private static Tuple <string, string, GrammarSection> ProcessSection(Identifier grammar, Dictionary <string, object> dict)
{
if (dict == null)
{
return(null);
}
string tmp;
var ignoreCase = dict.Bool("ignoreCase");
var sect = new GrammarSection
{
GrammarKey = grammar,
ExternalGrammarKey = (Identifier)dict.String("grammar"),
IgnoreCase = ignoreCase,
ContextChars = dict.String("context"),
ContinuationChar = dict.Char("contination"),
EscapeChar = dict.Char("escape"),
TerminatorChar = dict.Char("terminator"),
Multiline = dict.Bool("multiline"),
DontStyleCompletely = dict.Bool("dontStyleCompletely"),
StyleBrackets = dict.Bool("styleBrackets"),
StyleNumbers = dict.Bool("styleNumbers"),
Style = dict.Style("style"),
IdentifierStyle = dict.Style("identifierStyle"),
ContextIdentifierStyle = dict.Style("contextIdentifierStyle"),
TerminatorEndChar = dict.Char("terminatorEnd"),
OnLineStartOnly = dict.Bool("lineStartOnly"),
Start = (tmp = dict.String("start")) != null ? new SectionSequence(tmp, !ignoreCase) : null,
End = (tmp = dict.String("end")) != null ? new SectionSequence(tmp, !ignoreCase) : null,
Keywords = ProcessKeywords(ignoreCase, dict.Object("keywords") as List <object>)
};
return(Tuple.Create(dict.String("key"), dict.String("parent"), sect));
}
public static GrammarSection TryMatch(this IEnumerable <GrammarSection> sections, Line ln, int col, GrammarSection except)
{
foreach (var sect in sections)
{
if (sect == except || sect.Start == null || sect.Start.Length <= except.Start.Length || sect.Start.Offset == 0)
{
continue;
}
var res = sect.Start.TryMatch(ln.CharAt(col + 0), 0);
if (res == MatchResult.Hit || sect.Start.MatchAnyState)
{
return(sect);
}
else if (res == MatchResult.Fail)
{
continue;
}
res = sect.Start.TryMatch(ln.CharAt(col + 1), 1);
if (res == MatchResult.Hit || sect.Start.MatchAnyState)
{
return(sect);
}
else if (res == MatchResult.Fail)
{
continue;
}
res = sect.Start.TryMatch(ln.CharAt(col + 2), 2);
if (res == MatchResult.Hit || sect.Start.MatchAnyState)
{
return(sect);
}
else if (res == MatchResult.Fail)
{
continue;
}
res = sect.Start.TryMatch(ln.CharAt(col + 3), 3);
if (res == MatchResult.Hit || sect.Start.MatchAnyState)
{
return(sect);
}
else if (res == MatchResult.Fail)
{
continue;
}
res = sect.Start.TryMatch(ln.CharAt(col + 4), 4);
if (res == MatchResult.Hit || sect.Start.MatchAnyState)
{
return(sect);
}
else if (res == MatchResult.Fail)
{
continue;
}
res = sect.Start.TryMatch(ln.CharAt(col + 5), 5);
if (res == MatchResult.Hit || sect.Start.MatchAnyState)
{
return(sect);
}
else if (res == MatchResult.Fail)
{
continue;
}
res = sect.Start.TryMatch(ln.CharAt(col + 6), 6);
if (res == MatchResult.Hit || sect.Start.MatchAnyState)
{
return(sect);
}
else if (res == MatchResult.Fail)
{
continue;
