public IEnumerable <ITagSpan <IClassificationTag> > GetTags(NormalizedSnapshotSpanCollection spans)
{
var tags = new List <ITagSpan <IClassificationTag> >();
if (spans.Count < 1)
{
return(tags);
}
var newSpanshot = spans[0].Snapshot;
if (m_Snapshot == newSpanshot)
{
return(m_Oldtags);
}
m_Snapshot = newSpanshot;
var text = new SnapshotSpan(m_Snapshot, new Span(0, m_Snapshot.Length)).GetText();
var k = 0;
while (k < text.Length) //#[] - area
{
if (text[k] == '#')
{
if (text.Length - k > 1 &&
text[k + 1] == '[' &&
text[k] == '#' &&
(k == 0 || text[k - 1] != '#'))
{
var o = k + 1;
while (o < text.Length)
{
if (text[o] == ']')
{
tags.Add(CreateTagSpan(k, 2, NfxTokenTypes.ExpressionBrace)); //#[
tags.Add(CreateTagSpan(o, 1, NfxTokenTypes.ExpressionBrace)); //]
var j = k + 2;
FindAdditionalsTokens(tags, NfxTokenTypes.KeyWord, text, j, o - j + 1);
tags.Add(CreateTagSpan(j, o - j, NfxTokenTypes.Area));
break;
}
o++;
}
}
}
if (text[k] == '@') //@[statement]
{
if (text.Length - k > 1 &&
text[k] == '@' &&
text[k + 1] == '[' &&
(k == 0 || text[k - 1] != '@'))
{
var o = k + 1;
while (o < text.Length)
{
if (text[o] == ']')
{
tags.Add(CreateTagSpan(k, 2, NfxTokenTypes.ExpressionBrace)); //#[
tags.Add(CreateTagSpan(o, 1, NfxTokenTypes.ExpressionBrace)); //]
var j = k + 2;
FindCSharpTokens(tags, text, j, o - j);
FindAdditionalsTokens(tags, NfxTokenTypes.KeyWord, text, j, o - j + 1);
tags.Add(CreateTagSpan(j, o - j, NfxTokenTypes.StatementArea));
break;
}
o++;
}
}
}
if (text[k] == '?') //Experession ?[]
{
if (text.Length - k > 1 &&
text[k + 1] == '[' &&
text[k] == '?' &&
(k == 0 || text[k - 1] != '?'))
{
var o = k + 1;
while (o < text.Length)
{
if (text[o] == ']')
{
tags.Add(CreateTagSpan(k, 2, NfxTokenTypes.ExpressionBrace)); //?[
tags.Add(CreateTagSpan(o, 1, NfxTokenTypes.ExpressionBrace)); //]
var j = k + 2;
FindCSharpTokens(tags, text, j, o - j);
FindAdditionalsTokens(tags, NfxTokenTypes.KeyWord, text, j, o - j + 1);
tags.Add(CreateTagSpan(j, o - j, NfxTokenTypes.ExpressionArea));
break;
}
o++;
}
}
}
if (text[k] == '#' && text[k] == '#' && (k == 0 || text[k - 1] != '#')) //class section
{
if (text.Length - k >= CLASS_AREA_FULL.Length &&
text.Substring(k, CLASS_AREA_FULL.Length) == CLASS_AREA_FULL) //#[class]
{
var j = k + CLASS_AREA_FULL.Length;
var o = text.IndexOf("#[", j, StringComparison.OrdinalIgnoreCase);
FindCSharpTokens(tags, text, j, o > -1 ? o - j : text.Length - j);
FindAdditionalsTokens(tags, NfxTokenTypes.KeyWord, text, j, o > -1 ? o - j : text.Length - j);
}
}
if (text[k] == '#' && text[k] == '#' && (k == 0 || text[k - 1] != '#')) //laconic config
{
if (text.Length - k >= LACONFIG_START.Length &&
text.Substring(k, LACONFIG_START.Length) == LACONFIG_START) //#<laconf>
{
var o = k + 1;
while (o < text.Length)
{
if (text.Length - o >= LACONFIG_END.Length && text[o] == '#' &&
text.Substring(o, LACONFIG_END.Length) == LACONFIG_END) //#<laconf>
{
tags.Add(CreateTagSpan(k, LACONFIG_START.Length, NfxTokenTypes.Laconf)); //#<laconf>
tags.Add(CreateTagSpan(o, LACONFIG_END.Length, NfxTokenTypes.Laconf)); //#<laconf>
var j = k + LACONFIG_START.Length;
GetLaconicTags(ref tags, text.Substring(j, o - j), j);
break;
}
o++;
}
}
}
if (text[k] == '<') //styles
{
if (text.Length - k > STYLE_START.Length &&
text.Substring(k, STYLE_START.Length) == STYLE_START)
{
var o = k + STYLE_START.Length;
while (o < text.Length)
{
if (text.Length - o >= STYLE_END.Length &&
text.Substring(o, STYLE_END.Length) == STYLE_END)
{
var tt = text.Substring(k + STYLE_START.Length, o - k - STYLE_START.Length);
FindPropTags(tags, m_CssContentType, tt, k + STYLE_START.Length);
break;
}
o++;
}
}
}
if (text[k] == '<') //scripts
{
if (text.Length - k > SCRIPT_START.Length &&
text.Substring(k, SCRIPT_START.Length) == SCRIPT_START)
{
var o = k + SCRIPT_START.Length;
while (o < text.Length)
{
if (text.Length - o >= SCRIP_END.Length &&
text.Substring(o, SCRIP_END.Length) == SCRIP_END)
{
var tt = text.Substring(k + SCRIPT_START.Length, o - k - SCRIPT_START.Length);
FindPropTags(tags, m_JavaScripContentType, tt, k + STYLE_START.Length);
break;
}
o++;
}
}
}
k++;
}
SynchronousUpdate();
m_Oldtags = tags;
return(tags);
}
