X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/b2e465d6d32d2dc884f58b94acb7e35f671a87fe..be9b62f76406cf2546d21f3ca27587ee20e0fc37:/apt-pkg/versionmatch.cc?ds=sidebyside diff --git a/apt-pkg/versionmatch.cc b/apt-pkg/versionmatch.cc index 45cdb117e..c40b1fdbc 100644 --- a/apt-pkg/versionmatch.cc +++ b/apt-pkg/versionmatch.cc @@ -1,6 +1,6 @@ // -*- mode: cpp; mode: fold -*- // Description /*{{{*/ -// $Id: versionmatch.cc,v 1.2 2001/02/20 07:03:17 jgg Exp $ +// $Id: versionmatch.cc,v 1.9 2003/05/19 17:58:26 doogie Exp $ /* ###################################################################### Version Matching @@ -11,15 +11,17 @@ ##################################################################### */ /*}}}*/ // Include Files /*{{{*/ -#ifdef __GNUG__ -#pragma implementation "apt-pkg/versionmatch.h" -#endif #include #include #include #include +#include +#include +#include +#include + /*}}}*/ // VersionMatch::pkgVersionMatch - Constructor /*{{{*/ @@ -27,6 +29,10 @@ /* Break up the data string according to the selected type */ pkgVersionMatch::pkgVersionMatch(string Data,MatchType Type) : Type(Type) { + MatchAll = false; + VerPrefixMatch = false; + RelVerPrefixMatch = false; + if (Type == None || Data.length() < 1) return; @@ -36,7 +42,7 @@ pkgVersionMatch::pkgVersionMatch(string Data,MatchType Type) : Type(Type) if (Data.end()[-1] == '*') { VerPrefixMatch = true; - VerStr = string(Data.begin(),Data.end()-1); + VerStr = string(Data,0,Data.length()-1); } else VerStr = Data; @@ -47,20 +53,23 @@ pkgVersionMatch::pkgVersionMatch(string Data,MatchType Type) : Type(Type) { // All empty = match all if (Data == "*") + { + MatchAll = true; return; + } // Are we a simple specification? - const char *I = Data.begin(); - for (; I < Data.end() && *I != '='; I++); + string::const_iterator I = Data.begin(); + for (; I != Data.end() && *I != '='; I++); if (I == Data.end()) { // Temporary if (isdigit(Data[0])) RelVerStr = Data; else - RelArchive = Data; - - if (RelVerStr.end()[-1] == '*') + RelRelease = Data; + + if (RelVerStr.length() > 0 && RelVerStr.end()[-1] == '*') { RelVerPrefixMatch = true; RelVerStr = string(RelVerStr.begin(),RelVerStr.end()-1); @@ -82,19 +91,23 @@ pkgVersionMatch::pkgVersionMatch(string Data,MatchType Type) : Type(Type) { if (strlen(Fragments[J]) < 3) continue; - + if (stringcasecmp(Fragments[J],Fragments[J]+2,"v=") == 0) RelVerStr = Fragments[J]+2; else if (stringcasecmp(Fragments[J],Fragments[J]+2,"o=") == 0) RelOrigin = Fragments[J]+2; else if (stringcasecmp(Fragments[J],Fragments[J]+2,"a=") == 0) RelArchive = Fragments[J]+2; + else if (stringcasecmp(Fragments[J],Fragments[J]+2,"n=") == 0) + RelCodename = Fragments[J]+2; else if (stringcasecmp(Fragments[J],Fragments[J]+2,"l=") == 0) RelLabel = Fragments[J]+2; else if (stringcasecmp(Fragments[J],Fragments[J]+2,"c=") == 0) RelComponent = Fragments[J]+2; + else if (stringcasecmp(Fragments[J],Fragments[J]+2,"b=") == 0) + RelArchitecture = Fragments[J]+2; } - + if (RelVerStr.end()[-1] == '*') { RelVerPrefixMatch = true; @@ -105,7 +118,10 @@ pkgVersionMatch::pkgVersionMatch(string Data,MatchType Type) : Type(Type) if (Type == Origin) { - OrSite = Data; + if (Data[0] == '"' && Data.length() >= 2 && Data.end()[-1] == '"') + OrSite = Data.substr(1, Data.length() - 2); + else + OrSite = Data; return; } } @@ -119,13 +135,12 @@ bool pkgVersionMatch::MatchVer(const char *A,string B,bool Prefix) const char *Ae = Ab + strlen(A); // Strings are not a compatible size. - if ((unsigned)(Ae - Ab) != B.length() && Prefix == false || + if (((unsigned)(Ae - Ab) != B.length() && Prefix == false) || (unsigned)(Ae - Ab) < B.length()) return false; // Match (leading?) - if (stringcasecmp(B.begin(),B.end(), - Ab,Ab + B.length()) == 0) + if (stringcasecmp(B,Ab,Ab + B.length()) == 0) return true; return false; @@ -143,6 +158,8 @@ pkgCache::VerIterator pkgVersionMatch::Find(pkgCache::PkgIterator Pkg) { if (MatchVer(Ver.VerStr(),VerStr,VerPrefixMatch) == true) return