/// <summary>
/// Indents the current line assuming we already have normal indentation, applying syntax specific rules.
/// </summary>
/// <param name="editor">The editor.</param>
/// <param name="onEnter">True if called after user pressed enter.</param>
private void ConditionalIndent(ITextEditor editor, bool onEnter = false)
{
var currentLine = editor.CurrentLine();
if (currentLine.PreviousLine != null)
{
var lastCharInfo = editor.Document.GetLastNonWhiteSpaceCharBefore(currentLine.PreviousLine.EndOffset, currentLine.PreviousLine.Offset);
if (lastCharInfo.index != -1)
{
if (lastCharInfo.character == '{' && onEnter)
{
var whiteSpace = editor.Document.GetWhitespaceAfter(editor.PreviousLine().Offset);
var currentChar = editor.Document.GetCharAt(editor.Offset);
if (char.IsWhiteSpace(currentChar) || currentChar == '}')
{
editor.Document.Insert(editor.Offset, "\n" + editor.Document.GetText(whiteSpace));
editor.Offset = editor.PreviousLine().EndOffset;
}
}
else if (lastCharInfo.character == ')')
{
var lineText = editor.CurrentLineText();
if (!lineText.Contains("{"))
{
editor.Document.Insert(editor.Offset, new string(' ', 4));
}
}
else
{
var previousLineText = editor.PreviousLineText().Trim();
if (previousLineText.EndsWith("else"))
{
var lineText = editor.CurrentLineText();
if (!lineText.Contains("{"))
{
editor.Document.Insert(editor.Offset, new string(' ', 4));
}
}
}
}
}
}
public bool AfterTextInput(ITextEditor editor, string inputText)
{
if (inputText == "\n")
{
var previousBracketInfo = GetPreviousBracketInfo(editor, editor.Offset - 1);
if (previousBracketInfo.whitespace != null)
{
Indent(editor, editor.Line, previousBracketInfo.whitespace, previousBracketInfo.character);
}
ConditionalIndent(editor, true);
}
else if (inputText == "{" || inputText == "}" || inputText == ";")
{
var prevLine = editor.PreviousLine();
if (prevLine != null)
{
var lastCharInfo = editor.Document.GetLastNonWhiteSpaceCharBefore(prevLine.EndOffset, prevLine.Offset);
if (!(inputText == "{" && lastCharInfo.character == '{'))
{
if (inputText == "{" || inputText == "}")
{
var lastBracketWhitespaceInfo = GetPreviousBracketInfo(editor, editor.Offset - 2);
Indent(editor, editor.Line, lastBracketWhitespaceInfo.whitespace, lastBracketWhitespaceInfo.character);
}
else
{
var lastBracketWhitespaceInfo = GetPreviousBracketInfo(editor, editor.Offset - 1);
if (lastCharInfo.character == ')')
{
Indent(editor, editor.Line, lastBracketWhitespaceInfo.whitespace, lastBracketWhitespaceInfo.character, lastBracketWhitespaceInfo.character == '{' ? 2 : 1, true);
}
else
{
var previousLineText = editor.PreviousLineText().Trim();
if (previousLineText.EndsWith("else"))
{
var lineText = editor.CurrentLineText();
if (!lineText.Contains("{"))
{
Indent(editor, editor.Line, lastBracketWhitespaceInfo.whitespace, lastBracketWhitespaceInfo.character, lastBracketWhitespaceInfo.character == '{' ? 2 : 1, true);
}
}
else
{
Indent(editor, editor.Line, lastBracketWhitespaceInfo.whitespace, lastBracketWhitespaceInfo.character);
}
}
}
}
}
else
{
Indent(editor, editor.Line, null, null);
}
}
return(false);
}
