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<?php
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/*
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* $Id: MatchValidator.php 1262 2009-10-26 20:54:39Z francois $
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* 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
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* This software consists of voluntary contributions made by many individuals
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* and is licensed under the LGPL. For more information please see
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* <http://propel.phpdb.org>.
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*/
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/**
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* A validator for regular expressions.
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*
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* This validator will return true, when the passed value *matches* the
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* regular expression.
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*
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* ## This class replaces the former class MaskValidator ##
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*
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* If you do want to test if the value does *not* match an expression,
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* you can use the MatchValidator class instead.
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*
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* Below is an example usage for your Propel xml schema file.
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*
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* <code>
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* <column name="email" type="VARCHAR" size="128" required="true" />
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* <validator column="username">
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* <!-- allow strings that match the email adress pattern -->
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* <rule
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* name="match"
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* value="/^([a-zA-Z0-9])+([\.a-zA-Z0-9_-])*@([a-zA-Z0-9])+(\.[a-zA-Z0-9_-]+)+$/"
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* message="Please enter a valid email address." />
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* </validator>
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* </code>
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*
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* @author Michael Aichler <aichler@mediacluster.de>
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* @author Hans Lellelid <hans@xmpl.org>
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* @version $Revision: 1262 $
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* @package propel.validator
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*/
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class MatchValidator implements BasicValidator
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{
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/**
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* Prepares the regular expression entered in the XML
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* for use with preg_match().
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* @param string $exp
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* @return string Prepared regular expession.
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*/
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private function prepareRegexp($exp)
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{
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// remove surrounding '/' marks so that they don't get escaped in next step
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if ($exp{0} !== '/' || $exp{strlen($exp)-1} !== '/' ) {
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$exp = '/' . $exp . '/';
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}
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// if they did not escape / chars; we do that for them
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$exp = preg_replace('/([^\\\])\/([^$])/', '$1\/$2', $exp);
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return $exp;
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}
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/**
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* Whether the passed string matches regular expression.
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*/
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public function isValid (ValidatorMap $map, $str)
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{
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return (preg_match($this->prepareRegexp($map->getValue()), $str) != 0);
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}
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}
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