pos/is4c-nf/parser/preparse/PercentDiscount.php
<?php
/*******************************************************************************
Copyright 2007 Whole Foods Co-op
This file is part of IT CORE.
IT CORE is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
IT CORE is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
in the file license.txt along with IT CORE; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*********************************************************************************/
namespace COREPOS\pos\parser\preparse;
use COREPOS\pos\parser\PreParser;
class PercentDiscount extends PreParser
{
private $remainder;
function check($str)
{
if (strstr($str,"DI")) {
$split = explode("DI",$str);
if (is_numeric($split[0])){
$this->remainder = $split[1];
$this->session->set("itemPD",(int)$split[0]);
return true;
}
} elseif (strpos($str,"PD") > 0) {
$split = explode("PD",$str);
if (is_numeric($split[0]) && strlen($split[1]) > 0){
$this->remainder = $split[1];
$this->session->set("itemPD",(int)$split[0]);
return true;
}
}
return false;
}
function parse($str)
{
return $this->remainder;
}
function doc()
{
return "<table cellspacing=0 cellpadding=3 border=1>
<tr>
<th>Input</th><th>Result</th>
</tr>
<tr>
<td><i>discount</i>DI<i>item</i></td>
<td>Set a percent discount <i>discount</i>
for just one item <i>item</i></td>
</tr>
<tr>
<td><i>discount</i>PD<i>item</i></td>
<td>Same as DI above</td>
</tr>
</table>";
}
}