#include <BALL/DATATYPE/regularExpression.h>

Public Member Functions
Constructors and Destructors
	RegularExpression ()
	Default constructor. More...

	RegularExpression (const RegularExpression &regular_expression)
	Copy constructor. More...

	RegularExpression (const String &pattern, bool wildcard_pattern=false)

virtual	~RegularExpression ()
	Destructor. More...

virtual void	clear ()
	Reset the object attributes to their default values. More...

void	destroy ()
	Destroy the instance. More...

Assignment
RegularExpression &	operator= (const RegularExpression &expression)
	Assignment operator. More...

void	set (const RegularExpression &regular_expression)
	Assign from another instance. More...

void	set (const String &pattern, bool wildcard_pattern=false)
	Assign from a string. More...

void	get (RegularExpression &regular_expression) const
	Assign to another instance. More...

Predicates
bool	isEmpty () const

bool	operator== (const RegularExpression &regular_expression) const

bool	operator!= (const RegularExpression &regular_expression) const

bool	operator< (const RegularExpression &regular_expression) const

bool	operator<= (const RegularExpression &regular_expression) const

bool	operator>= (const RegularExpression &regular_expression) const

bool	operator> (const RegularExpression &regular_expression) const

Debugging and Diagnostics
virtual bool	isValid () const

virtual void	dump (std::ostream &s=std::cout, Size depth=0) const

Static Public Attributes
String constants
static const String	ALPHA

static const String	ALPHANUMERIC

static const String	REAL

static const String	IDENTIFIER

static const String	INTEGER

static const String	HEXADECIMAL_INTEGER

static const String	LOWERCASE

static const String	NON_ALPHA

static const String	NON_ALPHANUMERIC

static const String	NON_NUMERIC

static const String	NON_WHITESPACE

static const String	UPPERCASE

static const String	WHITESPACE

Private Member Functions
void	compilePattern_ ()

void	toExtendedRegularExpression_ ()

Private Attributes
regex_t	regex_

String	pattern_

bool	valid_pattern_

Friends
Storers
BALL_EXPORT friend std::ostream &	operator<< (std::ostream &s, const RegularExpression &regular_expression)

BALL_EXPORT friend std::istream &	operator>> (std::istream &s, RegularExpression &regular_expression)

Accessors
const String &	getPattern () const
	Get the expression pattern. More...

Size	countSubexpressions () const
	Count subexpressions. More...

bool	match (const String &text, Index from=0, int execute_flags=0) const

bool	match (const Substring &text, Index from=0, int execute_flags=0) const

bool	match (const char *text, int execute_flags=0) const

bool	find (const String &text, Substring &found, Index from=0, int execute_flags=0) const

bool	find (const String &text, vector< Substring > &subexpressions, Index from=0, int execute_flags=0) const

static bool	match (const char text, const char pattern, int compile_flags=0\|REG_EXTENDED\|REG_NOSUB, int execute_flags=0)

Detailed Description

Regular expression class

Definition at line 54 of file regularExpression.h.

Constructor & Destructor Documentation

BALL::RegularExpression::RegularExpression ( )

Default constructor.

BALL::RegularExpression::RegularExpression ( const RegularExpression & regular_expression )

Copy constructor.

BALL::RegularExpression::RegularExpression	(	const String &	pattern,
		bool	wildcard_pattern = `false`
	)

virtual BALL::RegularExpression::~RegularExpression ( )

virtual

Destructor.

Member Function Documentation

virtual void BALL::RegularExpression::clear ( )

virtual

Reset the object attributes to their default values.

void BALL::RegularExpression::compilePattern_ ( )

private

Size BALL::RegularExpression::countSubexpressions ( ) const

Count subexpressions.

void BALL::RegularExpression::destroy ( )

Destroy the instance.

virtual void BALL::RegularExpression::dump	(	std::ostream &	s = `std::cout`,
		Size	depth = `0`
	)		const

virtual

Dump this instance to an ostream depth is normaly just used for internal use.

Parameters

s	the ostream, default is the standard output
depth	the indentation depth of the output

bool BALL::RegularExpression::find	(	const String &	text,
		Substring &	found,
		Index	from = `0`,
		int	execute_flags = `0`
	)		const

Find this expression in a string

Parameters

from	index in the string to start the matching
found	the result is stored as a substring here
execute_flags	?????

Exceptions

Exception::IndexUnderflow	if from < 0
Exception::IndexOverflow	if from >= text.size()

bool BALL::RegularExpression::find	(	const String &	text,
		vector< Substring > &	subexpressions,
		Index	from = `0`,
		int	execute_flags = `0`
	)		const

Find this expression in a string

Parameters

text	to process
subexpressions	the results are stored here
from	index in the string to start the matching
execute_flags	?????

