/**
* Recursive top-down parsing (depth-first) of an XSD-Schema.
*
* @param SimpleXMLElement $xml The current xml-node to parse
* @param PiBX_ParseTree_ParseTree $part Current ParseTree-node
* @param int $level Parse-tree level (current depth)
* @return void
*/
private function parseSchemaNodes(SimpleXMLElement $xml, PiBX_ParseTree_Tree $part, $level = 0)
{
$ns = $this->schemaNamespace;
foreach ($xml->children($ns, true) as $child) {
$name = (string) $child->getName();
if ($name == 'element') {
$newPart = new PiBX_ParseTree_ElementNode($child, $level);
$attributes = $child->attributes();
$type = (string) $attributes['type'];
$type = $this->getStringWithoutNamespace($type);
$this->typeUsage->addType($type);
} elseif ($name == 'simpleType') {
$newPart = new PiBX_ParseTree_SimpleTypeNode($child, $level);
} elseif ($name == 'complexType') {
$newPart = new PiBX_ParseTree_ComplexTypeNode($child, $level);
} elseif ($name == 'sequence') {
$newPart = new PiBX_ParseTree_SequenceNode($child, $level);
} elseif ($name == 'choice') {
$newPart = new PiBX_ParseTree_ChoiceNode($child, $level);
} elseif ($name == 'restriction') {
$newPart = new PiBX_ParseTree_RestrictionNode($child, $level);
} elseif ($name == 'enumeration') {
$newPart = new PiBX_ParseTree_EnumerationNode($child, $level);
} elseif ($name == 'attribute') {
$newPart = new PiBX_ParseTree_AttributeNode($child, $level);
}
$this->parseSchemaNodes($child, $newPart, $level + 1);
$part->add($newPart);
}
}
/**
* Creating an object of PiBX_CodeGen starts the code generation.
*
* A valid schema-file has to be passed.
* Options can be passed as an associative array with a value of a boolean "true".
* This way the code generation can be customized.
*
* Possible option-values are (keys of "$options"):
* - "typechecks" enables the generation of type-check code into setter methods.
*
* @param string $schemaFile
* @param array $options
*/
public function __construct($schemaFile, $options)
{
$typeUsage = new PiBX_CodeGen_TypeUsage();
// phase 1
echo "Parsing schema file '{$schemaFile}'\n";
$parser = new PiBX_CodeGen_SchemaParser($schemaFile, $typeUsage);
$parsedTree = $parser->parse();
// phase 2
echo "Creating abstract syntax tree\n";
$creator = new PiBX_CodeGen_ASTCreator($typeUsage);
$parsedTree->accept($creator);
$typeList = $creator->getTypeList();
// phase 3
print "Optimizing abstract syntax tree\n";
print " Before: " . count($typeList) . " type(s)\n";
$usages = $typeUsage->getTypeUsages();
$optimizer = new PiBX_CodeGen_ASTOptimizer($typeList, $typeUsage);
$typeList = $optimizer->optimize();
print " After: " . count($typeList) . " type(s)\n";
// phase 4
print "Creating binding.xml\n";
$b = new PiBX_Binding_Creator();
foreach ($typeList as &$type) {
$type->accept($b);
}
file_put_contents('./output/binding.xml', $b->getXml());
// phase 5
print "Generating classes to: ./output\n";
$generator = new PiBX_CodeGen_ClassGenerator();
if ($options['typechecks'] === true) {
$generator->enableTypeChecks();
}
foreach ($typeList as &$type) {
$type->accept($generator);
}
if (!is_dir('output')) {
mkdir('output');
}
foreach ($generator->getClasses() as $className => $classCode) {
$code = "<?php\n" . $classCode;
file_put_contents('output/' . $className . '.php', $code);
}
}
public function testEasyPoBinding()
{
$filepath = dirname(__FILE__) . '/../../_files/EasyPO/';
$schemaFile = $filepath . '/easypo.xsd';
$schema = simplexml_load_file($schemaFile);
$bindingFile = file_get_contents($filepath . '/binding.xml');
$typeUsage = new PiBX_CodeGen_TypeUsage();
