eut::StdStringFunctions Namespace Reference

Help functions for the processing of strings. More...

Enumerations
enum	EnCoutColor {   eCOLOR_DEFAULT = 0 , eCOLOR_BLACK = 1 , eCOLOR_BLUE = 2 , eCOLOR_GREEN = 3 ,   eCOLOR_LIGHTBLUE = 4 , eCOLOR_RED = 5 , eCOLOR_MAGENTA = 6 , eCOLOR_YELLOW = 7 ,   eCOLOR_LIGHTGRAY = 8 , eCOLOR_GRAY = 9 , eCOLOR_WHITE = 10 }
enum	EnStrPos { eBEFORE , eBEHIND , eBOTH }

Functions
template<typename T >
std::string	toHexstr (const T &rValue, std::size_t hex_len=sizeof(T)<< 1)
__tool_export_dll bool	isAnInteger (const std::string &rstr)
__tool_export_dll void	fillString (std::string &rstr, char cFillItem, std::size_t nNumber, EnStrPos ePos)
__tool_export_dll char *	getFilledString (const char *pch, char cFillItem, std::size_t nNumber, EnStrPos ePos)
__tool_export_dll std::string	getFilledString (const std::string &rstr, char cFillItem, std::size_t nNumber, EnStrPos ePos)
__tool_export_dll void	tokenizeString (const std::string &rstrSource, std::vector< std::string > &rTokensVector, const std::string &rstrDelimiters=" ")
__tool_export_dll void	tokenizeString (const std::string &rstrSource, std::vector< std::string > &rTokensVector, const char &rcDelimiters=' ')
__tool_export_dll void	tokenizeString (const std::wstring &rwsSource, std::vector< std::wstring > &rTokensVector, wchar_t wcDelimiters=L' ')
__tool_export_dll std::size_t	replaceAll (std::string &rstrText, const char pzOriginal, const char pzNew)
__tool_export_dll std::size_t	replaceAll (std::string &rstrText, std::vector< std::size_t > &rPosVector, const char pzOriginal, const char pzNew)
__tool_export_dll std::wstring	string2wstring (const std::string &rsSourceString)
__tool_export_dll std::string	wstring2string (const std::wstring &rwsSourceString)
__tool_export_dll WORD	setColorConsoleCout (EnCoutColor eForeGroundColor, EnCoutColor eBackGroundColor)
__tool_export_dll void	resetColorConsoleCout (WORD wScreenBufferInfo)
__tool_export_dll std::string	toLower (const std::string &rstr)
	Converts all uppercase letters of the passed string to lowercase.
__tool_export_dll std::wstring	toLower (const std::wstring &rstr)
	Converts all uppercase letters of the passed string to lowercase.
__tool_export_dll std::string	toUpper (const std::string &rstr)
	Converts all lowercase letters of the passed string to uppercase.
__tool_export_dll std::wstring	toUpper (const std::wstring &rstr)
	Converts all lowercase letters of the passed string to uppercase.
__tool_export_dll void	trimString (std::string &rstr, char c=' ', EnStrPos ePos=eBEFORE)
	Trim for std::string inspired by:
__tool_export_dll void	trimString (std::wstring &rstr, wchar_t c=' ', EnStrPos ePos=eBEFORE)
	Trim for std::string inspired by:
__tool_export_dll bool	insertIfNotAvailable (std::string &rsText, std::size_t nPos, const std::string &rsIns)
	Inserts a string at the position passed, if not already present.
__tool_export_dll bool	insertIfNotAvailable (std::wstring &rsText, std::size_t nPos, const std::wstring &rsIns)
	Inserts a string at the position passed, if not already present.
__tool_export_dll std::size_t	replaceAll (std::string &rsText, const std::string &rsFnd, const std::string &rsRep)
	Exchanges all searched substrings in a string with another passed string.
__tool_export_dll std::size_t	replaceAll (std::wstring &rsText, const std::wstring &rsFnd, const std::wstring &rsRep)
	Exchanges all searched substrings in a string with another passed string.
__tool_export_dll bool	compareWildcardString (const std::string &rsSearchString, const std::string &rsString)
	Compares two std::string's.
__tool_export_dll bool	compareWildcardString (const std::wstring &rsSearchString, const std::wstring &rsString)
	Compares two std::string's.
__tool_export_dll void	colorConsoleCout (const std::string &rsCoutText, EnCoutColor eForeGroundColor, EnCoutColor eBackGroundColor)
	Outputs a string to the console in color.
__tool_export_dll void	colorConsoleCout (const std::wstring &rsCoutText, EnCoutColor eForeGroundColor, EnCoutColor eBackGroundColor)
	Outputs a string to the console in color.

