public object evaluate(string expr, [Optional] DOMNode context)
{
XPathNavigator navigator = GetNavigator(context);
if (navigator == null)
{
return(false);
}
object result;
try
{
result = navigator.Evaluate(expr, XmlNamespaceManager);
}
catch (Exception ex)
{
DOMException.Throw(ExceptionCode.SyntaxError, ex.Message);
return(false);
}
// the result can be bool, double, string, or iterator
XPathNodeIterator iterator = result as XPathNodeIterator;
if (iterator != null)
{
return(IteratorToList(iterator));
}
else
{
return(result);
}
}
public object setAttributeNS(string namespaceUri, string qualifiedName, string value)
{
if (!IsAssociated)
{
DOMException.Throw(ExceptionCode.DomModificationNotAllowed);
return(false);
}
// parse the qualified name
string local_name, prefix;
XmlDom.ParseQualifiedName(qualifiedName, out prefix, out local_name);
XmlAttribute attr = XmlElement.Attributes[local_name, namespaceUri];
if (attr == null)
{
attr = XmlNode.OwnerDocument.CreateAttribute(qualifiedName, namespaceUri);
XmlElement.Attributes.Append(attr);
}
else
{
attr.Prefix = prefix;
}
attr.Value = value;
return(true);
}
public object saveXML([Optional] DOMNode node)
{
XmlNode xml_node;
if (node == null)
{
xml_node = XmlNode;
}
else
{
xml_node = node.XmlNode;
if (xml_node.OwnerDocument != XmlDocument && xml_node != XmlNode)
{
DOMException.Throw(ExceptionCode.WrongDocument);
return(false);
}
}
// determine output encoding
Encoding encoding = XmlDom.GetNodeEncoding(xml_node);
using (MemoryStream stream = new MemoryStream())
{
// use a XML writer and set its Formatting proprty to Formatting.Indented
using (XmlTextWriter writer = new XmlTextWriter(stream, encoding))
{
writer.Formatting = (_formatOutput ? Formatting.Indented : Formatting.None);
xml_node.WriteTo(writer);
}
return(new PhpBytes(stream.ToArray()));
}
}
public object setAttributeNodeNS(DOMAttr attribute)
{
if (!IsAssociated)
{
DOMException.Throw(ExceptionCode.DomModificationNotAllowed);
return(false);
}
attribute.Associate(XmlElement.OwnerDocument);
if (XmlNode.OwnerDocument != attribute.XmlNode.OwnerDocument)
{
DOMException.Throw(ExceptionCode.WrongDocument);
return(null);
}
XmlAttribute attr = XmlElement.Attributes[attribute.localName, attribute.namespaceURI];
if (attr != null)
{
XmlElement.Attributes.Remove(attr);
XmlElement.Attributes.Append(attribute.XmlAttribute);
return(new DOMAttr(attr));
}
else
{
XmlElement.Attributes.Append(attribute.XmlAttribute);
return(null);
}
}
public object substringData(int offset, int count)
{
if (offset < 0 || count < 0 || offset > XmlCharacterData.Length)
{
DOMException.Throw(ExceptionCode.IndexOutOfBounds);
return(false);
}
return(XmlCharacterData.Substring(offset, count));
}
public bool deleteData(int offset, int count)
{
if (offset < 0 || count < 0 || offset > XmlCharacterData.Length)
{
DOMException.Throw(ExceptionCode.IndexOutOfBounds);
return(false);
}
XmlCharacterData.DeleteData(offset, count);
return(true);
}
public bool replaceData(int offset, int count, string arg)
{
if (offset < 0 || count < 0 || offset > length)
{
DOMException.Throw(ExceptionCode.IndexOutOfBounds);
return(false);
}
XmlCharacterData.ReplaceData(offset, count, arg);
return(true);
}
/// <summary>
/// Throws a <see cref="DOMException"/> user exception with the given code and message.
/// </summary>
/// <param name="code">The exception code.</param>
/// <param name="message">The exception message.</param>
/// <exception cref="PhpUserException"/>
internal static void Throw(ExceptionCode code, string message)
{
ScriptContext context = ScriptContext.CurrentContext;
DOMException exception = new DOMException(context, true);
exception.__construct(context, message, (int)code);
exception._code = code;
throw new PhpUserException(exception);
}
public bool insertData(int offset, string arg)
{
if (offset < 0 || offset > XmlCharacterData.Length)
{
DOMException.Throw(ExceptionCode.IndexOutOfBounds);
return(false);
}
XmlCharacterData.InsertData(offset, arg);
return(true);
}
/// <summary>
/// Performs a child-adding action with error checks.
/// </summary>
private XmlNode CheckedChildOperation(DOMNode /*!*/ newNode, DOMNode auxNode, NodeAction /*!*/ action)
{
newNode.Associate(XmlNode.OwnerDocument != null ? XmlNode.OwnerDocument : (XmlDocument)XmlNode);
// check for readonly node
if (XmlNode.IsReadOnly || (newNode.XmlNode.ParentNode != null && newNode.XmlNode.ParentNode.IsReadOnly))
{
DOMException.Throw(ExceptionCode.DomModificationNotAllowed);
return(null);
}
// check for owner document mismatch
if (XmlNode.OwnerDocument != null ?