}
res = sect.Start.TryMatch(ln.CharAt(col + 7), 7);
if (res == MatchResult.Hit || sect.Start.MatchAnyState)
{
return(sect);
}
else if (res == MatchResult.Fail)
{
continue;
}
res = sect.Start.TryMatch(ln.CharAt(col + 8), 8);
if (res == MatchResult.Hit)
{
return(sect);
}
else if (res == MatchResult.Fail)
{
continue;
}
res = sect.Start.TryMatch(ln.CharAt(col + 9), 9);
if (res == MatchResult.Hit || sect.Start.MatchAnyState)
{
return(sect);
}
else if (res == MatchResult.Fail)
{
continue;
}
}
return(null);
}
private bool Overlap(IEnumerable <GrammarSection> seq, Line ln, int col, GrammarSection sect)
{
return(seq.TryMatch(ln, col + 1, sect) != null);
}
private State ParseLine(GrammarSection mys, ref int i, int line)
{
var start = i;
var identStart = i;
var ln = Lines[line];
var grammar = App.Ext.Grammars().GetGrammar(mys.GrammarKey);
Editor.AffinityManager.Associate(line, i, grammar.GlobalId);
var wordSep = grammar.NonWordSymbols ?? settings.NonWordSymbols;
var backm = mys.Id == 0 && mys.BackDelegate != null ? mys.BackDelegate : mys;
var last = '\0';
var term = '\0';
var lastNonIdent = true;
var lineStart = i == 0;
for (; i < ln.Length + 1; i++)
{
var c = ln.CharAt(i);
var nonIdent = IsNonIdent(c, wordSep);
var ws = IsWhiteSpace(c);
var kres = lastNonIdent || mys.Keywords.Offset != -1 ? mys.Keywords.Match(c) : -1;
if (mys.StyleBrackets && IsBracket(grammar, c))
{
Styles.StyleRange(StandardStyle.Bracket, line, i, i);
}
if (kres > 0 && IsNonIdent(ln.CharAt(i + 1), wordSep))
{
var style = mys.IdentifierStyle;
if (mys.ContextChars == null || mys.ContextChars.IndexOf(contextChar) != -1)
{
style = (StandardStyle)kres;
contextChar = '\0';
if (mys.ContextChars != null)
{
Editor.CallTips.BindCallTip(
"<b>ToolTip header</b><br><i>Subheader for this unique tip</i><br><br><<keyword>script</keyword><keywordspecial> type</keywordspecial>=<string>\"text/csharp\"</string>><br>This is a context keyword which is only recognized in a particular context such as (>) or any other different context symbol.",
new Pos(line, i - mys.Keywords.Offset), new Pos(line, i));
}
}
Styles.StyleRange(style, line, i - mys.Keywords.Offset, i);
identStart = i + 1;
mys.Keywords.Reset();
}
else if (kres < 0)
{
mys.Keywords.Reset();
}
var num = false;
if (kres < 0 && mys.StyleNumbers && grammar.NumberLiteral != null)
{
var mc = grammar.NumberLiteral.MatchCount;
num = grammar.NumberLiteral.Match(c, last);
if (!num && mc > 0 && nonIdent)
{
Styles.StyleRange(StandardStyle.Number, line, i - mc, i - 1);
}
}
if (nonIdent)
{
if (!lastNonIdent && i - identStart - 1 >= 0)
{
if (mys.IdentifierStyle != 0)
{
Styles.StyleRange(
mys.ContextIdentifierStyle != StandardStyle.Default &&
mys.ContextChars != null && mys.ContextChars.IndexOf(contextChar) != -1 ?