Detailed Description

Help functions for the processing of strings.

Copyright

© 2010 Helmut Jakoby

Author

Helmut Jakoby

Enumeration Type Documentation

EnCoutColor

enum eut::StdStringFunctions::EnCoutColor

Color codes for std::cout output in the console.

Enumerator
eCOLOR_DEFAULT
eCOLOR_BLACK
eCOLOR_BLUE
eCOLOR_GREEN
eCOLOR_LIGHTBLUE
eCOLOR_RED
eCOLOR_MAGENTA
eCOLOR_YELLOW
eCOLOR_LIGHTGRAY
eCOLOR_GRAY
eCOLOR_WHITE

EnStrPos

enum eut::StdStringFunctions::EnStrPos

Positioning in the string for StdStringFunctions::fillString(std::string&, char, std::size_t, EnStrPos)

Enumerator
eBEFORE	It should be inserted or removed at the beginning.
eBEHIND	It should be inserted or removed at the end.
eBOTH	It should be inserted or removed at the beginning and at the end.

Function Documentation

colorConsoleCout() [1/2]

__tool_export_dll void eut::StdStringFunctions::colorConsoleCout	(	const std::string &	rsCoutText,
		EnCoutColor	eForeGroundColor,
		EnCoutColor	eBackGroundColor )

Outputs a string to the console in color.

Parameters

[in]	rsCoutText	The text to be output.
[in]	eForeGroundColor	The foreground, i.e. text color.
[in]	eBackGroundColor	The background color.

colorConsoleCout() [2/2]

__tool_export_dll void eut::StdStringFunctions::colorConsoleCout	(	const std::wstring &	rsCoutText,
		EnCoutColor	eForeGroundColor,
		EnCoutColor	eBackGroundColor )

Outputs a string to the console in color.

Parameters

[in]	rsCoutText	The text to be output.
[in]	eForeGroundColor	The foreground, i.e. text color.
[in]	eBackGroundColor	The background color.

compareWildcardString() [1/2]

__tool_export_dll bool eut::StdStringFunctions::compareWildcardString	(	const std::string &	rsSearchString,
		const std::string &	rsString )

Compares two std::string's.

The search string can contain wildcards ('*' and '?').

Written by Jack Handy - jakkhandy@hotmail.com

See also

https://www.codeproject.com/Articles/1088/Wildcard-string-compare-globbing

Example:

• StdStringFunctions::compareWildcardString( "g*k", "gee" ); -> NO equivalent
• StdStringFunctions::compareWildcardString( "bl?h.*", "blah.jpg" ); -> Compliance
• StdStringFunctions::compareWildcardString( "ge?ks*", "geeksforgeeks" ); -> Compliance
• StdStringFunctions::compareWildcardString( "*pqrs", "pqrst" ); -> NO equivalent
• StdStringFunctions::compareWildcardString( "abc*bcd", "abcdhghgbcd" ); -> Compliance
• StdStringFunctions::compareWildcardString( "abc*c?", "abcd" ); -> NO equivalent
• StdStringFunctions::compareWildcardString( "*c*d", "abcd" ); -> Compliance
• StdStringFunctions::compareWildcardString( "*?c*d", "abcd" ); -> Compliance
• StdStringFunctions::compareWildcardString( "123*67", "1234567" ); -> Compliance
• StdStringFunctions::compareWildcardString( "12?*67", "1234567" ); -> Compliance
• StdStringFunctions::compareWildcardString( "12??*67", "1234567" ); -> Compliance
• StdStringFunctions::compareWildcardString( "12???*67", "1234567" ); -> Compliance
• StdStringFunctions::compareWildcardString( "12????*67", "1234567" ); -> NO equivalent
• StdStringFunctions::compareWildcardString( "1111", "1111" ); -> Compliance
• StdStringFunctions::compareWildcardString( "*", "1111" ); -> Compliance
• StdStringFunctions::compareWildcardString( "**", "1111" ); -> Compliance
• StdStringFunctions::compareWildcardString( "σ*αία", "σημαία" ); -> Compliance
• StdStringFunctions::compareWildcardString( "σ1*αία", "σημαία" ); -> NO equivalent

