mcs/tools/xbuild/SolutionParser.cs

   1 //
   2 // SolutionParser.cs: Generates a project file from a solution file.
   3 //
   4 // Author:
   5 //   Jonathan Chambers (joncham@gmail.com)
   6 //   Ankit Jain <jankit@novell.com>
   7 //   Lluis Sanchez Gual <lluis@novell.com>
   8 //
   9 // (C) 2009 Jonathan Chambers
  10 // Copyright 2008, 2009 Novell, Inc (http://www.novell.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 using System;
  32 using System.Collections.Generic;
  33 using System.Linq;
  34 using System.Text;
  35 using System.Text.RegularExpressions;
  36 using System.IO;
  37 using Microsoft.Build.BuildEngine;
  38
  39 namespace Mono.XBuild.CommandLine {
  40         class ProjectInfo {
  41                 public string Name;
  42                 public string FileName;
  43                 public Guid Guid;
  44
  45                 public ProjectInfo (string name, string fileName)
  46                 {
  47                         Name = name;
  48                         FileName = fileName;
  49                 }
  50
  51                 public Dictionary<TargetInfo, TargetInfo> TargetMap = new Dictionary<TargetInfo, TargetInfo> ();
  52                 public Dictionary<Guid, ProjectInfo> Dependencies = new Dictionary<Guid, ProjectInfo> ();
  53                 public Dictionary<string, ProjectSection> ProjectSections = new Dictionary<string, ProjectSection> ();
  54                 public List<string> AspNetConfigurations = new List<string> ();
  55         }
  56
  57         class ProjectSection {
  58                 public string Name;
  59                 public Dictionary<string, string> Properties = new Dictionary<string, string> ();
  60
  61                 public ProjectSection (string name)
  62                 {
  63                         Name = name;
  64                 }
  65         }
  66
  67         struct TargetInfo {
  68                 public string Configuration;
  69                 public string Platform;
  70                 public bool Build;
  71
  72                 public TargetInfo (string configuration, string platform)
  73                         : this (configuration, platform, false)
  74                 {
  75                 }
  76
  77                 public TargetInfo (string configuration, string platform, bool build)
  78                 {
  79                         Configuration = configuration;
  80                         Platform = platform;
  81                         Build = build;
  82                 }
  83         }
  84
  85
  86         internal delegate void RaiseWarningHandler (int errorNumber, string message);
  87
  88         class SolutionParser {
  89                 static string[] buildTargets = new string[] { "Build", "Clean", "Rebuild", "Publish" };
  90
  91                 static string guidExpression = "{[A-Fa-f0-9]{8}-[A-Fa-f0-9]{4}-[A-Fa-f0-9]{4}-[A-Fa-f0-9]{4}-[A-Fa-f0-9]{12}}";
  92
  93                 static Regex slnVersionRegex = new Regex (@"Microsoft Visual Studio Solution File, Format Version (\d?\d.\d\d)");
  94                 static Regex projectRegex = new Regex ("Project\\(\"(" + guidExpression + ")\"\\) = \"(.*?)\", \"(.*?)\", \"(" + guidExpression + ")\"(\\s*?)((\\s*?)ProjectSection\\((.*?)\\) = (.*?)EndProjectSection(\\s*?))*(\\s*?)(EndProject)?", RegexOptions.Singleline);
  95                 static Regex projectDependenciesRegex = new Regex ("ProjectSection\\((.*?)\\) = \\w*(.*?)EndProjectSection", RegexOptions.Singleline);
  96                 static Regex projectDependencyRegex = new Regex ("\\s*(" + guidExpression + ") = (" + guidExpression + ")");
  97                 static Regex projectSectionPropertiesRegex = new Regex ("\\s*(?<name>.*) = \"(?<value>.*)\"");
  98
  99                 static Regex globalRegex = new Regex ("Global(.*)EndGlobal", RegexOptions.Singleline);
 100                 static Regex globalSectionRegex = new Regex ("GlobalSection\\((.*?)\\) = \\w*(.*?)EndGlobalSection", RegexOptions.Singleline);
 101
 102                 static Regex solutionConfigurationRegex = new Regex ("\\s*(.*?)\\|(.*?) = (.*?)\\|(.+)");
 103                 static Regex projectConfigurationActiveCfgRegex = new Regex ("\\s*(" + guidExpression + ")\\.(.+?)\\|(.+?)\\.ActiveCfg = (.+?)\\|(.+)");
 104                 static Regex projectConfigurationBuildRegex = new Regex ("\\s*(" + guidExpression + ")\\.(.*?)\\|(.*?)\\.Build\\.0 = (.*?)\\|(.+)");
 105
 106                 static string solutionFolderGuid = "{2150E333-8FDC-42A3-9474-1A3956D46DE8}";
 107                 static string vcprojGuid = "{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}";
 108                 static string websiteProjectGuid = "{E24C65DC-7377-472B-9ABA-BC803B73C61A}";
 109
 110                 RaiseWarningHandler RaiseWarning;
 111
 112                 public void ParseSolution (string file, Project p, RaiseWarningHandler RaiseWarning)
 113                 {
 114                         this.RaiseWarning = RaiseWarning;
 115                         EmitBeforeImports (p, file);
 116
 117                         AddGeneralSettings (file, p);
 118
 119                         StreamReader reader = new StreamReader (file);
 120
 121                         string slnVersion = GetSlnFileVersion (reader);
 122
 123                         if (slnVersion == "12.00")
 124 #if XBUILD_14
 125                                 p.DefaultToolsVersion = "14.0";
 126 #elif XBUILD_12
 127                                 p.DefaultToolsVersion = "12.0";
 128 #else
 129                                 p.DefaultToolsVersion = "4.0";
 130 #endif
 131                         else if (slnVersion == "11.00")
 132                                 p.DefaultToolsVersion = "4.0";
 133                         else if (slnVersion == "10.00")
 134                                 p.DefaultToolsVersion = "3.5";
 135                         else
 136                                 p.DefaultToolsVersion = "2.0";
 137
 138                         string line = reader.ReadToEnd ();
 139                         line = line.Replace ("\r\n", "\n");
 140                         string solutionDir = Path.GetDirectoryName (file);
 141
 142                         List<TargetInfo> solutionTargets = new List<TargetInfo> ();
 143                         Dictionary<Guid, ProjectInfo> projectInfos = new Dictionary<Guid, ProjectInfo> ();
 144                         Dictionary<Guid, ProjectInfo> websiteProjectInfos = new Dictionary<Guid, ProjectInfo> ();
 145                         List<ProjectInfo>[] infosByLevel = null;
 146                         Dictionary<Guid, ProjectInfo> unsupportedProjectInfos = new Dictionary<Guid, ProjectInfo> ();
 147
 148                         Match m = projectRegex.Match (line);
 149                         while (m.Success) {
 150                                 ProjectInfo projectInfo = new ProjectInfo (m.Groups[2].Value,
 151                                                                 Path.GetFullPath (Path.Combine (solutionDir,
 152                                                                         m.Groups [3].Value.Replace ('\\', Path.DirectorySeparatorChar))));
 153                                 if (String.Compare (m.Groups [1].Value, solutionFolderGuid,
 154                                                 StringComparison.InvariantCultureIgnoreCase) == 0) {
 155                                         // Ignore solution folders
 156                                         m = m.NextMatch ();
 157                                         continue;
 158                                 }
 159
 160                                 projectInfo.Guid = new Guid (m.Groups [4].Value);
 161
 162                                 if (String.Compare (m.Groups [1].Value, vcprojGuid,
 163                                                 StringComparison.InvariantCultureIgnoreCase) == 0) {
 164                                         // Ignore vcproj
 165                                         RaiseWarning (0, string.Format("Ignoring vcproj '{0}'.", projectInfo.Name));
 166
 167                                         unsupportedProjectInfos [projectInfo.Guid] = projectInfo;
 168                                         m = m.NextMatch ();
 169                                         continue;
 170                                 }
 171
 172                                 if (String.Compare (m.Groups [1].Value, websiteProjectGuid,
 173                                                 StringComparison.InvariantCultureIgnoreCase) == 0)
 174                                         websiteProjectInfos.Add (new Guid (m.Groups[4].Value), projectInfo);
 175                                 else
 176                                         projectInfos.Add (projectInfo.Guid, projectInfo);
 177
 178                                 Match projectSectionMatch = projectDependenciesRegex.Match (m.Groups[6].Value);
 179                                 while (projectSectionMatch.Success) {
