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<?php
IncludeModuleLangFile(__FILE__);
/**
* @deprecated
*/
abstract class CAllFilterQuery
{
var $cnt = 0;
var $m_query;
var $m_words;
var $m_fields;
var $m_kav;
var $default_query_type;
var $rus_bool_lang;
var $error;
var $procent;
var $ex_sep;
var $clob;
var $div_fields;
var $clob_upper;
var $errorno;
/*
$default_query_type - logic for spaces
$rus_bool_lang - use russian logic words
$ex_sep - array with exceptions for delimiters
*/
public function __construct($default_query_type = "and", $rus_bool_lang = "yes", $procent="Y", $ex_sep = array(), $clob="N", $div_fields="Y", $clob_upper="N")
{
$this->m_query = "";
$this->m_fields = "";
$this->default_query_type = $default_query_type;
$this->rus_bool_lang = $rus_bool_lang;
$this->m_kav = array();
$this->error = "";
$this->procent = $procent;
$this->ex_sep = $ex_sep;
$this->clob = $clob;
$this->clob_upper = $clob_upper;
$this->div_fields = $div_fields;
}
abstract public function BuildWhereClause($word);
public function GetQueryString($fields, $query)
{
$this->m_words = array();
if($this->div_fields=="Y")
$this->m_fields = explode(",", $fields);
else
$this->m_fields = $fields;
if(!is_array($this->m_fields))
$this->m_fields=array($this->m_fields);
$query = $this->CutKav($query);
$query = $this->ParseQ($query);
if($query == "( )" || $query == '')
{
$this->error=GetMessage("FILTER_ERROR3");
$this->errorno=3;
return false;
}
$query = $this->PrepareQuery($query);
return $query;
}
public function CutKav($query)
{
$bdcnt = 0;
while (preg_match("/\"([^\"]*)\"/",$query,$pt))
{
$res = $pt[1];
if(trim($pt[1]) <> '')
{
$trimpt = $bdcnt."cut5";
$this->m_kav[$trimpt] = $res;
$query = str_replace("\"".$pt[1]."\"", " ".$trimpt." ", $query);
}
else
{
$query = str_replace("\"".$pt[1]."\"", " ", $query);
}
$bdcnt++;
if($bdcnt>100) break;
}
$bdcnt = 0;
while (preg_match("/'([^']*)'/",$query,$pt))
{
$res = $pt[1];
if(trim($pt[1]) <> '')
{
$trimpt = $bdcnt."cut6";
$this->m_kav[$trimpt] = $res;
$query = str_replace("'".$pt[1]."'", " ".$trimpt." ", $query);
}
else
{
$query = str_replace("'".$pt[1]."'", " ", $query);
}
$bdcnt++;
if($bdcnt>100) break;
}
return $query;
}
public function ParseQ($q)
{
$q = trim($q);
if($q == '')
return '';
$q=$this->ParseStr($q);
$q = str_replace(
array("&" , "|" , "~" , "(" , ")"),
array(" && ", " || ", " ! ", " ( ", " ) "),
$q
);
$q="( $q )";
$q = preg_replace("/\\s+/".BX_UTF_PCRE_MODIFIER, " ", $q);
return $q;
}
public function ParseStr($qwe)
{
$qwe=trim($qwe);
$qwe=preg_replace("/ {0,}\\+ {0,}/", "&", $qwe);
$qwe=preg_replace("/ {0,}([()|~]) {0,}/", "\\1", $qwe);
// default query type is and
if(mb_strtolower($this->default_query_type) == 'or')
$default_op = "|";
else
$default_op = "&";
$qwe=preg_replace("/( {1,}|\\&\\|{1,}|\\|\\&{1,})/", $default_op, $qwe);
// remove unnesessary boolean operators
$qwe=preg_replace("/\\|+/", "|", $qwe);
$qwe=preg_replace("/\\&+/", "&", $qwe);
$qwe=preg_replace("/\\~+/", "~", $qwe);
$qwe=preg_replace("/\\|\\&\\|/", "&", $qwe);
$qwe=preg_replace("/[|&~]+$/", "", $qwe);
$qwe=preg_replace("/^[|&]+/", "", $qwe);
// transform "w1 ~w2" -> "w1 default_op ~ w2"
