public static void WriteValue(TextWriter writer, object?value = null, bool forceQuotes = false)
{
if (writer is null)
{
throw new ArgumentNullException(nameof(writer));
}
Contract.EndContractBlock();
writer.Write(CsvUtility.ExportValue(value, forceQuotes));
}
public static bool TryGetNextRow(StreamReader source, out IEnumerable <string> row)
{
if (source is null)
{
throw new ArgumentNullException(nameof(source));
}
Contract.EndContractBlock();
if (!source.EndOfStream)
{
row = CsvUtility.GetLine(source.ReadLine());
return(true);
}
row = null !;
return(false);
}
public static DataTable GetDataTable(string csv, bool firstRowIsHeader = false)
{
string[][] data = CsvUtility.GetArray(csv, out int maxColumns);
var t = new DataTable();
if (data.Any())
{
if (firstRowIsHeader)
{
var firstRow = data.First();
for (int i = 0; i < maxColumns; i++)
{
t.Columns.Add(firstRow[i], typeof(string));
}
}
else
{
for (int i = 0; i < maxColumns; i++)
{
t.Columns.Add("Column" + i.ToString("00"), typeof(string));
}
}
for (int n = firstRowIsHeader ? 1 : 0; n < data.Length; n++)
{
var s = data[n];
DataRow r = t.NewRow();
for (int i = 0; i < s.Length; i++)
{
r["Column" + i.ToString("00")] = s[i];
}
t.Rows.Add(r);
}
}
return(t);
}
public static void WriteCsvValue(this HttpResponse writer, object value, bool forceQuotes = false)
{
writer.Write(CsvUtility.ExportValue(value, forceQuotes));
}
static async ValueTask <IEnumerable <string>?> GetNextRowAsyncCore(StreamReader source) => source.EndOfStream ? null : CsvUtility.GetLine(await source.ReadLineAsync().ConfigureAwait(false));
