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//
 
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// Copyright (c) 2019 Vinnie Falco (vinnie.falco@gmail.com)
 
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// Copyright (c) 2023 Alan de Freitas (alandefreitas@gmail.com)
 
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//
 
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
 
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 
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//
 
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// Official repository: https://github.com/boostorg/url
 
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//
 
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#ifndef BOOST_URL_DETAIL_IMPL_ANY_PARAMS_ITER_HPP
 
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#define BOOST_URL_DETAIL_IMPL_ANY_PARAMS_ITER_HPP
 
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#include <boost/url/encode.hpp>
 
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#include <boost/url/rfc/detail/charsets.hpp>
 
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#include <boost/assert.hpp>
 
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namespace boost {
 
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namespace urls {
 
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namespace detail {
 
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//------------------------------------------------
 
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//
 
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// query_string_iter
 
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//
 
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//------------------------------------------------
 
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inline
 
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query_string_iter::
 
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query_string_iter(
 
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    core::string_view s,
 
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    bool ne) noexcept
 
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    : any_params_iter(
 
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        s.empty() && ! ne, s)
 
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{
 
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    rewind();
 
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}
 
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inline
 
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void
 
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query_string_iter::
 
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rewind() noexcept
 
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{
 
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    if(empty)
 
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    {
 
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        at_end_ = true;
 
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        return;
 
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    }
 
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    p_ = s0.begin();
 
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    if(! s0.empty())
 
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    {
 
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        auto pos =
 
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            s0.find_first_of('&');
 
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        if(pos != core::string_view::npos)
 
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            n_ = pos;
 
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        else
 
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            n_ = s0.size();
 
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    }
 
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    else
 
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    {
 
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        n_ = 0;
 
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    }
 
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    at_end_ = false;
 
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}
 
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inline
 
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bool
 
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query_string_iter::
 
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measure(
 
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    std::size_t& n) noexcept
 
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{
 
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    if(at_end_)
 
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        return false;
 
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    // When interacting with the query as
 
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    // an intact string, we do not treat
 
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    // the plus sign as an encoded space.
 
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    encoding_opts opt;
 
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    opt.space_as_plus = false;
 
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    n += encoded_size(
 
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        core::string_view(p_, n_),
 
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        query_chars,
 
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        opt);
 
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    increment();
 
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    return true;
 
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}
 
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inline
 
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void
 
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query_string_iter::
 
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copy(
 
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    char*& dest,
 
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    char const* end) noexcept
 
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{
 
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    BOOST_ASSERT(! at_end_);
 
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    // When interacting with the query as
 
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    // an intact string, we do not treat
 
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    // the plus sign as an encoded space.
 
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    encoding_opts opt;
 
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    opt.space_as_plus = false;
 
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    dest += encode_unsafe(
 
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        dest,
 
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        end - dest,
 
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        core::string_view(p_, n_),
 
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        query_chars,
 
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        opt);
 
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    increment();
 
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}
 
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inline
 
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void
 
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query_string_iter::
 
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increment() noexcept
 
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{
 
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    p_ += n_;
 
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    if(p_ == s0.end())
 
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    {
 
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        at_end_ = true;
 
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        return;
 
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    }
 
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    ++p_;
 
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    core::string_view s(p_, s0.end() - p_);
 
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    auto pos = s.find_first_of('&');
 
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    if(pos != core::string_view::npos)
 
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        n_ = pos;
 
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    else
 
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        n_ = s.size();
 
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}
 
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} // detail
 
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} // urls
 
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} // boost
 
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#endif