From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 21:33:14 +0200 Subject: Adding upstream version 115.7.0esr. Signed-off-by: Daniel Baumann --- .../7zstub/src/CS/7zip/Common/CommandLineParser.cs | 274 +++++++++++++++++++++ 1 file changed, 274 insertions(+) create mode 100644 other-licenses/7zstub/src/CS/7zip/Common/CommandLineParser.cs (limited to 'other-licenses/7zstub/src/CS/7zip/Common/CommandLineParser.cs') diff --git a/other-licenses/7zstub/src/CS/7zip/Common/CommandLineParser.cs b/other-licenses/7zstub/src/CS/7zip/Common/CommandLineParser.cs new file mode 100644 index 0000000000..b46f6f2095 --- /dev/null +++ b/other-licenses/7zstub/src/CS/7zip/Common/CommandLineParser.cs @@ -0,0 +1,274 @@ +// 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; + } +} -- cgit v1.2.3