1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 <?php
/*
* This file is part of the ICanBoogie package.
*
* (c) Olivier Laviale <olivier.laviale@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace ICanBoogie\Facets;
/**
* Representation of a generic criterion value.
*
* @package ICanBoogie\Facets
*/
class CriterionValue
{
/**
* Creates an instance from the specified criterion value.
*
* Only instances of {@link SetCriterionValue} and {@link IntervalCriterionValue} are currently
* supported. The criterion value is returned as is if it cannot be represented by either one
* of these classes.
*
* Note: {@link IntervalCriterionValue} instances are replaced with simpler values whenever
* possible. For instance `1..1` or `[ 'min' => 1, 'max' => 1 ]` are both replaced by `1`.
*
* @param mixed $value
*
* @return SetCriterionValue|IntervalCriterionValue|mixed
*/
static public function from($value)
{
if ((!$value && $value !== 0 && $value !== '0')
|| $value === SetCriterionValue::SEPARATOR
|| $value === IntervalCriterionValue::SEPARATOR)
{
return null;
}
#
$instance = IntervalCriterionValue::from($value);
if ($instance instanceof IntervalCriterionValue)
{
if ($instance->min == $instance->max)
{
return $instance->min;
}
return $instance;
}
#
$instance = SetCriterionValue::from($value);
if ($instance instanceof SetCriterionValue)
{
if ($instance->count() !== 1)
{
return $instance;
}
$value = (string) $instance;
}
#
return trim($value);
}
protected $value;
public function __construct($value)
{
$this->value = $value;
}
public function __toString()
{
return (string) $this->value;
}
}