Line data    Source code

       1              : //
       2              : // Copyright (c) 2019 Vinnie Falco (vinnie.falco@gmail.com)
       3              : // Copyright (c) 2022 Alan de Freitas (alandefreitas@gmail.com)
       4              : //
       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)
       7              : //
       8              : // Official repository: https://github.com/boostorg/url
       9              : //
      10              : 
      11              : #ifndef BOOST_URL_DETAIL_SEGMENTS_ITER_IMPL_HPP
      12              : #define BOOST_URL_DETAIL_SEGMENTS_ITER_IMPL_HPP
      13              : 
      14              : #include <boost/url/detail/parts_base.hpp>
      15              : #include <boost/url/detail/url_impl.hpp>
      16              : #include <boost/core/detail/string_view.hpp>
      17              : #include <string>
      18              : 
      19              : namespace boost {
      20              : namespace urls {
      21              : namespace detail {
      22              : 
      23              : struct segments_iter_impl
      24              :     : private parts_base
      25              : {
      26              :     path_ref ref; // parent path data the iterator aliases
      27              :     std::size_t pos = 0; // encoded offset of current segment start
      28              :     std::size_t next = 0; // encoded offset one past current segment
      29              :     std::size_t index = 0; // segment index within the parent path
      30              :     std::size_t dn = 0; // decoded length of current segment
      31              :     std::size_t decoded_prefix = 0; // decoded chars preceding current segment
      32              : private:
      33              :     pct_string_view s_;
      34              : public:
      35              : 
      36              :     segments_iter_impl() = default;
      37              :     segments_iter_impl(
      38              :         segments_iter_impl const&) noexcept = default;
      39              :     segments_iter_impl& operator=(
      40              :         segments_iter_impl const&) noexcept = default;
      41              : 
      42              :     // begin
      43              :     segments_iter_impl(
      44              :         detail::path_ref const&) noexcept;
      45              : 
      46              :     // end
      47              :     segments_iter_impl(
      48              :         detail::path_ref const&,
      49              :         int) noexcept;
      50              : 
      51              :     // at index
      52              :     segments_iter_impl(
      53              :         url_impl const& u_,
      54              :         std::size_t pos_,
      55              :         std::size_t i_) noexcept;
      56              : 
      57              :     void update() noexcept;
      58              : 
      59              :     BOOST_URL_DECL
      60              :     void
      61              :     increment() noexcept;
      62              : 
      63              :     BOOST_URL_DECL
      64              :     void
      65              :     decrement() noexcept;
      66              : 
      67              :     pct_string_view
      68         4733 :     dereference() const noexcept
      69              :     {
      70         4733 :         return s_;
      71              :     }
      72              : 
      73              :     std::size_t
      74           24 :     decoded_prefix_size() const noexcept
      75              :     {
      76           24 :         return decoded_prefix;
      77              :     }
      78              : 
      79              :     bool
      80         5137 :     equal(
      81              :         segments_iter_impl const& other) const noexcept
      82              :     {
      83         5137 :         BOOST_ASSERT(ref.alias_of(other.ref));
      84         5137 :         return index == other.index;
      85              :     }
      86              : };
      87              : 
      88              : } // detail
      89              : } // urls
      90              : } // boost
      91              : 
      92              : #endif