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construct/include/ircd/resource.h
2017-03-13 18:44:08 -07:00

105 lines
2.8 KiB
C++

/*
* Copyright (C) 2016 Charybdis Development Team
* Copyright (C) 2016 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#define HAVE_IRCD_RESOURCE_H
namespace ircd {
struct resource
{
IRCD_EXCEPTION(ircd::error, error)
IRCD_EXCEPTION(error, not_found)
IRCD_EXCEPTION(error, already_exists)
struct member;
struct method;
struct request;
struct response;
static std::map<string_view, resource *> resources;
const char *const name;
const char *const description;
std::map<string_view, method *> methods;
protected:
decltype(resources)::const_iterator resources_it;
public:
void operator()(client &, parse::capstan &, const http::request::head &) const;
resource(const char *const &name,
const char *const &description = "");
virtual ~resource() noexcept;
};
struct resource::response
{
response(client &, const json::doc &doc, const http::code &code = http::OK);
response(client &, const json::obj &obj, const http::code &code = http::OK);
response() = default;
~response() noexcept;
};
struct resource::request
{
const http::request::head &head;
http::request::content &content;
};
struct resource::method
:std::function<response (client &, request &)>
{
using handler = std::function<response (client &, request &)>;
protected:
public:
const char *const name;
struct resource *resource;
decltype(resource::methods)::const_iterator methods_it;
std::map<string_view, member *> members;
public:
method(struct resource &,
const char *const &name,
const handler &,
const std::initializer_list<member *> & = {});
~method() noexcept;
};
struct resource::member
{
IRCD_EXCEPTION(resource::error, error)
using validator = std::function<void (const string_view &)>;
const char *name;
enum json::type type;
validator valid;
member(const char *const &name, const enum json::type &, validator = {});
};
} // namespace ircd