/// <summary>
/// Validates the XML against the schema.
/// </summary>
/// <returns><c>true</c> if the XML is valid; <c>false</c> otherwise.</returns>
public bool ValidateXml()
{
m_tmrValidator.Stop();
IDocument docDocument = ActiveTextAreaControl.TextArea.Document;
docDocument.MarkerStrategy.RemoveAll(x => { return(x.TextMarkerType == TextMarkerType.WaveLine); });
m_booMalformedXml = false;
if (docDocument.TextLength == 0)
{
return(true);
}
XmlParser.TagStack stkBadTags = XmlParser.ParseTags(docDocument, docDocument.TotalNumberOfLines - 1, null, HighlightMalformedTag);
//this deals with extra tags at beginning of file
if ((stkBadTags.Count > 0) || m_booMalformedXml)
{
while (stkBadTags.Count > 0)
{
XmlParser.TagStack.TagPosition tpsTag = stkBadTags.Pop();
TextLocation tlcStart = new TextLocation(tpsTag.Column, tpsTag.LineNumber);
TextLocation tlcEnd = new TextLocation(tpsTag.Column + tpsTag.Name.Length, tpsTag.LineNumber);
HighlightMalformedTag(docDocument, tpsTag.Name, tlcStart, tlcEnd);
}
return(false);
}
Int32 intBadLineNum = Int32.MaxValue;
using (XmlReader xrdValidator = XmlReader.Create(new StringReader(this.Text), m_xrsSettings))
{
try
{
while (xrdValidator.Read())
{
;
}
if (m_booMalformedXml)
{
return(false);
}
}
catch (XmlException err2)
{
intBadLineNum = err2.LineNumber;
HighlightValidationErrors(err2.Message, new TextLocation(err2.LinePosition - 1, err2.LineNumber - 1));
}
finally
{
xrdValidator.Close();
}
}
for (Int32 i = intBadLineNum; i < docDocument.TotalNumberOfLines; i++)
{
string strLine = docDocument.GetText(docDocument.GetLineSegment(i));
Int32 intLineNum = i;
Int32 intLastOpenPos = strLine.LastIndexOf('<');
if (intLastOpenPos < 0)
{
continue;
}
Int32 intLastClosePos = strLine.LastIndexOf('>');
if ((intLastClosePos > -1) && (intLastOpenPos > intLastClosePos))
{
string strNextLine = null;
StringBuilder stbLines = new StringBuilder(strLine);
//there is an open tag on this line - read lines until it is closed.
for (; i < docDocument.TotalNumberOfLines; i++)
{
strNextLine = docDocument.GetText(docDocument.GetLineSegment(i));
intLastClosePos = strLine.LastIndexOf('>');
stbLines.Append(strNextLine);
if (intLastClosePos < 0)
{
i--;
break;
}
}
strLine = stbLines.ToString();
}
MatchCollection mclLineTags = rgxTagContents.Matches(strLine);
foreach (Match mtcTag in mclLineTags)
{
string strTag = mtcTag.Groups[1].Value.Trim();
if (strTag.StartsWith("/"))
{
HighlightValidationErrors("Unexpected end tag.", new TextLocation(mtcTag.Groups[1].Index + 1, i));
}
else
{
HighlightValidationErrors("Invalid tag.", new TextLocation(mtcTag.Groups[1].Index, i));
}
}
}
return(intBadLineNum == Int32.MaxValue);
}
