Completed
Pull Request — master (#43)
by Rick
115:12 queued 91:14
created

Chain::filter()   B

Complexity

Conditions 5
Paths 4

Size

Total Lines 22
Code Lines 12

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 11
CRAP Score 5.246

Importance

Changes 9
Bugs 0 Features 4
Metric Value
c 9
b 0
f 4
dl 0
loc 22
ccs 11
cts 14
cp 0.7856
rs 8.6737
cc 5
eloc 12
nc 4
nop 3
crap 5.246
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<?php
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/**
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 * Particle.
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 *
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 * @link      http://github.com/particle-php for the canonical source repository
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 * @copyright Copyright (c) 2005-2015 Particle (http://particle-php.com)
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 * @license   https://github.com/particle-php/Filter/blob/master/LICENSE New BSD License
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 */
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namespace Particle\Filter;
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use Particle\Filter\Exception\ExpectFilterResultException;
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/**
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 * Class Chain
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 *
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 * @package Particle\Filter
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 */
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class Chain
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{
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    /**
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     * @var FilterRule[]
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     */
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    protected $rules;
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    /**
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     * Execute all filters in the chain
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     *
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     * @param bool $isNotEmpty
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     * @param mixed $value
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     * @param array|null $filterData
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     * @return FilterResult
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     * @throws ExpectFilterResultException
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     */
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    public function filter($isNotEmpty, $value = null, $filterData = null)
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    {
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        /** @var FilterRule $rule */
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        foreach ($this->rules as $rule) {
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            $rule->setFilterData($filterData);
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            if ($isNotEmpty || $rule->allowedNotSet()) {
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                $filterResult = $rule->filter($value);
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                if (!$filterResult instanceof FilterResult) {
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                    throw new ExpectFilterResultException(
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                        'A FilterResult object must be returned by the FilterRule->filter function.'
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                        . ' Got another value from ' . get_class($rule)
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                    );
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                }
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                $isNotEmpty = $filterResult->isNotEmpty();
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                $value = $filterResult->getFilteredValue();
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            }
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        }
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        return new FilterResult($isNotEmpty, $value);
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    }
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    /**
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     * Add a new rule to the chain
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     *
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     * @param FilterRule $rule
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     * @param string|null $encodingFormat
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     * @return $this
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     */
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    public function addRule(FilterRule $rule, $encodingFormat)
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    {
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        $rule->setEncodingFormat($encodingFormat);
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        $this->rules[] = $rule;
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        return $this;
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    }
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}
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