git2go/odb.go

73 lines
1.2 KiB
Go

package git
/*
#cgo pkg-config: libgit2
#include <git2.h>
#include <git2/errors.h>
*/
import "C"
import (
"unsafe"
"reflect"
"runtime"
)
var (
OBJ_ANY = C.GIT_OBJ_ANY
OBJ_BAD = C.GIT_OBJ_BAD
OBJ_COMMIT = C.GIT_OBJ_COMMIT
OBJ_TREE = C.GIT_OBJ_TREE
OBJ_BLOB = C.GIT_OBJ_BLOB
OBJ_TAG = C.GIT_OBJ_TAG
)
type Odb struct {
ptr *C.git_odb
}
func (v *Odb) Exists(oid *Oid) bool {
ret := C.git_odb_exists(v.ptr, oid.toC())
return ret != 0
}
func (v *Odb) Write(data []byte, otype int) (oid *Oid, err error) {
oid = new(Oid)
hdr := (*reflect.SliceHeader)(unsafe.Pointer(&data))
ret := C.git_odb_write(oid.toC(), v.ptr, unsafe.Pointer(hdr.Data), C.size_t(hdr.Len), C.git_otype(otype))
if ret < 0 {
err = LastError()
}
return
}
func (v *Odb) Read(oid *Oid) (obj *OdbObject, err error) {
obj = new(OdbObject)
ret := C.git_odb_read(&obj.ptr, v.ptr, oid.toC())
if ret < 0 {
return nil, LastError()
}
runtime.SetFinalizer(obj, (*OdbObject).Free)
return
}
type OdbObject struct {
ptr *C.git_odb_object
}
func (v *OdbObject) Free() {
runtime.SetFinalizer(v, nil)
C.git_odb_object_free(v.ptr)
}
func (v *OdbObject) Type() int {
return int(C.git_odb_object_type(v.ptr))
}
func (v *OdbObject) Size() int64 {
return int64(C.git_odb_object_size(v.ptr))
}