Ver; + if (ExpressionMatches(VerStr, Ver.VerStr()) == true) + return Ver; continue; } @@ -154,6 +171,36 @@ pkgCache::VerIterator pkgVersionMatch::Find(pkgCache::PkgIterator Pkg) // This will be Ended by now. return Ver; } + +#ifndef FNM_CASEFOLD +#define FNM_CASEFOLD 0 +#endif + +bool pkgVersionMatch::ExpressionMatches(const char *pattern, const char *string) +{ + if (pattern[0] == '/') { + bool res = false; + size_t length = strlen(pattern); + if (pattern[length - 1] == '/') { + regex_t preg; + char *regex = strdup(pattern + 1); + regex[length - 2] = '\0'; + if (regcomp(&preg, regex, REG_EXTENDED | REG_ICASE) != 0) { + _error->Warning("Invalid regular expression: %s", regex); + } else if (regexec(&preg, string, 0, NULL, 0) == 0) { + res = true; + } + free(regex); + regfree(&preg); + return res; + } + } + return fnmatch(pattern, string, FNM_CASEFOLD) == 0; +} +bool pkgVersionMatch::ExpressionMatches(const std::string& pattern, const char *string) +{ + return ExpressionMatches(pattern.c_str(), string); +} /*}}}*/ // VersionMatch::FileMatch - Match against an index file /*{{{*/ // --------------------------------------------------------------------- @@ -163,48 +210,66 @@ bool pkgVersionMatch::FileMatch(pkgCache::PkgFileIterator File) { if (Type == Release) { + if (MatchAll == true) + return true; + /* cout << RelVerStr << ',' << RelOrigin << ',' << RelArchive << ',' << RelLabel << endl; - cout << File.Version() << ',' << File.Origin() << ',' << File.Archive() << ',' << File.Label() << endl; -*/ + cout << File.Version() << ',' << File.Origin() << ',' << File.Archive() << ',' << File.Label() << endl;*/ + if (RelVerStr.empty() == true && RelOrigin.empty() == true && RelArchive.empty() == true && RelLabel.empty() == true && - RelComponent.empty() == true) + RelRelease.empty() == true && RelCodename.empty() == true && + RelComponent.empty() == true && RelArchitecture.empty() == true) return false; - + if (RelVerStr.empty() == false) if (File->Version == 0 || - MatchVer(File.Version(),RelVerStr,RelVerPrefixMatch) == false) + (MatchVer(File.Version(),RelVerStr,RelVerPrefixMatch) == false && + ExpressionMatches(RelVerStr, File.Version()) == false)) return false; if (RelOrigin.empty() == false) - if (File->Origin == 0 || - stringcasecmp(RelOrigin,File.Origin()) != 0) + if (File->Origin == 0 || !ExpressionMatches(RelOrigin,File.Origin())) return false; if (RelArchive.empty() == false) - { - if (File->Archive == 0 || - stringcasecmp(RelArchive,File.Archive()) != 0) - return false; - } + if (File->Archive == 0 || + !ExpressionMatches(RelArchive,File.Archive())) + return false; + if (RelCodename.empty() == false) + if (File->Codename == 0 || + !ExpressionMatches(RelCodename,File.Codename())) + return false; + if (RelRelease.empty() == false) + if ((File->Archive == 0 || + !ExpressionMatches(RelRelease,File.Archive())) && + (File->Codename == 0 || + !ExpressionMatches(RelRelease,File.Codename()))) + return false; if (RelLabel.empty() == false) if (File->Label == 0 || - stringcasecmp(RelLabel,File.Label()) != 0) + !ExpressionMatches(RelLabel,File.Label())) return false; if (RelComponent.empty() == false) if (File->Component == 0 || - stringcasecmp(RelLabel,File.Component()) != 0) + !ExpressionMatches(RelComponent,File.Component())) + return false; + if (RelArchitecture.empty() == false) + if (File->Architecture == 0 || + !ExpressionMatches(RelArchitecture,File.Architecture())) return false; return true; } - + if (Type == Origin) { - if (OrSite.empty() == false) - if (File->Site == 0 || - OrSite != File.Site()) + if (OrSite.empty() == false) { + if (File->Site == 0) return false; - return true; + } else // so we are talking about file:// or status file + if (strcmp(File.Site(),"") == 0 && File->Archive != 0 && strcmp(File.Archive(),"now") == 0) // skip the status file + return false; + return (ExpressionMatches(OrSite, File.Site())); /* both strings match */ } - + return false; } /*}}}*/