. /include/boost/url /impl /url_view.hpp
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1   // 1   //
2   // Copyright (c) 2019 Vinnie Falco (vinnie.falco@gmail.com) 2   // Copyright (c) 2019 Vinnie Falco (vinnie.falco@gmail.com)
3   // Copyright (c) 2022 Alan de Freitas (alandefreitas@gmail.com) 3   // Copyright (c) 2022 Alan de Freitas (alandefreitas@gmail.com)
4   // 4   //
5   // Distributed under the Boost Software License, Version 1.0. (See accompanying 5   // Distributed under the Boost Software License, Version 1.0. (See accompanying
6   // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) 6   // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
7   // 7   //
8   // Official repository: https://github.com/boostorg/url 8   // Official repository: https://github.com/boostorg/url
9   // 9   //
10   10  
11   #ifndef BOOST_URL_IMPL_URL_VIEW_HPP 11   #ifndef BOOST_URL_IMPL_URL_VIEW_HPP
12   #define BOOST_URL_IMPL_URL_VIEW_HPP 12   #define BOOST_URL_IMPL_URL_VIEW_HPP
13   13  
14   #include <boost/url/parse.hpp> 14   #include <boost/url/parse.hpp>
15   #include <boost/url/detail/over_allocator.hpp> 15   #include <boost/url/detail/over_allocator.hpp>
16   #include <cstring> 16   #include <cstring>
17   #include <memory> 17   #include <memory>
18   18  
19   namespace boost { 19   namespace boost {
20   namespace urls { 20   namespace urls {
21   21  
22   //------------------------------------------------ 22   //------------------------------------------------
23   // 23   //
24   // url_view 24   // url_view
25   // 25   //
26   //------------------------------------------------ 26   //------------------------------------------------
27   27  
28   inline 28   inline
HITCBC 29   388 url_view:: 29   388 url_view::
HITCBC 30   388 url_view(core::string_view s) 30   388 url_view(core::string_view s)
HITCBC 31   388 : url_view(parse_uri_reference(s 31   388 : url_view(parse_uri_reference(s
HITCBC 32   388 ).value(BOOST_URL_POS)) 32   388 ).value(BOOST_URL_POS))
33   { 33   {
HITCBC 34   387 } 34   387 }
35   35  
36   //------------------------------------------------ 36   //------------------------------------------------
37   // 37   //
38   // url_view_base::persist 38   // url_view_base::persist
39   // 39   //
40   //------------------------------------------------ 40   //------------------------------------------------
41   41  
42   struct url_view_base::shared_impl 42   struct url_view_base::shared_impl
43   : url_view 43   : url_view
44   { 44   {
45   virtual 45   virtual
HITCBC 46   4 ~shared_impl() 46   4 ~shared_impl()
HITCBC 47   4 { 47   4 {
HITCBC 48   4 } 48   4 }
49   49  
HITCBC 50   4 shared_impl( 50   4 shared_impl(
51   url_view const& u) noexcept 51   url_view const& u) noexcept
HITCBC 52   4 : url_view(u) 52   4 : url_view(u)
53   { 53   {
HITCBC 54   4 impl_.cs_ = reinterpret_cast< 54   4 impl_.cs_ = reinterpret_cast<
55   char const*>(this + 1); 55   char const*>(this + 1);
HITCBC 56   4 } 56   4 }
57   }; 57   };
58   58  
59   inline 59   inline
60   std::shared_ptr<url_view const> 60   std::shared_ptr<url_view const>
HITCBC 61   4 url_view_base:: 61   4 url_view_base::
62   persist() const 62   persist() const
63   { 63   {
64   using T = shared_impl; 64   using T = shared_impl;
65   using Alloc = std::allocator<char>; 65   using Alloc = std::allocator<char>;
66   Alloc a; 66   Alloc a;
67   auto p = std::allocate_shared<T>( 67   auto p = std::allocate_shared<T>(
HITCBC 68   8 detail::over_allocator<T, Alloc>( 68   8 detail::over_allocator<T, Alloc>(
HITCBC 69   8 size(), a), url_view(impl())); 69   8 size(), a), url_view(impl()));
HITCBC 70   4 if(size()) 70   4 if(size())
HITCBC 71   3 std::memcpy( 71   3 std::memcpy(
72   reinterpret_cast<char*>( 72   reinterpret_cast<char*>(
HITCBC 73   3 p.get() + 1), data(), size()); 73   3 p.get() + 1), data(), size());
HITCBC 74   8 return p; 74   8 return p;
HITCBC 75   4 } 75   4 }
76   76  
77   } // urls 77   } // urls
78   } // boost 78   } // boost
79   79  
80   #endif 80   #endif