C++ TFileName::ZeroTerminate方法代码示例

/*============================================================================

  Description: See documentation for standard C library fopen

  ==========================================================================*/
ChEXPORT SYMBIAN_FILE* symbian_fopen( const char* in_name, const char* in_mode)
{
    ChUINT4       i =     0;
    TFileName*    pName = ChNEW TFileName;
    CleanupStack::PushL(pName);
    TFileName*    pMode = ChNEW TFileName;
    CleanupStack::PushL(pMode);
    SYMBIAN_FILE* result = NULL;

    for (i = 0; i < strlen(in_name); i++)
    {
        pName->Append(in_name[i]);
    }
    pName->ZeroTerminate();

    for (i = 0; i < strlen(in_mode); i++)
    {
        pMode->Append(in_mode[i]);
    }
    pMode->ZeroTerminate();

    result = symbian_wfopen((wchar_t*)pName->Ptr(), (wchar_t*)pMode->Ptr());
    
    CleanupStack::PopAndDestroy(pMode);
    CleanupStack::PopAndDestroy(pName);
    
    return result;
}

void CBCTestPtiEngine::TestInfoL()
    {
    TBuf<16> msg;
    msg.Format(_L("num of lan: %d"), iEngine->NumberOfLanguages());
    msg.ZeroTerminate();
    AssertTrueL(iEngine->NumberOfLanguages()>0, msg);

    if (iEngine->InputMode() == EPtiEngineMultitapping)
        {
        AssertTrueL(ETrue, _L("input mode is Multitapping"));
        }
    else
        {
        AssertTrueL(ETrue, _L("input mode is Predictive"));
        }

    // localized language name
    TFileName localName;
    iEngine->GetLocalizedLanguageName(31, localName); //31 is chinese?
    localName.ZeroTerminate();
    AssertTrueL(ETrue, localName);

    //observer
    MPtiObserver* obs = iEngine->Observer();
    AssertTrueL(ETrue, _L("observer got"));
    iEngine->SetObserver(obs);
    AssertTrueL(ETrue, _L("observer set"));
    }

void CFileEngine::CreateFolder(const TDesC& aPath)
{
	if (aPath.Length() > 0)
	{
		TFileName newFolderPath;
		newFolderPath.Append( *iParentFolderName );
		newFolderPath.Append(aPath);
		newFolderPath.Append( _L("\\") );
		newFolderPath.ZeroTerminate();

		RFs& fs = CEikonEnv::Static()->FsSession();
		TInt aError = fs.MkDir( newFolderPath );
		if ( KErrNone == aError )
		{
			if(iObserver)
			{
				iObserver->Update(0);
			}
		}
		else	//创建失败
		{
			iControlFactory.CreateTipDialog(iMainEngine.GetDesById(ETurkeyTextRes_CreateFolderFailed),*this,ECmdNull);
		}
		delete iParentFolderName;
		iParentFolderName = NULL;
	}
	else
	{
		iControlFactory.CreateInputTextDialog(*this,iMainEngine.GetDesById(ETurkeyTextRes_InputFolderName),iMainEngine.GetDesById(ETurkeyTextRes_InputNull),ECmdCreateFolder);
	}
}

void CBCTestPtiEngine::TestSpellL()
    {
    TBuf<8> spell;
    TInt err=iEngine->GetSpelling(0x7684, spell, EPtiPinyin);
    if(err==KErrNotSupported)
        {
        AssertTrueL(ETrue, _L("get spelling not support"));
        }
    else if(err==KErrNone)
        {
        spell.ZeroTerminate();
        AssertTrueL(ETrue, spell);
        }
    else
        {
        AssertTrueL(ETrue, _L("get spelling failuer"));
        }

    //phonetic
    iEngine->ClearCurrentWord();
    SimuInput(iEngine, _L("wei"));
    TInt number = iEngine->PhoneticSpellingCount();
    TFileName msg;
    msg.Format(_L("phonetic spelling count: %d"), number);
    msg.ZeroTerminate();
    AssertTrueL(ETrue, msg);

    spell=iEngine->GetPhoneticSpelling(0);
    AssertTrueL(ETrue, _L("get phonetic spelling for 0"));

    TBool result = iEngine->SelectPhoneticSpelling(0);
    AssertTrueL(ETrue, _L("select phonetic spelling for 0"));

    number = iEngine->SelectedPhoneticSpelling();
    msg.Format(_L("selected phonetic spelling: %d"), number);
    msg.ZeroTerminate();
    AssertTrueL(ETrue, msg);

    CDesCArray* array = new (ELeave) CDesCArrayFlat(16);
    CleanupStack::PushL(array);
    iEngine->GetPhoneticSpellingsL(*array);
    AssertTrueL(ETrue, _L("phonetic spellings got"));
    CleanupStack::PopAndDestroy();  //array
    }

