SpeechCore.h

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/* ========================================================================
 * Copyright (c) 2006,
 * Institute for Computer Graphics and Vision
 * Graz University of Technology
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 * Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
 *
 * Redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution.
 *
 * Neither the name of the Graz University of Technology nor the names of
 * its contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT OWNER
 * OR CONTRIBUTORS 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.
 * ========================================================================
 * PROJECT: OpenTracker
 * ======================================================================== */
/* ======================================================================= */



#if !defined(__SPEECHCORE_H)
#define __SPEECHCORE_H

#include "../OpenTracker.h"

#include "SpeechDef.h"
#include "SpeechSet.h"

#ifndef OT_NO_SPEECH_SUPPORT


namespace ot {

    class SpeechCoreBase
    {
        // protected static data members
    protected:
        static DWORD s_GrammarId;               


        // protected data members
    protected:
        bool m_Initialized;                     

        unsigned m_NextRuleId;                     
        std::vector<SpeechSetBase*> m_SpeechSets;  


        // protected init & destroy methods
    protected:
        virtual void Initialize(void)
        {
            m_Initialized = false;
            m_NextRuleId = 1;
        };

    public:
        virtual void Destroy(void)
        {
            try
            {
                for(int i = m_SpeechSets.size() - 1; i >= 0; --i)
                    delete(m_SpeechSets[i]);
                m_SpeechSets.clear();
            }
            catch(...) {}
            m_Initialized = false;
        };

        // constructor & destructor
    public:
        SpeechCoreBase()
        {
            Initialize();
        }

        virtual ~SpeechCoreBase()
        {
            Destroy();
        }


        // public methods
    public:
        virtual void Init(void)
        {
            Destroy();
            Initialize();
            m_Initialized = true;
        };


        virtual SpeechSetBase * GetSpeechSet(const char *p_Name, bool p_Create = true);

        virtual SpeechSetBase* GetSpeechSet(DWORD p_Id);


        virtual void RemoveSpeechSet(const char *p_Name);

        virtual void RemoveSpeechSet(DWORD p_Id);


        virtual SpeechSetBase* FindSpeechSet(const char *p_Command, bool p_Active = true);

        virtual SpeechSetBase* FindSpeechSet(DWORD p_CommandId, bool p_Active = true);

        virtual bool ProcessRecognitionPoll()
        {
            return false;
        };

        friend class SpeechSetBase;
    };

} // namespace ot

#ifdef USE_SAPISPEECH

#include "SpeechInc.h"

namespace ot {

    class CSpeechCore : public SpeechCoreBase
    {
        // protected static data members
    protected:
        static DWORD s_GrammarId;               


        // protected data members
    protected:
        bool m_Initialized;                     

        CComPtr<ISpRecognizer>  m_RecoEngine;   
        CComPtr<ISpRecoContext> m_RecoCtxt;     
        CComPtr<ISpRecoGrammar> m_CmdGrammar;   

        DWORD m_NextRuleId;                     
        std::vector<CSpeechSet*> m_SpeechSets;  


        // protected init & destroy methods
    protected:
        void Initialize();    
    public:
        void Destroy();       


        // constructor & destructor
    public:
        CSpeechCore()
        {
            Initialize();
        }

        virtual ~CSpeechCore()
        {
            Destroy();
        }


        // public methods
    public:  

        void Init(void)
        {
            Init(MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT));
        };

        void Init(LANGID p_LanguageId = MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT));


        SpeechSetBase* GetSpeechSet(const char *p_Name, bool p_Create = true);

        SpeechSetBase* GetSpeechSet(DWORD p_Id);


        void RemoveSpeechSet(const char *p_Name);

        void RemoveSpeechSet(DWORD p_Id);


        SpeechSetBase* FindSpeechSet(const char *p_Command, bool p_Active = true);

        SpeechSetBase* FindSpeechSet(DWORD p_CommandId, bool p_Active = true);


        void NotifyWindowMessage(HWND p_hWnd, UINT p_Msg = WM_USER+1, WPARAM p_wParam = 0, LPARAM p_lParam = 0);

        bool ProcessRecognitionPoll();

        bool GetReco(std::string &p_Result, std::string &p_SpeechSet);


    public:
        static void StrToWide(const char *p_String, std::wstring &p_WideString);
        static void WideToStr(const WCHAR *p_WideString, std::string &p_String);



        friend class CSpeechSet;
    };

} // namespace ot

#endif //#ifdef USE_SAPISPEECH


#endif // OT_NO_SPEECH_SUPPORT


#endif //#if !defined(__SPEECHCORE_H)

/* 
 * ------------------------------------------------------------
 *   End of SpeechCore.h
 * ------------------------------------------------------------
 *   Automatic Emacs configuration follows.
 *   Local Variables:
 *   mode:c++
 *   c-basic-offset: 4
 *   eval: (c-set-offset 'substatement-open 0)
 *   eval: (c-set-offset 'case-label '+)
 *   eval: (c-set-offset 'statement 'c-lineup-runin-statements)
 *   eval: (setq indent-tabs-mode nil)
 *   End:
 * ------------------------------------------------------------ 
 */

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