Parameters

[in]	rsSearchString	The search string with wildcards if necessary.
[in]	rsString	The comparison string with which the search string is compared.

Returns

If true, the search string corresponds to the comparison string passed.

Author

Jack Handy

compareWildcardString() [2/2]

__tool_export_dll bool eut::StdStringFunctions::compareWildcardString	(	const std::wstring &	rsSearchString,
		const std::wstring &	rsString )

Compares two std::string's.

The search string can contain wildcards ('*' and '?').

Written by Jack Handy - jakkhandy@hotmail.com

See also

https://www.codeproject.com/Articles/1088/Wildcard-string-compare-globbing

Example:

• StdStringFunctions::compareWildcardString( "g*k", "gee" ); -> NO equivalent
• StdStringFunctions::compareWildcardString( "bl?h.*", "blah.jpg" ); -> Compliance
• StdStringFunctions::compareWildcardString( "ge?ks*", "geeksforgeeks" ); -> Compliance
• StdStringFunctions::compareWildcardString( "*pqrs", "pqrst" ); -> NO equivalent
• StdStringFunctions::compareWildcardString( "abc*bcd", "abcdhghgbcd" ); -> Compliance
• StdStringFunctions::compareWildcardString( "abc*c?", "abcd" ); -> NO equivalent
• StdStringFunctions::compareWildcardString( "*c*d", "abcd" ); -> Compliance
• StdStringFunctions::compareWildcardString( "*?c*d", "abcd" ); -> Compliance
• StdStringFunctions::compareWildcardString( "123*67", "1234567" ); -> Compliance
• StdStringFunctions::compareWildcardString( "12?*67", "1234567" ); -> Compliance
• StdStringFunctions::compareWildcardString( "12??*67", "1234567" ); -> Compliance
• StdStringFunctions::compareWildcardString( "12???*67", "1234567" ); -> Compliance
• StdStringFunctions::compareWildcardString( "12????*67", "1234567" ); -> NO equivalent
• StdStringFunctions::compareWildcardString( "1111", "1111" ); -> Compliance
• StdStringFunctions::compareWildcardString( "*", "1111" ); -> Compliance
• StdStringFunctions::compareWildcardString( "**", "1111" ); -> Compliance
• StdStringFunctions::compareWildcardString( "σ*αία", "σημαία" ); -> Compliance
• StdStringFunctions::compareWildcardString( "σ1*αία", "σημαία" ); -> NO equivalent

Parameters

[in]	rsSearchString	The search string with wildcards if necessary.
[in]	rsString	The comparison string with which the search string is compared.

Returns

If true, the search string corresponds to the comparison string passed.

Author

Jack Handy

fillString()

__tool_export_dll void eut::StdStringFunctions::fillString	(	std::string &	rstr,
		char	cFillItem,
		std::size_t	nNumber,
		EnStrPos	ePos )

Fills the string passed with characters at the beginning or end.

Parameters

[in,out]	rstr	Reference to the string to be padded.
[in]	cFillItem	The character to be padded.
[in]	nNumber	The targeted string length.
[in]	ePos	Specifies whether to fill at the beginning and/or at the end.

Note

StdStringFunctions::eBOTH is interpreted as StdStringFunctions::eBEHIND!

getFilledString() [1/2]

__tool_export_dll char * eut::StdStringFunctions::getFilledString	(	const char *	pch,
		char	cFillItem,
		std::size_t	nNumber,
		EnStrPos	ePos )

Fills a passed 0-terminated Char-Array with characters at the beginning or end.

Parameters

[in,out]	pch	Pointer to the 0-terminated char array to be added.
[in]	cFillItem	The character to be filled with.
[in]	nNumber	The targeted string length.
[in]	ePos	Specifies whether to fill at the beginning or at the end.

Returns

The resulting 0-terminated char array.

Note

StdStringFunctions::rBOTH is interpreted as StdStringFunctions::eBEHIND!

Attention

If a valid pointer is supplied, the calling instance must remove the char array from memory using delete[]!

getFilledString() [2/2]

__tool_export_dll std::string eut::StdStringFunctions::getFilledString	(	const std::string &	rstr,
		char	cFillItem,
		std::size_t	nNumber,
		EnStrPos	ePos )

Fills a passed std::string with characters at the beginning or end.

Parameters

[in,out]	rstr	String to be added.
[in]	cFillItem	The character to be filled with.
[in]	nNumber	The targeted string length.
[in]	ePos	Specifies whether to fill at the beginning or at the end.

Returns

The resulting 0-terminated char array.

Note

StdStringFunctions::rBOTH is interpreted as StdStringFunctions::eBEHIND!

insertIfNotAvailable() [1/2]

__tool_export_dll bool eut::StdStringFunctions::insertIfNotAvailable	(	std::string &	rsText,
		std::size_t	nPos,
		const std::string &	rsIns )

Inserts a string at the position passed, if not already present.

Parameters

[in,out]	rsText	In this string, the string rsIns is inserted at the position nPos passed, if not already present.
[in]	nPos	The position in rsText where is checked and inserted if necessary.
[in]	rsIns	The character string to be checked and inserted if necessary.

Returns

If true, rsIns was inserted, otherwise nothing happened.

insertIfNotAvailable() [2/2]

__tool_export_dll bool eut::StdStringFunctions::insertIfNotAvailable	(	std::wstring &	rsText,
		std::size_t	nPos,
		const std::wstring &	rsIns )

Inserts a string at the position passed, if not already present.

Parameters

[in,out]	rsText	In this string, the string rsIns is inserted at the position nPos passed, if not already present.
[in]	nPos	The position in rsText where is checked and inserted if necessary.
[in]	rsIns	The character string to be checked and inserted if necessary.

Returns

If true, rsIns was inserted, otherwise nothing happened.

isAnInteger()

__tool_export_dll bool eut::StdStringFunctions::isAnInteger

(

const std::string &

rstr

)

Checks the passed string whether it represents an integer.

Parameters

[in]

rstr

Reference to the string to be checked.

Returns

If 'true', sthe passed string represents an integer.

replaceAll() [1/4]

__tool_export_dll std::size_t eut::StdStringFunctions::replaceAll	(	std::string &	rsText,
		const std::string &	rsFnd,
		const std::string &	rsRep )

Exchanges all searched substrings in a string with another passed string.

Parameters

[in,out]	rsText	In this string, all strings from strFnd are removed and the string from strRep is inserted instead.
[in]	rsFnd	The string to be exchanged.
[in]	rsRep	The string to be inserted.

Returns

A return value > 0 is the number of characters exchanged. A return value == 0 means that nothing was exchanged.

replaceAll() [2/4]

__tool_export_dll std::size_t eut::StdStringFunctions::replaceAll	(	std::string &	rstrText,
		const char	pzOriginal,
		const char	pzNew )

Exchanges all searched characters in a string with another passed character.

Parameters

[in,out]	rstrText	In this string, all characters from pzOriginal are removed and the string from pzNew is inserted instead.
[in]	pzOriginal	The character to be exchanged.
[in]	pzNew	The character to be inserted.

