public XmlDiff(XmlInput control, XmlInput test,
DiffConfiguration diffConfiguration)
{
_diffConfiguration = diffConfiguration;
_controlReader = CreateXmlReader(control);
if (control.Equals(test))
{
_testReader = _controlReader;
}
else
{
_testReader = CreateXmlReader(test);
}
}
public XmlDiff(XmlInput control, XmlInput test,
DiffConfiguration diffConfiguration)
{
_diffConfiguration = diffConfiguration;
_controlReader = CreateXmlReader(control);
if (control.Equals(test))
{
_testReader = _controlReader;
}
else
{
_testReader = CreateXmlReader(test);
}
}
private XmlReader CreateXmlReader(XmlInput forInput)
{
XmlReader xmlReader = forInput.CreateXmlReader();
if (xmlReader is XmlTextReader)
{
((XmlTextReader)xmlReader).WhitespaceHandling = _diffConfiguration.WhitespaceHandling;
}
if (_diffConfiguration.UseValidatingParser)
{
#pragma warning disable 612,618
XmlValidatingReader validatingReader = new XmlValidatingReader(xmlReader);
#pragma warning restore 612,618
return(validatingReader);
}
return(xmlReader);
}
public XmlDiff(XmlInput control, XmlInput test)
: this(control, test, new DiffConfiguration())
{
}
public static bool AreXmlElementsEqual(XmlInput ours, XmlInput theirs)
{
// Must use 'config', or whitespace only differences will make the elements different.
// cf. diffing changeset 240 and 241 in the Tok Pisin project for such whitespace differences.
var config = new DiffConfiguration(WhitespaceHandling.None);
var diff = new XmlDiff(ours, theirs, config);
var diffResult = diff.Compare();
return (diffResult == null || diffResult.Difference == null || !diffResult.Difference.MajorDifference);
}
private void RunLoopClicked(object sender, EventArgs e)
{
var sb = new StringBuilder();
const string data = "<element />";
var bytesTimer = new Stopwatch();
var ourBytes = Encoding.UTF8.GetBytes(data);
var theirBytes = Encoding.UTF8.GetBytes(data);
bytesTimer.Start();
for (var i = 0; i < 100000; ++i)
{
XmlUtilities.AreXmlElementsEqual(ourBytes, theirBytes);
}
bytesTimer.Stop();
sb.AppendFormat("Time to check (as bytes): {0}ms; {1}ticks.", bytesTimer.ElapsedMilliseconds, bytesTimer.ElapsedTicks);
sb.AppendLine();
var stringTimer = new Stopwatch();
stringTimer.Start();
for (var i = 0; i < 100000; ++i)
{
XmlUtilities.AreXmlElementsEqual(data, data);
}
stringTimer.Stop();
sb.AppendFormat("Time to check (as string): {0}ms; {1}ticks.", stringTimer.ElapsedMilliseconds, stringTimer.ElapsedTicks);
sb.AppendLine();
var doc = new XmlDocument();
var ourNode = XmlUtilities.GetDocumentNodeFromRawXml(data, doc);
var theirNode = XmlUtilities.GetDocumentNodeFromRawXml(data, doc);
var xmlNodeTimer = new Stopwatch();
xmlNodeTimer.Start();
for (var i = 0; i < 100000; ++i)
{
XmlUtilities.AreXmlElementsEqual(ourNode, theirNode);
}
xmlNodeTimer.Stop();
sb.AppendFormat("Time to check (as XmlNode): {0}ms; {1}ticks.", xmlNodeTimer.ElapsedMilliseconds, xmlNodeTimer.ElapsedTicks);
sb.AppendLine();
var ourInput = new XmlInput(data);
var theirInput = new XmlInput(data);
var xmlInputTimer = new Stopwatch();
xmlInputTimer.Start();
for (var i = 0; i < 100000; ++i)
{
XmlUtilities.AreXmlElementsEqual(ourInput, theirInput);
}
xmlInputTimer.Stop();
sb.AppendFormat("Time to check (as XmlInput): {0}ms; {1}ticks.", xmlInputTimer.ElapsedMilliseconds, xmlInputTimer.ElapsedTicks);
MessageBox.Show(sb.ToString());
}
public XmlDiff(XmlInput control, XmlInput test)
: this(control, test, new DiffConfiguration())
{
}
private XmlReader CreateXmlReader(XmlInput forInput)
{
XmlReader xmlReader = forInput.CreateXmlReader();
if (xmlReader is XmlTextReader)
{
((XmlTextReader)xmlReader).WhitespaceHandling = _diffConfiguration.WhitespaceHandling;
}
if (_diffConfiguration.UseValidatingParser)
{
#pragma warning disable 612,618
XmlValidatingReader validatingReader = new XmlValidatingReader(xmlReader);
#pragma warning restore 612,618
return validatingReader;
}
return xmlReader;
}