { get; private set; }
 150
 151                 public string ToolsVersion { get; private set; }
 152
 153                 public ProjectRootElement Xml { get; private set; }
 154
 155                 string dir_path;
 156                 Dictionary<string, ProjectItemDefinition> item_definitions;
 157                 List<ResolvedImport> raw_imports;
 158                 List<ProjectItem> raw_items;
 159                 List<ProjectItem> all_evaluated_items;
 160                 List<string> item_types;
 161                 List<ProjectProperty> properties;
 162                 Dictionary<string, ProjectTargetInstance> targets;
 163
 164                 void Initialize (Project parent)
 165                 {
 166                         dir_path = Directory.GetCurrentDirectory ();
 167                         raw_imports = new List<ResolvedImport> ();
 168                         item_definitions = new Dictionary<string, ProjectItemDefinition> ();
 169                         item_types = new List<string> ();
 170                         targets = new Dictionary<string, ProjectTargetInstance> ();
 171                         raw_items = new List<ProjectItem> ();
 172
 173                         // FIXME: this is likely hack. Test ImportedProject.Properties to see what exactly should happen.
 174                         if (parent != null) {
 175                                 properties = parent.properties;
 176                         } else {
 177                                 properties = new List<ProjectProperty> ();
 178
 179                                 foreach (DictionaryEntry p in Environment.GetEnvironmentVariables ())
 180                                         this.properties.Add (new EnvironmentProjectProperty (this, (string)p.Key, (string)p.Value));
 181                                 foreach (var p in GlobalProperties)
 182                                         this.properties.Add (new GlobalProjectProperty (this, p.Key, p.Value));
 183                                 var tools = ProjectCollection.GetToolset (this.ToolsVersion) ?? ProjectCollection.GetToolset (this.ProjectCollection.DefaultToolsVersion);
 184                                 foreach (var p in ReservedProjectProperty.GetReservedProperties (tools, this))
 185                                         this.properties.Add (p);
 186                                 foreach (var p in EnvironmentProjectProperty.GetWellKnownProperties (this))
 187                                         this.properties.Add (p);
 188                         }
 189
 190                         ProcessXml (parent);
 191                 }
 192
 193                 static readonly char [] item_sep = {';'};
 194
 195                 void ProcessXml (Project parent)
 196                 {
 197                         // this needs to be initialized here (regardless of that items won't be evaluated at property evaluation;
 198                         // Conditions could incorrectly reference items and lack of this list causes NRE.
 199                         all_evaluated_items = new List<ProjectItem> ();
 200
 201                         // property evaluation happens couple of times.
 202                         // At first step, all non-imported properties are evaluated TOO, WHILE those properties are being evaluated.
 203                         // This means, Include and IncludeGroup elements with Condition attribute MAY contain references to
 204                         // properties and they will be expanded.
 205                         var elements = EvaluatePropertiesAndImports (Xml.Children).ToArray (); // ToArray(): to not lazily evaluate elements.
 206
 207                         // next, evaluate items
 208                         EvaluateItems (elements);
 209                 }
 210
 211                 IEnumerable<ProjectElement> EvaluatePropertiesAndImports (IEnumerable<ProjectElement> elements)
 212                 {
 213                         // First step: evaluate Properties
 214                         foreach (var child in elements) {
 215                                 yield return child;
 216                                 var pge = child as ProjectPropertyGroupElement;
 217                                 if (pge != null && ShouldInclude (pge.Condition))
 218                                         foreach (var p in pge.Properties)
 219                                                 // do not allow overwriting reserved or well-known properties by user
 220                                                 if (!this.properties.Any (_ => (_.IsReservedProperty || _.IsWellKnownProperty) && _.Name.Equals (p.Name, StringComparison.InvariantCultureIgnoreCase)))
 221                                                         if (ShouldInclude (p.Condition))
 222                                                                 this.properties.Add (new XmlProjectProperty (this, p, PropertyType.Normal, ProjectCollection.OngoingImports.Any ()));
 223
 224                                 var ige = child as ProjectImportGroupElement;
 225                                 if (ige != null && ShouldInclude (ige.Condition)) {
 226                                         foreach (var incc in ige.Imports) {
 227                                                 foreach (var e in Import (incc))
 228                                                         yield return e;
 229                                         }
 230                                 }
 231                                 var inc = child as ProjectImportElement;
 232                                 if (inc != null && ShouldInclude (inc.Condition))
 233                                         foreach (var e in Import (inc))
 234                                                 yield return e;
 235                         }
 236                 }
 237
 238                 void EvaluateItems (IEnumerable<ProjectElement> elements)
 239                 {
 240                         foreach (var child in elements) {
 241                                 var ige = child as ProjectItemGroupElement;
 242                                 if (ige != null) {
 243                                         foreach (var p in ige.Items) {
 244                                                 if (!ShouldInclude (ige.Condition) || !ShouldInclude (p.Condition))
 245                                                         continue;
 246                                                 var includes = ExpandString (p.Include).Split (item_sep, StringSplitOptions.RemoveEmptyEntries);
 247                                                 var excludes = ExpandString (p.Exclude).Split (item_sep, StringSplitOptions.RemoveEmptyEntries);
 248
 249                                                 if (includes.Length == 0)
 250                                                         continue;
 251                                                 if (includes.Length == 1 && includes [0].IndexOf ('*') < 0 && excludes.Length == 0) {
 252                                                         // for most case - shortcut.