// ") ~w" -> ") default_op ~w"
// "w ~ (" -> "w default_op ~("
// ") w" -> ") default_op w"
// "w (" -> "w default_op ("
// ")(" -> ") default_op ("
$qwe=preg_replace("/([^&~|()]+)~([^&~|()]+)/", "\\1".$default_op."~\\2", $qwe);
$qwe=preg_replace("/\\)~{1,}/", ")".$default_op."~", $qwe);
$qwe=preg_replace("/~{1,}\\(/", ($default_op=="|"? "~|(": "&~("), $qwe);
$qwe=preg_replace("/\\)([^&~|()]+)/", ")".$default_op."\\1", $qwe);
$qwe=preg_replace("/([^&~|()]+)\\(/", "\\1".$default_op."(", $qwe);
$qwe=preg_replace("/\\) *\\(/", ")".$default_op."(", $qwe);
// remove unnesessary boolean operators
$qwe=preg_replace("/\\|+/", "|", $qwe);
$qwe=preg_replace("/\\&+/", "&", $qwe);
// remove errornous format of query - ie: '(&', '&)', '(|', '|)', '~&', '~|', '~)'
$qwe=preg_replace("/\\(\\&{1,}/", "(", $qwe);
$qwe=preg_replace("/\\&{1,}\\)/", ")", $qwe);
$qwe=preg_replace("/\\~{1,}\\)/", ")", $qwe);
$qwe=preg_replace("/\\(\\|{1,}/", "(", $qwe);
$qwe=preg_replace("/\\|{1,}\\)/", ")", $qwe);
$qwe=preg_replace("/\\~{1,}\\&{1,}/", "&", $qwe);
$qwe=preg_replace("/\\~{1,}\\|{1,}/", "|", $qwe);
$qwe=preg_replace("/\\(\\)/", "", $qwe);
$qwe=preg_replace("/^[|&]{1,}/", "", $qwe);
$qwe=preg_replace("/[|&~]{1,}\$/", "", $qwe);
$qwe=preg_replace("/\\|\\&/", "&", $qwe);
$qwe=preg_replace("/\\&\\|/", "|", $qwe);
// remove unnesessary boolean operators
$qwe=preg_replace("/\\|+/", "|", $qwe);
$qwe=preg_replace("/\\&+/", "&", $qwe);
return($qwe);
}
public function PrepareQuery($q)
{
$state = 0;
$qu = "";
$n = 0;
$this->error = "";
$t=strtok($q," ");
while (($t!="") && ($this->error==""))
{
switch ($state)
{
case 0:
if(($t=="||") || ($t=="&&") || ($t==")"))
{
$this->error=GetMessage("FILTER_ERROR2")." ".$t;
$this->errorno=2;
}
elseif($t=="!")
{
$state=0;
$qu="$qu NOT ";
break;
}
elseif($t=="(")
{
$n++;
$state=0;
$qu="$qu(";
}
else
{
$state=1;
$qu="$qu ".$this->BuildWhereClause($t)." ";
}
break;
case 1:
if(($t=="||") || ($t=="&&"))
{
$state=0;
if($t=='||') $qu="$qu OR ";
else $qu="$qu AND ";
}
elseif($t==")")
{
$n--;
$state=1;
$qu="$qu)";
}
else
{
$this->error=GetMessage("FILTER_ERROR2")." ".$t;
$this->errorno=2;
}
break;
}
$t=strtok(" ");
}
if(($this->error=="") && ($n != 0))
{
$this->error=GetMessage("FILTER_ERROR1");
$this->errorno=1;
}
if($this->error!="") return 0;
return $qu;
}
}
class CFilterQuery extends CAllFilterQuery
{
public function BuildWhereClause($word)
{
$this->cnt++;
//if($this->cnt>10) return "1=1";
global $DB;
if (isset($this->m_kav[$word]))
$word = $this->m_kav[$word];
$this->m_words[] = $word;
$n = count($this->m_fields);
$ret = "";
if ($n>1) $ret = "(";
for ($i=0; $i<$n; $i++)
{
$field = $this->m_fields[$i];
if ($this->procent=="Y")
{
$ret.= "
(upper($field) like upper('%".$DB->ForSqlLike($word, 2000)."%') and $field is not null)
";
}
elseif (mb_strpos($word, "%") !== false || mb_strpos($word, "_") !== false)
{
$ret.= "
(upper($field) like upper('".$DB->ForSqlLike($word, 2000)."') and $field is not null)
";
}
else
{
$ret.= "
($field='".$DB->ForSql($word, 2000)."' and $field is not null)
";
}
if ($i<>$n-1) $ret.= " OR ";
}
if ($n>1) $ret.= ")";
return $ret;
}
}