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<?php
interface READER_SIMPLEDataFilter extends SIMPLEDataFilter {
function __construct(READER $rdr, LOGGROUP $grp, DATAFilter $filter, &$opts = NULL);
}
class READER_DATAFilter extends DATAFilter {
function __construct(READER $rdr, LOGGROUP $grp = NULL, array $filters = NULL, MASK $mask = NULL, $resample = 0, $limit = 0) {
parent::__construct($mask, $resample, $limit);
if ($filters) $this->AddReaderFilters($rdr, $grp, $filters);
}
function ProcessReaderData(READER $rdr, LOGGROUP $grp, $from = 0, $to = 0, $filter_data) {
if (!$filter_data) $filter_data = array();
$data = $rdr->GetRawData($grp, $from, $to, $this, $filter_data);
return $this->Process($data, $filter_data);
}
}
class READER_SUPERDataFilter extends SUPERDataFilter {
var $filter;
function __construct(DATAFilter $sub_filter, READER $rdr, LOGGROUP $grp = NULL, array $filters = NULL, MASK $mask = NULL, $resample = 0, $limit = 0) {
parent::__construct($sub_filter, $rdr, $grp, $filters, $mask, $resample, $limit);
if ($filters) $this->AddReaderFilters($rdr, $grp, $filters);
}
function ProcessReaderData(READER $rdr, LOGGROUP $grp, $from = 0, $to = 0, $filter_data) {
if (!$filter_data) $filter_data = array();
$data = $rdr->GetRawData($grp, $from, $to, $this, $filter_data);
return $this->filter->Process($this->Process($data, $filter_data), $filter_data);
}
}
?>
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