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| author | 2026-03-27 09:08:40 +0000 | |
|---|---|---|
| committer | 2026-03-27 09:08:40 +0000 | |
| commit | d7e90798170265b37ea5f980f94ca310cfda3180 (patch) | |
| tree | 89921ca5cb6dd5aaefa3c0ae72352381261cb1e6 /object/storer/packed/entry_parse.go | |
| parent | CONTRIBUTING: Fix submitting changes deadlines (diff) | |
| signature | No signature | |
object/store: Rename from object/storer
Diffstat (limited to 'object/storer/packed/entry_parse.go')
| -rw-r--r-- | object/storer/packed/entry_parse.go | 71 |
1 files changed, 0 insertions, 71 deletions
diff --git a/object/storer/packed/entry_parse.go b/object/storer/packed/entry_parse.go deleted file mode 100644 index ddbae005..00000000 --- a/object/storer/packed/entry_parse.go +++ /dev/null @@ -1,71 +0,0 @@ -package packed - -import ( - "fmt" - - packfmt "codeberg.org/lindenii/furgit/format/packfile" - "codeberg.org/lindenii/furgit/internal/intconv" - objectid "codeberg.org/lindenii/furgit/object/id" - objecttype "codeberg.org/lindenii/furgit/object/type" -) - -// entryMeta describes one parsed pack entry header. -type entryMeta struct { - // ty is the pack entry type tag. - ty objecttype.Type - // size is the declared resulting content size. - size int64 - // dataOffset points to the zlib payload start. - dataOffset int - // baseRefID is set for ref-delta entries. - baseRefID objectid.ObjectID - // baseOfs is set for ofs-delta entries. - baseOfs uint64 -} - -// parseEntryMeta parses one pack entry header at offset. -func parseEntryMeta(pack *packFile, algo objectid.Algorithm, offset uint64) (entryMeta, error) { - var zero entryMeta - if offset >= uint64(len(pack.data)) { - return zero, fmt.Errorf("objectstorer/packed: pack %q offset %d out of bounds", pack.name, offset) - } - - pos, err := intconv.Uint64ToInt(offset) - if err != nil { - return zero, fmt.Errorf("objectstorer/packed: pack %q offset conversion: %w", pack.name, err) - } - - entry, err := packfmt.ParseEntry(pack.data[pos:], algo.Size()) - if err != nil { - return zero, fmt.Errorf("objectstorer/packed: pack %q: %w", pack.name, err) - } - - meta := entryMeta{ - ty: entry.Type, - size: entry.Size, - dataOffset: pos + entry.DataOffset, - } - switch meta.ty { - case objecttype.TypeRefDelta: - baseID, err := objectid.FromBytes(algo, entry.RefBaseID) - if err != nil { - return zero, fmt.Errorf("objectstorer/packed: pack %q invalid ref-delta base id: %w", pack.name, err) - } - - meta.baseRefID = baseID - case objecttype.TypeOfsDelta: - if offset <= entry.OfsBaseDistance { - return zero, fmt.Errorf("objectstorer/packed: pack %q has invalid ofs-delta base", pack.name) - } - - meta.baseOfs = offset - entry.OfsBaseDistance - case objecttype.TypeCommit, objecttype.TypeTree, objecttype.TypeBlob, objecttype.TypeTag: - // Base object types do not have delta base metadata. - case objecttype.TypeInvalid, objecttype.TypeFuture: - return zero, fmt.Errorf("objectstorer/packed: pack %q has unsupported entry type %d", pack.name, meta.ty) - default: - return zero, fmt.Errorf("objectstorer/packed: pack %q has unsupported entry type %d", pack.name, meta.ty) - } - - return meta, nil -} |
