public static EncodeOptionType GetOptionType(string option)
{
EncodeOptionType optionType = EncodeOptionType.None;
foreach (var pair in Options)
{
foreach (var item in pair.Value)
{
if (item == option)
{
optionType = pair.Key;
break;
}
}
}
return(optionType);
}
private static EncodeCommandLineOptions ParseOptions(CommandLineOptions commandLineOptions)
{
if (commandLineOptions == null)
{
throw new CommandLineException(string.Format(CultureInfo.CurrentCulture,
"Option used in invalid context -- {0}", "must specify a option."));
}
EncodeCommandLineOptions targetOptions = new EncodeCommandLineOptions();
if (commandLineOptions.Arguments.Count >= 0)
{
foreach (var arg in commandLineOptions.Arguments.Keys)
{
EncodeOptionType optionType = EncodeOptions.GetOptionType(arg);
if (optionType == EncodeOptionType.None)
{
throw new CommandLineException(
string.Format(CultureInfo.CurrentCulture, "Option used in invalid context -- {0}",
string.Format(CultureInfo.CurrentCulture, "cannot parse the command line argument : [{0}].", arg)));
}
switch (optionType)
{
case EncodeOptionType.InputFile:
targetOptions.IsSetInputFile = true;
targetOptions.InputFile = commandLineOptions.Arguments[arg];
break;
case EncodeOptionType.OutputFile:
targetOptions.IsSetOutputFile = true;
targetOptions.OutputFile = commandLineOptions.Arguments[arg];
break;
case EncodeOptionType.FromEncoding:
targetOptions.IsSetFromEncoding = true;
if (commandLineOptions.Arguments[arg].ToUpperInvariant() == @"ASCII")
{
targetOptions.FromEncoding = Encoding.ASCII;
}
else if (commandLineOptions.Arguments[arg].ToUpperInvariant() == @"UTF7")
{
targetOptions.FromEncoding = Encoding.UTF7;
}
else if (commandLineOptions.Arguments[arg].ToUpperInvariant() == @"UTF8")
{
targetOptions.FromEncoding = Encoding.UTF8;
}
else if (commandLineOptions.Arguments[arg].ToUpperInvariant() == @"UNICODE")
{
targetOptions.FromEncoding = Encoding.Unicode;
}
else if (commandLineOptions.Arguments[arg].ToUpperInvariant() == @"UTF32")
{
targetOptions.FromEncoding = Encoding.UTF32;
}
else if (commandLineOptions.Arguments[arg].ToUpperInvariant() == @"BIGENDIANUNICODE")
{
targetOptions.FromEncoding = Encoding.BigEndianUnicode;
}
else
{
throw new CommandLineException(string.Format(CultureInfo.CurrentCulture,
"Option used in invalid context -- {0}", "invalid encoding, support ASCII, UTF7, UTF8, UTF32, Unicode, BigEndianUnicode."));
}
break;
case EncodeOptionType.ToEncoding:
targetOptions.IsSetToEncoding = true;
if (commandLineOptions.Arguments[arg].ToUpperInvariant() == @"ASCII")
{
targetOptions.ToEncoding = Encoding.ASCII;
}
else if (commandLineOptions.Arguments[arg].ToUpperInvariant() == @"UTF7")
{
targetOptions.ToEncoding = Encoding.UTF7;
}
else if (commandLineOptions.Arguments[arg].ToUpperInvariant() == @"UTF8")
{
targetOptions.ToEncoding = Encoding.UTF8;
}
else if (commandLineOptions.Arguments[arg].ToUpperInvariant() == @"UNICODE")
{
targetOptions.ToEncoding = Encoding.Unicode;
}
else if (commandLineOptions.Arguments[arg].ToUpperInvariant() == @"UTF32")
{
targetOptions.ToEncoding = Encoding.UTF32;
}
else if (commandLineOptions.Arguments[arg].ToUpperInvariant() == @"BIGENDIANUNICODE")
{
targetOptions.ToEncoding = Encoding.BigEndianUnicode;
}
else
{
throw new CommandLineException(string.Format(CultureInfo.CurrentCulture,
"Option used in invalid context -- {0}", "invalid encoding, support ASCII, UTF7, UTF8, UTF32, Unicode, BigEndianUnicode."));
}
break;
case EncodeOptionType.Directory:
targetOptions.IsSetDirectory = true;
targetOptions.Directory = commandLineOptions.Arguments[arg];
break;
case EncodeOptionType.Recursive:
targetOptions.IsSetRecursive = true;
break;
case EncodeOptionType.Help:
targetOptions.IsSetHelp = true;
break;
case EncodeOptionType.Version:
targetOptions.IsSetVersion = true;
break;
}
}
}
if (commandLineOptions.Parameters.Count > 0)
{
if (!targetOptions.IsSetInputFile)
{
targetOptions.IsSetInputFile = true;
targetOptions.InputFile = commandLineOptions.Parameters.First();
}
}
return(targetOptions);
}
