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   1  <?php
   2  /**
   3   * Zend Framework
   4   *
   5   * LICENSE
   6   *
   7   * This source file is subject to the new BSD license that is bundled
   8   * with this package in the file LICENSE.txt.
   9   * It is also available through the world-wide-web at this URL:
  10   * http://framework.zend.com/license/new-bsd
  11   * If you did not receive a copy of the license and are unable to
  12   * obtain it through the world-wide-web, please send an email
  13   * to [email protected] so we can send you a copy immediately.
  14   *
  15   * @category   Zend
  16   * @package    Zend_Validate
  17   * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
  18   * @license    http://framework.zend.com/license/new-bsd     New BSD License
  19   * @version    $Id$
  20   */
  21  
  22  /**
  23   * @see Zend_Validate_Abstract
  24   */
  25  require_once 'Zend/Validate/Abstract.php';
  26  
  27  /**
  28   * @category   Zend
  29   * @package    Zend_Validate
  30   * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
  31   * @license    http://framework.zend.com/license/new-bsd     New BSD License
  32   */
  33  class Zend_Validate_NotEmpty extends Zend_Validate_Abstract
  34  {
  35      const BOOLEAN      = 1;
  36      const INTEGER      = 2;
  37      const FLOAT        = 4;
  38      const STRING       = 8;
  39      const ZERO         = 16;
  40      const EMPTY_ARRAY  = 32;
  41      const NULL         = 64;
  42      const PHP          = 127;
  43      const SPACE        = 128;
  44      const ALL          = 255;
  45  
  46      const INVALID  = 'notEmptyInvalid';
  47      const IS_EMPTY = 'isEmpty';
  48  
  49      protected $_constants = array(
  50          self::BOOLEAN      => 'boolean',
  51          self::INTEGER      => 'integer',
  52          self::FLOAT        => 'float',
  53          self::STRING       => 'string',
  54          self::ZERO         => 'zero',
  55          self::EMPTY_ARRAY  => 'array',
  56          self::NULL         => 'null',
  57          self::PHP          => 'php',
  58          self::SPACE        => 'space',
  59          self::ALL          => 'all'
  60      );
  61  
  62      /**
  63       * @var array
  64       */
  65      protected $_messageTemplates = array(
  66          self::IS_EMPTY => "Value is required and can't be empty",
  67          self::INVALID  => "Invalid type given, value should be float, string, array, boolean or integer",
  68      );
  69  
  70      /**
  71       * Internal type to detect
  72       *
  73       * @var integer
  74       */
  75      protected $_type = 237;
  76  
  77      /**
  78       * Constructor
  79       *
  80       * @param string|array|Zend_Config $options OPTIONAL
  81       */
  82      public function __construct($options = null)
  83      {
  84          if ($options instanceof Zend_Config) {
  85              $options = $options->toArray();
  86          } else if (!is_array($options)) {
  87              $options = func_get_args();
  88              $temp    = array();
  89              if (!empty($options)) {
  90                  $temp['type'] = array_shift($options);
  91              }
  92  
  93              $options = $temp;
  94          }
  95  
  96          if (is_array($options) && array_key_exists('type', $options)) {
  97              $this->setType($options['type']);
  98          }
  99      }
 100  
 101      /**
 102       * Returns the set types
 103       *
 104       * @return array
 105       */
 106      public function getType()
 107      {
 108          return $this->_type;
 109      }
 110  
 111      /**
 112       * Set the types
 113       *
 114       * @param  integer|array $type
 115       * @throws Zend_Validate_Exception
 116       * @return Zend_Validate_NotEmpty
 117       */
 118      public function setType($type = null)
 119      {
 120          if (is_array($type)) {
 121              $detected = 0;
 122              foreach($type as $value) {
 123                  if (is_int($value)) {
 124                      $detected += $value;
 125                  } else if (in_array($value, $this->_constants)) {
 126                      $detected += array_search($value, $this->_constants);
 127                  }
 128              }
 129  
 130              $type = $detected;
 131          } else if (is_string($type) && in_array($type, $this->_constants)) {
 132              $type = array_search($type, $this->_constants);
 133          }
 134  
 135          if (!is_int($type) || ($type < 0) || ($type > self::ALL)) {
 136              require_once 'Zend/Validate/Exception.php';
 137              throw new Zend_Validate_Exception('Unknown type');
 138          }
 139  
 140          $this->_type = $type;
 141          return $this;
 142      }
 143  
 144      /**
 145       * Defined by Zend_Validate_Interface
 146       *
 147       * Returns true if and only if $value is not an empty value.
 148       *
 149       * @param  string $value
 150       * @return boolean
 151       */
 152      public function isValid($value)
 153      {
 154          if (!is_null($value) && !is_string($value) && !is_int($value) && !is_float($value) &&
 155              !is_bool($value) && !is_array($value)) {
 156              $this->_error(self::INVALID);
 157              return false;
 158          }
 159  
 160          $type    = $this->getType();
 161          $this->_setValue($value);
 162  
 163          // SPACE ('   ')
 164          if ($type >= self::SPACE) {
 165              $type -= self::SPACE;
 166              if (is_string($value) && (preg_match('/^\s+$/s', $value))) {
 167                  $this->_error(self::IS_EMPTY);
 168                  return false;
 169              }
 170          }
 171  
 172          // NULL (null)
 173          if ($type >= self::NULL) {
 174              $type -= self::NULL;
 175              if (is_null($value)) {
 176                  $this->_error(self::IS_EMPTY);
 177                  return false;
 178              }
 179          }
 180  
 181          // EMPTY_ARRAY (array())
 182          if ($type >= self::EMPTY_ARRAY) {
 183              $type -= self::EMPTY_ARRAY;
 184              if (is_array($value) && ($value == array())) {
 185                  $this->_error(self::IS_EMPTY);
 186                  return false;
 187              }
 188          }
 189  
 190          // ZERO ('0')
 191          if ($type >= self::ZERO) {
 192              $type -= self::ZERO;
 193              if (is_string($value) && ($value == '0')) {
 194                  $this->_error(self::IS_EMPTY);
 195                  return false;
 196              }
 197          }
 198  
 199          // STRING ('')
 200          if ($type >= self::STRING) {
 201              $type -= self::STRING;
 202              if (is_string($value) && ($value == '')) {
 203                  $this->_error(self::IS_EMPTY);
 204                  return false;
 205              }
 206          }
 207  
 208          // FLOAT (0.0)
 209          if ($type >= self::FLOAT) {
 210              $type -= self::FLOAT;
 211              if (is_float($value) && ($value == 0.0)) {
 212                  $this->_error(self::IS_EMPTY);
 213                  return false;
 214              }
 215          }
 216  
 217          // INTEGER (0)
 218          if ($type >= self::INTEGER) {
 219              $type -= self::INTEGER;
 220              if (is_int($value) && ($value == 0)) {
 221                  $this->_error(self::IS_EMPTY);
 222                  return false;
 223              }
 224          }
 225  
 226          // BOOLEAN (false)
 227          if ($type >= self::BOOLEAN) {
 228              $type -= self::BOOLEAN;
 229              if (is_bool($value) && ($value == false)) {
 230                  $this->_error(self::IS_EMPTY);
 231                  return false;
 232              }
 233          }
 234  
 235          return true;
 236      }
 237  }