/// <summary>
/// Gets a copy of a file.
/// If the file doesn't exist, the copied file will not exist neither.
/// </summary>
/// <param name="fileSystem">The file or directory to be copied</param>
/// <param name="path">The relative path (starting from the location of the original file) to the directory where the file will be copied to</param>
/// <returns>The copied file</returns>
private static FileSystemInfo CopyFile(FileSystemInfo fileSystem, string path)
{
if ((path != null) && (path.Trim() != ""))
{
if (fileSystem is FileInfo)
{
FileInfo file = (FileInfo)fileSystem;
FileInfo targetFile = FileSupport.ExpandRelativePath(file.Directory, path + "\\" + file.Name);
if (File.Exists(file.FullName))
{
if (!targetFile.Directory.Exists)
{
targetFile.Directory.Create();
}
file.CopyTo(targetFile.FullName, true);
}
else
{
if (File.Exists(targetFile.FullName))
{
targetFile.Delete();
}
}
return(new FileInfo(targetFile.FullName));
}
if (fileSystem is DirectoryInfo)
{
DirectoryInfo dir = (DirectoryInfo)fileSystem;
DirectoryInfo targetDir = FileSupport.ExpandRelativeDirectory(dir, path);
if (Directory.Exists(dir.FullName))
{
DirCopy(dir.FullName, targetDir.FullName, false);
}
else
{
if (Directory.Exists(targetDir.FullName))
{
Directory.Delete(targetDir.FullName);
}
}
return(targetDir);
}
return(null);
}
else
{
return(fileSystem);
}
}
/// <summary>
/// Gets the relative path from a starting directory to a file
/// </summary>
/// <param name="baseDirectory">Starting point</param>
/// <param name="targetFile">File to refer to</param>
/// <returns></returns>
public static string GetRelativePath(DirectoryInfo baseDirectory, FileInfo targetFile)
{
// When roots are different, the result is the full path of the target.
if (!targetFile.Directory.Root.ToString().Equals(baseDirectory.Root.ToString()))
{
return(targetFile.FullName);
}
// Quick result when the target resides in the base directory.
if (targetFile.Directory.FullName.Equals(baseDirectory.FullName))
{
return(targetFile.Name);
}
ArrayList baseDir = FileSupport.GetDirectoryArray(baseDirectory);
ArrayList target = FileSupport.GetDirectoryArray(targetFile.Directory);
// Finally add the target file name
return(FileSupport.GetRelativeDir(baseDir, target) + targetFile.Name);
}
