/// <summary>
/// Converts a W3C PHP object to a corresponding string.
/// </summary>
public static string /*!*/ PhpToString(Context ctx, PhpValue arg)
{
if (arg.IsObject)
{
// Node* (XPath)
var node = arg.Object as DOMNode;
if (node != null)
{
return(node.XmlNode.Value);
}
// Node Set (XPath), Result Tree Fragment (XSLT)
DOMNodeList list = arg.Object as DOMNodeList;
if (list != null)
{
if (list.length == 0)
{
return(String.Empty);
}
return(list.item(0).XmlNode.Value);
}
}
// any other object
return(arg.ToString(ctx));
}
// TODO: Remove when IteratorToList works
private DOMNodeList QueryInternal(XmlNode contextnode, string expr, XmlNamespaceManager xmlNamespaceManager)
{
if (contextnode == null)
{
contextnode = ((XmlDocument)XPathNavigator.UnderlyingObject).DocumentElement;
}
XmlNodeList xmlList;
try
{
// We have to re-run the query in order to get access to the nodes
xmlList = contextnode.SelectNodes(expr, xmlNamespaceManager);
}
catch (Exception ex)
{
PhpException.Throw(PhpError.E_WARNING, ex.Message);
return(null);
}
var domList = new DOMNodeList();
foreach (XmlNode node in xmlList)
{
domList.AppendNode(DOMNode.Create(node));
}
return(domList);
}
/// <summary>
/// Gets all descendant elements with the matching namespace URI and local name.
/// </summary>
/// <param name="namespaceUri">The namespace URI.</param>
/// <param name="localName">The local name. Use <B>*</B> to return all elements within the element tree.</param>
/// <returns>A <see cref="DOMNodeList"/>.</returns>
public virtual DOMNodeList getElementsByTagNameNS(string namespaceUri, string localName)
{
DOMNodeList list = new DOMNodeList();
foreach (XmlNode node in XmlDocument.GetElementsByTagName(localName, namespaceUri))
{
var dom_node = DOMNode.Create(node);
if (dom_node != null)
{
list.AppendNode(dom_node);
}
}
return(list);
}
private DOMNodeList IteratorToList(XPathNodeIterator iterator)
{
DOMNodeList list = new DOMNodeList();
while (iterator.MoveNext())
{
IHasXmlNode has_node = iterator.Current as IHasXmlNode;
if (has_node != null)
{
var node = DOMNode.Create(has_node.GetNode());
if (node != null)
{
list.AppendNode(node);
}
}
}
return(list);
}
/// <summary>
/// Gets all descendant elements with the matching tag name.
/// </summary>
/// <param name="name">The tag name. Use <B>*</B> to return all elements within the element tree.</param>
/// <returns>A <see cref="DOMNodeList"/>.</returns>
public virtual DOMNodeList getElementsByTagName(string name)
{
DOMNodeList list = new DOMNodeList();
if (IsAssociated)
{
// enumerate elements in the default namespace
foreach (XmlNode node in XmlElement.GetElementsByTagName(name))
{
var dom_node = DOMNode.Create(node);
if (dom_node != null)
{
list.AppendNode(dom_node);
}
}
// enumerate all namespaces
XPathNavigator navigator = XmlElement.CreateNavigator();
XPathNodeIterator iterator = navigator.Select("//namespace::*[not(. = ../../namespace::*)]");
while (iterator.MoveNext())
{
string prefix = iterator.Current.Name;
if (!String.IsNullOrEmpty(prefix) && prefix != "xml")
{
// enumerate elements in this namespace
foreach (XmlNode node in XmlElement.GetElementsByTagName(name, iterator.Current.Value))
{
var dom_node = DOMNode.Create(node);
if (dom_node != null)
{
list.AppendNode(dom_node);
}
}
}
}
}
return(list);
}
/// <summary>
/// Converts a W3C PHP object to the corresponding W3C .NET object.
/// </summary>
public static object /*!*/ PhpToDotNet(Context ctx, PhpValue arg)
{
if (arg.IsNull)
{
return(String.Empty);
}
// Node* (XPath)
if (arg.IsObject)
{
var node = arg.Object as DOMNode;
if (node != null)
{
return(node.XmlNode.CreateNavigator());
}
// Node Set (XPath), Result Tree Fragment (XSLT)
DOMNodeList list = arg.Object as DOMNodeList;
if (list != null)
{
XPathNavigator[] navs = new XPathNavigator[list.length];
for (int i = 0; i < list.length; i++)
{
navs[i] = list.item(i).XmlNode.CreateNavigator();
}
return(navs);
}
// any other object
return(arg.ToString(ctx));
}
// TODO: Handle PhpArray separately?
// String (XPath), Boolean (XPath), Number (XPath)
return(arg.ToClr());
}