 180                                         string section_name = projectSectionMatch.Groups [1].Value;
 181                                         if (String.Compare (section_name, "ProjectDependencies") == 0) {
 182                                                 Match projectDependencyMatch = projectDependencyRegex.Match (projectSectionMatch.Value);
 183                                                 while (projectDependencyMatch.Success) {
 184                                                         // we might not have projectInfo available right now, so
 185                                                         // set it to null, and fill it in later
 186                                                         projectInfo.Dependencies [new Guid (projectDependencyMatch.Groups[1].Value)] = null;
 187                                                         projectDependencyMatch = projectDependencyMatch.NextMatch ();
 188                                                 }
 189                                         } else {
 190                                                 ProjectSection section = new ProjectSection (section_name);
 191                                                 Match propertiesMatch = projectSectionPropertiesRegex.Match (
 192                                                                         projectSectionMatch.Groups [2].Value);
 193                                                 while (propertiesMatch.Success) {
 194                                                         section.Properties [propertiesMatch.Groups ["name"].Value] =
 195                                                                 propertiesMatch.Groups ["value"].Value;
 196
 197                                                         propertiesMatch = propertiesMatch.NextMatch ();
 198                                                 }
 199
 200                                                 projectInfo.ProjectSections [section_name] = section;
 201                                         }
 202                                         projectSectionMatch = projectSectionMatch.NextMatch ();
 203                                 }
 204                                 m = m.NextMatch ();
 205                         }
 206
 207                         foreach (ProjectInfo projectInfo in projectInfos.Values) {
 208                                 string filename = projectInfo.FileName;
 209                                 string projectDir = Path.GetDirectoryName (filename);
 210
 211                                 if (!File.Exists (filename)) {
 212                                         RaiseWarning (0, String.Format ("Project file {0} referenced in the solution file, " +
 213                                                                 "not found. Ignoring.", filename));
 214                                         continue;
 215                                 }
 216
 217                                 Project currentProject = p.ParentEngine.CreateNewProject ();
 218                                 try {
 219                                         currentProject.Load (filename, ProjectLoadSettings.IgnoreMissingImports);
 220                                 } catch (InvalidProjectFileException e) {
 221                                         RaiseWarning (0, e.Message);
 222                                         continue;
 223                                 }
 224
 225                                 foreach (BuildItem bi in currentProject.GetEvaluatedItemsByName ("ProjectReference")) {
 226                                         ProjectInfo info = null;
 227                                         string projectReferenceGuid = bi.GetEvaluatedMetadata ("Project");
 228                                         bool hasGuid = !String.IsNullOrEmpty (projectReferenceGuid);
 229
 230                                         // try to resolve the ProjectReference by GUID
 231                                         // and fallback to project filename
 232
 233                                         if (hasGuid) {
 234                                                 Guid guid = new Guid (projectReferenceGuid);
 235                                                 projectInfos.TryGetValue (guid, out info);
 236                                                 if (info == null && unsupportedProjectInfos.TryGetValue (guid, out info)) {
 237                                                         RaiseWarning (0, String.Format (
 238                                                                         "{0}: ProjectReference '{1}' is of an unsupported type. Ignoring.",
 239                                                                         filename, bi.Include));
 240                                                         continue;
 241                                                 }
 242                                         }
 243
 244                                         if (info == null || !hasGuid) {
 245                                                 // Project not found by guid or guid not available
 246                                                 // Try to find by project file
 247
 248                                                 string fullpath = Path.GetFullPath (Path.Combine (projectDir, bi.Include.Replace ('\\', Path.DirectorySeparatorChar)));
 249                                                 info = projectInfos.Values.FirstOrDefault (pi => pi.FileName == fullpath);
 250
 251                                                 if (info == null) {
 252                                                         if (unsupportedProjectInfos.Values.Any (pi => pi.FileName == fullpath))
 253                                                                 RaiseWarning (0, String.Format (
 254                                                                                 "{0}: ProjectReference '{1}' is of an unsupported type. Ignoring.",
 255                                                                                 filename, bi.Include));
 256                                                         else
 257                                                                 RaiseWarning (0, String.Format (
 258                                                                                 "{0}: ProjectReference '{1}' not found, neither by guid '{2}' nor by project file name '{3}'.",
 259                                                                                 filename, bi.Include, projectReferenceGuid.Replace ("{", "").Replace ("}", ""), fullpath));
 260                                                 }
 261
 262                                         }
 263
 264                                         if (info != null)
 265                                                 projectInfo.Dependencies [info.Guid] = info;
 266                                 }
 267
 268                                 // unload the project after reading info from it
 269                                 // it'll be reloaded with proper context when building the solution
 270                                 p.ParentEngine.UnloadProject (currentProject);
 271                         }
 272
 273                         // fill in the project info for deps found in the .sln file
 274                         foreach (ProjectInfo projectInfo in projectInfos.Values) {
 275                                 List<Guid> missingInfos = new List<Guid> ();
 276                                 foreach (KeyValuePair<Guid, ProjectInfo> dependency in projectInfo.Dependencies) {
 277                                         if (dependency.Value == null)
 278                                                 missingInfos.Add (dependency.Key);
 279                                 }
 280
 281                                 foreach (Guid guid in missingInfos) {
 282                                         ProjectInfo info;
 283                                         if (projectInfos.TryGetValue (guid, out info))
 284                                                 projectInfo.Dependencies [guid] = info;
 285                                         else
 286                                                 projectInfo.Dependencies.Remove (guid);
 287                                 }
 288                         }
 289
 290                         Match globalMatch = globalRegex.Match (line);
 291                         Match globalSectionMatch = globalSectionRegex.Match (globalMatch.Groups[1].Value);
 292                         while (globalSectionMatch.Success) {
 293                                 string sectionType = globalSectionMatch.Groups[1].Value;
 294                                 switch (sectionType) {
 295                                         case "SolutionConfigurationPlatforms":
 296                                                 ParseSolutionConfigurationPlatforms (globalSectionMatch.Groups[2].Value, solutionTargets);
 297                                                 break;
