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<?php |
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declare(strict_types=1); |
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/** |
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* Caridea |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); you may not |
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* use this file except in compliance with the License. You may obtain a copy of |
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* the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
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* License for the specific language governing permissions and limitations under |
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* the License. |
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* |
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* @copyright 2015-2018 LibreWorks contributors |
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* @license Apache-2.0 |
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*/ |
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namespace Caridea\Validate; |
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/** |
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* Builds validators. |
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* |
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* @copyright 2015-2018 LibreWorks contributors |
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* @license Apache-2.0 |
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*/ |
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class Builder |
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{ |
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/** |
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* @var \Caridea\Validate\Registry |
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*/ |
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private $registry; |
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/** |
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* @var array<string,array<Rule>> |
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*/ |
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private $validators = []; |
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/** |
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* Creates a new Validation Builder. |
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* |
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* @param \Caridea\Validate\Registry $registry The registry. |
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*/ |
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public function __construct(Registry $registry) |
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{ |
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$this->registry = $registry; |
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} |
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/** |
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* Adds one or more rules to this builder. |
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* |
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* @param string $field The field to validate |
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* @param string|object|array $rules Either a string name, an associative |
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* array, or an object with name → arguments |
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* @return $this provides a fluent interface |
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*/ |
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public function field(string $field, ...$rules): self |
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{ |
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$vrules = []; |
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foreach ($rules as $rule) { |
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$vrules = array_merge($vrules, $this->getRule($rule)); |
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} |
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$this->validators[$field] = $vrules; |
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return $this; |
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} |
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/** |
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* Builds a validator for the provided ruleset. |
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* |
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* ```javascript |
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* // rules.json |
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* { |
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* name: 'required', |
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* email: ['required', 'email'], |
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* drinks: { one_of: [['coffee', 'tea']] }, |
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* phone: {max_length: 10} |
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* } |
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* ``` |
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* ```php |
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* $ruleset = json_decode(file_get_contents('rules.json')); |
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* $builder = new \Caridea\Validate\Builder(); |
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* $validator = $builder->build($ruleset); |
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* ``` |
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* |
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* @param object|array $ruleset Object or associative array (as returned |
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* from `json_decode`) with ruleset, or `null` to use defined rules. |
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* @return \Caridea\Validate\Validator the built validator |
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*/ |
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public function build($ruleset = null): Validator |
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{ |
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$validators = array_merge([], $this->validators); |
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if (is_object($ruleset) || (is_array($ruleset) && count(array_filter(array_keys($ruleset), 'is_string')) > 0)) { |
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foreach ($ruleset as $field => $rules) { |
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$isArray = is_array($rules); |
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$isAssoc = $isArray && |
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count(array_filter(array_keys($rules), 'is_string')) > 0; |
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if (is_string($rules) || is_object($rules) || $isAssoc) { |
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$validators[$field] = $this->getRule($rules); |
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} elseif ($isArray) { |
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$setup = []; |
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foreach ($rules as $v) { |
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$setup = array_merge($setup, $this->getRule($v)); |
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} |
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$validators[$field] = $setup; |
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} |
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} |
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} |
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return new Validator($validators); |
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} |
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/** |
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* Parses rule definitions. |
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* |
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* @param string|object|array $rule Either a string name, an associative |
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* array, or an object with name → arguments |
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* @param mixed $arg Optional constructor argument, or an array of arguments |
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* @return array<Rule> An array of instantiated rules |
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*/ |
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protected function getRule($rule, $arg = null): array |
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{ |
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$rules = []; |
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if (is_string($rule)) { |
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$vrule = $this->registry->factory($rule, $arg); |
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if ($vrule instanceof Draft) { |
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$vrule = $vrule->finish($this); |
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} |
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$rules[] = $vrule; |
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} elseif (is_object($rule) || is_array($rule)) { |
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foreach ($rule as $name => $args) { |
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$rules = array_merge($rules, $this->getRule($name, $args)); |
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} |
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} |
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return $rules; |
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} |
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} |
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libreworks /
caridea-validate
