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
35class CCompoundRule;
36class CSelectionCriteriaDefinition;
37
38class CRuleParser
39{
40public:
41    enum Status {
42        EInit,
43        EBeginCompoundRule,
44        EEndCompoundRule,
45        ECriterionRule,
46        EContinue,
47        EDone,
48
49        ENbStatuses
50    };
51
52    CRuleParser(const std::string& strApplicationRule, const CSelectionCriteriaDefinition* pSelectionCriteriaDefinition);
53    ~CRuleParser();
54
55    // Parse
56    bool parse(CCompoundRule* pParentRule, std::string& strError);
57
58    // Iterate
59    bool iterate(std::string& strError);
60
61    // Next word
62    bool next(std::string& strNext, std::string& strError);
63
64    // Rule type
65    const std::string& getType() const;
66
67    // Criteria defintion
68    const CSelectionCriteriaDefinition* getSelectionCriteriaDefinition() const;
69
70    // Root rule
71    CCompoundRule* grabRootRule();
72private:
73
74    CRuleParser(const CRuleParser&);
75    CRuleParser& operator=(const CRuleParser&);
76
77    // Rule definition
78    std::string _strApplicationRule;
79    // Criteria defintion
80    const CSelectionCriteriaDefinition* _pSelectionCriteriaDefinition;
81    /** String iterator */
82    std::string::size_type _uiCurrentPos;
83    // Deepness
84    uint32_t _uiCurrentDeepness;
85    // Current Type
86    std::string _strRuleType;
87    // Status
88    Status _eStatus;
89    // Root rule
90    CCompoundRule* _pRootRule;
91    // Matches
92    static const char* _acDelimiters[ENbStatuses];
93};
94
95