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Direktori : /home2/selectio/www/limpiar.in.net/install/vendor/mtdowling/jmespath.php/src/ |
Current File : //home2/selectio/www/limpiar.in.net/install/vendor/mtdowling/jmespath.php/src/Utils.php |
<?php namespace JmesPath; class Utils { public static $typeMap = [ 'boolean' => 'boolean', 'string' => 'string', 'NULL' => 'null', 'double' => 'number', 'float' => 'number', 'integer' => 'number' ]; /** * Returns true if the value is truthy * * @param mixed $value Value to check * * @return bool */ public static function isTruthy($value) { if (!$value) { return $value === 0 || $value === '0'; } elseif ($value instanceof \stdClass) { return (bool) get_object_vars($value); } else { return true; } } /** * Gets the JMESPath type equivalent of a PHP variable. * * @param mixed $arg PHP variable * @return string Returns the JSON data type * @throws \InvalidArgumentException when an unknown type is given. */ public static function type($arg) { $type = gettype($arg); if (isset(self::$typeMap[$type])) { return self::$typeMap[$type]; } elseif ($type === 'array') { if (empty($arg)) { return 'array'; } reset($arg); return key($arg) === 0 ? 'array' : 'object'; } elseif ($arg instanceof \stdClass) { return 'object'; } elseif ($arg instanceof \Closure) { return 'expression'; } elseif ($arg instanceof \ArrayAccess && $arg instanceof \Countable ) { return count($arg) == 0 || $arg->offsetExists(0) ? 'array' : 'object'; } elseif (method_exists($arg, '__toString')) { return 'string'; } throw new \InvalidArgumentException( 'Unable to determine JMESPath type from ' . get_class($arg) ); } /** * Determine if the provided value is a JMESPath compatible object. * * @param mixed $value * * @return bool */ public static function isObject($value) { if (is_array($value)) { return !$value || array_keys($value)[0] !== 0; } // Handle array-like values. Must be empty or offset 0 does not exist return $value instanceof \Countable && $value instanceof \ArrayAccess ? count($value) == 0 || !$value->offsetExists(0) : $value instanceof \stdClass; } /** * Determine if the provided value is a JMESPath compatible array. * * @param mixed $value * * @return bool */ public static function isArray($value) { if (is_array($value)) { return !$value || array_keys($value)[0] === 0; } // Handle array-like values. Must be empty or offset 0 exists. return $value instanceof \Countable && $value instanceof \ArrayAccess ? count($value) == 0 || $value->offsetExists(0) : false; } /** * JSON aware value comparison function. * * @param mixed $a First value to compare * @param mixed $b Second value to compare * * @return bool */ public static function isEqual($a, $b) { if ($a === $b) { return true; } elseif ($a instanceof \stdClass) { return self::isEqual((array) $a, $b); } elseif ($b instanceof \stdClass) { return self::isEqual($a, (array) $b); } else { return false; } } /** * Safely add together two values. * * @param mixed $a First value to add * @param mixed $b Second value to add * * @return int|float */ public static function add($a, $b) { if (is_numeric($a)) { if (is_numeric($b)) { return $a + $b; } else { return $a; } } else { if (is_numeric($b)) { return $b; } else { return 0; } } } /** * JMESPath requires a stable sorting algorithm, so here we'll implement * a simple Schwartzian transform that uses array index positions as tie * breakers. * * @param array $data List or map of data to sort * @param callable $sortFn Callable used to sort values * * @return array Returns the sorted array * @link http://en.wikipedia.org/wiki/Schwartzian_transform */ public static function stableSort(array $data, callable $sortFn) { // Decorate each item by creating an array of [value, index] array_walk($data, function (&$v, $k) { $v = [$v, $k]; }); // Sort by the sort function and use the index as a tie-breaker uasort($data, function ($a, $b) use ($sortFn) { return $sortFn($a[0], $b[0]) ?: ($a[1] < $b[1] ? -1 : 1); }); // Undecorate each item and return the resulting sorted array return array_map(function ($v) { return $v[0]; }, array_values($data)); } /** * Creates a Python-style slice of a string or array. * * @param array|string $value Value to slice * @param int|null $start Starting position * @param int|null $stop Stop position * @param int $step Step (1, 2, -1, -2, etc.) * * @return array|string * @throws \InvalidArgumentException */ public static function slice($value, $start = null, $stop = null, $step = 1) { if (!is_array($value) && !is_string($value)) { throw new \InvalidArgumentException('Expects string or array'); } return self::sliceIndices($value, $start, $stop, $step); } private static function adjustEndpoint($length, $endpoint, $step) { if ($endpoint < 0) { $endpoint += $length; if ($endpoint < 0) { $endpoint = $step < 0 ? -1 : 0; } } elseif ($endpoint >= $length) { $endpoint = $step < 0 ? $length - 1 : $length; } return $endpoint; } private static function adjustSlice($length, $start, $stop, $step) { if ($step === null) { $step = 1; } elseif ($step === 0) { throw new \RuntimeException('step cannot be 0'); } if ($start === null) { $start = $step < 0 ? $length - 1 : 0; } else { $start = self::adjustEndpoint($length, $start, $step); } if ($stop === null) { $stop = $step < 0 ? -1 : $length; } else { $stop = self::adjustEndpoint($length, $stop, $step); } return [$start, $stop, $step]; } private static function sliceIndices($subject, $start, $stop, $step) { $type = gettype($subject); $len = $type == 'string' ? mb_strlen($subject, 'UTF-8') : count($subject); list($start, $stop, $step) = self::adjustSlice($len, $start, $stop, $step); $result = []; if ($step > 0) { for ($i = $start; $i < $stop; $i += $step) { $result[] = $subject[$i]; } } else { for ($i = $start; $i > $stop; $i += $step) { $result[] = $subject[$i]; } } return $type == 'string' ? implode('', $result) : $result; } }