// Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies).

// All rights reserved.

// This component and the accompanying materials are made available

// under the terms of the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members

// which accompanies this distribution, and is available

// at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".

//

// Initial Contributors:

// Nokia Corporation - initial contribution.

//

// Contributors:

//

// Description:

//

#ifndef __SPEECHRECOGNITIONDATADEVASR_H__

#define __SPEECHRECOGNITIONDATADEVASR_H__

//  INCLUDES

#include <mmf/common/speechrecognitiondatacommon.h>

// FORWARD DECLARATION

class TDiagnostic;

// CLASS DECLARATION

/**

@publishedAll

@released

Class to encapsulate a Speaker Dependent Rule.

@since 8.0

*/

class CSDRule : public CBase

{

public:// Constructors and destructor

	/**

    Destructor.

    */

	IMPORT_C ~CSDRule();

    /**

    Instantiates an instance of CSDRule.

	@param  aRuleID

			The rule identifier.

	@param  aLexiconID

	        The lexicon identifier.

	@param  aPronunciationID

	        The pronunciation identifier.

	@return A pointer to a CSDRule object.

    */

	IMPORT_C static CSDRule* NewL(TRuleID aRuleID, TLexiconID aLexiconID, TPronunciationID aPronunciationID);

	/**

    Instantiates an instance of CSDRule and leaves a pointer on the cleanup stack.

	@param  aRuleID

	        The rule identifier.

	@param  aLexiconID

	        The lexicon identifier.

	@param  aPronunciationID

	        The pronunciation identifier.

	@return A pointer to a CSDRule object.

	*/

	IMPORT_C static CSDRule* NewLC(TRuleID aRuleID, TLexiconID aLexiconID, TPronunciationID aPronunciationID);

	/**

	Returns the rule ID of the result.

	@return The rule identifier.

	@since 8.0

	*/

	IMPORT_C TRuleID RuleID() const;

	/**

	Returns the lexicon ID of the result.

	@return The lexicon identifier.

    @since 8.0

	*/

	IMPORT_C TLexiconID LexiconID() const;

	/**

	Returns the pronunciation ID of the result.

	@return The pronunciation identifier.

	@since 8.0

	*/

	IMPORT_C TPronunciationID PronunciationID() const;

private:

	void ConstructL();

	CSDRule(TRuleID aRuleID, TLexiconID aLexiconID, TPronunciationID aPronunciationID);

private:

	TRuleID iRuleID;

	TLexiconID iLexiconID;

	TPronunciationID iPronunciationID;

};

/**

@publishedAll

@released

Class to encapsulate a Speaker Dependent Grammar.

A grammar consists of a list of rules.

@since  8.0

*/

class CSDGrammar : public CBase

{

public:// Constructors and destructor

	/**

	Destructor.

	*/

	IMPORT_C ~CSDGrammar();

    /**

    Instantiates an instance of CSDGrammar.

	@param  aGrammarID

	        The grammar identifier.

	@return A pointer to a CSDGrammar object.

	*/

	IMPORT_C static CSDGrammar* NewL(TGrammarID aGrammarID);

	/**

	Instantiates an instance of CSDGrammar and leaves a pointer on the cleanup stack.

	@param  aGrammarID

	        The grammar identifier.

	@return A pointer to CSDGrammar object.

	*/

	IMPORT_C static CSDGrammar* NewLC(TGrammarID aGrammarID);

	/**

	Returns the grammar ID of the result.

	@return The grammar identifier.

	@since  8.0

	*/

	IMPORT_C TGrammarID GrammarID() const;

	/**

    Adds a rule to the grammar.

	@param  aRule

	        A reference to a CSDRule object.

	@return An error code indicating if the function call was successful. KErrNone on success, otherwise

	        another of the system-wide error codes.

	@since 8.0

	*/

	IMPORT_C TInt Add(CSDRule& aRule);

	/**

	Deletes a rule from the grammar.

	@param  aRuleID

	        The rule identifier to delete.

