/// <summary>
/// Initializes a new instance of the <see cref="CsvColumn"/> struct.
/// </summary>
/// <param name="document">The document.</param>
/// <param name="columnIndex">Index of the column.</param>
/// <exception cref="ArgumentOutOfRangeException"></exception>
public CsvColumn(CsvDocument document, int columnIndex)
{
_columnIndex = columnIndex;
if (_columnIndex <0 | columnIndex> document.Header.Length)
{
throw new ArgumentOutOfRangeException($"{nameof(columnIndex)}: {columnIndex}");
}
_records = document._records;
Name = document.Header[_columnIndex];
}
/// <summary>
/// Initializes a new instance of the <see cref="CsvColumn"/> struct.
/// </summary>
/// <param name="document">The document.</param>
/// <param name="columnName">Name of the column.</param>
/// <exception cref="ArgumentException">If cannot find the column.</exception>
public CsvColumn(CsvDocument document, string columnName)
{
_columnIndex = document.Header.IndexOf(columnName);
if (_columnIndex < 0)
{
throw new ArgumentException("Cannot find a column named: " + columnName);
}
_records = document._records;
Name = columnName;
}
internal Builder(CsvDocument document)
{
_document = document;
_values = new object[document.Header.Length];
_pos = 0;
}