--- 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;
- }
-}