private void FastColoredTextBox_AutoIndentNeeded(object sender, FastColoredTextBoxNS.AutoIndentEventArgs e)
{
var l = e.LineText.Trim();
if (l.EndsWith("(") || l.EndsWith("{"))
{
e.ShiftNextLines = e.TabLength;
}
if (l.StartsWith(")") || l.StartsWith("}"))
{
e.Shift = -e.TabLength;
e.ShiftNextLines = -e.TabLength;
}
}
private void CSharpAutoIndentNeeded(object sender, AutoIndentEventArgs args)
{
//block {}
if (Regex.IsMatch(args.LineText, @"^[^""']*\{.*\}[^""']*$"))
{
return;
}
//start of block {}
if (Regex.IsMatch(args.LineText, @"^[^""']*\{"))
{
args.ShiftNextLines = args.TabLength;
return;
}
//end of block {}
if (Regex.IsMatch(args.LineText, @"}[^""']*$"))
{
args.Shift = -args.TabLength;
args.ShiftNextLines = -args.TabLength;
return;
}
//label
if (Regex.IsMatch(args.LineText, @"^\s*\w+\s*:\s*($|//)") &&
!Regex.IsMatch(args.LineText, @"^\s*default\s*:"))
{
args.Shift = -args.TabLength;
return;
}
//some statements: case, default
if (Regex.IsMatch(args.LineText, @"^\s*(case|default)\b.*:\s*($|//)"))
{
args.Shift = -args.TabLength / 2;
return;
}
//is unclosed operator in previous line ?
if (Regex.IsMatch(args.PrevLineText, @"^\s*(if|for|foreach|while|[\}\s]*else)\b[^{]*$"))
{
if (!Regex.IsMatch(args.PrevLineText, @"(;\s*$)|(;\s*//)"))//operator is unclosed
{
args.Shift = args.TabLength;
return;
}
}
}
private void VBAutoIndentNeeded(object sender, AutoIndentEventArgs args)
{
//end of block
if (Regex.IsMatch(args.LineText, @"^\s*(End|EndIf|Next|Loop)\b", RegexOptions.IgnoreCase))
{
args.Shift = -args.TabLength;
args.ShiftNextLines = -args.TabLength;
return;
}
//start of declaration
if (Regex.IsMatch(args.LineText,
@"\b(Class|Property|Enum|Structure|Sub|Function|Namespace|Interface|Get)\b|(Set\s*\()",
RegexOptions.IgnoreCase))
{
args.ShiftNextLines = args.TabLength;
return;
}
// then ...
if (Regex.IsMatch(args.LineText, @"\b(Then)\s*\S+", RegexOptions.IgnoreCase))
{
return;
}
//start of operator block
if (Regex.IsMatch(args.LineText, @"^\s*(If|While|For|Do|Try|With|Using|Select)\b", RegexOptions.IgnoreCase))
{
args.ShiftNextLines = args.TabLength;
return;
}
//Statements else, elseif, case etc
if (Regex.IsMatch(args.LineText, @"^\s*(Else|ElseIf|Case|Catch|Finally)\b", RegexOptions.IgnoreCase))
{
args.Shift = -args.TabLength;
return;
}
//Char _
if (args.PrevLineText.TrimEnd().EndsWith("_"))
{
args.Shift = args.TabLength;
}
}
public virtual void AutoIndentNeeded(object sender, AutoIndentEventArgs args)
{
FastColoredTextBox tb = (sender as FastColoredTextBox);
Language language = tb.Language;
switch (language)
{
case Language.CSharp: CSharpAutoIndentNeeded(sender, args); break;
case Language.VB: VBAutoIndentNeeded(sender, args); break;
case Language.HTML: HTMLAutoIndentNeeded(sender, args); break;
case Language.SQL: SQLAutoIndentNeeded(sender, args); break;
case Language.PHP: PHPAutoIndentNeeded(sender, args); break;
default:
break;
}
}
private void RubyAutoIndentNeeded(object sender, AutoIndentEventArgs args)
{
if (Regex.IsMatch(args.LineText, @"^\s*(end)\b"))
{
args.Shift = -args.TabLength;
args.ShiftNextLines = -args.TabLength;
return;
}
if (Regex.IsMatch(args.LineText, @"\b(then)\s*\S+"))
{
return;
}
if (Regex.IsMatch(args.LineText, @"^\s*(else|elsif)\b", RegexOptions.IgnoreCase))
{
args.Shift = -args.TabLength;
return;
}
if (Regex.IsMatch(args.LineText, @"\b(def|if|for|class|case|when)\b"))
