private static void PopulateElement(XmlReader reader, MyXmlElement into)
{
into.Name = reader.Name;
int attrCount = reader.AttributeCount;
for (int i = 0; i < attrCount; i++)
{
reader.MoveToNextAttribute();
into.Attributes.Add(new MyXmlAttribute()
{
Name = reader.Name,
Value = reader.Value
});
}
}
private static void AssertXmlElement(MyXmlElement expected, MyXmlElement actual)
{
// If both null, good, done
if (expected == null && actual == null)
return;
// If one is null and other isn't, bad
if (expected == null)
Assert.Fail("Expected XML element was null, while actual was initialized");
if (actual == null)
Assert.Fail("Actual XML element was null, while expected was initialized");
// If name doesn't match
Assert.AreEqual(expected.Name, actual.Name, "Element names did not match.");
// If attribute count doesn't match
Assert.AreEqual(expected.Attributes.Count, actual.Attributes.Count, $"Different number of attributes on <{expected.Name}>\n\nExpected: " + AttributesToString(expected.Attributes) + "\nActual: " + AttributesToString(actual.Attributes));
// Make sure attributes match (order does NOT matter)
foreach (MyXmlAttribute expectedAttr in expected.Attributes)
{
var actualAttr = actual.Attributes.FirstOrDefault(i => i.Name.Equals(expectedAttr.Name));
// If didn't find the attribute
if (actualAttr == null)
Assert.Fail("Expected element to have attribute " + expectedAttr.Name + " but it didn't.");
// Make sure value matches
Assert.AreEqual(expectedAttr.Value, actualAttr.Value, $@"Attribute values for ""{expectedAttr.Name}"" didn't match.");
}
// Make sure children elements match (order DOES matter)
// Obtain the child elements (ignore any comments, w
MyXmlElement[] expectedChildren = expected.ChildNodes.ToArray();
MyXmlElement[] actualChildren = actual.ChildNodes.ToArray();
Assert.AreEqual(expectedChildren.Length, actualChildren.Length, "Number of child elements did not match.");
// Compare elements
for (int i = 0; i < expectedChildren.Length; i++)
{
AssertXmlElement(expectedChildren[i], actualChildren[i]);
}
}
private static void ParseXml(XmlReader reader, MyXmlElement intoElement)
{
if (!reader.Read())
return;
while (true)
{
switch (reader.NodeType)
{
// Found child
case XmlNodeType.Element:
case XmlNodeType.Text:
MyXmlElement child = new MyXmlElement();
PopulateElement(reader, child);
ParseXml(reader, child);
intoElement.ChildNodes.Add(child);
break;
// All done
case XmlNodeType.EndElement:
return;
}
if (!reader.Read())
return;
}
}
private static void PopulateElement(XmlReader reader, MyXmlElement into)
{
into.Name = reader.Name;
int attrCount = reader.AttributeCount;
for (int i = 0; i < attrCount; i++)
{
reader.MoveToNextAttribute();
into.Attributes.Add(new MyXmlAttribute()
{
Name = reader.Name,
Value = reader.Value
});
}
}
private static MyXmlElement ParseXml(string xml)
{
XmlReader reader = XmlReader.Create(new StringReader(xml));
MyXmlElement documentElement = new MyXmlElement();
reader.Read();
while (true)
{
if (reader.ReadState == ReadState.EndOfFile)
break;
if (reader.ReadState == ReadState.Error)
throw new Exception("ReadState was Error");
if (reader.NodeType == XmlNodeType.Element)
{
PopulateElement(reader, documentElement);
ParseXml(reader, documentElement);
break;
}
reader.Read();
}
return documentElement;
}
