Files
geef/c_src/object.c
2013-01-30 00:16:52 +01:00

63 lines
1.3 KiB
C

#include "geef.h"
#include "repository.h"
#include "object.h"
#include "oid.h"
#include <string.h>
#include <git2.h>
void geef_object_free(ErlNifEnv *env, void *cd)
{
geef_object *obj = (geef_object *) cd;
git_object_free(obj->obj);
}
static ERL_NIF_TERM object_type(git_object *obj)
{
switch(git_object_type(obj)) {
case GIT_OBJ_COMMIT:
return atoms.commit;
case GIT_OBJ_TREE:
return atoms.tree;
case GIT_OBJ_BLOB:
return atoms.blob;
case GIT_OBJ_TAG:
return atoms.tag;
default:
return atoms.error;
}
}
ERL_NIF_TERM
geef_object_lookup(ErlNifEnv *env, int argc, const ERL_NIF_TERM argv[])
{
geef_repository *repo;
ErlNifBinary bin;
git_oid id;
geef_object *obj;
ERL_NIF_TERM term_obj;
if (!enif_get_resource(env, argv[0], geef_repository_type, (void **) &repo))
return enif_make_badarg(env);
if (!enif_inspect_binary(env, argv[1], &bin))
return enif_make_badarg(env);
if (bin.size < GIT_OID_RAWSZ)
return enif_make_badarg(env);
git_oid_fromraw(&id, bin.data);
obj = enif_alloc_resource(geef_object_type, sizeof(geef_object));
if (git_object_lookup(&obj->obj, repo->repo, &id, GIT_OBJ_ANY) < 0) {
enif_release_resource(obj);
return geef_error(env);
}
term_obj = enif_make_resource(env, obj);
enif_release_resource(obj);
return enif_make_tuple3(env, atoms.ok, object_type(obj->obj), term_obj);
}