private bool CheckIndices(int[] Indices, ShocoPack Pack)
{
// TODO: Investigate hardware acceleration
for (int i = 0; i < Pack.BytesUnpacked; ++i)
{
if (Indices[i] > Pack.masks[i])
{
return(false);
}
}
return(true);
}
/// <summary>
/// Reads a C Header into a ShocoModel
/// </summary>
/// <param name="FileContent">C Header source</param>
/// <returns>ShocoModel representation from the C Header</returns>
public static ShocoModel ReadFromCHeaderContent(string FileContent)
{
Match match;
Match subMatch;
CaptureCollection captures;
int dimention1;
int dimention2;
int minimumCharacter;
int maximumCharacter;
int maximumSuccessorLength;
byte[] charactersById;
byte[] idsByCharacter;
byte[,] successorIdsByCharacterId = null;
byte[,] charactersBySuccessorId = null;
ShocoPack[] packs;
match = Regex.Match(FileContent, @"^#define\s+MIN_CHR\s+(\d+)", RegexOptions.Multiline);
if (!match.Success)
{
throw new ArgumentException("Could not extract MIN_CHR value", nameof(FileContent));
}
if (!int.TryParse(match.Groups[1].Value, out minimumCharacter))
{
throw new ArgumentException("Invalid MIN_CHR value present", nameof(FileContent));
}
match = Regex.Match(FileContent, @"^#define\s+MAX_CHR\s+(\d+)", RegexOptions.Multiline);
if (!match.Success)
{
throw new ArgumentException("Could not extract MAX_CHR value", nameof(FileContent));
}
if (!int.TryParse(match.Groups[1].Value, out maximumCharacter))
{
throw new ArgumentException("Invalid MAX_CHR value present", nameof(FileContent));
}
match = Regex.Match(FileContent, @"^#define\s+MAX_SUCCESSOR_N\s+(\d+)", RegexOptions.Multiline);
if (!match.Success)
{
throw new ArgumentException("Could not extract MAX_SUCCESSOR_N value", nameof(FileContent));
}
if (!int.TryParse(match.Groups[1].Value, out maximumSuccessorLength))
{
throw new ArgumentException("Invalid MAX_CHR value present", nameof(FileContent));
}
match = Regex.Match(FileContent, @"chrs_by_chr_id\[[^{}]+?{(?:\s*'(\\[abfnrtv\\'""?e]|\\\d\d\d|\\x[\dA-Fa-f]{2}|.)'\s*,?\s*)+}");
if (!match.Success)
{
throw new ArgumentException("Could not extract chrs_by_chr_id values", nameof(FileContent));
}
charactersById = match.Groups[1].Captures.Cast <Capture>().Select(c => c.Value).Select(UnescapeC).ToArray();
match = Regex.Match(FileContent, @"chr_ids_by_chr\[[^{}]+?{(?:\s*([\d-]+)\s*,?\s*)+}");
if (!match.Success)
{
throw new ArgumentException("Could not extract chr_ids_by_chr values", nameof(FileContent));
}
idsByCharacter = match.Groups[1].Captures.Cast <Capture>().Select(c => c.Value).Select(ParseCByte).ToArray();
match = Regex.Match(FileContent, @"successor_ids_by_chr_id_and_chr_id\[[^{}]+?{(?:\s*{((?:\s*[\d-]+\s*,?\s*)+)}\s*,?)*}");
if (!match.Success)
{
throw new ArgumentException("Could not extract successor_ids_by_chr_id_and_chr_id values", nameof(FileContent));
}
dimention1 = match.Groups[1].Captures.Count;
dimention2 = 0;
for (int d1 = 0; d1 < dimention1; d1++)
{
subMatch = Regex.Match(match.Groups[1].Captures[d1].Value, @"(?:\s*([\d-]+)\s*,?\s*)+");
if (!subMatch.Success)
{
throw new ArgumentException("Could not extract successor_ids_by_chr_id_and_chr_id values", nameof(FileContent));
}
captures = subMatch.Groups[1].Captures;
