diff -r 0135e64c6c66 -r c4fd2813b127 misc/libphysfs/lzma/CS/7zip/Common/CommandLineParser.cs
--- a/misc/libphysfs/lzma/CS/7zip/Common/CommandLineParser.cs	Wed May 16 18:22:28 2018 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,274 +0,0 @@
-// CommandLineParser.cs
-
-using System;
-using System.Collections;
-
-namespace SevenZip.CommandLineParser
-{
-	public enum SwitchType
-	{
-		Simple,
-		PostMinus,
-		LimitedPostString,
-		UnLimitedPostString,
-		PostChar
-	}
-
-	public class SwitchForm
-	{
-		public string IDString;
-		public SwitchType Type;
-		public bool Multi;
-		public int MinLen;
-		public int MaxLen;
-		public string PostCharSet;
-
-		public SwitchForm(string idString, SwitchType type, bool multi,
-			int minLen, int maxLen, string postCharSet)
-		{
-			IDString = idString;
-			Type = type;
-			Multi = multi;
-			MinLen = minLen;
-			MaxLen = maxLen;
-			PostCharSet = postCharSet;
-		}
-		public SwitchForm(string idString, SwitchType type, bool multi, int minLen):
-			this(idString, type, multi, minLen, 0, "")
-		{
-		}
-		public SwitchForm(string idString, SwitchType type, bool multi):
-			this(idString, type, multi, 0)
-		{
-		}
-	}
-
-	public class SwitchResult
-	{
-		public bool ThereIs;
-		public bool WithMinus;
-		public ArrayList PostStrings = new ArrayList();
-		public int PostCharIndex;
-		public SwitchResult()
-		{
-			ThereIs = false;
-		}
-	}
-
-	public class Parser
-	{
-		public ArrayList NonSwitchStrings = new ArrayList();
-		SwitchResult[] _switches;
-
-		public Parser(int numSwitches)
-		{
-			_switches = new SwitchResult[numSwitches];
-			for (int i = 0; i < numSwitches; i++)
-				_switches[i] = new SwitchResult();
-		}
-
-		bool ParseString(string srcString, SwitchForm[] switchForms)
-		{
-			int len = srcString.Length;
-			if (len == 0)
-				return false;
-			int pos = 0;
-			if (!IsItSwitchChar(srcString[pos]))
-				return false;
-			while (pos < len)
-			{
-				if (IsItSwitchChar(srcString[pos]))
-					pos++;
-				const int kNoLen = -1;
-				int matchedSwitchIndex = 0;
-				int maxLen = kNoLen;
-				for (int switchIndex = 0; switchIndex < _switches.Length; switchIndex++)
-				{
-					int switchLen = switchForms[switchIndex].IDString.Length;
-					if (switchLen <= maxLen || pos + switchLen > len)
-						continue;
-					if (String.Compare(switchForms[switchIndex].IDString, 0,
-							srcString, pos, switchLen, true) == 0)
-					{
-						matchedSwitchIndex = switchIndex;
-						maxLen = switchLen;
-					}
-				}
-				if (maxLen == kNoLen)
-					throw new Exception("maxLen == kNoLen");
-				SwitchResult matchedSwitch = _switches[matchedSwitchIndex];
-				SwitchForm switchForm = switchForms[matchedSwitchIndex];
-				if ((!switchForm.Multi) && matchedSwitch.ThereIs)
-					throw new Exception("switch must be single");
-				matchedSwitch.ThereIs = true;
-				pos += maxLen;
-				int tailSize = len - pos;
-				SwitchType type = switchForm.Type;
-				switch (type)
-				{
-					case SwitchType.PostMinus:
-						{
-							if (tailSize == 0)
-								matchedSwitch.WithMinus = false;
-							else
-							{
-								matchedSwitch.WithMinus = (srcString[pos] == kSwitchMinus);
-								if (matchedSwitch.WithMinus)
-									pos++;
-							}
-							break;
-						}
-					case SwitchType.PostChar:
-						{
-							if (tailSize < switchForm.MinLen)
-								throw new Exception("switch is not full");
-							string charSet = switchForm.PostCharSet;
-							const int kEmptyCharValue = -1;
-							if (tailSize == 0)
-								matchedSwitch.PostCharIndex = kEmptyCharValue;
-							else
-							{
