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Copy pathroute_entry.hpp
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69 lines (57 loc) · 2.62 KB
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/*
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_