/* * Copyright (c) 2019 TAOS Data, Inc. * * This program is free software: you can use, redistribute, and/or modify * it under the terms of the GNU Affero General Public License, version 3 * or later ("AGPL"), as published by the Free Software Foundation. * * This program 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. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see . */ #ifndef _TD_UTIL_LIST_H_ #define _TD_UTIL_LIST_H_ #include "os.h" #ifdef __cplusplus extern "C" { #endif // Single linked list ================ #define TD_SLIST_NODE(TYPE) \ struct { \ struct TYPE *sl_next_; \ } #define TD_SLIST(TYPE) \ struct { \ struct TYPE *sl_head_; \ int32_t sl_neles_; \ } #define TD_SLIST_HEAD(sl) ((sl)->sl_head_) #define TD_SLIST_NELES(sl) ((sl)->sl_neles_) #define TD_SLIST_NODE_NEXT(sln) ((sln)->sl_next_) #define TD_SLIST_NODE_NEXT_WITH_FIELD(sln, field) ((sln)->field.sl_next_) #define TD_SLIST_INIT(sl) \ do { \ (sl)->sl_head_ = NULL; \ (sl)->sl_neles_ = 0; \ } while (0) #define TD_SLIST_PUSH(sl, sln) \ do { \ TD_SLIST_NODE_NEXT(sln) = TD_SLIST_HEAD(sl); \ TD_SLIST_HEAD(sl) = (sln); \ TD_SLIST_NELES(sl) += 1; \ } while (0) #define TD_SLIST_PUSH_WITH_FIELD(sl, sln, field) \ do { \ TD_SLIST_NODE_NEXT_WITH_FIELD(sln, field) = TD_SLIST_HEAD(sl); \ TD_SLIST_HEAD(sl) = (sln); \ TD_SLIST_NELES(sl) += 1; \ } while (0) #define TD_SLIST_POP(sl) \ do { \ TD_SLIST_HEAD(sl) = TD_SLIST_NODE_NEXT(TD_SLIST_HEAD(sl)); \ TD_SLIST_NELES(sl) -= 1; \ } while (0) #define TD_SLIST_POP_WITH_FIELD(sl, field) \ do { \ TD_SLIST_HEAD(sl) = TD_SLIST_NODE_NEXT_WITH_FIELD(TD_SLIST_HEAD(sl), field); \ TD_SLIST_NELES(sl) -= 1; \ } while (0) // Double linked list ================ #define TD_DLIST_NODE(TYPE) \ struct { \ struct TYPE *dl_prev_; \ struct TYPE *dl_next_; \ } #define TD_DLIST(TYPE) \ struct { \ struct TYPE *dl_head_; \ struct TYPE *dl_tail_; \ int32_t dl_neles_; \ } #define TD_DLIST_NODE_PREV(dln) ((dln)->dl_prev_) #define TD_DLIST_NODE_NEXT(dln) ((dln)->dl_next_) #define TD_DLIST_NODE_PREV_WITH_FIELD(dln, field) ((dln)->field.dl_prev_) #define TD_DLIST_NODE_NEXT_WITH_FIELD(dln, field) ((dln)->field.dl_next_) #define TD_DLIST_HEAD(dl) ((dl)->dl_head_) #define TD_DLIST_TAIL(dl) ((dl)->dl_tail_) #define TD_DLIST_NELES(dl) ((dl)->dl_neles_) #define TD_DLIST_INIT(dl) \ do { \ TD_DLIST_HEAD(dl) = TD_DLIST_TAIL(dl) = NULL; \ TD_DLIST_NELES(dl) = 0; \ } while (0) #define TD_DLIST_APPEND(dl, dln) \ do { \ if (TD_DLIST_HEAD(dl) == NULL) { \ TD_DLIST_NODE_PREV(dln) = TD_DLIST_NODE_NEXT(dln) = NULL; \ TD_DLIST_HEAD(dl) = TD_DLIST_TAIL(dl) = (dln); \ } else { \ TD_DLIST_NODE_PREV(dln) = TD_DLIST_TAIL(dl); \ TD_DLIST_NODE_NEXT(dln) = NULL; \ TD_DLIST_NODE_NEXT(TD_DLIST_TAIL(dl)) = (dln); \ TD_DLIST_TAIL(dl) = (dln); \ } \ TD_DLIST_NELES(dl) += 1; \ } while (0) #define TD_DLIST_APPEND_WITH_FIELD(dl, dln, field) \ do { \ if (TD_DLIST_HEAD(dl) == NULL) { \ TD_DLIST_NODE_PREV_WITH_FIELD(dln, field) = TD_DLIST_NODE_NEXT_WITH_FIELD(dln, field) = NULL; \ TD_DLIST_HEAD(dl) = TD_DLIST_TAIL(dl) = (dln); \ } else { \ TD_DLIST_NODE_PREV_WITH_FIELD(dln, field) = TD_DLIST_TAIL(dl); \ TD_DLIST_NODE_NEXT_WITH_FIELD(dln, field) = NULL; \ TD_DLIST_NODE_NEXT_WITH_FIELD(TD_DLIST_TAIL(dl), field) = (dln); \ TD_DLIST_TAIL(dl) = (dln); \ } \ TD_DLIST_NELES(dl) += 1; \ } while (0) #define TD_DLIST_PREPEND(dl, dln) \ do { \ if (TD_DLIST_HEAD(dl) == NULL) { \ TD_DLIST_NODE_PREV(dln) = TD_DLIST_NODE_NEXT(dln) = NULL; \ TD_DLIST_HEAD(dl) = TD_DLIST_TAIL(dl) = (dln); \ } else { \ TD_DLIST_NODE_PREV(dln) = NULL; \ TD_DLIST_NODE_NEXT(dln) = TD_DLIST_HEAD(dl); \ TD_DLIST_NODE_PREV(TD_DLIST_HEAD(dl)) = (dln); \ TD_DLIST_HEAD(dl) = (dln); \ } \ TD_DLIST_NELES(dl) += 1; \ } while (0) #define TD_DLIST_PREPEND_WITH_FIELD(dl, dln, field) \ do { \ if (TD_DLIST_HEAD(dl) == NULL) { \ TD_DLIST_NODE_PREV_WITH_FIELD(dln, field) = TD_DLIST_NODE_NEXT_WITH_FIELD(dln, field) = NULL; \ TD_DLIST_HEAD(dl) = TD_DLIST_TAIL(dl) = (dln); \ } else { \ TD_DLIST_NODE_PREV_WITH_FIELD(dln, field) = NULL; \ TD_DLIST_NODE_NEXT_WITH_FIELD(dln, field) = TD_DLIST_HEAD(dl); \ TD_DLIST_NODE_PREV_WITH_FIELD(TD_DLIST_HEAD(dl), field) = (dln); \ TD_DLIST_HEAD(dl) = (dln); \ } \ TD_DLIST_NELES(dl) += 1; \ } while (0) #define TD_DLIST_POP(dl, dln) \ do { \ if (TD_DLIST_HEAD(dl) == (dln)) { \ TD_DLIST_HEAD(dl) = TD_DLIST_NODE_NEXT(dln); \ } \ if (TD_DLIST_TAIL(dl) == (dln)) { \ TD_DLIST_TAIL(dl) = TD_DLIST_NODE_PREV(dln); \ } \ if (TD_DLIST_NODE_PREV(dln) != NULL) { \ TD_DLIST_NODE_NEXT(TD_DLIST_NODE_PREV(dln)) = TD_DLIST_NODE_NEXT(dln); \ } \ if (TD_DLIST_NODE_NEXT(dln) != NULL) { \ TD_DLIST_NODE_PREV(TD_DLIST_NODE_NEXT(dln)) = TD_DLIST_NODE_PREV(dln); \ } \ TD_DLIST_NELES(dl) -= 1; \ TD_DLIST_NODE_PREV(dln) = TD_DLIST_NODE_NEXT(dln) = NULL; \ } while (0) #define TD_DLIST_POP_WITH_FIELD(dl, dln, field) \ do { \ if (TD_DLIST_HEAD(dl) == (dln)) { \ TD_DLIST_HEAD(dl) = TD_DLIST_NODE_NEXT_WITH_FIELD(dln, field); \ } \ if (TD_DLIST_TAIL(dl) == (dln)) { \ TD_DLIST_TAIL(dl) = TD_DLIST_NODE_PREV_WITH_FIELD(dln, field); \ } \ if (TD_DLIST_NODE_PREV_WITH_FIELD(dln, field) != NULL) { \ TD_DLIST_NODE_NEXT_WITH_FIELD(TD_DLIST_NODE_PREV_WITH_FIELD(dln, field), field) = \ TD_DLIST_NODE_NEXT_WITH_FIELD(dln, field); \ } \ if (TD_DLIST_NODE_NEXT_WITH_FIELD(dln, field) != NULL) { \ TD_DLIST_NODE_PREV_WITH_FIELD(TD_DLIST_NODE_NEXT_WITH_FIELD(dln, field), field) = \ TD_DLIST_NODE_PREV_WITH_FIELD(dln, field); \ } \ TD_DLIST_NELES(dl) -= 1; \ TD_DLIST_NODE_PREV_WITH_FIELD(dln, field) = TD_DLIST_NODE_NEXT_WITH_FIELD(dln, field) = NULL; \ } while (0) // General double linked list typedef enum { TD_LIST_FORWARD, TD_LIST_BACKWARD } TD_LIST_DIRECTION_T; typedef struct SListNode { TD_DLIST_NODE(SListNode); char data[]; } SListNode; typedef struct { TD_DLIST(SListNode); int32_t eleSize; } SList; typedef struct { SListNode *next; TD_LIST_DIRECTION_T direction; } SListIter; #define listHead(l) TD_DLIST_HEAD(l) #define listTail(l) TD_DLIST_TAIL(l) #define listNEles(l) TD_DLIST_NELES(l) #define listEleSize(l) ((l)->eleSize) #define isListEmpty(l) (TD_DLIST_NELES(l) == 0) #define listNodeFree(n) taosMemoryFree(n) void tdListInit(SList *list, int32_t eleSize); void tdListEmpty(SList *list); SList *tdListNew(int32_t eleSize); void *tdListFree(SList *list); void tdListPrependNode(SList *list, SListNode *node); void tdListAppendNode(SList *list, SListNode *node); int32_t tdListPrepend(SList *list, void *data); int32_t tdListAppend(SList *list, void *data); SListNode *tdListPopHead(SList *list); SListNode *tdListPopTail(SList *list); SListNode *tdListGetHead(SList *list); SListNode *tdListGetTail(SList *list); SListNode *tdListPopNode(SList *list, SListNode *node); void tdListMove(SList *src, SList *dst); void tdListDiscard(SList *list); void tdListNodeGetData(SList *list, SListNode *node, void *target); void tdListInitIter(SList *list, SListIter *pIter, TD_LIST_DIRECTION_T direction); SListNode *tdListNext(SListIter *pIter); #ifdef __cplusplus } #endif #endif /*_TD_UTIL_LIST_H_*/