// This file (IniLineParser.cs) is a part of [SOME APPLICATION] and is copyright 2009 IBBoard.
//
// The file and the library/program it is in are licensed under the GNU LGPL license. Please see COPYING.LGPL for more information and the full license.

using System;

namespace IBBoard.Ini
{
	public class IniLineParser
	{		
		/// <summary>
		/// Gets a key-value pair of strings from a string in the INI settings format. If the line does not contain an equals then a zero-length array is returned.
		/// If there are multiple equals signs the the key is split from the value on the first one
		/// </summary>
		/// <param name="line">
		/// A <see cref="System.String"/>
		/// </param>
		/// <returns>
		/// A <see cref="System.String"/>
		/// </returns>
		public static string[] GetKeyValuePair(string line)
		{
			line = line.Trim();
			int idx = line.IndexOf('=');
			string[] keyValuePair;
			
			if (idx > 0)
			{
				keyValuePair = SplitAtIndex(line, idx);
			}
			else
			{
				keyValuePair = new string[0];
			}
			
			return keyValuePair;
		}
		
		private static string[] SplitAtIndex(string line, int idx)
		{
			string[] keyValuePair = new string[2];
			keyValuePair[0] = line.Substring(0, idx).Trim();
			keyValuePair[1] = line.Substring(idx+1).Trim();
			return keyValuePair;
		}
	}
}