public static function init()
{
if (!self::$alreadyInitialized) {
self::$ordered = new PiBX_AST_StructureType('ordered');
self::$choice = new PiBX_AST_StructureType('choice');
self::$alreadyInitialized = true;
}
}
/**
*
* @param SimpleXMLElement $xml
* @param PiBX_AST_Structure $ast
* @param object $parentObject
*/
private function parseStructure(SimpleXMLElement $xml, PiBX_AST_Structure $ast, $parentObject)
{
$name = $ast->getName();
$type = $ast->getType();
if ($type == '') {
if ($ast->getStructureType() === PiBX_AST_StructureType::CHOICE()) {
return $this->parseChoiceStructure($xml, $ast, $parentObject);
} elseif ($ast->getStructureType() === PiBX_AST_StructureType::ORDERED()) {
throw new RuntimeException('Not supported yet.');
} else {
throw new RuntimeException('Invalid <structure>.');
}
} else {
// a structure with a type is a reference to the type
if (!PiBX_ParseTree_BaseType::isBaseType($type)) {
$structAst = $this->binding->getASTForClass($type);
$newObject = new $type();
$parsedObject = $this->parseXml($xml, $structAst, $newObject);
$setter = $ast->getSetMethod();
$parentObject->{$setter}($parsedObject);
} else {
return $parentObject;
}
}
}
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 visitStructureLeave(PiBX_AST_Tree $tree)
{
if ($tree->getStructureType() == PiBX_AST_StructureType::CHOICE()) {
$this->xml .= '</structure>';
}
$this->xml .= "</structure>";
return true;
}
function visitChoiceNode(PiBX_ParseTree_Tree $tree)
{
$this->plowTypesForLevel($tree->getLevel());
$this->log($tree->getLevel() . " " . str_pad(" ", $tree->getLevel()) . " choice");
$s = new PiBX_AST_Structure();
$s->setStructureType(PiBX_AST_StructureType::CHOICE());
$sf = new PiBX_CodeGen_ASTStackFrame($tree->getLevel(), $s);
array_push($this->stack, $sf);
$this->lastLevel = $tree->getLevel();
}
public function testBooksBinding()
{
$filepath = dirname(__FILE__) . '/../_files/Books';
$bindingFile = $filepath . '/binding.xml';
$expectedXml = file_get_contents($bindingFile);
$binding = new PiBX_Runtime_Binding($bindingFile);
$asts = $binding->parse();
$this->assertEquals(2, count($asts));
// first tree/type
$expectedAst1 = new PiBX_AST_Type('Collection');
$expectedAst1->setType('Collection');
$expectedAst1->setAsRoot();
$collection = new PiBX_AST_Collection('books');
$collection->setGetMethod('getBooks');
$collection->setSetMethod('setBooks');
$structure = new PiBX_AST_Structure('book');
$structure->setType('BookType');
$expectedAst1->add($collection->add($structure));
$this->assertEquals($expectedAst1, $asts[0]);
// second tree/type
$expectedAst2 = new PiBX_AST_Type('bookType');
$expectedAst2->setType('BookType');
$value1 = new PiBX_AST_TypeAttribute('name');
$value1->setStyle('element');
$value1->setGetMethod('getName');
$value1->setSetMethod('setName');
$expectedAst2->add($value1);
$value2 = new PiBX_AST_TypeAttribute('ISBN');
$value2->setStyle('element');
$value2->setGetMethod('getISBN');
$value2->setSetMethod('setISBN');
$expectedAst2->add($value2);
$value3 = new PiBX_AST_TypeAttribute('price');
$value3->setStyle('element');
$value3->setGetMethod('getPrice');
$value3->setSetMethod('setPrice');
$expectedAst2->add($value3);
$value4 = new PiBX_AST_Collection('authors');
$value4->setGetMethod('getAuthorNames');
$value4->setSetMethod('setAuthorNames');
$value4item = new PiBX_AST_CollectionItem('authorName');
$value4->add($value4item);
$expectedAst2->add($value4);
$value5 = new PiBX_AST_TypeAttribute('description');
$value5->setStyle('element');
$value5->setGetMethod('getDescription');
$value5->setSetMethod('setDescription');
$expectedAst2->add($value5);
$value6 = new PiBX_AST_Structure('promotion');
$value6->setStructureType(PiBX_AST_StructureType::CHOICE());
$value6Item1 = new PiBX_AST_StructureElement('Discount');
$value6Item1->setTestMethod('ifPromotionDiscount');
$value6Item1->setGetMethod('getPromotionDiscount');
$value6Item1->setSetMethod('setPromotionDiscount');
$value6Item1->setStyle('element');
$value6Item2 = new PiBX_AST_StructureElement('None');
$value6Item2->setTestMethod('ifPromotionNone');
$value6Item2->setGetMethod('getPromotionNone');
$value6Item2->setSetMethod('setPromotionNone');
$value6Item2->setStyle('element');
$value6->add($value6Item1);
$value6->add($value6Item2);
$expectedAst2->add($value6);
$value7 = new PiBX_AST_TypeAttribute('publicationDate');
$value7->setStyle('element');
$value7->setGetMethod('getPublicationDate');
$value7->setSetMethod('setPublicationDate');
$expectedAst2->add($value7);
