class IPTC {
/**
- * This takes the results of iptcparse() and puts it into a
- * form that can be handled by mediawiki. Generally called from
- * BitmapMetadataHandler::doApp13.
- *
- * @see http://www.iptc.org/std/IIM/4.1/specification/IIMV4.1.pdf
- *
- * @param $rawData String app13 block from jpeg containing iptc/iim data
- * @return Array iptc metadata array
- */
+ * This takes the results of iptcparse() and puts it into a
+ * form that can be handled by mediawiki. Generally called from
+ * BitmapMetadataHandler::doApp13.
+ *
+ * @see http://www.iptc.org/std/IIM/4.1/specification/IIMV4.1.pdf
+ *
+ * @param string $rawData app13 block from jpeg containing iptc/iim data
+ * @return Array iptc metadata array
+ */
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;
/* original transmission ref.
* "A code representing the location of original transmission ac-
* cording to practises of the provider."
- */
+ */
$data['OriginalTransmissionRef'] = self::convIPTC( $val, $c );
break;
case '2#118': /*contact*/
} 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' )
}
/**
- * Convert an iptc date and time tags into the exif format
- *
- * @todo Potentially this should also capture the timezone offset.
- * @param Array $date The date tag
- * @param Array $time The time tag
- * @param $c
- * @return String Date in exif format.
- */
+ * Convert an iptc date and time tags into the exif format
+ *
+ * @todo Potentially this should also capture the timezone offset.
+ * @param array $date The date tag
+ * @param array $time The time tag
+ * @param $c
+ * @return String Date in exif format.
+ */
private static function timeHelper( $date, $time, $c ) {
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;
}
}
/**
- * Helper function to convert charset for iptc values.
- * @param $data string|array The iptc string
- * @param $charset String: The charset
+ * Helper function to convert charset for iptc values.
+ * @param string|array $data The iptc string
+ * @param string $charset The charset
*
* @return string|array
- */
- private static function convIPTC ( $data, $charset ) {
+ */
+ private static function convIPTC( $data, $charset ) {
if ( is_array( $data ) ) {
- foreach ($data as &$val) {
+ foreach ( $data as &$val ) {
$val = self::convIPTCHelper( $val, $charset );
}
} else {
return $data;
}
/**
- * Helper function of a helper function to convert charset for iptc values.
- * @param $data Mixed String or Array: The iptc string
- * @param $charset String: The charset
- *
- * @return string
- */
- private static function convIPTCHelper ( $data, $charset ) {
+ * Helper function of a helper function to convert charset for iptc values.
+ * @param $data Mixed String or Array: The iptc string
+ * @param string $charset The charset
+ *
+ * @return string
+ */
+ 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' );
}
/**
- * take the value of 1:90 tag and returns a charset
- * @param String $tag 1:90 tag.
- * @return string charset name or "?"
- * Warning, this function does not (and is not intended to) detect
- * all iso 2022 escape codes. In practise, the code for utf-8 is the
- * only code that seems to have wide use. It does detect that code.
- */
- static function getCharset($tag) {
+ * take the value of 1:90 tag and returns a charset
+ * @param string $tag 1:90 tag.
+ * @return string charset name or "?"
+ * Warning, this function does not (and is not intended to) detect
+ * 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 ) {
//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.
case "\x1b(K":
$c = "ISO646-DE";
break;
- case "\x1b(N": //crylic
+ case "\x1b(N": //crylic
$c = "ISO_5427";
break;
case "\x1b(`": //iso646-NO
$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