// -----------------------------------------------------------------------------
// CMccFileSourceImpl::OpenFileL(TFileName aFileName)
//
// Opens a 3gp file for streaming and reads media descriptions into
// member variables
// -----------------------------------------------------------------------------
//
void CMccFileSourceImpl::OpenFileL( TFileName aFileName, TBool aFileChangeMode )
    {
    __FILESOURCE_CONTROLL( "CMccFileSourceImpl::OpenFileL" )
    
    TCurrentState oldState = iCurrentState;
    
    // Close old file (if exists)
    CloseFileL( aFileChangeMode );
  
    aFileName.ZeroTerminate();

    TRAPD( err, OpenFileForStreamingL( aFileName ) );
    if ( err )
        {
        if ( aFileChangeMode )
            {
            // Have to stop timers etc, since old file was closed
            // and the new file is unusable
            DoCleanupL( EFalse );
            }
        User::Leave( err );
        }
		
	this->SetFileName( aFileName );
	
	if ( oldState == EPlaying )
	    {
	    // Continue playing with new file
	    iCurrentState = EPrimed;
	    SourcePlayL( ETrue, aFileChangeMode );
	    }
	else
	    {
	    // Keep old state
	    iCurrentState = oldState;
	    }

    __FILESOURCE_CONTROLL( "CMccFileSourceImpl::OpenFile, exit" )
    }

void CBCTestPtiEngine::TestChineseInputL()
    {
    TeardownL();

    if((iEngine = CreateEngineL(ELangPrcChinese, EPtiEngineStroke))!=NULL)
        {
        AssertNotNullL(iEngine, _L("Chinese Pinyin activated"));
        SimuInput(iEngine, _L("wei"));

        int page=0;
        iEngine->SetCandidatePageLength(20);
        AssertTrueL(ETrue, _L("page length set to 20"));
        for(TPtrC str=iEngine->CandidatePage();
                iEngine->MoreCandidatePages();
                iEngine->NextCandidatePage())
            {
            TFileName res;
            res.Format(_L("page[%d]: "), page++);
            for(int j=0; j<str.Length(); ++j)
                {
                res.Append(_L("<"));
                res.AppendNumUC(str[j], EHex);
                res.Append(_L(">"));
                }
            res.ZeroTerminate();
            AssertTrueL(ETrue, res);

            if(page>10)
                {
                break;
                }
            }//end of for

        //predict
        iEngine->PreviousCandidatePage();
        TPtrC aChar=iEngine->CandidatePage();
        iEngine->SetPredictiveChineseChar(aChar);
        AssertTrueL(ETrue, _L("next chinese char predicted"));

        //test next candidate list
        iEngine->CommitCurrentWord();
        CDesCArray* cands = new (ELeave) CDesCArrayFlat(16);
        CleanupStack::PushL(cands);

        TRAPD(err, iEngine->GetNextWordCandidateListL(*cands));
        if(err == KErrNotSupported)
            {
            AssertTrueL(ETrue, _L("predict next candidate not supported"));
            }
        else{
            TFileName msg=_L("candidates: ");
            for (int i = 0; i < cands->Count(); ++i)
            {
                msg.Append(cands->MdcaPoint(i));
                msg.Append(_L(", "));
            }
            msg.ZeroTerminate();
            AssertTrueL(ETrue, msg);
            }
        CleanupStack::PopAndDestroy();  // cands

        //test conversion
        TInt convCap=iEngine->AvailableCharConversions();
        if((convCap & EPtiSimplifiedToComplex)!=0)
            {
            AssertTrueL(ETrue, _L("can convert from simplified chinese to traditional"));
            }
        else
            {
            AssertIntL(0, convCap, _L("conv capability:"));
            }
        char inbuf[]={0x76, 0x84};
        char outbuf[]={0,0};
        iEngine->CharConversion(EPtiSimplifiedToComplex, inbuf, 2, outbuf);
        AssertTrueL(ETrue, _L("tried char conversion"));

        //Chinese Varient
        RArray<TInt> modes;
        iEngine->GetModeNameIndexL(EPtiChineseVariantPrc, modes);
        AssertTrueL(ETrue, _L("Chinese varient index table got"));
        modes.Close();

        //phrase list
        iEngine->ClearCurrentWord();
        SimuInput(iEngine, _L("wei"));
        cands = new (ELeave) CDesCArrayFlat(16);
        CleanupStack::PushL(cands);
        iEngine->GetChinesePhraseCandidatesL(*cands);
        AssertTrueL(ETrue, _L("Chinese phrase candidate list got"));
        CleanupStack::PopAndDestroy();  //cands

        TestSpellL();
        TestDictL();// test Pinyin dict.
        }
    else
        {
        AssertTrueL(ETrue, _L("unable to activate Chinese Pinyin"));
        if ( iEngine == NULL )
            {
            SetupL();
//.........这里部分代码省略.........

void CBCTestPtiEngine::TestDictL()
    {
    CDesCArrayFlat* words = new (ELeave) CDesCArrayFlat(5);
    CleanupStack::PushL( words );
    words->AppendL(_L("lorem"));
    words->AppendL(_L("ipsum"));
    words->AppendL(_L("dolor"));
    words->AppendL(_L("sit"));
    words->AppendL(_L("amet"));

