public static async Task <List <GffFeature> > FromFile(string path)
{
using (var reader = new StreamReader(path))
using (var csv = new CsvReader(reader, CultureInfo.InvariantCulture))
{
csv.Configuration.Delimiter = "\t";
var records = new List <GffFeature>();
while (await csv.ReadAsync())
{
var sequence = csv.GetField(0);
if (sequence.StartsWith("#"))
{
continue;
}
var hasAttributes = csv.TryGetField(8, out string attributesFied);
var attributes = new Dictionary <string, string>();
if (hasAttributes)
{
attributes = AttributesParser.Parse(attributesFied, AttributesParser.GffAttributeRegex);
}
var additionnalFieldValues = new List <string>();
var additionnalFieldIndex = 9;
while (csv.TryGetField(additionnalFieldIndex, out string value))
{
additionnalFieldValues.Add(value);
}
records.Add(new GffFeature()
{
Sequence = sequence,
Source = csv.GetField(1),
Feature = csv.GetField(2),
Start = Int32.Parse(csv.GetField(3)),
End = Int32.Parse(csv.GetField(4)),
Score = csv.GetField(5) switch
{
"." => null,
{ } s => Int32.Parse(s)
},
public static async Task <List <Snp> > FromCsv(string path)
{
using (var reader = new StreamReader(path))
using (var csv = new CsvReader(reader, CultureInfo.InvariantCulture))
{
csv.Configuration.Delimiter = "\t";
var records = new List <Snp>();
while (await csv.ReadAsync())
{
var record = SpdiParser.Parse(csv.GetField(0));
var hasAttributes = csv.TryGetField(1, out string attributesFied);
if (hasAttributes)
{
var attributes = AttributesParser.Parse(attributesFied);
record.Attributes = attributes;
}
records.Add(record);
}
return(records);
}
}