/// <summary>
/// Returns the contents of the specified file, or null if there is an error.
/// </summary>
/// <param name="path">That path, not including the filename.</param>
/// <param name="file">Filename.</param>
/// <param name="error">Error details, or null if there is no error.</param>
/// <returns>contents of the specified file, or null if there is an error.</returns>
internal static string ReadAllText(string path, string file, out FsError error)
{
error = null;
string fullPath = (file == null) ? path : Path.Combine(path, file);
FsErrorType err = FsErrorType.Unspecified;
try {
return(File.ReadAllText(fullPath));
} catch (FileNotFoundException) {
err = FsErrorType.FileNotFound;
} catch (DirectoryNotFoundException) {
err = FsErrorType.DirectoryNotFound;
} catch (PathTooLongException) {
err = FsErrorType.PathTooLong;
} catch (NotSupportedException) {
err = FsErrorType.InvalidPath;
} catch (System.Security.SecurityException) {
err = FsErrorType.SecurityException;
} catch (IOException) {
err = FsErrorType.IOError;
} catch (ArgumentException) {
err = FsErrorType.InvalidPath;
}
error = new FsError(fullPath, err);
return(null);
}
/// <summary>
/// Performs the action and swallows file system exceptions AS WELL AS
/// SOME EXCEPTIONS THAT MAY NOT BE CAUSE BY FILE SYSTEM. Use with caution.
/// </summary>
/// <param name="a"></param>
/// <param name="error"></param>
public static void PerformFileAction(FileAction a, out FsError error)
{
error = null;
FsErrorType err = FsErrorType.Unspecified;
try {
a();
return;
} catch (FileNotFoundException) {
err = FsErrorType.FileNotFound;
} catch (DirectoryNotFoundException) {
err = FsErrorType.DirectoryNotFound;
} catch (PathTooLongException) {
err = FsErrorType.PathTooLong;
} catch (NotSupportedException) {
err = FsErrorType.InvalidPath;
} catch (System.Security.SecurityException) {
err = FsErrorType.SecurityException;
} catch (IOException) {
err = FsErrorType.IOError;
} catch (ArgumentException) {
err = FsErrorType.InvalidPath;
}
error = new FsError(string.Empty, err);
}