public static string Decompress(string input)
{
var outputBuilder = new StringBuilder();
var inputBuilder = new StringBuilder(input);
while(inputBuilder.Length > 0)
{
switch (inputBuilder.FirstChar())
{
case MultiVerbatimCharMarker:
inputBuilder.PopChar();
var length = inputBuilder.PopChar();
outputBuilder.AppendAndPopCharFrom(inputBuilder, length);
break;
case SingleVerbatimCharMarker:
inputBuilder.PopChar();
outputBuilder.AppendAndPopCharFrom(inputBuilder);
break;
default:
outputBuilder.Append(PartDictionary[inputBuilder.PopChar()]);
break;
}
}
return outputBuilder.ToString();
}