    TBuf<50> filename(_L("C:\\BCTestLog\\TestUserDict.txt"));
    AssertIntL(KErrNotSupported,
        iEngine->CreateUserDictionaryL(filename, words, EPtiEngineWordCompletion),
        _L("user dict created isn't supported"));

    CleanupStack::PopAndDestroy();  //words


	TInt err;
    //attach
    MPtiUserDictionary* dict = iEngine->AttachUserDictionaryL(filename);
    if(dict)
        {
        AssertTrueL(ETrue, _L("user dict attached"));
        }
    else
        {
        AssertTrueL(ETrue, _L("user dict attached failure"));
        }

    //detach
    if(iEngine->DetachUserDictionary(filename) == KErrNone)
        {
        AssertTrueL(ETrue, _L("user dict detach"));
        }
    else
        {
        AssertTrueL(ETrue, _L("User dict detach failure"));
        }

    if(iEngine->DetachUserDictionary(0) == KErrNone)
        {
        AssertTrueL(ETrue, _L("user dict detach by ID"));
        }
    else
        {
        AssertTrueL(ETrue, _L("User dict detach by ID failure"));
        }

    //entry
    TFileName msg;
    TPtiUserDictionaryEntry entry(_L("foobar"));

    TInt number = iEngine->NumberOfEntriesInUserDictionary();
    if(number == KErrNotSupported)
        {
        AssertTrueL(ETrue, _L("user dict doesn't support entry"));
        }
    else
        {
        msg.Format(_L("total %d entries"), number);
        AssertTrueL(ETrue, msg);
        }

    err=iEngine->AddUserDictionaryEntry(entry);
    msg.Format(_L("add entry returns: %d"), err);
    msg.ZeroTerminate();
    AssertTrueL(ETrue, msg);

    err=iEngine->AddUserDictionaryEntry(entry, 0);
    msg.Format(_L("add entry with ID 0 returns: %d"), err);
    msg.ZeroTerminate();
    AssertTrueL(ETrue, msg);

    err=iEngine->RemoveEntryFromUserDictionary(entry);
    msg.Format(_L("remove entry returns: %d"), err);
    msg.ZeroTerminate();
    AssertTrueL(ETrue, msg);

    err=iEngine->RemoveEntryFromUserDictionary(entry, 0);
    msg.Format(_L("remove entry with ID 0 returns: %d"), err);
    msg.ZeroTerminate();
    AssertTrueL(ETrue, msg);

    err = iEngine->GetUserDictionaryEntry(0, entry);
    msg.Format(_L("get first entry returns: %d"), err);
    msg.ZeroTerminate();
    AssertTrueL(ETrue, msg);

    dict = iEngine->DefaultUserDictionary(EPtiEnginePinyin);
    if(dict)
        {
        AssertNotNullL(dict, _L("dict for Pinyin found"));
        }
    else
        {
        AssertTrueL(ETrue, _L("dict for Pinyin not found"));
        }
    }

void CFileExecuter::OpenFileByDefault(TFileName aFileName)
{
	if (::FileIsExist(aFileName)==1)
	{
		iFileName.Zero ();
		iFileName.Append(aFileName);

		TInt i = aFileName.LocateReverseF('.');
		if(i<0)
		{
			iMainEngine.ControlFactory().CreateTipDialog(iMainEngine.GetDesById(ETurkeyTextRes_FileTypeNotSupport),*this,0);
			return;
		}
		TFileName nFileExt = aFileName.Right( aFileName.Length() - i - 1 );
		nFileExt.ZeroTerminate();
		
		iMainEngine.WriteLog16(nFileExt);

		TFileName nAssociatedApp;

		TBool nIsFindApp = GetAssociatedApp( nFileExt, nAssociatedApp );
		if ( nIsFindApp == true)
		{	
			if (nAssociatedApp.Find(KDefaultAppPath)!=KErrNotFound)
			{
				OpenFileBySystemDefaultL(aFileName);
			}
			else if ( nAssociatedApp.FindF( KCoCoAppPath )!=KErrNotFound)
			{
				//使用内部模块打开
				OpenFileByInternal(aFileName);
			}
			else 
			{
				OpenFileByApp(nAssociatedApp,aFileName);
			}
		}
		else
		{
			//如果没有默认的打开方式
			TInt nType=ParseExPathNum(aFileName);

			#ifdef __SERIES60_3X__
			if(nType==0 || nType==1 || nType==2 || nType==3)
			#else
			if(nType==0 || nType==1 || nType==2 || nType==3 || nType==4)
			#endif
			{
				//使用内部模块打开
				OpenFileByInternal(aFileName);
			}
			else
			{
				//采用系统默认方式打开
				OpenFileBySystemDefaultL(aFileName);
			}
		}
	}
	else
	{
		//提示用户文件不存在
		iMainEngine.ControlFactory().CreateTipDialog(iMainEngine.GetDesById(ETurkeyTextRes_FileNotExist),*this,0);
	}
}