/// <summary>
/// Converts a list of string values to a CSV text line
/// </summary>
/// <param name="csvLineWriter">The <see cref="CsvLineBuilder"/></param>
/// <param name="values">List of string values</param>
/// <returns>
/// A CSV formated text line
/// </returns>
public static string Write(this CsvLineBuilder csvLineWriter, IEnumerable <string> values)
{
if (values == null)
{
throw new ArgumentNullException(nameof(values));
}
csvLineWriter.Clear();
foreach (string value in values)
{
csvLineWriter.Append(value);
}
return(csvLineWriter.ToString());
}
/// <summary>
/// Reads all csv records out of the stream and gives back an enumerator of newly encoded csv strings.
/// This method can be used as a line by line syntax checker.
/// </summary>
/// <param name="csvReader">The <see cref="CsvReader"/></param>
/// <returns>
/// An async enumerator of newly encoded csv strings
/// </returns>
public static async IAsyncEnumerable <string> ReadAllLinesAsync(this CsvReader csvReader)
{
var csvLineBuilder = new CsvLineBuilder()
{
Configuration = csvReader.Configuration
};
while (await csvReader.ReadLineAsync((i, s) => { csvLineBuilder.Append(s); }) > 0)
{
yield return(csvLineBuilder.ToString());
csvLineBuilder.Clear();
}
}
/// <summary>
/// Parses a CSV text line and returns back again the complete line as CSV string.
/// </summary>
/// <param name="csvLineReader">The <see cref="CsvLineParser"/></param>
/// <param name="line">A CSV formated text line</param>
/// <returns>
/// The complete row as CSV string if values are available; otherwise null.
/// </returns>
public static string Validate(this CsvLineParser csvLineReader, string line)
{
var csvLineBuilder = new CsvLineBuilder()
{
Configuration = csvLineReader.Configuration
};
return((csvLineReader.Read(line, (i, s) => { csvLineBuilder.Append(s); }) > 0) ? csvLineBuilder.ToString() : null);
}