OgreStringInterface.h

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/*
-----------------------------------------------------------------------------
This source file is part of OGRE
    (Object-oriented Graphics Rendering Engine)
For the latest info, see http://www.ogre3d.org/

Copyright (c) 2000-2005 The OGRE Team
Also see acknowledgements in Readme.html

This program is free software; you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License as published by the Free Software
Foundation; either version 2 of the License, or (at your option) any later
version.

This program is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License along with
this program; if not, write to the Free Software Foundation, Inc., 59 Temple
Place - Suite 330, Boston, MA 02111-1307, USA, or go to
http://www.gnu.org/copyleft/lesser.txt.
-----------------------------------------------------------------------------
*/

#ifndef __StringInterface_H__
#define __StringInterface_H__

#include "OgrePrerequisites.h"
#include "OgreString.h"
#include "OgreCommon.h"

namespace Ogre {


    enum ParameterType
    {
        PT_BOOL,
        PT_REAL,
        PT_INT,
        PT_UNSIGNED_INT,
        PT_SHORT,
        PT_UNSIGNED_SHORT,
        PT_LONG,
        PT_UNSIGNED_LONG,
        PT_STRING,
        PT_VECTOR3,
        PT_MATRIX3,
        PT_MATRIX4,
        PT_QUATERNION,
        PT_COLOURVALUE
    };

    class _OgreExport ParameterDef
    {
    public:
        String name;
        String description;
        ParameterType paramType;
        ParameterDef(const String& newName, const String& newDescription, ParameterType newType)
            : name(newName), description(newDescription), paramType(newType) {}
    };
    typedef std::vector<ParameterDef> ParameterList;

    class _OgreExport ParamCommand
    {
    public:
        virtual String doGet(const void* target) const = 0;
        virtual void doSet(void* target, const String& val) = 0;

        virtual ~ParamCommand() { }
    };
    typedef std::map<String, ParamCommand* > ParamCommandMap;

    class _OgreExport ParamDictionary
    {
        friend class StringInterface;
    protected:
        ParameterList mParamDefs;

        ParamCommandMap mParamCommands;

        ParamCommand* getParamCommand(const String& name)
        {
            ParamCommandMap::iterator i = mParamCommands.find(name);
            if (i != mParamCommands.end())
            {
                return i->second;
            }
            else
            {
                return 0;
            }
        }

        const ParamCommand* getParamCommand(const String& name) const
        {
            ParamCommandMap::const_iterator i = mParamCommands.find(name);
            if (i != mParamCommands.end())
            {
                return i->second;
            }
            else
            {
                return 0;
            }
        }
    public:
        ParamDictionary()  {}
        void addParameter(const ParameterDef& paramDef, ParamCommand* paramCmd)
        {
            mParamDefs.push_back(paramDef);
            mParamCommands[paramDef.name] = paramCmd;
        }
        const ParameterList& getParameters(void) const
        {
            return mParamDefs;
        }



    };
    typedef std::map<String, ParamDictionary> ParamDictionaryMap;
    
    class _OgreExport StringInterface 
    {
    protected:

        static ParamDictionaryMap msDictionary;

        String mParamDictName;

        bool createParamDictionary(const String& className)
        {
            mParamDictName = className;
            if (msDictionary.find(className) == msDictionary.end())
            {
                msDictionary[className] = ParamDictionary();
                return true;
            }
            return false;

        }

    public:

        virtual ~StringInterface() {}

        ParamDictionary* getParamDictionary(void)
        {
            ParamDictionaryMap::iterator i = msDictionary.find(mParamDictName);
            if (i != msDictionary.end())
            {
                return &(i->second);
            }
            else
            {
                return 0;
            }
        }

        const ParamDictionary* getParamDictionary(void) const
        {
            ParamDictionaryMap::const_iterator i = msDictionary.find(mParamDictName);
            if (i != msDictionary.end())
            {
                return &(i->second);
            }
            else
            {
                return 0;
            }
        }

        const ParameterList& getParameters(void) const;

        virtual bool setParameter(const String& name, const String& value);
        virtual void setParameterList(const NameValuePairList& paramList);
        virtual String getParameter(const String& name) const
        {
            // Get dictionary
            const ParamDictionary* dict = getParamDictionary();

            if (dict)
            {
                // Look up command object
                const ParamCommand* cmd = dict->getParamCommand(name);

                if (cmd)
                {
                    return cmd->doGet(this);
                }
            }

            // Fallback
            return "";
        }
        virtual void copyParametersTo(StringInterface* dest) const
        {
            // Get dictionary
            const ParamDictionary* dict = getParamDictionary();

            if (dict)
            {
                // Iterate through own parameters
                ParameterList::const_iterator i;
            
                for (i = dict->mParamDefs.begin(); 
                i != dict->mParamDefs.end(); ++i)
                {
                    dest->setParameter(i->name, getParameter(i->name));
                }
            }


        }

        static void cleanupDictionary () ;

    };



}

#endif

---

Copyright © 2000-2005 by The OGRE Team

This work is licensed under a Creative Commons Attribution-ShareAlike 2.5 License.
Last modified Sun Feb 12 12:59:53 2006