| 1 | // -*- mode: cpp; mode: fold -*- |
| 2 | // Description /*{{{*/ |
| 3 | // $Id: cachefile.h,v 1.3 1999/06/27 03:18:28 jgg Exp $ |
| 4 | /* ###################################################################### |
| 5 | |
| 6 | CacheFile - Simple wrapper class for opening, generating and whatnot |
| 7 | |
| 8 | This class implements a simple 2 line mechanism to open various sorts |
| 9 | of caches. It can operate as root, as not root, show progress and so on, |
| 10 | it transparently handles everything necessary. |
| 11 | |
| 12 | ##################################################################### */ |
| 13 | /*}}}*/ |
| 14 | #ifndef PKGLIB_CACHEFILE_H |
| 15 | #define PKGLIB_CACHEFILE_H |
| 16 | |
| 17 | #ifdef __GNUG__ |
| 18 | #pragma interface "apt-pkg/cachefile.h" |
| 19 | #endif |
| 20 | |
| 21 | #include <apt-pkg/depcache.h> |
| 22 | #include <apt-pkg/dpkginit.h> |
| 23 | |
| 24 | class pkgCacheFile |
| 25 | { |
| 26 | protected: |
| 27 | |
| 28 | MMap *Map; |
| 29 | pkgDepCache *Cache; |
| 30 | pkgDpkgLock *Lock; |
| 31 | |
| 32 | public: |
| 33 | |
| 34 | // We look pretty much exactly like a pointer to a dep cache |
| 35 | inline operator pkgDepCache &() {return *Cache;}; |
| 36 | inline operator pkgDepCache *() {return Cache;}; |
| 37 | inline pkgDepCache *operator ->() {return Cache;}; |
| 38 | inline pkgDepCache &operator *() {return *Cache;}; |
| 39 | inline pkgDepCache::StateCache &operator [](pkgCache::PkgIterator const &I) {return (*Cache)[I];}; |
| 40 | inline unsigned char &operator [](pkgCache::DepIterator const &I) {return (*Cache)[I];}; |
| 41 | |
| 42 | // Release the dpkg status lock |
| 43 | inline void ReleaseLock() {Lock->Close();}; |
| 44 | |
| 45 | bool Open(OpProgress &Progress,bool WithLock = true); |
| 46 | |
| 47 | pkgCacheFile(); |
| 48 | ~pkgCacheFile(); |
| 49 | }; |
| 50 | |
| 51 | #endif |