1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/other-licenses/7zstub/src/Common/CommandLineParser.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,232 @@
1.4 +// CommandLineParser.cpp
1.5 +
1.6 +#include "StdAfx.h"
1.7 +
1.8 +#include "CommandLineParser.h"
1.9 +
1.10 +namespace NCommandLineParser {
1.11 +
1.12 +void SplitCommandLine(const UString &src, UString &dest1, UString &dest2)
1.13 +{
1.14 + dest1.Empty();
1.15 + dest2.Empty();
1.16 + bool quoteMode = false;
1.17 + int i;
1.18 + for (i = 0; i < src.Length(); i++)
1.19 + {
1.20 + wchar_t c = src[i];
1.21 + if (c == L'\"')
1.22 + quoteMode = !quoteMode;
1.23 + else if (c == L' ' && !quoteMode)
1.24 + {
1.25 + i++;
1.26 + break;
1.27 + }
1.28 + else
1.29 + dest1 += c;
1.30 + }
1.31 + dest2 = src.Mid(i);
1.32 +}
1.33 +
1.34 +void SplitCommandLine(const UString &s, UStringVector &parts)
1.35 +{
1.36 + UString sTemp = s;
1.37 + sTemp.Trim();
1.38 + parts.Clear();
1.39 + while (true)
1.40 + {
1.41 + UString s1, s2;
1.42 + SplitCommandLine(sTemp, s1, s2);
1.43 + // s1.Trim();
1.44 + // s2.Trim();
1.45 + if (!s1.IsEmpty())
1.46 + parts.Add(s1);
1.47 + if (s2.IsEmpty())
1.48 + return;
1.49 + sTemp = s2;
1.50 + }
1.51 +}
1.52 +
1.53 +
1.54 +static const wchar_t kSwitchID1 = '-';
1.55 +// static const wchar_t kSwitchID2 = '/';
1.56 +
1.57 +static const wchar_t kSwitchMinus = '-';
1.58 +static const wchar_t *kStopSwitchParsing = L"--";
1.59 +
1.60 +static bool IsItSwitchChar(wchar_t c)
1.61 +{
1.62 + return (c == kSwitchID1 /*|| c == kSwitchID2 */);
1.63 +}
1.64 +
1.65 +CParser::CParser(int numSwitches):
1.66 + _numSwitches(numSwitches)
1.67 +{
1.68 + _switches = new CSwitchResult[_numSwitches];
1.69 +}
1.70 +
1.71 +CParser::~CParser()
1.72 +{
1.73 + delete []_switches;
1.74 +}
1.75 +
1.76 +void CParser::ParseStrings(const CSwitchForm *switchForms,
1.77 + const UStringVector &commandStrings)
1.78 +{
1.79 + int numCommandStrings = commandStrings.Size();
1.80 + bool stopSwitch = false;
1.81 + for (int i = 0; i < numCommandStrings; i++)
1.82 + {
1.83 + const UString &s = commandStrings[i];
1.84 + if (stopSwitch)
1.85 + NonSwitchStrings.Add(s);
1.86 + else
1.87 + if (s == kStopSwitchParsing)
1.88 + stopSwitch = true;
1.89 + else
1.90 + if (!ParseString(s, switchForms))
1.91 + NonSwitchStrings.Add(s);
1.92 + }
1.93 +}
1.94 +
1.95 +// if string contains switch then function updates switch structures
1.96 +// out: (string is a switch)
1.97 +bool CParser::ParseString(const UString &s, const CSwitchForm *switchForms)
1.98 +{
1.99 + int len = s.Length();
1.100 + if (len == 0)
1.101 + return false;
1.102 + int pos = 0;
1.103 + if (!IsItSwitchChar(s[pos]))
1.104 + return false;
1.105 + while(pos < len)
1.106 + {
1.107 + if (IsItSwitchChar(s[pos]))
1.108 + pos++;
1.109 + const int kNoLen = -1;
1.110 + int matchedSwitchIndex = 0; // GCC Warning
1.111 + int maxLen = kNoLen;
1.112 + for(int switchIndex = 0; switchIndex < _numSwitches; switchIndex++)
1.113 + {
1.114 + int switchLen = MyStringLen(switchForms[switchIndex].IDString);
1.115 + if (switchLen <= maxLen || pos + switchLen > len)
1.116 + continue;
1.117 +
1.118 + UString temp = s + pos;
1.119 + temp = temp.Left(switchLen);
1.120 + if(temp.CompareNoCase(switchForms[switchIndex].IDString) == 0)
