src/system/boot/loader/package_support.h

   1 /*
   2  * Copyright 2014, Ingo Weinhold, ingo_weinhold@gmx.de.
   3  * Distributed under the terms of the MIT License.
   4  */
   5 #ifndef PACKAGE_SUPPORT_H
   6 #define PACKAGE_SUPPORT_H
   7
   8
   9 #include <dirent.h>
  10
  11 #include <Referenceable.h>
  12 #include <util/DoublyLinkedList.h>
  13
  14
  15 class Directory;
  16
  17
  18 class PackageVolumeState : public DoublyLinkedListLinkImpl<PackageVolumeState> {
  19 public:
  20                                                                 PackageVolumeState();
  21                                                                 ~PackageVolumeState();
  22
  23                         status_t                        SetTo(const char* stateName);
  24                         void                            Unset();
  25
  26                         const char*                     Name() const
  27                                                                         { return fName; }
  28                         const char*                     DisplayName() const;
  29
  30                         const char*                     SystemPackage() const
  31                                                                         { return fSystemPackage; }
  32                         status_t                        SetSystemPackage(const char* package);
  33
  34                         void                            GetPackagePath(const char* name, char* path,
  35                                                                         size_t pathSize);
  36
  37         static  bool                            IsNewer(const PackageVolumeState* a,
  38                                                                         const PackageVolumeState* b);
  39
  40 private:
  41                         char*                           fName;
  42                         char*                           fDisplayName;
  43                         char*                           fSystemPackage;
  44 };
  45
  46 typedef DoublyLinkedList<PackageVolumeState> PackageVolumeStateList;
  47
  48
  49 class PackageVolumeInfo : public BReferenceable {
  50 public:
  51                         typedef PackageVolumeStateList StateList;
  52
  53 public:
  54                                                                 PackageVolumeInfo();
  55                                                                 ~PackageVolumeInfo();
  56
  57                         status_t                        SetTo(Directory* baseDirectory,
  58                                                                         const char* packagesPath);
  59
  60                         const StateList&        States() const
  61                                                                         { return fStates; }
  62
  63 private:
  64                         PackageVolumeState*     _AddState(const char* stateName);
  65                         status_t                        _InitState(Directory* packagesDirectory,
  66                                                                         DIR* dir, PackageVolumeState* state);
  67                         status_t                        _ParseActivatedPackagesFile(
  68                                                                         Directory* packagesDirectory,
  69                                                                         PackageVolumeState* state,
  70                                                                         char* packageName, size_t packageNameSize);
  71
  72 private:
  73                         StateList                       fStates;
  74 };
  75
  76
  77 #endif  // PACKAGE_SUPPORT_H