headers/os/package/hpkg/v1/PackageContentHandler.h

   1 /*
   2  * Copyright 2009,2011, Haiku, Inc.
   3  * Distributed under the terms of the MIT License.
   4  */
   5 #ifndef _PACKAGE__HPKG__V1__PACKAGE_CONTENT_HANDLER_H_
   6 #define _PACKAGE__HPKG__V1__PACKAGE_CONTENT_HANDLER_H_
   7
   8
   9 #include <SupportDefs.h>
  10
  11 #include <package/hpkg/v1/HPKGDefs.h>
  12
  13
  14 namespace BPackageKit {
  15
  16 namespace BHPKG {
  17
  18
  19 struct BPackageInfoAttributeValue;
  20
  21
  22 namespace V1 {
  23
  24
  25 struct BPackageAttributeValue;
  26 class BPackageEntry;
  27 class BPackageEntryAttribute;
  28
  29
  30 class BLowLevelPackageContentHandler {
  31 public:
  32         virtual                                         ~BLowLevelPackageContentHandler();
  33
  34         virtual status_t                        HandleSectionStart(
  35                                                                         BHPKGPackageSectionID sectionID,
  36                                                                         bool& _handleSection) = 0;
  37         virtual status_t                        HandleSectionEnd(
  38                                                                         BHPKGPackageSectionID sectionID) = 0;
  39
  40         virtual status_t                        HandleAttribute(BHPKGAttributeID attributeID,
  41                                                                         const BPackageAttributeValue& value,
  42                                                                         void* parentToken, void*& _token) = 0;
  43         virtual status_t                        HandleAttributeDone(
  44                                                                         BHPKGAttributeID attributeID,
  45                                                                         const BPackageAttributeValue& value,
  46                                                                         void* parentToken, void* token) = 0;
  47
  48         virtual void                            HandleErrorOccurred() = 0;
  49
  50 protected:
  51         static  const char*                     AttributeNameForID(uint8 id);
  52 };
  53
  54
  55 class BPackageContentHandler {
  56 public:
  57         virtual                                         ~BPackageContentHandler();
  58
  59         virtual status_t                        HandleEntry(BPackageEntry* entry) = 0;
  60         virtual status_t                        HandleEntryAttribute(BPackageEntry* entry,
  61                                                                         BPackageEntryAttribute* attribute) = 0;
  62         virtual status_t                        HandleEntryDone(BPackageEntry* entry) = 0;
  63
  64         virtual status_t                        HandlePackageAttribute(
  65                                                                         const BPackageInfoAttributeValue& value
  66                                                                         ) = 0;
  67
  68         virtual void                            HandleErrorOccurred() = 0;
  69 };
  70
  71
  72 }       // namespace V1
  73
  74 }       // namespace BHPKG
  75
  76 }       // namespace BPackageKit
  77
  78
  79 #endif  // _PACKAGE__HPKG__V1__PACKAGE_CONTENT_HANDLER_H_