 298                                         case "ProjectConfigurationPlatforms":
 299                                                 ParseProjectConfigurationPlatforms (globalSectionMatch.Groups[2].Value,
 300                                                                 projectInfos, websiteProjectInfos);
 301                                                 break;
 302                                         case "SolutionProperties":
 303                                                 ParseSolutionProperties (globalSectionMatch.Groups[2].Value);
 304                                                 break;
 305                                         case "NestedProjects":
 306                                                 break;
 307                                         case "MonoDevelopProperties":
 308                                                 break;
 309                                         default:
 310                                                 RaiseWarning (0, string.Format("Don't know how to handle GlobalSection {0}, Ignoring.", sectionType));
 311                                                 break;
 312                                 }
 313                                 globalSectionMatch = globalSectionMatch.NextMatch ();
 314                         }
 315
 316                         int num_levels = AddBuildLevels (p, solutionTargets, projectInfos, ref infosByLevel);
 317
 318                         AddCurrentSolutionConfigurationContents (p, solutionTargets, projectInfos, websiteProjectInfos);
 319                         AddProjectReferences (p, projectInfos);
 320                         AddWebsiteProperties (p, websiteProjectInfos, projectInfos);
 321                         AddValidateSolutionConfiguration (p);
 322
 323                         EmitAfterImports (p, file);
 324
 325                         AddGetFrameworkPathTarget (p);
 326                         AddWebsiteTargets (p, websiteProjectInfos, projectInfos, infosByLevel, solutionTargets);
 327                         AddProjectTargets (p, solutionTargets, projectInfos);
 328                         AddSolutionTargets (p, num_levels, websiteProjectInfos.Values);
 329                 }
 330
 331                 string GetSlnFileVersion (StreamReader reader)
 332                 {
 333                         string strInput = null;
 334                         Match match;
 335
 336                         strInput = reader.ReadLine();
 337                         if (strInput == null)
 338                                 return null;
 339
 340                         match = slnVersionRegex.Match(strInput);
 341                         if (!match.Success) {
 342                                 strInput = reader.ReadLine();
 343                                 if (strInput == null)
 344                                         return null;
 345                                 match = slnVersionRegex.Match (strInput);
 346                         }
 347
 348                         if (match.Success)
 349                                 return match.Groups[1].Value;
 350
 351                         return null;
 352                 }
 353
 354                 void EmitBeforeImports (Project p, string file)
 355                 {
 356                         p.AddNewImport ("$(MSBuildExtensionsPath)\\$(MSBuildToolsVersion)\\SolutionFile\\ImportBefore\\*",
 357                                         "'$(ImportByWildcardBeforeSolution)' != 'false' and " +
 358                                         "Exists('$(MSBuildExtensionsPath)\\$(MSBuildToolsVersion)\\SolutionFile\\ImportBefore')");
 359
 360                         string before_filename = Path.Combine (Path.GetDirectoryName (file), "before." + Path.GetFileName (file) + ".targets");
 361                         p.AddNewImport (before_filename, String.Format ("Exists ('{0}')", before_filename));
 362                 }
 363
 364                 void EmitAfterImports (Project p, string file)
 365                 {
 366                         p.AddNewImport ("$(MSBuildExtensionsPath)\\$(MSBuildToolsVersion)\\SolutionFile\\ImportAfter\\*",
 367                                         "'$(ImportByWildcardAfterSolution)' != 'false' and " +
 368                                         "Exists('$(MSBuildExtensionsPath)\\$(MSBuildToolsVersion)\\SolutionFile\\ImportAfter')");
 369
 370                         string after_filename = Path.Combine (Path.GetDirectoryName (file), "after." + Path.GetFileName (file) + ".targets");
 371                         p.AddNewImport (after_filename, String.Format ("Exists ('{0}')", after_filename));
 372                 }
 373
 374                 void AddGeneralSettings (string solutionFile, Project p)
 375                 {
 376                         p.DefaultTargets = "Build";
 377                         p.InitialTargets = "ValidateSolutionConfiguration";
 378                         p.AddNewUsingTaskFromAssemblyName ("CreateTemporaryVCProject", "Microsoft.Build.Tasks, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a");
 379                         p.AddNewUsingTaskFromAssemblyName ("ResolveVCProjectOutput", "Microsoft.Build.Tasks, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a");
 380
 381                         string solutionFilePath = Path.GetFullPath (solutionFile);
 382                         BuildPropertyGroup solutionPropertyGroup = p.AddNewPropertyGroup (true);
 383                         solutionPropertyGroup.AddNewProperty ("SolutionDir", Path.GetDirectoryName (solutionFilePath) + Path.DirectorySeparatorChar);
 384                         solutionPropertyGroup.AddNewProperty ("SolutionExt", Path.GetExtension (solutionFile));
 385                         solutionPropertyGroup.AddNewProperty ("SolutionFileName", Path.GetFileName (solutionFile));
 386                         solutionPropertyGroup.AddNewProperty ("SolutionName", Path.GetFileNameWithoutExtension (solutionFile));
 387                         solutionPropertyGroup.AddNewProperty ("SolutionPath", solutionFilePath);
 388                 }
 389
 390                 void ParseSolutionConfigurationPlatforms (string section, List<TargetInfo> solutionTargets)
 391                 {
 392                         Match solutionConfigurationPlatform = solutionConfigurationRegex.Match (section);
 393                         while (solutionConfigurationPlatform.Success) {
 394                                 string solutionConfiguration = solutionConfigurationPlatform.Groups[1].Value;
 395                                 string solutionPlatform = solutionConfigurationPlatform.Groups[2].Value;
 396                                 solutionTargets.Add (new TargetInfo (solutionConfiguration, solutionPlatform));
 397                                 solutionConfigurationPlatform = solutionConfigurationPlatform.NextMatch ();
 398                         }
 399                 }
 400
 401                 // ignores the website projects, in the websiteProjectInfos
 402                 void ParseProjectConfigurationPlatforms (string section, Dictionary<Guid, ProjectInfo> projectInfos,
 403                                 Dictionary<Guid, ProjectInfo> websiteProjectInfos)
 404                 {
 405                         List<Guid> missingGuids = new List<Guid> ();
 406                         Match projectConfigurationPlatform = projectConfigurationActiveCfgRegex.Match (section);
 407                         while (projectConfigurationPlatform.Success) {
 408                                 Guid guid = new Guid (projectConfigurationPlatform.Groups[1].Value);
 409                                 ProjectInfo projectInfo;
 410                                 if (!projectInfos.TryGetValue (guid, out projectInfo)) {
 411                                         if (!missingGuids.Contains (guid)) {
 412                                                 if (!websiteProjectInfos.ContainsKey (guid))
 413                                                         // ignore website projects
 414                                                         RaiseWarning (0, string.Format("Failed to find project {0}", guid));
 415                                                 missingGuids.Add (guid);
 416                                         }
 417                                         projectConfigurationPlatform = projectConfigurationPlatform.NextMatch ();
 418                                         continue;
 419                                 }
 420                                 string solConf = projectConfigurationPlatform.Groups[2].Value;
 421                                 string solPlat = projectConfigurationPlatform.Groups[3].Value;
 422                                 string projConf = projectConfigurationPlatform.Groups[4].Value;
 423                                 string projPlat = projectConfigurationPlatform.Groups[5].Value;
 424                                 // hack, what are they doing here?
