U8XmlParser

/* ------- your_file.xml ----------

<?xml version="1.0" encoding="UTF-8">
<SomeData>
    <Data aa="20">bbb</Data>
    <Data aa="30">ccc</Data>
</SomeData>

----------------------------------- */

// using System.IO;
// using U8Xml;

using (Stream stream = File.OpenRead("your_file.xml"))
using (XmlObject xml = XmlParser.Parse(stream))
{
    XmlNode root = xml.Root;
    string rootName = root.Name.ToString();         // "SomeData"

    // node
    XmlNode child = root.Children.First();
    string childName = child.Name.ToString();       // "Data"
    string innerText = child.InnerText.ToString();  // "bbb"
    
    // attribute
    XmlAttribute attr = child.Attributes.First();
    string attrName = attr.Name.ToString();         // "aa"
    int attrValue = attr.Value.ToInt32();           // 20

    // children nodes enumeration
    foreach(XmlNode node in root.Children)
    {
        // do something
    }
}
// *** DO NOT use any object from the parser. ***
// XmlObject, XmlNode, RawString, etc... are no longer accessible here.
// Their all memories are released when XmlObject.Dispose() called !!
// They must be evaluated and converted to string, int, and so on.

/* ------- your_file.xml ----------

<?xml version="1.0" encoding="UTF-8">
<SomeData>
    &lt;foo&gt;
</SomeData>

----------------------------------- */

// using System.IO;
// using U8Xml;

using (Stream stream = File.OpenRead("your_file.xml"))
using (XmlObject xml = XmlParser.Parse(stream))
{
    RawString innerText = xml.Root.InnerText;   // "&lt;foo&gt;"
    XmlEntityTable entities = xml.EntityTable;
    string resolvedText = entities.ResolveToString(innerText);  // "<foo>"
}

$ cd src/Benchmark
$ dotnet run -c Release -f net5.0