Podgląd pliku: / books / includes / MARC21.php
<?php
/*****************************************************
* System biblioteczny *
*****************************************************
* Wersja: 1.3 Stable *
* Data: 17.06.2012 (15:07) *
* Autor: Jacek Kowalski (http://jacekk.info) *
* *
* Utwor rozprowadzany na licencji *
* http://creativecommons.org/licenses/by-nc-sa/2.5/ *
*****************************************************/
define('RECORD_SEPERATOR', chr(0x1e));
define('UNIT_SEPERATOR', chr(0x1f));
class MARC21 {
static function from_string($data) {
$lead_len = 24;
$lead = substr($data, 0, $lead_len);
$file_length = substr($lead, 0, 5);
$head_len = substr($lead, 12, 5);
$cat_record_lof = substr($lead, 20, 1);
$cat_record_scp = substr($lead, 21, 1);
$cat_record_imp = substr($lead, 22, 1);
$cat_record_len = 3 + $cat_record_lof + $cat_record_scp + $cat_record_imp;
$cat_len = $head_len-$lead_len-1;
$cat = substr($data, $lead_len, $cat_len);
$info = substr($data, $head_len);
$unit = FALSE;
for($i=0; $i<$cat_len; $i += $cat_record_len) {
$rec_num = substr($cat, $i, 3);
if($rec_num>899) {
continue;
}
$rec_len = substr($cat, $i+3, $cat_record_lof);
$rec_start = substr($cat, $i+3+$cat_record_lof, $cat_record_scp);
$rec = substr($info, $rec_start, $rec_len-1);
$temp = array();
$unit = FALSE;
$unit_letter = 'a';
for($j=0; $j<$rec_len; $j++) {
$char = substr($rec, $j, 1);
if(($j==0 || $j==1) && $rec_num>9 && $char!=' ') {
if($j==0) {
$temp['f0'] = $char;
}
elseif($j==1) {
$temp['f1'] = $char;
}
}
elseif($char == UNIT_SEPERATOR) {
$unit = TRUE;
}
elseif($unit === TRUE) {
$temp[$unit_letter] = trim($collect, ' :;,/');
$unit = FALSE;
$unit_letter = $char;
$collect = '';
}
else
{
$collect .= $char;
}
}
$temp[$unit_letter] = trim($collect, ' :;,/');
$collect = '';
$return[$rec_num][] = $temp;
}
return $return;
}
static function to_array($MARC) {
if(!$MARC['020']) {
$MARC['020'] = array();
}
foreach($MARC['020'] as $value) {
$value = (string)$value['a'];
if(strlen($value)==9 AND strlen($value)!=13) {
$value .= checksum::ISBN($value);
}
if( strlen($value) > strlen($ISBN) ) {
$ISBN = $value;
}
}
if(!$MARC['022']) {
$MARC['022'] = array();
}
foreach($MARC['022'] as $value) {
$value = (int)$value['a'];
if( strlen($value) > strlen($ISSN) ) {
$ISSN = $value;
}
}
if($MARC['100'][0]['f0']==1) {
$autor = explode(', ', $MARC['100'][0]['a'], 2);
$MARC['100'][0]['a'] = str_replace('.', '', $autor[1]).' '.$autor[0];
}
if(empty($MARC['100'][0]['a'])) {
$MARC['100'][0]['a'] = 'Praca zbiorowa';
}
$MARC['260'][0]['b'] = str_replace(
array(
'Wydaw.',
'Państ.',
'Państw.',
'PK',
'Min.',
),
array(
'Wydawnictwo',
'Państwowy',
'Państwowe',
'Politechnika Krakowska',
'Ministerstwa',
),
$MARC['260'][0]['b']);
if($MARC['041'][0]['a'] == 'pol') {
$MARC['041'][0]['a'] = 'polski';
}
if(empty($MARC['041'][0]['a'])) {
$MARC['041'][0]['a'] = 'polski';
}
if(!empty($MARC['245'][0]['b'])) {
$MARC['245'][0]['a'] = trim($MARC['245'][0]['a'], '().,\\/"\' ').'. '.ucfirst(trim($MARC['245'][0]['b'], '().,\\/"\' '));
}
return array(
'tytul' => trim($MARC['245'][0]['a'], '().,\\/"\' '),
'autor' => trim($MARC['100'][0]['a'], '().,\\/"\' '),
'rok' => trim($MARC['260'][0]['c'], '().,\\/"\' '),
'miejsce' => trim($MARC['260'][0]['a'], '().,\\/"\' '),
'wydawnictwo' => trim($MARC['260'][0]['b'], '().,\\/"\' '),
'wydanie' => trim($MARC['250'][0]['a'], '().,\\/"\' '),
'jezyk' => $MARC['041'][0]['a'],
'ISBN' => $ISBN,
'ISSN' => $ISSN,
/* stan */
);
}
static function to_database($kod, $MARC) {
if(!$MARC['020']) {
$MARC['020'] = array();
}
foreach($MARC['020'] as $value) {
$value = (int)$value['a'];
if( strlen($value) > strlen($ISBN) ) {
$ISBN = $value;
}
}
if(!$MARC['022']) {
$MARC['022'] = array();
}
foreach($MARC['022'] as $value) {
$value = (int)$value['a'];
if( strlen($value) > strlen($ISSN) ) {
$ISSN = $value;
}
}
db2::add('ksiazki', array(
'id' => $kod,
'tytul' => $MARC['245'][0]['a'],
'autor' => $MARC['100'][0]['a'],
'rok' => $MARC['260'][0]['c'],
'miejsce' => $MARC['260'][0]['a'],
'wydawnictwo' => $MARC['260'][0]['b'],
'wydanie' => $MARC['250'][0]['a'],
'jezyk' => $MARC['041'][0]['a'],
'ISBN' => $ISBN,
'ISSN' => $ISSN,
/* stan */
));
}
}
?>
Browse Code © 2010 by Jacek Kowalski