1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
|
/*
* This source code is released into the public domain.
*/
module;
#include <cstdlib>
#include <string>
#include <ucl.h>
export module nihil.ucl:string;
import :object;
namespace nihil::ucl {
export struct string final : object {
using contained_type = std::string_view;
inline static constexpr object_type ucl_type = object_type::string;
using value_type = char const;
using size_type = std::size_t;
using difference_type = std::ptrdiff_t;
using reference = value_type &;
using pointer = value_type *;
using iterator = pointer;
// Create a new string from a UCL object.
string(ref_t, ::ucl_object_t const *uobj);
string(noref_t, ::ucl_object_t *uobj);
// Create a new empty string.
string();
// Create a new UCL string from a string.
explicit string(std::string_view value);
// Create a new UCL string from an iterator pair.
template<std::contiguous_iterator Iterator>
string(Iterator first, Iterator last)
: string(std::string_view(first, last))
{}
template<std::input_iterator Iterator>
requires(!std::contiguous_iterator<Iterator>)
string(Iterator first, Iterator last)
: string(std::string(first, last))
{}
// Create a new UCL string from a range.
string(std::from_range_t, std::ranges::range auto &&range)
: string(std::ranges::begin(range),
std::ranges::end(range))
{}
// Return the value of this string.
auto value(this string const &self) -> contained_type;
// Return the size of this string.
auto size(this string const &self) -> size_type;
// Test if this string is empty.
auto empty(this string const &self) -> bool;
// Access this string's data
auto data(this string const &self) -> pointer;
// Iterator access
auto begin(this string const &self) -> iterator;
auto end(this string const &self) -> iterator;
};
/*
* Comparison operators.
*/
export auto operator== (string const &a, string const &b) -> bool;
export auto operator<=> (string const &a, string const &b)
-> std::strong_ordering;
/*
* For convenience, allow comparison with C++ strings without having to
* construct a temporary UCL object.
*/
export auto operator==(string const &lhs, std::string_view rhs) -> bool;
export auto operator==(string const &lhs, std::string const &rhs) -> bool;
export auto operator==(string const &lhs, char const *rhs) -> bool;
export auto operator<=>(string const &lhs, std::string_view rhs)
-> std::strong_ordering;
export auto operator<=>(string const &lhs, std::string const &rhs)
-> std::strong_ordering;
export auto operator<=>(string const &lhs, char const *rhs)
-> std::strong_ordering;
} // namespace nihil::ucl
|
