public async Task WriteAllAsync(IFormatReader reader)
{
while (!reader.EndOfFile)
{
SNP genotype = await reader.ReadNext();
await WriteNext(genotype);
}
}
public async Task WriteNext(SNP genotype)
{
if (genotype == null)
{
return;
}
string line = SerializeGenotype(genotype);
await _streamWriter.WriteLineAsync(line);
}
private SNP Parse(string line)
{
if (string.IsNullOrEmpty(line))
{
throw new InvalidFormatException();
}
string[] parts = line.Split("\t");
if (parts.Length != 4)
{
throw new InvalidFormatException();
}
SNP genotype = new SNP
{
Rsid = parts[0],
Chromosome = parts[1],
Position = parts[2],
Result = parts[3]
};
return(genotype);
}
private SNP Parse(string line)
{
if (string.IsNullOrEmpty(line))
{
throw new InvalidFormatException();
}
string[] parts = line.Split(",");
if (parts.Length != 4)
{
throw new InvalidFormatException();
}
string toReplace = "\"";
SNP genotype = new SNP
{
Rsid = parts[0].Replace(toReplace, String.Empty),
Chromosome = parts[1].Replace(toReplace, String.Empty),
Position = parts[2].Replace(toReplace, String.Empty),
Result = parts[3].Replace(toReplace, String.Empty)
};
return(genotype);
}
private string SerializeGenotype(SNP genotype)
{
return($"\"{genotype.Rsid}\",\"{genotype.Chromosome}\",\"{genotype.Position}\",\"{genotype.Result}\"");
}