public void Write(IFormatWriter writer, RomBytes instance)
{
var options = new List <string>
{
$"version:{CurrentDataFormatVersion}",
};
var romByteEncoding = new RomByteEncoding();
var lines = new List <string>();
foreach (var rb in instance)
{
var encodedTxt = romByteEncoding.EncodeByte(rb);
lines.Add(encodedTxt);
// debug check, optional:
#if EXTRA_DEBUG_CHECKS
var decoded = romByteEncoding.DecodeRomByte(encodedTxt);
Debug.Assert(decoded.EqualsButNoRomByte(rb));
#endif
}
if (CompressGroupBlock)
{
options.Add("compress_groupblocks");
RepeaterCompression.Compress(ref lines);
}
if (CompressUsingTable1)
{
options.Add("compress_table_1");
SubstitutionCompression.EncodeCompression_Table1(ref lines);
}
writer.Content($"\n{string.Join(",", options)}\n");
foreach (var line in lines)
{
writer.Content(line + "\n");
}
}
private static RomByte[] DecodeRomBytes(IReadOnlyList <string> allLines, int startIndex, int count)
{
// perf: allocate all at once, don't use List.Add() one at a time
var romBytes = new RomByte[count];
var romByteEncoding = new RomByteEncoding();
var i = 0;
try
{
while (i < count)
{
var line = allLines[startIndex + i];
romBytes[i] = romByteEncoding.DecodeRomByte(line);
++i;
}
}
catch (Exception ex)
{
ex.Data.Add("ParseLineNum", "Near line# " + (startIndex + i));
throw;
}
return(romBytes);
}