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<?php |
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/** |
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* PhpFilterer |
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* |
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* @package php-logical-filter |
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* @author Jean Claveau |
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*/ |
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namespace JClaveau\LogicalFilter\Filterer; |
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use JClaveau\LogicalFilter\LogicalFilter; |
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use JClaveau\LogicalFilter\Rule\EqualRule; |
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use JClaveau\LogicalFilter\Rule\BelowRule; |
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use JClaveau\LogicalFilter\Rule\AboveRule; |
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use JClaveau\LogicalFilter\Rule\BelowOrEqualRule; |
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use JClaveau\LogicalFilter\Rule\AboveOrEqualRule; |
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use JClaveau\LogicalFilter\Rule\NotEqualRule; |
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use JClaveau\LogicalFilter\Rule\InRule; |
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use JClaveau\LogicalFilter\Rule\NotInRule; |
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use JClaveau\LogicalFilter\Rule\RegexpRule; |
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use JClaveau\LogicalFilter\FilteredKey; |
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use JClaveau\LogicalFilter\FilteredValue; |
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/** |
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*/ |
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class PhpFilterer extends Filterer |
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{ |
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/** |
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*/ |
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public function validateRule ($field, $operator, $value, $row, array $path, $all_operands, $options) |
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{ |
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if ($field instanceof FilteredValue) { |
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$value_to_validate = $field( $row ); |
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} |
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elseif ($field instanceof FilteredKey) { |
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$value_to_validate = $field( array_pop($path) ); |
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} |
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elseif (! isset($row[(string) $field])) { |
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$value_to_validate = null; |
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} |
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else { |
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$value_to_validate = $row[ $field ]; |
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} |
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if (EqualRule::operator === $operator) { |
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if (! isset($value_to_validate)) { |
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// ['field', '=', null] <=> isset($row['field']) |
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// [row, '=', null] <=> $row !== null |
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$result = null === $value; |
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} |
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else { |
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// TODO support strict comparisons |
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$result = $value_to_validate == $value; |
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} |
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} |
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View Code Duplication |
elseif (InRule::operator === $operator) { |
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$result = in_array( |
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isset($value_to_validate) ? $value_to_validate : null, |
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$value |
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); |
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} |
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elseif (BelowRule::operator === $operator) { |
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if (! isset($value_to_validate)) { |
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$result = false; |
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} |
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else { |
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$result = $value_to_validate < $value; |
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} |
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} |
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elseif (AboveRule::operator === $operator) { |
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if (! isset($value_to_validate)) { |
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$result = false; |
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} |
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else { |
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$result = $value_to_validate > $value; |
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} |
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} |
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elseif (NotEqualRule::operator === $operator) { |
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if (null === $value) { |
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$result = isset($value_to_validate); |
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} |
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else { |
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$result = $value_to_validate != $value; |
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} |
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} |
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View Code Duplication |
elseif (NotInRule::operator === $operator) { |
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$result = ! in_array( |
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isset($value_to_validate) ? $value_to_validate : null, |
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$value |
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); |
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} |
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elseif (AboveOrEqualRule::operator === $operator) { |
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if (! isset($value_to_validate)) { |
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$result = false; |
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} |
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else { |
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$result = $value_to_validate >= $value; |
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} |
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} |
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elseif (BelowOrEqualRule::operator === $operator) { |
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if (! isset($value_to_validate)) { |
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$result = false; |
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} |
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else { |
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$result = $value_to_validate <= $value; |
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} |
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} |
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elseif (RegexpRule::operator === $operator) { |
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if (! isset($value_to_validate)) { |
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$result = false; |
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} |
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View Code Duplication |
else { |
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try { |
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// TODO support optionnal parameters (offest mainly) ? |
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$result = preg_match($value, $value_to_validate); |
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} |
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catch (\Exception $e) { |
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// The documentation of preg_match() is wrong and preg_last_error() |
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// is useless as preg_match returns 0 instead of false |
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// and then throws an exception with PHP 5.6 |
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throw new \InvalidArgumentException( |
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"PCRE error ".var_export($e->getMessage(), true). |
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" while applying the regexp ".var_export($value, true)." to " |
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.var_export($value_to_validate, true) |
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); |
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} |
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$result = (bool) $result; |
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} |
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} |
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else { |
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throw new \InvalidArgumentException( |
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"Unhandled operator: " . $operator |
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); |
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} |
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// var_dump( |
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// "$field, $operator, " . var_export($value, true) |
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// . ' vs ' . var_export($value_to_validate, true) . ' => ' . var_export($result, true) |
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// . "\n\n" |
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// . var_export($row, true) |
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// ); |
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// exit; |
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return $result; |
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} |
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/**/ |
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} |
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jclaveau /
php-logical-filter
Loading history...
Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation.
You can also find more detailed suggestions in the “Code” section of your repository.