Exceptions

Exception::IndexUnderflow	if from < 0
Exception::IndexOverflow	if from >= text.size()

void BALL::RegularExpression::get ( RegularExpression & regular_expression ) const

Assign to another instance.

const String& BALL::RegularExpression::getPattern ( ) const

Get the expression pattern.

bool BALL::RegularExpression::isEmpty ( ) const

Test if expression is empty.

virtual bool BALL::RegularExpression::isValid ( ) const

virtual

Test if instance is valid.

static bool BALL::RegularExpression::match	(	const char *	text,
		const char *	pattern,
		int	compile_flags = `0\|REG_EXTENDED\|REG_NOSUB`,
		int	execute_flags = `0`
	)

static

Match a text with a given pattern.

Parameters

text	to process
pattern	to compare with
compile_flags	?????
execute_flags	?????

Exceptions

NullPointer if text or pattern are NULL

bool BALL::RegularExpression::match	(	const String &	text,
		Index	from = `0`,
		int	execute_flags = `0`
	)		const

Match a text with this regular expression.

Parameters

text	to process
from	index in the string to start the matching
execute_flags	?????

Exceptions

Exception::IndexUnderflow	if from < 0
Exception::IndexOverflow	if from > text.size()

bool BALL::RegularExpression::match	(	const Substring &	text,
		Index	from = `0`,
		int	execute_flags = `0`
	)		const

Match a substring with this regular expression.

Parameters

text	to process
from	index in the substring to start the matching
execute_flags	?????

Exceptions

Exception::InvalidSubstring	if text is invalid
Exception::IndexUnderflow	if from < 0
Exception::IndexOverflow	if from > text.size()

bool BALL::RegularExpression::match	(	const char *	text,
		int	execute_flags = `0`
	)		const

Match a C-String with this regular expression.

Parameters

text	to process
execute_flags	?????

Exceptions

NullPointer if text is NULL

bool BALL::RegularExpression::operator!= ( const RegularExpression & regular_expression ) const

Inequality operator

bool BALL::RegularExpression::operator< ( const RegularExpression & regular_expression ) const

Less operator

bool BALL::RegularExpression::operator<= ( const RegularExpression & regular_expression ) const

Less or equal operator

RegularExpression& BALL::RegularExpression::operator= ( const RegularExpression & expression )

Assignment operator.

bool BALL::RegularExpression::operator== ( const RegularExpression & regular_expression ) const

Equality operator

bool BALL::RegularExpression::operator> ( const RegularExpression & regular_expression ) const

Greater operator

bool BALL::RegularExpression::operator>= ( const RegularExpression & regular_expression ) const

Greater or equal operator

void BALL::RegularExpression::set ( const RegularExpression & regular_expression )

Assign from another instance.

void BALL::RegularExpression::set	(	const String &	pattern,
		bool	wildcard_pattern = `false`
	)

Assign from a string.

void BALL::RegularExpression::toExtendedRegularExpression_ ( )

private

Friends And Related Function Documentation

BALL_EXPORT friend std::ostream& operator<<	(	std::ostream &	s,
		const RegularExpression &	regular_expression
	)

friend

output operator

BALL_EXPORT friend std::istream& operator>>	(	std::istream &	s,
		RegularExpression &	regular_expression
	)

friend

input operator

Member Data Documentation

const String BALL::RegularExpression::ALPHA

static

alphabetic letters.

Definition at line 66 of file regularExpression.h.

const String BALL::RegularExpression::ALPHANUMERIC

static

alphanumeric letters

Definition at line 70 of file regularExpression.h.

const String BALL::RegularExpression::HEXADECIMAL_INTEGER

static

hexadecimal and integer characters

Definition at line 86 of file regularExpression.h.

const String BALL::RegularExpression::IDENTIFIER

static

identifier characters

Definition at line 78 of file regularExpression.h.

const String BALL::RegularExpression::INTEGER

static

integer characters

Definition at line 82 of file regularExpression.h.

const String BALL::RegularExpression::LOWERCASE

static

lowercase letters

Definition at line 90 of file regularExpression.h.

const String BALL::RegularExpression::NON_ALPHA

static

non alphabetic characters

Definition at line 94 of file regularExpression.h.

const String BALL::RegularExpression::NON_ALPHANUMERIC

static

non alphanumeric characters

Definition at line 98 of file regularExpression.h.

const String BALL::RegularExpression::NON_NUMERIC

static

non numeric characters

Definition at line 102 of file regularExpression.h.

const String BALL::RegularExpression::NON_WHITESPACE

static

non whitespace charcters

Definition at line 106 of file regularExpression.h.

String BALL::RegularExpression::pattern_

private

Definition at line 298 of file regularExpression.h.

const String BALL::RegularExpression::REAL

static

real numbers

Definition at line 74 of file regularExpression.h.

regex_t BALL::RegularExpression::regex_

private

Definition at line 296 of file regularExpression.h.

const String BALL::RegularExpression::UPPERCASE

static

uppercase letters.

Definition at line 110 of file regularExpression.h.

bool BALL::RegularExpression::valid_pattern_

private

Definition at line 299 of file regularExpression.h.

const String BALL::RegularExpression::WHITESPACE

static

whitespace characters.

Definition at line 114 of file regularExpression.h.

Public Member Functions

Static Public Attributes

Private Member Functions

Private Attributes

Friends

Accessors

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Friends And Related Function Documentation

Member Data Documentation