private void FindUnreferencedFilesInDirectory(DirectoryInfo directory, ReferencedProjectFiles referencedProjectFiles, List <string> unreferencedFiles)
{
try
{
foreach (FileInfo file in directory.GetFiles())
{
if (FileRequiresChecking(file.FullName))
{
string relativeFileName = GetFileNameRelativeToProject(file.FullName);
if (!referencedProjectFiles.IsFileReferenced(relativeFileName))
{
unreferencedFiles.Add(file.FullName);
}
}
}
foreach (DirectoryInfo subDirectory in directory.GetDirectories())
{
if (DirectoryRequiresChecking(subDirectory.FullName))
{
FindUnreferencedFilesInDirectory(subDirectory, referencedProjectFiles, unreferencedFiles);
}
}
}
catch (Exception e)
{
string msg = String.Format("Error while finding unreferenced files in the '{0}' directory.", directory.FullName);
throw new Exception(msg, e);
}
}
/// <summary>
/// Adds all of the files in the item group into the ReferencedProjectFiles object.
/// </summary>
/// <param name="itemGroupElement">An ItemGroup element from a MSBuild project.</param>
/// <param name="referencedProjectFiles">The object to add all referenced files into.</param>
private void AddProjectFilesFromItemGroup(XElement itemGroupElement, ReferencedProjectFiles referencedProjectFiles)
{
var itemElements = from element in itemGroupElement.Elements()
select element;
foreach (XElement itemElement in itemElements)
{
if (itemElement.Name == MSBUILD_NAMESPACE + ELEMENT_REFERENCE)
{
// Ignore Reference elements.
continue;
}
XAttribute includeAttribute = itemElement.Attribute(ATTRIBUTE_INCLUDE);
if (includeAttribute == null)
{
// Include is a required attribute on an item element. See http://msdn.microsoft.com/en-us/library/ms164283.aspx
string msg = String.Format("The '{0}' attribute was missing from the '{1}' element.", ATTRIBUTE_INCLUDE, itemElement.Name);
throw new Exception(msg);
}
string filePath = includeAttribute.Value;
referencedProjectFiles.AddFile(filePath);
}
}
/// <summary>
/// Parses the given project file to build a ReferencedProjectFiles object containing all the files referenced by the project.
/// </summary>
/// <param name="projectElement">The project element from a MSBuild project.</param>
/// <returns>A ReferencedProjectFiles containing all the files referenced by the project.</returns>
public ReferencedProjectFiles GetReferencedFilesForProject(XElement projectElement)
{
ReferencedProjectFiles referencedProjectFiles = new ReferencedProjectFiles();
AddProjectFiles(projectElement, referencedProjectFiles);
return(referencedProjectFiles);
}
private ReferencedProjectFiles GetReferencedProjectFiles()
{
XElement projectElement = XElement.Load(ProjectFile);
ProjectParser projectParser = new ProjectParser();
ReferencedProjectFiles referencedProjectFiles = projectParser.GetReferencedFilesForProject(projectElement);
return(referencedProjectFiles);
}
/// <summary>
/// This method assumes that all referenced files are children of an ItemGroup element.
/// It finds all the project's item groups and then adds the files from each item group to the ReferencedProjectFiles object.
/// </summary>
/// <param name="projectElement">The project element from a MSBuild project.</param>
/// <param name="referencedProjectFiles">The object to add all referenced files into.</param>
private void AddProjectFiles(XElement projectElement, ReferencedProjectFiles referencedProjectFiles)
{
var itemGroupElements = from element in projectElement.Descendants(MSBUILD_NAMESPACE + ELEMENT_ITEM_GROUP)
select element;
foreach (XElement itemGroupElement in itemGroupElements)
{
AddProjectFilesFromItemGroup(itemGroupElement, referencedProjectFiles);
}
}
public List <string> FindUnreferencedProjectFiles()
{
try
{
DirectoryInfo projectDirectory = new DirectoryInfo(Path.GetDirectoryName(ProjectFile));
ReferencedProjectFiles referencedProjectFiles = GetReferencedProjectFiles();
List <string> unreferencedFiles = new List <string>();
FindUnreferencedFilesInDirectory(projectDirectory, referencedProjectFiles, unreferencedFiles);
return(unreferencedFiles);
}
catch (Exception e)
{
string msg = String.Format("Error while finding unreferenced files for the '{0}' project.", ProjectFile);
throw new Exception(msg, e);
}
}