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<?
# vim:set ts=4:
# vim:set shiftwidth=4:
/*
* Backslide - 3node BTS
* (c) 2002 Florian Reitmeir/3node
* Peter Palfrader/3node
*
* $Id: Tools.inc,v 1.2 2002/05/28 14:31:24 weasel Exp $
*/
#
# Todo:
# * Dokumemtation
#
function error($msg)
{
print "Error: $msg\n";
exit;
}
function redirect($ns, $name='', $vars = array())
{
if (sizeof($vars)>0) {
foreach ($vars as $key=>$value) {
$param[] = $key.'='.urlencode($value);
}
$pars = '?' . implode('&', $param);
} else {
$pars = '';
}
if ($name != '') {
Header('Location: '.$ns->config->baseurl.'/'.$name . $pars);
} elseif (isset ($GLOBALS['followup_to'])) {
Header('Location: '.$GLOBALS['followup_to'] . $pars);
} elseif (isset ($GLOBALS['HTTP_REFERER'])) {
Header('Location: '.$GLOBALS['HTTP_REFERER'] . $pars);
} else {
error('Fehler: Weiss nicht mehr wohin jetzt.');
};
}
function param_check(&$parameters, &$new_check_fields, $optionals=array())
{
$check_parameters = array();
$params_required = isset($optionals['params_required']) ? $optionals['params_required']: true;
$form_id = isset($optionals['form_id']) ? $optionals['form_id'] : $parameters['form_id'];
if ( ! isset($form_id) )
if ( $params_required )
error('Formular ID: not set');
else {
$form_id='default';
}
if ( $form_id == 'default' && ! isset($new_check_fields[$form_id]) )
return $check_parameters;
if ( ! isset($new_check_fields[$form_id]) )
error("Formular ID: is set ('$form_id') but no ruleset defined");
assert($form_id !== false );
assert($new_check_fields[$form_id] !== false);
$check_fields = $new_check_fields[$form_id];
foreach( $check_fields as $field_name => $field ) {
if ( !isset($parameters[$field_name]) && $field['type'] != 'boolean' ) {
if (!$field['optional'] )
error('Parameter '.$field_name.' not found');
} else {
if ( isset($field['length']) && strlen($parameters[$field_name])>$field['length'] )
error('Parameter '.$field_name.' to long');
unset($result);
switch ($field['type']) {
case 'integer':
if (!(is_numeric($parameters[$field_name]) && is_int($parameters[$field_name] + 0)))
error($field_name . ' is not an Integer');
$result=$parameters[$field_name] + 0;
break;
case 'decimal':
if (! isset($field['scale']) )
$field['scale'] = 0;
assert(isset($field['precision']));
assert(isset($field['scale']));
$vorkomma = '[0-9]{0,'.($field['precision'] - $field['scale']).'}';
$nachkomma = '[0-9]{0,'.($field['scale']).'}';
$regex = $vorkomma . '(\.'.$nachkomma.')?';
$matches = preg_match('/^'.$regex.'$/', $parameters[$field_name]);
if (! $matches)
error($field_name . " is not Decimal (matching $regex)");
$result=$parameters[$field_name];
if ($result === '')
$result = 0;
break;
case 'string':
if (!is_string($parameters[$field_name]))
error($field_name . ' is not a String');
$result=trim($parameters[$field_name]);
break;
case 'boolean':
if ($parameters[$field_name])
$result=true;
else
$result=false;
break;
case 'anything':
$result=$parameters[$field_name];
break;
default:
error('unkown Type '.$field['type'].' in Ruleset '.$form_id.' for field '.$field_name);
}
assert(isset($result));
if ( isset( $field['modifier'] ) )
if ( is_array($field['modifier']) )
foreach ($field['modifier'] as $modifier) {
assert(is_callable($modifier));
$result = $modifier($result);
}
else {
assert(is_callable($field['modifier']));
$result = $field['modifier']($result);
}
if (! $field['discard'])
$check_parameters[$field_name] = $result;
}
}
$check_parameters['form_id']=$form_id;
return $check_parameters;
}
function print_array(&$fields, $die = 0)
{
echo "<pre>";
print_r($fields);
echo "XXXXXXXXXXXX</pre>";
if ($die)
exit;
}
# vim:set ts=4:
# vim:set syntax=php:
# vim:set shiftwidth=4:
?>
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