A simple class to express a naive range of whole positive numbers. More...

Collaboration diagram for ILIAS\Data\Range:

Public Member Functions
	__construct (int $start, int $length)

	unpack ()

	getStart ()

	getLength ()

	getEnd ()

	withStart (int $start)

	withLength (int $length)

Protected Member Functions
	checkStart (int $start)

	checkLength (int $length)

Protected Attributes
	$start

	$length

Detailed Description

A simple class to express a naive range of whole positive numbers.

Author: Nils Haagen nils..nosp@m.haag.nosp@m.en@co.nosp@m.ncep.nosp@m.ts-an.nosp@m.d-tr.nosp@m.ainin.nosp@m.g.de

Definition at line 10 of file Range.php.

Constructor & Destructor Documentation

◆ __construct()

ILIAS\Data\Range::__construct	(	int	$start,
		int	$length
	)

Definition at line 23 of file Range.php.

    {
        $this->checkStart($start);
        $this->checkLength($length);
        $this->start = $start;
        $this->length = $length;
    }

References ILIAS\Data\Range\$length, ILIAS\Data\Range\$start, ILIAS\Data\Range\checkLength(), and ILIAS\Data\Range\checkStart().

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Member Function Documentation

◆ checkLength()

ILIAS\Data\Range::checkLength ( int $length )

protected

Definition at line 38 of file Range.php.

    {
        if ($length < 1) {
            throw new \InvalidArgumentException("Length must be larger than 1", 1);
        }
    }

References ILIAS\Data\Range\$length.

Referenced by ILIAS\Data\Range\__construct(), and ILIAS\Data\Range\withLength().

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◆ checkStart()

ILIAS\Data\Range::checkStart ( int $start )

protected

Definition at line 31 of file Range.php.

    {
        if ($start < 0) {
            throw new \InvalidArgumentException("Start must be a positive number (or 0)", 1);
        }
    }

References ILIAS\Data\Range\$start.

Referenced by ILIAS\Data\Range\__construct(), and ILIAS\Data\Range\withStart().

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◆ getEnd()

ILIAS\Data\Range::getEnd ( )

Definition at line 60 of file Range.php.

                             : int
    {
        return $this->start + $this->length;
    }

References ILIAS\Data\Range\$length.

Referenced by RangeTest\testEndCalculation(), RangeTest\testWithLength(), and RangeTest\testWithStart().

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◆ getLength()

ILIAS\Data\Range::getLength ( )

Definition at line 55 of file Range.php.

                                : int
    {
        return $this->length;
    }

References ILIAS\Data\Range\$length.

Referenced by RangeTest\testValues(), RangeTest\testWithLength(), and RangeTest\testWithStart().

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◆ getStart()

ILIAS\Data\Range::getStart ( )

Definition at line 50 of file Range.php.

                               : int
    {
        return $this->start;
    }

References ILIAS\Data\Range\$start.

Referenced by RangeTest\testValues(), RangeTest\testWithLength(), and RangeTest\testWithStart().

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◆ unpack()

ILIAS\Data\Range::unpack ( )

Definition at line 45 of file Range.php.

                             : array
    {
        return [$this->start, $this->length];
    }

References ILIAS\Data\Range\$length, and ILIAS\Data\Range\$start.

Referenced by RangeTest\testUnpack().

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◆ withLength()

ILIAS\Data\Range::withLength ( int $length )

Definition at line 73 of file Range.php.

                                            : Range
    {
        $this->checkLength($length);
        $clone = clone $this;
        $clone->length = $length;
        return $clone;
    }

References ILIAS\Data\Range\$length, and ILIAS\Data\Range\checkLength().

Referenced by RangeTest\testNegativeLength(), RangeTest\testNullLength(), and RangeTest\testWithLength().

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◆ withStart()

ILIAS\Data\Range::withStart ( int $start )

Definition at line 65 of file Range.php.

                                          : Range
    {
        $this->checkStart($start);
        $clone = clone $this;
        $clone->start = $start;
        return $clone;
    }