Docs For Class ExpressionValueParser

Class: ExpressionValueParser

Inherited Variables

Inherited Methods

Class Details

Searches expression strings for constant values

WARNING: this parser defaults to data binding expressions. That means if it doest recognise a integer, float or string constant, what it calls a data binding expression may not in fact be a data binding expression. It assumes that Expression::createValue asks it a parse a valid value string

access:

protected

Class Variables

$Value =

var:	constant value (string/int/float)
access:	protected

Type:

mixed

$ValueType = EXPRESSION_VALUE_DATABINDING

var:	constant identifying type of value
access:	protected

Type:

int

Class Methods

constructor ExpressionValueParser

Invokes the Lexer to parse the expression

ExpressionValueParser ExpressionValueParser(
string
$expression)

Parameters:

string

$expression

expression to parse

method acceptDatabinding

Lexer callback - accepts the default data binding expression - called if no constants found

boolean acceptDatabinding(
string
$expression, int
$state)

API Tags:

return:	TRUE
access:	private

Parameters:

string	$expression	parsed expression
int	$state	expression lexer state

method acceptFloat

Lexer callback - called for float constants

boolean acceptFloat(
string
$float, int
$state)

API Tags:

return:	TRUE
access:	private

Parameters:

string	$float	matched float
int	$state	expression lexer state

method acceptInteger

Lexer callback - called for integer constants

boolean acceptInteger(
string
$int, int
$state)

API Tags:

return:	TRUE
access:	private

Parameters:

string	$int	matched integer
int	$state	expression lexer state

method acceptString

Lexer callback - called for string constants

boolean acceptString(
string
$string, int
$state)

API Tags:

return:	TRUE
access:	private

Parameters:

string	$string	matched string
int	$state	expression lexer state

method getLexer

Creates the Lexer.

Ideally this should be a static instance for performance but Lexer left in strange state after parsing if static

ExpressionLexer &getLexer(
)

API Tags:

access:

private

Documentation generated on Sun, 28 Nov 2004 19:46:23 -0800 by phpDocumentor 1.2.3

Class: ExpressionValueParser

Class Overview

Variables

Methods

Inherited Variables

Inherited Methods

Class Details

Class Variables

$Value =

$ValueType = EXPRESSION_VALUE_DATABINDING

Class Methods

constructor ExpressionValueParser

Parameters:

method acceptDatabinding

API Tags:

Parameters:

method acceptFloat

API Tags:

Parameters:

method acceptInteger

API Tags:

Parameters:

method acceptString

API Tags:

Parameters:

method getLexer

API Tags: