227 lines
5.9 KiB
PHP
227 lines
5.9 KiB
PHP
|
<?php
|
||
|
/**
|
||
|
* Zend Framework
|
||
|
*
|
||
|
* LICENSE
|
||
|
*
|
||
|
* This source file is subject to the new BSD license that is bundled
|
||
|
* with this package in the file LICENSE.txt.
|
||
|
* It is also available through the world-wide-web at this URL:
|
||
|
* http://framework.zend.com/license/new-bsd
|
||
|
* If you did not receive a copy of the license and are unable to
|
||
|
* obtain it through the world-wide-web, please send an email
|
||
|
* to license@zend.com so we can send you a copy immediately.
|
||
|
*
|
||
|
* @category Zend
|
||
|
* @package Zend_Search_Lucene
|
||
|
* @subpackage Document
|
||
|
* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
|
||
|
* @license http://framework.zend.com/license/new-bsd New BSD License
|
||
|
* @version $Id: Field.php 16541 2009-07-07 06:59:03Z bkarwin $
|
||
|
*/
|
||
|
|
||
|
|
||
|
/**
|
||
|
* A field is a section of a Document. Each field has two parts,
|
||
|
* a name and a value. Values may be free text or they may be atomic
|
||
|
* keywords, which are not further processed. Such keywords may
|
||
|
* be used to represent dates, urls, etc. Fields are optionally
|
||
|
* stored in the index, so that they may be returned with hits
|
||
|
* on the document.
|
||
|
*
|
||
|
* @category Zend
|
||
|
* @package Zend_Search_Lucene
|
||
|
* @subpackage Document
|
||
|
* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
|
||
|
* @license http://framework.zend.com/license/new-bsd New BSD License
|
||
|
*/
|
||
|
class Zend_Search_Lucene_Field
|
||
|
{
|
||
|
/**
|
||
|
* Field name
|
||
|
*
|
||
|
* @var string
|
||
|
*/
|
||
|
public $name;
|
||
|
|
||
|
/**
|
||
|
* Field value
|
||
|
*
|
||
|
* @var boolean
|
||
|
*/
|
||
|
public $value;
|
||
|
|
||
|
/**
|
||
|
* Field is to be stored in the index for return with search hits.
|
||
|
*
|
||
|
* @var boolean
|
||
|
*/
|
||
|
public $isStored = false;
|
||
|
|
||
|
/**
|
||
|
* Field is to be indexed, so that it may be searched on.
|
||
|
*
|
||
|
* @var boolean
|
||
|
*/
|
||
|
public $isIndexed = true;
|
||
|
|
||
|
/**
|
||
|
* Field should be tokenized as text prior to indexing.
|
||
|
*
|
||
|
* @var boolean
|
||
|
*/
|
||
|
public $isTokenized = true;
|
||
|
/**
|
||
|
* Field is stored as binary.
|
||
|
*
|
||
|
* @var boolean
|
||
|
*/
|
||
|
public $isBinary = false;
|
||
|
|
||
|
/**
|
||
|
* Field are stored as a term vector
|
||
|
*
|
||
|
* @var boolean
|
||
|
*/
|
||
|
public $storeTermVector = false;
|
||
|
|
||
|
/**
|
||
|
* Field boost factor
|
||
|
* It's not stored directly in the index, but affects on normalization factor
|
||
|
*
|
||
|
* @var float
|
||
|
*/
|
||
|
public $boost = 1.0;
|
||
|
|
||
|
/**
|
||
|
* Field value encoding.
|
||
|
*
|
||
|
* @var string
|
||
|
*/
|
||
|
public $encoding;
|
||
|
|
||
|
/**
|
||
|
* Object constructor
|
||
|
*
|
||
|
* @param string $name
|
||
|
* @param string $value
|
||
|
* @param string $encoding
|
||
|
* @param boolean $isStored
|
||
|
* @param boolean $isIndexed
|
||
|
* @param boolean $isTokenized
|
||
|
* @param boolean $isBinary
|
||
|
*/
|
||
|
public function __construct($name, $value, $encoding, $isStored, $isIndexed, $isTokenized, $isBinary = false)
|
||
|
{
|
||
|
$this->name = $name;
|
||
|
$this->value = $value;
|
||
|
|
||
|
if (!$isBinary) {
|
||
|
$this->encoding = $encoding;
|
||
|
$this->isTokenized = $isTokenized;
|
||
|
} else {
|
||
|
$this->encoding = '';
|
||
|
$this->isTokenized = false;
|
||
|
}
|
||
|
|
||
|
$this->isStored = $isStored;
|
||
|
$this->isIndexed = $isIndexed;
|
||
|
$this->isBinary = $isBinary;
|
||
|
|
||
|
$this->storeTermVector = false;
|
||
|
$this->boost = 1.0;
|
||
|
}
|
||
|
|
||
|
|
||
|
/**
|
||
|
* Constructs a String-valued Field that is not tokenized, but is indexed
|
||
|
* and stored. Useful for non-text fields, e.g. date or url.
|
||
|
*
|
||
|
* @param string $name
|
||
|
* @param string $value
|
||
|
* @param string $encoding
|
||
|
* @return Zend_Search_Lucene_Field
|
||
|
*/
|
||
|
public static function keyword($name, $value, $encoding = '')
|
||
|
{
|
||
|
return new self($name, $value, $encoding, true, true, false);
|
||
|
}
|
||
|
|
||
|
|
||
|
/**
|
||
|
* Constructs a String-valued Field that is not tokenized nor indexed,
|
||
|
* but is stored in the index, for return with hits.
|
||
|
*
|
||
|
* @param string $name
|
||
|
* @param string $value
|
||
|
* @param string $encoding
|
||
|
* @return Zend_Search_Lucene_Field
|
||
|
*/
|
||
|
public static function unIndexed($name, $value, $encoding = '')
|
||
|
{
|
||
|
return new self($name, $value, $encoding, true, false, false);
|
||
|
}
|
||
|
|
||
|
|
||
|
/**
|
||
|
* Constructs a Binary String valued Field that is not tokenized nor indexed,
|
||
|
* but is stored in the index, for return with hits.
|
||
|
*
|
||
|
* @param string $name
|
||
|
* @param string $value
|
||
|
* @param string $encoding
|
||
|
* @return Zend_Search_Lucene_Field
|
||
|
*/
|
||
|
public static function binary($name, $value)
|
||
|
{
|
||
|
return new self($name, $value, '', true, false, false, true);
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Constructs a String-valued Field that is tokenized and indexed,
|
||
|
* and is stored in the index, for return with hits. Useful for short text
|
||
|
* fields, like "title" or "subject". Term vector will not be stored for this field.
|
||
|
*
|
||
|
* @param string $name
|
||
|
* @param string $value
|
||
|
* @param string $encoding
|
||
|
* @return Zend_Search_Lucene_Field
|
||
|
*/
|
||
|
public static function text($name, $value, $encoding = '')
|
||
|
{
|
||
|
return new self($name, $value, $encoding, true, true, true);
|
||
|
}
|
||
|
|
||
|
|
||
|
/**
|
||
|
* Constructs a String-valued Field that is tokenized and indexed,
|
||
|
* but that is not stored in the index.
|
||
|
*
|
||
|
* @param string $name
|
||
|
* @param string $value
|
||
|
* @param string $encoding
|
||
|
* @return Zend_Search_Lucene_Field
|
||
|
*/
|
||
|
public static function unStored($name, $value, $encoding = '')
|
||
|
{
|
||
|
return new self($name, $value, $encoding, false, true, true);
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Get field value in UTF-8 encoding
|
||
|
*
|
||
|
* @return string
|
||
|
*/
|
||
|
public function getUtf8Value()
|
||
|
{
|
||
|
if (strcasecmp($this->encoding, 'utf8' ) == 0 ||
|
||
|
strcasecmp($this->encoding, 'utf-8') == 0 ) {
|
||
|
return $this->value;
|
||
|
} else {
|
||
|
|
||
|
return (PHP_OS != 'AIX') ? iconv($this->encoding, 'UTF-8', $this->value) : iconv('ISO8859-1', 'UTF-8', $this->value);
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|