Returns

A return value > 0 is the number of characters exchanged. A return value == 0 means that nothing was exchanged.

replaceAll() [3/4]

__tool_export_dll std::size_t eut::StdStringFunctions::replaceAll	(	std::string &	rstrText,
		std::vector< std::size_t > &	rPosVector,
		const char	pzOriginal,
		const char	pzNew )

Exchanges all searched characters in a string with another passed character and enters the respective positions in passed vector.

Parameters

[in,out]	rstrText	In this string, all characters from pzOriginal are removed and the string from pzNew is inserted instead.
[in,out]	rPosVector	The positions with the exchanged characters.
[in]	pzOriginal	The character to be exchanged.
[in]	pzNew	The character to be inserted.

Returns

A return value > 0 is the number of characters exchanged. A return value == 0 means that nothing was exchanged.

replaceAll() [4/4]

__tool_export_dll std::size_t eut::StdStringFunctions::replaceAll	(	std::wstring &	rsText,
		const std::wstring &	rsFnd,
		const std::wstring &	rsRep )

Exchanges all searched substrings in a string with another passed string.

Parameters

[in,out]	rsText	In this string, all strings from strFnd are removed and the string from strRep is inserted instead.
[in]	rsFnd	The string to be exchanged.
[in]	rsRep	The string to be inserted.

Returns

A return value > 0 is the number of characters exchanged. A return value == 0 means that nothing was exchanged.

resetColorConsoleCout()

__tool_export_dll void eut::StdStringFunctions::resetColorConsoleCout

(

WORD

wScreenBufferInfo

)

Sets font to a color of the console to the default color for the next output.

Parameters

[in]

wScreenBufferInfo

The CONSOLE_SCREEN_BUFFER_INFO Attribute.

setColorConsoleCout()

__tool_export_dll WORD eut::StdStringFunctions::setColorConsoleCout	(	EnCoutColor	eForeGroundColor,
		EnCoutColor	eBackGroundColor )

Sets font to a color of the console to a color for the next output.

Parameters

[in]	eForeGroundColor	The foreground, i.e. text color.
[in]	eBackGroundColor	The background color.

Returns

The original CONSOLE_SCREEN_BUFFER_INFO attribute is needed to restore the previous state.

string2wstring()

__tool_export_dll std::wstring eut::StdStringFunctions::string2wstring

(

const std::string &

rsSourceString

)

Converts a std::string into a std::wstring.

Parameters

[in]

rsSourceString

The std::string to be converted.

Returns

The resulting std::wstring.

Exceptions

A	"range_error" can be thrown when UTF-16 characters ate passed.

toHexstr()

template<typename T >

std::string eut::StdStringFunctions::toHexstr	(	const T &	rValue,
		std::size_t	hex_len = sizeof(T) << 1 )

Convert the given integer number value to a hex string.
Found: https://newbedev.com/integer-to-hex-string-in-c

Parameters

[in]	rValue	The number value.
[in]	hex_len	The size of the number value.

Returns

The passed number value in the hexadecimal representation in a std::string.

tokenizeString() [1/3]

__tool_export_dll void eut::StdStringFunctions::tokenizeString	(	const std::string &	rstrSource,
		std::vector< std::string > &	rTokensVector,
		const char &	rcDelimiters = ' ' )

Returns from a string all substrings, which are separated by a character, in one vector.

Parameters

[in]	rstrSource	The source string from which substrings are supplied.
[in,out]	rTokensVector	The vector in which the substrings are delivered.
[in]	rcDelimiters	The character that divides the source string into substrings.

See also

Taken from https://stackoverflow.com/questions/9823263/string-tokenization-in-c-including-delimiter-characters.

tokenizeString() [2/3]

__tool_export_dll void eut::StdStringFunctions::tokenizeString	(	const std::string &	rstrSource,
		std::vector< std::string > &	rTokensVector,
		const std::string &	rstrDelimiters = " " )

Returns from a string all substrings, which are separated by a character, in one vector.

