function visitElementNode(PiBX_ParseTree_Tree $tree)
{
$this->plowTypesForLevel($tree->getLevel());
$logMessage = $tree->getLevel() . str_pad(" ", $tree->getLevel()) . " element";
if ($tree->isAnonym()) {
$logMessage .= " <anonym>";
} else {
$logMessage .= " (" . $tree->getName() . ")";
}
if ($tree->getLevel() > 0) {
if ($this->currentType() instanceof PiBX_AST_Type) {
$ta = new PiBX_AST_TypeAttribute($tree->getName());
$ta->setType($tree->getType());
$schemaType = $tree->getType();
$sf = new PiBX_CodeGen_ASTStackFrame($tree->getLevel(), $ta);
array_push($this->stack, $sf);
// elements with maxOccurs "unbounded" are collections/lists
// with no parent collection element.
if ($tree->getMaxOccurs() == 'unbounded') {
$ci = new PiBX_AST_CollectionItem($tree->getName());
$ci->setType($tree->getType());
$sf = new PiBX_CodeGen_ASTStackFrame($tree->getLevel(), $ci);
array_push($this->stack, $sf);
}
} elseif ($this->currentType() instanceof PiBX_AST_Collection) {
$ci = new PiBX_AST_CollectionItem($tree->getName());
$ci->setType($tree->getType());
$sf = new PiBX_CodeGen_ASTStackFrame($tree->getLevel(), $ci);
array_push($this->stack, $sf);
} elseif ($this->currentType() instanceof PiBX_AST_Structure) {
$se = new PiBX_AST_StructureElement($tree->getName(), $tree->getType());
$sf = new PiBX_CodeGen_ASTStackFrame($tree->getLevel(), $se);
array_push($this->stack, $sf);
}
} elseif ($tree->getLevel() == 0) {
$logMessage .= " - global";
$t = new PiBX_AST_Type($tree->getName());
if ($this->countTypes() == 0) {
// the first type is the XSD-root.
$t->setAsRoot();
$t->setTargetNamespace($tree->getParent()->getTargetNamespace());
$t->setNamespaces($tree->getNamespaces());
}
$sf = new PiBX_CodeGen_ASTStackFrame(-1, $t);
array_push($this->stack, $sf);
/*
* Yes, add it two times.
* It's a limitation that exist in the current implementation
* of the TypeUsage-class.
* The concrete class (which is the root element/type of a schema)
* will not be referenced more than one time (at the definition).
* But it must not be removed in an AST optimization afterwards,
* so we just increase the usage-counter by one.
*/
$this->typeUsage->addType($tree->getName());
$this->typeUsage->addType($tree->getName());
} else {
throw new RuntimeException('invalid element state');
}
$this->lastLevel = $tree->getLevel();
$this->log($logMessage);
}
