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construct/include/ircd/resource/resource.h

101 lines
2.4 KiB
C++

// Matrix Construct
//
// Copyright (C) Matrix Construct Developers, Authors & Contributors
// Copyright (C) 2016-2019 Jason Volk <jason@zemos.net>
//
// Permission to use, copy, modify, and/or distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice is present in all copies. The
// full license for this software is available in the LICENSE file.
#pragma once
#define HAVE_IRCD_RESOURCE_RESOURCE_H
namespace ircd
{
struct client;
struct resource;
}
/// The target of an HTTP request specified by clients with a path.
///
struct ircd::resource
:instance_map<string_view, resource, iless>
{
IRCD_EXCEPTION(ircd::error, error)
enum flag :uint;
struct opts;
struct method;
struct request;
struct response;
struct redirect;
static log::log log;
string_view path;
std::unique_ptr<const struct opts> opts;
std::map<string_view, method *> methods;
std::unique_ptr<method> default_method_head;
std::unique_ptr<method> default_method_options;
private:
using method_closure = std::function<bool (const method &)>;
string_view method_list(const mutable_buffer &buf, const method_closure &) const;
string_view method_list(const mutable_buffer &buf) const;
response handle_options(client &, const request &) const;
response handle_head(client &, const request &) const;
public:
method &operator[](const string_view &name) const;
virtual resource &route(const string_view &path) const;
virtual string_view params(const string_view &path) const;
resource(const string_view &path, struct opts);
resource(const string_view &path);
resource(resource &&) = delete;
resource(const resource &) = delete;
virtual ~resource() noexcept;
static resource &find(const string_view &path);
};
template<>
decltype(ircd::resource::map)
ircd::instance_map<ircd::string_view, ircd::resource, ircd::iless>::map;
#include "method.h"
#include "request.h"
#include "response.h"
#include "redirect.h"
enum ircd::resource::flag
:uint
{
DIRECTORY = 0x01,
OVERRIDE_HEAD = 0x02,
OVERRIDE_OPTIONS = 0x04,
};
struct ircd::resource::opts
{
/// developer's literal description of the resource
string_view description
{
"no description"
};
/// flags for the resource
flag flags
{
flag(0)
};
/// parameter count limits (DIRECTORY only)
std::pair<short, short> parc
{
0, // minimum params
15 // maximum params
};
};