本文整理汇总了C++中TFileName::Mid方法的典型用法代码示例。如果您正苦于以下问题：C++ TFileName::Mid方法的具体用法？C++ TFileName::Mid怎么用？C++ TFileName::Mid使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类TFileName的用法示例。
在下文中一共展示了TFileName::Mid方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: CreateHeaderFileL
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.........
示例2: CreateLayoutNameL
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;
}示例3: SetDataL
TUid CDeploymentComponentData::SetDataL(const TFileName &aData,
const TDesC8& aMimeType)
{
RDEBUG_2("CDeploymentComponentData::SetDataL() TFileName: (%S)", &aData);
_LIT(KNewPath, "c:\\private\\200267FB\\");
TUid ret(TUid::Null());
iMimeType = aMimeType.Left(KMaxMimeLength) ;
RFs fs;
User::LeaveIfError(fs.Connect() );
CleanupClosePushL(fs);
CFileMan *fm = CFileMan::NewL(fs);
CleanupStack::PushL(fm);
TFileName fn;
fn.Copy(iDataFileName);
RDEBUG("App Mgmt before copy start");
TInt maxLength = iDataFileName.Length();
TChar charvaldot = '.';
TChar charvalslash = '\\';
TInt pos = iDataFileName.LocateReverse(charvaldot);
TInt lengthDeleted = maxLength-pos;
iDataFileName.Delete(pos, lengthDeleted);
TInt srcpos = aData.LocateReverse(charvaldot);
TBuf<15> extn(aData.Mid(srcpos));
iDataFileName.Append(extn);
TFileName newfilepath;
newfilepath.Copy(iDataFileName);
User::LeaveIfError(fm->Move(aData,KNewPath()));
TFileName oldfilepath(KNewPath());
oldfilepath.Append(aData.Mid(aData.LocateReverse(charvalslash)));
User::LeaveIfError(fm->Rename(oldfilepath, newfilepath));
//User::LeaveIfError(fm->Copy(aData, fn) );
RDEBUG("App Mgmt before copy End");
if (IsSISInstallFile(aMimeType) )
{
ret = ResolveUidL(fs);
}
CleanupStack::PopAndDestroy(fm);
CleanupStack::PopAndDestroy( &fs);
RDEBUG_2("CDeploymentComponentData::SetDataL() (%d)", ret.iUid);
return ret;
}