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Implement SimpleXML parsers for info.xml and module.xml

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Kijin Sung 2020-06-12 22:41:18 +09:00
parent f0b8836595
commit 7cf17bc43f
3 changed files with 311 additions and 298 deletions
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120
common/framework/parsers/moduleinfoparser.php Normal file
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<?php
namespace Rhymix\Framework\Parsers;
/**
* Module info (conf/info.xml) parser class for XE compatibility.
*/
class ModuleInfoParser
{
/**
* Load an XML file.
*
* @param string $filename
* @return object|null
*/
public static function loadXML(string $filename): ?object
{
// Get the current language.
$lang = \Context::getLangType();
// Initialize the module definition.
$info = new \stdClass;
// Load the XML file.
$xml = simplexml_load_file($filename);
if ($xml === false)
{
return null;
}
// Get the XML schema version.
$version = strval($xml['version']) ?: '0.1';
// Parse version 0.2
if ($version === '0.2')
{
$info->title = self::_getElementsByLang($xml, 'title', $lang);
$info->description = self::_getElementsByLang($xml, 'description', $lang);
$info->version = trim($xml->version);
$info->homepage = trim($xml->homepage);
$info->category = trim($xml->category) ?: 'service';
$info->date = date('Ymd', strtotime($xml->date . 'T12:00:00Z'));
$info->license = trim($xml->license);
$info->license_link = trim($xml->license['link']);
$info->author = array();
foreach ($xml->author as $author)
{
$author_info = new \stdClass;
$author_info->name = self::_getElementsByLang($author, 'name', $lang);
$author_info->email_address = trim($author['email_address']);
$author_info->homepage = trim($author['link']);
$info->author[] = $author_info;
}
}
// Parse version 0.1
else
{
$info->title = self::_getElementsByLang($xml, 'title', $lang);
$info->description = self::_getElementsByLang($xml->author, 'description', $lang);
$info->version = trim($xml['version']);
$info->homepage = trim($xml->homepage);
$info->category = trim($xml['category']) ?: 'service';
$info->date = date('Ymd', strtotime($xml->author['date'] . 'T12:00:00Z'));
$info->license = trim($xml->license);
$info->license_link = trim($xml->license['link']);
$info->author = array();
foreach ($xml->author as $author)
{
$author_info = new \stdClass;
$author_info->name = self::_getElementsByLang($author, 'name', $lang);
$author_info->email_address = trim($author['email_address']);
$author_info->homepage = trim($author['link']);
$info->author[] = $author_info;
}
}
// Add information about actions.
$action_info = ModuleActionParser::loadXML(strtr($filename, ['info.xml' => 'module.xml']));
$info->admin_index_act = $action_info->admin_index_act;
$info->default_index_act = $action_info->default_index_act;
$info->setup_index_act = $action_info->setup_index_act;
$info->simple_setup_index_act = $action_info->simple_setup_index_act;
// Return the complete result.
return $info;
}
/**
* Get child elements that match a language.
*
* @param SimpleXMLElement $parent
* @param string $tag_name
* @param string $lang
* @return string|null
*/
protected static function _getElementsByLang(\SimpleXMLElement $parent, string $tag_name, string $lang): ?string
{
// If there is a child element that matches the language, return it.
foreach ($parent->{$tag_name} as $child)
{
$attribs = $child->attributes('xml', true);
if (strval($attribs['lang']) === $lang)
{
return trim($child);
}
}
// Otherwise, return the first child element.
foreach ($parent->{$tag_name} as $child)
{
return trim($child);
}
// If there are no child elements, return null.
return null;
}
}