It is intended to encode a character string comparison operator with pattern matching. More...

#include <Like.h>

Inheritance diagram for te::da::Like:

Public Types
typedef void	ReturnType

typedef QueryVisitor	VisitorType

Public Member Functions
virtual ReturnType	accept (VisitorType &guest) const=0
	It call the visit method from the guest object.

void	add (Expression *arg)
	It adds the argument to the function list of arguments.

Expression *	clone () const
	It creates a new copy of this expression.

Expression *	getArg (std::size_t i) const
	It returns the i-th function argument.

const std::string &	getEscapeChar () const
	It returns the escape character.

const std::string &	getName () const
	It returns the function name.

std::size_t	getNumArgs () const
	It returns the number of arguments informed to the function.

te::da::LiteralString *	getPattern () const
	It returns the pattern used in the comparison.

const std::string &	getSingleChar () const
	It returns the single wild character.

Expression *	getString () const
	It returns the string expression to be compared with the like operator.

const std::string &	getWildCard () const
	It returns the wild character.

	Like (const Expression &str, const std::string &pattern, const std::string &wildCard="%", const std::string &singleChar="_", const std::string &escapeChar="\\")
	Constructor.

	Like (const Like &rhs)
	Copy constructor.

TE_DEFINE_VISITABLE	Like (Expression *str, const std::string &pattern, const std::string &wildCard="%", const std::string &singleChar="_", const std::string &escapeChar="\\")
	Constructor.

Like &	operator= (const Like &rhs)

Expression *	operator[] (std::size_t i) const
	It returns the i-th function argument.

void	setEscapeChar (const std::string &e)
	It sets the escape character.

void	setPattern (const std::string &p)
	It sets the pattern to be used in the comparison.

void	setSingleChar (const std::string &s)
	It sets the wild single character.

void	setString (Expression *str)
	It sets the string expression to be compared with the like operator.

void	setWildCard (const std::string &w)
	It sets the wild character.

	~Like ()
	Destructor.

Protected Attributes
std::vector< Expression * >	m_args
	The list of arguments.

std::string	m_name
	The function name. May be an operator symbol or just a regular name like ST_Intersects.

Private Attributes
std::string	m_escapeChar
	The escape char character is used to escape the meaning of the wild card, single char and escape char itself.

std::string	m_singleChar
	The single char character matches exactly one character.

std::string	m_wildCard
	The wild card character matches zero or more characters.

Detailed Description

It is intended to encode a character string comparison operator with pattern matching.

See also: Function

Definition at line 43 of file Like.h.

Member Typedef Documentation

◆ ReturnType

typedef void te::common::BaseVisitable< QueryVisitor , void >::ReturnType

inherited

Definition at line 58 of file BaseVisitable.h.

◆ VisitorType

typedef QueryVisitor te::common::BaseVisitable< QueryVisitor , void >::VisitorType

inherited

Definition at line 57 of file BaseVisitable.h.

Constructor & Destructor Documentation

◆ Like() [1/3]

TE_DEFINE_VISITABLE te::da::Like::Like	(	Expression *	str,
		const std::string &	pattern,
		const std::string &	wildCard = `"%"`,
		const std::string &	singleChar = `"_"`,
		const std::string &	escapeChar = `"\\"`
	)

Constructor.

Parameters

str	The operator will take the expression ownership.

◆ Like() [2/3]

te::da::Like::Like	(	const Expression &	str,
		const std::string &	pattern,
		const std::string &	wildCard = `"%"`,
		const std::string &	singleChar = `"_"`,
		const std::string &	escapeChar = `"\\"`
	)

Constructor.

◆ ~Like()

te::da::Like::~Like ( )

Destructor.

◆ Like() [3/3]

te::da::Like::Like ( const Like & rhs )

Copy constructor.

Member Function Documentation

◆ accept()

virtual ReturnType te::common::BaseVisitable< QueryVisitor , void >::accept ( VisitorType & guest ) const

pure virtualinherited

It call the visit method from the guest object.

Parameters

guest The guest or visitor.

Returns: Any valid value define by the template type R.

◆ add()

void te::da::Function::add ( Expression * arg )

inherited

It adds the argument to the function list of arguments.

Parameters

arg	The argument to be added.

Note: The Function will take the ownership of the given argument.

