291 lines
10 KiB
PHP
291 lines
10 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_Search_Analyzer_Standard
|
||
*
|
||
* @package Doctrine
|
||
* @subpackage Search
|
||
* @author Konsta Vesterinen <kvesteri@cc.hut.fi>
|
||
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
|
||
* @version $Revision$
|
||
* @link www.phpdoctrine.com
|
||
* @since 1.0
|
||
*/
|
||
class Doctrine_Search_Analyzer_Standard implements Doctrine_Search_Analyzer_Interface
|
||
{
|
||
protected static $_stopwords = array(
|
||
'0',
|
||
'1',
|
||
'2',
|
||
'3',
|
||
'4',
|
||
'5',
|
||
'6',
|
||
'7',
|
||
'8',
|
||
'9',
|
||
'10',
|
||
'a',
|
||
'about',
|
||
'after',
|
||
'all',
|
||
'almost',
|
||
'along',
|
||
'also',
|
||
'amp',
|
||
'an',
|
||
'and',
|
||
'another',
|
||
'any',
|
||
'are',
|
||
'area',
|
||
'around',
|
||
'as',
|
||
'at',
|
||
'available',
|
||
'back',
|
||
'be',
|
||
'because',
|
||
'been',
|
||
'being',
|
||
'best',
|
||
'better',
|
||
'big',
|
||
'bit',
|
||
'both',
|
||
'but',
|
||
'by',
|
||
'c',
|
||
'came',
|
||
'can',
|
||
'capable',
|
||
'control',
|
||
'could',
|
||
'course',
|
||
'd',
|
||
'dan',
|
||
'day',
|
||
'decided',
|
||
'did',
|
||
'didn',
|
||
'different',
|
||
'div',
|
||
'do',
|
||
'doesn',
|
||
'don',
|
||
'down',
|
||
'drive',
|
||
'e',
|
||
'each',
|
||
'easily',
|
||
'easy',
|
||
'edition',
|
||
'end',
|
||
'enough',
|
||
'even',
|
||
'every',
|
||
'example',
|
||
'few',
|
||
'find',
|
||
'first',
|
||
'for',
|
||
'found',
|
||
'from',
|
||
'get',
|
||
'go',
|
||
'going',
|
||
'good',
|
||
'got',
|
||
'gt',
|
||
'had',
|
||
'hard',
|
||
'has',
|
||
'have',
|
||
'he',
|
||
'her',
|
||
'here',
|
||
'how',
|
||
'i',
|
||
'if',
|
||
'in',
|
||
'into',
|
||
'is',
|
||
'isn',
|
||
'it',
|
||
'just',
|
||
'know',
|
||
'last',
|
||
'left',
|
||
'li',
|
||
'like',
|
||
'little',
|
||
'll',
|
||
'long',
|
||
'look',
|
||
'lot',
|
||
'lt',
|
||
'm',
|
||
'made',
|
||
'make',
|
||
'many',
|
||
'mb',
|
||
'me',
|
||
'menu',
|
||
'might',
|
||
'mm',
|
||
'more',
|
||
'most',
|
||
'much',
|
||
'my',
|
||
'name',
|
||
'nbsp',
|
||
'need',
|
||
'new',
|
||
'no',
|
||
'not',
|
||
'now',
|
||
'number',
|
||
'of',
|
||
'off',
|
||
'old',
|
||
'on',
|
||
'one',
|
||
'only',
|
||
'or',
|
||
'original',
|
||
'other',
|
||
'our',
|
||
'out',
|
||
'over',
|
||
'part',
|
||
'place',
|
||
'point',
|
||
'pretty',
|
||
'probably',
|
||
'problem',
|
||
'put',
|
||
'quite',
|
||
'quot',
|
||
'r',
|
||
're',
|
||
'really',
|
||
'results',
|
||
'right',
|
||
's',
|
||
'same',
|
||
'saw',
|
||
'see',
|
||
'set',
|
||
'several',
|
||
'she',
|
||
'sherree',
|
||
'should',
|
||
'since',
|
||
'size',
|
||
'small',
|
||
'so',
|
||
'some',
|
||
'something',
|
||
'special',
|
||
'still',
|
||
'stuff',
|
||
'such',
|
||
'sure',
|
||
'system',
|
||
't',
|
||
'take',
|
||
'than',
|
||
'that',
|
||
'the',
|
||
'their',
|
||
'them',
|
||
'then',
|
||
'there',
|
||
'these',
|
||
'they',
|
||
'thing',
|
||
'things',
|
||
'think',
|
||
'this',
|
||
'those',
|
||
'though',
|
||
'through',
|
||
'time',
|
||
'to',
|
||
'today',
|
||
'together',
|
||
'too',
|
||
'took',
|
||
'two',
|
||
'up',
|
||
'us',
|
||
'use',
|
||
'used',
|
||
'using',
|
||
've',
|
||
'very',
|
||
'want',
|
||
'was',
|
||
'way',
|
||
'we',
|
||
'well',
|
||
'went',
|
||
'were',
|
||
'what',
|
||
'when',
|
||
'where',
|
||
'which',
|
||
'while',
|
||
'white',
|
||
'who',
|
||
'will',
|
||
'with',
|
||
'would',
|
||
'you',
|
||
'your',
|
||
);
|
||
|
||
public function analyze($text)
|
||
{
|
||
$text = preg_replace('/[.()&#!,?^<5E>@%&{}+]/', ' ', $text);
|
||
$text = str_replace(' ', ' ', $text);
|
||
|
||
$terms = explode(' ', $text);
|
||
|
||
$ret = array();
|
||
if ( ! empty($terms)) {
|
||
foreach ($terms as $i => $term) {
|
||
if (empty($term)) {
|
||
continue;
|
||
}
|
||
$lower = strtolower(trim($term));
|
||
|
||
if (in_array($lower, self::$_stopwords)) {
|
||
continue;
|
||
}
|
||
|
||
$ret[$i] = $lower;
|
||
}
|
||
}
|
||
return $ret;
|
||
}
|
||
} |