1.121 + // if(_strnicmp(switchForms[switchIndex].IDString, LPCSTR(s) + pos, switchLen) == 0)
1.122 + {
1.123 + matchedSwitchIndex = switchIndex;
1.124 + maxLen = switchLen;
1.125 + }
1.126 + }
1.127 + if (maxLen == kNoLen)
1.128 + throw "maxLen == kNoLen";
1.129 + CSwitchResult &matchedSwitch = _switches[matchedSwitchIndex];
1.130 + const CSwitchForm &switchForm = switchForms[matchedSwitchIndex];
1.131 + if ((!switchForm.Multi) && matchedSwitch.ThereIs)
1.132 + throw "switch must be single";
1.133 + matchedSwitch.ThereIs = true;
1.134 + pos += maxLen;
1.135 + int tailSize = len - pos;
1.136 + NSwitchType::EEnum type = switchForm.Type;
1.137 + switch(type)
1.138 + {
1.139 + case NSwitchType::kPostMinus:
1.140 + {
1.141 + if (tailSize == 0)
1.142 + matchedSwitch.WithMinus = false;
1.143 + else
1.144 + {
1.145 + matchedSwitch.WithMinus = (s[pos] == kSwitchMinus);
1.146 + if (matchedSwitch.WithMinus)
1.147 + pos++;
1.148 + }
1.149 + break;
1.150 + }
1.151 + case NSwitchType::kPostChar:
1.152 + {
1.153 + if (tailSize < switchForm.MinLen)
1.154 + throw "switch is not full";
1.155 + UString set = switchForm.PostCharSet;
1.156 + const int kEmptyCharValue = -1;
1.157 + if (tailSize == 0)
1.158 + matchedSwitch.PostCharIndex = kEmptyCharValue;
1.159 + else
1.160 + {
1.161 + int index = set.Find(s[pos]);
1.162 + if (index < 0)
1.163 + matchedSwitch.PostCharIndex = kEmptyCharValue;
1.164 + else
1.165 + {
1.166 + matchedSwitch.PostCharIndex = index;
1.167 + pos++;
1.168 + }
1.169 + }
1.170 + break;
1.171 + }
1.172 + case NSwitchType::kLimitedPostString:
1.173 + case NSwitchType::kUnLimitedPostString:
1.174 + {
1.175 + int minLen = switchForm.MinLen;
1.176 + if (tailSize < minLen)
1.177 + throw "switch is not full";
1.178 + if (type == NSwitchType::kUnLimitedPostString)
1.179 + {
1.180 + matchedSwitch.PostStrings.Add(s.Mid(pos));
1.181 + return true;
1.182 + }
1.183 + int maxLen = switchForm.MaxLen;
1.184 + UString stringSwitch = s.Mid(pos, minLen);
1.185 + pos += minLen;
1.186 + for(int i = minLen; i < maxLen && pos < len; i++, pos++)
1.187 + {
1.188 + wchar_t c = s[pos];
1.189 + if (IsItSwitchChar(c))
1.190 + break;
1.191 + stringSwitch += c;
1.192 + }
1.193 + matchedSwitch.PostStrings.Add(stringSwitch);
1.194 + break;
1.195 + }
1.196 + case NSwitchType::kSimple:
1.197 + break;
1.198 + }
1.199 + }
1.200 + return true;
1.201 +}
1.202 +
1.203 +const CSwitchResult& CParser::operator[](size_t index) const
1.204 +{
1.205 + return _switches[index];
1.206 +}
1.207 +
1.208 +/////////////////////////////////
1.209 +// Command parsing procedures
1.210 +
1.211 +int ParseCommand(int numCommandForms, const CCommandForm *commandForms,
1.212 + const UString &commandString, UString &postString)
1.213 +{
1.214 + for(int i = 0; i < numCommandForms; i++)
1.215 + {
1.216 + const UString id = commandForms[i].IDString;
1.217 + if (commandForms[i].PostStringMode)
1.218 + {
1.219 + if(commandString.Find(id) == 0)
1.220 + {
1.221 + postString = commandString.Mid(id.Length());
1.222 + return i;
1.223 + }
1.224 + }
1.225 + else
1.226 + if (commandString == id)
1.227 + {
1.228 + postString.Empty();
1.229 + return i;
1.230 + }
1.231 + }
1.232 + return -1;
1.233 +}
1.234 +
1.235 +}
