/src/Fast-DDS/thirdparty/taocpp-pegtl/pegtl/internal/action_input.hpp
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1 | | // Copyright (c) 2016-2020 Dr. Colin Hirsch and Daniel Frey |
2 | | // Please see LICENSE for license or visit https://github.com/taocpp/PEGTL/ |
3 | | |
4 | | #ifndef TAO_PEGTL_INTERNAL_ACTION_INPUT_HPP |
5 | | #define TAO_PEGTL_INTERNAL_ACTION_INPUT_HPP |
6 | | |
7 | | #include <cstddef> |
8 | | #include <cstdint> |
9 | | #include <string> |
10 | | |
11 | | #include "iterator.hpp" |
12 | | |
13 | | #include "../config.hpp" |
14 | | #include "../position.hpp" |
15 | | |
16 | | namespace tao |
17 | | { |
18 | | namespace TAO_PEGTL_NAMESPACE |
19 | | { |
20 | | namespace internal |
21 | | { |
22 | | inline const char* begin_c_ptr( const char* p ) noexcept |
23 | 0 | { |
24 | 0 | return p; |
25 | 0 | } |
26 | | |
27 | | inline const char* begin_c_ptr( const iterator& it ) noexcept |
28 | 0 | { |
29 | 0 | return it.data; |
30 | 0 | } |
31 | | |
32 | | template< typename Input > |
33 | | class action_input |
34 | | { |
35 | | public: |
36 | | using input_t = Input; |
37 | | using iterator_t = typename Input::iterator_t; |
38 | | |
39 | | action_input( const iterator_t& in_begin, const Input& in_input ) noexcept |
40 | 0 | : m_begin( in_begin ), |
41 | 0 | m_input( in_input ) |
42 | 0 | { |
43 | 0 | } |
44 | | |
45 | | action_input( const action_input& ) = delete; |
46 | | action_input( action_input&& ) = delete; |
47 | | |
48 | | ~action_input() = default; |
49 | | |
50 | | action_input& operator=( const action_input& ) = delete; |
51 | | action_input& operator=( action_input&& ) = delete; |
52 | | |
53 | | const iterator_t& iterator() const noexcept |
54 | 0 | { |
55 | 0 | return m_begin; |
56 | 0 | } |
57 | | |
58 | | const Input& input() const noexcept |
59 | 0 | { |
60 | 0 | return m_input; |
61 | 0 | } |
62 | | |
63 | | const char* begin() const noexcept |
64 | 0 | { |
65 | 0 | return begin_c_ptr( iterator() ); |
66 | 0 | } |
67 | | |
68 | | const char* end() const noexcept |
69 | 0 | { |
70 | 0 | return input().current(); |
71 | 0 | } |
72 | | |
73 | | bool empty() const noexcept |
74 | | { |
75 | | return begin() == end(); |
76 | | } |
77 | | |
78 | | std::size_t size() const noexcept |
79 | | { |
80 | | return std::size_t( end() - begin() ); |
81 | | } |
82 | | |
83 | | std::string string() const |
84 | 0 | { |
85 | 0 | return std::string( begin(), end() ); |
86 | 0 | } |
87 | | |
88 | | char peek_char( const std::size_t offset = 0 ) const noexcept |
89 | | { |
90 | | return begin()[ offset ]; |
91 | | } |
92 | | |
93 | | std::uint8_t peek_uint8( const std::size_t offset = 0 ) const noexcept |
94 | | { |
95 | | return static_cast< std::uint8_t >( peek_char( offset ) ); |
96 | | } |
97 | | |
98 | | // Compatibility, remove with 3.0.0 |
99 | | std::uint8_t peek_byte( const std::size_t offset = 0 ) const noexcept |
100 | | { |
101 | | return static_cast< std::uint8_t >( peek_char( offset ) ); |
102 | | } |
103 | | |
104 | | TAO_PEGTL_NAMESPACE::position position() const |
105 | | { |
106 | | return input().position( iterator() ); // NOTE: Not efficient with lazy inputs. |
107 | | } |
108 | | |
109 | | protected: |
110 | | const iterator_t m_begin; |
111 | | const Input& m_input; |
112 | | }; |
113 | | |
114 | | } // namespace internal |
115 | | |
116 | | } // namespace TAO_PEGTL_NAMESPACE |
117 | | |
118 | | } // namespace tao |
119 | | |
120 | | #endif |