private static void RecCompareFiles(List <WSPCompareFile> files, String relativeDirectoryPath, DirectoryInfo dirWsp1, DirectoryInfo dirWsp2)
{
//retrieves list of files and folders that belong to at least a WSP
List <String> filesToCheck = new List <String>();
List <String> foldersToCheck = new List <String>();
if (dirWsp1.Exists)
{
foreach (FileInfo fi in dirWsp1.GetFiles())
{
filesToCheck.Add(fi.Name);
}
foreach (DirectoryInfo di in dirWsp1.GetDirectories())
{
foldersToCheck.Add(di.Name);
}
}
if (dirWsp2.Exists)
{
foreach (FileInfo fi in dirWsp2.GetFiles())
{
if (!filesToCheck.Contains(fi.Name))
{
filesToCheck.Add(fi.Name);
}
}
foreach (DirectoryInfo di in dirWsp2.GetDirectories())
{
if (!foldersToCheck.Contains(di.Name))
{
foldersToCheck.Add(di.Name);
}
}
}
//Compare each file
foreach (String fileToCheck in filesToCheck)
{
FileInfo fi1 = new FileInfo(Path.Combine(dirWsp1.FullName, fileToCheck));
FileInfo fi2 = new FileInfo(Path.Combine(dirWsp2.FullName, fileToCheck));
WSPCompareFile file = new WSPCompareFile();
file.FilePathRelative = Path.Combine(relativeDirectoryPath, fileToCheck).Trim('\\');
if (fi1.Exists)
{
file.FilePathBefore = fi1.FullName;
file.FileSizeBefore = fi1.Length;
}
if (fi2.Exists)
{
file.FilePathAfter = fi2.FullName;
file.FileSizeAfter = fi2.Length;
}
if (fi1.Exists && !fi2.Exists)
{
file.Status = WSPCompareFileStatus.Deleted;
}
else if (!fi1.Exists && fi2.Exists)
{
file.Status = WSPCompareFileStatus.New;
}
else if (!fi1.Exists && !fi2.Exists)
{
throw new FileNotFoundException();
}
else if (fi1.Length != fi2.Length)
{
file.Status = WSPCompareFileStatus.Modified;
}
else
{
file.Status = WSPCompareFileStatus.Equal;
FileStream fs1 = fi1.OpenRead();
FileStream fs2 = fi2.OpenRead();
Int32 b1 = 0;
Int32 b2 = 0;
while (b1 != -1 && b2 != -1)
{
b1 = fs1.ReadByte();
b2 = fs2.ReadByte();
if (b1 != b2)
{
file.Status = WSPCompareFileStatus.Modified;
break;
}
}
fs1.Close();
fs2.Close();
}
files.Add(file);
}
//Compare each sub folder
foreach (String folderToCheck in foldersToCheck)
{
DirectoryInfo fi1 = new DirectoryInfo(Path.Combine(dirWsp1.FullName, folderToCheck));
DirectoryInfo fi2 = new DirectoryInfo(Path.Combine(dirWsp2.FullName, folderToCheck));
RecCompareFiles(files, Path.Combine(relativeDirectoryPath, folderToCheck), fi1, fi2);
}
}
public WSPCompareFileEventArgs(WSPCompareFile file)
{
_file = file;
}