haiku/headers/private/package/hpkg/v1/HPKGDefsPrivate.h
Ingo Weinhold 7575abbca2 Clone read support functionality for HPKG format version 1
It uses sub-namespace BPackage::BHPKG::V1. Unlike the one for the
current format version, the V1 version of BPackageInfoContentHandler
lives in BHPKG(::V1) sub-namespace and is private.
2013-05-25 01:12:22 +02:00

116 lines
2.1 KiB
C++

/*
* Copyright 2009, Ingo Weinhold, ingo_weinhold@gmx.de.
* Distributed under the terms of the MIT License.
*/
#ifndef _PACKAGE__HPKG__V1__PRIVATE__HAIKU_PACKAGE_H_
#define _PACKAGE__HPKG__V1__PRIVATE__HAIKU_PACKAGE_H_
#include <SupportDefs.h>
#include <package/hpkg/HPKGDefs.h>
namespace BPackageKit {
namespace BHPKG {
namespace V1 {
namespace BPrivate {
// header
struct hpkg_header {
uint32 magic; // "hpkg"
uint16 header_size;
uint16 version;
uint64 total_size;
// package attributes section
uint32 attributes_compression;
uint32 attributes_length_compressed;
uint32 attributes_length_uncompressed;
uint32 attributes_strings_length;
uint32 attributes_strings_count;
// TOC section
uint32 toc_compression;
uint64 toc_length_compressed;
uint64 toc_length_uncompressed;
uint64 toc_strings_length;
uint64 toc_strings_count;
};
// header
struct hpkg_repo_header {
uint32 magic; // "hpkr"
uint16 header_size;
uint16 version;
uint64 total_size;
// repository info section
uint32 info_compression;
uint32 info_length_compressed;
uint32 info_length_uncompressed;
// package attributes section
uint32 packages_compression;
uint64 packages_length_compressed;
uint64 packages_length_uncompressed;
uint64 packages_strings_length;
uint64 packages_strings_count;
};
// attribute tag arithmetics
// (using 6 bits for id, 3 for type, 1 for hasChildren and 2 for encoding)
static inline uint16
compose_attribute_tag(uint16 id, uint16 type, uint16 encoding, bool hasChildren)
{
return ((encoding << 10) | (uint16(hasChildren ? 1 : 0) << 9) | (type << 6)
| id)
+ 1;
}
static inline uint16
attribute_tag_encoding(uint16 tag)
{
return ((tag - 1) >> 10) & 0x3;
}
static inline bool
attribute_tag_has_children(uint16 tag)
{
return (((tag - 1) >> 9) & 0x1) != 0;
}
static inline uint16
attribute_tag_type(uint16 tag)
{
return ((tag - 1) >> 6) & 0x7;
}
static inline uint16
attribute_tag_id(uint16 tag)
{
return (tag - 1) & 0x3f;
}
} // namespace BPrivate
} // namespace V1
} // namespace BHPKG
} // namespace BPackageKit
#endif // _PACKAGE__HPKG__V1__PRIVATE__HAIKU_PACKAGE_H_