◆ clone()

Expression * te::da::Like::clone ( ) const

virtual

It creates a new copy of this expression.

Reimplemented from te::da::Function.

◆ getArg()

Expression * te::da::Function::getArg ( std::size_t i ) const

inherited

It returns the i-th function argument.

Parameters

i	The argument position.

Returns: The it-th function argument.

◆ getEscapeChar()

const std::string & te::da::Like::getEscapeChar ( ) const

It returns the escape character.

Returns: The escape character.

◆ getName()

const std::string & te::da::Function::getName ( ) const

inlineinherited

It returns the function name.

Returns: The function name.

Definition at line 79 of file Function.h.

◆ getNumArgs()

std::size_t te::da::Function::getNumArgs ( ) const

inherited

It returns the number of arguments informed to the function.

Returns: The number of parameters.

◆ getPattern()

te::da::LiteralString * te::da::Like::getPattern ( ) const

It returns the pattern used in the comparison.

Returns: The pattern used in the comparison.

◆ getSingleChar()

const std::string & te::da::Like::getSingleChar ( ) const

It returns the single wild character.

Returns: The single wild character.

◆ getString()

Expression * te::da::Like::getString ( ) const

It returns the string expression to be compared with the like operator.

Returns: The string expression to be compared with the like operator.

◆ getWildCard()

const std::string & te::da::Like::getWildCard ( ) const

It returns the wild character.

Returns: The wild character.

◆ operator=()

Like & te::da::Like::operator= ( const Like & rhs )

Assignment operator.

◆ operator[]()

Expression * te::da::Function::operator[] ( std::size_t i ) const

inherited

It returns the i-th function argument.

Parameters

i	The argument position.

Returns: The it-th function argument.

◆ setEscapeChar()

void te::da::Like::setEscapeChar ( const std::string & e )

It sets the escape character.

Parameters

e	The escape character.

◆ setPattern()

void te::da::Like::setPattern ( const std::string & p )

It sets the pattern to be used in the comparison.

Parameters

p	The pattern to be used in the comparison.

◆ setSingleChar()

void te::da::Like::setSingleChar ( const std::string & s )

It sets the wild single character.

Parameters

s	The wild single character.

◆ setString()

void te::da::Like::setString ( Expression * str )

It sets the string expression to be compared with the like operator.

Parameters

str	The string expression to be compared with the like operator.

◆ setWildCard()

void te::da::Like::setWildCard ( const std::string & w )

It sets the wild character.

Parameters

w	The wild character.

Member Data Documentation

◆ m_args

std::vector<Expression*> te::da::Function::m_args

protectedinherited

The list of arguments.

Definition at line 118 of file Function.h.

◆ m_escapeChar

std::string te::da::Like::m_escapeChar

private

The escape char character is used to escape the meaning of the wild card, single char and escape char itself.

Definition at line 153 of file Like.h.

◆ m_name

std::string te::da::Function::m_name

protectedinherited

The function name. May be an operator symbol or just a regular name like ST_Intersects.

Definition at line 117 of file Function.h.

◆ m_singleChar

std::string te::da::Like::m_singleChar

private

The single char character matches exactly one character.

Definition at line 152 of file Like.h.

◆ m_wildCard

std::string te::da::Like::m_wildCard

private

The wild card character matches zero or more characters.

Definition at line 151 of file Like.h.

The documentation for this class was generated from the following file:

/home/castejon/castejon_files/develop/terralib5/git_release/src/terralib/dataaccess/query/Like.h

Public Types

Public Member Functions

Protected Attributes

Private Attributes

Detailed Description

Member Typedef Documentation

◆ ReturnType

◆ VisitorType

Constructor & Destructor Documentation

◆ Like() [1/3]

◆ Like() [2/3]

◆ ~Like()

◆ Like() [3/3]

Member Function Documentation

◆ accept()

◆ add()

◆ clone()

◆ getArg()

◆ getEscapeChar()

◆ getName()

◆ getNumArgs()

◆ getPattern()

◆ getSingleChar()

◆ getString()

◆ getWildCard()

◆ operator=()

◆ operator[]()

◆ setEscapeChar()

◆ setPattern()

◆ setSingleChar()

◆ setString()

◆ setWildCard()

Member Data Documentation

◆ m_args

◆ m_escapeChar

◆ m_name

◆ m_singleChar

◆ m_wildCard