Util Namespace Reference

Helper functions. More...

Namespaces
	File
	FileUtils functions.
	Language
	language namespace

Classes
class	Filepath
class	Image
	The Image class. More...
class	Set
	A set structure. Inherited from std::set with some useful methods. For integer and String this set is ordered. More...
class	Tree
	The Tree class. More...

Typedefs
using	Extensions = uint16_t

Enumerations
enum	SaveAsAnswer {   Success,   InvalidName,   NotStorable,   NameAlreadyThere,   InvalidObject,   OtherError }
enum	Extension {   Soundfile =1<<0,   Playlist =1<<1,   Podcast =1<<2,   Haltdeimaul =1<<3 }

Functions
template<typename TINT , typename T >
std::enable_if< std::is_pointer< T >::value, bool >::type	between (TINT idx, const T &cont)
template<typename TINT , typename T >
std::enable_if< std::is_class< T >::value, bool >::type	between (TINT idx, const T &cont)
template<typename TINT >
std::enable_if< std::is_integral< TINT >::value, bool >::type	between (TINT idx, TINT max)
uint64_t	currentDateToInt ()
uint64_t	dateToInt (const QDateTime &date)
QDateTime	intToDate (uint64_t date)
QString	stringToFirstUpper (const QString &str)
	Transform all letters after a space to upper case. More...
QString	stringToVeryFirstUpper (const QString &str)
	Transform only first letter to upper case. More...
QString	msToString (MilliSeconds msec, const QString &format)
	Convert milliseconds to string. More...
QString	convertNotNull (const QString &str)
QString	sayonaraPath ()
	get sayonara path in home directory More...
QString	sayonaraPath (const QString &append_path)
QString	sharePath ()
	get share path of sayonara More...
QString	sharePath (const QString &append_path)
QString	tempPath ()
	get a temporary directory. usually /tmp/sayonara More...
QString	tempPath (const QString &append_path)
QString	createLink (const QString &name, bool dark=true, bool underline=true)
	create a link string More...
QString	createLink (const QString &name, bool dark, bool underline, const QString &target)
QStringList	soundfileExtensions (bool with_asterisk=true)
	get all supported sound file extensions More...
QString	soundfileFilter ()
	get filter for file reader or file chooser More...
QStringList	playlistExtensions (bool with_asterisk=true)
	get all supported playlist file extensions More...
QStringList	podcastExtensions (bool with_asterisk=true)
	get all supported podcast file extensions More...
QStringList	imageExtensions (bool with_asterisk=true)
QString	getFileFilter (Extensions extensions, const QString &name)
	get filter for file chooser dialog based on extensions More...
int	randomNumber (int min, int max)
	get a random val between min max More...
QString	randomString (int max_chars)
QString	easyTagFinder (const QString &tag, const QString &xml_doc)
	gets value out of tag More...
QByteArray	calcHash (const QByteArray &data)
	calculate a md5 hashsum More...
void	sleepMs (uint64_t ms)
	sleep More...
QStringList	ipAddresses ()
	get all ip addresses of the host More...
QByteArray	convertPixmapToByteArray (const QPixmap &pm)
QByteArray	convertPixmapToByteArray (const QPixmap &pm, const char *format)
QPixmap	convertByteArrayToPixmap (const QByteArray &arr)
void	setEnvironment (const QString &key, const QString &value)
	set an environment variable. This function is platform independent More...
void	unsetEnvironment (const QString &key)
QString	getEnvironment (const char *key)

Detailed Description

Helper functions.

Function Documentation

calcHash()

QByteArray Util::calcHash

(

const QByteArray &

data

)

calculate a md5 hashsum

Parameters

data	input data

Returns

hashsum

createLink()

QString Util::createLink	(	const QString &	name,
		bool	dark = true,
		bool	underline = true
	)

create a link string

Parameters

name	appearing name in link
target	target url (if not given, name is taken)
underline	if link should be underlined

Returns

link string

easyTagFinder()

QString Util::easyTagFinder	(	const QString &	tag,
		const QString &	xml_doc
	)

gets value out of tag

Parameters

tag	form: grandparent.parent.child
xml_doc	content of the xml document

Returns

extracted string

getFileFilter()

QString Util::getFileFilter	(	Extensions	extensions,
		const QString &	name
	)

get filter for file chooser dialog based on extensions

Parameters

extensions	disjunction of Extension
name	name that should appear in the file dialog

Returns

concatenated list of extensions

ipAddresses()

QStringList Util::ipAddresses

(

)

get all ip addresses of the host

Returns

list of ip addresses

msToString()

QString Util::msToString	(	MilliSeconds	msec,
		const QString &	format
	)

Convert milliseconds to string.

Parameters

	msec	milliseconds
format	$D	for days, $H for hours, $M for minutes $S for secods, A little 'e' behind the number will result in the unit displayed after the string

Returns

converted milliseconds

playlistExtensions()

QStringList Util::playlistExtensions

(

bool

with_asterisk = true

)

get all supported playlist file extensions

Returns

podcastExtensions()

QStringList Util::podcastExtensions

(

bool

with_asterisk = true

)

get all supported podcast file extensions

Returns

randomNumber()

int Util::randomNumber	(	int	min,
		int	max
	)

get a random val between min max

Parameters

min	minimum included value
max	maximum included value

Returns

random number

sayonaraPath()

QString Util::sayonaraPath

(

)

get sayonara path in home directory

Returns

setEnvironment()

void Util::setEnvironment	(	const QString &	key,
		const QString &	value
	)

set an environment variable. This function is platform independent

Parameters

key	variable name
value	variable value

sharePath()

QString Util::sharePath

(

)

get share path of sayonara

Returns

./share on windows, share path of unix system

sleepMs()

void Util::sleepMs

(

uint64_t

ms

)

sleep

Parameters

ms	milliseconds to sleep

soundfileExtensions()

QStringList Util::soundfileExtensions

(

bool

with_asterisk = true

)

get all supported sound file extensions

Returns

soundfileFilter()

QString Util::soundfileFilter

(

)

get filter for file reader or file chooser

Returns

stringToFirstUpper()

QString Util::stringToFirstUpper

(

const QString &

str

)

Transform all letters after a space to upper case.

Parameters

str	input string

Returns

result string

stringToVeryFirstUpper()

QString Util::stringToVeryFirstUpper

(

const QString &

str

)

Transform only first letter to upper case.

Parameters

str	input string

Returns

result string

tempPath()

QString Util::tempPath

(

)

get a temporary directory. usually /tmp/sayonara

Returns