Util Namespace Reference

Detailed Description

Helper functions.

Namespaces
	File
	FileUtils functions.

Functions
uint64_t	current_date_to_int ()
uint64_t	date_to_int (const QDateTime &date)
QString	cvt_str_to_first_upper (const QString &str)
	Transform all letters after a space to upper case. More...
QString	cvt_str_to_very_first_upper (const QString &str)
	Transform only first letter to upper case. More...
QString	cvt_ms_to_string (MilliSeconds msec, bool empty_zero=false, bool colon=true, bool show_days=true)
	Convert milliseconds to string. More...
QString	cvt_not_null (const QString &str)
QString	sayonara_path (const QString &append_path=QString())
	get sayonara path in home directory More...
QString	share_path (const QString &append_path=QString())
	get share path of sayonara More...
QString	lib_path (const QString &append_path=QString())
	get library path of sayonara More...
QString	create_link (const QString &name, bool dark=true, const QString &target="", bool underline=true)
	create a link string More...
QStringList	soundfile_extensions (bool with_asterisk=true)
	get all supported sound file extensions More...
QStringList	playlist_extensions (bool with_asterisk=true)
	get all supported playlist file extensions More...
QStringList	podcast_extensions (bool with_asterisk=true)
	get all supported podcast file extensions More...
QStringList	image_extensions (bool with_asterisk=true)
int	random_number (int min, int max)
	get a random val between min max More...
QString	random_string (int max_chars)
QString	easy_tag_finder (const QString &tag, const QString &xml_doc)
	gets value out of tag More...
QByteArray	calc_hash (const QByteArray &data)
	calculate a md5 hashsum More...
void	sleep_ms (uint64_t ms)
	sleep More...
QStringList	ip_addresses ()
	get all ip addresses of the host More...
QByteArray	cvt_pixmap_to_bytearray (const QPixmap &pm)
QPixmap	cvt_bytearray_to_pixmap (const QByteArray &arr)
void	set_environment (const QString &key, const QString &value)
	set an environment variable. This function is platform independent More...
void	unset_environment (const QString &key)
template<typename T , typename FN >
bool	contains (const T &container, FN fn)
template<typename T , typename FN >
void	sort (T &container, FN fn)
template<typename T , typename FN >
T::iterator	find (T &container, FN fn)
template<typename T , typename FN >
T::const_iterator	find (const T &container, FN fn)
template<typename T >
constexpr std::add_const< T >::type &	AsConst (T &t)
template<typename T , typename FN >
int	indexOf (const T &container, FN fn)

Function Documentation

calc_hash()

QByteArray Util::calc_hash

(

const QByteArray &

data

)

calculate a md5 hashsum

Parameters

data	input data

Returns

hashsum

create_link()

QString Util::create_link	(	const QString &	name,
		bool	dark = true,
		const QString &	target = "",
		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

cvt_ms_to_string()

QString Util::cvt_ms_to_string	(	MilliSeconds	msec,
		bool	empty_zero = false,
		bool	colon = true,
		bool	show_days = true
	)

Convert milliseconds to string.

Parameters

msec	milliseconds
empty_zero	if false, prepend a zero to numbers < 10
colon	if true, set colon between minutes and seconds
show_days	if true, days will be shown, too

Returns

converted milliseconds

cvt_str_to_first_upper()

QString Util::cvt_str_to_first_upper

(

const QString &

str

)

Transform all letters after a space to upper case.

Parameters

str	input string

Returns

result string

cvt_str_to_very_first_upper()

QString Util::cvt_str_to_very_first_upper

(

const QString &

str

)

Transform only first letter to upper case.

Parameters

str	input string

Returns

result string

easy_tag_finder()

QString Util::easy_tag_finder	(	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

ip_addresses()

QStringList Util::ip_addresses

(

)

get all ip addresses of the host

Returns

list of ip addresses

lib_path()

QString Util::lib_path

(

const QString &

append_path = QString()

)

get library path of sayonara

Returns

./lib on windows, lib path of unix system

playlist_extensions()

QStringList Util::playlist_extensions

(

bool

with_asterisk = true

)

get all supported playlist file extensions

Returns

podcast_extensions()

QStringList Util::podcast_extensions

(

bool

with_asterisk = true

)

get all supported podcast file extensions

Returns

random_number()

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

get a random val between min max

Parameters

min	minimum included value
max	maximum included value

Returns

random number

sayonara_path()

QString Util::sayonara_path

(

const QString &

append_path = QString()

)

get sayonara path in home directory

Returns

set_environment()

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

set an environment variable. This function is platform independent

Parameters

key	variable name
value	variable value

share_path()

QString Util::share_path

(

const QString &

append_path = QString()

)

get share path of sayonara

Returns

./share on windows, share path of unix system

sleep_ms()

void Util::sleep_ms

(

uint64_t

ms

)

sleep

Parameters

ms	milliseconds to sleep

soundfile_extensions()

QStringList Util::soundfile_extensions

(

bool

with_asterisk = true

)

get all supported sound file extensions

Returns