	@since  8.0

    */

	IMPORT_C void Delete(TRuleID aRuleID);

	/**

	Returns a rule based at an index.

	@param  aIndex

	        An index value. The value must not be negative and must not be greater than the number 

	        of rules currently in the grammar, otherwise the function will panic.

	@return A reference to a CSDRule object.

	@since  8.0

	*/

	IMPORT_C const CSDRule& At(TInt aIndex) const;

	/**

	Finds a rule in the grammar based on the rule ID.

	@param  aRuleID

	        The rule identifier.

	@return The index of the first matching rule within the grammar. Returns KErrNotFound, if a 

	        matching rule can not be found.

	@since  8.0

	*/

	IMPORT_C TInt FindRule(TRuleID aRuleID) const;

	/**

	Returns the number of rules in the grammar

	@return The number of rules.

	@since  8.0

	*/

	IMPORT_C TInt Count() const;

private:

	void ConstructL();

	CSDGrammar(TGrammarID aGrammarID);

private:

	TGrammarID iGrammarID;

	RPointerArray<CSDRule> iRuleArray;

};

/**

@publishedAll

@released

Class to encapsulate a Speaker Dependent Pronunciation.

@since  8.0

*/

class CSDPronunciation : public CBase

{

public:// Constructors and destructor

	/**

	Destructor.

	*/

	IMPORT_C ~CSDPronunciation();

	/**

    Instantiates an instance of CSDPronunciation.

	@param  aPronunciationID

	        The pronunciation identifier.

	@param  aModelBankID

	        The model bank identifier.

	@param  aPhonemeID

	        The phoneme identifier.

	@return A pointer to a CSDPronunciation object.

	*/

	IMPORT_C static CSDPronunciation* NewL(TPronunciationID aPronunciationID, TModelBankID aModelBankID, TPhonemeID aPhonemeID);

	/**

	Instantiates an instance of CSDPronunciation and leaves a pointer on the cleanup stack.

	@param  aPronunciationID

	        The pronunciation identifier.

	@param  aModelBankID

	        The model bank identifier.

	@param  aPhonemeID

	        The phoneme identifier.

	@return A pointer to a CSDPronunciation object.

	*/

	IMPORT_C static CSDPronunciation* NewLC(TPronunciationID aPronunciationID, TModelBankID aModelBankID, TPhonemeID aPhonemeID);

	/**

	Returns the pronunciation ID of this lexicon entry.

	@return The pronunciation identifier.

	@since  8.0

	*/

	IMPORT_C TPronunciationID PronunciationID() const;

	/**

	Returns the ID of the model bank.

	@return The model bank identifier.

	@since  8.0

	*/

	IMPORT_C TModelBankID ModelBankID() const;

	/**

	Returns the phoneme ID of this lexicon entry.

	@return The phoneme identifier.

	@since 8.0

	*/

	IMPORT_C TPhonemeID PhonemeID() const;

private:

	void ConstructL();

	CSDPronunciation(TPronunciationID aPronunciationID, TModelBankID aModelBankID, TPhonemeID aPhonemeID);

private:

	TPronunciationID iPronunciationID;

	TModelBankID iModelBankID;

	TPhonemeID iPhonemeID;

};

/**

@publishedAll

@released

Class to encapsulate a Speaker Dependent Lexicon.

@since 8.0

*/

class CSDLexicon : public CBase

{

public:// Constructors and destructor

	/**

    Destructor.

	*/

	IMPORT_C ~CSDLexicon();

	/**

	Instantiates an instance of CSDLexicon.

	@param  aLexiconID

	        The lexicon identifier.

	@return A pointer to a CSDLexicon object.

    */

	IMPORT_C static CSDLexicon* NewL(TLexiconID aLexiconID);

	/**

    Instantiates an instance of CSDGrammar and leaves a pointer on the cleanup stack.

	@param  aLexiconID

	        The lexicon identifier.

	@return A pointer to a CSDLexicon object.

	*/

	IMPORT_C static CSDLexicon* NewLC(TLexiconID aLexiconID);

	/**

	Returns the ID of the lexicon.

