Hash :
2b562c3a
Author :
Date :
2013-05-04T16:32:58
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#include "vector.h"
#include "util.h"
#include "testdb.h"
typedef struct refdb_test_backend {
git_refdb_backend parent;
git_repository *repo;
git_vector refs;
} refdb_test_backend;
typedef struct refdb_test_entry {
char *name;
git_ref_t type;
union {
git_oid oid;
char *symbolic;
} target;
} refdb_test_entry;
static int ref_name_cmp(const void *a, const void *b)
{
return strcmp(git_reference_name((git_reference *)a),
git_reference_name((git_reference *)b));
}
static int refdb_test_backend__exists(
int *exists,
git_refdb_backend *_backend,
const char *ref_name)
{
refdb_test_backend *backend;
refdb_test_entry *entry;
size_t i;
assert(_backend);
backend = (refdb_test_backend *)_backend;
*exists = 0;
git_vector_foreach(&backend->refs, i, entry) {
if (strcmp(entry->name, ref_name) == 0) {
*exists = 1;
break;
}
}
return 0;
}
static int refdb_test_backend__write(
git_refdb_backend *_backend,
const git_reference *ref)
{
refdb_test_backend *backend;
refdb_test_entry *entry;
assert(_backend);
backend = (refdb_test_backend *)_backend;
entry = git__calloc(1, sizeof(refdb_test_entry));
GITERR_CHECK_ALLOC(entry);
entry->name = git__strdup(git_reference_name(ref));
GITERR_CHECK_ALLOC(entry->name);
entry->type = git_reference_type(ref);
if (entry->type == GIT_REF_OID)
git_oid_cpy(&entry->target.oid, git_reference_target(ref));
else {
entry->target.symbolic = git__strdup(git_reference_symbolic_target(ref));
GITERR_CHECK_ALLOC(entry->target.symbolic);
}
git_vector_insert(&backend->refs, entry);
return 0;
}
static int refdb_test_backend__lookup(
git_reference **out,
git_refdb_backend *_backend,
const char *ref_name)
{
refdb_test_backend *backend;
refdb_test_entry *entry;
size_t i;
assert(_backend);
backend = (refdb_test_backend *)_backend;
git_vector_foreach(&backend->refs, i, entry) {
if (strcmp(entry->name, ref_name) == 0) {
if (entry->type == GIT_REF_OID) {
*out = git_reference__alloc(ref_name,
&entry->target.oid, NULL);
} else if (entry->type == GIT_REF_SYMBOLIC) {
*out = git_reference__alloc_symbolic(ref_name,
entry->target.symbolic);
}
if (*out == NULL)
return -1;
return 0;
}
}
return GIT_ENOTFOUND;
}
typedef struct {
git_reference_iterator parent;
size_t i;
} refdb_test_iter;
static int refdb_test_backend__iterator(git_reference_iterator **out, git_refdb_backend *_backend)
{
refdb_test_iter *iter;
GIT_UNUSED(_backend);
iter = git__calloc(1, sizeof(refdb_test_iter));
GITERR_CHECK_ALLOC(iter);
iter->parent.backend = _backend;
iter->i = 0;
*out = (git_reference_iterator *) iter;
return 0;
}
static int refdb_test_backend__next(const char **name, git_reference_iterator *_iter)
{
refdb_test_entry *entry;
refdb_test_backend *backend = (refdb_test_backend *) _iter->backend;
refdb_test_iter *iter = (refdb_test_iter *) _iter;
entry = git_vector_get(&backend->refs, iter->i);
if (!entry)
return GIT_ITEROVER;
*name = entry->name;
iter->i++;
return 0;
}
static void refdb_test_backend__iterator_free(git_reference_iterator *iter)
{
git__free(iter);
}
static void refdb_test_entry_free(refdb_test_entry *entry)
{
if (entry->type == GIT_REF_SYMBOLIC)
git__free(entry->target.symbolic);
git__free(entry->name);
git__free(entry);
}
static int refdb_test_backend__delete(
git_refdb_backend *_backend,
const git_reference *ref)
{
refdb_test_backend *backend;
refdb_test_entry *entry;
size_t i;
assert(_backend);
backend = (refdb_test_backend *)_backend;
git_vector_foreach(&backend->refs, i, entry) {
if (strcmp(entry->name, git_reference_name(ref)) == 0) {
git_vector_remove(&backend->refs, i);
refdb_test_entry_free(entry);
}
}
return GIT_ENOTFOUND;
}
static void refdb_test_backend__free(git_refdb_backend *_backend)
{
refdb_test_backend *backend;
refdb_test_entry *entry;
size_t i;
assert(_backend);
backend = (refdb_test_backend *)_backend;
git_vector_foreach(&backend->refs, i, entry)
refdb_test_entry_free(entry);
git_vector_free(&backend->refs);
git__free(backend);
}
int refdb_backend_test(
git_refdb_backend **backend_out,
git_repository *repo)
{
refdb_test_backend *backend;
backend = git__calloc(1, sizeof(refdb_test_backend));
GITERR_CHECK_ALLOC(backend);
git_vector_init(&backend->refs, 0, ref_name_cmp);
backend->repo = repo;
backend->parent.exists = &refdb_test_backend__exists;
backend->parent.lookup = &refdb_test_backend__lookup;
backend->parent.iterator = &refdb_test_backend__iterator;
backend->parent.next = &refdb_test_backend__next;
backend->parent.iterator_free = &refdb_test_backend__iterator_free;
backend->parent.write = &refdb_test_backend__write;
backend->parent.delete = &refdb_test_backend__delete;
backend->parent.free = &refdb_test_backend__free;
*backend_out = (git_refdb_backend *)backend;
return 0;
}