-								int index = charSet.IndexOf(srcString[pos]);
-								if (index < 0)
-									matchedSwitch.PostCharIndex = kEmptyCharValue;
-								else
-								{
-									matchedSwitch.PostCharIndex = index;
-									pos++;
-								}
-							}
-							break;
-						}
-					case SwitchType.LimitedPostString:
-					case SwitchType.UnLimitedPostString:
-						{
-							int minLen = switchForm.MinLen;
-							if (tailSize < minLen)
-								throw new Exception("switch is not full");
-							if (type == SwitchType.UnLimitedPostString)
-							{
-								matchedSwitch.PostStrings.Add(srcString.Substring(pos));
-								return true;
-							}
-							String stringSwitch = srcString.Substring(pos, minLen);
-							pos += minLen;
-							for (int i = minLen; i < switchForm.MaxLen && pos < len; i++, pos++)
-							{
-								char c = srcString[pos];
-								if (IsItSwitchChar(c))
-									break;
-								stringSwitch += c;
-							}
-							matchedSwitch.PostStrings.Add(stringSwitch);
-							break;
-						}
-				}
-			}
-			return true;
-
-		}
-
-		public void ParseStrings(SwitchForm[] switchForms, string[] commandStrings)
-		{
-			int numCommandStrings = commandStrings.Length;
-			bool stopSwitch = false;
-			for (int i = 0; i < numCommandStrings; i++)
-			{
-				string s = commandStrings[i];
-				if (stopSwitch)
-					NonSwitchStrings.Add(s);
-				else
-					if (s == kStopSwitchParsing)
-					stopSwitch = true;
-				else
-					if (!ParseString(s, switchForms))
-					NonSwitchStrings.Add(s);
-			}
-		}
-
-		public SwitchResult this[int index] { get { return _switches[index]; } }
-
-		public static int ParseCommand(CommandForm[] commandForms, string commandString,
-			out string postString)
-		{
-			for (int i = 0; i < commandForms.Length; i++)
-			{
-				string id = commandForms[i].IDString;
-				if (commandForms[i].PostStringMode)
-				{
-					if (commandString.IndexOf(id) == 0)
-					{
-						postString = commandString.Substring(id.Length);
-						return i;
-					}
-				}
-				else
-					if (commandString == id)
-				{
-					postString = "";
-					return i;
-				}
-			}
-			postString = "";
-			return -1;
-		}
-
-		static bool ParseSubCharsCommand(int numForms, CommandSubCharsSet[] forms,
-			string commandString, ArrayList indices)
-		{
-			indices.Clear();
-			int numUsedChars = 0;
-			for (int i = 0; i < numForms; i++)
-			{
-				CommandSubCharsSet charsSet = forms[i];
-				int currentIndex = -1;
-				int len = charsSet.Chars.Length;
-				for (int j = 0; j < len; j++)
-				{
-					char c = charsSet.Chars[j];
-					int newIndex = commandString.IndexOf(c);
-					if (newIndex >= 0)
-					{
-						if (currentIndex >= 0)
-							return false;
-						if (commandString.IndexOf(c, newIndex + 1) >= 0)
-							return false;
-						currentIndex = j;
-						numUsedChars++;
-					}
-				}
-				if (currentIndex == -1 && !charsSet.EmptyAllowed)
-					return false;
-				indices.Add(currentIndex);
-			}
-			return (numUsedChars == commandString.Length);
-		}
-		const char kSwitchID1 = '-';
-		const char kSwitchID2 = '/';
-
-		const char kSwitchMinus = '-';
-		const string kStopSwitchParsing = "--";
-
-		static bool IsItSwitchChar(char c)
-		{
-			return (c == kSwitchID1 || c == kSwitchID2);
-		}
-	}
-
-	public class CommandForm
-	{
-		public string IDString = "";
-		public bool PostStringMode = false;
-		public CommandForm(string idString, bool postStringMode)
-		{
-			IDString = idString;
-			PostStringMode = postStringMode;
-		}
-	}
-
-	class CommandSubCharsSet
-	{
-		public string Chars = "";
-		public bool EmptyAllowed = false;
-	}
-}