X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/fb0ee66e0bc8a2ae176d3b10da49fcf31c66b838..7730e095a5be67ea86d012fc8c905449c0ae0b37:/apt-pkg/version.h?ds=sidebyside diff --git a/apt-pkg/version.h b/apt-pkg/version.h index 127519583..49c53a93a 100644 --- a/apt-pkg/version.h +++ b/apt-pkg/version.h @@ -1,30 +1,64 @@ // -*- mode: cpp; mode: fold -*- // Description /*{{{*/ -// $Id: version.h,v 1.5 1999/04/19 06:03:09 jgg Exp $ +// $Id: version.h,v 1.8 2001/05/27 05:55:27 jgg Exp $ /* ###################################################################### - Version - Version comparison routines + Version - Versioning system.. + + The versioning system represents how versions are compared, represented + and how dependencies are evaluated. As a general rule versioning + systems are not compatible unless specifically allowed by the + TestCompatibility query. - These routines provide some means to compare versions and check - dependencies. + The versions are stored in a global list of versions, but that is just + so that they can be queried when someone does 'apt-get -v'. + pkgSystem provides the proper means to access the VS for the active + system. ##################################################################### */ /*}}}*/ -// Header section: pkglib #ifndef PKGLIB_VERSION_H #define PKGLIB_VERSION_H -#ifdef __GNUG__ -#pragma interface "apt-pkg/version.h" -#endif +#include #include -int pkgVersionCompare(const char *A, const char *B); -int pkgVersionCompare(const char *A, const char *AEnd, const char *B, - const char *BEnd); -int pkgVersionCompare(string A,string B); -bool pkgCheckDep(const char *DepVer,const char *PkgVer,int Op); -string pkgBaseVersion(const char *Ver); +using std::string; + +class pkgVersioningSystem +{ + public: + // Global list of VS's + static pkgVersioningSystem **GlobalList; + static unsigned long GlobalListLen; + static pkgVersioningSystem *GetVS(const char *Label); + + const char *Label; + + // Compare versions.. + virtual int DoCmpVersion(const char *A,const char *Aend, + const char *B,const char *Bend) = 0; + + virtual bool CheckDep(const char *PkgVer,int Op,const char *DepVer) = 0; + virtual int DoCmpReleaseVer(const char *A,const char *Aend, + const char *B,const char *Bend) = 0; + virtual string UpstreamVersion(const char *A) = 0; + + // See if the given VS is compatible with this one.. + virtual bool TestCompatibility(pkgVersioningSystem const &Against) + {return this == &Against;}; + + // Shortcuts + APT_MKSTRCMP(CmpVersion,DoCmpVersion); + APT_MKSTRCMP(CmpReleaseVer,DoCmpReleaseVer); + + pkgVersioningSystem(); + virtual ~pkgVersioningSystem() {}; +}; + +#ifdef APT_COMPATIBILITY +#include +#endif #endif