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#region License
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/*
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#region License
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/* FNA - XNA4 Reimplementation for Desktop Platforms
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* Copyright 2009-2020 Ethan Lee and the MonoGame Team
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*
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* Released under the Microsoft Public License.
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* See LICENSE for details.
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*/
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#endregion
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#region Using Statements
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using System.Collections.Generic;
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#endregion
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namespace Microsoft.Xna.Framework
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{
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public class LaunchParameters : Dictionary<string, string>
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{
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/* FIXME: This whole parser is one big assumption!
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*
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* I basically started with what MS programs usually accept as
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* arguments, then threw a bunch of values at XNA to see what it
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* accepted and what it didn't.
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*
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* Aside from what you see below, all I could rule out was that
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* it doesn't let you do two args as one param, and '=' is not a
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* valid value separator either. As an example, "-r:FNA.dll"
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* will work, "-r FNA.dll" and "-r=FNA.dll" will not.
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*
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* The part that bothers me the most, however, is the flag
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* indicator. It seems to let anything through as long as : is
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* there, but it trims some special chars, and does so pretty
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* broadly. You can do '-', "--", "---", etc! Lastly, in
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* addition to the chars below, I also tried '+', which didn't
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* work. I have no idea if there are any other chars to check.
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*
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* If anybody has an official standard, I'd like to see it!
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* -flibit
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*/
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#region Private Static Variables
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private static readonly char[] flags = new char[]
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{
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'/', '-'
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};
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#endregion
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#region Public Constructor
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public LaunchParameters()
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{
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string[] args = System.Environment.GetCommandLineArgs();
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foreach (string a in args)
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{
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string arg = a.TrimStart(flags);
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/* 1 for ':', 1 for key, 1 for value */
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if (arg.Length < 3)
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{
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continue;
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}
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/* You can have multiple :, only the first matters */
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int valueOffset = arg.IndexOf(":", 1, arg.Length - 2);
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if (valueOffset >= 0)
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{
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/* All instances after the first are ignored */
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string key = arg.Substring(0, valueOffset);
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if (!ContainsKey(key))
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{
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Add(
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key,
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arg.Substring(valueOffset + 1)
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);
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}
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}
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}
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}
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#endregion
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}
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}
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