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doctrine2/lib/Doctrine/Validator.php
2007-10-21 08:16:31 +00:00

328 lines
9.9 KiB
PHP

<?php
/*
* $Id$
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This software consists of voluntary contributions made by many individuals
* and is licensed under the LGPL. For more information, see
* <http://www.phpdoctrine.com>.
*/
/**
* Doctrine_Validator
* Doctrine_Validator performs validations in record properties
*
* @package Doctrine
* @subpackage Validator
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
* @link www.phpdoctrine.com
* @since 1.0
* @version $Revision$
* @author Konsta Vesterinen <kvesteri@cc.hut.fi>
*/
class Doctrine_Validator extends Doctrine_Locator_Injectable
{
/**
* @var array $validators an array of validator objects
*/
private static $validators = array();
/**
* returns a validator object
*
* @param string $name
* @return Doctrine_Validator_Interface
*/
public static function getValidator($name)
{
if ( ! isset(self::$validators[$name])) {
$class = 'Doctrine_Validator_' . ucwords(strtolower($name));
if (class_exists($class)) {
self::$validators[$name] = new $class;
} else {
throw new Doctrine_Exception("Validator named '$name' not available.");
}
}
return self::$validators[$name];
}
/**
* validates a given record and saves possible errors
* in Doctrine_Validator::$stack
*
* @param Doctrine_Record $record
* @return void
*/
public function validateRecord(Doctrine_Record $record)
{
$columns = $record->getTable()->getColumns();
$component = $record->getTable()->getComponentName();
$errorStack = $record->getErrorStack();
// if record is transient all fields will be validated
// if record is persistent only the modified fields will be validated
$data = ($record->exists()) ? $record->getModified() : $record->getData();
$err = array();
foreach ($data as $key => $value) {
if ($value === self::$_null) {
$value = null;
} else if ($value instanceof Doctrine_Record) {
$value = $value->getIncremented();
}
$column = $columns[$key];
if ($column['type'] == 'enum') {
$value = $record->getTable()->enumIndex($key, $value);
if ($value === false) {
$errorStack->add($key, 'enum');
continue;
}
}
if ($record->getTable()->getAttribute(Doctrine::ATTR_VALIDATE) & Doctrine::VALIDATE_LENGTHS) {
if ( ! $this->validateLength($column, $key, $value)) {
$errorStack->add($key, 'length');
continue;
}
}
foreach ($column as $name => $args) {
if (empty($name)
|| $name == 'primary'
|| $name == 'protected'
|| $name == 'autoincrement'
|| $name == 'default'
|| $name == 'values'
|| $name == 'sequence'
|| $name == 'zerofill'
|| $name == 'scale') {
continue;
}
if (strtolower($name) === 'notnull' && isset($column['autoincrement'])) {
continue;
}
if (strtolower($name) == 'length') {
if ( ! ($record->getTable()->getAttribute(Doctrine::ATTR_VALIDATE) & Doctrine::VALIDATE_LENGTHS)) {
if ( ! $this->validateLength($column, $key, $value)) {
$errorStack->add($key, 'length');
}
}
continue;
}
if (strtolower($name) == 'type') {
if ( ! ($record->getTable()->getAttribute(Doctrine::ATTR_VALIDATE) & Doctrine::VALIDATE_TYPES)) {
if ( ! self::isValidType($value, $column['type'])) {
$errorStack->add($key, 'type');
}
}
continue;
}
$validator = self::getValidator($name);
$validator->invoker = $record;
$validator->field = $key;
$validator->args = $args;
if ( ! $validator->validate($value)) {
$errorStack->add($key, $name);
//$err[$key] = 'not valid';
// errors found quit validation looping for this column
//break;
}
}
if ($record->getTable()->getAttribute(Doctrine::ATTR_VALIDATE) & Doctrine::VALIDATE_TYPES) {
if ( ! self::isValidType($value, $column['type'])) {
$errorStack->add($key, 'type');
continue;
}
}
}
}
/**
* Validates the length of a field.
*/
private function validateLength($column, $key, $value)
{
if ($column['type'] == 'timestamp' || $column['type'] == 'integer' ||
$column['type'] == 'enum') {
return true;
} else if ($column['type'] == 'array' || $column['type'] == 'object') {
$length = strlen(serialize($value));
} else {
$length = strlen($value);
}
if ($length > $column['length']) {
return false;
}
return true;
}
/**
* whether or not this validator has errors
*
* @return boolean
*/
public function hasErrors()
{
return (count($this->stack) > 0);
}
/**
* phpType
* converts a doctrine type to native php type
*
* @param $portableType portable doctrine type
* @return string
*//*
public static function phpType($portableType)
{
switch ($portableType) {
case 'enum':
return 'integer';
case 'blob':
case 'clob':
case 'mbstring':
case 'timestamp':
case 'date':
case 'gzip':
return 'string';
break;
default:
return $portableType;
}
}*/
/**
* returns whether or not the given variable is
* valid type
*
* @param mixed $var
* @param string $type
* @return boolean
*/
/*
public static function isValidType($var, $type)
{
if ($type == 'boolean') {
return true;
}
$looseType = self::gettype($var);
$type = self::phpType($type);
switch ($looseType) {
case 'float':
case 'double':
case 'integer':
if ($type == 'string' || $type == 'float') {
return true;
}
case 'string':
case 'array':
case 'object':
return ($type === $looseType);
break;
case 'NULL':
return true;
break;
}
}*/
/**
* returns whether or not the given variable is
* valid type
*
* @param mixed $var
* @param string $type
* @return boolean
*/
public static function isValidType($var, $type)
{
if ($var === null) {
return true;
} else if (is_object($var)) {
return $type == 'object';
}
switch ($type) {
case 'float':
case 'double':
return (String)$var == strval(floatval($var));
case 'integer':
return (String)$var == strval(intval($var));
case 'string':
return is_string($var) || is_int($var) || is_float($var);
case 'blob':
case 'clob':
case 'gzip':
return is_string($var);
case 'array':
return is_array($var);
case 'object':
return is_object($var);
case 'boolean':
return is_bool($var);
case 'timestamp':
// todo: validate the timestamp is in YYYY-MM-DD HH:MM:SS format
return true;
case 'date':
$validator = self::getValidator('date');
return $validator->validate($var);
case 'enum':
return is_string($var) || is_int($var);
default:
return false;
}
}
/**
* returns the type of loosely typed variable
*
* @param mixed $var
* @return string
*//*
public static function gettype($var)
{
$type = gettype($var);
switch ($type) {
case 'string':
if (preg_match("/^[0-9]+$/",$var)) {
return 'integer';
} elseif (is_numeric($var)) {
return 'float';
} else {
return $type;
}
break;
default:
return $type;
}
}*/
}