| | 1 | // -*- mode: cpp; mode: fold -*- |
| | 2 | // Description /*{{{*/ |
| | 3 | // $Id: pkgsystem.cc,v 1.3 2004/02/27 00:43:16 mdz Exp $ |
| | 4 | /* ###################################################################### |
| | 5 | |
| | 6 | System - Abstraction for running on different systems. |
| | 7 | |
| | 8 | Basic general structure.. |
| | 9 | |
| | 10 | ##################################################################### */ |
| | 11 | /*}}}*/ |
| | 12 | // Include Files /*{{{*/ |
| | 13 | #include<config.h> |
| | 14 | |
| | 15 | #include <apt-pkg/debsystem.h> |
| | 16 | #include <apt-pkg/pkgsystem.h> |
| | 17 | #include <apt-pkg/macros.h> |
| | 18 | |
| | 19 | #include <map> |
| | 20 | #include <cassert> |
| | 21 | #include <cstring> |
| | 22 | /*}}}*/ |
| | 23 | |
| | 24 | pkgSystem *_system = 0; |
| | 25 | static pkgSystem *SysList[10]; |
| | 26 | pkgSystem **pkgSystem::GlobalList = SysList; |
| | 27 | unsigned long pkgSystem::GlobalListLen = 0; |
| | 28 | |
| | 29 | class APT_HIDDEN pkgSystemPrivate /*{{{*/ |
| | 30 | { |
| | 31 | public: |
| | 32 | typedef decltype(pkgCache::Version::ID) idtype; |
| | 33 | std::map<idtype,idtype> idmap; |
| | 34 | pkgSystemPrivate() {} |
| | 35 | }; |
| | 36 | /*}}}*/ |
| | 37 | // System::pkgSystem - Constructor /*{{{*/ |
| | 38 | // --------------------------------------------------------------------- |
| | 39 | /* Add it to the global list.. */ |
| | 40 | pkgSystem::pkgSystem(char const * const label, pkgVersioningSystem * const vs) : |
| | 41 | Label(label), VS(vs), d(new pkgSystemPrivate()) |
| | 42 | { |
| | 43 | assert(GlobalListLen < sizeof(SysList)/sizeof(*SysList)); |
| | 44 | SysList[GlobalListLen] = this; |
| | 45 | ++GlobalListLen; |
| | 46 | } |
| | 47 | /*}}}*/ |
| | 48 | // System::GetSystem - Get the named system /*{{{*/ |
| | 49 | // --------------------------------------------------------------------- |
| | 50 | /* */ |
| | 51 | APT_PURE pkgSystem *pkgSystem::GetSystem(const char *Label) |
| | 52 | { |
| | 53 | for (unsigned I = 0; I != GlobalListLen; I++) |
| | 54 | if (strcmp(SysList[I]->Label,Label) == 0) |
| | 55 | return SysList[I]; |
| | 56 | return 0; |
| | 57 | } |
| | 58 | /*}}}*/ |
| | 59 | bool pkgSystem::MultiArchSupported() const /*{{{*/ |
| | 60 | { |
| | 61 | debSystem const * const deb = dynamic_cast<debSystem const *>(this); |
| | 62 | if (deb != NULL) |
| | 63 | return deb->SupportsMultiArch(); |
| | 64 | return true; |
| | 65 | } |
| | 66 | /*}}}*/ |
| | 67 | std::vector<std::string> pkgSystem::ArchitecturesSupported() const /*{{{*/ |
| | 68 | { |
| | 69 | debSystem const * const deb = dynamic_cast<debSystem const *>(this); |
| | 70 | if (deb != NULL) |
| | 71 | return deb->SupportedArchitectures(); |
| | 72 | return {}; |
| | 73 | } |
| | 74 | /*}}}*/ |
| | 75 | // pkgSystem::Set/GetVersionMapping - for internal/external communcation/*{{{*/ |
| | 76 | void pkgSystem::SetVersionMapping(map_id_t const in, map_id_t const out) |
| | 77 | { |
| | 78 | if (in == out) |
| | 79 | return; |
| | 80 | d->idmap.emplace(in, out); |
| | 81 | } |
| | 82 | map_id_t pkgSystem::GetVersionMapping(map_id_t const in) const |
| | 83 | { |
| | 84 | auto const o = d->idmap.find(in); |
| | 85 | return (o == d->idmap.end()) ? in : o->second; |
| | 86 | } |
| | 87 | /*}}}*/ |
| | 88 | |
| | 89 | pkgSystem::~pkgSystem() {} |
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