headers/os/package/hpkg/PackageContentHandler.h

   1 /*
   2  * Copyright 2009,2011, Haiku, Inc.
   3  * Distributed under the terms of the MIT License.
   4  */
   5 #ifndef _PACKAGE__HPKG__PACKAGE_CONTENT_HANDLER_H_
   6 #define _PACKAGE__HPKG__PACKAGE_CONTENT_HANDLER_H_
   7
   8
   9 #include <SupportDefs.h>
  10
  11 #include <package/hpkg/HPKGDefs.h>
  12
  13
  14 namespace BPackageKit {
  15
  16 namespace BHPKG {
  17
  18
  19 struct BPackageAttributeValue;
  20 class BPackageEntry;
  21 class BPackageEntryAttribute;
  22 struct BPackageInfoAttributeValue;
  23
  24
  25 class BLowLevelPackageContentHandler {
  26 public:
  27         virtual                                         ~BLowLevelPackageContentHandler();
  28
  29         virtual status_t                        HandleSectionStart(
  30                                                                         BHPKGPackageSectionID sectionID,
  31                                                                         bool& _handleSection) = 0;
  32         virtual status_t                        HandleSectionEnd(
  33                                                                         BHPKGPackageSectionID sectionID) = 0;
  34
  35         virtual status_t                        HandleAttribute(BHPKGAttributeID attributeID,
  36                                                                         const BPackageAttributeValue& value,
  37                                                                         void* parentToken, void*& _token) = 0;
  38         virtual status_t                        HandleAttributeDone(
  39                                                                         BHPKGAttributeID attributeID,
  40                                                                         const BPackageAttributeValue& value,
  41                                                                         void* parentToken, void* token) = 0;
  42
  43         virtual void                            HandleErrorOccurred() = 0;
  44
  45 protected:
  46         static  const char*                     AttributeNameForID(uint8 id);
  47 };
  48
  49
  50 class BPackageContentHandler {
  51 public:
  52         virtual                                         ~BPackageContentHandler();
  53
  54         virtual status_t                        HandleEntry(BPackageEntry* entry) = 0;
  55         virtual status_t                        HandleEntryAttribute(BPackageEntry* entry,
  56                                                                         BPackageEntryAttribute* attribute) = 0;
  57         virtual status_t                        HandleEntryDone(BPackageEntry* entry) = 0;
  58
  59         virtual status_t                        HandlePackageAttribute(
  60                                                                         const BPackageInfoAttributeValue& value
  61                                                                         ) = 0;
  62
  63         virtual void                            HandleErrorOccurred() = 0;
  64 };
  65
  66
  67 }       // namespace BHPKG
  68
  69 }       // namespace BPackageKit
  70
  71
  72 #endif  // _PACKAGE__HPKG__PACKAGE_CONTENT_HANDLER_H_