/// <inheritdoc />
public object GetAdapter(Type type, IXPathNavigable xpathNavigable)
{
var xpath = new XPathAdapter(xpathNavigable);
return(GetAdapter(type, new Hashtable(), new DictionaryDescriptor()
.AddBehavior(XPathBehavior.Instance).AddBehavior(xpath)));
}
private object ReadComponent(XPathResult result, bool ifExists, IDictionaryAdapter dictionaryAdapter)
{
XPathNavigator source;
if (result.GetNavigator(false, true, out source) == false || (source == null && ifExists))
{
return(null);
}
XPathAdapter xpathAdapter;
var elementType = result.Type;
if (source != null)
{
if (result.XmlMeta != null)
{
elementType = result.XmlMeta.Type;
}
else
{
var xmlType = Context.GetXmlType(source);
elementType = dictionaryAdapter.GetXmlSubclass(xmlType, elementType) ?? elementType;
}
xpathAdapter = new XPathAdapter(source, this);
}
else
{
Func <XPathNavigator> createSource = () => result.GetNavigator(true);
xpathAdapter = new XPathAdapter(createSource, this);
}
var component = Create(dictionaryAdapter, elementType, null, xpathAdapter);
if (result.Property != null)
{
dictionaryAdapter.This.ExtendedProperties[result.Property.PropertyName] = component;
}
return(component);
}
private object ReadComponent(XPathResult result, bool ifExists, IDictionaryAdapter dictionaryAdapter)
{
XPathNavigator source;
if (result.Property != null)
{
ifExists = ifExists || dictionaryAdapter.Meta.Type.IsAssignableFrom(result.Property.PropertyType);
}
if (result.GetNavigator(false, true, out source) == false || (source == null && ifExists))
{
return(null);
}
XPathAdapter xpathAdapter;
var elementType = result.Type;
if (source != null)
{
if (result.XmlMeta != null)
{
elementType = result.XmlMeta.Type;
}
else
{
var xmlType = GetEffectiveContext(dictionaryAdapter).GetXmlType(source);
elementType = dictionaryAdapter.GetXmlSubclass(xmlType, elementType) ?? elementType;
}
xpathAdapter = new XPathAdapter(source, this);
}
else
{
Func <XPathNavigator> createSource = () => result.GetNavigator(true);
xpathAdapter = new XPathAdapter(createSource, this);
}
return(Create(dictionaryAdapter, elementType, null, xpathAdapter));
}
protected XPathAdapter(XPathNavigator source, XPathAdapter parent)
{
Parent = parent;
Context = parent.Context.CreateChild(null);
root = source.Clone();
}
private object ReadComponent(XPathResult result, bool ifExists, IDictionaryAdapter dictionaryAdapter)
{
XPathNavigator source;
if (result.Property != null)
ifExists = ifExists || dictionaryAdapter.Meta.Type.IsAssignableFrom(result.Property.PropertyType);
if (result.GetNavigator(false, true, out source) == false || (source == null && ifExists))
{
return null;
}
XPathAdapter xpathAdapter;
var elementType = result.Type;
if (source != null)
{
if (result.XmlMeta != null)
{
elementType = result.XmlMeta.Type;
}
else
{
var xmlType = GetEffectiveContext(dictionaryAdapter).GetXmlType(source);
elementType = dictionaryAdapter.GetXmlSubclass(xmlType, elementType) ?? elementType;
}
xpathAdapter = new XPathAdapter(source, this);
}
else
{
Func<XPathNavigator> createSource = () => result.GetNavigator(true);
xpathAdapter = new XPathAdapter(createSource, this);
}
return Create(dictionaryAdapter, elementType, null, xpathAdapter);
}
private static object Create(IDictionaryAdapter adapter, Type type, IDictionary dictionary, XPathAdapter xpathAdapter)
{
dictionary = dictionary ?? new Hashtable();
var descriptor = new DictionaryDescriptor(adapter.Meta.Behaviors);
adapter.This.Descriptor.CopyBehaviors(descriptor);
descriptor.AddBehavior(xpathAdapter);
return adapter.This.Factory.GetAdapter(type, dictionary, descriptor);
}
private object ReadComponent(XPathResult result, bool ifExists, IDictionaryAdapter dictionaryAdapter)
{
XPathAdapter xpathAdapter;
var source = result.GetNavigator(false);
if (source == null && ifExists) return null;
var elementType = result.Type;
if (source != null)
{
if (result.XmlMeta != null)
{
elementType = result.XmlMeta.Type;
}
else
{
var xmlType = Context.GetXmlType(source);
