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package git
/*
#include <git2.h>
*/
import "C"
import (
"runtime"
"unsafe"
)
// This object represents the possible operations which can be
// performed on the collection of notes for a repository.
type NoteCollection struct {
repo *Repository
}
// Create adds a note for an object
func (c *NoteCollection) Create(
ref string, author, committer *Signature, id *Oid,
note string, force bool) (*Oid, error) {
oid := new(Oid)
var cref *C.char
if ref == "" {
cref = nil
} else {
cref = C.CString(ref)
defer C.free(unsafe.Pointer(cref))
}
authorSig, err := author.toC()
if err != nil {
return nil, err
}
defer C.git_signature_free(authorSig)
committerSig, err := committer.toC()
if err != nil {
return nil, err
}
defer C.git_signature_free(committerSig)
cnote := C.CString(note)
defer C.free(unsafe.Pointer(cnote))
runtime.LockOSThread()
defer runtime.UnlockOSThread()
ret := C.git_note_create(
oid.toC(), c.repo.ptr, cref, authorSig,
committerSig, id.toC(), cnote, cbool(force))
runtime.KeepAlive(c)
runtime.KeepAlive(id)
if ret < 0 {
return nil, MakeGitError(ret)
}
return oid, nil
}
// Read reads the note for an object
func (c *NoteCollection) Read(ref string, id *Oid) (*Note, error) {
var cref *C.char
if ref == "" {
cref = nil
} else {
cref = C.CString(ref)
defer C.free(unsafe.Pointer(cref))
}
runtime.LockOSThread()
defer runtime.UnlockOSThread()
var ptr *C.git_note
ret := C.git_note_read(&ptr, c.repo.ptr, cref, id.toC())
runtime.KeepAlive(c)
runtime.KeepAlive(id)
if ret < 0 {
return nil, MakeGitError(ret)
}
return newNoteFromC(ptr, c.repo), nil
}
// Remove removes the note for an object
func (c *NoteCollection) Remove(ref string, author, committer *Signature, id *Oid) error {
var cref *C.char
if ref == "" {
cref = nil
} else {
cref = C.CString(ref)
defer C.free(unsafe.Pointer(cref))
}
authorSig, err := author.toC()
if err != nil {
return err
}
defer C.git_signature_free(authorSig)
committerSig, err := committer.toC()
if err != nil {
return err
}
defer C.git_signature_free(committerSig)
runtime.LockOSThread()
defer runtime.UnlockOSThread()
ret := C.git_note_remove(c.repo.ptr, cref, authorSig, committerSig, id.toC())
runtime.KeepAlive(c)
runtime.KeepAlive(id)
if ret < 0 {
return MakeGitError(ret)
}
return nil
}
// DefaultRef returns the default notes reference for a repository
func (c *NoteCollection) DefaultRef() (string, error) {
buf := C.git_buf{}
runtime.LockOSThread()
defer runtime.UnlockOSThread()
ecode := C.git_note_default_ref(&buf, c.repo.ptr)
runtime.KeepAlive(c)
if ecode < 0 {
return "", MakeGitError(ecode)
}
ret := C.GoString(buf.ptr)
C.git_buf_free(&buf)
return ret, nil
}
// Note
type Note struct {
ptr *C.git_note
r *Repository
}
func newNoteFromC(ptr *C.git_note, r *Repository) *Note {
note := &Note{ptr: ptr, r: r}
runtime.SetFinalizer(note, (*Note).Free)
return note
}
// Free frees a git_note object
func (n *Note) Free() error {
if n.ptr == nil {
return ErrInvalid
}
runtime.SetFinalizer(n, nil)
C.git_note_free(n.ptr)
n.ptr = nil
return nil
}
// Author returns the signature of the note author
func (n *Note) Author() *Signature {
ptr := C.git_note_author(n.ptr)
return newSignatureFromC(ptr)
}
// Id returns the note object's id
func (n *Note) Id() *Oid {
ptr := C.git_note_id(n.ptr)
runtime.KeepAlive(n)
return newOidFromC(ptr)
}
// Committer returns the signature of the note committer
func (n *Note) Committer() *Signature {
ptr := C.git_note_committer(n.ptr)
runtime.KeepAlive(n)
return newSignatureFromC(ptr)
}
// Message returns the note message
func (n *Note) Message() string {
ret := C.GoString(C.git_note_message(n.ptr))
runtime.KeepAlive(n)
return ret
}
// NoteIterator
type NoteIterator struct {
ptr *C.git_note_iterator
r *Repository
}
// NewNoteIterator creates a new iterator for notes
func (repo *Repository) NewNoteIterator(ref string) (*NoteIterator, error) {
var cref *C.char
if ref == "" {
cref = nil
} else {
cref = C.CString(ref)
defer C.free(unsafe.Pointer(cref))
}
var ptr *C.git_note_iterator
runtime.LockOSThread()
defer runtime.UnlockOSThread()
ret := C.git_note_iterator_new(&ptr, repo.ptr, cref)
runtime.KeepAlive(repo)
if ret < 0 {
return nil, MakeGitError(ret)
}
iter := &NoteIterator{ptr: ptr, r: repo}
runtime.SetFinalizer(iter, (*NoteIterator).Free)
return iter, nil
}
// Free frees the note interator
func (v *NoteIterator) Free() {
runtime.SetFinalizer(v, nil)
C.git_note_iterator_free(v.ptr)
}
// Next returns the current item (note id & annotated id) and advances the
// iterator internally to the next item
func (it *NoteIterator) Next() (noteId, annotatedId *Oid, err error) {
noteId, annotatedId = new(Oid), new(Oid)
runtime.LockOSThread()
defer runtime.UnlockOSThread()
ret := C.git_note_next(noteId.toC(), annotatedId.toC(), it.ptr)
runtime.KeepAlive(noteId)
runtime.KeepAlive(annotatedId)
runtime.KeepAlive(it)
if ret < 0 {
err = MakeGitError(ret)
}
return
}
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