156 lines
4.5 KiB
C
156 lines
4.5 KiB
C
/*
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* Copyright 2009, Ingo Weinhold, ingo_weinhold@gmx.de.
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* Distributed under the terms of the MIT License.
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*/
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#ifndef _HAIKU_PACKAGE_H
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#define _HAIKU_PACKAGE_H
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#include <SupportDefs.h>
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// header
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struct hpkg_header {
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uint32 magic; // "hpkg"
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uint16 header_size;
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uint16 version;
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uint64 total_size;
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// package attributes section
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uint32 attributes_compression;
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uint32 attributes_length_compressed;
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uint32 attributes_length_uncompressed;
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// TOC section
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uint32 toc_compression;
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uint64 toc_length_compressed;
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uint64 toc_length_uncompressed;
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uint64 toc_attribute_types_length;
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uint64 toc_attribute_types_count;
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uint64 toc_strings_length;
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uint64 toc_strings_count;
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};
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// magic, version
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enum {
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B_HPKG_MAGIC = 'hpkg',
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B_HPKG_VERSION = 1
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};
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// compression types
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enum {
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B_HPKG_COMPRESSION_NONE = 0,
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B_HPKG_COMPRESSION_ZLIB = 1
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};
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// attribute types
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enum {
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// types
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B_HPKG_ATTRIBUTE_TYPE_INVALID = 0,
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B_HPKG_ATTRIBUTE_TYPE_INT = 1,
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B_HPKG_ATTRIBUTE_TYPE_UINT = 2,
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B_HPKG_ATTRIBUTE_TYPE_STRING = 3,
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B_HPKG_ATTRIBUTE_TYPE_RAW = 4
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};
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// attribute encodings
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enum {
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// signed/unsigned int encodings
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B_HPKG_ATTRIBUTE_ENCODING_INT_8_BIT = 0,
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B_HPKG_ATTRIBUTE_ENCODING_INT_16_BIT = 1,
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B_HPKG_ATTRIBUTE_ENCODING_INT_32_BIT = 2,
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B_HPKG_ATTRIBUTE_ENCODING_INT_64_BIT = 3,
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// string encodings
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B_HPKG_ATTRIBUTE_ENCODING_STRING_INLINE = 0,
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// null-terminated string
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B_HPKG_ATTRIBUTE_ENCODING_STRING_TABLE = 1,
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// unsigned LEB128 index into string table
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// raw data encodings
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B_HPKG_ATTRIBUTE_ENCODING_RAW_INLINE = 0,
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// unsigned LEB128 size, raw bytes
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B_HPKG_ATTRIBUTE_ENCODING_RAW_HEAP = 1
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// unsigned LEB128 size, unsigned LEB128 offset into the heap
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};
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// attribute tag arithmetics
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#define B_HPKG_ATTRIBUTE_TAG_COMPOSE(index, encoding, hasChildren) \
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(((uint64(index) << 3) | uint64(encoding) << 1 \
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| ((hasChildren) ? 1 : 0)) + 1)
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#define B_HPKG_ATTRIBUTE_TAG_INDEX(tag) (uint64((tag) - 1) >> 3)
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#define B_HPKG_ATTRIBUTE_TAG_ENCODING(tag) ((uint64((tag) - 1) >> 1) & 0x3)
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#define B_HPKG_ATTRIBUTE_TAG_HAS_CHILDREN(tag) ((uint64((tag) - 1) & 0x1) != 0)
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// standard attribute names
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#define B_HPKG_ATTRIBUTE_NAME_DIRECTORY_ENTRY "dir:entry"
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// path/entry name (string)
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#define B_HPKG_ATTRIBUTE_NAME_FILE_TYPE "file:type"
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// file type (uint)
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#define B_HPKG_ATTRIBUTE_NAME_FILE_PERMISSIONS "file:permissions"
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// file permissions (uint)
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#define B_HPKG_ATTRIBUTE_NAME_FILE_USER "file:user"
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// file user (string)
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#define B_HPKG_ATTRIBUTE_NAME_FILE_GROUP "file:group"
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// file group (string)
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#define B_HPKG_ATTRIBUTE_NAME_FILE_ATIME "file:atime"
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// file access time in seconds (uint)
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#define B_HPKG_ATTRIBUTE_NAME_FILE_MTIME "file:mtime"
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// file modification time in seconds (uint)
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#define B_HPKG_ATTRIBUTE_NAME_FILE_CRTIME "file:crtime"
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// file creation time in seconds (uint)
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#define B_HPKG_ATTRIBUTE_NAME_FILE_ATIME_NANOS "file:atime:nanos"
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// file access time nanoseconds fraction (uint)
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#define B_HPKG_ATTRIBUTE_NAME_FILE_MTIME_NANOS "file:mtime:nanos"
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// file modification time nanoseconds fraction (uint)
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#define B_HPKG_ATTRIBUTE_NAME_FILE_CRTIM_NANOS "file:crtime:nanos"
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// file creation time nanoseconds fraction (uint)
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#define B_HPKG_ATTRIBUTE_NAME_FILE_ATTRIBUTE "file:attribute"
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// file attribute (string)
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#define B_HPKG_ATTRIBUTE_NAME_FILE_ATTRIBUTE_TYPE "file:attribute:type"
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// file attribute type (uint)
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#define B_HPKG_ATTRIBUTE_NAME_DATA "data"
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// (file/attribute) data (raw)
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#define B_HPKG_ATTRIBUTE_NAME_DATA_COMPRESSION "data:compression"
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// (file/attribute) data compression (uint, default: none)
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#define B_HPKG_ATTRIBUTE_NAME_DATA_SIZE "data:size"
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// (file/attribute) uncompressed data size (uint)
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#define B_HPKG_ATTRIBUTE_NAME_DATA_CHUNK_SIZE "data:chunk_size"
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// the size of compressed (file/attribute) data chunks (uint)
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#define B_HPKG_ATTRIBUTE_NAME_SYMLINK_PATH "symlink:path"
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// symlink path (string)
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// file types (B_HPKG_ATTRIBUTE_NAME_FILE_TYPE)
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enum {
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B_HPKG_FILE_TYPE_FILE = 0,
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B_HPKG_FILE_TYPE_DIRECTORY = 1,
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B_HPKG_FILE_TYPE_SYMLINK = 2
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};
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// maximum number of bytes of data to be encoded inline; more will be allocated
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// on the heap
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#define B_HPKG_MAX_INLINE_DATA_SIZE 8
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// default values
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enum {
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B_HPKG_DEFAULT_FILE_TYPE = B_HPKG_FILE_TYPE_FILE,
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B_HPKG_DEFAULT_FILE_PERMISSIONS = 0644,
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B_HPKG_DEFAULT_DIRECTORY_PERMISSIONS = 0755,
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B_HPKG_DEFAULT_SYMLINK_PERMISSIONS = 0777,
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B_HPKG_DEFAULT_DATA_COMPRESSION = B_HPKG_COMPRESSION_NONE,
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B_HPKG_DEFAULT_DATA_CHUNK_SIZE_ZLIB = 64 * 1024
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};
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#endif // _HAIKU_PACKAGE_H
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