mys.ContextIdentifierStyle : mys.IdentifierStyle, line, identStart, i - 1);
contextChar = '\0';
}
}
identStart = i + 1;
}
if (!ws && nonIdent && c != '\0')
{
contextChar = c;
}
var sect = kres >= 0 || num ? null : mys.Sections.Match(c);
if (sect != null &&
(sect.Start == null ||
(!Overlap(mys.Sections, ln, i, sect) && (!sect.OnLineStartOnly || lineStart) &&
(sect.Start.Length > 1 || IsNonIdent(sect.Start.First(), wordSep) || IsNonIdent(last, wordSep)))))
{
if (i < ln.Length - 1 && sect.TerminatorChar == ln.CharAt(i + 1))
{
i++;
sect.Start.Reset();
continue;
}
if (mys.Style != 0)
{
var off1 = backm.DontStyleCompletely || mys.Fallback ? 0 : backm.Start != null ? backm.Start.Length : 0;
Styles.StyleRange(mys.Style, line, start - off1, i - (sect.Start == null ? 0 : sect.Start.Length));
mys.Fallback = false;
}
if (sect.DontStyleCompletely)
{
var oldi = i;
var lineIndex = line;
var newCol = i;
if (sect.Start.MatchCount > ln.Length)
{
var shift = sect.Start.MatchCount;
var nln = ln;
do
{
shift -= nln.Length;
if (nln.Length == 0)
{
shift--;
}
if (shift >= 0)
{
lineIndex--;
nln = Editor.Buffer.Document.Lines[lineIndex];
}
} while (shift >= 0);
newCol = Math.Abs(shift) + 1;
}
else
{
newCol = i - sect.Start.MatchCount + 1;
}
newCol = newCol < 0 ? 0 : newCol;
sect.Start.Disabled = true;
var tys = mys;
for (var ni = lineIndex; ni < line + 1; ni++)
{
var tst = ParseLine(tys, ref newCol, ni);
tys = grammar.Sections[tst.SectionId];
if (newCol >= Lines[ni].Length)
{
newCol = 0;
}
else
{
ni--;
}
}
sect.Start.Disabled = false;
sect.Start.Reset();
i = oldi;
}
i++;
if (sect.ExternalGrammarKey != null)
{
var bd = sect;
sect = App.Ext.Grammars().GetGrammar(sect.ExternalGrammarKey).Sections[0];
sect.BackDelegate = bd;
}
return(Fetch(sect.Id, sect));
}
else if (!num && backm.End != null && backm.End.Match(c) == MatchResult.Hit &&
(backm.EscapeChar == '\0' || backm.EscapeChar != last || (i >= 1 && backm.EscapeChar == ln.CharAt(i - 2))))
{
if (i < ln.Length - 1 && backm.TerminatorEndChar == ln.CharAt(i + 1))
{
i++;
backm.End.Reset();
continue;
}
if (backm.Style != 0)
{
var off1 = backm.DontStyleCompletely || backm.Fallback ? 0 : backm.Start != null ? backm.Start.Length : 0;
Styles.StyleRange(backm.Style, line, start - off1, i - (backm.DontStyleCompletely ? backm.End.Offset : 0));
backm.Fallback = false;
}
i++;
var parId = mys.ParentId;
if (backm == mys.BackDelegate)
{
mys.BackDelegate = null;
parId = backm.ParentId;
if (parId != 0)
{
App.Ext.Grammars().GetGrammar(backm.GrammarKey).Sections[parId].Fallback = true;
}
}
else if (parId != 0)
{
grammar.Sections[parId].Fallback = true;
}
if (backm.DontStyleCompletely)
{
i -= backm.End.MatchCount;
i = i < 0 ? 0 : i;
}
return(Fetch(parId, backm));
}
if (!ws)
{
term = c;
lineStart = false;
}
last = c;
lastNonIdent = nonIdent;
}
var singleLineContinue = !mys.Multiline && mys.ContinuationChar != '\0' && mys.ContinuationChar == term;
if (mys.Style != 0 && (mys.Multiline || mys.End == null))
{
var off = !mys.DontStyleCompletely ? mys.Start.Length : 0;
Styles.StyleRange(mys.Style, line, start - off, ln.Length);
}
if (mys.End != null && mys.Multiline || mys.End == null && singleLineContinue)
{
return(Fetch(mys.Id, mys));
}
else
{
return(Fetch(0, mys, mys.Sections.MatchAnyState()));
}
}
private State Fetch(int sectionId, GrammarSection sect, bool matchAnyState = false)
{
return(new State(sectionId, sect.GrammarKey, matchAnyState));
}