$value8 = new PiBX_AST_TypeAttribute('bookCategory');
$value8->setStyle('element');
$value8->setGetMethod('getBookCategory');
$value8->setSetMethod('setBookCategory');
$expectedAst2->add($value8);
$value9 = new PiBX_AST_TypeAttribute('itemId');
$value9->setStyle('attribute');
$value9->setGetMethod('getItemId');
$value9->setSetMethod('setItemId');
$expectedAst2->add($value9);
$this->assertEquals($expectedAst2, $asts[1]);
}
public function testBooksExampleXSD()
{
$data = file_get_contents(dirname(__FILE__) . '/../_files/Books/books.xsd');
$expectedTypeList = array();
$expectedType1 = new PiBX_AST_Type('Collection');
$expectedType1->setAsRoot();
$expectedType1->setAttributeCount(1);
$expectedType1->setNamespaces(array('xs' => 'http://www.w3.org/2001/XMLSchema'));
$ta = new PiBX_AST_TypeAttribute('books');
$c = new PiBX_AST_Collection();
$ci = new PiBX_AST_CollectionItem('book');
$ci->setType('bookType');
$expectedType1->add($ta);
$ta->add($c);
$c->add($ci);
$expectedTypeList[] = $expectedType1;
$expectedType2 = new PiBX_AST_Type('bookType');
$expectedType2->setAttributeCount(8);
$expectedType2->add(new PiBX_AST_TypeAttribute('name', 'string'));
$expectedType2->add(new PiBX_AST_TypeAttribute('ISBN', 'long'));
$expectedType2->add(new PiBX_AST_TypeAttribute('price', 'string'));
$ta = new PiBX_AST_TypeAttribute('authors');
$c = new PiBX_AST_Collection();
$ci = new PiBX_AST_CollectionItem('authorName', 'string');
$c->add($ci);
$ta->add($c);
$expectedType2->add($ta);
$expectedType2->add(new PiBX_AST_TypeAttribute('description', 'string'));
$ta = new PiBX_AST_TypeAttribute('promotion');
$s = new PiBX_AST_Structure();
$s->setStructureType(PiBX_AST_StructureType::CHOICE());
$s->add(new PiBX_AST_StructureElement('Discount', 'string'));
$s->add(new PiBX_AST_StructureElement('None', 'string'));
$ta->add($s);
$expectedType2->add($ta);
$expectedType2->add(new PiBX_AST_TypeAttribute('publicationDate', 'date'));
$ta = new PiBX_AST_TypeAttribute('bookCategory');
$e = new PiBX_AST_Enumeration();
$e->add(new PiBX_AST_EnumerationValue('magazine', 'string'));
$e->add($ev = new PiBX_AST_EnumerationValue('novel', 'string'));
$e->add($ev = new PiBX_AST_EnumerationValue('fiction', 'string'));
$e->add($ev = new PiBX_AST_EnumerationValue('other', 'string'));
$ta->add($e);
$expectedType2->add($ta);
$ta = new PiBX_AST_TypeAttribute('itemId', 'string');
$ta->setStyle('attribute');
$expectedType2->add($ta);
$expectedTypeList[] = $expectedType2;
$enumeration = new PiBX_AST_Enumeration();
$enumeration->add(new PiBX_AST_EnumerationValue('magazine', 'string'));
$enumeration->add(new PiBX_AST_EnumerationValue('novel', 'string'));
$enumeration->add(new PiBX_AST_EnumerationValue('fiction', 'string'));
$enumeration->add(new PiBX_AST_EnumerationValue('other', 'string'));
$expectedType3 = new PiBX_AST_Type('bookCategoryType');
$expectedType3->add($enumeration);
$expectedTypeList[] = $expectedType3;
$schema = simplexml_load_string($data);
$parser = new PiBX_CodeGen_SchemaParser();
$parser->setSchema($schema);
$tree = $parser->parse();
$creator = new PiBX_CodeGen_ASTCreator(new PiBX_CodeGen_TypeUsage());
$tree->accept($creator);
$typeList = $creator->getTypeList();
$this->assertEquals(3, count($typeList));
$this->assertEquals($expectedType1, $typeList[0]);
$this->assertEquals($expectedType2, $typeList[1]);
$this->assertEquals($expectedType3, $typeList[2]);
}
private function marshalStructure($object, PiBX_AST_Structure $ast)
{
$lastNode = $this->parentDomNode;
if ($ast->getStructureType() === PiBX_AST_StructureType::CHOICE()) {
$this->parentDomNode = $this->currentDomNode;
if ($ast->hasChildren()) {
$childrenCount = $ast->countChildren();
$currentChoice = null;
for ($i = 0; $i < $childrenCount; $i++) {
$child = $ast->get($i);
$testMethod = $child->getTestMethod();
if ($object->{$testMethod}()) {
$currentChoice = $child;
break;
}
}
$this->marshalObject($object, $currentChoice);
}
} elseif ($ast->getStructureType() === PiBX_AST_StructureType::ORDERED()) {
throw new RuntimeException('Currently not supported.');
} else {
$this->parentDomNode->removeChild($this->currentDomNode);
// when a structure has no type, it is a referenced complex-type
// used as a type-attribute
$getter = $ast->getGetMethod();
$obj = $object->{$getter}();
$classname = $this->binding->getClassnameForName($ast->getName());
$structureAst = $this->binding->getASTForClass($classname);
$this->marshalObject($obj, $structureAst);
}
$this->parentDomNode = $lastNode;
}
