94 lines
2.8 KiB
C++
94 lines
2.8 KiB
C++
/*
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Copyright (c) 2006-2015 by Jakob Schröter <js@camaya.net>
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This file is part of the gloox library. http://camaya.net/gloox
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This software is distributed under a license. The full license
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agreement can be found in the file LICENSE in this distribution.
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This software may not be copied, modified, sold or distributed
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other than expressed in the named license agreement.
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This software is distributed without any warranty.
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*/
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#ifndef STANZAEXTENSIONFACTORY_H__
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#define STANZAEXTENSIONFACTORY_H__
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#include "mutex.h"
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#include <list>
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namespace gloox
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{
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class Tag;
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class Stanza;
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class StanzaExtension;
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/**
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* @brief A Factory that creates StanzaExtensions from Tags.
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*
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* To supply a custom StanzaExtension, reimplement StanzaExtension's
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* virtuals and pass an instance to registerExtension().
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*
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* You should not need to use this class directly. Use ClientBase::registerStanzaExtension()
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* instead. See StanzaExtension for more information about adding protocol implementations
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* to gloox.
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*
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* @author Jakob Schröter <js@camaya.net>
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* @since 0.9
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*/
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class StanzaExtensionFactory
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{
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friend class ClientBase;
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public:
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/**
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* Use this function to inform StanzaExtensionFactory about available StanzaExtensions.
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* By default, StanzaExtensionFactory does not know about any extensions.
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* gloox-built-in extensions will usually be registered by their respective protocol
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* implementations unless otherwise noted in the extension's API docs.
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* @param ext An extension to register.
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* @note The supplied StanzaExtension will be deleted in StanzaExtensionFactory's destructor.
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* @note Only one instance per extension type can be registered. In case an extension is
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* registered that is of the same type as an already registered extension, the new extension
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* will replace the previously registered one.
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*/
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void registerExtension( StanzaExtension* ext );
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/**
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* Removes the given extension type.
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* @param ext The extension type.
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* @return @b True if the given type was found (and removed), @b false otherwise.
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*/
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bool removeExtension( int ext );
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/**
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* Creates a new StanzaExtensionFactory.
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*/
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StanzaExtensionFactory();
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/**
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* Non-virtual destructor.
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*/
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~StanzaExtensionFactory();
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/**
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* This function creates StanzaExtensions from the given Tag and attaches them to the given Stanza.
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* @param stanza The Stanza to attach the extensions to.
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* @param tag The Tag to parse and create the StanzaExtension from.
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*/
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void addExtensions( Stanza& stanza, Tag* tag );
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private:
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typedef std::list<StanzaExtension*> SEList;
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SEList m_extensions;
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util::Mutex m_extensionsMutex;
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};
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}
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#endif // STANZAEXTENSIONFACTORY_H__
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