private void GotoBraceMatch()
{
BraceInfo braceInfo = GetCurrentBraceInfo();
if (braceInfo != null)
{
int bracePosition = _scintillaControl.BraceMatch(braceInfo.Position);
if (bracePosition != -1)
{
if (braceInfo.OpenBrace)
{
bracePosition++;
}
_scintillaControl.GotoPosition(bracePosition);
}
}
}
private void codeBox_UpdateUI(object sender, UpdateUIEventArgs e)
{
const string openBraces = "([{";
const string closeBraces = ")]}";
var caretPos = _codeBox.CurrentPosition;
if (caretPos != _lastCaretPos)
{
int lastLine = _codeBox.LineFromPosition(_lastCaretPos);
int currentLine = _codeBox.LineFromPosition(caretPos);
_codeBox.MarkerDeleteAll(3);
if (_highlightLine)
{
_codeBox.Lines[currentLine].MarkerAdd(3);
}
char charBefore = (char)_codeBox.GetCharAt(caretPos - 1);
char charAfter = (char)_codeBox.GetCharAt(caretPos);
int brace1Pos = Scintilla.InvalidPosition;
if (closeBraces.Contains(charBefore))
{
brace1Pos = caretPos - 1;
}
else if (openBraces.Contains(charAfter))
{
brace1Pos = caretPos;
}
if (brace1Pos != Scintilla.InvalidPosition)
{
int brace2Pos = _codeBox.BraceMatch(brace1Pos);
if (brace2Pos != Scintilla.InvalidPosition)
{
_codeBox.BraceHighlight(brace1Pos, brace2Pos);
}
else
{
_codeBox.BraceBadLight(brace1Pos);
}
}
else
{
_codeBox.BraceHighlight(Scintilla.InvalidPosition, Scintilla.InvalidPosition);
}
_lastCaretPos = caretPos;
}
}
private void Scintilla_UpdateUI(object sender, UpdateUIEventArgs e)
{
var caretPos = Scintilla.CurrentPosition;
if (_lastCaretPos == caretPos)
{
return;
}
_lastCaretPos = caretPos;
var openingBracePos = -1;
if (caretPos > 0 && IsBrace(Scintilla.GetCharAt(caretPos - 1)))
{
openingBracePos = caretPos - 1;
}
else if (IsBrace(Scintilla.GetCharAt(caretPos)))
{
openingBracePos = caretPos;
}
if (openingBracePos != -1)
{
var closingBracePos = Scintilla.BraceMatch(openingBracePos);
if (closingBracePos == Scintilla.InvalidPosition)
{
Scintilla.BraceBadLight(openingBracePos);
Scintilla.HighlightGuide = 0;
}
else
{
Scintilla.BraceHighlight(openingBracePos, closingBracePos);
Scintilla.HighlightGuide = Scintilla.GetColumn(openingBracePos);
}
}
else
{
Scintilla.BraceHighlight(Scintilla.InvalidPosition, Scintilla.InvalidPosition);
Scintilla.HighlightGuide = 0;
}
}
public static void Style(Scintilla scintilla, int startPos, int endPos, bool fullDoc = false)
{
startPos = (fullDoc ? 0 : scintilla.Lines[scintilla.LineFromPosition(startPos)].Position);
endPos = (fullDoc ? (scintilla.Lines[scintilla.Lines.Count].EndPosition - 1) : endPos);
int style, length = 0, state = STATE_UNKNOWN;
bool SINGLE_LINE_COMMENT,
MULTI_LINE_COMMENT,
VERBATIM = false,
PARENTHESIS = false,
QUOTED_STRING = false,
DBL_OPR;
char c = '\0', d = '\0';
void ClearState()
{
length = state = STATE_UNKNOWN;
}
void DefaultStyle() => scintilla.SetStyling(1, StyleDefault);
int StyleUntilEndOfLine(int inPosition, int inStyle)
{
int len = (scintilla.Lines[scintilla.LineFromPosition(inPosition)].EndPosition - inPosition);
scintilla.SetStyling(len, inStyle);
return(--len); //We return the length, cause we'll have to adjust the startPos.
}
bool ContainsUsingStatement(int inPosition) => (scintilla.GetTextRange(scintilla.Lines[scintilla.LineFromPosition(inPosition)].Position, 5)).Contains("using");
if (MULTI_KEYWORDS.Count > 0)
{
RegSearchForWordsIn(scintilla.GetTextRange(startPos, (endPos - startPos)), startPos);
}
scintilla.StartStyling(startPos);
{
for (; startPos < endPos; startPos++)
{
c = scintilla.Text[startPos];
if ((state == STATE_UNKNOWN) && c == ' ')
{
DefaultStyle(); continue;
} //Better than allowing it to set all the booleans and trickle down the if/else-if structure?
d = (((startPos + 1) < scintilla.Text.Length) ? scintilla.Text[startPos + 1] : '\0'); //d = (char)scintilla.GetCharAt(startPos + 1);
if (state == STATE_UNKNOWN)
{
bool bFormattedVerbatim = ((c == '$') && (d == '@')),
bFormatted = ((c == '$') && ((d == '"'))),
bNegativeNum = ((c == '-') && (char.IsDigit(d))),
bFraction = ((c == '.') && (char.IsDigit(d))),
bString = (c == '"'),
bQuotedString = (c == '\'');
VERBATIM = ((c == '@') && (d == '"'));
SINGLE_LINE_COMMENT = ((c == '/') && (d == '/'));
MULTI_LINE_COMMENT = ((c == '/') && (d == '*'));
//I always want braces to be highlighted
if ((c == '{') || (c == '}'))
{
scintilla.SetStyling(1, ((scintilla.BraceMatch(startPos) > -1) ? StyleBraces : StyleError));
}
else if (char.IsLetter(c)) //Indentifier - Keywords, procedures, etc ...
