C++ TFileName::Find方法代码示例

/**
Validate that nobody is trying to touch the virus scanner files.

@internalComponent

@return A value depending on whethe the virus scanner files are
being fiddled with.

@param aDriveNum The drive number of the request which called into
the test virus scanning hook.

@param aName The full pathname of the file being accessed by the
request to the file server hook.
*/
TInt CTestVirusHook::ValidateRequest(TFsPluginRequest& aRequest, TFileName& aFileName)
	{
	TInt driveNumber = aRequest.DriveNumber();
	
	TInt err = GetName(&aRequest, aFileName);
	if(err != KErrNone)
		return(err);
	
	if (driveNumber == EDriveC)
		{
		TInt r = aFileName.Find(_L("\\virusdef.txt"));

		if (r != KErrNotFound)
			{
			//Do not allow the deletion of the virus definition file.
			return KErrAccessDenied;
			}

		r = aFileName.Find(_L("\\system\\libs\\t_vshook.pxt"));
		if (r != KErrNotFound)
			{
			//Do not allow the deletion of the this dll
			return KErrAccessDenied;
			}
		r = aFileName.Find(_L("\\sys\\bin\\t_vshook.pxt"));
		if (r != KErrNotFound)
			{
			//Do not allow the deletion of the this dll
			return KErrAccessDenied;
			}
		}
	return KErrNone;
	}

TInt E32Main()
	{
	TFileName cmdLine;
	User::CommandLine(cmdLine);

	TInt result = RProperty::Set(KFeaturePropCat, KFeaturePropKey, KNullDesC8);

	if (cmdLine.Find(KTestResultNone) >= 0)
		{
		// result should already be KErrNone if succeeded
		}
	else if (cmdLine.Find(KTestResultPermissionDenied) >= 0)
		{
		if (result == KErrPermissionDenied)
			{
			result = KErrNone;
			}
		else
			{
			result = KErrGeneral;
			}
		}
	else
		{
		result = KErrArgument;
		}

	return result;
	}

/**
@internalComponent
*/
TInt CTestVirusHook::VsDirRename(TFsPluginRequest& aRequest)
	{

	TFileName fileName;
	TInt err = GetName(&aRequest, fileName);
	if(err != KErrNone)
		return(err);
	
	err = fileName.Find(_L("\\system\\lib\\"));
	if (err != KErrNotFound)
		{
		//Don't allow sys\bin to be ever renamed
		return KErrAccessDenied;
		}
	err = fileName.Find(_L("\\sys\\bin\\"));
	if (err != KErrNotFound)
		{
		//Don't allow sys\bin to be ever renamed
		return KErrAccessDenied;
		}

	return err;
	}

TFileName CPixelMetricsMapperAppUi::CreateLayoutNameL(TFileText& aFileHandle) const
{
    aFileHandle.Seek(ESeekStart);
    // Layout data is deployed like this:
    // first line - height
    // second line - width
    TFileName lines;
    TFileName layoutName;

    TInt height = -666;
    TInt width = -666;
    // Collect name information.
    for (TInt i=0; i<6; i++)
        {
        User::LeaveIfError(aFileHandle.Read(lines));
        // Remove pixel metrics name and ":"
        lines = lines.Mid(lines.Find(KColon)+1);
        // Remove tab
        lines = lines.Mid(lines.Find(KTab)+1);
        TLex myLexer(lines);
        TInt error = KErrNone;
        if (i==0) //height is first
            {
            error = myLexer.Val(height);
            }
        if (i==1) //width is second
            {
            error = myLexer.Val(width);
            }
        User::LeaveIfError(error);
        }