 425                                 if (projPlat == "Any CPU")
 426                                         projPlat = "AnyCPU";
 427                                 projectInfo.TargetMap.Add (new TargetInfo (solConf, solPlat), new TargetInfo (projConf, projPlat));
 428                                 projectConfigurationPlatform = projectConfigurationPlatform.NextMatch ();
 429                         }
 430                         Match projectConfigurationPlatformBuild = projectConfigurationBuildRegex.Match (section);
 431                         while (projectConfigurationPlatformBuild.Success) {
 432                                 Guid guid = new Guid (projectConfigurationPlatformBuild.Groups[1].Value);
 433                                 ProjectInfo projectInfo;
 434                                 if (!projectInfos.TryGetValue (guid, out projectInfo)) {
 435                                         if (!missingGuids.Contains (guid)) {
 436                                                 RaiseWarning (0, string.Format("Failed to find project {0}", guid));
 437                                                 missingGuids.Add (guid);
 438                                         }
 439                                         projectConfigurationPlatformBuild = projectConfigurationPlatformBuild.NextMatch ();
 440                                         continue;
 441                                 }
 442                                 string solConf = projectConfigurationPlatformBuild.Groups[2].Value;
 443                                 string solPlat = projectConfigurationPlatformBuild.Groups[3].Value;
 444                                 string projConf = projectConfigurationPlatformBuild.Groups[4].Value;
 445                                 string projPlat = projectConfigurationPlatformBuild.Groups[5].Value;
 446                                 // hack, what are they doing here?
 447                                 if (projPlat == "Any CPU")
 448                                         projPlat = "AnyCPU";
 449                                 projectInfo.TargetMap[new TargetInfo (solConf, solPlat)] = new TargetInfo (projConf, projPlat, true);
 450                                 projectConfigurationPlatformBuild = projectConfigurationPlatformBuild.NextMatch ();
 451                         }
 452                 }
 453
 454                 void ParseSolutionProperties (string section)
 455                 {
 456                 }
 457
 458                 void AddCurrentSolutionConfigurationContents (Project p, List<TargetInfo> solutionTargets,
 459                                 Dictionary<Guid, ProjectInfo> projectInfos,
 460                                 Dictionary<Guid, ProjectInfo> websiteProjectInfos)
 461                 {
 462                         TargetInfo default_target_info = new TargetInfo ("Debug", "Any CPU");
 463                         if (solutionTargets.Count > 0) {
 464                                 bool found = false;
 465                                 foreach (TargetInfo tinfo in solutionTargets) {
 466                                         if (String.Compare (tinfo.Platform, "Mixed Platforms") == 0) {
 467                                                 default_target_info = tinfo;
 468                                                 found = true;
 469                                                 break;
 470                                         }
 471                                 }
 472
 473                                 if (!found)
 474                                         default_target_info = solutionTargets [0];
 475                         }
 476
 477                         AddDefaultSolutionConfiguration (p, default_target_info);
 478
 479                         foreach (TargetInfo solutionTarget in solutionTargets) {
 480                                 BuildPropertyGroup platformPropertyGroup = p.AddNewPropertyGroup (false);
 481                                 platformPropertyGroup.Condition = string.Format (
 482                                         " ('$(Configuration)' == '{0}') and ('$(Platform)' == '{1}') ",
 483                                         solutionTarget.Configuration,
 484                                         solutionTarget.Platform
 485                                         );
 486
 487                                 StringBuilder solutionConfigurationContents = new StringBuilder ();
 488                                 solutionConfigurationContents.Append ("<SolutionConfiguration xmlns=\"\">");
 489                                 foreach (KeyValuePair<Guid, ProjectInfo> projectInfo in projectInfos) {
 490                                         AddProjectConfigurationItems (projectInfo.Key, projectInfo.Value, solutionTarget, solutionConfigurationContents);
 491                                 }
 492                                 solutionConfigurationContents.Append ("</SolutionConfiguration>");
 493
 494                                 platformPropertyGroup.AddNewProperty ("CurrentSolutionConfigurationContents",
 495                                                 solutionConfigurationContents.ToString ());
 496                         }
 497                 }
 498
 499                 void AddProjectReferences (Project p, Dictionary<Guid, ProjectInfo> projectInfos)
 500                 {
 501                         BuildItemGroup big = p.AddNewItemGroup ();
 502                         foreach (KeyValuePair<Guid, ProjectInfo> pair in projectInfos)
 503                                 big.AddNewItem ("ProjectReference", pair.Value.FileName);
 504                 }
 505
 506                 void AddProjectConfigurationItems (Guid guid, ProjectInfo projectInfo, TargetInfo solutionTarget,
 507                                 StringBuilder solutionConfigurationContents)
 508                 {
 509                         foreach (KeyValuePair<TargetInfo, TargetInfo> targetInfo in projectInfo.TargetMap) {
 510                                 if (solutionTarget.Configuration == targetInfo.Key.Configuration &&
 511                                                 solutionTarget.Platform == targetInfo.Key.Platform) {
 512                                         solutionConfigurationContents.AppendFormat (
 513                                                         "<ProjectConfiguration Project=\"{0}\" AbsolutePath=\"{1}\">{2}|{3}</ProjectConfiguration>",
 514                                                         guid.ToString ("B").ToUpper (), projectInfo.FileName, targetInfo.Value.Configuration, targetInfo.Value.Platform);
 515                                 }
 516                         }
 517                 }
 518
 519                 void AddDefaultSolutionConfiguration (Project p, TargetInfo target)
 520                 {
 521                         BuildPropertyGroup configurationPropertyGroup = p.AddNewPropertyGroup (true);
 522                         configurationPropertyGroup.Condition = " '$(Configuration)' == '' ";
 523                         configurationPropertyGroup.AddNewProperty ("Configuration", target.Configuration);
 524
 525                         BuildPropertyGroup platformPropertyGroup = p.AddNewPropertyGroup (true);
 526                         platformPropertyGroup.Condition = " '$(Platform)' == '' ";
 527                         platformPropertyGroup.AddNewProperty ("Platform", target.Platform);
 528
 529                         // emit default for AspNetConfiguration also
 530                         BuildPropertyGroup aspNetConfigurationPropertyGroup = p.AddNewPropertyGroup (true);
 531                         aspNetConfigurationPropertyGroup.Condition = " ('$(AspNetConfiguration)' == '') ";
 532                         aspNetConfigurationPropertyGroup.AddNewProperty ("AspNetConfiguration", "$(Configuration)");
 533                 }
 534
 535                 void AddWarningForMissingProjectConfiguration (Target target, string slnConfig, string slnPlatform, string projectName)
 536                 {
 537                         BuildTask task = target.AddNewTask ("Warning");
