private bool HandleLeftBraceTyped(ITypingContext typingContext)
{
ITextControl textControl = typingContext.TextControl;
using (CommandProcessor.UsingCommand("Smart LBRACE"))
{
typingContext.CallNext();
// check if typed char is a token
int charPos = TextControlToLexer(textControl, textControl.Caret.Offset() - 1);
CachingLexer lexer = GetCachingLexer(textControl);
if (charPos < 0 || !lexer.FindTokenAt(charPos) || lexer.TokenStart != charPos)
{
return(true);
}
if (NeedAutoinsertCloseBracket(lexer))
{
if (typingContext.EnsureWritable() != EnsureWritableResult.SUCCESS)
{
return(true);
}
AutoinsertRBrace(textControl, lexer);
int position = charPos + 1;
if (position >= 0)
{
textControl.Caret.MoveTo(position, CaretVisualPlacement.DontScrollIfVisible);
}
}
}
return(true);
}
private bool HandleColonTyped(ITypingContext typingContext)
{
ITextControl textControl = typingContext.TextControl;
if (typingContext.EnsureWritable() != EnsureWritableResult.SUCCESS)
{
return(false);
}
using (CommandProcessor.UsingCommand("Smart :"))
{
TextControlUtil.DeleteSelection(textControl);
textControl.FillVirtualSpaceUntilCaret();
int charPos = TextControlToLexer(textControl, textControl.Caret.Offset());
CachingLexer lexer = GetCachingLexer(textControl);
if (charPos < 0 || !lexer.FindTokenAt(charPos) || lexer.TokenStart != charPos ||
lexer.TokenType != PsiTokenType.COLON)
{
typingContext.CallNext();
}
else
{
int position = charPos + 1;
if (position < 0)
{
return(true);
}
textControl.Caret.MoveTo(position, CaretVisualPlacement.DontScrollIfVisible);
}
if (NeedAutoinsertSemicolon(textControl))
{
if (typingContext.EnsureWritable() != EnsureWritableResult.SUCCESS)
{
return(true);
}
char c = typingContext.Char;
int insertPos = charPos;
if (insertPos >= 0)
{
textControl.Document.InsertText(insertPos + 1, ";");
textControl.Caret.MoveTo(insertPos + 1, CaretVisualPlacement.DontScrollIfVisible);
}
// format statement
if (GetTypingAssistOption(textControl, TypingAssistOptions.FormatStatementOnSemicolonExpression))
{
DoFormatStatementOnColon(textControl);
}
}
return(true);
}
}
private bool HandleLeftBracketOrParenthTyped(ITypingContext typingContext)
{
ITextControl textControl = typingContext.TextControl;
using (CommandProcessor.UsingCommand("Smart " + typingContext.Char))
{
typingContext.CallNext();
using (WriteLockCookie.Create())
{
// check if typed char is a token
CachingLexer lexer = GetCachingLexer(textControl);
int charPos = TextControlToLexer(textControl, textControl.Caret.Offset() - 1);
if (charPos < 0 || !lexer.FindTokenAt(charPos) || lexer.TokenStart != charPos)
{
return(true);
}
if (lexer.TokenType != PsiTokenType.LBRACKET && lexer.TokenType != PsiTokenType.LPARENTH)
{
return(true);
}
// check that next token is good one
TokenNodeType nextTokenType = lexer.LookaheadToken(1);
if (nextTokenType != null && nextTokenType != PsiTokenType.WHITE_SPACE &&
nextTokenType != PsiTokenType.NEW_LINE && nextTokenType != PsiTokenType.C_STYLE_COMMENT &&
nextTokenType != PsiTokenType.END_OF_LINE_COMMENT && nextTokenType != PsiTokenType.SEMICOLON &&
nextTokenType != PsiTokenType.RBRACKET && nextTokenType != PsiTokenType.RBRACE &&
nextTokenType != PsiTokenType.RPARENTH)
{
return(true);
}
if (NeedAutoinsertCloseBracket(lexer))
{
if (typingContext.EnsureWritable() != EnsureWritableResult.SUCCESS)
{
return(true);
}
char c = typingContext.Char;
int insertPos = charPos;
if (insertPos >= 0)
{
textControl.Document.InsertText(insertPos + 1, c == '(' ? ")" : c == '[' ? "]" : "}");
textControl.Caret.MoveTo(insertPos + 1, CaretVisualPlacement.DontScrollIfVisible);
}
}
}
}
return(true);
}
private bool HandleRightBracketTyped(ITypingContext typingContext)
{
ITextControl textControl = typingContext.TextControl;
if (typingContext.EnsureWritable() != EnsureWritableResult.SUCCESS)
{
return(false);
}
