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package memory
import (
"fmt"
"io"
"lindenii.org/go/furgit/object/header"
"lindenii.org/go/furgit/object/id"
"lindenii.org/go/furgit/object/store"
"lindenii.org/go/furgit/object/typ"
"lindenii.org/go/lgo/intconv"
)
// WriteBytesContent writes one typed object content byte slice.
func (memory *Memory) WriteBytesContent(ty typ.Type, content []byte) (id.ObjectID, error) {
raw := header.Append(nil, ty, uint64(len(content)))
raw = append(raw, content...)
objectID := memory.objectFormat.Sum(raw)
memory.objects.Store(objectID, storedObject{ty: ty, content: append([]byte(nil), content...)})
return objectID, nil
}
// WriteBytesFull writes one full serialized object byte slice as "type size\x00content".
func (memory *Memory) WriteBytesFull(raw []byte) (id.ObjectID, error) {
ty, size, consumed, err := header.Parse(raw)
if err != nil {
return id.ObjectID{}, fmt.Errorf("object/store/memory: %w", err)
}
content := raw[consumed:]
if uint64(len(content)) != size {
return id.ObjectID{}, fmt.Errorf("%w: header size/content mismatch", store.ErrInvalidObject)
}
return memory.WriteBytesContent(ty, content)
}
// WriteReaderContent writes one typed object content stream.
func (memory *Memory) WriteReaderContent(ty typ.Type, size uint64, src io.Reader) (id.ObjectID, error) {
limit, err := intconv.Uint64ToInt64(size)
if err != nil {
return id.ObjectID{}, fmt.Errorf("object/store/memory: content size: %w", err)
}
content, err := io.ReadAll(io.LimitReader(src, limit+1))
if err != nil {
return id.ObjectID{}, fmt.Errorf("object/store/memory: read content: %w", err)
}
switch {
case uint64(len(content)) > size:
return id.ObjectID{}, fmt.Errorf("%w: content longer than declared size", store.ErrInvalidObject)
case uint64(len(content)) < size:
return id.ObjectID{}, fmt.Errorf("%w: content shorter than declared size", store.ErrInvalidObject)
}
return memory.WriteBytesContent(ty, content)
}
// WriteReaderFull writes one full serialized object stream as "type size\x00content".
func (memory *Memory) WriteReaderFull(src io.Reader) (id.ObjectID, error) {
raw, err := io.ReadAll(src)
if err != nil {
return id.ObjectID{}, fmt.Errorf("object/store/memory: read object: %w", err)
}
return memory.WriteBytesFull(raw)
}
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