private void ParseEncodingMessage(IBitIterator it, MessageMode mode)
{
if (!it.EndReached)
{
this.charCountIndicatorSymbolCode = CodeSymbolCode <CharCountIndicatorSymbol> .BuildInstance(it, new CharCountIndicatorSymbolFactory(mode));
this.characterCount = charCountIndicatorSymbolCode.GetSymbolAt(0).GetCharacterCount();
if (!it.EndReached)
{
switch (mode.Mode)
{
case MessageMode.EncodingMode.Byte:
this.Message = CodeSymbolCode <ByteEncodingSymbol> .BuildInstance(it, new ByteEncodingSymbolFactory(characterCount));
break;
case MessageMode.EncodingMode.Alphanumeric:
this.Message = CodeSymbolCode <AlphaNumericEncodingSymbol> .BuildInstance(it, new AlphaNumericEncodingSymbolFactory(characterCount));
break;
case MessageMode.EncodingMode.Numeric:
this.Message = CodeSymbolCode <NumericEncodingSymbol> .BuildInstance(it, new NumericEncodingSymbolFactory(characterCount));
break;
default:
throw new NotImplementedException($"{mode.Mode} decoding not implemented");
}
}
}
}
private void RepairBlock()
{
int[] dataWithECC = new int[this.preRepairData.SymbolCount + this.preRepairECC.SymbolCount];
ECCBlock.ConvertToIntArray(preRepairData).CopyTo(dataWithECC, 0);
ECCBlock.ConvertToIntArray(preRepairECC).CopyTo(dataWithECC, this.preRepairData.SymbolCount);
var rsDecoder = new ReedSolomonDecoder(GenericGF.QR_CODE_FIELD_256);
this.RepairSuccess = rsDecoder.decode(dataWithECC, this.preRepairECC.SymbolCount);
if (dataWithECC.All(x => x == 0)) // TODO determine better way to detect zeroing out of block
{
this.RepairSuccess = false;
}
if (this.RepairSuccess)
{
var dataArr = new int[this.preRepairData.SymbolCount];
var eccArr = new int[this.preRepairECC.SymbolCount];
Array.Copy(dataWithECC, 0, dataArr, 0, dataArr.Length);
Array.Copy(dataWithECC, dataArr.Length, eccArr, 0, eccArr.Length);
var dataIt = new OverrideByteSymbolCodeValuesBitIterator <RawCodeByte>(this.preRepairData, dataArr);
var eccIt = new OverrideByteSymbolCodeValuesBitIterator <RawCodeByte>(this.preRepairECC, eccArr);
var factory = new RawCodeByteFactory();
this.postRepairData = CodeSymbolCode <RawCodeByte> .BuildInstance(dataIt, factory);
this.postRepairECC = CodeSymbolCode <RawCodeByte> .BuildInstance(eccIt, factory);
}
else
{
this.postRepairData = this.preRepairData;
this.postRepairECC = this.preRepairECC;
}
}