1 /* 2 * Copyright (c) 2011-2014, Intel Corporation 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without modification, 6 * are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, this 9 * list of conditions and the following disclaimer. 10 * 11 * 2. Redistributions in binary form must reproduce the above copyright notice, 12 * this list of conditions and the following disclaimer in the documentation and/or 13 * other materials provided with the distribution. 14 * 15 * 3. Neither the name of the copyright holder nor the names of its contributors 16 * may be used to endorse or promote products derived from this software without 17 * specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 21 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 22 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR 23 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 24 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 26 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 28 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 #pragma once 31 32 #include <string> 33 #include <stdint.h> 34 35 class CCompoundRule; 36 class CSelectionCriteriaDefinition; 37 38 class CRuleParser 39 { 40 public: 41 enum Status 42 { 43 EInit, 44 EBeginCompoundRule, 45 EEndCompoundRule, 46 ECriterionRule, 47 EContinue, 48 EDone, 49 50 ENbStatuses 51 }; 52 53 CRuleParser(const std::string &strApplicationRule, 54 const CSelectionCriteriaDefinition *pSelectionCriteriaDefinition); 55 ~CRuleParser(); 56 57 // Parse 58 bool parse(CCompoundRule *pParentRule, std::string &strError); 59 60 // Iterate 61 bool iterate(std::string &strError); 62 63 // Next word 64 bool next(std::string &strNext, std::string &strError); 65 66 // Rule type 67 const std::string &getType() const; 68 69 // Criteria defintion 70 const CSelectionCriteriaDefinition *getSelectionCriteriaDefinition() const; 71 72 // Root rule 73 CCompoundRule *grabRootRule(); 74 75 private: 76 CRuleParser(const CRuleParser &); 77 CRuleParser &operator=(const CRuleParser &); 78 79 // Rule definition 80 std::string _strApplicationRule; 81 // Criteria defintion 82 const CSelectionCriteriaDefinition *_pSelectionCriteriaDefinition; 83 /** String iterator */ 84 std::string::size_type _uiCurrentPos{0}; 85 // Deepness 86 size_t _currentDeepness{0}; 87 // Current Type 88 std::string _strRuleType; 89 // Status 90 Status _eStatus{EInit}; 91 // Root rule 92 CCompoundRule *_pRootRule{nullptr}; 93 // Matches 94 static const char *_acDelimiters[ENbStatuses]; 95 }; 96