 253                                                         var item = new ProjectItem (this, p, includes [0]);
 254                                                         this.raw_items.Add (item);
 255                                                         all_evaluated_items.Add (item);
 256                                                 } else {
 257                                                         var ds = new Microsoft.Build.BuildEngine.DirectoryScanner () {
 258                                                                 BaseDirectory = new DirectoryInfo (DirectoryPath),
 259                                                                 Includes = includes.Select (i => new ProjectTaskItem (p, i)).ToArray (),
 260                                                                 Excludes = excludes.Select (i => new ProjectTaskItem (p, i)).ToArray (),
 261                                                         };
 262                                                         ds.Scan ();
 263                                                         foreach (var taskItem in ds.MatchedItems) {
 264                                                                 // FIXME: this "each" path could still be wildcard that needs to be expanded.
 265                                                                 var item = new ProjectItem (this, p, taskItem.ItemSpec);
 266                                                                 this.raw_items.Add (item);
 267                                                                 all_evaluated_items.Add (item);
 268                                                         }
 269                                                 }
 270                                         }
 271                                 }
 272                                 var def = child as ProjectItemDefinitionGroupElement;
 273                                 if (def != null) {
 274                                         foreach (var p in def.ItemDefinitions) {
 275                                                 if (ShouldInclude (p.Condition)) {
 276                                                         ProjectItemDefinition existing;
 277                                                         if (!item_definitions.TryGetValue (p.ItemType, out existing))
 278                                                                 item_definitions.Add (p.ItemType, (existing = new ProjectItemDefinition (this, p.ItemType)));
 279                                                         existing.AddItems (p);
 280                                                 }
 281                                         }
 282                                 }
 283                         }
 284                         all_evaluated_items.Sort ((p1, p2) => string.Compare (p1.ItemType, p2.ItemType, StringComparison.OrdinalIgnoreCase));
 285                 }
 286
 287                 IEnumerable<ProjectElement> Import (ProjectImportElement import)
 288                 {
 289                         string dir = GetEvaluationTimeThisFileDirectory ();
 290                         string path = Path.IsPathRooted (import.Project) ? import.Project : dir != null ? Path.Combine (dir, import.Project) : Path.GetFullPath (import.Project);
 291                         if (ProjectCollection.OngoingImports.Contains (path)) {
 292                                 switch (load_settings) {
 293                                 case ProjectLoadSettings.RejectCircularImports:
 294                                         throw new InvalidProjectFileException (import.Location, null, string.Format ("Circular imports was detected: {0} is already on \"importing\" stack", path));
 295                                 }
 296                                 return new ProjectElement [0]; // do not import circular references
 297                         }
 298                         ProjectCollection.OngoingImports.Push (path);
 299                         try {
 300                                 using (var reader = XmlReader.Create (path)) {
 301                                         var root = ProjectRootElement.Create (reader, ProjectCollection);
 302                                         raw_imports.Add (new ResolvedImport (import, root, true));
 303                                         return this.EvaluatePropertiesAndImports (root.Children).ToArray ();
 304                                 }
 305                         } finally {
 306                                 ProjectCollection.OngoingImports.Pop ();
 307                         }
 308                 }
 309
 310                 public ICollection<ProjectItem> GetItemsIgnoringCondition (string itemType)
 311                 {
 312                         return new CollectionFromEnumerable<ProjectItem> (raw_items.Where (p => p.ItemType.Equals (itemType, StringComparison.OrdinalIgnoreCase)));
 313                 }
 314
 315                 public void RemoveItems (IEnumerable<ProjectItem> items)
 316                 {
 317                         var removal = new List<ProjectItem> (items);
 318                         foreach (var item in removal) {
 319                                 var parent = item.Xml.Parent;
 320                                 parent.RemoveChild (item.Xml);
 321                                 if (parent.Count == 0)
 322                                         parent.Parent.RemoveChild (parent);
 323                         }
 324                 }
 325
 326                 static readonly Dictionary<string, string> empty_metadata = new Dictionary<string, string> ();
 327
 328                 public IList<ProjectItem> AddItem (string itemType, string unevaluatedInclude)
 329                 {
 330                         return AddItem (itemType, unevaluatedInclude, empty_metadata);
 331                 }
 332
 333                 public IList<ProjectItem> AddItem (string itemType, string unevaluatedInclude,
 334                                 IEnumerable<KeyValuePair<string, string>> metadata)
 335                 {
 336                         // FIXME: needs several check that AddItemFast() does not process (see MSDN for details).
