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<?php |
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namespace Dallgoot\Yaml; |
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use Dallgoot\Yaml\{Yaml as Y}; |
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/** |
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* TODO |
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* |
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* @author Stéphane Rebai <[email protected]> |
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* @license Apache 2.0 |
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* @link TODO : url to specific online doc |
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*/ |
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class Tag |
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{ |
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/** @var string */ |
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public $tagName; |
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/** @var Node|null|string */ |
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public $value; |
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/** @var null|Node|NodeList */ |
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private $raw; |
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const LEGACY_TAGS = ['!str', '!binary', '!set', '!omap', 'php/object', '!inline', '!long']; |
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/** |
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* Tag constructor. |
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* @param string $tagName the name of the tag like '!!str' (WITHOUT the first "!") |
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* @param mixed $value any PHP variable type |
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* @throws \Exception if $tagName is an invalid string or absent |
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*/ |
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public function __construct(string $tagName, $raw) |
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{ |
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if (empty($tagName)) { |
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throw new \Exception(self::class.": a tag MUST have a name", 1); |
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} |
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$this->tagName = $tagName; |
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$this->raw = $raw; |
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} |
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/** |
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* Return the tagged value according to Tag type |
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* |
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* @param scalar|Node|NodeList $value The value |
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* |
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* @return mixed |
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* |
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* @todo implement others legacy types if needed + Symfony type 'php/object' (unserialize ???) |
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*/ |
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public function buildValue(object &$parent = null) |
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{ |
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$value = $this->raw; |
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if ($value instanceof Node) { |
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$value = new NodeList($this->raw); |
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} |
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$value->forceType(); |
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// $parent = Builder::$_root; |
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switch ($this->tagName) { |
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case '!set': $value->type = Y::SET;break; |
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case '!omap': $value->type = Y::SEQUENCE;break; |
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// assumed to be !str,!binary |
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default: $parent = null; |
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$value->type = Y::RAW; |
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} |
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$this->value = Builder::buildNodeList($value, $parent); |
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return $this->value; |
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} |
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public function isKnown():bool |
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{ |
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return in_array($this->tagName, self::LEGACY_TAGS); |
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} |
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/** |
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* Should verify if the tag is correct |
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* |
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* @param string $providedName The provided name |
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* @todo is this required ??? |
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*/ |
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// private function checkNameValidity(string $providedName) |
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// { |
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/* TODO implement and throw Exception if invalid (setName method ???) |
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*The suffix must not contain any “!” character. This would cause the tag shorthand to be interpreted as having a named tag handle. In addition, the suffix must not contain the “[”, “]”, “{”, “}” and “,” characters. These characters would cause ambiguity with flow collection structures. If the suffix needs to specify any of the above restricted characters, they must be escaped using the “%” character. This behavior is consistent with the URI character escaping rules (specifically, section 2.3 of RFC2396). |
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*/ |
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// } |
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} |
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dallgoot /
yaml
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