StringUtil Namespace Reference

Functions
MBASE_PUBLIC bool	isValidUTF8 (const QByteArray &data)
QString	intToPaddedString (int n, int width=2)
	Creates a zero padded string representation of an integer. More...
QString	indentSpaces (unsigned int level, unsigned int size=4)
QString	bool_to_string (bool val)
	This is equivalent to QVariant(bool).toString() More...
MBASE_PUBLIC int	naturalCompare (const QString &_a, const QString &_b, Qt::CaseSensitivity caseSensitivity=Qt::CaseSensitive)
	This method chops the input a and b into pieces of digits and non-digits (a1.05 becomes a | 1 | . More...
bool	naturalSortCompare (const QString &a, const QString &b, Qt::CaseSensitivity caseSensitivity=Qt::CaseSensitive)
	naturalCompare as a std::sort compatible function (ignoring the third parameter, which is never used). More...
MBASE_PUBLIC QString	formatKBytes (int64_t sizeKB, int prec=1)
MBASE_PUBLIC QString	formatBytes (int64_t sizeB, int prec=1)
std::vector< std::string_view >	split_sv (const std::string_view s, const std::string_view delimiter)
	Split a std::string_view into a std::vector of std::string_views. More...

Function Documentation

isValidUTF8()

bool StringUtil::isValidUTF8

(

const QByteArray &

data

)

Definition at line 47 of file stringutil.cpp.

Referenced by WebSocketWorker::HandleCloseConnection(), WebSocketWorker::HandleDataFrame(), and WebSocketWorker::SendText().

intToPaddedString()

QString StringUtil::intToPaddedString ( int  n, int  width = 2  )

inline

Creates a zero padded string representation of an integer.

Parameters

n	integer to convert
width	minimum string length including sign, if any

Note

per the QString::arg() documentation the padding may prefix the sign of a negative number

Definition at line 27 of file stringutil.h.

Referenced by MythDate::formatTime(), VideoMetadata::GetText(), AvFormatDecoder::OpenFile(), PlaybackBox::saveRecMetadata(), VideoMetadata::toMap(), ResultItem::toMap(), ProgramInfo::ToMap(), RecordingSelector::updateRecordingList(), and MythBDBuffer::UpdateTitleInfo().

indentSpaces()

QString StringUtil::indentSpaces ( unsigned int  level, unsigned int  size = 4  )

inline

Definition at line 36 of file stringutil.h.

Referenced by VirtualChannelTable::ChannelStringXML(), RecordingQuality::toStringXML(), CarrierDefinitionSubtable::toStringXML(), SpliceDescriptor::toStringXML(), MasterGuideTable::toStringXML(), ModulationModeSubtable::toStringXML(), SCTENetworkInformationTable::toStringXML(), NetworkTextTable::toStringXML(), VirtualChannelTable::toStringXML(), DefinedChannelsMapSubtable::toStringXML(), MPEGDescriptor::toStringXML(), VirtualChannelMapSubtable::toStringXML(), InverseChannelMapSubtable::toStringXML(), ShortVirtualChannelTable::toStringXML(), PSIPTable::toStringXML(), SCTESystemTimeTable::toStringXML(), ProgramAssociationTable::toStringXML(), SystemTimeTable::toStringXML(), ProgramMapTable::toStringXML(), ConditionalAccessTable::toStringXML(), SpliceTimeView::toStringXML(), SpliceInsertView::toStringXML(), SpliceInformationTable::toStringXML(), VirtualChannelTable::XMLChannelValues(), and PSIPTable::XMLValues().

bool_to_string()

QString StringUtil::bool_to_string ( bool  val )

inline

This is equivalent to QVariant(bool).toString()

Definition at line 44 of file stringutil.h.

Referenced by ModulationModeSubtable::toStringXML(), DefinedChannelsMapSubtable::toStringXML(), VirtualChannelMapSubtable::toStringXML(), SystemTimeTable::toStringXML(), SpliceInsertView::toStringXML(), VirtualChannelTable::XMLChannelValues(), CableVirtualChannelTable::XMLChannelValues(), and PSIPTable::XMLValues().

naturalCompare()

int StringUtil::naturalCompare	(	const QString &	_a,
		const QString &	_b,
		Qt::CaseSensitivity	caseSensitivity = Qt::CaseSensitive
	)

This method chops the input a and b into pieces of digits and non-digits (a1.05 becomes a | 1 | .

| 05) and compares these pieces of a and b to each other (first with first, second with second, ...).

This is based on the natural sort order code code by Martin Pool http://sourcefrog.net/projects/natsort/ Martin Pool agreed to license this under LGPL or GPL.

Todo:

FIXME: Using toLower() to implement case insensitive comparison is sub-optimal, but is needed because we compare strings with localeAwareCompare(), which does not know about case sensitivity. A task has been filled for this in Qt Task Tracker with ID 205990. http://trolltech.com/developer/task-tracker/index_html?method=entry&id=205990 Dead link. QCollator might be of relevance.

Definition at line 160 of file stringutil.cpp.

Referenced by comp_title(), lt_callsign(), lt_smart(), naturalSortCompare(), TitleSort::operator()(), ProgramCountSort::operator()(), ProgramRecCountSort::operator()(), ProgramLastRecordSort::operator()(), ProgramAvgDelaySort::operator()(), plPrevTitleSort(), plTitleSort(), VideoMetadataImp::sortBefore(), Bookmark::sortByName(), and NewsSite::sortByName().

naturalSortCompare()

bool StringUtil::naturalSortCompare ( const QString &  a, const QString &  b, Qt::CaseSensitivity  caseSensitivity = Qt::CaseSensitive  )

inline

naturalCompare as a std::sort compatible function (ignoring the third parameter, which is never used).

Definition at line 57 of file stringutil.h.

Referenced by comp_sorttitle_lt(), comp_sorttitle_lt_rev(), VideoFilterSettings::meta_less_than(), anonymous_namespace{editvideometadata.cpp}::title_sort< T >::operator()(), SingleValueImp::sort(), and metadata_path_sort::sort().

formatKBytes()

QString StringUtil::formatKBytes	(	int64_t	sizeKB,
		int	prec = 1
	)

Definition at line 357 of file stringutil.cpp.

Referenced by ProfileDialog::Create(), StatusBox::doAutoExpireList(), SelectDestination::filenameEditLostFocus(), formatBytes(), ProfileDialog::profileChanged(), MythBurn::profileChanged(), SelectDestination::setDestination(), ExportNative::titleChanged(), RecordingSelector::titleChanged(), VideoSelector::titleChanged(), MythBurn::updateArchiveList(), FileSelector::updateFileList(), RecordingSelector::updateRecordingList(), and usage_str_kb().

formatBytes()

QString StringUtil::formatBytes	(	int64_t	sizeB,
		int	prec = 1
	)

Definition at line 378 of file stringutil.cpp.

Referenced by CheckRecordings().

split_sv()

std::vector<std::string_view> StringUtil::split_sv ( const std::string_view  s, const std::string_view  delimiter  )

inline

Split a std::string_view into a std::vector of std::string_views.

Parameters

s	String to split, may be empty.
delimiter	String to determine where to split.

Returns

Will always have a size >= 1. Only valid as long as the data referenced by s remains valid.

Definition at line 74 of file stringutil.h.

Referenced by AvFormatDecoder::ScanTeletextCaptions().