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Loquacious XML builder
internal class NodeBuilder
{
private readonly XmlDocument _doc;
private readonly XmlNode _node;
public NodeBuilder(XmlDocument doc, XmlNode node)
{
_doc = doc;
_node = node;
}
public void SetAttribute(string name, string value)
{
var attribute = _doc.CreateAttribute(name);
attribute.Value = value;
_node.Attributes.Append(attribute);
}
public XmlNode AddNode(string name)
{
var newNode = _doc.CreateElement(name);
_node.AppendChild(newNode);
return newNode;
}
public void AddContent(string content)
{
_node.AppendChild(_doc.CreateTextNode(content));
}
}
public interface INode
{
void Attr(string name, string value);
void Node(string name, Action<INode> action);
void Content(string content);
}
internal class NodeImpl : INode
{
private readonly XmlDocument _doc;
private readonly NodeBuilder _nb;
public NodeImpl(XmlDocument doc, XmlNode node)
{
_doc = doc;
_nb = new NodeBuilder(doc, node);
}
public void Attr(string name, string value)
{
_nb.SetAttribute(name, value);
}
public void Node(string name, Action<INode> action)
{
action(new NodeImpl(_doc, _nb.AddNode(name)));
}
public void Content(string content)
{
_nb.AddContent(content);
}
}
public static class Xml
{
public static string Node(string name, Action<INode> action)
{
using (var stringWriter = new StringWriter())
{
var doc = new XmlDocument();
var root = new NodeBuilder(doc, doc).AddNode(name);
action(new NodeImpl(doc, root));
doc.WriteTo(new XmlTextWriter(stringWriter));
return stringWriter.ToString();
}
}
}
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