68 lines
2.0 KiB
C#
68 lines
2.0 KiB
C#
/*--------------------------------------------------------------------------
|
|
* https://www.captechconsulting.com/blog/kevin-hazzard/fluent-xml-parsing-using-cs-dynamic-type-part-1
|
|
* 博客园网友 夜の魔王 友情借用此代码，用于微信开发。
|
|
* http://www.cnblogs.com/deepleo/
|
|
*--------------------------------------------------------------------------*/
|
|
using System;
|
|
using System.Collections.Generic;
|
|
using System.Linq;
|
|
using System.Dynamic;
|
|
using System.Xml.Linq;
|
|
using System.Collections;
|
|
|
|
public class DynamicXml : DynamicObject, IEnumerable
|
|
{
|
|
private readonly List<XElement> _elements;
|
|
|
|
public DynamicXml(string text)
|
|
{
|
|
var doc = XDocument.Parse(text);
|
|
_elements = new List<XElement> { doc.Root };
|
|
}
|
|
|
|
protected DynamicXml(XElement element)
|
|
{
|
|
_elements = new List<XElement> { element };
|
|
}
|
|
|
|
protected DynamicXml(IEnumerable<XElement> elements)
|
|
{
|
|
_elements = new List<XElement>(elements);
|
|
}
|
|
|
|
public override bool TryGetMember(GetMemberBinder binder, out object result)
|
|
{
|
|
result = null;
|
|
if (binder.Name == "Value")
|
|
result = _elements[0].Value;
|
|
else if (binder.Name == "Count")
|
|
result = _elements.Count;
|
|
else
|
|
{
|
|
var attr = _elements[0].Attribute(XName.Get(binder.Name));
|
|
if (attr != null)
|
|
result = attr;
|
|
else
|
|
{
|
|
var items = _elements.Descendants(XName.Get(binder.Name));
|
|
if (items == null || items.Count() == 0) return false;
|
|
result = new DynamicXml(items);
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
public override bool TryGetIndex(GetIndexBinder binder, object[] indexes, out object result)
|
|
{
|
|
int ndx = (int)indexes[0];
|
|
result = new DynamicXml(_elements[ndx]);
|
|
return true;
|
|
}
|
|
|
|
public IEnumerator GetEnumerator()
|
|
{
|
|
foreach (var element in _elements)
|
|
yield return new DynamicXml(element);
|
|
}
|
|
}
|