| private static GetExtension ( CodeLanguage language ) : string | ||
| language | CodeLanguage | |
| return | string | |
/// <summary>
/// This is a helper method for acquiring a unique file name.
/// </summary>
/// <returns>
/// A string representing the absolute path of a given file. If overwrite flag is turned off and
/// if the evaluvated file name already exists in the file system, this function creates a new
/// file name by appending a numeric constant at the end of the file name.
/// </returns>
private static string GetUniqueFileName(string directory, string fileName, CodeLanguage language, bool overwrite)
{
// Get the appropriate file extension for the selected programming language.
string ext = CodeWriter.GetExtension(language);
// Read the file name without the extension.
string fileNameWithoutExt = Path.GetFileNameWithoutExtension(fileName);
// Construct the absolute path of the file by concatanating directory name, file name and the
// extension.
string absPath = Path.Combine(directory, string.Format("{0}.{1}", fileNameWithoutExt, ext));
// Can't we overwrite files?
if (!overwrite)
{
// We arrive here if we cannot overwrite existing files.
// Counter used for generating the numeric constant for unique file name generation.
int counter = 1;
// Create a new file name until the created file name does not exist in the file system.
while (File.Exists(absPath))
{
// Create the new file name.
absPath = Path.Combine(directory, string.Format("{0}{1}.{2}", fileNameWithoutExt, counter.ToString(), ext));
// Increment the counter.
counter++;
}
}
// Finally return the generated absolute path of the file.
return(absPath);
}
