/// <summary>
/// Writes the current csv record to the stream and clears its content
/// </summary>
/// <returns>A task that represents the asynchronous operation.</returns>
public async Task WriteAsync()
{
if (_wasPreviousWrite)
{
await _csvWriter.WriteLineAsync();
}
await _csvWriter.WriteValuesAsync(_csvValues);
_wasPreviousWrite = true;
Array.Fill(_csvValues, null);
}
/// <summary>
/// Writes the csv dictionary to a CSV target
/// </summary>
/// <param name="csvWriter">A <see cref="CsvWriter"/></param>
/// <returns>A task that represents the asynchronous operation. The value of the TResult
// parameter contains the number of key/value pairs written.</returns>
public async Task <int> StoreAsync(CsvWriter csvWriter)
{
if (csvWriter == null)
{
throw new ArgumentNullException(nameof(csvWriter));
}
var c = 0;
var wasPreviousWrite = false;
foreach (var keyValuePair in _keyValuePairs)
{
if (wasPreviousWrite)
{
await csvWriter.WriteLineAsync();
}
wasPreviousWrite = true;
await csvWriter.WriteValuesAsync(keyValuePair.Key, keyValuePair.Value);
c++;
}
return(c);
}
/// <summary>
/// Writes a list of values to the CSV streem and closes the current row within the CSV stream.
/// </summary>
/// <param name="csvWriter">The <see cref="CsvWriter"/></param>
/// <param name="values">The list of values to be written.</param>
/// <returns>A task that represents the asynchronous write operation.</returns>
public static async Task WriteLineValuesAsync(this CsvWriter csvWriter, IEnumerable <string> values)
{
await csvWriter.WriteValuesAsync(values);
await csvWriter.WriteLineAsync();
}
/// <summary>
/// Writes a list of values to the CSV streem
/// </summary>
/// <param name="csvWriter">The <see cref="CsvWriter"/></param>
/// <param name="values">The list of values to be written.</param>
/// <returns>A task that represents the asynchronous write operation.</returns>
public static async Task WriteValuesAsync(this CsvWriter csvWriter, params string[] values)
{
await csvWriter.WriteValuesAsync((IEnumerable <string>) values);
}