Parameters

[in]	rstrSource	The source string from which substrings are supplied.
[in,out]	rTokensVector	The vector in which the substrings are delivered.
[in]	rstrDelimiters	The character that divides the source string into substrings.

See also

Taken from https://stackoverflow.com/questions/9823263/string-tokenization-in-c-including-delimiter-characters.

tokenizeString() [3/3]

__tool_export_dll void eut::StdStringFunctions::tokenizeString	(	const std::wstring &	rwsSource,
		std::vector< std::wstring > &	rTokensVector,
		wchar_t	wcDelimiters = L' ' )

Returns from a wstring all substrings, which are separated by a character, in one vector.

Parameters

[in]	rwsSource	The source string from which substrings are supplied.
[in,out]	rTokensVector	The vector in which the substrings are delivered.
[in]	wcDelimiters	The character that divides the source string into substrings.

toLower() [1/2]

__tool_export_dll std::string eut::StdStringFunctions::toLower

(

const std::string &

rstr

)

Converts all uppercase letters of the passed string to lowercase.

Parameters

[in,out]

rstr

The reference to the string to be processed.

Returns

The lowercase equivalent of rstr.

toLower() [2/2]

__tool_export_dll std::wstring eut::StdStringFunctions::toLower

(

const std::wstring &

rstr

)

Converts all uppercase letters of the passed string to lowercase.

Parameters

[in,out]

rstr

The reference to the string to be processed.

Returns

The lowercase equivalent of rstr.

toUpper() [1/2]

__tool_export_dll std::string eut::StdStringFunctions::toUpper

(

const std::string &

rstr

)

Converts all lowercase letters of the passed string to uppercase.

Parameters

[in,out]

rstr

The reference to the string to be processed.

Returns

The uppercase equivalent of rstr.

toUpper() [2/2]

__tool_export_dll std::wstring eut::StdStringFunctions::toUpper

(

const std::wstring &

rstr

)

Converts all lowercase letters of the passed string to uppercase.

Parameters

[in,out]

rstr

The reference to the string to be processed.

Returns

The uppercase equivalent of rstr.

trimString() [1/2]

__tool_export_dll void eut::StdStringFunctions::trimString	(	std::string &	rstr,
		char	c = ' ',
		EnStrPos	ePos = eBEFORE )

Trim for std::string inspired by:

Rodrigo C F Dias

Software Engineering Degree

Living in Natal, Brazil

See also

http://www.codeproject.com/Articles/10880/A-trim-implementation-for-std-string

Parameters

[in,out]	rstr	Reference to the string to be freed from leading and trailing characters.
[in]	c	The character to be removed. If rstr == "XXXTestX" and c =='X' and ePos == eBOTH, rstr == becomes "Test".
[in]	ePos	Specifies whether to remove at the beginning and/or the end.

Author

Rodrigo C F Dias

trimString() [2/2]

__tool_export_dll void eut::StdStringFunctions::trimString	(	std::wstring &	rstr,
		wchar_t	c = ' ',
		EnStrPos	ePos = eBEFORE )

Trim for std::string inspired by:

Rodrigo C F Dias

Software Engineering Degree

Living in Natal, Brazil

See also

http://www.codeproject.com/Articles/10880/A-trim-implementation-for-std-string

Parameters

[in,out]	rstr	Reference to the string to be freed from leading and trailing characters.
[in]	c	The character to be removed. If rstr == "XXXTestX" and c =='X' and ePos == eBOTH, rstr == becomes "Test".
[in]	ePos	Specifies whether to remove at the beginning and/or the end.

Author

Rodrigo C F Dias

wstring2string()

__tool_export_dll std::string eut::StdStringFunctions::wstring2string

(

const std::wstring &

rwsSourceString

)

Converts a std::wstring into a std::string.

Parameters

[in]

rwsSourceString

The std::wstring to be converted.

Returns

The resulting std::string.

Note

It is not convertetd to UTF-8 or any other code page, only the bytes are transferred.