| 1 | /****************************************************************************** |
| 2 | * Copyright (c) 2000-2016 Ericsson Telecom AB |
| 3 | * All rights reserved. This program and the accompanying materials |
| 4 | * are made available under the terms of the Eclipse Public License v1.0 |
| 5 | * which accompanies this distribution, and is available at |
| 6 | * http://www.eclipse.org/legal/epl-v10.html |
| 7 | * |
| 8 | * Contributors: |
| 9 | * Balasko, Jeno |
| 10 | * Forstner, Matyas |
| 11 | * Raduly, Csaba |
| 12 | * |
| 13 | ******************************************************************************/ |
| 14 | #ifndef _Asn_OCSV_HH |
| 15 | #define _Asn_OCSV_HH |
| 16 | |
| 17 | #include "Object.hh" |
| 18 | #include "Block.hh" |
| 19 | |
| 20 | namespace Asn { |
| 21 | |
| 22 | using namespace Common; |
| 23 | |
| 24 | class OCSV_Builder; |
| 25 | class OCSV_Parser; |
| 26 | |
| 27 | /** |
| 28 | * OCS visitor to build the OCS. :) It's clear and simple, isn't it? |
| 29 | */ |
| 30 | class OCSV_Builder : public OCS_Visitor { |
| 31 | private: |
| 32 | TokenBuf *tb; |
| 33 | FieldSpecs *fss; // ref. |
| 34 | |
| 35 | OCSV_Builder(const OCSV_Builder& p); |
| 36 | void visit0(OCS_Node& p); |
| 37 | public: |
| 38 | OCSV_Builder(TokenBuf *p_tb, FieldSpecs *p_fss); |
| 39 | virtual ~OCSV_Builder(); |
| 40 | virtual void visit_root(OCS_root& p); |
| 41 | virtual void visit_seq(OCS_seq& p); |
| 42 | virtual void visit_literal(OCS_literal& p); |
| 43 | virtual void visit_setting(OCS_setting& p); |
| 44 | }; |
| 45 | |
| 46 | /** |
| 47 | * OCS visitor to parse an object definition. |
| 48 | */ |
| 49 | class OCSV_Parser : public OCS_Visitor { |
| 50 | private: |
| 51 | TokenBuf *tb; |
| 52 | Obj_defn *my_obj; |
| 53 | /** Stores whether the parsing was successful. If it is false, the |
| 54 | * parsing cannot be continued. */ |
| 55 | bool success; |
| 56 | /** Stores whether the previous parsing was successful. */ |
| 57 | bool prev_success; |
| 58 | |
| 59 | OCSV_Parser(const OCSV_Parser& p); |
| 60 | public: |
| 61 | OCSV_Parser(TokenBuf *p_tb, Obj_defn *p_my_obj); |
| 62 | virtual ~OCSV_Parser(); |
| 63 | virtual void visit_root(OCS_root& p); |
| 64 | virtual void visit_seq(OCS_seq& p); |
| 65 | virtual void visit_literal(OCS_literal& p); |
| 66 | virtual void visit_setting(OCS_setting& p); |
| 67 | private: |
| 68 | size_t is_ref(size_t pos); |
| 69 | size_t is_tag(size_t pos); |
| 70 | size_t is_constraint(size_t pos); |
| 71 | size_t is_constraints(size_t pos); |
| 72 | size_t is_nakedtype(size_t pos); |
| 73 | size_t is_type(size_t pos); |
| 74 | size_t is_value(size_t pos); |
| 75 | size_t is_object(size_t pos); |
| 76 | size_t is_objectset(size_t pos); |
| 77 | Block* get_first_n(size_t n); |
| 78 | Type* parse_type(); |
| 79 | Value* parse_value(); |
| 80 | Object* parse_object(); |
| 81 | ObjectSet* parse_objectset(); |
| 82 | }; |
| 83 | |
| 84 | } // namespace Asn |
| 85 | |
| 86 | #endif // _Asn_OCSV_HH |