From f74018c19970d11a7ba0c89e581cb9f86c0d3c14 Mon Sep 17 00:00:00 2001 From: Runxi Yu Date: Thu, 12 Mar 2026 10:01:32 +0800 Subject: packfile: Split to many files --- packfile/entry.go | 45 --------------------------------------------- 1 file changed, 45 deletions(-) (limited to 'packfile/entry.go') diff --git a/packfile/entry.go b/packfile/entry.go index 50c5e73b..158cf9ce 100644 --- a/packfile/entry.go +++ b/packfile/entry.go @@ -6,51 +6,6 @@ import ( "codeberg.org/lindenii/furgit/objecttype" ) -// EntryHeader is one parsed pack entry header prefix. -type EntryHeader struct { - // Type is the entry type tag from the first header byte. - Type objecttype.Type - // Size is the declared resulting object size. - Size int64 - // HeaderSize is the number of bytes consumed by the type/size header. - HeaderSize int -} - -// ParseEntryHeader parses one pack entry type/size header from data. -func ParseEntryHeader(data []byte) (EntryHeader, error) { - var zero EntryHeader - if len(data) == 0 { - return zero, fmt.Errorf("packfile: truncated entry header") - } - - first := data[0] - header := EntryHeader{ - Type: objecttype.Type((first >> 4) & 0x07), - Size: int64(first & 0x0f), - HeaderSize: 1, - } - - shift := uint(4) - - b := first - for b&0x80 != 0 { - if header.HeaderSize >= len(data) { - return zero, fmt.Errorf("packfile: truncated entry header") - } - - b = data[header.HeaderSize] - header.HeaderSize++ - header.Size |= int64(b&0x7f) << shift - shift += 7 - } - - if header.Size < 0 { - return zero, fmt.Errorf("packfile: negative entry size") - } - - return header, nil -} - // Entry is one parsed pack entry prefix, including any delta base reference // data that appears before the compressed payload. type Entry struct { -- cgit v1.3.1-10-gc9f91