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<?php |
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/* vim: set expandtab tabstop=4 shiftwidth=4: */ |
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/** |
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* Contains the Calendar_Validator class |
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* |
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* PHP versions 4 and 5 |
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* |
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* LICENSE: Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* 3. The name of the author may not be used to endorse or promote products |
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* derived from this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED |
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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* IN NO EVENT SHALL THE FREEBSD PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY |
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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* |
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* @category Date and Time |
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* @package Calendar |
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* @author Harry Fuecks <[email protected]> |
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* @copyright 2003-2007 Harry Fuecks |
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* @license http://www.debian.org/misc/bsd.license BSD License (3 Clause) |
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* @version CVS: $Id$ |
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* @link http://pear.php.net/package/Calendar |
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*/ |
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namespace PEAR\Calendar; |
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/** |
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* Validation Error Messages |
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*/ |
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if (!defined('CALENDAR_VALUE_TOOSMALL')) { |
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define('CALENDAR_VALUE_TOOSMALL', 'Too small: min = '); |
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} |
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if (!defined('CALENDAR_VALUE_TOOLARGE')) { |
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define('CALENDAR_VALUE_TOOLARGE', 'Too large: max = '); |
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} |
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/** |
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* Used to validate any given Calendar date object. Instances of this class |
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* can be obtained from any data object using the getValidator method |
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* |
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* @category Date and Time |
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* @package Calendar |
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* @author Harry Fuecks <[email protected]> |
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* @copyright 2003-2007 Harry Fuecks |
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* @license http://www.debian.org/misc/bsd.license BSD License (3 Clause) |
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* @link http://pear.php.net/package/Calendar |
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* @see Calendar::getValidator() |
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* @access public |
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*/ |
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class Validator |
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{ |
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/** |
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* Instance of the Calendar date object to validate |
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* @var object |
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* @access private |
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*/ |
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var $calendar; |
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/** |
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* Instance of the Calendar_Engine |
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* @var object |
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* @access private |
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*/ |
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var $cE; |
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/** |
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* Array of errors for validation failures |
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* @var array |
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* @access private |
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*/ |
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var $errors = array(); |
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/** |
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* Constructs Calendar_Validator |
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* |
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* @param object &$calendar subclass of Calendar |
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* |
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* @access public |
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*/ |
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function __construct(&$calendar) |
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{ |
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$this->calendar = & $calendar; |
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$this->cE = & $calendar->getEngine(); |
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} |
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/** |
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* Calls all the other isValidXXX() methods in the validator |
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* |
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* @return boolean |
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* @access public |
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*/ |
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function isValid() |
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{ |
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$checks = array('isValidYear', 'isValidMonth', 'isValidDay', |
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'isValidHour', 'isValidMinute', 'isValidSecond'); |
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$valid = true; |
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foreach ($checks as $check) { |
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if (!$this->{$check}()) { |
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$valid = false; |
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} |
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} |
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return $valid; |
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} |
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/** |
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* Check whether this is a valid year |
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* |
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* @return boolean |
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* @access public |
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*/ |
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function isValidYear() |
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{ |
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$y = $this->calendar->thisYear(); |
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$min = $this->cE->getMinYears(); |
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if ($min > $y) { |
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$this->errors[] = new ValidationError( |
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'Year', $y, CALENDAR_VALUE_TOOSMALL.$min); |
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return false; |
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} |
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$max = $this->cE->getMaxYears(); |
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if ($y > $max) { |
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$this->errors[] = new ValidationError( |
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'Year', $y, CALENDAR_VALUE_TOOLARGE.$max); |
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return false; |
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} |
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return true; |
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} |
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/** |
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* Check whether this is a valid month |
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* |
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* @return boolean |
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* @access public |
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*/ |
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function isValidMonth() |
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{ |
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$m = $this->calendar->thisMonth(); |
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$min = 1; |
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if ($min > $m) { |
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$this->errors[] = new ValidationError( |
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'Month', $m, CALENDAR_VALUE_TOOSMALL.$min); |
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return false; |
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} |
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$max = $this->cE->getMonthsInYear($this->calendar->thisYear()); |
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if ($m > $max) { |
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$this->errors[] = new ValidationError( |
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'Month', $m, CALENDAR_VALUE_TOOLARGE.$max); |
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return false; |
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} |
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return true; |
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} |
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/** |
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* Check whether this is a valid day |
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* |
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* @return boolean |
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* @access public |
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*/ |
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function isValidDay() |
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{ |
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$d = $this->calendar->thisDay(); |
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$min = 1; |
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if ($min > $d) { |
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$this->errors[] = new ValidationError( |
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'Day', $d, CALENDAR_VALUE_TOOSMALL.$min); |
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return false; |
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} |
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$max = $this->cE->getDaysInMonth( |
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$this->calendar->thisYear(), |
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$this->calendar->thisMonth() |
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); |
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if ($d > $max) { |
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$this->errors[] = new ValidationError( |
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'Day', $d, CALENDAR_VALUE_TOOLARGE.$max); |
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return false; |
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} |
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return true; |
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} |
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/** |
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* Check whether this is a valid hour |
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* |
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* @return boolean |
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* @access public |
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*/ |
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function isValidHour() |
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{ |
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$h = $this->calendar->thisHour(); |
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$min = 0; |
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if ($min > $h) { |
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$this->errors[] = new ValidationError( |
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'Hour', $h, CALENDAR_VALUE_TOOSMALL.$min); |
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return false; |
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} |
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$max = ($this->cE->getHoursInDay($this->calendar->thisDay())-1); |
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if ($h > $max) { |
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$this->errors[] = new ValidationError( |
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'Hour', $h, CALENDAR_VALUE_TOOLARGE.$max); |
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return false; |
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} |
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return true; |
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} |
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/** |
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* Check whether this is a valid minute |
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* |
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* @return boolean |
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* @access public |
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*/ |
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function isValidMinute() |
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{ |
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$i = $this->calendar->thisMinute(); |
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$min = 0; |
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if ($min > $i) { |
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$this->errors[] = new ValidationError( |
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'Minute', $i, CALENDAR_VALUE_TOOSMALL.$min); |
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return false; |
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} |
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$max = ($this->cE->getMinutesInHour($this->calendar->thisHour())-1); |
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if ($i > $max) { |
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$this->errors[] = new ValidationError( |
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'Minute', $i, CALENDAR_VALUE_TOOLARGE.$max); |
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return false; |
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} |
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return true; |
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} |
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/** |
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* Check whether this is a valid second |
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* |
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* @return boolean |
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* @access public |
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*/ |
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function isValidSecond() |
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{ |
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$s = $this->calendar->thisSecond(); |
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$min = 0; |
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if ($min > $s) { |
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$this->errors[] = new ValidationError( |
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'Second', $s, CALENDAR_VALUE_TOOSMALL.$min); |
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return false; |
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} |
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$max = ($this->cE->getSecondsInMinute($this->calendar->thisMinute())-1); |
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if ($s > $max) { |
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$this->errors[] = new ValidationError( |
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'Second', $s, CALENDAR_VALUE_TOOLARGE.$max); |
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return false; |
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} |
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return true; |
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} |
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/** |
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* Iterates over any validation errors |
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* |
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* @return mixed either ValidationError or false |
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* @access public |
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*/ |
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function fetch() |
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{ |
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$error = each($this->errors); |
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if ($error) { |
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return $error['value']; |
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} else { |
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reset($this->errors); |
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return false; |
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} |
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} |
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} |
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Adding explicit visibility (
private
,protected
, orpublic
) is generally recommend to communicate to other developers how, and from where this method is intended to be used.