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<?php |
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/** |
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* @author CONTENT CONTROL http://www.contentcontrol-berlin.de/ |
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* @copyright CONTENT CONTROL http://www.contentcontrol-berlin.de/ |
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* @license http://www.gnu.org/licenses/gpl.html GNU General Public License |
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*/ |
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namespace midgard\portable; |
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use midgard\portable\mgdschema\property; |
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use midgard\portable\mgdschema\type; |
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use midgard\portable\mgdschema\mixin; |
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use SimpleXMLElement; |
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class xmlreader |
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{ |
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/** |
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* |
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* @var array |
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*/ |
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private $mixins = []; |
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public function parse(string $filename) : array |
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{ |
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$types = []; |
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$parser = simplexml_load_file($filename); |
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$parser->registerXPathNamespace('r', "http://www.midgard-project.org/repligard/1.4"); |
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$nodes = $parser->xpath('/r:Schema/r:type'); |
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foreach ($nodes as $node) { |
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$type = $this->parse_type($node); |
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if (empty($type->table)) { |
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throw new \LogicException('"table" attribute is missing in ' . $type->name . ' (' . $filename . ')'); |
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} |
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$types[$type->name] = $type; |
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} |
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return $types; |
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} |
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private function parse_type(SimpleXMLElement $node) : type |
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{ |
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$type = new type($node->attributes()); |
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$node->registerXPathNamespace('r', "http://www.midgard-project.org/repligard/1.4"); |
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$properties = $node->xpath('r:property'); |
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foreach ($properties as $property) { |
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$this->add_property($type, $property); |
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} |
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$guid = new property($type, 'guid', 'guid'); |
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$guid->unique = true; |
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$type->add_property($guid); |
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if ($type->has_metadata) { |
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$this->add_mixin('metadata', $type); |
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} |
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return $type; |
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} |
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private function add_property(type $type, SimpleXMLElement $node, string $prefix = '') |
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{ |
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if ($prefix !== '') { |
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$prefix .= '_'; |
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} |
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$attributes = $node->attributes(); |
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$property_name = null; |
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$property_type = null; |
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$property_attributes = []; |
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foreach ($attributes as $name => $value) { |
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$value = (string) $value; |
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switch ($name) { |
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case 'primaryfield': |
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case 'upfield': |
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$type->$name = $value; |
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break; |
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case 'name': |
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$property_name = $prefix . $value; |
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break; |
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case 'type': |
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$property_type = $value; |
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break; |
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case 'field': |
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$value = $prefix . $value; |
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//fall-through |
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default: |
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$property_attributes[$name] = $value; |
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break; |
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} |
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} |
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$node->registerXPathNamespace('r', "http://www.midgard-project.org/repligard/1.4"); |
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$description = $node->xpath('r:description'); |
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if ($description) { |
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$property_attributes['description'] = (string) $description[0]; |
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} |
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$property = new property($type, $property_name, $property_type); |
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$property->set_multiple($property_attributes); |
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$type->add_property($property); |
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} |
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private function add_mixin(string $name, type $type) |
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{ |
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if (empty($this->mixins[$name])) { |
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$schema = simplexml_load_file(dirname(__DIR__) . '/xml/' . $name . '.xml'); |
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$schema->registerXPathNamespace('r', 'http://www.midgard-project.org/repligard/1.4'); |
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$nodes = $schema->xpath('/r:Schema/r:mixin'); |
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$this->mixins[$name] = new mixin($nodes[0]->attributes()); |
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foreach ($schema->xpath('/r:Schema/r:mixin/r:property') as $property) { |
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$this->add_property($this->mixins[$name], $property, $name); |
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} |
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} |
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$type->add_property($this->mixins[$name], $name); |
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foreach ($this->mixins[$name]->get_properties() as $field => $property) { |
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$type->add_property($property, $field); |
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} |
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} |
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} |
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flack /
midgard-portable
This check marks implicit conversions of arrays to boolean values in a comparison. While in PHP an empty array is considered to be equal (but not identical) to false, this is not always apparent.
Consider making the comparison explicit by using
empty(..)or! empty(...)instead.