// values
public static string Value(this xElement element)
{
if (element == null)
{
return(null);
}
return(element.Value);
}
// names
public static string Name(this xElement element)
{
if (element == null)
{
return(null);
}
return(element.Name);
}
internal static T Convert <T>(xElement element, TryParse <T> parser, T defaultValue)
{
T value;
if (element != null && parser(element.Value, out value))
{
return(value);
}
return(defaultValue);
}
public static xAttributes Attributes(this xElement element)
{
if (element == null)
{
return(sEmptyAttributes);
}
var attributes = element.XElement.Attributes();
return(new xAttributes(attributes.Select(i => new xAttribute(element._Document, element, i))));
}
public static TEnum AsEnum <TEnum>(this xElement element, TEnum defaultValue)
where TEnum : struct
{
TEnum value;
if (element != null && Enum.TryParse(element.Value, true, out value))
{
return(value);
}
return(defaultValue);
}
public static xAttributes Attributes(this xElement element, string name)
{
aError.CheckNull(name, "name");
if (element == null)
{
return(sEmptyAttributes);
}
var attributes = element.XElement.Attributes(name);
return(new xAttributes(attributes.Select(i => new xAttribute(element._Document, element, i))));
}
// attributes
public static xAttribute Attribute(this xElement element, string name)
{
if (element == null)
{
return(null);
}
if (!element.HasAttributes)
{
return(null);
}
var attribute = element.XElement.Attribute(name);
if (attribute == null)
{
return(null);
}
return(new xAttribute(element._Document, element, attribute));
}
internal xObject(xDocument document, xElement parent)
{
mDocument = document;
mParent = parent;
}
internal xElement(xDocument document, xElement parent, XElement element)
: base(document, parent, element)
{
mElement = element;
}
// explicit casts
public static TEnum AsEnum <TEnum>(this xElement element)
where TEnum : struct
{
return(AsEnum(element, default(TEnum)));
}
internal xAttribute(xDocument document, xElement parent, XAttribute attribute)
: base(document, parent)
{
aError.CheckNull(attribute, "attribute");
mAttribute = attribute;
}