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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace HandBrakeWPF.Utilities.Output
{
/// <summary>
/// Utilitiy functions for writing CSV files
/// </summary>
internal sealed class CsvHelper
{
private const string QUOTE = "\"";
private const string ESCAPED_QUOTE = "\"\"";
private static readonly char[] CHARACTERS_THAT_MUST_BE_QUOTED = { ',', '"', '\n', '\t' };
/// <summary>
/// Properly escapes a string value containing reserved characters with double quotes "..." before it is written to a CSV file.
/// </summary>
/// <param name="value">Value to be escaped</param>
/// <returns>Fully escaped value</returns>
public static string Escape(string value)
{
if (value.Contains(QUOTE))
value = value.Replace(QUOTE, ESCAPED_QUOTE);
if (value.IndexOfAny(CHARACTERS_THAT_MUST_BE_QUOTED) > -1)
value = QUOTE + value + QUOTE;
return value;
}
}
}
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