diff options
Diffstat (limited to 'reftable/generic.c')
| -rw-r--r-- | reftable/generic.c | 180 |
1 files changed, 0 insertions, 180 deletions
diff --git a/reftable/generic.c b/reftable/generic.c deleted file mode 100644 index 57f8032db9..0000000000 --- a/reftable/generic.c +++ /dev/null @@ -1,180 +0,0 @@ -/* -Copyright 2020 Google LLC - -Use of this source code is governed by a BSD-style -license that can be found in the LICENSE file or at -https://developers.google.com/open-source/licenses/bsd -*/ - -#include "basics.h" -#include "constants.h" -#include "record.h" -#include "generic.h" -#include "reftable-iterator.h" -#include "reftable-generic.h" - -int reftable_table_seek_ref(struct reftable_table *tab, - struct reftable_iterator *it, const char *name) -{ - struct reftable_record rec = { .type = BLOCK_TYPE_REF, - .u.ref = { - .refname = (char *)name, - } }; - return tab->ops->seek_record(tab->table_arg, it, &rec); -} - -int reftable_table_seek_log(struct reftable_table *tab, - struct reftable_iterator *it, const char *name) -{ - struct reftable_record rec = { .type = BLOCK_TYPE_LOG, - .u.log = { - .refname = (char *)name, - .update_index = ~((uint64_t)0), - } }; - return tab->ops->seek_record(tab->table_arg, it, &rec); -} - -int reftable_table_read_ref(struct reftable_table *tab, const char *name, - struct reftable_ref_record *ref) -{ - struct reftable_iterator it = { NULL }; - int err = reftable_table_seek_ref(tab, &it, name); - if (err) - goto done; - - err = reftable_iterator_next_ref(&it, ref); - if (err) - goto done; - - if (strcmp(ref->refname, name) || - reftable_ref_record_is_deletion(ref)) { - reftable_ref_record_release(ref); - err = 1; - goto done; - } - -done: - reftable_iterator_destroy(&it); - return err; -} - -int reftable_table_print(struct reftable_table *tab) { - struct reftable_iterator it = { NULL }; - struct reftable_ref_record ref = { NULL }; - struct reftable_log_record log = { NULL }; - uint32_t hash_id = reftable_table_hash_id(tab); - int err = reftable_table_seek_ref(tab, &it, ""); - if (err < 0) { - return err; - } - - while (1) { - err = reftable_iterator_next_ref(&it, &ref); - if (err > 0) { - break; - } - if (err < 0) { - return err; - } - reftable_ref_record_print(&ref, hash_id); - } - reftable_iterator_destroy(&it); - reftable_ref_record_release(&ref); - - err = reftable_table_seek_log(tab, &it, ""); - if (err < 0) { - return err; - } - while (1) { - err = reftable_iterator_next_log(&it, &log); - if (err > 0) { - break; - } - if (err < 0) { - return err; - } - reftable_log_record_print(&log, hash_id); - } - reftable_iterator_destroy(&it); - reftable_log_record_release(&log); - return 0; -} - -uint64_t reftable_table_max_update_index(struct reftable_table *tab) -{ - return tab->ops->max_update_index(tab->table_arg); -} - -uint64_t reftable_table_min_update_index(struct reftable_table *tab) -{ - return tab->ops->min_update_index(tab->table_arg); -} - -uint32_t reftable_table_hash_id(struct reftable_table *tab) -{ - return tab->ops->hash_id(tab->table_arg); -} - -void reftable_iterator_destroy(struct reftable_iterator *it) -{ - if (!it->ops) { - return; - } - it->ops->close(it->iter_arg); - it->ops = NULL; - FREE_AND_NULL(it->iter_arg); -} - -int reftable_iterator_next_ref(struct reftable_iterator *it, - struct reftable_ref_record *ref) -{ - struct reftable_record rec = { - .type = BLOCK_TYPE_REF, - .u = { - .ref = *ref - }, - }; - int err = iterator_next(it, &rec); - *ref = rec.u.ref; - return err; -} - -int reftable_iterator_next_log(struct reftable_iterator *it, - struct reftable_log_record *log) -{ - struct reftable_record rec = { - .type = BLOCK_TYPE_LOG, - .u = { - .log = *log, - }, - }; - int err = iterator_next(it, &rec); - *log = rec.u.log; - return err; -} - -int iterator_next(struct reftable_iterator *it, struct reftable_record *rec) -{ - return it->ops->next(it->iter_arg, rec); -} - -static int empty_iterator_next(void *arg, struct reftable_record *rec) -{ - return 1; -} - -static void empty_iterator_close(void *arg) -{ -} - -static struct reftable_iterator_vtable empty_vtable = { - .next = &empty_iterator_next, - .close = &empty_iterator_close, -}; - -void iterator_set_empty(struct reftable_iterator *it) -{ - assert(!it->ops); - it->iter_arg = NULL; - it->ops = &empty_vtable; -} |