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;;; Guile-Git --- GNU Guile bindings of libgit2
;;; Copyright © 2016 Amirouche Boubekki <amirouche@hypermove.net>
;;; Copyright © 2016, 2017 Erik Edrosa <erik.edrosa@gmail.com>
;;;
;;; This file is part of Guile-Git.
;;;
;;; Guile-Git is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or
;;; (at your option) any later version.
;;;
;;; Guile-Git is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
;;; General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with Guile-Git. If not, see <http://www.gnu.org/licenses/>.
(define-module (git oid)
#:use-module (rnrs bytevectors)
#:use-module (system foreign)
#:use-module (git bindings)
#:use-module (git types)
#:use-module (git structs)
#:use-module (srfi srfi-9 gnu)
#:re-export (oid=?)
#:export (oid-cmp
string->oid
oid-zero?
oid-ncmp?
oid-strcmp
oid-str=?
oid->string))
;;; oid https://libgit2.github.com/libgit2/#HEAD/group/oid
(define oid-cmp
(let ((proc (libgit2->procedure int "git_oid_cmp" '(* *))))
(lambda (a b)
(proc (oid->pointer a) (oid->pointer b)))))
(define oid-copy
(let ((proc (libgit2->procedure void "git_oid_cpy" '(* *))))
(lambda (src)
(let ((out (make-oid-pointer)))
(proc out (oid->pointer src))
(pointer->oid out)))))
;; FIXME: https://libgit2.github.com/libgit2/#HEAD/group/oid/git_oid_fmt
;; FIXME: https://libgit2.github.com/libgit2/#HEAD/group/oid/git_oid_fromraw
(define string->oid
(let ((proc (libgit2->procedure* "git_oid_fromstrn" `(* * ,size_t))))
(lambda (str)
(let ((out (make-oid-pointer)))
(proc out (string->pointer str "US-ASCII") (string-length str))
(pointer->oid out)))))
;; FIXME: https://libgit2.github.com/libgit2/#HEAD/group/oid/git_oid_fromstrp
(define oid-zero?
(let ((proc (libgit2->procedure int "git_oid_iszero" '(*))))
(lambda (id)
(eq? (proc (oid->pointer id)) 1))))
(define oid-ncmp?
(let ((proc (libgit2->procedure int "git_oid_ncmp" `(* * ,size_t))))
(lambda (a b len)
(eq? (proc (oid->pointer a) (oid->pointer b) len) 0))))
;; FIXME: https://libgit2.github.com/libgit2/#HEAD/group/oid/git_oid_nfmt
;; FIXME: https://libgit2.github.com/libgit2/#HEAD/group/oid/git_oid_pathfmt
;; FIXME: https://libgit2.github.com/libgit2/#HEAD/group/oid/git_oid_shorten_add
;; FIXME: https://libgit2.github.com/libgit2/#HEAD/group/oid/git_oid_shorten_free
;; FIXME: https://libgit2.github.com/libgit2/#HEAD/group/oid/git_oid_shorten_new
(define oid-strcmp
(let ((proc (libgit2->procedure int "git_oid_strcmp" '(* *))))
(lambda (id string)
(proc (oid->pointer id) (string->pointer string)))))
(define oid-str=?
(let ((proc (libgit2->procedure int "git_oid_streq" '(* *))))
(lambda (id string)
(proc (oid->pointer id) (string->pointer string)))))
;; FIXME: https://libgit2.github.com/libgit2/#HEAD/group/oid/git_oid_tostr
(define oid->string
(let ((proc (libgit2->procedure '* "git_oid_tostr_s" '(*))))
(lambda (id)
(pointer->string (proc (oid->pointer id))))))
(define (print-oid oid port)
(format port "#<oid ~a>" (oid->string oid)))
(set-record-type-printer! (@@ (git structs) <oid>) print-oid)
;;; FIXME: oidarray https://libgit2.github.com/libgit2/#HEAD/group/oidarray
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