 538                         task.SetParameterValue ("Text",
 539                                         String.Format ("The project configuration for project '{0}' corresponding " +
 540                                                 "to the solution configuration '{1}|{2}' was not found in the solution file.",
 541                                                 projectName, slnConfig, slnPlatform));
 542                         task.Condition = String.Format ("('$(Configuration)' == '{0}') and ('$(Platform)' == '{1}')",
 543                                                 slnConfig, slnPlatform);
 544
 545                 }
 546
 547                 // Website project methods
 548
 549                 void AddWebsiteProperties (Project p, Dictionary<Guid, ProjectInfo> websiteProjectInfos,
 550                                 Dictionary<Guid, ProjectInfo> projectInfos)
 551                 {
 552                         var propertyGroupByConfig = new Dictionary<string, BuildPropertyGroup> ();
 553                         foreach (KeyValuePair<Guid, ProjectInfo> infoPair in websiteProjectInfos) {
 554                                 ProjectInfo info = infoPair.Value;
 555                                 string projectGuid = infoPair.Key.ToString ();
 556
 557                                 ProjectSection section;
 558                                 if (!info.ProjectSections.TryGetValue ("WebsiteProperties", out section)) {
 559                                         RaiseWarning (0, String.Format ("Website project '{0}' does not have the required project section: WebsiteProperties. Ignoring project.", info.Name));
 560                                         return;
 561                                 }
 562
 563                                 //parse project references
 564                                 string [] ref_guids = null;
 565                                 string references;
 566                                 if (section.Properties.TryGetValue ("ProjectReferences", out references)) {
 567                                         ref_guids = references.Split (new char [] {';'}, StringSplitOptions.RemoveEmptyEntries);
 568                                         for (int i = 0; i < ref_guids.Length; i ++) {
 569                                                 // "{guid}|foo.dll"
 570                                                 ref_guids [i] = ref_guids [i].Split ('|') [0];
 571
 572                                                 Guid r_guid = new Guid (ref_guids [i]);
 573                                                 ProjectInfo ref_info;
 574                                                 if (projectInfos.TryGetValue (r_guid, out ref_info))
 575                                                         // ignore if not found
 576                                                         info.Dependencies [r_guid] = ref_info;
 577                                         }
 578                                 }
 579
 580                                 foreach (KeyValuePair<string, string> pair in section.Properties) {
 581                                         //looking for -- ConfigName.AspNetCompiler.PropName
 582                                         string [] parts = pair.Key.Split ('.');
 583                                         if (parts.Length != 3 || String.Compare (parts [1], "AspNetCompiler") != 0)
 584                                                 continue;
 585
 586                                         string config = parts [0];
 587                                         string propertyName = parts [2];
 588
 589                                         BuildPropertyGroup bpg;
 590                                         if (!propertyGroupByConfig.TryGetValue (config, out bpg)) {
 591                                                 bpg = p.AddNewPropertyGroup (true);
 592                                                 bpg.Condition = String.Format (" '$(AspNetConfiguration)' == '{0}' ", config);
 593                                                 propertyGroupByConfig [config] = bpg;
 594                                         }
 595
 596                                         bpg.AddNewProperty (String.Format ("Project_{0}_AspNet{1}", projectGuid, propertyName),
 597                                                                 pair.Value);
 598
 599                                         if (!info.AspNetConfigurations.Contains (config))
 600                                                 info.AspNetConfigurations.Add (config);
 601                                 }
 602                         }
 603                 }
 604
 605                 // For WebSite projects
 606                 // The main "Build" target:
 607                 //      1. builds all non-website projects
 608                 //      2. calls target for website project
 609                 //              - gets target path for the referenced projects
 610                 //              - Resolves dependencies, satellites etc for the
 611                 //                referenced project assemblies, and copies them
 612                 //                to bin/ folder
 613                 void AddWebsiteTargets (Project p, Dictionary<Guid, ProjectInfo> websiteProjectInfos,
 614                                 Dictionary<Guid, ProjectInfo> projectInfos, List<ProjectInfo>[] infosByLevel,
 615                                 List<TargetInfo> solutionTargets)
 616                 {
 617                         foreach (ProjectInfo w_info in websiteProjectInfos.Values) {
 618                                 // gets a linear list of dependencies
 619                                 List<ProjectInfo> depInfos = new List<ProjectInfo> ();
 620                                 foreach (List<ProjectInfo> pinfos in infosByLevel) {
 621                                         foreach (ProjectInfo pinfo in pinfos)
 622                                                 if (w_info.Dependencies.ContainsKey (pinfo.Guid))
 623                                                         depInfos.Add (pinfo);
 624                                 }
 625
 626                                 foreach (string buildTarget in new string [] {"Build", "Rebuild"})
 627                                         AddWebsiteTarget (p, w_info, projectInfos, depInfos, solutionTargets, buildTarget);
 628
 629                                 // clean/publish are not supported for website projects
 630                                 foreach (string buildTarget in new string [] {"Clean", "Publish"})
 631                                         AddWebsiteUnsupportedTarget (p, w_info, depInfos, buildTarget);
 632                         }
 633                 }
 634
 635                 void AddWebsiteTarget (Project p, ProjectInfo webProjectInfo,
 636                                 Dictionary<Guid, ProjectInfo> projectInfos, List<ProjectInfo> depInfos,
 637                                 List<TargetInfo> solutionTargets, string buildTarget)
 638                 {
 639                         string w_guid = webProjectInfo.Guid.ToString ().ToUpper ();
 640
 641                         Target target = p.Targets.AddNewTarget (GetTargetNameForProject (webProjectInfo.Name, buildTarget));
 642                         target.Condition = "'$(CurrentSolutionConfigurationContents)' != ''";
 643                         target.DependsOnTargets = GetWebsiteDependsOnTarget (depInfos, buildTarget);
 644
 645                         // this item collects all the references
 646                         string final_ref_item = String.Format ("Project_{0}_References{1}", w_guid,
 647                                                         buildTarget != "Build" ? "_" + buildTarget : String.Empty);
 648
 649                         foreach (TargetInfo targetInfo in solutionTargets) {
 650                                 int ref_num = 0;
 651                                 foreach (ProjectInfo depInfo in depInfos) {
 652                                         TargetInfo projectTargetInfo;
 653                                         if (!depInfo.TargetMap.TryGetValue (targetInfo, out projectTargetInfo))