$parser = new PiBX_CodeGen_SchemaParser($schemaFile, $typeUsage);
$parsedTree = $parser->parse();
$creator = new PiBX_CodeGen_ASTCreator($typeUsage);
$parsedTree->accept($creator);
$typeList = $creator->getTypeList();
$usages = $typeUsage->getTypeUsages();
$optimizer = new PiBX_CodeGen_ASTOptimizer($typeList, $typeUsage);
$typeList = $optimizer->optimize();
$b = new PiBX_Binding_Creator();
foreach ($typeList as &$type) {
$type->accept($b);
}
$this->assertEquals($bindingFile, $b->getXml());
}
public function testClassGenerationWithTypeChecks()
{
$filepath = dirname(__FILE__) . '/../../_files/EasyPO';
$schemaFile = $filepath . '/easypo.xsd';
$bindingFile = $filepath . '/binding.xml';
$customerFile = $filepath . '/Customer_TypeChecked.php';
$lineItemFile = $filepath . '/LineItem_TypeChecked.php';
$purchaseOrderFile = $filepath . '/PurchaseOrder_TypeChecked.php';
$shipperFile = $filepath . '/Shipper_TypeChecked.php';
$typeUsage = new PiBX_CodeGen_TypeUsage();
// most of this test-case follows the flow of PiBX_CodeGen
// phase 1
$parser = new PiBX_CodeGen_SchemaParser($schemaFile, $typeUsage);
$parsedTree = $parser->parse();
// phase 2
$creator = new PiBX_CodeGen_ASTCreator($typeUsage);
$parsedTree->accept($creator);
$typeList = $creator->getTypeList();
// phase 3
$usages = $typeUsage->getTypeUsages();
$optimizer = new PiBX_CodeGen_ASTOptimizer($typeList, $typeUsage);
$typeList = $optimizer->optimize();
// phase 4
$b = new PiBX_Binding_Creator();
foreach ($typeList as &$type) {
$type->accept($b);
}
$this->assertEquals(file_get_contents($bindingFile), $b->getXml());
// phase 5
$generator = new PiBX_CodeGen_ClassGenerator();
$generator->enableTypeChecks();
foreach ($typeList as &$type) {
$type->accept($generator);
}
$classes = $generator->getClasses();
$this->assertEquals(4, count($classes));
$this->assertEquals(file_get_contents($customerFile), "<?php\n" . $classes['Customer']);
$this->assertEquals(file_get_contents($lineItemFile), "<?php\n" . $classes['LineItem']);
$this->assertEquals(file_get_contents($purchaseOrderFile), "<?php\n" . $classes['PurchaseOrder']);
$this->assertEquals(file_get_contents($shipperFile), "<?php\n" . $classes['Shipper']);
}
public function testScenarioBooksClassesWithTypeChecks()
{
$filepath = dirname(__FILE__) . '/../_files/Books';
$schemaFile = $filepath . '/books.xsd';
$bindingFile = $filepath . '/binding.xml';
$collectionFile = $filepath . '/Collection_TypeChecked.php';
$bookTypeFile = $filepath . '/BookType_TypeChecked.php';
$typeUsage = new PiBX_CodeGen_TypeUsage();
// most of this test-case follows the flow of PiBX_CodeGen
// phase 1
$parser = new PiBX_CodeGen_SchemaParser($schemaFile, $typeUsage);
$parsedTree = $parser->parse();
// phase 2
$creator = new PiBX_CodeGen_ASTCreator($typeUsage);
$parsedTree->accept($creator);
$typeList = $creator->getTypeList();
// phase 3
$usages = $typeUsage->getTypeUsages();
$optimizer = new PiBX_CodeGen_ASTOptimizer($typeList, $typeUsage);
$typeList = $optimizer->optimize();
// phase 4
$b = new PiBX_Binding_Creator();
foreach ($typeList as &$type) {
$type->accept($b);
}
$this->assertEquals(file_get_contents($bindingFile), $b->getXml());
// phase 5
$generator = new PiBX_CodeGen_ClassGenerator();
$generator->enableTypeChecks();
foreach ($typeList as &$type) {
$type->accept($generator);
}
$classes = $generator->getClasses();
$this->assertEquals(2, count($classes));
$this->assertEquals(file_get_contents($collectionFile), "<?php\n" . $classes['Collection']);
$this->assertEquals(file_get_contents($bookTypeFile), "<?php\n" . $classes['BookType']);
}
