public bool Equals(NarrowRow <T> other)
{
if (other == null)
{
return(false);
}
if (Column == null)
{
return(other.Column == null);
}
return(this.Column.Equals(other.Column));
}
private static Action <TextWriter> MakeRunGeneric <T>(string rowSet, string library)
{
const int NUM_SHALLOW = 10;
const int NUM_DEEP = 10_000;
IEnumerable <NarrowRow <T> > rows;
var r = MakeRandom();
switch (rowSet)
{
case "ShallowRows": rows = Enumerable.Range(0, NUM_SHALLOW).Select(_ => NarrowRow <T> .Create(r)).ToArray(); break;
case "DeepRows": rows = Enumerable.Range(0, NUM_DEEP).Select(_ => NarrowRow <T> .Create(r)).ToArray(); break;
default: throw new Exception();
}
Action <IEnumerable <NarrowRow <T> >, TextWriter> writeDel;
switch (library)
{
case nameof(Cesil):
{
var opts = Options.CreateBuilder(Options.Default).WithWriteTrailingRowEnding(WriteTrailingRowEnding.Always).ToOptions();
var config = Configuration.For <NarrowRow <T> >(opts);
writeDel = MakeWriteWithCesilDel(config);
}
break;
case nameof(CsvHelper):
{
var config = new CsvHelper.Configuration.CsvConfiguration(CultureInfo.InvariantCulture);
config.RegisterClassMap <NarrowRowMapping <T> >();
writeDel = MakeWriteWithCsvHelper(config);
}
break;
default: throw new Exception();
}
return(writer => writeDel(rows, writer));
private static string MakeCsv <T>(string rowSet)
{
const int NUM_SHALLOW = 10;
const int NUM_DEEP = 10_000;
string csv;
{
IEnumerable <NarrowRow <T> > rows;
var r = new Random(2020_04_20);
switch (rowSet)
{
case "ShallowRows": rows = Enumerable.Range(0, NUM_SHALLOW).Select(_ => NarrowRow <T> .Create(r)).ToArray(); break;
case "DeepRows": rows = Enumerable.Range(0, NUM_DEEP).Select(_ => NarrowRow <T> .Create(r)).ToArray(); break;
default: throw new Exception();
}
var opts = Options.CreateBuilder(Options.Default).WithWriteTrailingRowEnding(WriteTrailingRowEnding.Always).ToOptions();
var config = Configuration.For <NarrowRow <T> >(opts);
using (var str = new StringWriter())
{
using (var writer = config.CreateWriter(str))
{
writer.WriteAll(rows);
}
csv = str.ToString();
}
}
return(csv);
}
private static Func <IEnumerable <object> > MakeRunGeneric <T>(string rowSet, string lib)
{
const int NUM_SHALLOW = 10;
const int NUM_DEEP = 10_000;
string csv;
{
IEnumerable <NarrowRow <T> > rows;
var r = MakeRandom();
switch (rowSet)
{
case "ShallowRows": rows = Enumerable.Range(0, NUM_SHALLOW).Select(_ => NarrowRow <T> .Create(r)).ToArray(); break;
case "DeepRows": rows = Enumerable.Range(0, NUM_DEEP).Select(_ => NarrowRow <T> .Create(r)).ToArray(); break;
default: throw new Exception();
}
var opts = Options.CreateBuilder(Options.Default).WithWriteTrailingRowEnding(WriteTrailingRowEnding.Always).ToOptions();
var config = Configuration.For <NarrowRow <T> >(opts);
using (var str = new StringWriter())
{
using (var writer = config.CreateWriter(str))
{
writer.WriteAll(rows);
}
csv = str.ToString();
}
}
switch (lib)
{
case nameof(Cesil):
{
var opts = Options.CreateBuilder(Options.Default).WithWriteTrailingRowEnding(WriteTrailingRowEnding.Always).ToOptions();
var config = Configuration.For <NarrowRow <T> >(opts);
return
(() =>
{
var ret = new List <object>();
using (var str = new StringReader(csv))
using (var csv = config.CreateReader(str))
{
var rows = csv.EnumerateAll();
foreach (var row in rows)
{
ret.Add(row);
}
return ret;
}
});
}
case nameof(CsvHelper):
{
var config = new CsvHelper.Configuration.CsvConfiguration(CultureInfo.InvariantCulture);
config.RegisterClassMap <NarrowRowMapping <T> >();
config.IgnoreBlankLines = false;
return
(() =>
{
var ret = new List <object>();
using (var str = new StringReader(csv))
using (var csv = new CsvHelper.CsvReader(str, config))
{
var rows = csv.GetRecords <NarrowRow <T> >();
foreach (var row in rows)
{
ret.Add(row);
}
return ret;
}
});
}
default: throw new Exception();
}
