//http://facebooktoolkit.codeplex.com/
//http://facebooktoolkit.codeplex.com/license
using System.Collections.Generic;
using System.Text;
namespace Facebook.Utility
{
///
/// Helper functions for string manipulation
///
public static class StringHelper
{
///
/// Convert a collection of strings to a comma separated list.
///
/// The collection to convert to a comma separated list.
/// comma separated string.
public static string ConvertToCommaSeparated(IList collection)
{
// assumed that the average string length is 10 and double the buffer multiplying by 2
// if this does not fit in your case, please change the values
int preAllocation = collection.Count * 10 * 2;
var sb = new StringBuilder(preAllocation);
int i = 0;
bool isString = typeof(T) == typeof(string);
foreach (T key in collection)
{
if (isString)
{
sb.Append('\'');
}
sb.Append(key.ToString());
if (isString)
{
sb.Append('\'');
}
if (i < collection.Count - 1)
sb.Append(",");
i++;
}
return sb.ToString();
}
}
}