/// <summary>
/// Initializes a new instance of the <see cref="LazyCsvFile"/> class.
/// </summary>
/// <param name="file">The file containing the CSV to read.</param>
/// <param name="lineSlack">The amount of slack space for each line.</param>
/// <param name="options">The reader options.</param>
public LazyCsvFile(string file, int lineSlack, LazyCsvFileOptions options)
{
File = file;
LineSlack = lineSlack;
Options = options;
using (var csv = new CsvStreamReader(file, options))
{
HeaderDictionary = csv.StreamReader.ReadLine().Split(',')
.Select((x, i) => new KeyValuePair <string, int>(x, i))
.ToDictionary(x => x.Key, x => x.Value);
}
}
public CsvStreamReader(string file, LazyCsvFileOptions options)
{
FileStream = new FileStream(file, FileMode.Open);
if (options.HasFlag(LazyCsvFileOptions.ForceGZip) || IsGZipped(FileStream))
{
GZipStream = new GZipStream(FileStream, CompressionMode.Decompress);
StreamReader = new StreamReader(GZipStream);
}
else
{
StreamReader = new StreamReader(FileStream);
}
}
/// <summary>
/// Initializes a new instance of the <see cref="LazyCsvFile"/> class.
/// </summary>
/// <param name="file">The file containing the CSV to read.</param>
/// <param name="options">The reader options.</param>
public LazyCsvFile(string file, LazyCsvFileOptions options)
: this(file, 0, options)
{
}
