C# 带XDocument的xml上的最小子树
我有需要使用XDocument处理的xml文档C# 带XDocument的xml上的最小子树,c#,xml,linq-to-xml,spanning-tree,C#,Xml,Linq To Xml,Spanning Tree,我有需要使用XDocument处理的xml文档 <elem c="98500000"> <elem c="98510000"> <elem c="98511000"/> <elem c="98512000"/> <elem c="98513000"> <elem c="98513100"/> <elem c="98513200"/>
<elem c="98500000">
<elem c="98510000">
<elem c="98511000"/>
<elem c="98512000"/>
<elem c="98513000">
<elem c="98513100"/>
<elem c="98513200"/>
<elem c="98513300"/>
<elem c="98513310"/>
</elem>
<elem c="98514000"/>
</elem>
</elem>
我尝试通过所选节点属性获取最小子树,例如98512000、98513300、98514000:
<elem c="98500000">
<elem c="98510000">
<elem c="98512000"/>
<elem c="98513000">
<elem c="98513300"/>
</elem>
<elem c="98514000"/>
</elem>
</elem>
给定所需的
c
值列表,您可以删除c
属性值不在列表中且列表中没有子元素具有c
属性值的元素:
var doc = XDocument.Parse("your XML document string here");
var list = new List<string>(){"98512000", "98513300", "98514000"};
doc.Descendants()
// all `c` value doesn't match current element's `c` attribute value
.Where(o => list.All(c => (string)o.Attribute("c") != c)
&&
// and all descendant elements doesn't have matching `c` attribute value
o.Descendants().All(d => !list.Any(c => (string)d.Attribute("c") == c)))
.Remove();
Console.WriteLine(doc.ToString());
<elem c="98500000">
<elem c="98510000">
<elem c="98512000" />
<elem c="98513000">
<elem c="98513300" />
</elem>
<elem c="98514000" />
</elem>
</elem>