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//
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//
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// Copyright (c) 2025 Mohammad Nejati
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// Copyright (c) 2025 Mohammad Nejati
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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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#include <boost/http/response_base.hpp>
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#include <boost/http/response_base.hpp>
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#include <cstring>
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#include <cstring>
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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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void
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void
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response_base::
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response_base::
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set_start_line_impl(
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set_start_line_impl(
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    http::status sc,
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    http::status sc,
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    unsigned short si,
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    unsigned short si,
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    core::string_view rs,
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    core::string_view rs,
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    http::version v)
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    http::version v)
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{
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{
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    // TODO: check validity
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    // TODO: check validity
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    auto const vs = to_string(v);
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    auto const vs = to_string(v);
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    auto const new_prefix =
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    auto const new_prefix =
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        vs.size() + 1 + // HTTP-version SP
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        vs.size() + 1 + // HTTP-version SP
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        3 + 1 +         // status-code SP
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        3 + 1 +         // status-code SP
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        rs.size() + 2;  // reason-phrase CRLF
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        rs.size() + 2;  // reason-phrase CRLF
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    // Introduce a new scope so that prefix_op's
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    // Introduce a new scope so that prefix_op's
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    // destructor runs before h_.on_start_line().
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    // destructor runs before h_.on_start_line().
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    {
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    {
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        auto op = prefix_op_t(*this, new_prefix, &rs);
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        auto op = prefix_op_t(*this, new_prefix, &rs);
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        char* dest = h_.buf;
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        char* dest = h_.buf;
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        h_.version = v;
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        h_.version = v;
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        vs.copy(dest, vs.size());
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        vs.copy(dest, vs.size());
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        dest += vs.size();
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        dest += vs.size();
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        *dest++ = ' ';
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        *dest++ = ' ';
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        h_.res.status = sc;
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        h_.res.status = sc;
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        h_.res.status_int = si;
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        h_.res.status_int = si;
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        dest[0] = '0' + ((h_.res.status_int / 100) % 10);
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        dest[0] = '0' + ((h_.res.status_int / 100) % 10);
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        dest[1] = '0' + ((h_.res.status_int /  10) % 10);
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        dest[1] = '0' + ((h_.res.status_int /  10) % 10);
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        dest[2] = '0' + ((h_.res.status_int /   1) % 10);
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        dest[2] = '0' + ((h_.res.status_int /   1) % 10);
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        dest[3] = ' ';
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        dest[3] = ' ';
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        dest += 4;
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        dest += 4;
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        std::memmove(dest, rs.data(), rs.size());
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        std::memmove(dest, rs.data(), rs.size());
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        dest += rs.size();
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        dest += rs.size();
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        dest[0] = '\r';
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        dest[0] = '\r';
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        dest[1] = '\n';
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        dest[1] = '\n';
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    }
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    }
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    h_.on_start_line();
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    h_.on_start_line();
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}
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}
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void
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void
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response_base::
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response_base::
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set_version(
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set_version(
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    http::version v)
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    http::version v)
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{
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{
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    if(v == h_.version)
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    if(v == h_.version)
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        return;
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        return;
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    if(h_.is_default())
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    if(h_.is_default())
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    {
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    {
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        auto def = h_.get_default(detail::kind::response);
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        auto def = h_.get_default(detail::kind::response);
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        return set_start_line_impl(
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        return set_start_line_impl(
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            def->res.status, def->res.status_int,
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            def->res.status, def->res.status_int,
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            core::string_view(
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            core::string_view(
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                def->cbuf + 13, def->prefix - 15), v);
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                def->cbuf + 13, def->prefix - 15), v);
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    }
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    }
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    // Introduce a new scope so that prefix_op's
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    // Introduce a new scope so that prefix_op's
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    // destructor runs before h_.on_start_line().
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    // destructor runs before h_.on_start_line().
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    {
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    {
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        auto op = prefix_op_t(
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        auto op = prefix_op_t(
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            *this, h_.prefix, nullptr);
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            *this, h_.prefix, nullptr);
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        char* dest = h_.buf;
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        char* dest = h_.buf;
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        if(v == http::version::http_1_1)
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        if(v == http::version::http_1_1)
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            dest[7] = '1';
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            dest[7] = '1';
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        else
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        else
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            dest[7] = '0';
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            dest[7] = '0';
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        h_.version = v;
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        h_.version = v;
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    }
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    }
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    h_.on_start_line();
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    h_.on_start_line();
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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