private function parseXml(SimpleXMLElement $xml, PiBX_AST_Tree $ast, $parentObject)
{
$count = $ast->countChildren();
if (!$xml->children()) {
// a leaf node in the XML documents doesn't need to be parsed any further
return (string) $xml;
}
if ($count == 0) {
if ($ast instanceof PiBX_AST_Structure) {
$newObject = $this->parseStructure($xml, $ast, $parentObject);
} else {
throw new RuntimeException('Not supported yet');
}
} else {
$newObject = $parentObject;
for ($i = 0; $i < $count; $i++) {
$child = $ast->get($i);
$name = $child->getName();
$childXml = $xml->{$name};
if ($child instanceof PiBX_AST_Structure) {
$newObject = $this->parseStructure($xml->{$name}, $child, $parentObject);
} elseif ($child instanceof PiBX_AST_Collection) {
$name = $ast->getName();
$list = $this->parseCollection($xml, $child, $parentObject);
$setter = $child->getSetMethod();
$parentObject->{$setter}($list);
} elseif ($child instanceof PiBX_AST_TypeAttribute) {
$newObject = $this->parseTypeAttribute($xml, $child, $parentObject);
} else {
throw new RuntimeException('Not supported yet');
}
}
}
return $newObject;
}
/**
* XSD-Choice elements are handled via private variables/constants
*
* @param PiBX_AST_Tree $tree
* @return array The choice constants as strings
*/
public static function createChoiceConstantsFor(PiBX_AST_Tree $tree)
{
$childCount = $tree->countChildren();
$name = strtoupper($tree->getName());
$names = array();
for ($i = 0; $i < $childCount; ++$i) {
$child = $tree->get($i);
$childName = strtoupper($child->getName());
$names[] = $name . '_' . $childName . '_CHOICE';
}
return $names;
}
private function parseMapping(SimpleXMLElement $xml, PiBX_AST_Tree $part)
{
$nodes = $xml->xpath('./*');
foreach ($nodes as &$child) {
$name = (string) $child->getName();
$attributes = $child->attributes();
if ($name == 'collection') {
$name = (string) $attributes['name'];
$setter = (string) $attributes['set-method'];
$getter = (string) $attributes['get-method'];
$newPart = new PiBX_AST_Collection($name);
$newPart->setSetMethod($setter);
$newPart->setGetMethod($getter);
$class = (string) $attributes['class'];
$this->classMap[$name] = $class;
$this->elementAsts[$name] = $newPart;
$this->parseMapping($child, $newPart);
} elseif ($name == 'structure') {
$name = (string) $attributes['name'];
if ($part instanceof PiBX_AST_Collection) {
// a structure in a collection is a reference to the actual structure
$referencedType = (string) $attributes['map-as'];
$type = $this->getClassnameForName($referencedType);
$newPart = new PiBX_AST_Structure($name);
$newPart->setType($type);
$this->structuralReferences[$referencedType] = $name;
} elseif ($part instanceof PiBX_AST_Type) {
$referencedType = (string) $attributes['map-as'];
$type = $this->getClassnameForName($referencedType);
// a structure in a type is the structure "container"
$newPart = new PiBX_AST_Structure($name, $type);
$getMethod = (string) $attributes['get-method'];
$setMethod = (string) $attributes['set-method'];
$newPart->setGetMethod($getMethod);
$newPart->setSetMethod($setMethod);
} elseif ($part instanceof PiBX_AST_Structure) {
$ordered = (string) $attributes['ordered'];
$ordered = strtolower($ordered);
$choice = (string) $attributes['choice'];
$choice = strtolower($choice);
if ($ordered == 'true' && $choice == 'false') {
$part->setStructureType(PiBX_AST_StructureType::ORDERED());
} elseif ($ordered == 'false' && $choice == 'true') {
$part->setStructureType(PiBX_AST_StructureType::CHOICE());
} else {
throw new RuntimeException('Invalid structure state!');
}
$structureValues = $child->xpath('./*');
// this handling is a bit clunky but needed,
// since the choice structures are defined
// somewhat redundant in the binding.xml
foreach ($structureValues as &$struct) {
$valueName = (string) $struct->getName();
if ($valueName != 'value') {
throw new RuntimeException('No value-element within the structure.');
}
$attributes = $struct->attributes();
$nameAttribute = (string) $attributes['name'];
$newPart = new PiBX_AST_StructureElement($nameAttribute);
$style = (string) $attributes['style'];
$testMethod = (string) $attributes['test-method'];
$getMethod = (string) $attributes['get-method'];
$setMethod = (string) $attributes['set-method'];
$newPart->setStyle($style);
$newPart->setTestMethod($testMethod);
$newPart->setGetMethod($getMethod);
$newPart->setSetMethod($setMethod);
$part->add($newPart);
$this->elementAsts[$nameAttribute] = $newPart;
}
// no further processing needed
// all structure values have been added
break;
}
$this->elementAsts[$name] = $newPart;
$this->parseMapping($child, $newPart);
} elseif ($name == 'value') {
$name = (string) $attributes['name'];
if ($part instanceof PiBX_AST_Collection) {
$newPart = new PiBX_AST_CollectionItem($name);
} elseif ($part instanceof PiBX_AST_Type) {
$newPart = new PiBX_AST_TypeAttribute($name);
$style = (string) $attributes['style'];
$setMethod = (string) $attributes['set-method'];
$getMethod = (string) $attributes['get-method'];
$newPart->setStyle($style);
$newPart->setSetMethod($setMethod);
$newPart->setGetMethod($getMethod);
}
$this->elementAsts[$name] = $newPart;
} else {
throw new InvalidArgumentException('Unexpected binding element "' . $name . '"');
}
$part->add($newPart);
}
}
public function __construct($name = '', $type = '')
{
parent::__construct($name, $type);
$this->isRootType = false;
}
public function visitTypeAttributeEnter(PiBX_AST_Tree $tree)
{
if ($tree->countChildren() == 0) {
// base type attribute
$attributeName = PiBX_Binding_Names::getAttributeName($tree->getName());
$methodName = PiBX_Binding_Names::getCamelCasedName($tree->getName());
$this->currentClassAttributes .= "\tprivate \$" . $attributeName . ";\n";
$type = $tree->getType();
$methods = "\tpublic function set" . $methodName . "(";
if (!PiBX_ParseTree_BaseType::isBaseType($type)) {
// complexTypes (i.e. classes) have to be type-hinted
// in the method signature.