 654                                                 // Ignore, no config, so no target path
 655                                                 continue;
 656
 657                                         // GetTargetPath from the referenced project
 658                                         AddWebsiteMSBuildTaskForReference (target, depInfo, projectTargetInfo, targetInfo,
 659                                                         final_ref_item, ref_num);
 660                                         ref_num ++;
 661                                 }
 662                         }
 663
 664                         // resolve the references
 665                         AddWebsiteResolveAndCopyReferencesTasks (target, webProjectInfo, final_ref_item, w_guid);
 666                 }
 667
 668                 // emits the MSBuild task to GetTargetPath for the referenced project
 669                 void AddWebsiteMSBuildTaskForReference (Target target, ProjectInfo depInfo, TargetInfo projectTargetInfo,
 670                                 TargetInfo solutionTargetInfo, string final_ref_item, int ref_num)
 671                 {
 672                         BuildTask task = target.AddNewTask ("MSBuild");
 673                         task.SetParameterValue ("Projects", depInfo.FileName);
 674                         task.SetParameterValue ("Targets", "GetTargetPath");
 675
 676                         task.SetParameterValue ("Properties", string.Format ("Configuration={0}; Platform={1}; BuildingSolutionFile=true; CurrentSolutionConfigurationContents=$(CurrentSolutionConfigurationContents); SolutionDir=$(SolutionDir); SolutionExt=$(SolutionExt); SolutionFileName=$(SolutionFileName); SolutionName=$(SolutionName); SolutionPath=$(SolutionPath)", projectTargetInfo.Configuration, projectTargetInfo.Platform));
 677                         task.Condition = string.Format (" ('$(Configuration)' == '{0}') and ('$(Platform)' == '{1}') ", solutionTargetInfo.Configuration, solutionTargetInfo.Platform);
 678
 679                         string ref_item = String.Format ("{0}_{1}",
 680                                                 final_ref_item, ref_num);
 681
 682                         task.AddOutputItem ("TargetOutputs", ref_item);
 683
 684                         task = target.AddNewTask ("CreateItem");
 685                         task.SetParameterValue ("Include", String.Format ("@({0})", ref_item));
 686                         task.SetParameterValue ("AdditionalMetadata", String.Format ("Guid={{{0}}}",
 687                                                 depInfo.Guid.ToString ().ToUpper ()));
 688                         task.AddOutputItem ("Include", final_ref_item);
 689                 }
 690
 691                 void AddWebsiteResolveAndCopyReferencesTasks (Target target, ProjectInfo webProjectInfo,
 692                                 string final_ref_item, string w_guid)
 693                 {
 694                         BuildTask task = target.AddNewTask ("ResolveAssemblyReference");
 695                         task.SetParameterValue ("Assemblies", String.Format ("@({0}->'%(FullPath)')", final_ref_item));
 696                         task.SetParameterValue ("TargetFrameworkDirectories", "$(TargetFrameworkPath)");
 697                         task.SetParameterValue ("SearchPaths", "{RawFileName};{TargetFrameworkDirectory};{GAC}");
 698                         task.SetParameterValue ("FindDependencies", "true");
 699                         task.SetParameterValue ("FindSatellites", "true");
 700                         task.SetParameterValue ("FindRelatedFiles", "true");
 701                         task.Condition = String.Format ("Exists ('%({0}.Identity)')", final_ref_item);
 702
 703                         string copylocal_item = String.Format ("{0}_CopyLocalFiles", final_ref_item);
 704                         task.AddOutputItem ("CopyLocalFiles", copylocal_item);
 705
 706                         // Copy the references
 707                         task = target.AddNewTask ("Copy");
 708                         task.SetParameterValue ("SourceFiles", String.Format ("@({0})", copylocal_item));
 709                         task.SetParameterValue ("DestinationFiles", String.Format (
 710                                                 "@({0}->'$(Project_{1}_AspNetPhysicalPath)\\Bin\\%(DestinationSubDirectory)%(Filename)%(Extension)')",
 711                                                 copylocal_item, w_guid));
 712
 713                         // AspNetConfiguration, is config for the website project, useful
 714                         // for overriding from command line
 715                         StringBuilder cond = new StringBuilder ();
 716                         foreach (string config in webProjectInfo.AspNetConfigurations) {
 717                                 if (cond.Length > 0)
 718                                         cond.Append (" or ");
 719                                 cond.AppendFormat (" ('$(AspNetConfiguration)' == '{0}') ", config);
 720                         }
 721                         task.Condition = cond.ToString ();
 722
 723                         task = target.AddNewTask ("Message");
 724                         cond = new StringBuilder ();
 725                         foreach (string config in webProjectInfo.AspNetConfigurations) {
 726                                 if (cond.Length > 0)
 727                                         cond.Append (" and ");
 728                                 cond.AppendFormat (" ('$(AspNetConfiguration)' != '{0}') ", config);
 729                         }
 730                         task.Condition = cond.ToString ();
 731                         task.SetParameterValue ("Text", "Skipping as the '$(AspNetConfiguration)' configuration is " +
 732                                                 "not supported by this website project.");
 733                 }
 734
 735                 void AddWebsiteUnsupportedTarget (Project p, ProjectInfo webProjectInfo, List<ProjectInfo> depInfos,
 736                                 string buildTarget)
 737                 {
 738                         Target target = p.Targets.AddNewTarget (GetTargetNameForProject (webProjectInfo.Name, buildTarget));
 739                         target.DependsOnTargets = GetWebsiteDependsOnTarget (depInfos, buildTarget);
 740
 741                         BuildTask task = target.AddNewTask ("Message");
 742                         task.SetParameterValue ("Text", String.Format (
 743                                                 "Target '{0}' not support for website projects", buildTarget));
 744                 }
 745
 746                 string GetWebsiteDependsOnTarget (List<ProjectInfo> depInfos, string buildTarget)
 747                 {
 748                         StringBuilder deps = new StringBuilder ();
 749                         foreach (ProjectInfo pinfo in depInfos) {
 750                                 if (deps.Length > 0)
 751                                         deps.Append (";");
 752                                 deps.Append (GetTargetNameForProject (pinfo.Name, buildTarget));
 753                         }
 754                         deps.Append (";GetFrameworkPath");
 755                         return deps.ToString ();
 756                 }
 757
 758                 void AddGetFrameworkPathTarget (Project p)
 759                 {
 760                         Target t = p.Targets.AddNewTarget ("GetFrameworkPath");
 761                         BuildTask task = t.AddNewTask ("GetFrameworkPath");
 762                         task.AddOutputProperty ("Path", "TargetFrameworkPath");
 763                 }
 764
 765                 void AddValidateSolutionConfiguration (Project p)
 766                 {
 767                         Target t = p.Targets.AddNewTarget ("ValidateSolutionConfiguration");
 768                         BuildTask task = t.AddNewTask ("Warning");
 769                         task.SetParameterValue ("Text", "On windows, an environment variable 'Platform' is set to MCD sometimes, and this overrides the Platform property" +
