<?php
/**
-*Class for some IPTC functions.
+ * Class for some IPTC functions.
+ *
+ * This program 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.
+ *
+ * This program 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 along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ * @ingroup Media
+ */
-*/
+/**
+ * Class for some IPTC functions.
+ *
+ * @ingroup Media
+ */
class IPTC {
/**
static function parse( $rawData ) {
$parsed = iptcparse( $rawData );
$data = Array();
- if (!is_array($parsed)) {
+ if ( !is_array( $parsed ) ) {
return $data;
}
$c = '';
//charset info contained in tag 1:90.
- if (isset($parsed['1#090']) && isset($parsed['1#090'][0])) {
- $c = self::getCharset($parsed['1#090'][0]);
- if ($c === false) {
+ if ( isset( $parsed['1#090'] ) && isset( $parsed['1#090'][0] ) ) {
+ $c = self::getCharset( $parsed['1#090'][0] );
+ if ( $c === false ) {
//Unknown charset. refuse to parse.
//note: There is a different between
//unknown and no charset specified.
}
foreach ( $parsed as $tag => $val ) {
- if ( isset( $val[0] ) && trim($val[0]) == '' ) {
- wfDebugLog('iptc', "IPTC tag $tag had only whitespace as its value.");
+ if ( isset( $val[0] ) && trim( $val[0] ) == '' ) {
+ wfDebugLog( 'iptc', "IPTC tag $tag had only whitespace as its value." );
continue;
}
switch( $tag ) {
if ( isset( $parsed['2#070'] ) ) {
//if a version is set for the software.
$softwareVersion = self::convIPTC( $parsed['2#070'], $c );
- unset($parsed['2#070']);
+ unset( $parsed['2#070'] );
$data['Software'] = array( array( $software[0], $softwareVersion[0] ) );
} else {
$data['Software'] = $software;
} else {
$time = Array();
}
- $timestamp = self::timeHelper( $val, $time, $c );
- if ($timestamp) {
+ $timestamp = self::timeHelper( $val, $time, $c );
+ if ( $timestamp ) {
$data['DateTimeOriginal'] = $timestamp;
}
break;
} else {
$time = Array();
}
- $timestamp = self::timeHelper( $val, $time, $c );
- if ($timestamp) {
+ $timestamp = self::timeHelper( $val, $time, $c );
+ if ( $timestamp ) {
$data['DateTimeDigitized'] = $timestamp;
}
break;
} else {
$time = Array();
}
- $timestamp = self::timeHelper( $val, $time, $c );
- if ($timestamp) {
+ $timestamp = self::timeHelper( $val, $time, $c );
+ if ( $timestamp ) {
$data['DateTimeReleased'] = $timestamp;
}
break;
} else {
$time = Array();
}
- $timestamp = self::timeHelper( $val, $time, $c );
- if ($timestamp) {
+ $timestamp = self::timeHelper( $val, $time, $c );
+ if ( $timestamp ) {
$data['DateTimeExpires'] = $timestamp;
}
break;
// describing the subject matter of the content.
$codes = self::convIPTC( $val, $c );
foreach ( $codes as $ic ) {
- $fields = explode(':', $ic, 3 );
+ $fields = explode( ':', $ic, 3 );
if ( count( $fields ) < 2 ||
$fields[0] !== 'IPTC' )
if ( count( $date ) === 1 ) {
//the standard says this should always be 1
//just double checking.
- list($date) = self::convIPTC( $date, $c );
+ list( $date ) = self::convIPTC( $date, $c );
} else {
return null;
}
if ( count( $time ) === 1 ) {
- list($time) = self::convIPTC( $time, $c );
+ list( $time ) = self::convIPTC( $time, $c );
$dateOnly = false;
} else {
$time = '000000+0000'; //placeholder
$dateOnly = true;
}
- if ( ! ( preg_match('/\d\d\d\d\d\d[-+]\d\d\d\d/', $time)
- && preg_match('/\d\d\d\d\d\d\d\d/', $date)
- && substr($date, 0, 4) !== '0000'
- && substr($date, 4, 2) !== '00'
- && substr($date, 6, 2) !== '00'
- ) ) {
+ if ( !( preg_match( '/\d\d\d\d\d\d[-+]\d\d\d\d/', $time )
+ && preg_match( '/\d\d\d\d\d\d\d\d/', $date )
+ && substr( $date, 0, 4 ) !== '0000'
+ && substr( $date, 4, 2 ) !== '00'
+ && substr( $date, 6, 2 ) !== '00'
+ ) ) {
//something wrong.
// Note, this rejects some valid dates according to iptc spec
// for example: the date 00000400 means the photo was taken in
// April, but the year and day is unknown. We don't process these
// types of incomplete dates atm.
- wfDebugLog( 'iptc', "IPTC: invalid time ( $time ) or date ( $date )");
+ wfDebugLog( 'iptc', "IPTC: invalid time ( $time ) or date ( $date )" );
return null;
}
*/
private static function convIPTC ( $data, $charset ) {
if ( is_array( $data ) ) {
- foreach ($data as &$val) {
+ foreach ( $data as &$val ) {
$val = self::convIPTCHelper( $val, $charset );
}
} else {
private static function convIPTCHelper ( $data, $charset ) {
if ( $charset ) {
wfSuppressWarnings();
- $data = iconv($charset, "UTF-8//IGNORE", $data);
+ $data = iconv( $charset, "UTF-8//IGNORE", $data );
wfRestoreWarnings();
- if ($data === false) {
+ if ( $data === false ) {
$data = "";
- wfDebugLog('iptc', __METHOD__ . " Error converting iptc data charset $charset to utf-8");
+ wfDebugLog( 'iptc', __METHOD__ . " Error converting iptc data charset $charset to utf-8" );
}
} else {
//treat as utf-8 if is valid utf-8. otherwise pretend its windows-1252
// most of the time if there is no 1:90 tag, it is either ascii, latin1, or utf-8
$oldData = $data;
UtfNormal::quickIsNFCVerify( $data ); //make $data valid utf-8
- if ($data === $oldData) {
+ if ( $data === $oldData ) {
return $data; //if validation didn't change $data
} else {
return self::convIPTCHelper( $oldData, 'Windows-1252' );
* all iso 2022 escape codes. In practise, the code for utf-8 is the
* only code that seems to have wide use. It does detect that code.
*/
- static function getCharset($tag) {
+ static function getCharset( $tag ) {
//According to iim standard, charset is defined by the tag 1:90.
//in which there are iso 2022 escape sequences to specify the character set.
$c = 'CSN_369103';
break;
default:
- wfDebugLog('iptc', __METHOD__ . 'Unknown charset in iptc 1:90: ' . bin2hex( $tag ) );
+ wfDebugLog( 'iptc', __METHOD__ . 'Unknown charset in iptc 1:90: ' . bin2hex( $tag ) );
//at this point just give up and refuse to parse iptc?
$c = false;
}
dépôts / lhc / web / wiklou.git / blobdiff