Added thirdparty: boost library

thirdparty/include/boost/url/detail/params_iter_impl.hpp

@@ -0,0 +1,84 @@
+//
+// Copyright (c) 2019 Vinnie Falco (vinnie.falco@gmail.com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+// Official repository: https://github.com/boostorg/url
+//
+
+#ifndef BOOST_URL_DETAIL_PARAMS_ITER_IMPL_HPP
+#define BOOST_URL_DETAIL_PARAMS_ITER_IMPL_HPP
+
+#include <boost/url/param.hpp>
+#include <boost/url/detail/parts_base.hpp>
+#include <boost/url/detail/url_impl.hpp>
+#include <boost/assert.hpp>
+
+namespace boost {
+namespace urls {
+namespace detail {
+
+struct BOOST_URL_DECL params_iter_impl
+    : parts_base
+{
+    query_ref ref;
+    std::size_t index = 0;
+    std::size_t pos;
+    std::size_t nk;
+    std::size_t nv;
+    std::size_t dk;
+    std::size_t dv;
+
+    params_iter_impl() = default;
+    params_iter_impl(
+        params_iter_impl const&) = default;
+    params_iter_impl& operator=(
+        params_iter_impl const&) = default;
+
+    // begin
+    params_iter_impl(
+        query_ref const&) noexcept;
+
+    // end
+    params_iter_impl(
+        query_ref const&,
+        int) noexcept;
+
+    // at index
+    params_iter_impl(
+        query_ref const&,
+        std::size_t,
+        std::size_t) noexcept;
+    void setup() noexcept;
+    void increment() noexcept;
+    void decrement() noexcept;
+    param_pct_view
+        dereference() const noexcept;
+    pct_string_view key() const noexcept;
+
+    auto
+    next() const noexcept ->
+        params_iter_impl
+    {
+        auto next = *this;
+        next.increment();
+        return next;
+    }
+
+    bool
+    equal(
+        params_iter_impl const&
+            other) const noexcept
+    {
+        // different containers
+        BOOST_ASSERT(ref.alias_of(other.ref));
+        return index == other.index;
+    }
+};
+
+} // detail
+} // urls
+} // boost
+
+#endif