1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
|
package memory
import (
"errors"
"fmt"
"io"
objectheader "codeberg.org/lindenii/furgit/object/header"
objectid "codeberg.org/lindenii/furgit/object/id"
objecttype "codeberg.org/lindenii/furgit/object/type"
)
// WriteReaderContent writes one typed object content stream.
func (store *Store) WriteReaderContent(ty objecttype.Type, size int64, src io.Reader) (objectid.ObjectID, error) {
if size < 0 {
return objectid.ObjectID{}, fmt.Errorf("objectstore/memory: negative content size: %d", size)
}
content, err := io.ReadAll(io.LimitReader(src, size+1))
if err != nil {
return objectid.ObjectID{}, err
}
switch {
case int64(len(content)) > size:
return objectid.ObjectID{}, errors.New("objectstore/memory: object content longer than declared size")
case int64(len(content)) < size:
return objectid.ObjectID{}, errors.New("objectstore/memory: object content shorter than declared size")
}
return store.WriteBytesContent(ty, content)
}
// WriteReaderFull writes one full serialized object stream as "type size\0content".
func (store *Store) WriteReaderFull(src io.Reader) (objectid.ObjectID, error) {
raw, err := io.ReadAll(src)
if err != nil {
return objectid.ObjectID{}, err
}
ty, size, headerLen, ok := objectheader.Parse(raw)
if !ok {
return objectid.ObjectID{}, errors.New("objectstore/memory: malformed object header")
}
content := raw[headerLen:]
if int64(len(content)) != size {
return objectid.ObjectID{}, errors.New("objectstore/memory: object header size/content mismatch")
}
id := store.algo.Sum(raw)
store.objects[id] = storedObject{ty: ty, content: append([]byte(nil), content...)}
return id, nil
}
|
