/*
     This file is part of libhttpserver
     Copyright (C) 2011-2026 Sebastiano Merlino

     This library is free software; you can redistribute it and/or
     modify it under the terms of the GNU Lesser General Public
     License as published by the Free Software Foundation; either
     version 2.1 of the License, or (at your option) any later version.

     This library is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     Lesser General Public License for more details.

     You should have received a copy of the GNU Lesser General Public
     License along with this library; if not, write to the Free Software
     Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301
     USA
*/

// Route table value type.
//
// `route_entry` carries the method-set the entry covers, the handler
// (a shared_ptr to the http_resource serving the route), and a
// `is_prefix` flag that lets the route table distinguish exact-match
// registrations (register_path / on_*) from prefix-match
// registrations (register_prefix).
//
// The header is internal — only reachable when compiling libhttpserver
// itself (HTTPSERVER_COMPILATION is supplied via src/Makefile.am
// AM_CPPFLAGS, and via test/Makefile.am for the test TUs that need to
// pin the variant shape with static_assert). It must NOT be included
// from the public umbrella <httpserver.hpp>.
#if !defined(HTTPSERVER_COMPILATION)
#error "route_entry.hpp is internal; only reachable when compiling libhttpserver."
#endif

#ifndef SRC_HTTPSERVER_DETAIL_ROUTE_ENTRY_HPP_
#define SRC_HTTPSERVER_DETAIL_ROUTE_ENTRY_HPP_

#include <memory>

#include "httpserver/http_method.hpp"

namespace httpserver {
class http_resource;
}  // namespace httpserver

namespace httpserver {
namespace detail {

// route_entry: value type stored per route in the route
// table. The `methods` mask holds every HTTP method this entry serves;
// the `handler` payload is a shared_ptr to the http_resource serving
// the route — either a class-derived resource (for register_path /
// register_prefix registrations) or a lambda_resource shim
// (for on_* / route registrations, which wrap the user lambda in a
// lambda_resource owning one slot per HTTP method). `is_prefix`
// distinguishes prefix matching from exact matching at lookup time.
struct route_entry {
    method_set methods{};
    std::shared_ptr<::httpserver::http_resource> handler;
    bool is_prefix = false;
};

}  // namespace detail
}  // namespace httpserver

#endif  // SRC_HTTPSERVER_DETAIL_ROUTE_ENTRY_HPP_