ilAssLacAbstractExpression Class Reference

Class AbstractExpression. More...

Inheritance diagram for ilAssLacAbstractExpression:

Collaboration diagram for ilAssLacAbstractExpression:

Public Member Functions
	parseValue ($value)
	Parses the delivered Value and sets the relevant information for an Expression as attributes. More...
Public Member Functions inherited from ilAssLacAbstractComposite
	addNode (ilAssLacCompositeInterface $node)
	Adds an ilAssLacCompositeInterface object to the node array which represents the condition tree structure. More...
	describe ()
	Describes a Composite tree Structure as human readable string. More...
Public Member Functions inherited from ilAssLacCompositeInterface
	addNode (ilAssLacCompositeInterface $node)
	Adds an CompositeInterface object to the node array which represents the condition tree structure. More...
	describe ()
	Describes a Composite tree Structure as human readable string. More...
	getDescription ()
	Get a human readable description of the Composite element. More...
Public Member Functions inherited from ilAssLacExpressionInterface
	getValue ()
	Get the value of this Expression. More...
	parseValue ($value)
	Parses the delivered Value and sets the relevant information for an Expression as attributes. More...

Protected Member Functions
	getPattern ()
	Get the Pattern to match relevant informations for an Expression. More...
	setMatches ($matches)
	Sets the result of the parsed value by a specific expression pattern. More...

Additional Inherited Members
Data Fields inherited from ilAssLacAbstractComposite
	$nodes = array()

Detailed Description

Class AbstractExpression.

Date: 25.03.13 Time: 15:42

Author

Thomas Joußen tjous.nosp@m.sen@.nosp@m.datab.nosp@m.ay.d.nosp@m.e

Definition at line 13 of file ilAssLacAbstractExpression.php.

Member Function Documentation

getPattern()

ilAssLacAbstractExpression::getPattern ( )

protected

Get the Pattern to match relevant informations for an Expression.

Returns

string

Reimplemented in ilAssLacAnswerOfCurrentQuestionExpression, ilAssLacAnswerOfQuestionExpression, ilAssLacEmptyAnswerExpression, ilAssLacExclusiveResultExpression, ilAssLacMatchingResultExpression, ilAssLacOrderingResultExpression, ilAssLacResultOfAnswerOfCurrentQuestionExpression, ilAssLacResultOfAnswerOfQuestionExpression, and ilAssLacStringResultExpression.

Definition at line 21 of file ilAssLacAbstractExpression.php.

    {
        return '/-?[0-9\.]+/';
    }

Referenced by parseValue().

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parseValue()

ilAssLacAbstractExpression::parseValue

(

$value

)

Parses the delivered Value and sets the relevant information for an Expression as attributes.

Parameters

string

$value

Implements ilAssLacExpressionInterface.

Definition at line 31 of file ilAssLacAbstractExpression.php.

    {
        $result = array();
        preg_match_all($this->getPattern(), $value, $result);
        $this->setMatches($result);
    }

References $result, getPattern(), and setMatches().

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setMatches()

ilAssLacAbstractExpression::setMatches (   $matches )

abstractprotected

Sets the result of the parsed value by a specific expression pattern.

See also

ExpressionInterface::parseValue()

ExpressionInterface::getPattern()

Parameters

array

$matches

Reimplemented in ilAssLacAnswerOfCurrentQuestionExpression, ilAssLacAnswerOfQuestionExpression, ilAssLacEmptyAnswerExpression, ilAssLacExclusiveResultExpression, ilAssLacMatchingResultExpression, ilAssLacNumberOfResultExpression, ilAssLacNumericResultExpression, ilAssLacOrderingResultExpression, ilAssLacPercentageResultExpression, ilAssLacResultOfAnswerOfCurrentQuestionExpression, ilAssLacResultOfAnswerOfQuestionExpression, and ilAssLacStringResultExpression.

Referenced by parseValue().

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

• Modules/TestQuestionPool/classes/questions/LogicalAnswerCompare/Expressions/ilAssLacAbstractExpression.php