 337
 338                         return AddItemFast (itemType, unevaluatedInclude, metadata);
 339                 }
 340
 341                 public IList<ProjectItem> AddItemFast (string itemType, string unevaluatedInclude)
 342                 {
 343                         return AddItemFast (itemType, unevaluatedInclude, empty_metadata);
 344                 }
 345
 346                 public IList<ProjectItem> AddItemFast (string itemType, string unevaluatedInclude,
 347                                                                      IEnumerable<KeyValuePair<string, string>> metadata)
 348                 {
 349                         throw new NotImplementedException ();
 350                 }
 351
 352                 public bool Build ()
 353                 {
 354                         return Build (Xml.DefaultTargets.Split (';'));
 355                 }
 356
 357                 public bool Build (IEnumerable<ILogger> loggers)
 358                 {
 359                         return Build (Xml.DefaultTargets.Split (';'), loggers);
 360                 }
 361
 362                 public bool Build (string target)
 363                 {
 364                         return string.IsNullOrWhiteSpace (target) ? Build () : Build (new string [] {target});
 365                 }
 366
 367                 public bool Build (string[] targets)
 368                 {
 369                         return Build (targets, new ILogger [0]);
 370                 }
 371
 372                 public bool Build (ILogger logger)
 373                 {
 374                         return Build (Xml.DefaultTargets.Split (';'), new ILogger [] {logger});
 375                 }
 376
 377                 public bool Build (string[] targets, IEnumerable<ILogger> loggers)
 378                 {
 379                         return Build (targets, loggers, new ForwardingLoggerRecord [0]);
 380                 }
 381
 382                 public bool Build (IEnumerable<ILogger> loggers, IEnumerable<ForwardingLoggerRecord> remoteLoggers)
 383                 {
 384                         return Build (Xml.DefaultTargets.Split (';'), loggers, remoteLoggers);
 385                 }
 386
 387                 public bool Build (string target, IEnumerable<ILogger> loggers)
 388                 {
 389                         return Build (new string [] { target }, loggers);
 390                 }
 391
 392                 public bool Build (string[] targets, IEnumerable<ILogger> loggers, IEnumerable<ForwardingLoggerRecord> remoteLoggers)
 393                 {
 394                         // Unlike ProjectInstance.Build(), there is no place to fill outputs by targets, so ignore them
 395                         // (i.e. we don't use the overload with output).
 396                         //
 397                         // This does not check FullPath, so don't call GetProjectInstanceForBuild() directly.
 398                         return new BuildManager ().GetProjectInstanceForBuildInternal (this).Build (targets, loggers, remoteLoggers);
 399                 }
 400
 401                 public bool Build (string target, IEnumerable<ILogger> loggers, IEnumerable<ForwardingLoggerRecord> remoteLoggers)
 402                 {
 403                         return Build (new string [] { target }, loggers, remoteLoggers);
 404                 }
 405
 406                 public ProjectInstance CreateProjectInstance ()
 407                 {
 408                         var ret = new ProjectInstance (Xml, GlobalProperties, ToolsVersion, ProjectCollection);
 409                         // FIXME: maybe fill other properties to the result.
