CLDRPluralRuleParser\Converter Class Reference

Helper class for converting rules to reverse polish notation (RPN). More...

Static Public Member Functions
static	convert ( $rule)
	Convert a rule to RPN.

Public Attributes
	$rule
	$pos
	$end
	$operators = []
	$operands = []

Protected Member Functions
	__construct (string $rule)
	Private constructor.
	nextToken ()
	Fetch the next token from the input string.
	doOperation (Operator $op)
	For the binary operator $op, pop its operands off the stack and push a fragment with rpn and type members describing the result of that operation.
	newNumber (string $text, int $pos)
	Create a numerical expression object.
	newOperator (string $type, int $pos, int $length)
	Create a binary operator.
	error (string $message)
	Throw an error.

Detailed Description

Helper class for converting rules to reverse polish notation (RPN).

Constructor & Destructor Documentation

__construct()

CLDRPluralRuleParser\Converter::__construct ( string  $rule )

protected

Private constructor.

Parameters

string

$rule

Member Function Documentation

convert()

static CLDRPluralRuleParser\Converter::convert (   $rule )

static

Convert a rule to RPN.

This is the only public entry point.

Parameters

string

$rule

The rule to convert

Returns

string The RPN representation of the rule

doOperation()

CLDRPluralRuleParser\Converter::doOperation ( Operator  $op )

protected

For the binary operator $op, pop its operands off the stack and push a fragment with rpn and type members describing the result of that operation.

Parameters

Operator

$op

error()

CLDRPluralRuleParser\Converter::error ( string  $message )

protected

Throw an error.

Parameters

string

$message

Exceptions

Error

Returns

never

newNumber()

CLDRPluralRuleParser\Converter::newNumber ( string  $text, int  $pos  )

protected

Create a numerical expression object.

Parameters

string	$text
int	$pos

Returns

Expression The numerical expression

newOperator()

CLDRPluralRuleParser\Converter::newOperator ( string  $type, int  $pos, int  $length  )

protected

Create a binary operator.

Parameters

string	$type
int	$pos
int	$length

Returns

Operator The operator

nextToken()

CLDRPluralRuleParser\Converter::nextToken ( )

protected

Fetch the next token from the input string.

Returns

Fragment|false The next token

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

• src/Converter.php