Class string

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string Class Reference

string class more...

Public Member Functions

bool	contains(string str) contain a string
int	indexOf(string str, int index) index of
int	lastIndexOf(string str, int index) index of
string	left(int i) left
int	length() length
string	mid(int i, int k=-1) mid of string
string	parameter(string str) parameter
string	remove(string str) remove
string	replace(string macht,string with) replace
string	setDateTime(string format) set date and time
string	setDate(string format) set date
string	setNum(double d, int k) set number
string	setNum(int i) set number
string	setTime(string format) set time
int	size() size
void	toDouble() convert to double
void	toInt() convert to integer

Detailed Description

Conversion from/to int/double is done implicit.

Member Documentation

bool string::contains(string str)

contain a string

Returns:

true if the string contains the string str. Otherwise false.

string string::left(int i)

left

Returns:

the left i char of the string

int string::length()

length

Returns:

length of the string (same as size)

string string::mid(int i, int k=-1)

mid of string

Returns:

length a path of the string starting at position i with the length k.
The rest of the string starting at position i is returned if k is -1 or missing.

string string::setNum(int i)

set number

Set the string to the number i

string string::setNum(double d, int k)

set number

Set the string to the number d with precision of k

void string::toInt()

convert to integer

The string is converted to a integer.

void string::toDouble()

convert to double

The string is converted to a double.

int string::size()

size

Returns:

length of the string (same as length)

string string::setDateTime(string format)

set date and time

Set the string to the current date and time. With the string format the format can be set. Without the string the date is set to local setup.
The format string may contain:

Expression	Output
d	the day as number without a leading zero (1 to 31)
dd	the day as number with a leading zero (01 to 31)
ddd	the abbreviated localized day name (e.g. 'Mon' to 'Sun').
dddd	the long localized day name (e.g. 'Qt::Monday' to 'Qt::Sunday').
M	the month as number without a leading zero (1-12)
MM	the month as number with a leading zero (01-12)
MMM	the abbreviated localized month name (e.g. 'Jan' to 'Dec').
MMMM	the long localized month name (e.g. 'January' to 'December').
yy	the year as two digit number (00-99)
yyyy	the year as four digit number (1752-8000)
h	the hour without a leading zero (0 to 23 or 1 to 12 if AM/PM display)
hh	the hour with a leading zero (00 to 23 or 01 to 12 if AM/PM display)
m	the minute without a leading zero (0 to 59)
mm	the minute with a leading zero (00 to 59)
s	the second without a leading zero (0 to 59)
ss	the second with a leading zero (00 to 59)
z	the milliseconds without leading zeroes (0 to 999)
zzz	the milliseconds with leading zeroes (000 to 999)
AP	use AM/PM display. AP will be replaced by either "AM" or "PM".
ap	use am/pm display. ap will be replaced by either "am" or "pm".

string string::setTime(string format)

set time

Set the string to the current time. With the string format the format can be set. Without the string the date is set to local setup. setDateTime for possible formats

string string::setDate(string format)

set date

Set the string to the current date. With the string format the format can be set. Without the string the date is set to local setup. setDateTime for possible formats

int string::indexOf(string str, int index)

index of

Returns the index position of the first occurrence of the string str in this string, searching forward from index position from. Returns -1 if str is not found.

int string::lastIndexOf(string str, int index)

index of

Returns the index position of the last occurrence of the string str in this string, searching backward from index position from. If from is -1, the search starts at the last character; if from is -2, at the next to last character and so on. Returns -1 if str is not found.

string string::remove(string str)

remove

Remove all str from the string. The removement is case sensitive.

string string::replace(string macht,string with)

replace

All existing strings match is replaced with with. The replacement is case sensitive.

string string::parameter(string str)

parameter

Returns:

the parameter str.

Example:


string s="type=2 width=4 length=6";

s=s.parameter("width");

// s="4";

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