 410                         return ret;
 411                 }
 412
 413                 bool ShouldInclude (string unexpandedValue)
 414                 {
 415                         return string.IsNullOrWhiteSpace (unexpandedValue) || new ExpressionEvaluator (this, null).EvaluateAsBoolean (unexpandedValue);
 416                 }
 417
 418                 public string ExpandString (string unexpandedValue)
 419                 {
 420                         return ExpandString (unexpandedValue, null);
 421                 }
 422
 423                 string ExpandString (string unexpandedValue, string replacementForMissingStuff)
 424                 {
 425                         return new ExpressionEvaluator (this, replacementForMissingStuff).Evaluate (unexpandedValue);
 426                 }
 427
 428                 public static string GetEvaluatedItemIncludeEscaped (ProjectItem item)
 429                 {
 430                         return ProjectCollection.Escape (item.EvaluatedInclude);
 431                 }
 432
 433                 public static string GetEvaluatedItemIncludeEscaped (ProjectItemDefinition item)
 434                 {
 435                         throw new NotImplementedException ();
 436                 }
 437
 438                 public ICollection<ProjectItem> GetItems (string itemType)
 439                 {
 440                         return new CollectionFromEnumerable<ProjectItem> (Items.Where (p => p.ItemType.Equals (itemType, StringComparison.OrdinalIgnoreCase)));
 441                 }
 442
 443                 public ICollection<ProjectItem> GetItemsByEvaluatedInclude (string evaluatedInclude)
 444                 {
 445                         return new CollectionFromEnumerable<ProjectItem> (Items.Where (p => p.EvaluatedInclude.Equals (evaluatedInclude, StringComparison.OrdinalIgnoreCase)));
 446                 }
 447
 448                 public IEnumerable<ProjectElement> GetLogicalProject ()
 449                 {
 450                         throw new NotImplementedException ();
 451                 }
 452
 453                 public static string GetMetadataValueEscaped (ProjectMetadata metadatum)
 454                 {
 455                         return ProjectCollection.Escape (metadatum.EvaluatedValue);
 456                 }
 457
 458                 public static string GetMetadataValueEscaped (ProjectItem item, string name)
 459                 {
 460                         var md = item.GetMetadata (name);
 461                         return md != null ? ProjectCollection.Escape (md.EvaluatedValue) : null;
 462                 }
 463
 464                 public static string GetMetadataValueEscaped (ProjectItemDefinition item, string name)
 465                 {
 466                         var md = item.Metadata.FirstOrDefault (m => m.Name == name);
 467                         return md != null ? ProjectCollection.Escape (md.EvaluatedValue) : null;
 468                 }
 469
 470                 public string GetPropertyValue (string name)
 471                 {
 472                         var prop = GetProperty (name);
 473                         return prop != null ? prop.EvaluatedValue : string.Empty;
 474                 }
 475
 476                 public static string GetPropertyValueEscaped (ProjectProperty property)
 477                 {
 478                         // WTF happens here.
 479                         return property.EvaluatedValue;
 480                 }
 481
 482                 public ProjectProperty GetProperty (string name)
 483                 {
 484                         return properties.FirstOrDefault (p => p.Name.Equals (name, StringComparison.OrdinalIgnoreCase));
 485                 }
 486
 487                 public void MarkDirty ()
 488                 {
 489                         if (!DisableMarkDirty)
 490                                 is_dirty = true;
 491                 }
 492
 493                 public void ReevaluateIfNecessary ()
 494                 {
 495                         throw new NotImplementedException ();
 496                 }
 497
 498                 public bool RemoveGlobalProperty (string name)
 499                 {
 500                         throw new NotImplementedException ();
 501                 }
 502
 503                 public bool RemoveItem (ProjectItem item)
 504                 {
 505                         throw new NotImplementedException ();
 506                 }
 507
 508                 public bool RemoveProperty (ProjectProperty property)
 509                 {
 510                         var removed = properties.FirstOrDefault (p => p.Name == property.Name);
 511                         if (removed == null)
 512                                 return false;
 513                         properties.Remove (removed);
 514                         return true;
 515                 }
 516
 517                 public void Save ()
 518                 {
 519                         Xml.Save ();
 520                 }
 521
 522                 public void Save (TextWriter writer)
 523                 {
 524                         Xml.Save (writer);
 525                 }
 526
 527                 public void Save (string path)
 528                 {
 529                         Save (path, Encoding.Default);
 530                 }
 531
 532                 public void Save (Encoding encoding)
 533                 {
 534                         Save (FullPath, encoding);
 535                 }
 536
 537                 public void Save (string path, Encoding encoding)
 538                 {
 539                         using (var writer = new StreamWriter (path, false, encoding))
 540                                 Save (writer);
 541                 }
 542
 543                 public void SaveLogicalProject (TextWriter writer)
 544                 {
 545                         throw new NotImplementedException ();
 546                 }
 547
 548                 public bool SetGlobalProperty (string name, string escapedValue)
 549                 {
 550                         throw new NotImplementedException ();
 551                 }
 552
 553                 public ProjectProperty SetProperty (string name, string unevaluatedValue)
 554                 {
 555                         var p = new ManuallyAddedProjectProperty (this, name, unevaluatedValue);
 556                         properties.Add (p);
 557                         return p;
 558                 }
 559
 560                 public ICollection<ProjectMetadata> AllEvaluatedItemDefinitionMetadata {
 561                         get { throw new NotImplementedException (); }
 562                 }
 563
 564                 public ICollection<ProjectItem> AllEvaluatedItems {
 565                         get { return all_evaluated_items; }
 566                 }
 567
 568                 public ICollection<ProjectProperty> AllEvaluatedProperties {
 569                         get { return properties; }
 570                 }
 571
 572                 public IDictionary<string, List<string>> ConditionedProperties {
 573                         get {
 574                                 // this property returns different instances every time.
