mirror of
https://github.com/inspircd/inspircd.git
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116 lines
2.8 KiB
C++
116 lines
2.8 KiB
C++
/*
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* InspIRCd -- Internet Relay Chat Daemon
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*
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* Copyright (C) 2013 Attila Molnar <attilamolnar@hush.com>
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* Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
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*
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* This file is part of InspIRCd. InspIRCd is free software: you can
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* redistribute it and/or modify it under the terms of the GNU General Public
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* License as published by the Free Software Foundation, version 2.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include "base.h"
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class CoreExport dynamic_reference_base : public interfacebase, public insp::intrusive_list_node<dynamic_reference_base>
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{
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public:
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class CaptureHook
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{
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public:
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/** Called when the target of the dynamic_reference has been acquired
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*/
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virtual void OnCapture() = 0;
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};
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private:
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std::string name;
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CaptureHook* hook;
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void resolve();
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protected:
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ServiceProvider* value;
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public:
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ModuleRef creator;
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dynamic_reference_base(Module* Creator, const std::string& Name);
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~dynamic_reference_base();
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inline const std::string& GetProvider() { return name; }
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void SetProvider(const std::string& newname);
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/** Set handler to call when the target object becomes available
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* @param h Handler to call
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*/
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void SetCaptureHook(CaptureHook* h) { hook = h; }
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void check();
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operator bool() { return (value != NULL); }
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static void reset_all();
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};
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inline void dynamic_reference_base::check()
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{
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if (!value)
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throw ModuleException("Dynamic reference to '" + name + "' failed to resolve");
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}
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template<typename T>
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class dynamic_reference : public dynamic_reference_base
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{
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public:
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dynamic_reference(Module* Creator, const std::string& Name)
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: dynamic_reference_base(Creator, Name) {}
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inline T* operator->()
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{
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check();
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return static_cast<T*>(value);
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}
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T* operator*()
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{
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return operator->();
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}
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};
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template<typename T>
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class dynamic_reference_nocheck : public dynamic_reference_base
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{
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public:
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dynamic_reference_nocheck(Module* Creator, const std::string& Name)
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: dynamic_reference_base(Creator, Name) {}
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T* operator->()
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{
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return static_cast<T*>(value);
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}
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T* operator*()
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{
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return operator->();
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}
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};
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class ModeHandler;
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class ChanModeReference : public dynamic_reference_nocheck<ModeHandler>
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{
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public:
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ChanModeReference(Module* mod, const std::string& modename)
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: dynamic_reference_nocheck<ModeHandler>(mod, "mode/" + modename) {}
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};
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class UserModeReference : public dynamic_reference_nocheck<ModeHandler>
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{
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public:
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UserModeReference(Module* mod, const std::string& modename)
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: dynamic_reference_nocheck<ModeHandler>(mod, "umode/" + modename) {}
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};
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