Orcus
stream.hpp
1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 /*
3  * This Source Code Form is subject to the terms of the Mozilla Public
4  * License, v. 2.0. If a copy of the MPL was not distributed with this
5  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
6  */
7 
8 #ifndef INCLUDED_ORCUS_STREAM_HPP
9 #define INCLUDED_ORCUS_STREAM_HPP
10 
11 #include "env.hpp"
12 
13 #include <memory>
14 #include <string>
15 
16 namespace orcus {
17 
24 class ORCUS_PSR_DLLPUBLIC file_content
25 {
26  struct impl;
27  std::unique_ptr<impl> mp_impl;
28 public:
29  file_content(const file_content&) = delete;
30  file_content& operator= (const file_content&) = delete;
31 
32  file_content();
33  file_content(file_content&& other);
34  file_content(std::string_view filepath);
35  ~file_content();
36 
42  const char* data() const;
43 
50  size_t size() const;
51 
57  bool empty() const;
58 
64  void swap(file_content& other);
65 
72  void load(std::string_view filepath);
73 
80 
81  std::string_view str() const;
82 };
83 
90 class ORCUS_PSR_DLLPUBLIC memory_content
91 {
92  struct impl;
93  std::unique_ptr<impl> mp_impl;
94 public:
95  memory_content(const file_content&) = delete;
96  memory_content& operator= (const file_content&) = delete;
97 
99  memory_content(std::string_view s);
101  ~memory_content();
102 
103  const char* data() const;
104  size_t size() const;
105  bool empty() const;
106 
107  void swap(memory_content& other);
108 
115 
116  std::string_view str() const;
117 };
118 
119 struct ORCUS_PSR_DLLPUBLIC line_with_offset
120 {
122  std::string line;
124  std::size_t line_number;
126  std::size_t offset_on_line;
127 
128  line_with_offset(std::string _line, std::size_t _line_number, std::size_t _offset_on_line);
129  line_with_offset(const line_with_offset& other);
131  ~line_with_offset();
132 
133  bool operator== (const line_with_offset& other) const;
134  bool operator!= (const line_with_offset& other) const;
135 };
136 
146 ORCUS_PSR_DLLPUBLIC std::string create_parse_error_output(std::string_view strm, std::ptrdiff_t offset);
147 
161 ORCUS_PSR_DLLPUBLIC line_with_offset locate_line_with_offset(std::string_view strm, std::ptrdiff_t offset);
162 
174 ORCUS_PSR_DLLPUBLIC size_t locate_first_different_char(std::string_view left, std::string_view right);
175 
182 ORCUS_PSR_DLLPUBLIC std::size_t calc_logical_string_length(std::string_view s);
183 
184 } // namespace orcus
185 
186 #endif
187 
188 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
Definition: stream.hpp:25
size_t size() const
void swap(file_content &other)
void load(std::string_view filepath)
const char * data() const
bool empty() const
Definition: stream.hpp:91
Definition: stream.hpp:120
std::size_t offset_on_line
Definition: stream.hpp:126
std::size_t line_number
Definition: stream.hpp:124
std::string line
Definition: stream.hpp:122