pos/is4c-nf/parser/preparse/ToggleTaxFSDisc.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 ToggleTaxFSDisc extends PreParser
{
private $tfd;
private $remainder;
public $TAX = 4;
public $FS = 2;
public $DISC = 1;
// use bit-masks to determine the which toggles
// should be enabled
function check($str)
{
// ignore comments; they may have all sorts of
// random character cominations
if (substr($str, 0, 2) == "CM") {
return false;
} elseif (substr($str, -2) == "ID") {
return false;
}
$this->tfd = 0;
$this->remainder = '';
if (strstr($str, '1TN')) {
$this->tfd = $this->tfd | $this->TAX;
$parts = explode('1TN', $str, 2);
foreach ($parts as $p) {
$this->remainder .= $p;
}
}
if (strstr($str, 'DN')) {
$this->tfd = $this->tfd | $this->DISC;
$parts = explode('DN', $str, 2);
foreach ($parts as $p) {
$this->remainder .= $p;
}
}
if (strstr($str, 'FN') && !strstr($str, 'FNTL')) {
$this->tfd = $this->tfd | $this->FS;
$parts = explode('FN', $str, 2);
foreach ($parts as $p) {
$this->remainder .= $p;
}
}
return $this->tfd != 0 ? true : false;;
}
function parse($str)
{
if ($this->tfd & $this->TAX) {
$this->session->set("toggletax",1);
}
if ($this->tfd & $this->FS) {
$this->session->set("togglefoodstamp",1);
}
if ($this->tfd & $this->DISC) {
$this->session->set("toggleDiscountable",1);
}
return $this->remainder;
}
function doc(){
return "<table cellspacing=0 cellpadding=3 border=1>
<tr>
<th>Input</th><th>Result</th>
</tr>
<tr>
<td>1TN<i>ringable</i></td>
<td>Toggle tax setting for <i>ringable</i>
which may be an item or group of same items
using *</td>
</tr>
<tr>
<td>FN<i>ringable</i></td>
<td>Toggle foodstamp setting for <i>ringable</i>
which may be an item or group of same items
using *</td>
</tr>
<tr>
<td>DN<i>ringable</i></td>
<td>Toggle discount setting for <i>ringable</i>
which may be an item or group of same items
using *</td>
</tr>
</table>";
}
}