public VolumeSnapshotFile GetSubFile(string path)
{
VolumeSnapshotDirectory curDir = mRoot;
string[] dirnames = path.Split(PWLib.Platform.Windows.Path.DirectorySeparatorChar);
for (int index = 0; index < dirnames.Length - 1; ++index)
{
string dirname = dirnames[index];
if (dirname.Length > 0)
{
VolumeSnapshotDirectory newCurDir = curDir.FindDirectory(dirname);
if (newCurDir == null)
{
return(null);
}
else
{
curDir = newCurDir;
}
}
}
return(curDir.FindFile(dirnames[dirnames.Length - 1]));
}
private bool ProcessDirectory( VolumeSnapshotDirectory oldDb, VolumeSnapshotDirectory newDb )
{
// check for new/changed files
foreach ( VolumeSnapshotFile newFile in newDb.Files )
{
// see if the file exists in the rhs snapshot and if it has changed
VolumeSnapshotFile oldFile = oldDb.FindFile( newFile.FileName );
if ( oldFile == null )
{
// File has been created
mStats.OnFileCreated( newFile );
}
else
{
// File exists in both snapshots, check last modified date
if ( oldFile.LastModified.Ticks != newFile.LastModified.Ticks )
{ // file has been modified
mStats.OnFileChanged( oldFile, newFile );
}
else
{ // file the same
mStats.OnFileTheSame( oldFile, newFile );
}
}
if ( !mOperation.CanContinue )
return mStats.IsModified;
}
// check for deleted files
foreach ( VolumeSnapshotFile oldFile in oldDb.Files )
{
VolumeSnapshotFile newFile = newDb.FindFile( oldFile.FileName );
if ( newFile == null )
{
mStats.OnFileRemoved( oldFile );
}
if ( !mOperation.CanContinue )
return mStats.IsModified;
}
// check for deleted directories
foreach ( VolumeSnapshotDirectory oldDir in oldDb.Directories )
{
VolumeSnapshotDirectory newDir = newDb.FindDirectory( oldDir.Name );
if ( newDir == null )
{
mStats.OnDirectoryRemoved( oldDir );
}
if ( !mOperation.CanContinue )
return mStats.IsModified;
}
// check for new directories
foreach ( VolumeSnapshotDirectory newDir in newDb.Directories )
{
VolumeSnapshotDirectory oldDir = oldDb.FindDirectory( newDir.Name );
if ( oldDir == null )
{
// Directory has been created
mStats.OnDirectoryCreated( newDir );
}
else
{
mStats.OnDirectoryTheSame( oldDir, newDir );
ProcessDirectory( oldDir, newDir );
}
if ( !mOperation.CanContinue )
return mStats.IsModified;
}
return mStats.IsModified;
}
private bool ProcessDirectory(VolumeSnapshotDirectory oldDb, VolumeSnapshotDirectory newDb)
{
// check for new/changed files
foreach (VolumeSnapshotFile newFile in newDb.Files)
{
// see if the file exists in the rhs snapshot and if it has changed
VolumeSnapshotFile oldFile = oldDb.FindFile(newFile.FileName);
if (oldFile == null)
{
// File has been created
mStats.OnFileCreated(newFile);
}
else
{
// File exists in both snapshots, check last modified date
if (oldFile.LastModified.Ticks != newFile.LastModified.Ticks)
{ // file has been modified
mStats.OnFileChanged(oldFile, newFile);
}
else
{ // file the same
mStats.OnFileTheSame(oldFile, newFile);
}
}
if (!mOperation.CanContinue)
{
return(mStats.IsModified);
}
}
// check for deleted files
foreach (VolumeSnapshotFile oldFile in oldDb.Files)
{
VolumeSnapshotFile newFile = newDb.FindFile(oldFile.FileName);
if (newFile == null)
{
mStats.OnFileRemoved(oldFile);
}
if (!mOperation.CanContinue)
{
return(mStats.IsModified);
}
}
// check for deleted directories
foreach (VolumeSnapshotDirectory oldDir in oldDb.Directories)
{
VolumeSnapshotDirectory newDir = newDb.FindDirectory(oldDir.Name);
if (newDir == null)
{
mStats.OnDirectoryRemoved(oldDir);
}
if (!mOperation.CanContinue)
{
return(mStats.IsModified);
}
}
// check for new directories
foreach (VolumeSnapshotDirectory newDir in newDb.Directories)
{
VolumeSnapshotDirectory oldDir = oldDb.FindDirectory(newDir.Name);
if (oldDir == null)
{
// Directory has been created
mStats.OnDirectoryCreated(newDir);
}
else
{
mStats.OnDirectoryTheSame(oldDir, newDir);
ProcessDirectory(oldDir, newDir);
}
if (!mOperation.CanContinue)
{
return(mStats.IsModified);
}
}
return(mStats.IsModified);
}