/// <summary>
/// Decodes the input string using the provided string mapping.
/// </summary>
public static PythonTuple charmap_decode(CodeContext context, [BytesConversion] IList <byte> input, string errors, [NotNull] string map)
{
EncodingMap m = new EncodingMap();
for (int i = 0; i < map.Length; i++)
{
m.Mapping[i] = map[i];
}
return(CharmapDecodeWorker(context, input, errors, new EncodingMapEncoding(m, errors)));
}
/// <summary>
/// Creates an optimized encoding mapping that can be consumed by an optimized version of charmap_encode.
/// </summary>
public static EncodingMap charmap_build(string decoding_table)
{
if (decoding_table.Length != 256)
{
throw PythonOps.TypeError("charmap_build expected 256 character string");
}
EncodingMap map = new EncodingMap();
for (int i = 0; i < decoding_table.Length; i++)
{
map.Mapping[(int)decoding_table[i]] = (char)i;
}
return(map);
}
/// <summary>
/// Encodes the input string with the specified optimized encoding map.
/// </summary>
public static PythonTuple charmap_encode(string input, string errors, [NotNull] EncodingMap map)
{
StringBuilder res = new StringBuilder();
var dict = map.Mapping;
for (int i = 0; i < input.Length; i++)
{
char val;
if (!dict.TryGetValue(input[i], out val))
{
if (errors == "strict")
{
throw PythonOps.UnicodeEncodeError("failed to find key in mapping");
}
res.Append("\ufffd");
}
else
{
res.Append(val);
}
}
return(PythonTuple.MakeTuple(res.ToString(), res.Length));
}
/// <summary>
/// Encodes the input string with the specified optimized encoding map.
/// </summary>
public static PythonTuple charmap_encode(CodeContext context, string input, string errors, [NotNull] EncodingMap map)
{
return(CharmapEncodeWorker(context, input, errors, new EncodingMapEncoding(map, errors)));
}
public EncodingMapEncoding(EncodingMap map, string errors)
{
_map = map;
_errors = errors;
}
public static PythonTuple charmap_encode(CodeContext context, [NotNull] string input, string?errors, [NotNull] EncodingMap map)
{
return(DoEncode(context, "charmap", new EncodingMapEncoding(map), input, errors).ToPythonTuple());
}
public static PythonTuple charmap_decode(CodeContext context, [BytesConversion, NotNull] IList <byte> input, string?errors, [NotNull] string map)
{
EncodingMap em = new EncodingMap(map, compileForDecoding: true, compileForEncoding: false);
return(DoDecode(context, "charmap", new EncodingMapEncoding(em), input, errors, input.Count).ToPythonTuple());
}