	@return The lexicon identifier.

	@since 8.0

	*/

	IMPORT_C TLexiconID LexiconID() const;

	/**

	Adds a lexicon entry to the lexicon.

	@param aPronunciation

	       A reference to a CSDPronunciation object.

	@return An error code indicating if the function call was successful. KErrNone on success, otherwise

	        another of the system-wide error codes.

	@since  8.0

	*/

	IMPORT_C TInt Add(CSDPronunciation& aPronunciation);

	/**

	Returns a pronunciation based at an index.

	@param  aIndex

	        The pronunciation index. This value must not be negative and must not be greater than 

	        the number of pronunciations currently in the lexicon, otherwise the function will 

	        panic.

	@return A reference to a CSDPronunciation object.

	@since  8.0

	*/

	IMPORT_C const CSDPronunciation& At(TInt aIndex) const;

	/**

	Finds a pronunciation based on the specified pronunciation ID.

	@param  aPronunciationID

	        The pronunciation identifier.

	@return The index of the first matching pronunciation within the lexicon. Returns KErrNotFound, 

	        if a matching pronunciation can not be found.

    */

	IMPORT_C TInt FindPronunciation(TPronunciationID aPronunciationID) const;

	/**

    Returns the number of lexicon entries in the lexicon.

	@return The number of pronunciations.

	@since  8.0

	*/

	IMPORT_C TInt Count() const;

private:

	void ConstructL();

	CSDLexicon(TLexiconID aLexiconID);

private:

	TLexiconID iLexiconID;

	RPointerArray<CSDPronunciation> iPronunciationArray;

};

/**

@publishedAll

@released

Class to encapsulate a Speaker Dependent Model created during the training process.

@since  8.0

*/

class CSDModel : public CBase

{

public:// Constructors and destructor

	/**

    Destructor.

	*/

	IMPORT_C ~CSDModel();

	/**

    Instantiates an instance of a CSDModel.

	@return A pointer to a CSDModel object.

	*/

	IMPORT_C static CSDModel* NewL();

	/**

    Instantiates an instance of a CSDModel.

	@return A pointer to a CSDModel object.

	*/

	IMPORT_C static CSDModel* NewLC();

	/**

    Instantiates an instance of a CSDModel.

	@param  aPhonemeID

	        The phoneme identifier.

	@return A pointer to a CSDModel object.

	*/

	IMPORT_C static CSDModel* NewL(TPhonemeID aPhonemeID);

	/**

    Instantiates an instance of a CSDModel.

	@param  aPhonemeID

	        The phoneme identifier.

	@return A pointer to a CSDModel object.

	*/

	IMPORT_C static CSDModel* NewLC(TPhonemeID aPhonemeID);

	/**

	Sets the phoneme ID of this model.

	@param aPhonemeID

	       The phoneme identifier.

	@since  8.0

	*/

	IMPORT_C void SetPhonemeID(TPhonemeID aPhonemeID);

	/**

    Returns the phoneme ID of this model.

	@return The phoneme identifier.

	@since  8.0

	*/

	IMPORT_C TPhonemeID PhonemeID() const;

	/**

	Sets the acoustic model of the model.

	@param  aAcousticModel

	        A pointer descriptor containing the acoustic model (binary).

    @since  8.0

	*/

	IMPORT_C void SetAcousticModel(TPtr8& aAcousticModel);

	/**

    Gets a pointer to the acoustic model of this model.

	@return A descriptor to the acoustic model data.

	@since  8.0

	*/

	IMPORT_C const TDesC8& AcousticModel() const;

private:

	void ConstructL();

	CSDModel();

	CSDModel(TPhonemeID aPhonemeID);

private:

	TPhonemeID iPhonemeID;

	TPtr8 iAcousticModelPtr;

};

/**

@publishedAll

@released

Class to encapsulate a Speaker Dependent Model Bank used by the recognizer during the

recognition process.

@since 8.0

*/

class CSDModelBank : public CBase

{

public:// Constructors and destructor

	/**