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<?php |
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namespace Dallgoot\Yaml; |
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// use \SplDoublyLinkedList as DLL; |
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/** |
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* Convert PHP datatypes to a YAML string syntax |
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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 https://github.com/dallgoot/yaml |
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*/ |
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class Dumper |
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{ |
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private const LINEFEED = "\n"; |
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private const INDENT = 2; |
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// private const WIDTH = 120; /// forget this feature for the moment |
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private const OPTIONS = 00000; |
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private const DATE_FORMAT = 'Y-m-d'; |
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/** @var null|\SplDoublyLinkedList */ |
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private static $result; |
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private static $options; |
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//options |
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public const EXPAND_SHORT = 00001; |
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public const SERIALIZE_CUSTOM_OBJECTS = 00010; |
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/** @var int */ |
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public static $floatPrecision = 4; |
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// public function __construct(int $options = null) |
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// { |
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// if (is_int($options)) self::$options = $options; |
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// } |
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/** |
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* Returns (as a string) the YAML representation of the $dataType provided |
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* |
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* @param mixed $dataType The data type |
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* @param int|null $options The options |
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* |
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* @throws \Exception datatype cannot be null |
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* |
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* @return string The Yaml string content |
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*/ |
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public static function toString($dataType, int $options = null):string |
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{ |
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if (empty($dataType)) throw new \Exception(self::class.": No content to convert to Yaml"); |
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self::$options = is_int($options) ? $options : self::OPTIONS; |
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$dumpHandler = new DumperHandlers($options); |
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if (is_scalar($dataType)) { |
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// TODO: what to woth comments ??? |
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return "--- ".$dumpHandler->dumpScalar($dataType, 0). self::LINEFEED ; |
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} |
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return $dumpHandler->dump($dataType, 0); |
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} |
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/** |
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* Calls and saves the result of Dumper::toString to the file $filePath provided |
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* |
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* @param string $filePath The file path |
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* @param mixed $dataType The data type |
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* @param int|null $options The options |
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* |
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* @throws \Exception datatype cannot be null |
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* |
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* @return bool true = if the file has been correctly saved ( return value from 'file_put_contents') |
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*/ |
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public static function toFile(string $filePath, $dataType, int $options = null):bool |
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{ |
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return !is_bool(file_put_contents($filePath, self::toString($dataType, $options))); |
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} |
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// /** |
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// * Dump (determine) the string value according to type |
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// * |
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// * @param string $dataType The data type |
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// * @param integer $indent The indent |
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// * |
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// * @return string The YAML representation of $dataType |
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// */ |
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// private static function dump($dataType, int $indent) |
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// { |
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// if (is_scalar($dataType)) { |
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// if ($dataType === \INF) return '.inf'; |
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// if ($dataType === -\INF) return '-.inf'; |
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// switch (gettype($dataType)) { |
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// case 'boolean': return $dataType ? 'true' : 'false'; |
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// case 'float': //fall through |
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// case 'double': return is_nan((double) $dataType) ? '.nan' : sprintf('%.'.self::$floatPrecision.'F', $dataType); |
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// default: |
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// return $dataType; |
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// } |
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// } elseif (is_object($dataType)) { |
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// return self::dumpObject($dataType, $indent); |
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// } elseif (is_array($dataType)) { |
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// return self::dumpArray($dataType, $indent); |
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// } |
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// } |
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// /** |
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// * Dumps an YamlObject (YAML document) as a YAML string |
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// * |
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// * @param YamlObject $obj The object |
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// */ |
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// private static function dumpYamlObject(YamlObject $obj) |
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// { |
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// if ($obj->hasDocStart() && self::$result instanceof DLL) self::$result->push("---"); |
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// // self::dump($obj, 0); |
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// if (count($obj) > 0) { |
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// self::dumpArray($obj->getArrayCopy(), 0); |
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// } else { |
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// self::dumpObject($obj, 0); |
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// } |
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// // self::insertComments($obj->getComment()); |
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// //TODO: $references = $obj->getAllReferences(); |
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// } |
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// /** |
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// * Add $value to the current YAML representation (self::$result) and cut lines to self::WIDTH if needed |
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// * |
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// * @param string $value The value |
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// * @param int $indent The indent |
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// */ |
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// private static function add(string $value, int $indent) |
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// { |
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// $newVal = str_repeat(" ", $indent).$value; |
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// foreach (str_split($newVal, self::WIDTH) as $chunks) { |
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// self::$result->push($chunks); |
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// } |
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// } |
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} |
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dallgoot /
yaml
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