 575                                 var dic = new Dictionary<string, List<string>> ();
 576
 577                                 // but I dunno HOW this evaluates
 578
 579                                 throw new NotImplementedException ();
 580                         }
 581                 }
 582
 583                 public string DirectoryPath {
 584                         get { return dir_path; }
 585                 }
 586
 587                 public bool DisableMarkDirty { get; set; }
 588
 589                 public int EvaluationCounter {
 590                         get { throw new NotImplementedException (); }
 591                 }
 592
 593                 public string FullPath {
 594                         get { return Xml.FullPath; }
 595                         set { Xml.FullPath = value; }
 596                 }
 597
 598                 class ResolvedImportComparer : IEqualityComparer<ResolvedImport>
 599                 {
 600                         public static ResolvedImportComparer Instance = new ResolvedImportComparer ();
 601
 602                         public bool Equals (ResolvedImport x, ResolvedImport y)
 603                         {
 604                                 return x.ImportedProject.FullPath.Equals (y.ImportedProject.FullPath);
 605                         }
 606                         public int GetHashCode (ResolvedImport obj)
 607                         {
 608                                 return obj.ImportedProject.FullPath.GetHashCode ();
 609                         }
 610                 }
 611
 612                 public IList<ResolvedImport> Imports {
 613                         get { return raw_imports.Distinct (ResolvedImportComparer.Instance).ToList (); }
 614                 }
 615
 616                 public IList<ResolvedImport> ImportsIncludingDuplicates {
 617                         get { return raw_imports; }
 618                 }
 619
 620                 public bool IsBuildEnabled {
 621                         get { return ProjectCollection.IsBuildEnabled; }
 622                 }
 623
 624                 bool is_dirty;
 625                 public bool IsDirty {
 626                         get { return is_dirty; }
 627                 }
 628
 629                 public IDictionary<string, ProjectItemDefinition> ItemDefinitions {
 630                         get { return item_definitions; }
 631                 }
 632
 633                 [MonoTODO ("should be different from AllEvaluatedItems")]
 634                 public ICollection<ProjectItem> Items {
 635                         get { return AllEvaluatedItems; }
 636                 }
 637
 638                 public ICollection<ProjectItem> ItemsIgnoringCondition {
 639                         get { return raw_items; }
 640                 }
 641
 642                 public ICollection<string> ItemTypes {
 643                         get { return new CollectionFromEnumerable<string> (raw_items.Select (i => i.ItemType).Distinct ()); }
 644                 }
 645
 646                 [MonoTODO ("should be different from AllEvaluatedProperties")]
 647                 public ICollection<ProjectProperty> Properties {
 648                         get { return AllEvaluatedProperties; }
 649                 }
 650
 651                 public bool SkipEvaluation { get; set; }
 652
 653                 #if NET_4_5
 654                 public
 655                 #else
 656                 internal
 657                 #endif
 658                 IDictionary<string, ProjectTargetInstance> Targets {
 659                         get { return targets; }
 660                 }
 661
 662                 // These are required for reserved property, represents dynamically changing property values.
 663                 // This should resolve to either the project file path or that of the imported file.
 664                 internal string GetEvaluationTimeThisFileDirectory ()
 665                 {
 666                         var file = GetEvaluationTimeThisFile ();
 667                         var dir = Path.IsPathRooted (file) ? Path.GetDirectoryName (file) : Directory.GetCurrentDirectory ();
 668                         return dir + Path.DirectorySeparatorChar;
 669                 }
 670
 671                 internal string GetEvaluationTimeThisFile ()
 672                 {
 673                         return ProjectCollection.OngoingImports.Count > 0 ? ProjectCollection.OngoingImports.Peek () : FullPath ?? string.Empty;
 674                 }
 675
 676                 internal string GetFullPath (string pathRelativeToProject)
 677                 {
 678                         if (Path.IsPathRooted (pathRelativeToProject))
 679                                 return pathRelativeToProject;
 680                         return Path.GetFullPath (Path.Combine (DirectoryPath, pathRelativeToProject));
 681                 }
 682         }
 683 }