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//
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//
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// Copyright (c) 2021 Vinnie Falco (vinnie.falco@gmail.com)
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// Copyright (c) 2021 Vinnie Falco (vinnie.falco@gmail.com)
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//
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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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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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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//
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// Official repository: https://github.com/cppalliance/http
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// Official repository: https://github.com/cppalliance/http
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//
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//
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#ifndef BOOST_HTTP_RFC_QUOTED_TOKEN_VIEW_HPP
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#ifndef BOOST_HTTP_RFC_QUOTED_TOKEN_VIEW_HPP
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#define BOOST_HTTP_RFC_QUOTED_TOKEN_VIEW_HPP
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#define BOOST_HTTP_RFC_QUOTED_TOKEN_VIEW_HPP
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#include <boost/http/detail/config.hpp>
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#include <boost/http/detail/config.hpp>
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#include <boost/url/grammar/string_view_base.hpp>
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#include <boost/url/grammar/string_view_base.hpp>
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#include <boost/core/detail/string_view.hpp>
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#include <boost/core/detail/string_view.hpp>
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namespace boost {
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namespace boost {
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namespace http {
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namespace http {
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namespace implementation_defined {
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namespace implementation_defined {
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struct quoted_token_rule_t;
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struct quoted_token_rule_t;
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} // implementation_defined
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} // implementation_defined
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/** A view into a quoted string token, which may
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/** A view into a quoted string token, which may
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    contain escape sequences.
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    contain escape sequences.
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    @see
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    @see
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        @ref quoted_token_view.
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        @ref quoted_token_view.
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*/
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*/
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class quoted_token_view final
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class quoted_token_view final
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    : public grammar::string_view_base
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    : public grammar::string_view_base
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{
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{
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    std::size_t n_ = 0;
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    std::size_t n_ = 0;
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    friend struct implementation_defined::quoted_token_rule_t;
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    friend struct implementation_defined::quoted_token_rule_t;
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    // unquoted
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    // unquoted
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    explicit
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    explicit
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    quoted_token_view(
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    quoted_token_view(
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        core::string_view s) noexcept
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        core::string_view s) noexcept
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        : string_view_base(s)
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        : string_view_base(s)
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        , n_(s.size())
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        , n_(s.size())
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    {
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    {
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    }
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    }
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    // maybe quoted
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    // maybe quoted
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    quoted_token_view(
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    quoted_token_view(
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        core::string_view s,
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        core::string_view s,
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        std::size_t n) noexcept
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        std::size_t n) noexcept
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        : string_view_base(s)
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        : string_view_base(s)
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        , n_(n)
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        , n_(n)
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    {
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    {
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        BOOST_ASSERT(s.size() >= 2);
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        BOOST_ASSERT(s.size() >= 2);
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        BOOST_ASSERT(s.front() == '\"');
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        BOOST_ASSERT(s.front() == '\"');
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        BOOST_ASSERT(s.back() == '\"');
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        BOOST_ASSERT(s.back() == '\"');
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        BOOST_ASSERT(n_ <= s_.size() - 2);
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        BOOST_ASSERT(n_ <= s_.size() - 2);
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    }
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    }
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public:
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public:
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    quoted_token_view() = default;
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    quoted_token_view() = default;
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    quoted_token_view(
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    quoted_token_view(
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        quoted_token_view const&) noexcept = default;
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        quoted_token_view const&) noexcept = default;
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    quoted_token_view& operator=(
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    quoted_token_view& operator=(
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        quoted_token_view const&) noexcept = default;
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        quoted_token_view const&) noexcept = default;
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    /** Return true if the token contains escape
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    /** Return true if the token contains escape
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        sequences.
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        sequences.
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        @par Complexity
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        @par Complexity
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        Constant.
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        Constant.
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        @Return true if the token contains
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        @Return true if the token contains
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        escape sequences.
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        escape sequences.
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    */
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    */
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    bool
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    bool
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    has_escapes() const noexcept
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    has_escapes() const noexcept
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    {
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    {
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        return n_ != s_.size();
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        return n_ != s_.size();
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    }
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    }
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    /** Return the size of the unescaped content.
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    /** Return the size of the unescaped content.
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        @par Complexity
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        @par Complexity
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        Constant.
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        Constant.
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         @return Size of the unescaped string content.
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         @return Size of the unescaped string content.
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    */
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    */
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    std::size_t
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    std::size_t
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    unescaped_size() const noexcept
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    unescaped_size() const noexcept
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    {
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    {
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        return n_;
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        return n_;
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    }
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    }
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};
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};
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} // http
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} // http
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} // boost
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} // boost
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#endif
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#endif