74 lines
2.9 KiB
C#
74 lines
2.9 KiB
C#
#region Disclaimer / License
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// Copyright (C) 2011, Kenneth Skovhede
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// http://www.hexad.dk, opensource@hexad.dk
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2.1 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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//
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#endregion
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using System;
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using System.Collections.Generic;
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using System.Text;
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namespace Duplicati.Library.Utility
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{
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/// <summary>
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/// Common class for parsing commandline options
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/// </summary>
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public static class CommandLineParser
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{
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/// <summary>
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/// Reads a list of command line arguments, and removes the options passed,
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/// and returns them in a dictionary. Options are expected to be in the format
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/// --name=value or --name, both value and name may be enclosed in double quotes
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/// </summary>
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/// <returns>The parsed list of commandline options</returns>
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/// <param name='args'>The commandline arguments</param>
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public static Dictionary<string, string> ExtractOptions(List<string> args, Func<string, string, bool> parserCallback = null)
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{
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Dictionary<string, string> options = new Dictionary<string, string>();
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for (int i = 0; i < args.Count; i++)
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{
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if (args[i].StartsWith("--"))
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{
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string key = null;
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string value = null;
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if (args[i].IndexOf("=") > 0)
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{
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key = args[i].Substring(0, args[i].IndexOf("="));
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value = args[i].Substring(args[i].IndexOf("=") + 1);
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}
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else
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key = args[i];
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//Skip the leading --
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key = key.Substring(2).ToLower();
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if (!string.IsNullOrEmpty(value) && value.Length > 1 && value.StartsWith("\"") && value.EndsWith("\""))
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value = value.Substring(1, value.Length - 2);
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//Last argument overwrites the current
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if (parserCallback == null || parserCallback(key, value))
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options[key] = value;
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args.RemoveAt(i);
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i--;
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}
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}
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return options;
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}
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}
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}
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