1 //
2 // Copyright (c) 2016-2019 Vinnie Falco (vinnie dot falco at gmail dot com)
3 //
4 // Distributed under the Boost Software License, Version 1.0. (See accompanying
5 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
6 //
7 // Official repository: https://github.com/boostorg/beast
8 //
9
10 #ifndef BOOST_BEAST_IMPL_STRING_PARAM_HPP
11 #define BOOST_BEAST_IMPL_STRING_PARAM_HPP
12
13 namespace boost {
14 namespace beast {
15
16 template<class T>
17 typename std::enable_if<
18 std::is_integral<T>::value>::type
19 string_param::
print(T const & t)20 print(T const& t)
21 {
22 auto const last = buf_ + sizeof(buf_);
23 auto const it = detail::raw_to_string<
24 char, T, std::char_traits<char>>(
25 last, sizeof(buf_), t);
26 sv_ = {it, static_cast<std::size_t>(
27 last - it)};
28 }
29
30 template<class T>
31 typename std::enable_if<
32 ! std::is_integral<T>::value &&
33 ! std::is_convertible<T, string_view>::value
34 >::type
35 string_param::
print(T const & t)36 print(T const& t)
37 {
38 os_.emplace(buf_, sizeof(buf_));
39 *os_ << t;
40 os_->flush();
41 sv_ = os_->str();
42 }
43
44 inline
45 void
46 string_param::
print(string_view sv)47 print(string_view sv)
48 {
49 sv_ = sv;
50 }
51
52 template<class T>
53 typename std::enable_if<
54 std::is_integral<T>::value>::type
55 string_param::
print_1(T const & t)56 print_1(T const& t)
57 {
58 char buf[detail::max_digits(sizeof(T))];
59 auto const last = buf + sizeof(buf);
60 auto const it = detail::raw_to_string<
61 char, T, std::char_traits<char>>(
62 last, sizeof(buf), t);
63 *os_ << string_view{it,
64 static_cast<std::size_t>(last - it)};
65 }
66
67 template<class T>
68 typename std::enable_if<
69 ! std::is_integral<T>::value>::type
70 string_param::
print_1(T const & t)71 print_1(T const& t)
72 {
73 *os_ << t;
74 }
75
76 template<class T0, class... TN>
77 void
78 string_param::
print_n(T0 const & t0,TN const &...tn)79 print_n(T0 const& t0, TN const&... tn)
80 {
81 print_1(t0);
82 print_n(tn...);
83 }
84
85 template<class T0, class T1, class... TN>
86 void
87 string_param::
print(T0 const & t0,T1 const & t1,TN const &...tn)88 print(T0 const& t0, T1 const& t1, TN const&... tn)
89 {
90 os_.emplace(buf_, sizeof(buf_));
91 print_1(t0);
92 print_1(t1);
93 print_n(tn...);
94 os_->flush();
95 sv_ = os_->str();
96 }
97
98 template<class... Args>
99 string_param::
string_param(Args const &...args)100 string_param(Args const&... args)
101 {
102 print(args...);
103 }
104
105 } // beast
106 } // boost
107
108 #endif
109