 770                                                 " for xbuild, which could be an invalid Platform for this solution file. And so you are getting the following error." +
 771                                                 " You could override it by either setting the environment variable to nothing, as\n" +
 772                                                 "   set Platform=\n" +
 773                                                 "Or explicity specify its value on the command line, as\n" +
 774                                                 "   xbuild Foo.sln /p:Platform=Release");
 775                         task.Condition = "('$(CurrentSolutionConfigurationContents)' == '') and ('$(SkipInvalidConfigurations)' != 'true')" +
 776                                         " and '$(Platform)' == 'MCD' and '$(OS)' == 'Windows_NT'";
 777
 778                         task = t.AddNewTask ("Error");
 779                         task.SetParameterValue ("Text", "Invalid solution configuration and platform: \"$(Configuration)|$(Platform)\".");
 780                         task.Condition = "('$(CurrentSolutionConfigurationContents)' == '') and ('$(SkipInvalidConfigurations)' != 'true')";
 781                         task = t.AddNewTask ("Warning");
 782                         task.SetParameterValue ("Text", "Invalid solution configuration and platform: \"$(Configuration)|$(Platform)\".");
 783                         task.Condition = "('$(CurrentSolutionConfigurationContents)' == '') and ('$(SkipInvalidConfigurations)' == 'true')";
 784                         task = t.AddNewTask ("Message");
 785                         task.SetParameterValue ("Text", "Building solution configuration \"$(Configuration)|$(Platform)\".");
 786                         task.Condition = "'$(CurrentSolutionConfigurationContents)' != ''";
 787                 }
 788
 789                 void AddProjectTargets (Project p, List<TargetInfo> solutionTargets, Dictionary<Guid, ProjectInfo> projectInfos)
 790                 {
 791                         foreach (KeyValuePair<Guid, ProjectInfo> projectInfo in projectInfos) {
 792                                 ProjectInfo project = projectInfo.Value;
 793                                 foreach (string buildTarget in buildTargets) {
 794                                         string target_name = GetTargetNameForProject (project.Name, buildTarget);
 795                                         bool is_build_or_rebuild = buildTarget == "Build" || buildTarget == "Rebuild";
 796                                         Target target = p.Targets.AddNewTarget (target_name);
 797                                         target.Condition = "'$(CurrentSolutionConfigurationContents)' != ''";
 798
 799                                         if (is_build_or_rebuild)
 800                                                 target.Outputs = "@(CollectedBuildOutput)";
 801                                         if (project.Dependencies.Count > 0)
 802                                                 target.DependsOnTargets = String.Join (";",
 803                                                                 project.Dependencies.Values.Select (
 804                                                                         di => GetTargetNameForProject (di.Name, buildTarget)).ToArray ());
 805
 806                                         foreach (TargetInfo targetInfo in solutionTargets) {
 807                                                 BuildTask task = null;
 808                                                 TargetInfo projectTargetInfo;
 809                                                 if (!project.TargetMap.TryGetValue (targetInfo, out projectTargetInfo)) {
 810                                                         AddWarningForMissingProjectConfiguration (target, targetInfo.Configuration,
 811                                                                         targetInfo.Platform, project.Name);
 812                                                         continue;
 813                                                 }
 814                                                 if (projectTargetInfo.Build) {
 815                                                         task = target.AddNewTask ("MSBuild");
 816                                                         task.SetParameterValue ("Projects", project.FileName);
 817                                                         task.SetParameterValue ("ToolsVersion", "$(ProjectToolsVersion)");
 818                                                         if (is_build_or_rebuild)
 819                                                                 task.AddOutputItem ("TargetOutputs", "CollectedBuildOutput");
 820
 821                                                         if (buildTarget != "Build")
 822                                                                 task.SetParameterValue ("Targets", buildTarget);
 823                                                         task.SetParameterValue ("Properties", string.Format ("Configuration={0}; Platform={1}; BuildingSolutionFile=true; CurrentSolutionConfigurationContents=$(CurrentSolutionConfigurationContents); SolutionDir=$(SolutionDir); SolutionExt=$(SolutionExt); SolutionFileName=$(SolutionFileName); SolutionName=$(SolutionName); SolutionPath=$(SolutionPath)", projectTargetInfo.Configuration, projectTargetInfo.Platform));
 824                                                 } else {
 825                                                         task = target.AddNewTask ("Message");
 826                                                         task.SetParameterValue ("Text", string.Format ("Project \"{0}\" is disabled for solution configuration \"{1}|{2}\".", project.Name, targetInfo.Configuration, targetInfo.Platform));
 827                                                 }
 828                                                 task.Condition = string.Format (" ('$(Configuration)' == '{0}') and ('$(Platform)' == '{1}') ", targetInfo.Configuration, targetInfo.Platform);
 829                                         }
 830                                 }
 831                         }
 832                 }
 833
 834
 835                 string GetTargetNameForProject (string projectName, string buildTarget)
 836                 {
 837                         //FIXME: hack
 838                         projectName = projectName.Replace ("\\", "/").Replace (".", "_");
 839                         string target_name = projectName +
 840                                         (buildTarget == "Build" ? string.Empty : ":" + buildTarget);
 841
 842                         if (IsBuildTargetName (projectName))
 843                                 target_name = "Solution:" + target_name;
 844
 845                         return target_name;
 846                 }
 847
 848                 bool IsBuildTargetName (string name)
 849                 {
 850                         foreach (string tgt in buildTargets)
 851                                 if (name == tgt)
 852                                         return true;
 853                         return false;
 854                 }
 855
 856                 // returns number of levels
 857                 int AddBuildLevels (Project p, List<TargetInfo> solutionTargets, Dictionary<Guid, ProjectInfo> projectInfos,
 858                                 ref List<ProjectInfo>[] infosByLevel)
 859                 {
 860                         infosByLevel = TopologicalSort<ProjectInfo> (projectInfos.Values);
 861
 862                         foreach (TargetInfo targetInfo in solutionTargets) {
 863                                 BuildItemGroup big = p.AddNewItemGroup ();
 864                                 big.Condition = String.Format (" ('$(Configuration)' == '{0}') and ('$(Platform)' == '{1}') ",
 865                                                 targetInfo.Configuration, targetInfo.Platform);
 866
 867                                 //FIXME: every level has projects that can be built in parallel.
