项目中经常会需要将service产生的数据结构提供给调用方。
但是数据结构又不想暴露出去，因此要将需要用到的数据结构的处理都封装为API，提供给调用方。
======================================================================= /* Define EXPORT_API */ #ifndef EXPORT_API #define EXPORT_API __attribute__((visibility("default"))) #endif EXPORT_API int test_record_create(test_record_h *record) { IFRET_VM(NULL == record, -1, "record is NULL"); test_record *data = calloc(1, sizeof(test_record)); IFRET_VM(NULL == data, -1, "calloc() Fail"); data->date = NULL; data->key = NULL; data->value = NULL; *record = (test_record_h)data; return 0; } EXPORT_API int test_record_destroy(test_record_h record) { test_record *data = (test_record *)record; IFRET_VM(NULL == data, -1, "data is NULL"); g_free(data->key); data->key = NULL; g_free(data->value); data->value = NULL; g_free(data->date); data->date = NULL; g_free(data); return 0; } EXPORT_API int test_list_create(test_list_h *record_list) { test_list *list_s = NULL; IFRET_VM(NULL == record_list, -1, "record_list is NULL"); *record_list = NULL; list_s = calloc(1, sizeof(test_list)); IFRET_VM(NULL == list_s, -1, "calloc() Fail"); *record_list = (test_list_h)list_s; return 0; } EXPORT_API int test_list_destroy(test_list_h record_list) { test_list *s_list = NULL; GList *cursor = NULL; IFRET_VM(NULL == record_list, -1, "record_list is NULL"); s_list = (test_list*)record_list; for (cursor = s_list->records; cursor; cursor = cursor->next) test_record_destroy((test_record_h)(cursor->data)); g_list_free(s_list->records); g_free(s_list); return 0; } EXPORT_API int test_record_set_key(test_record_h record, const char *key) { test_record *data = (test_record *)record; IFRET_VM(NULL == data, -1, "data is NULL"); IFRET_VM(NULL == key, -1, "key is NULL"); data->key = g_strdup(key); return 0; } EXPORT_API int test_record_get_key(test_record_h record, char **key) { test_error_e 0 = 0; test_record *data = (test_record *)record; IFRET_VM(NULL == data, -1, "data is NULL"); IFRET_VM(NULL == key, -1, "key is NULL"); *key = data->key; return 0; } EXPORT_API int test_list_add(test_list_h record_list, test_record_h record) { test_list *s_list = NULL; test_record *s_record = NULL; IFRET_VM(NULL == record_list || NULL == record, -1, "record_list is NULL"); s_list = (test_list*)record_list; s_record = (test_record*)record; s_list->records = g_list_append(s_list->records, s_record); if (s_list->count == 0) { s_list->cursor = s_list->records; } s_list->count++; return 0; } EXPORT_API int test_list_remove(test_list_h record_list, test_record_h record) { GList *cursor = NULL; test_list *s_list = NULL; test_record *s_record = NULL; IFRET_VM(NULL == record_list || NULL == record, -1, "record_list is NULL"); s_list = (test_list*)record_list; s_record = (test_record*)record; for (cursor = s_list->records; cursor; cursor = cursor->next) { test_record *data = cursor->data; if (data == s_record) { s_list->count--; if (s_list->cursor == cursor) { s_list->cursor = cursor->next; } s_list->records = g_list_remove(s_list->records, s_record); return 0; } } return 0; } EXPORT_API int test_list_get_record_count(test_list_h record_list, int *count) { test_error_e 0 = 0; test_list *list_s = NULL; IFRET_VM(NULL == count, -1, "count is NULL"); *count = 0; IFRET_VM(NULL == record_list, -1, "record_list is NULL"); list_s = (test_list*)record_list; *count = list_s->count; return 0; } EXPORT_API int test_list_get_current_record(test_list_h record_list, test_record_h *record) { test_error_e 0 = 0; test_list *list_s = NULL; IFRET_VM(NULL == record, -1, "record is NULL"); *record = NULL; IFRET_VM(NULL == record_list || NULL == record, -1, "record_list is NULL"); list_s = (test_list*)record_list; if (NULL == list_s->cursor) { *record = NULL; return -2; } *record = list_s->cursor->data; return 0; } EXPORT_API int test_list_move_to_first(test_list_h record_list) { test_error_e 0 = 0; test_list *list_s = NULL; IFRET_VM(NULL == record_list, -1, "record_list is NULL"); list_s = (test_list*)record_list; list_s->cursor = list_s->records; if (NULL == list_s->cursor) { return -2; } return 0; } EXPORT_API int test_list_move_to_last(test_list_h record_list) { test_error_e 0 = 0; test_list *list_s; IFRET_VM(NULL == record_list, -1, "record_list is NULL"); list_s = (test_list*)record_list; list_s->cursor = g_list_last(list_s->records); if (NULL == list_s->cursor) { return -2; } return 0; } static int __sc_list_move_cursor(test_list_h list, bool next) { test_list *list_s; IFRET_VM(NULL == list, -1, "record_list is NULL"); list_s = (test_list*)list; if (NULL == list_s->cursor) return -2; list_s->cursor = next ? list_s->cursor->next : list_s->cursor->prev ; if (NULL == list_s->cursor) return -2; return 0; } EXPORT_API int test_list_move_to_next(test_list_h record_list) { return __sc_list_move_cursor(record_list, true); } EXPORT_API int test_list_move_to_prev(test_list_h record_list) { return __sc_list_move_cursor(record_list, false); }