using (CommandProcessor.UsingCommand("Smart bracket"))
{
TextControlUtil.DeleteSelection(textControl);
int charPos = TextControlToLexer(textControl, textControl.Caret.Offset());
CachingLexer lexer = GetCachingLexer(textControl);
if (charPos < 0 || !lexer.FindTokenAt(charPos) || lexer.TokenStart != charPos)
{
return(false);
}
if (NeedSkipCloseBracket(lexer, typingContext.Char))
{
int position = charPos + 1;
if (position >= 0)
{
textControl.Caret.MoveTo(position, CaretVisualPlacement.DontScrollIfVisible);
}
}
else
{
typingContext.CallNext();
}
}
return(true);
}
private bool HandleQuoteTyped(ITypingContext typingContext)
{
ITextControl textControl = typingContext.TextControl;
if (typingContext.EnsureWritable() != EnsureWritableResult.SUCCESS)
{
return(false);
}
using (CommandProcessor.UsingCommand("Smart quote"))
{
TextControlUtil.DeleteSelection(textControl);
textControl.FillVirtualSpaceUntilCaret();
CachingLexer lexer = GetCachingLexer(textControl);
IBuffer buffer = lexer.Buffer;
int charPos = TextControlToLexer(textControl, textControl.Caret.Offset());
TokenNodeType correspondingTokenType = PsiTokenType.STRING_LITERAL;
if (charPos < 0 || !lexer.FindTokenAt(charPos))
{
return(false);
}
TokenNodeType tokenType = lexer.TokenType;
// check if we should skip the typed char
if (charPos < buffer.Length && buffer[charPos] == typingContext.Char && tokenType == correspondingTokenType &&
lexer.TokenStart != charPos && buffer[lexer.TokenStart] != '@')
{
int position = charPos;
if (position >= 0)
{
textControl.Caret.MoveTo(position + 1, CaretVisualPlacement.DontScrollIfVisible);
}
return(true);
}
// check that next token is a good one
if (tokenType != null && !IsStopperTokenForStringLiteral(tokenType))
{
return(false);
}
// find next not whitespace token
while (lexer.TokenType == PsiTokenType.WHITE_SPACE)
{
lexer.Advance();
}
bool doInsertPairQuote = (lexer.TokenType == correspondingTokenType) &&
((lexer.TokenEnd > lexer.TokenStart + 1) && (lexer.Buffer[lexer.TokenStart] == typingContext.Char) && (lexer.Buffer[lexer.TokenEnd - 1] == typingContext.Char));
// do inserting of the requested char and updating of the lexer
typingContext.CallNext();
lexer = GetCachingLexer(textControl);
// charPos = TextControlToLexer(textControl, textControl.CaretModel.Offset - 1);
if (!doInsertPairQuote)
{
// check if the typed char is the beginning of the corresponding token
if (!lexer.FindTokenAt(charPos))
{
return(true);
}
bool isStringWithAt = lexer.TokenType == PsiTokenType.STRING_LITERAL && lexer.TokenStart == charPos - 1 &&
lexer.Buffer[lexer.TokenStart] == '@';
if ((lexer.TokenStart != charPos) && !isStringWithAt)
{
return(true);
}
// check if there is unclosed token of the corresponding type up to the end of the source line
int newPos = charPos;
if (newPos < 0)
{
return(true);
}
DocumentCoords documentCoords = textControl.Document.GetCoordsByOffset(newPos);
int offset = textControl.Document.GetLineEndOffsetNoLineBreak(documentCoords.Line) - 1;
int lexerOffset = TextControlToLexer(textControl, offset);
if (lexerOffset >= 0)
{
lexer.FindTokenAt(lexerOffset);
}
if (lexerOffset < 0 || lexer.TokenType == null)
{
charPos = TextControlToLexer(textControl, textControl.Caret.Offset() - 1);
if (charPos >= 0)
{
lexer.FindTokenAt(charPos);
}
else
{
return(true);
}
}
doInsertPairQuote = (lexer.TokenType == correspondingTokenType) &&
((lexer.TokenEnd == lexer.TokenStart + 1) || (lexer.Buffer[lexer.TokenEnd - 1] != typingContext.Char) ||
(isStringWithAt && (lexer.TokenStart == charPos - 1) && (lexer.TokenEnd != charPos + 1)));
}
// insert paired quote
if (doInsertPairQuote)
{
charPos++;
int documentPos = charPos;
if (documentPos >= 0)
{
textControl.Document.InsertText(documentPos, typingContext.Char == '\'' ? "'" : "\"");
textControl.Caret.MoveTo(documentPos, CaretVisualPlacement.DontScrollIfVisible);
}
}
}
return(true);
}