{
state = (((MULTI_KEYWORDS.Count > 0) && MULTI_DICT.ContainsKey(startPos)) ? STATE_MULTI_IDENTIFIER : STATE_IDENTIFIER);
}
else if (bString || VERBATIM || bFormatted || bFormattedVerbatim || bQuotedString) //String
{
int len = ((VERBATIM || bFormatted || bFormattedVerbatim) ? ((bFormattedVerbatim) ? 3 : 2) : 1);
QUOTED_STRING = bQuotedString;
scintilla.SetStyling(len, (!VERBATIM ? (QUOTED_STRING ? StyleQuotedString : StyleString) : StyleVerbatim));
startPos += (len - 1);
state = STATE_STRING;
}
else if (char.IsDigit(c) || bNegativeNum || bFraction) //Number
{
state = STATE_NUMBER;
}
else if (SINGLE_LINE_COMMENT || MULTI_LINE_COMMENT) //Comment
{
if (SINGLE_LINE_COMMENT)
{
startPos += StyleUntilEndOfLine(startPos, StyleComment);
}
else
{
scintilla.SetStyling(2, StyleComment);
startPos += 2;
state = STATE_MULTILINE_COMMENT;
}
}
else if (c == '#') //Preprocessor
{
startPos += StyleUntilEndOfLine(startPos, StylePreprocessor); //continue;
}
else if (
(char.IsSymbol(c) || OperatorStragglers.Contains(c)) && (Operators.Contains($"{c}" +
((DBL_OPR = (char.IsSymbol(d) || OperatorStragglers.Contains(d))) ? $"{d}" : "")))
) //Operators
{
scintilla.SetStyling((DBL_OPR ? 2 : 1), StyleOperator);
startPos += (DBL_OPR ? 1 : 0);
}
else
{
DefaultStyle();
}
continue;
}
length++;
switch (state)
{
case STATE_IDENTIFIER:
string identifier = scintilla.GetWordFromPosition(startPos);
style = StyleIdentifier;
int s = startPos;
startPos += (identifier.Length - 2);
d = (((startPos + 1) < scintilla.Text.Length) ? scintilla.Text[startPos + 1] : '\0'); //d = (char)scintilla.GetCharAt(startPos + 1);
bool OPEN_PAREN = (d == '(');
if (!OPEN_PAREN && KEYWORDS.Contains(identifier))
{
style = StyleKeyword;
} //Keywords
else if (!OPEN_PAREN && CONTEXTUAL_KEYWORDS.Contains(identifier))
{
style = StyleContextual;
} //Contextual Keywords
else if (!OPEN_PAREN && USER_KEYWORDS.Contains(identifier))
{
style = StyleUser;
} //User Keywords
else if (OPEN_PAREN)
{
style = StyleProcedure;
} //Procedures
else if (IdentifierMarkers.Contains(d) && !ContainsUsingStatement(startPos))
{
style = StyleProcedureContainer;
} //Procedure Containers "classes?"
else if (((char)scintilla.GetCharAt(s - 2) == '.') && !ContainsUsingStatement(s))
{
style = StyleContainerProcedure;
} //Container "procedures"
ClearState();
scintilla.SetStyling(identifier.Length, style);
break;
case STATE_MULTI_IDENTIFIER:
int value;
MULTI_DICT.TryGetValue((startPos - 1), out value);
startPos += (value - 2);
ClearState();
scintilla.SetStyling(value, StyleMultiIdentifier);
break;
case STATE_NUMBER:
if (!NumberTypes.Contains(c))
{
scintilla.SetStyling(length, StyleNumber);
ClearState();
startPos--;
}
break;
case STATE_STRING:
style = (VERBATIM ? StyleVerbatim : (QUOTED_STRING ? StyleQuotedString : StyleString));
if (QUOTED_STRING)
{
if (c == '\'') //End of our Quoted string?
{
QUOTED_STRING = false;
scintilla.SetStyling(length, style);
ClearState();
}
else if (c == '\\')
{
length++; startPos++;
}
}
else if (PARENTHESIS || ((c == '{') || (d == '}'))) //Formatted strings that are using braces
{
if (c == '{')
{
PARENTHESIS = true;
}
if (c == '}')
{
PARENTHESIS = false;
}
}
else if (VERBATIM && ((c == '"') && (d == '"'))) //Skip over embedded quotation marks
{
length++; startPos++;
}
else if (c == '"') //End of our string?
{
length = ((length < 1) ? 1 : length);
scintilla.SetStyling(length, style);
ClearState();
}
else
{
if (!QUOTED_STRING && (c == '\\') && EscapeSequences.Contains(d)) //Escape Sequences
{
length += ((d == '\\') ? 0 : -1);
scintilla.SetStyling(length, style);
{
startPos++; length = 0;
}
scintilla.SetStyling(2, StyleEscapeSequence);
}
}
break;
case STATE_MULTILINE_COMMENT:
if ((c == '*') && (d == '/'))
{
length += 2;
scintilla.SetStyling(length, StyleComment);
ClearState();
startPos++;
}
break;
}
}
}
}
