class PHPUnit_Util_Type

PHPUnit_Framework_MockObject_Invocation_Static::toString in drupal/core/vendor/phpunit/phpunit-mock-objects/PHPUnit/Framework/MockObject/Invocation/Static.php

class PHPUnit_Util_Type {
  public static function isType($type) {
    return in_array($type, array(
      'numeric',
      'integer',
      'int',
      'float',
      'string',
      'boolean',
      'bool',
      'null',
      'array',
      'object',
      'resource',
      'scalar',
    ));
  }

  /**
   * Exports a value into a string
   *
   * The output of this method is similar to the output of print_r(), but
   * improved in various aspects:
   *
   *  - NULL is rendered as "null" (instead of "")
   *  - TRUE is rendered as "true" (instead of "1")
   *  - FALSE is rendered as "false" (instead of "")
   *  - Strings are always quoted with single quotes
   *  - Carriage returns and newlines are normalized to \n
   *  - Recursion and repeated rendering is treated properly
   *
   * @param  mixed $value The value to export
   * @param  integer $indentation The indentation level of the 2nd+ line
   * @return string
   * @since  Method available since Release 3.6.0
   */
  public static function export($value, $indentation = 0) {
    return self::recursiveExport($value, $indentation);
  }

  /**
   * Recursive implementation of export
   *
   * @param  mixed $value The value to export
   * @param  integer $indentation The indentation level of the 2nd+ line
   * @param  array $processedObjects Contains all objects that were already
   *                                 rendered
   * @return string
   * @since  Method available since Release 3.6.0
   * @see    PHPUnit_Util_Type::export
   */
  protected static function recursiveExport($value, $indentation, &$processedObjects = array()) {
    if ($value === NULL) {
      return 'null';
    }
    if ($value === TRUE) {
      return 'true';
    }
    if ($value === FALSE) {
      return 'false';
    }
    if (is_string($value)) {

      // Match for most non printable chars somewhat taking multibyte chars into account
      if (preg_match('/[^\\x09-\\x0d\\x20-\\xff]/', $value)) {
        return 'Binary String: 0x' . bin2hex($value);
      }
      return "'" . str_replace(array(
        "\r\n",
        "\n\r",
        "\r",
      ), array(
        "\n",
        "\n",
        "\n",
      ), $value) . "'";
    }
    $origValue = $value;
    if (is_object($value)) {
      if (in_array($value, $processedObjects, TRUE)) {
        return sprintf('%s Object (*RECURSION*)', get_class($value));
      }
      $processedObjects[] = $value;

      // Convert object to array
      $value = self::toArray($value);
    }
    if (is_array($value)) {
      $whitespace = str_repeat('    ', $indentation);

      // There seems to be no other way to check arrays for recursion
      // http://www.php.net/manual/en/language.types.array.php#73936
      preg_match_all('/\\n            \\[(\\w+)\\] => Array\\s+\\*RECURSION\\*/', print_r($value, TRUE), $matches);
      $recursiveKeys = array_unique($matches[1]);

      // Convert to valid array keys
      // Numeric integer strings are automatically converted to integers
      // by PHP
      foreach ($recursiveKeys as $key => $recursiveKey) {
        if ((string) (int) $recursiveKey === $recursiveKey) {
          $recursiveKeys[$key] = (int) $recursiveKey;
        }
      }
      $content = '';
      foreach ($value as $key => $val) {
        if (in_array($key, $recursiveKeys, TRUE)) {
          $val = 'Array (*RECURSION*)';
        }
        else {
          $val = self::recursiveExport($val, $indentation + 1, $processedObjects);
        }
        $content .= $whitespace . '    ' . self::export($key) . ' => ' . $val . "\n";
      }
      if (strlen($content) > 0) {
        $content = "\n" . $content . $whitespace;
      }
      return sprintf("%s (%s)", is_object($origValue) ? get_class($origValue) . ' Object' : 'Array', $content);
    }
    if (is_double($value) && (double) (int) $value === $value) {
      return $value . '.0';
    }
    return (string) $value;
  }

  /**
   * Exports a value into a single-line string
   *
   * The output of this method is similar to the output of
   * PHPUnit_Util_Type::export. This method guarantees thought that the
   * result contains now newlines.
   *
   * Newlines are replaced by the visible string '\n'. Contents of arrays
   * and objects (if any) are replaced by '...'.
   *
   * @param  mixed $value The value to export
   * @param  integer $indentation The indentation level of the 2nd+ line
   * @return string
   * @see    PHPUnit_Util_Type::export
   */
  public static function shortenedExport($value) {
    if (is_string($value)) {
      return self::shortenedString($value);
    }
    if (is_object($value)) {
      return sprintf('%s Object (%s)', get_class($value), count(self::toArray($value)) > 0 ? '...' : '');
    }
    if (is_array($value)) {
      return sprintf('Array (%s)', count($value) > 0 ? '...' : '');
    }
    return self::export($value);
  }

  /**
   * Shortens a string and converts all new lines to '\n'
   *
   * @param  string $string The string to shorten
   * @param  integer $max The maximum length for the string
   * @return string
   */
  public static function shortenedString($string, $maxLength = 40) {
    $string = self::export($string);
    if (strlen($string) > $maxLength) {
      $string = substr($string, 0, $maxLength - 10) . '...' . substr($string, -7);
    }
    return str_replace("\n", '\\n', $string);
  }

  /**
   * Converts an object to an array containing all of its private, protected
   * and public properties.
   *
   * @param  object $object
   * @return array
   * @since  Method available since Release 3.6.0
   */
  public static function toArray($object) {
    $array = array();
    foreach ((array) $object as $key => $value) {

      // properties are transformed to keys in the following way:
      // private   $property => "\0Classname\0property"
      // protected $property => "\0*\0property"
      // public    $property => "property"
      if (preg_match('/^\\0.+\\0(.+)$/', $key, $matches)) {
        $key = $matches[1];
      }
      $array[$key] = $value;
    }

    // Some internal classes like SplObjectStorage don't work with the
    // above (fast) mechanism nor with reflection
    // Format the output similarly to print_r() in this case
    if ($object instanceof SplObjectStorage) {
      foreach ($object as $key => $value) {
        $array[spl_object_hash($value)] = array(
          'obj' => $value,
          'inf' => $object
            ->getInfo(),
        );
      }
    }
    return $array;
  }

}