/// <summary>
/// Find GUIDs and string-substitution tokens within a string and return tagged spans for all
/// </summary>
/// <param name="tokenType">type of the original token for the span</param>
/// <param name="startPos">first character index</param>
/// <param name="endPos">last character index</param>
/// <param name="text">entire virtual line</param>
/// <returns>unordered enumeration of tokens</returns>
private IEnumerable <PkgDefTokenSpan> GetStringSpans(PkgDefLanguageTokens tokenType, int startPos, int endPos, ref string text)
{
List <PkgDefTokenSpan> tokens = new List <PkgDefTokenSpan>();
if (endPos > startPos)
{
string textToScan = text.Substring(startPos, endPos - startPos + 1);
foreach (PkgDefTokenSpan span in GetGuidTags(ref textToScan))
{
tokens.Add(span.OffsetFrom(startPos));
}
foreach (PkgDefTokenSpan span in GetTokenTags(ref textToScan))
{
tokens.Add(span.OffsetFrom(startPos));
}
tokens.Add(new PkgDefTokenSpan(GetSpanOfSubstring(startPos, endPos), tokenType));
}
return(tokens);
}
public PkgDefTokenSpan(Span span, PkgDefLanguageTokens type, string errorText = "")
{
_tokenType = type; _span = span; _errorText = errorText;
}
public PkgDefTokenSpan(Span span, string errorText = "")
{
_tokenType = PkgDefLanguageTokens.Error; _span = span; _errorText = errorText;
}
public PkgDefTokenSpan(Span span, PkgDefLanguageTokens type)
{
_tokenType = type; _span = span; _errorText = "";
}
public PkgDefTokenTag(PkgDefLanguageTokens type)
{
this.type = type;
}