diff options
Diffstat (limited to 'src/DotNetOpenAuth.BuildTasks/DowngradeProjects.cs')
| -rw-r--r-- | src/DotNetOpenAuth.BuildTasks/DowngradeProjects.cs | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/src/DotNetOpenAuth.BuildTasks/DowngradeProjects.cs b/src/DotNetOpenAuth.BuildTasks/DowngradeProjects.cs new file mode 100644 index 0000000..2f09583 --- /dev/null +++ b/src/DotNetOpenAuth.BuildTasks/DowngradeProjects.cs @@ -0,0 +1,170 @@ +//----------------------------------------------------------------------- +// <copyright file="DowngradeProjects.cs" company="Andrew Arnott"> +// Copyright (c) Andrew Arnott. All rights reserved. +// </copyright> +//----------------------------------------------------------------------- + +namespace DotNetOpenAuth.BuildTasks { + using System; + using System.Collections.Generic; + using System.IO; + using System.Linq; + using System.Text; + using System.Text.RegularExpressions; + using Microsoft.Build.BuildEngine; + using Microsoft.Build.Framework; + using Microsoft.Build.Utilities; + + /// <summary> + /// Downgrades Visual Studio 2010 solutions and projects so that they load in Visual Studio 2008. + /// </summary> + public class DowngradeProjects : Task { + /// <summary> + /// Gets or sets the projects and solutions to downgrade. + /// </summary> + [Required] + public ITaskItem[] Projects { get; set; } + + /// <summary> + /// Gets or sets a value indicating whether project files are downgraded and re-saved to the same paths. + /// </summary> + public bool InPlaceDowngrade { get; set; } + + /// <summary> + /// Gets or sets the set of newly created project files. Empty if <see cref="InPlaceDowngrade"/> is <c>true</c>. + /// </summary> + [Output] + public ITaskItem[] DowngradedProjects { get; set; } + + /// <summary> + /// Gets or sets a value indicating whether ASP.NET MVC 2 projects are downgraded to MVC 1.0. + /// </summary> + public bool DowngradeMvc2ToMvc1 { get; set; } + + /// <summary> + /// Executes this instance. + /// </summary> + public override bool Execute() { + var newProjectToOldProjectMapping = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase); + var createdProjectFiles = new List<TaskItem>(); + + foreach (ITaskItem taskItem in this.Projects) { + switch (GetClassification(taskItem)) { + case ProjectClassification.VS2010Project: + case ProjectClassification.VS2010Solution: + string projectNameForVS2008 = InPlaceDowngrade + ? taskItem.ItemSpec + : Path.Combine( + Path.GetDirectoryName(taskItem.ItemSpec), + Path.GetFileNameWithoutExtension(taskItem.ItemSpec) + "-vs2008" + + Path.GetExtension(taskItem.ItemSpec)); + newProjectToOldProjectMapping[taskItem.ItemSpec] = projectNameForVS2008; + break; + } + } + + foreach (ITaskItem taskItem in this.Projects) { + switch (GetClassification(taskItem)) { + case ProjectClassification.VS2010Project: + this.Log.LogMessage(MessageImportance.Low, "Downgrading project \"{0}\".", taskItem.ItemSpec); + var project = new Project(); + project.Load(taskItem.ItemSpec); + project.DefaultToolsVersion = "3.5"; + + if (this.DowngradeMvc2ToMvc1) { + string projectTypeGuids = project.GetEvaluatedProperty("ProjectTypeGuids"); + if (!string.IsNullOrEmpty(projectTypeGuids)) { + projectTypeGuids = projectTypeGuids.Replace("{F85E285D-A4E0-4152-9332-AB1D724D3325}", "{603c0e0b-db56-11dc-be95-000d561079b0}"); + project.SetProperty("ProjectTypeGuids", projectTypeGuids); + } + } + + // MSBuild v3.5 doesn't support the GetDirectoryNameOfFileAbove function + var enlistmentInfoImports = project.Imports.Cast<Import>().Where(i => i.ProjectPath.IndexOf("[MSBuild]::GetDirectoryNameOfFileAbove", StringComparison.OrdinalIgnoreCase) >= 0); + enlistmentInfoImports.ToList().ForEach(i => project.Imports.RemoveImport(i)); + + // Web projects usually have an import that includes these substrings));) + foreach (Import import in project.Imports) { + import.ProjectPath = import.ProjectPath + .Replace("$(MSBuildExtensionsPath32)", "$(MSBuildExtensionsPath)") + .Replace("VisualStudio\\v10.0", "VisualStudio\\v9.0"); + } + + // VS2010 won't let you have a System.Core reference, but VS2008 requires it. + BuildItemGroup references = project.GetEvaluatedItemsByName("Reference"); + if (!references.Cast<BuildItem>().Any(item => item.FinalItemSpec.StartsWith("System.Core", StringComparison.OrdinalIgnoreCase))) { + project.AddNewItem("Reference", "System.Core"); + } + + // Rewrite ProjectReferences to other renamed projects. + BuildItemGroup projectReferences = project.GetEvaluatedItemsByName("ProjectReference"); + foreach (var mapping in newProjectToOldProjectMapping) { + string oldName = Path.GetFileName(mapping.Key); + string newName = Path.GetFileName(mapping.Value); + foreach (BuildItem projectReference in projectReferences) { + projectReference.Include = Regex.Replace(projectReference.Include, oldName, newName, RegexOptions.IgnoreCase); + } + } + + project.Save(newProjectToOldProjectMapping[taskItem.ItemSpec]); + createdProjectFiles.Add(new TaskItem(taskItem) { ItemSpec = newProjectToOldProjectMapping[taskItem.ItemSpec] }); + break; + case ProjectClassification.VS2010Solution: + this.Log.LogMessage(MessageImportance.Low, "Downgrading solution \"{0}\".", taskItem.ItemSpec); + string[] contents = File.ReadAllLines(taskItem.ItemSpec); + if (contents[1] != "Microsoft Visual Studio Solution File, Format Version 11.00" || + contents[2] != "# Visual Studio 2010") { + this.Log.LogError("Unrecognized solution file header in \"{0}\".", taskItem.ItemSpec); + break; + } + + contents[1] = "Microsoft Visual Studio Solution File, Format Version 10.00"; + contents[2] = "# Visual Studio 2008"; + + for (int i = 3; i < contents.Length; i++) { + contents[i] = contents[i].Replace("TargetFrameworkMoniker = \".NETFramework,Version%3Dv", "TargetFramework = \""); + } + + foreach (var mapping in newProjectToOldProjectMapping) { + string oldName = Path.GetFileName(mapping.Key); + string newName = Path.GetFileName(mapping.Value); + for (int i = 0; i < contents.Length; i++) { + contents[i] = Regex.Replace(contents[i], oldName, newName, RegexOptions.IgnoreCase); + } + } + + File.WriteAllLines(newProjectToOldProjectMapping[taskItem.ItemSpec], contents); + createdProjectFiles.Add(new TaskItem(taskItem) { ItemSpec = newProjectToOldProjectMapping[taskItem.ItemSpec] }); + break; + default: + this.Log.LogWarning("Unrecognized project type for \"{0}\".", taskItem.ItemSpec); + break; + } + } + + if (InPlaceDowngrade) { + this.DowngradedProjects = new ITaskItem[0]; + } else { + this.DowngradedProjects = createdProjectFiles.ToArray(); + } + + return !this.Log.HasLoggedErrors; + } + + private static ProjectClassification GetClassification(ITaskItem taskItem) { + if (Path.GetExtension(taskItem.ItemSpec).EndsWith("proj", StringComparison.OrdinalIgnoreCase)) { + return ProjectClassification.VS2010Project; + } else if (Path.GetExtension(taskItem.ItemSpec).Equals(".sln", StringComparison.OrdinalIgnoreCase)) { + return ProjectClassification.VS2010Solution; + } else { + return ProjectClassification.Unrecognized; + } + } + + private enum ProjectClassification { + VS2010Project, + VS2010Solution, + Unrecognized, + } + } +} |