/// <summary>
/// Copy or move a single transfer.
/// </summary>
/// <param name="backend">Compiler backend that generated the transfers.</param>
/// <param name="transfer">File transfers to execute.</param>
public static void ExecuteTransfer(BackendCompiler backend, FileTransfer transfer)
{
if (transfer.Redundant)
{
// TODO: log that we tried to transfer a redundant file?
return;
}
bool retry = false;
do
{
try
{
if (transfer.Move)
{
backend.OnMessage(new CompilerMessageEventArgs(CompilerMessage.MoveFile(transfer.Source, transfer.Destination), transfer.LineNumber));
File.Move(transfer.Source, transfer.Destination);
}
else
{
backend.OnMessage(new CompilerMessageEventArgs(CompilerMessage.CopyFile(transfer.Source, transfer.Destination), transfer.LineNumber));
File.Copy(transfer.Source, transfer.Destination, true);
}
retry = false;
}
catch (FileNotFoundException e)
{
throw new CompilerException(new CompilerMessageEventArgs(CompilerMessage.FileNotFound(transfer.Source), transfer.LineNumber), e);
}
catch (DirectoryNotFoundException dnfe)
{
// if we already retried, give up
if (retry)
{
throw new CompilerException(new CompilerMessageEventArgs(CompilerMessage.CannotTransferFile(transfer.Source, transfer.Destination), transfer.LineNumber), dnfe);
}
string directory = Path.GetDirectoryName(transfer.Destination);
Directory.CreateDirectory(directory);
retry = true;
}
catch (UnauthorizedAccessException uae)
{
// if we already retried, give up
if (retry)
{
throw new CompilerException(new CompilerMessageEventArgs(CompilerMessage.CannotTransferFile(transfer.Source, transfer.Destination), transfer.LineNumber), uae);
}
FileTransfer.RemoveDestination(backend, transfer);
retry = true;
}
catch (IOException e)
{
// if we already retried, give up
if (retry)
{
throw new CompilerException(new CompilerMessageEventArgs(CompilerMessage.CannotTransferFile(transfer.Source, transfer.Destination), transfer.LineNumber), e);
}
FileTransfer.RemoveDestination(backend, transfer);
retry = true;
}
} while (retry);
}