private async Task CleanXml(XmlCleanerContext context)
{
await Task.Run(() =>
{
foreach (var cleaner in this.Cleaners)
{
cleaner.CleanXml(context);
if (!string.IsNullOrWhiteSpace(context.ErrorMessage))
{
this.MessengerInstance.Send<DisplayApplicationStatusMessage>(new DisplayApplicationStatusMessage(context.ErrorMessage));
return;
}
}
if (context.ParsedXml != null)
{
this.MessengerInstance.Send<DisplayApplicationStatusMessage>(new DisplayApplicationStatusMessage("XML parsed correctly"));
}
else
{
this.MessengerInstance.Send<DisplayApplicationStatusMessage>(new DisplayApplicationStatusMessage("Text was not able to be parsed into XML"));
}
});
return;
}
public override void CleanXml(XmlCleanerContext context)
{
if (context.ParsedXml != null)
{
return;
}
try
{
context.ParsedXml = XElement.Parse(context.XmlToClean);
context.XmlToClean = context.ParsedXml.ToString(SaveOptions.None);
}
catch
{
try
{
context.ParsedXml = XElement.Parse(String.Format("<AddedRoot>{0}</AddedRoot>", context.XmlToClean));
context.XmlToClean = context.ParsedXml.ToString(SaveOptions.None);
}
catch (Exception e)
{
context.ErrorMessage = "Unable to parse XML, even when surrounded with a root element. " + e.Message;
}
}
}
public void CleanXml_EscapedNonEmptyXmlAttributeWithSeparateClosingTag_ShouldReplaceDoubleQuotes()
{
const string sample = "<xml attr=\"\"Test\"\" ></xml>";
const string expected = "<xml attr=\"Test\" ></xml>";
var context = new XmlCleanerContext() { XmlToClean = sample };
var sut = new VisualStudioVBScriptCleaner();
sut.CleanXml(context);
Assert.AreEqual(expected, context.XmlToClean);
}
async public Task<string> CleanXmlIfPossibleAsync(string xml)
{
if (!XmlShouldBeCleaned(xml))
return xml;
var context = new XmlCleanerContext() { XmlToClean = xml };
await CleanXml(context);
return context.XmlToClean;
}
public void CleanXml_EscapedNonEmptyXmlAttributeSurroundedBySingleQuotes_ShouldReplaceDoubleQuotes()
{
const string sample = "<xml attr='Test \"\"THE\"\" thing.' />";
const string expected = "<xml attr='Test \"THE\" thing.' />";
var context = new XmlCleanerContext() { XmlToClean = sample };
var sut = new VisualStudioVBScriptCleaner();
sut.CleanXml(context);
Assert.AreEqual(expected, context.XmlToClean);
}
public override void CleanXml(XmlCleanerContext context)
{
var firstLessThanIndex = context.XmlToClean.IndexOf('<');
if (firstLessThanIndex < 0)
return;
var lastGreaterThanIndex = context.XmlToClean.LastIndexOf('>');
if (lastGreaterThanIndex < 0)
return;
context.XmlToClean = context.XmlToClean.Substring(firstLessThanIndex, lastGreaterThanIndex - firstLessThanIndex + 1);
}
public override void CleanXml(XmlCleanerContext context)
{
var firstLessThanIndex = context.XmlToClean.IndexOf('<');
if (firstLessThanIndex < 0)
{
return;
}
var lastGreaterThanIndex = context.XmlToClean.LastIndexOf('>');
if (lastGreaterThanIndex < 0)
{
return;
}
context.XmlToClean = context.XmlToClean.Substring(firstLessThanIndex, lastGreaterThanIndex - firstLessThanIndex + 1);
}
public override void CleanXml(XmlCleanerContext context)
{
if (context.ParsedXml != null)
return;
try
{
context.ParsedXml = XElement.Parse(context.XmlToClean);
context.XmlToClean = context.ParsedXml.ToString(SaveOptions.None);
}
catch
{
try
{
context.ParsedXml = XElement.Parse(String.Format("<AddedRoot>{0}</AddedRoot>", context.XmlToClean));
context.XmlToClean = context.ParsedXml.ToString(SaveOptions.None);
}
catch (Exception e)
{
context.ErrorMessage = "Unable to parse XML, even when surrounded with a root element. " + e.Message;
}
}
}
public abstract void CleanXml(XmlCleanerContext context);
public override void CleanXml(XmlCleanerContext context)
{
context.XmlToClean = Regex.Replace(context.XmlToClean, DOUBLE_QUOTE_REGEX, Evaluator);
}
public override void CleanXml(XmlCleanerContext context)
{
context.XmlToClean = WebUtility.UrlDecode(context.XmlToClean);
}
public override void CleanXml(XmlCleanerContext context)
{
}
public override void CleanXml(XmlCleanerContext context)
{
}
public override void CleanXml(XmlCleanerContext context)
{
context.XmlToClean = context.XmlToClean.Trim();
}
public override void CleanXml(XmlCleanerContext context)
{
context.XmlToClean = context.XmlToClean.Replace(Environment.NewLine, string.Empty);
}
public override void CleanXml(XmlCleanerContext context)
{
context.XmlToClean = context.XmlToClean.Replace(Environment.NewLine, string.Empty);
}
public override void CleanXml(XmlCleanerContext context)
{
context.XmlToClean = context.XmlToClean.Replace("\\\"", "\"");
}
public void CleanXml_NonEscapedEmptyXmlAttributeWithNoWhitespaceAfterWithSeparateClosingTag_ShouldNotReplaceDoubleQuotes()
{
const string sample = "<xml attr=\"\"></xml>";
var context = new XmlCleanerContext() { XmlToClean = sample };
var sut = new VisualStudioVBScriptCleaner();
sut.CleanXml(context);
Assert.AreEqual(sample, context.XmlToClean);
}
public override void CleanXml(XmlCleanerContext context)
{
context.XmlToClean = Regex.Replace(context.XmlToClean, DOUBLE_QUOTE_REGEX, Evaluator);
}
public void CleanXml_NonEscapedEmptyXmlAttribute_ShouldNotReplaceDoubleQuotes()
{
const string sample = "<xml attr=\"\" />";
var context = new XmlCleanerContext() { XmlToClean = sample };
var sut = new VisualStudioVBScriptCleaner();
sut.CleanXml(context);
Assert.AreEqual(sample, context.XmlToClean);
}
public override void CleanXml(XmlCleanerContext context)
{
context.XmlToClean = context.XmlToClean.Trim();
}
public override void CleanXml(XmlCleanerContext context)
{
context.XmlToClean = context.XmlToClean.Replace("\\\"", "\"");
}
public abstract void CleanXml(XmlCleanerContext context);
