private string CheckAttribute(XElement element,
string attributeName,
string defaultValue,
Func <string, bool> isGoodValue,
DiagnosticDescriptor diagnosticDescriptor,
XElement lastFoundElement,
AdditionalText file,
CompilationAnalysisContext context)
{
var attributeValue = element?.Attribute(attributeName);
var value = attributeValue?.Value ?? defaultValue;
var v = value.Trim();
if (isGoodValue(v))
{
return(v);
}
var lineInfo = (IXmlLineInfo)lastFoundElement;
int lineNumber = lastFoundElement != null && lineInfo.HasLineInfo() ? lineInfo.LineNumber : 1;
context.ReportDiagnostic(ExternalDiagnostic.Create(diagnosticDescriptor,
file.Path,
lineNumber,
lastFoundElement.ToStringStartElement()));
return(v);
}
public void AnalyzeFile(AdditionalText file, CompilationAnalysisContext context)
{
var text = file.GetText();
var content = text.ToString();
foreach (Match match in Regex.Matches(content))
{
context.ReportDiagnostic(ExternalDiagnostic.Create(RuleValidateRequest,
file.Path,
text.Lines.GetLinePosition(match.Index).Line + 1,
match.Value));
}
}