| | 1 | // -*- mode: cpp; mode: fold -*- |
| | 2 | // Description /*{{{*/ |
| | 3 | // $Id: version.h,v 1.8 2001/05/27 05:55:27 jgg Exp $ |
| | 4 | /* ###################################################################### |
| | 5 | |
| | 6 | Version - Versioning system.. |
| | 7 | |
| | 8 | The versioning system represents how versions are compared, represented |
| | 9 | and how dependencies are evaluated. As a general rule versioning |
| | 10 | systems are not compatible unless specifically allowed by the |
| | 11 | TestCompatibility query. |
| | 12 | |
| | 13 | The versions are stored in a global list of versions, but that is just |
| | 14 | so that they can be queried when someone does 'apt-get -v'. |
| | 15 | pkgSystem provides the proper means to access the VS for the active |
| | 16 | system. |
| | 17 | |
| | 18 | ##################################################################### */ |
| | 19 | /*}}}*/ |
| | 20 | #ifndef PKGLIB_VERSION_H |
| | 21 | #define PKGLIB_VERSION_H |
| | 22 | |
| | 23 | #include <apt-pkg/strutl.h> |
| | 24 | #include <string> |
| | 25 | |
| | 26 | #ifndef APT_8_CLEANER_HEADERS |
| | 27 | using std::string; |
| | 28 | #endif |
| | 29 | |
| | 30 | class pkgVersioningSystem |
| | 31 | { |
| | 32 | public: |
| | 33 | // Global list of VS's |
| | 34 | static pkgVersioningSystem **GlobalList; |
| | 35 | static unsigned long GlobalListLen; |
| | 36 | static pkgVersioningSystem *GetVS(const char *Label) APT_PURE; |
| | 37 | |
| | 38 | const char *Label; |
| | 39 | |
| | 40 | // Compare versions.. |
| | 41 | virtual int DoCmpVersion(const char *A,const char *Aend, |
| | 42 | const char *B,const char *Bend) = 0; |
| | 43 | |
| | 44 | virtual bool CheckDep(const char *PkgVer,int Op,const char *DepVer) = 0; |
| | 45 | virtual int DoCmpReleaseVer(const char *A,const char *Aend, |
| | 46 | const char *B,const char *Bend) = 0; |
| | 47 | virtual std::string UpstreamVersion(const char *A) = 0; |
| | 48 | |
| | 49 | // See if the given VS is compatible with this one.. |
| | 50 | virtual bool TestCompatibility(pkgVersioningSystem const &Against) |
| | 51 | {return this == &Against;}; |
| | 52 | |
| | 53 | // Shortcuts |
| | 54 | APT_MKSTRCMP(CmpVersion,DoCmpVersion); |
| | 55 | APT_MKSTRCMP(CmpReleaseVer,DoCmpReleaseVer); |
| | 56 | |
| | 57 | pkgVersioningSystem(); |
| | 58 | virtual ~pkgVersioningSystem() {}; |
| | 59 | }; |
| | 60 | |
| | 61 | #endif |
projects / apt.git / blame_incremental