elementType = dictionaryAdapter.GetXmlSubclass(xmlType, elementType) ?? elementType;
}
xpathAdapter = new XPathAdapter(source, this);
}
else
{
Func<XPathNavigator> createSource = () => result.GetNavigator(true);
xpathAdapter = new XPathAdapter(createSource, this);
}
var component = Create(dictionaryAdapter, elementType, null, xpathAdapter);
if (result.Property != null)
dictionaryAdapter.This.ExtendedProperties[result.Property.PropertyName] = component;
return component;
}
protected XPathAdapter(Func <XPathNavigator> createSource, XPathAdapter parent)
{
Parent = parent;
Context = parent.Context.CreateChild(null);
createRoot = createSource;
}
public static bool IsPropertyDefined(string propertyName, IDictionaryAdapter dictionaryAdapter, XPathAdapter xpath)
{
var key = dictionaryAdapter.GetKey(propertyName);
if (key == null)
{
return(false);
}
var property = dictionaryAdapter.Meta.Properties[propertyName];
var result = xpath.EvaluateProperty(key, property, dictionaryAdapter);
return(result.GetNavigator(false) != null);
}
bool IDictionaryCopyStrategy.Copy(IDictionaryAdapter source, IDictionaryAdapter target, ref Func <PropertyDescriptor, bool> selector)
{
selector = selector ?? (property => XPathAdapter.IsPropertyDefined(property.PropertyName, source, this));
return(false);
}
protected XPathAdapter(XPathNavigator source, XPathAdapter parent)
{
Parent = parent;
Context = parent.Context.CreateChild(null);
root = source.Clone();
}
private static object Create(IDictionaryAdapter adapter, Type type, IDictionary dictionary, XPathAdapter xpathAdapter)
{
dictionary = dictionary ?? new Hashtable();
var descriptor = new DictionaryDescriptor();
adapter.This.Descriptor.CopyBehaviors(descriptor, b => b is XPathAdapter == false);
descriptor.AddBehavior(xpathAdapter);
return(adapter.This.Factory.GetAdapter(type, dictionary, descriptor));
}
protected XPathAdapter(Func<XPathNavigator> createSource, XPathAdapter parent)
{
this.parent = parent;
context = parent.context.CreateChild();
createRoot = createSource;
}
protected XPathAdapter(XPathNavigator source, XPathAdapter parent)
{
this.parent = parent;
context = parent.context.CreateChild();
root = source.Clone();
}
private object ReadComponent(XPathResult result, bool ifExists, IDictionaryAdapter dictionaryAdapter)
{
XPathAdapter adapter;
Func<XPathNavigator> createSource = null;
var source = result.GetNavigator(false);
if (source == null && ifExists) return null;
var elementType = result.Type;
if (source != null)
{
if (result.XmlMeta != null)
{
elementType = result.XmlMeta.Type;
}
else
{
var xmlType = context.GetXmlType(source);
elementType = dictionaryAdapter.GetXmlSubclass(xmlType, elementType) ?? elementType;
}
adapter = new XPathAdapter(source, this);
}
else
{
if (createSource == null)
{
createSource = () => result.GetNavigator(true);
}
adapter = new XPathAdapter(createSource, this);
}
var component = dictionaryAdapter.This.Factory.GetAdapter(elementType, new Hashtable(),
new DictionaryDescriptor().AddBehavior(XPathBehavior.Instance, adapter));
if (result.Property != null)
{
dictionaryAdapter.This.ExtendedProperties[result.Property.PropertyName] = component;
}
return component;
}
protected XPathAdapter(Func<XPathNavigator> createSource, XPathAdapter parent)
{
Parent = parent;
Context = parent.Context.CreateChild(null);
createRoot = createSource;
}
public static bool IsPropertyDefined(string propertyName, IDictionaryAdapter dictionaryAdapter, XPathAdapter xpath)
{
var key = dictionaryAdapter.GetKey(propertyName);
if (key == null) return false;
var property = dictionaryAdapter.This.Properties[propertyName];
var result = xpath.EvaluateProperty(key, property, dictionaryAdapter);
return result.GetNavigator(false) != null;
}
public static bool IsPropertyDefined(string propertyName, IDictionaryAdapter dictionaryAdapter)
{
var xpath = XPathAdapter.For(dictionaryAdapter);
return((xpath != null) ? IsPropertyDefined(propertyName, dictionaryAdapter, xpath) : false);
}