XmlNode.OwnerDocument != newNode.XmlNode.OwnerDocument :
XmlNode != newNode.XmlNode.OwnerDocument)
{
DOMException.Throw(ExceptionCode.WrongDocument);
return(null);
}
XmlNode result;
try
{
result = action(newNode, auxNode);
}
catch (InvalidOperationException)
{
// the current node is of a type that does not allow child nodes of the type of the newNode node
// or the newNode is an ancestor of this node.
DOMException.Throw(ExceptionCode.BadHierarchy);
return(null);
}
catch (ArgumentException)
{
// check for newNode == this which System.Xml reports as ArgumentException
if (newNode.XmlNode == XmlNode)
{
DOMException.Throw(ExceptionCode.BadHierarchy);
}
else
{
// the refNode is not a child of this node
DOMException.Throw(ExceptionCode.NotFound);
}
return(null);
}
return(result);
}
public object removeAttributeNS(string namespaceUri, string localName)
{
if (!IsAssociated)
{
DOMException.Throw(ExceptionCode.DomModificationNotAllowed);
return(false);
}
XmlAttribute attr = XmlElement.Attributes[localName, namespaceUri];
if (attr != null)
{
XmlElement.Attributes.Remove(attr);
}
return(true);
}
private XPathNavigator GetNavigator(DOMNode context)
{
if (context == null)
{
return(XPathNavigator);
}
else
{
XmlNode node = context.XmlNode;
if (node.OwnerDocument != (XmlDocument)XPathNavigator.UnderlyingObject)
{
DOMException.Throw(ExceptionCode.WrongDocument);
return(null);
}
return(node.CreateNavigator());
}
}
public object setAttribute(string name, string value)
{
if (!IsAssociated)
{
DOMException.Throw(ExceptionCode.DomModificationNotAllowed);
return(false);
}
XmlAttribute attr = XmlElement.Attributes[name];
if (attr == null)
{
attr = XmlNode.OwnerDocument.CreateAttribute(name);
XmlElement.Attributes.Append(attr);
}
attr.Value = value;
return(true);
}
public object removeAttributeNode(DOMAttr attribute)
{
if (!IsAssociated)
{
DOMException.Throw(ExceptionCode.DomModificationNotAllowed);
return(false);
}
XmlAttribute attr = XmlElement.Attributes[attribute.nodeName];
if (attr == null)
{
DOMException.Throw(ExceptionCode.NotFound);
return(false);
}
XmlElement.Attributes.Remove(attr);
return(attribute);
}
public object removeChild(DOMNode oldNode)
{
// check for readonly node
if (XmlNode.IsReadOnly)
{
DOMException.Throw(ExceptionCode.DomModificationNotAllowed);
return(false);
}
try
{
XmlNode.RemoveChild(oldNode.XmlNode);
}
catch (ArgumentException)
{
DOMException.Throw(ExceptionCode.NotFound);
return(false);
}
return(oldNode);
}
public object query(string expr, [Optional] DOMNode context)
{
XPathNavigator navigator = GetNavigator(context);
if (navigator == null)
{
return(false);
}
XPathNodeIterator iterator;
try
{
iterator = navigator.Select(expr, XmlNamespaceManager);
}
catch (Exception ex)
{
DOMException.Throw(ExceptionCode.SyntaxError, ex.Message);
return(false);
}
// create the resulting node list
return(IteratorToList(iterator));
}
public static object createDocument([This] DOMImplementation instance, string namespaceUri,
string qualifiedName, [Nullable] DOMDocumentType docType)
{
XmlImplementation impl = (instance != null ? instance.XmlImplementation : new XmlImplementation());
XmlDocument doc = impl.CreateDocument();
if (docType != null)
{
if (!docType.IsAssociated)
{
docType.Associate(doc);
}
else
{
DOMException.Throw(ExceptionCode.WrongDocument);
return(false);
}
}
doc.AppendChild(docType.XmlNode);
doc.AppendChild(doc.CreateElement(qualifiedName, namespaceUri));
return(new DOMDocument(doc));
}
/// <summary>
/// Throws a <see cref="DOMException"/> user exception with the given code and message.
/// </summary>
/// <param name="code">The exception code.</param>
/// <param name="message">The exception message.</param>
/// <exception cref="PhpUserException"/>
internal static void Throw(ExceptionCode code, string message)
{
ScriptContext context = ScriptContext.CurrentContext;
DOMException exception = new DOMException(context, true);
exception.__construct(context, message, (int)code);
exception._code = code;
throw new PhpUserException(exception);
}
protected override DObject CloneObjectInternal(DTypeDesc caller, ScriptContext context, bool deepCopyFields)
{
DOMException.Throw(ExceptionCode.InvalidState);
return(null);
}