    // Interpret results and write name to buffer.
    if ( (width == 240 && height == 320) ||
         (width == 320 && height == 240))
        {
        layoutName.Append(_L("QVGA "));
        }
    else if ( (width == 360 && height == 640) ||
         (width == 640 && height == 360))
        {
        layoutName.Append(_L("NHD "));
        }
    else if ( (width == 480 && height == 640) ||
         (width == 640 && height == 480))
        {
        layoutName.Append(_L("VGA "));
        }
    else if ( (width == 800 && height == 352) ||
         (width == 352 && height == 800))
        {
        layoutName.Append(_L("E90 "));
        }
    else if ( (width == 800 && height == 480) ||
         (width == 480 && height == 800) ||
         (width == 848 && height == 480) ||
         (width == 480 && height == 848) ||
         (width == 854 && height == 480) ||
         (width == 480 && height == 854))
        {
        layoutName.Append(_L("WVGA "));
        }
    else if ( (width == 480 && height == 320) ||
         (width == 320 && height == 480) ||
         (width == 640 && height == 240) ||
         (width == 240 && height == 640))
        {
        layoutName.Append(_L("HVGA "));
        }
    else
        {
        layoutName.Append(_L("Unknown "));
        layoutName.AppendNum(height);
        layoutName.Append(_L("x"));
        layoutName.AppendNum(width);
        }
    if (width > height)
        {
        layoutName.Append(_L("Landscape"));
        }
    else
        {
        layoutName.Append(_L("Portrait"));
        }
    return layoutName;
    }

void CPixelMetricsMapperAppUi::CreateHeaderFileL() const
    {
    // Open/create resulting file.
    RFile file;
    HBufC* layoutFile = HBufC::NewLC( KMaxFileName );
    *layoutFile = KLayoutSourceFileAndPath;
    TFileName fileName = *layoutFile;
    CleanupStack::PopAndDestroy(layoutFile);
    RFs& fs = CEikonEnv::Static()->FsSession();
    TInt error = file.Open(fs,fileName, EFileWrite|EFileShareAny|EFileStreamText );
    if (error==KErrNotFound)
        {
       file.Create(fs,fileName, EFileWrite|EFileShareAny|EFileStreamText);
        }
    CleanupClosePushL( file );
    file.SetSize( 0 );

    // Make all writes as from textfile.
    TFileText textFile;
    textFile.Set( file );
    textFile.Seek( ESeekStart );

    // Take all layout files from private folder.
    CDir* dirList;
    User::LeaveIfError(fs.GetDir(
        KPixelMetricsDataFiles,
        KEntryAttMaskSupported,
        ESortByName,
        dirList));

    TMySmallBuffer bufferLayoutHdr;
    TMyBigBuffer bufferPMData;
    TInt fileCount = dirList->Count();
    for (TInt i=0;i<fileCount;i++)
        {
        // open sourcefile
        RFile sourceFile;
        TFileName layoutFile = (*dirList)[i].iName;
        User::LeaveIfError( sourceFile.Open(
            fs,layoutFile, EFileRead|EFileShareAny|EFileStreamText ));
        CleanupClosePushL( sourceFile );

        // Make all reads as from textfile.
        TFileText textSourceFile;
        textSourceFile.Set( sourceFile );
        TFileName layoutName = CreateLayoutNameL( textSourceFile );

        // rewind - just in case.
        textSourceFile.Seek( ESeekStart );
        TFileName oneline;
        bufferLayoutHdr.Append(KOpenBrace);
        bufferPMData.Append(KOpenBrace);
        TInt loop = 0;
        FOREVER
            {
            if( textSourceFile.Read(oneline) != KErrNone )
                {
                break;
                }
            // Add commas for all but first line
            if (loop != 0)
                {
                if ( loop <= KHeaderValues-1)
                    {
                    bufferLayoutHdr.Append(KComma);
                    }
                else
                    {
                    if (loop != KHeaderValues)
                        {
                        bufferPMData.Append(KComma);
                        }
                    }
                if (loop==KHeaderValues)
                    {
                    bufferLayoutHdr.Append(_L(",QLatin1String(\""));
                    bufferLayoutHdr.Append(layoutName);
                    bufferLayoutHdr.Append(_L("\")"));
                    }
                }
            // Remove pixel metrics name and ":"
            oneline = oneline.Mid(oneline.Find(KColon)+1);
            // Remove tab
            oneline = oneline.Mid(oneline.Find(KTab)+1);
            // remove crap from the end of line
            TLex lex(oneline);
            TInt nextValue = -666;
            User::LeaveIfError( lex.Val(nextValue) );
            if ( loop <= KHeaderValues-1)
                {
                bufferLayoutHdr.AppendNum(nextValue);
                }
            else
                {
                if (nextValue == -909)
                    bufferPMData.Append(_L("ECommonStyleValue"));
                else
                    bufferPMData.AppendNum(nextValue);
                }
            oneline.Zero();
//.........这里部分代码省略.........

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);
	}
}