private void syntaxIndicators()
{
var funcs = highlighter.Functions;
int pos = scintilla.CurrentPosition;
ELToken currFunc = null;
foreach (var f in funcs)
{
if (pos >= f.pos && pos <= f.pos + f.functionLen)
{
currFunc = f;
}
}
scintilla.IndicatorCurrent = 1;
scintilla.IndicatorClearRange(0, scintilla.TextLength);
scintilla.IndicatorCurrent = 2;
scintilla.IndicatorClearRange(0, scintilla.TextLength);
if (currFunc != null)
{
scintilla.IndicatorCurrent = 1;
scintilla.Indicators[1].Style = IndicatorStyle.StraightBox;
scintilla.IndicatorClearRange(0, scintilla.TextLength);
// don't highlight the entire text (first function, usually)
if (settings.HighlightFunction)
{
if (currFunc.pos > 2 || currFunc.functionLen < scintilla.Text.Trim().Length - 3 || pos <= currFunc.pos + currFunc.len)
{
scintilla.IndicatorFillRange(currFunc.pos, currFunc.functionLen);
}
}
scintilla.IndicatorCurrent = 2;
scintilla.Indicators[2].Style = IndicatorStyle.FullBox;
scintilla.Indicators[2].ForeColor = Color.Red;
scintilla.Indicators[2].Alpha = 60;
scintilla.IndicatorClearRange(0, scintilla.TextLength);
if (settings.HighlightDelimiters)
{
foreach (int p in currFunc.separators)
{
scintilla.IndicatorFillRange(p, 1);
}
}
}
if (currFunc != selectedFunction)
{
selectedFunction = currFunc;
FunctionChanged?.Invoke(this, selectedFunction);
}
}
private void expression_FunctionChanged(object sender, ELToken e)
{
if (splitContainer3.Panel2Collapsed)
{
return;
}
if ((sender as ExpressionTab) != currentTab)
{
return;
}
string name = e == null ? null : e.function == ELFunctions.Unknown ? null : e.function.ToString();
var func = name == null ? null : ELConstants.ELFunctionWiki.Where(f => f.function.ToLower() == name.ToLower()).FirstOrDefault();
LoadWiki(name ?? e?.text, func);
}
private void syntaxHighlight(List <ELToken> tokens)
{
if (this.InvokeRequired)
{
this.BeginInvoke((MethodInvoker) delegate { syntaxHighlight(tokens); });
return;
}
if (changed || !IsHandleCreated)
{
return;
}
//txtExpression.ClearDocumentStyle(); // causes problems with Word wrap!
scintilla.StartStyling(0);
scintilla.SetStyling(scintilla.TextLength, 0);
if (settings.HighlightSyntax)
{
ELToken last = null;
foreach (var token in tokens)
{
int style = (int)token.type;
scintilla.StartStyling(token.pos);
if (token.pos + token.len == scintilla.TextLength)
{
last = token;
}
scintilla.SetStyling(token.len, style);
}
// bugfix: re-paint last character because it loses the style
if (last != null)
{
scintilla.StartStyling(scintilla.TextLength - 1);
scintilla.SetStyling(1, (int)last.type);
}
}
syntaxIndicators();
}
void scanFunction(ELToken token, string expression)
{
int level = 0;
bool skip = false;
bool skip2 = false;
bool skip3 = false;
try
{
for (int i = token.pos; i < expression.Length - 1; i++)
{
// block escape content
if (skip)
{
if (expression[i] == '#' && expression[i + 1] == '/')
{
skip = false;
i++;
}
continue;
}
if (skip2)
{
if (expression[i] == ']')
{
skip2 = false;
}
continue;
}
// block escape start
if (expression[i] == '/' && expression[i + 1] == '#')
{
skip = true;
i++;
continue;
}
// block escape start
if (expression[i] == '/' && expression[i + 1] == '*')
{
skip3 = !skip3;
i++;
continue;
}
// literal char
else if (expression[i] == '[')
{
skip2 = true;
}
else if (expression[i] == '/')
{
i++;
}
else if (expression[i] == '(' && level++ == 0)
{
token.separators.Add(i);
}
else if (expression[i] == ')' && --level == 0)
{
token.separators.Add(i);
token.functionLen = i - token.pos + 1;
return;
}
else if (expression[i] == ',' && level == 1)
{
token.separators.Add(i);
}
}
token.functionLen = expression.Length - token.pos - 1;
}
catch (Exception ex) {
Logger.Log(ex);
}
}