/**
* Reads the data of a style exchange format file.
*
* @param Tar $tar
* @return array data
*/
public static function readStyleData($tar)
{
// search style.xml
$i = $tar->getIndexByFilename(self::INFO_FILE);
if ($i === false) {
throw new SystemException("unable to find required file '" . self::INFO_FILE . "' in style archive", 100001);
}
// open style.xml
$styleXML = new XML();
$styleXML->loadString($tar->extractToString($i));
$xmlContent = $styleXML->getElementTree('style');
$data = array('name' => '', 'description' => '', 'version' => '', 'image' => '', 'copyright' => '', 'license' => '', 'authorName' => '', 'authorURL' => '', 'templates' => '', 'images' => '', 'variables' => '', 'date' => '0000-00-00', 'icons' => '');
foreach ($xmlContent['children'] as $child) {
switch ($child['name']) {
case 'general':
foreach ($child['children'] as $general) {
switch ($general['name']) {
case 'stylename':
$data['name'] = $general['cdata'];
break;
case 'description':
case 'version':
case 'date':
case 'image':
case 'copyright':
case 'license':
$data[$general['name']] = $general['cdata'];
break;
}
}
break;
case 'author':
foreach ($child['children'] as $author) {
switch ($author['name']) {
case 'authorname':
$data['authorName'] = $author['cdata'];
break;
case 'authorurl':
$data['authorURL'] = $author['cdata'];
break;
}
}
break;
case 'files':
foreach ($child['children'] as $files) {
switch ($files['name']) {
case 'templates':
case 'images':
case 'variables':
case 'icons':
$data[$files['name']] = $files['cdata'];
break;
}
}
break;
}
}
if (empty($data['name'])) {
throw new SystemException("required tag 'stylename' is missing in '" . self::INFO_FILE . "'", 100002);
}
if (empty($data['variables'])) {
throw new SystemException("required tag 'variables' is missing in '" . self::INFO_FILE . "'", 100002);
}
// search variables.xml
$i = $tar->getIndexByFilename($data['variables']);
if ($i === false) {
throw new SystemException("unable to find required file '" . $data['variables'] . "' in style archive", 100001);
}
// open variables.xml
$data['variables'] = self::readVariablesData($tar->extractToString($i));
// convert encoding
if (CHARSET != 'UTF-8') {
$data['name'] = StringUtil::convertEncoding('UTF-8', CHARSET, $data['name']);
foreach ($data['variables'] as $key => $value) {
$data['variables'][$key] = StringUtil::convertEncoding('UTF-8', CHARSET, $value);
}
$data['description'] = StringUtil::convertEncoding('UTF-8', CHARSET, $data['description']);
$data['version'] = StringUtil::convertEncoding('UTF-8', CHARSET, $data['version']);
$data['date'] = StringUtil::convertEncoding('UTF-8', CHARSET, $data['date']);
$data['image'] = StringUtil::convertEncoding('UTF-8', CHARSET, $data['image']);
$data['copyright'] = StringUtil::convertEncoding('UTF-8', CHARSET, $data['copyright']);
$data['license'] = StringUtil::convertEncoding('UTF-8', CHARSET, $data['license']);
$data['authorName'] = StringUtil::convertEncoding('UTF-8', CHARSET, $data['authorName']);
$data['authorURL'] = StringUtil::convertEncoding('UTF-8', CHARSET, $data['authorURL']);
}
return $data;
}