/// <summary>
/// Order the list in build-order.
/// </summary>
/// <param name="projectList">List of file paths to projects</param>
/// <returns>True if build order was determined. False if there was a circular dependency.</returns>
public static bool SetBuildOrder(List <string> projectList)
{
bool changed;
int changeCount = 0;
int maxChanges = projectList.Count * projectList.Count;
do
{
if (changeCount > maxChanges)
{
ErrorManager.Error("ParseProjects", "Project dependency dead-lock. There's a circular dependency in projects.");
return(false);
}
changed = false;
for (int i = 0; i < projectList.Count; ++i)
{
string proj1 = projectList[i];
using (ParseProject po = new ParseProject(proj1))
{
for (int j = i + 1; j < projectList.Count; ++j)
{
string proj2 = projectList[j];
if (po.ProjectReferences.Contains(proj2, StringComparer.OrdinalIgnoreCase))
{
ErrorManager.DebugF("'{0}' depends on '{1}'.\n\tPutting '{1}' in index '{2}'\n\tPutting '{0}' in index '{3}'"
, proj1
, proj2
, i
, i + 1
);
changed = true;
projectList.RemoveAt(j);
projectList.Insert(i, proj2);
break;
}
}
}
if (changed)
{
++changeCount;
break;
}
}
} while (changed);
return(true);
}
/// <summary>
/// C'tor.
/// </summary>
/// <param name="projFile">Project file for which references will be listed.</param>
public ParseProject(string projFile)
{
try
{
ErrorManager.DebugF("Parsing project '{0}' ...", projFile);
_msbuildProj = new Project(projFile);
// Check cache. Only valid project files get into the cache.
_myCache = GetCache(_msbuildProj.FullPath);
if (_myCache == null)
{
_cache.Add(this);
}
}
catch (Microsoft.Build.Exceptions.InvalidProjectFileException ex) // Probably a .vdproj file. ignoreable.
{
ErrorManager.DebugF("Exception '{0}' while parsing '{1}'", ex.GetType().FullName, projFile);
_msbuildProj = null;
}
}
/// <summary>
/// Find projects that depend on a given project, and it's own project dependencies.
/// </summary>
/// <param name="args"></param>
/// <param name="/project">The name of the project</param>
/// <param name="/folder">Root folder where projects that depend on the given project are searched for</param>
/// <param name="/out">Optional. File to dump results to. If null then results will be dumped to Console.</param>
/// <returns></returns>
public static int Main(string[] args)
{
string projFile;
string outFile;
List <string> topFolders = new List <string>();
if (!ParseCommandLine(topFolders, out projFile, out outFile))
{
Usage();
return(-1);
}
// Setup search folders and project pattern
projFile = ParseProject.NormalizeReferenceName(projFile);
SearchFolders folders = new SearchFolders();
folders.AddFolders(topFolders);
folders.AddPattern(projFile + ".*proj");
ParseProject.SetSearchFolders(folders);
// List the projects the target project depends on
List <string> dependentProjects = new List <string>();
foreach (string proj in folders.Search())
{
dependentProjects.Add(proj);
using (ParseProject po = new ParseProject(proj))
{
dependentProjects.AddRange(po.ProjectReferences);
}
}
// List the projects that depend on the target project:
// Find all project files in the folders.
IEnumerable <string> projFiles = folders.Search("*.*proj");
foreach (string p in projFiles)
{
using (ParseProject po = new ParseProject(p))
{
// Test if this project depends on the target project
if (po.ProjectReferences.Contains(projFile, StringComparer.OrdinalIgnoreCase))
{
dependentProjects.Add(p);
}
}
}
// Unique, sorted list
if (ErrorManager.Good)
{
dependentProjects = new List <string>(dependentProjects.Distinct(StringComparer.OrdinalIgnoreCase));
ParseProject.SetBuildOrder(dependentProjects);
}
// Dump project file, even if error(s) occured.
if (!string.IsNullOrWhiteSpace(outFile))
{
ParseProject.CreateBuildFile(outFile, dependentProjects);
}
else
{
foreach (string s in dependentProjects)
{
Console.WriteLine(s);
}
}
return(ErrorManager.ExitCode);
}
/// <summary>
/// Parse a build.proj file, that already has all parsed dependent projects.
/// Initially checks that build.proj file exists and had a newer modification time compared to the project file.
/// </summary>
private void ParseBuildProj()
{
try
{
if (_msbuildProj == null)
{
return;
}
// build.proj exists?
string buildProjFile = Path.Combine(Path.GetDirectoryName(_msbuildProj.FullPath), "build.proj");
if (!File.Exists(buildProjFile))
{
return;
}
// build.proj is newer than the project file?
if (File.GetLastWriteTime(buildProjFile) < File.GetLastWriteTime(_msbuildProj.FullPath))
{
return;
}
// Parse it!
_allReferences = new List <string>();
_projReferences = new List <string>();
Project buildProj = new Project(buildProjFile);
ProjectTargetInstance tgt = buildProj.Targets["Build"];
if (tgt == null)
{
return;
}
foreach (ProjectTaskInstance tsk in tgt.Tasks)
{
if (tsk.Name.Equals("MSBuild"))
{
if (tsk.Parameters.Keys.Contains("Projects"))
{
// Once a build.proj includes our project we know that subsequent project depend on us.
string p = tsk.Parameters["Projects"];
if (Path.GetFileName(p).Equals(Path.GetFileName(_msbuildProj.FullPath), StringComparison.OrdinalIgnoreCase))
{
break;
}
_allReferences.Add(p);
AddProjectReference(p);
using (ParseProject po = new ParseProject(p))
{
_allReferences.AddRange(po.AllReferences);
AddProjectReferences(po.ProjectReferences);
}
}
}
}
}
catch (Exception ex)
{
ErrorManager.DebugF("Failed parsing build.proj: {0}", ex.Message);
_allReferences = null;
_projReferences = null;
return;
}
}
