/// <summary>
/// Try to get a message value for the base Exception constructor. If any of the arguments are invalid then return null and allow the constructor
/// above to throw an ArgumentException when it identifies them. This should combine the brokenRuleException's message with the filename of the
/// source file (if the content is Combined or Compiled then indicate this, likewise if it's identified as a Resets or Theme sheet). If the
/// file is not the result of Combined or Compiled content then also include the line number which was identified as invalid (it won't
/// mean anything for Combined or Compiled content, so don't bother for those).
/// </summary>
private static string TryToGetMessage(
BrokenRuleEncounteredException brokenRuleException,
StyleSheetTypeOptions styleSheetType,
string relativePath)
{
if ((brokenRuleException == null) || !Enum.IsDefined(typeof(StyleSheetTypeOptions), styleSheetType) || string.IsNullOrWhiteSpace(relativePath))
{
return(null);
}
var filename = relativePath;
if (styleSheetType != StyleSheetTypeOptions.Other)
{
filename += "[" + styleSheetType + "]";
}
var message = brokenRuleException.Message + " in " + filename;
if ((styleSheetType != StyleSheetTypeOptions.Combined) && (styleSheetType != StyleSheetTypeOptions.Compiled))
{
// SourceLineIndex is zero-based so add one to show line number
message += " (line " + (brokenRuleException.Fragment.SourceLineIndex + 1) + ")";
}
return(message);
}
public BrokenRuleEncounteredInFileException(
BrokenRuleEncounteredException brokenRuleException,
StyleSheetTypeOptions styleSheetType,
string relativePath) : base(TryToGetMessage(brokenRuleException, styleSheetType, relativePath) ?? "")
{
if (brokenRuleException == null)
{
throw new ArgumentNullException("brokenRuleException");
}
if (!Enum.IsDefined(typeof(StyleSheetTypeOptions), styleSheetType))
{
throw new ArgumentOutOfRangeException("styleSheetType");
}
if (string.IsNullOrWhiteSpace(relativePath))
{
throw new ArgumentException("Null/blank relativePath specified");
}
BrokenRuleException = brokenRuleException;
StyleSheetType = styleSheetType;
RelativePath = relativePath;
}
