135 lines
No EOL
4.6 KiB
C++
135 lines
No EOL
4.6 KiB
C++
// Ryzom - MMORPG Framework <http://dev.ryzom.com/projects/ryzom/>
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// Copyright (C) 2010 Winch Gate Property Limited
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#ifndef CHAR_FILTER_FACTORY_H
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#define CHAR_FILTER_FACTORY_H
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//-------------------------------------------------------------------------------------------------
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// includes
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//-------------------------------------------------------------------------------------------------
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#include "nel/misc/smart_ptr.h"
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#include "nel/misc/sstring.h"
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//-------------------------------------------------------------------------------------------------
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// forward class declarations
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//-------------------------------------------------------------------------------------------------
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class CStatsScanCharacter;
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//-------------------------------------------------------------------------------------------------
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// class ICharFilter
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//-------------------------------------------------------------------------------------------------
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class ICharFilter: public NLMISC::CRefCount
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{
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public:
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virtual ~ICharFilter() {}
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virtual std::string toString() const=0;
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virtual bool evaluate(const CStatsScanCharacter* c)=0;
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};
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//-------------------------------------------------------------------------------------------------
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// class ICharFilterBuilder
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//-------------------------------------------------------------------------------------------------
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class ICharFilterBuilder: public NLMISC::CRefCount
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{
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public:
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virtual ~ICharFilterBuilder() {}
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virtual const char* getName()=0;
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virtual const char* getDescription()=0;
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virtual ICharFilter* build(const std::string& rawArgs)=0;
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};
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//-------------------------------------------------------------------------------------------------
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// class CCharFilterFactory
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//-------------------------------------------------------------------------------------------------
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class CCharFilterFactory
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{
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public:
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static CCharFilterFactory* getInstance();
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public:
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// register an info extractor instance
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void registerFilter(NLMISC::CSmartPtr<ICharFilterBuilder> filter);
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// display the set of names and descriptions of info extractor instances
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void displayFilterList(NLMISC::CLog* log=NLMISC::InfoLog);
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// basic accessors for getting hold of the registered info extractors
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uint32 getFilterBuilderCount();
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ICharFilterBuilder* getFilterBuilder(uint32 idx);
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// the all important build method
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ICharFilter* build(const NLMISC::CSString& cmdLine);
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private:
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// this is a singleton so ctor is private
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CCharFilterFactory() {}
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typedef std::vector<NLMISC::CSmartPtr<ICharFilterBuilder> > TFilters;
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TFilters _Filters;
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};
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//-------------------------------------------------------------------------------------------------
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// class CFilterRegisterer
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//-------------------------------------------------------------------------------------------------
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template <class C>
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class CFilterRegisterer
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{
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public:
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CFilterRegisterer()
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{
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CCharFilterFactory::getInstance()->registerFilter(new C);
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}
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};
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//-------------------------------------------------------------------------------------------------
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// MACRO FILTER()
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//-------------------------------------------------------------------------------------------------
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#define FILTER(name,description)\
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class CFilter_##name: public ICharFilter\
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{\
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public:\
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CFilter_##name(const std::string& rawArgs) {_RawArgs=rawArgs;}\
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virtual std::string toString() const {return std::string(#name)+" "+_RawArgs;}\
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virtual bool evaluate(const CStatsScanCharacter* c);\
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private:\
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NLMISC::CSString _RawArgs;\
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};\
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class CFilterBuilder_##name: public ICharFilterBuilder\
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{\
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public:\
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virtual const char* getName() {return #name;}\
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virtual const char* getDescription() {return description;}\
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virtual ICharFilter* build(const std::string& rawArgs) {return new CFilter_##name(rawArgs);}\
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};\
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CFilterRegisterer<CFilterBuilder_##name> __Registerer_CFilter_##name;\
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bool CFilter_##name::evaluate(const CStatsScanCharacter* c)
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//-------------------------------------------------------------------------------------------------
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#endif |