$expectedType = PiBX_Binding_Names::createClassnameFor($type);
$methods .= $expectedType . ' ';
}
$methods .= "\$" . $attributeName . ") {\n";
if ($this->doTypeChecks) {
$methods .= $this->typeChecks->getTypeCheckFor($tree->getType(), $attributeName);
}
$methods .= "\t\t\$this->" . $attributeName . " = \$" . $attributeName . ";\n" . "\t}\n" . "\tpublic function get" . $methodName . "() {\n" . "\t\treturn \$this->" . $attributeName . ";\n" . "\t}\n";
$this->currentClassMethods .= $methods;
return false;
} else {
return true;
}
}
public function add(PiBX_AST_Tree $tree)
{
$this->children[] = $tree;
$tree->setParent($this);
return $this;
}
public function __construct($name = '', $type = '')
{
parent::__construct($name, $type);
}
public function __construct($name = '', $type = '')
{
parent::__construct($name, $type);
$this->style = 'element';
}
/**
* Converts the given parameter $object into its XML representation corresponding
* to its AST.
*
* @param object $object The object to marshal
* @param PiBX_AST_Tree $ast object's AST
* @return void
*/
private function marshalObject($object, PiBX_AST_Tree $ast)
{
$astName = $ast->getName();
$lastNode = $this->currentDomNode;
if ($astName != '') {
// for every named element, a new node in the resulting xml-tree is created
$this->currentDomNode = $this->dom->createElement($astName);
$this->parentDomNode->appendChild($this->currentDomNode);
} else {
// "anonymous" elements are just chained down. No new node has to be created
$this->currentDomNode = $this->parentDomNode;
}
if ($ast instanceof PiBX_AST_Type) {
$this->marshalType($object, $ast);
} elseif ($ast instanceof PiBX_AST_Collection) {
$this->marshalCollection($object, $ast);
} elseif ($ast instanceof PiBX_AST_Structure) {
$this->marshalStructure($object, $ast);
} elseif ($ast instanceof PiBX_AST_TypeAttribute) {
$this->marshalTypeAttribute($object, $ast);
} elseif ($ast instanceof PiBX_AST_StructureElement) {
$this->marshalStructureElement($object, $ast);
} elseif (is_string($object) || $ast instanceof PiBX_AST_CollectionItem) {
$newNode = $this->dom->createTextNode($object);
$this->currentDomNode->appendChild($newNode);
} else {
throw new RuntimeException('Currently not supported: ' . get_class($ast));
}
}
public function visitTypeAttributeEnter(PiBX_AST_Tree $tree)
{
if ($tree->countChildren() == 0) {
if (PiBX_ParseTree_BaseType::isBaseType($tree->getType())) {
$this->xml .= '<value style="' . $tree->getStyle() . '"';
$this->xml .= ' name="' . $tree->getName() . '"';
$getter = PiBX_Binding_Names::createGetterNameFor($tree);
$setter = PiBX_Binding_Names::createSetterNameFor($tree);
$this->xml .= ' get-method="' . $getter . '"';
$this->xml .= ' set-method="' . $setter . '"';
$this->xml .= '/>';
} else {
$this->xml .= '<structure map-as="' . $tree->getType() . '"';
$getter = PiBX_Binding_Names::createGetterNameFor($tree);
$setter = PiBX_Binding_Names::createSetterNameFor($tree);
$this->xml .= ' get-method="' . $getter . '"';
$this->xml .= ' set-method="' . $setter . '"';
$this->xml .= ' name="' . $tree->getName() . '"';
$this->xml .= '/>';
}
return false;
} else {
return true;
}
}