if (successorIdsByCharacterId == null)
{
dimention2 = captures.Count;
successorIdsByCharacterId = new byte[dimention1, dimention2];
}
for (int d2 = 0; d2 < dimention2; d2++)
{
successorIdsByCharacterId[d1, d2] = ParseCByte(captures[d2].Value);
}
}
match = Regex.Match(FileContent, @"chrs_by_chr_and_successor_id\[[^{}]+?{(\s*{(?:\s*'(?:\\[abfnrtv\\'""?e]|\\\d\d\d|\\x[\dA-Fa-f]{2}|.)'\s*,?\s*)+}\s*,?)*}");
if (!match.Success)
{
throw new ArgumentException("Could not extract chrs_by_chr_and_successor_id values", nameof(FileContent));
}
dimention1 = match.Groups[1].Captures.Count;
if (dimention1 != maximumCharacter - minimumCharacter)
{
throw new ArgumentException("Could not extract chrs_by_chr_and_successor_id values; invalid length", nameof(FileContent));
}
dimention2 = 0;
for (int d1 = 0; d1 < dimention1; d1++)
{
subMatch = Regex.Match(match.Groups[1].Captures[d1].Value, @"(?:\s*'(\\[abfnrtv\\'""?e]|\\\d\d\d|\\x[\dA-Fa-f]{2}|.)'\s*,?\s*)+");
if (!subMatch.Success)
{
throw new ArgumentException("Could not extract chrs_by_chr_and_successor_id values", nameof(FileContent));
}
captures = subMatch.Groups[1].Captures;
if (charactersBySuccessorId == null)
{
dimention2 = captures.Count;
charactersBySuccessorId = new byte[dimention1, dimention2];
}
for (int d2 = 0; d2 < dimention2; d2++)
{
charactersBySuccessorId[d1, d2] = UnescapeC(captures[d2].Value);
}
}
match = Regex.Match(FileContent, @"Pack packs\[[^{}]+?{(\s*{\s*0x[^\s,]*\s*,\s*\d+\s*,\s*\d+\s*,\s*{[^}]*}\s*,\s*{[^}]*}\s*,\s*0x[0-9A-Fa-f]{2}\s*,\s*0x[0-9A-Fa-f]{2}\s*}\s*,?)+\s*}");
if (!match.Success)
{
throw new ArgumentException("Could not extract packs", nameof(FileContent));
}
packs = new ShocoPack[match.Groups[1].Captures.Count];
for (int i = 0; i < packs.Length; i++)
{
var capture = match.Groups[1].Captures[i];
subMatch = Regex.Match(capture.Value, @"\s*{\s*0x([^\s,]*)\s*,\s*(\d+)\s*,\s*(\d+)\s*,\s*{(?:\s*(\d+)\s*,?)*}\s*,\s*{(?:\s*(\d+)\s*,?)*}\s*,\s*0x[0-9A-Fa-f]{2}\s*,\s*0x[0-9A-Fa-f]{2}\s*}");
if (!subMatch.Success)
{
throw new ArgumentException("Could not extract pack", nameof(FileContent));
}
if (!uint.TryParse(subMatch.Groups[1].Value, NumberStyles.AllowHexSpecifier, CultureInfo.InvariantCulture, out var code_word))
{
throw new ArgumentException("Could not extract pack code word", nameof(FileContent));
}
if (!int.TryParse(subMatch.Groups[2].Value, out var bytes_packed))
{
throw new ArgumentException("Could not extract pack bytes_packed", nameof(FileContent));
}
if (!int.TryParse(subMatch.Groups[3].Value, out var bytes_unpacked))
{
throw new ArgumentException("Could not extract pack bytes_unpacked", nameof(FileContent));
}
var offsets = subMatch.Groups[4].Captures.Cast <Capture>().Select(c => c.Value).Select(int.Parse).ToArray();
var masks = subMatch.Groups[5].Captures.Cast <Capture>().Select(c => c.Value).Select(int.Parse).ToArray();
packs[i] = new ShocoPack(
Header: (byte)(code_word >> 24),
BytesPacked: bytes_packed,
BytesUnpacked: bytes_unpacked,
Offsets: offsets,
Masks: masks);
}
return(new ShocoModel(minimumCharacter, maximumCharacter, maximumSuccessorLength,
charactersById, idsByCharacter, successorIdsByCharacterId, charactersBySuccessorId,
packs));
}