{
args.ShiftNextLines = args.TabLength;
}
}
private void HTMLAutoIndentNeeded(object sender, AutoIndentEventArgs args)
{
FastColoredTextBox tb = sender as FastColoredTextBox;
tb.CalcAutoIndentShiftByCodeFolding(sender, args);
}
public virtual void AutoIndentNeeded(object sender, AutoIndentEventArgs args)
{
RazorAutoIndentNeeded(sender, args);
}
// ReSharper disable once UnusedParameter.Local
private void CobolAutoIndentNeeded(object sender, AutoIndentEventArgs args)
{
// input: args.LineText;
// output: args.Shift; (current line), args.ShiftNextLines; (next line)
const int basicIndent = 4;
const int ifIndent = 8;
var currentLine = args.LineText;
// endings
if (args.PrevLineText.IndexOf('.') > 0)
{
_inLastElseBlock = false;
// rulerForWrappedLines = 0;
args.AbsoluteIndentation = basicIndent;
}
// validate text
if (currentLine.Length < 8)
{
return;
}
// ignore comments
if (currentLine[6] == '*')
{
return;
}
// trim line numbers and author comments
currentLine = ExtractCode(currentLine);
var previousLine = ExtractCode(args.PrevLineText);
// VARIABLE DEFINITIONS
if (currentLine.Length > 2 && char.IsDigit(currentLine[0]) && char.IsDigit(currentLine[1]))
{
var number = int.Parse(currentLine.Substring(0, 2));
if (number == 1 || number == 77)
{
args.AbsoluteIndentation = 0;
}
else if (number == 88)
{
args.AbsoluteIndentation = CalculateSpaces(args.PrevLineText, 7) + (previousLine.StartsWith("88") ? 0 : 4);
}
else
{
args.AbsoluteIndentation = number * 2 - 2;
}
return;
}
// LABELS
if (_cobolProceduresRegex.IsMatch(args.LineText))
{
args.AbsoluteIndentation = 0;
return;
}
// IF / ELSE IF / ELSE
if (currentLine.StartsWith("IF"))
{
_inLastElseBlock = false;
// ELSE \n IF
if (previousLine.StartsWith("ELSE"))
{
args.AbsoluteIndentation = args.PrevLineText.IndexOf('E') - 7;
}
args.ShiftNextLines = ifIndent;
return;
}
if (currentLine.StartsWith("ELSE"))
{
args.Shift = args.AbsoluteIndentation <= 12 ? -ifIndent : _inLastElseBlock ? -2 * ifIndent : -ifIndent;
args.ShiftNextLines = ifIndent;
_inLastElseBlock = true;
return;
}
// NON-KEYWORDS / WRAPPED LINES
var keyword = (currentLine + " ").Substring(0, (currentLine + " ").IndexOf(' ')).Trim(new char['.']);
if (!CobolKeywords.Keywords.Contains(keyword))
{
args.WrappedLine = true;
// try to set new ruler
if (TryFindRuler(args, "= "))
{
return;
}
if (TryFindRuler(args, "USING "))
{
return;
}
if (TryFindRuler(args, "TO "))
{
return;
}
if (TryFindRuler(args, "VALUE "))
{
return;
}
if (TryFindRuler(args, "\""))
{
return;
}
// otherwise use last ruler, IF it was less then 5 lines ago. Also update that.
if (_rulerForWrappedLines > 0 && Math.Abs(_rulerForWrappedLinesLine - args.iLine) < 5)
{
_rulerForWrappedLinesLine = args.iLine;
args.Shift = _rulerForWrappedLines;
return;
}
// otherwise shift by four
args.Shift = 4;
}
}
public virtual void AutoIndentNeeded(object sender, AutoIndentEventArgs args)
{
var tb = (sender as FastColoredTextBox);
tb.Language.AutoIndentNeeded(args);
}
protected void SQLAutoIndentNeeded(object sender, AutoIndentEventArgs args)
{
var tb = sender as FastColoredTextBox;
tb.CalcAutoIndentShiftByCodeFolding(sender, args);
}
public virtual void AutoIndentNeeded(object sender, AutoIndentEventArgs args)
{
var tb = (sender as FastColoredTextBox);
SQLAutoIndentNeeded(sender, args);
}