1 /* 2 * Copyright (C) 2021 Jakub Kruszona-Zawadzki, Core Technology Sp. z o.o. 3 * 4 * This file is part of MooseFS. 5 * 6 * MooseFS is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation, version 2 (only). 9 * 10 * MooseFS is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU General Public License for more details. 14 * 15 * You should have received a copy of the GNU General Public License 16 * along with MooseFS; if not, write to the Free Software 17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02111-1301, USA 18 * or visit http://www.gnu.org/licenses/gpl-2.0.html 19 */ 20 21 #ifndef _LABELPARSER_H_ 22 #define _LABELPARSER_H_ 23 24 #include <inttypes.h> 25 26 #include "MFSCommunication.h" 27 28 #define LABELS_BUFF_SIZE ((((26+1)*MASKORGROUP)+5)*9) 29 30 /* grammar productions: 31 * A -> [1-9] E ',' A | [1-9] E ';' A 32 * E -> '*' | S 33 * S -> S '+' M | S '|' M | S '||' M | M 34 * M -> M '*' L | M '&' L | M '&&' L | M L | L 35 * L -> 'a' .. 'z' | 'A' .. 'Z' | '(' S ')' | '[' S ']' 36 */ 37 38 char* make_label_expr(char *strbuff,uint8_t labelscnt,uint32_t labelmasks[9][MASKORGROUP]); 39 int parse_label_expr(char *exprstr,uint8_t *labelscnt,uint32_t labelmasks[9][MASKORGROUP]); 40 41 #endif 42