 868                                 //       levels are ordered on the basis of the dependency graph
 869
 870                                 for (int i = 0; i < infosByLevel.Length; i ++) {
 871                                         string build_level = String.Format ("BuildLevel{0}", i);
 872                                         string skip_level = String.Format ("SkipLevel{0}", i);
 873                                         string missing_level = String.Format ("MissingConfigLevel{0}", i);
 874
 875                                         foreach (ProjectInfo projectInfo in infosByLevel [i]) {
 876                                                 TargetInfo projectTargetInfo;
 877                                                 if (!projectInfo.TargetMap.TryGetValue (targetInfo, out projectTargetInfo)) {
 878                                                         // missing project config
 879                                                         big.AddNewItem (missing_level, projectInfo.Name);
 880                                                         continue;
 881                                                 }
 882
 883                                                 if (projectTargetInfo.Build) {
 884                                                         BuildItem item = big.AddNewItem (build_level, projectInfo.FileName);
 885                                                         item.SetMetadata ("Configuration", projectTargetInfo.Configuration);
 886                                                         item.SetMetadata ("Platform", projectTargetInfo.Platform);
 887                                                 } else {
 888                                                         // build disabled
 889                                                         big.AddNewItem (skip_level, projectInfo.Name);
 890                                                 }
 891                                         }
 892                                 }
 893                         }
 894
 895                         return infosByLevel.Length;
 896                 }
 897
 898                 void AddSolutionTargets (Project p, int num_levels, IEnumerable<ProjectInfo> websiteProjectInfos)
 899                 {
 900                         foreach (string buildTarget in buildTargets) {
 901                                 Target t = p.Targets.AddNewTarget (buildTarget);
 902                                 bool is_build_or_rebuild = buildTarget == "Build" || buildTarget == "Rebuild";
 903
 904                                 t.Condition = "'$(CurrentSolutionConfigurationContents)' != ''";
 905                                 if (is_build_or_rebuild)
 906                                         t.Outputs = "@(CollectedBuildOutput)";
 907
 908                                 BuildTask task = null;
 909                                 for (int i = 0; i < num_levels; i ++) {
 910                                         string level_str = String.Format ("BuildLevel{0}", i);
 911                                         task = t.AddNewTask ("MSBuild");
 912                                         task.SetParameterValue ("Condition", String.Format ("'@({0})' != ''", level_str));
 913                                         task.SetParameterValue ("Projects", String.Format ("@({0})", level_str));
 914                                         task.SetParameterValue ("ToolsVersion", "$(ProjectToolsVersion)");
 915                                         task.SetParameterValue ("Properties",
 916                                                 string.Format ("Configuration=%(Configuration); Platform=%(Platform); BuildingSolutionFile=true; CurrentSolutionConfigurationContents=$(CurrentSolutionConfigurationContents); SolutionDir=$(SolutionDir); SolutionExt=$(SolutionExt); SolutionFileName=$(SolutionFileName); SolutionName=$(SolutionName); SolutionPath=$(SolutionPath)"));
 917                                         if (buildTarget != "Build")
 918                                                 task.SetParameterValue ("Targets", buildTarget);
 919                                         //FIXME: change this to BuildInParallel=true, when parallel
 920                                         //       build support gets added
 921                                         task.SetParameterValue ("RunEachTargetSeparately", "true");
 922                                         if (is_build_or_rebuild)
 923                                                 task.AddOutputItem ("TargetOutputs", "CollectedBuildOutput");
 924
 925                                         level_str = String.Format ("SkipLevel{0}", i);
 926                                         task = t.AddNewTask ("Message");
 927                                         task.Condition = String.Format ("'@({0})' != ''", level_str);
 928                                         task.SetParameterValue ("Text",
 929                                                 String.Format ("The project '%({0}.Identity)' is disabled for solution " +
 930                                                         "configuration '$(Configuration)|$(Platform)'.", level_str));
 931
 932                                         level_str = String.Format ("MissingConfigLevel{0}", i);
 933                                         task = t.AddNewTask ("Warning");
 934                                         task.Condition = String.Format ("'@({0})' != ''", level_str);
 935                                         task.SetParameterValue ("Text",
 936                                                 String.Format ("The project configuration for project '%({0}.Identity)' " +
 937                                                         "corresponding to the solution configuration " +
 938                                                         "'$(Configuration)|$(Platform)' was not found.", level_str));
 939                                 }
 940
 941                                 // "build" website projects also
 942                                 StringBuilder w_targets = new StringBuilder ();
 943                                 foreach (ProjectInfo info in websiteProjectInfos) {
 944                                         if (w_targets.Length > 0)
 945                                                 w_targets.Append (";");
 946                                         w_targets.Append (GetTargetNameForProject (info.Name, buildTarget));
 947                                 }
 948
 949                                 task = t.AddNewTask ("CallTarget");
 950                                 task.SetParameterValue ("Targets", w_targets.ToString ());
 951                                 task.SetParameterValue ("RunEachTargetSeparately", "true");
 952                         }
 953                 }
 954
 955                 // Sorts the ProjectInfo dependency graph, to obtain
 956                 // a series of build levels with projects. Projects
 957                 // in each level can be run parallel (no inter-dependency).
 958                 static List<T>[] TopologicalSort<T> (IEnumerable<T> items) where T: ProjectInfo
 959                 {
 960                         IList<T> allItems;
 961                         allItems = items as IList<T>;
 962                         if (allItems == null)
 963                                 allItems = new List<T> (items);
 964
 965                         bool[] inserted = new bool[allItems.Count];
 966                         bool[] triedToInsert = new bool[allItems.Count];
 967                         int[] levels = new int [allItems.Count];
 968
 969                         int maxdepth = 0;
 970                         for (int i = 0; i < allItems.Count; ++i) {
 971                                 int d = Insert<T> (i, allItems, levels, inserted, triedToInsert);
 972                                 if (d > maxdepth)
 973                                         maxdepth = d;
 974                         }
 975
 976                         // Separate out the project infos by build level
 977                         List<T>[] infosByLevel = new List<T>[maxdepth];
 978                         for (int i = 0; i < levels.Length; i ++) {
 979                                 int level = levels [i] - 1;
 980                                 if (infosByLevel [level] == null)
 981                                         infosByLevel [level] = new List<T> ();
 982
 983                                 infosByLevel [level].Add (allItems [i]);
 984                         }
 985
 986                         return infosByLevel;
 987                 }
 988
 989                 // returns level# for the project
 990                 static int Insert<T> (int index, IList<T> allItems, int[] levels, bool[] inserted, bool[] triedToInsert)
 991                         where T: ProjectInfo
 992                 {
 993                         if (inserted [index])
 994                                 return levels [index];
 995
 996                         if (triedToInsert[index])
 997                                 throw new InvalidOperationException (String.Format (
 998                                                 "Cyclic dependency involving project {0} found in the project dependency graph",
 999                                                 allItems [index].Name));
1000
1001                         triedToInsert[index] = true;
1002                         ProjectInfo insertItem = allItems[index];
1003
1004                         int maxdepth = 0;
1005                         foreach (ProjectInfo dependency in insertItem.Dependencies.Values) {
1006                                 for (int j = 0; j < allItems.Count; ++j) {
1007                                         ProjectInfo checkItem = allItems [j];
1008                                         if (dependency.FileName == checkItem.FileName) {
1009                                                 int d = Insert (j, allItems, levels, inserted, triedToInsert);
1010                                                 maxdepth = d > maxdepth ? d : maxdepth;
1011                                                 break;
1012                                         }
1013                                 }
1014                         }
1015                         levels [index] = maxdepth + 1;
1016                         inserted [index] = true;
1017
1018                         return levels [index];
1019                 }
1020
1021                 public static IEnumerable<string> GetAllProjectFileNames (string solutionFile)
1022                 {
1023                         StreamReader reader = new StreamReader (solutionFile);
1024                         string line = reader.ReadToEnd ();
1025                         line = line.Replace ("\r\n", "\n");
1026                         string soln_dir = Path.GetDirectoryName (solutionFile);
1027
1028                         Match m = projectRegex.Match (line);
1029                         while (m.Success) {
1030                                 if (String.Compare (m.Groups [1].Value, solutionFolderGuid,
1031                                                 StringComparison.InvariantCultureIgnoreCase) != 0)
1032                                         yield return Path.Combine (soln_dir, m.Groups [3].Value).Replace ("\\", "/");
1033
1034                                 m = m.NextMatch ();
1035                         }
1036                 }
1037         }
1038 }