/**
* Tries to calculate given line's indent column assuming that there might be a comment at the
* given indent offset (see {@link #getCommentPrefix(IElementType)}).
*
* @param line target line
* @param indentOffset start indent offset to use for the given line
* @param lineEndOffset given line's end offset
* @param fallbackColumn column to return if it's not possible to apply comment-specific indent
* calculation rules
* @return given line's indent column to use
*/
private int calcIndent(int line, int indentOffset, int lineEndOffset, int fallbackColumn) {
final HighlighterIterator it = myEditor.getHighlighter().createIterator(indentOffset);
IElementType tokenType = it.getTokenType();
Language language = tokenType.getLanguage();
TokenSet comments = myComments.get(language);
if (comments == null) {
ParserDefinition definition = LanguageParserDefinitions.INSTANCE.forLanguage(language);
if (definition != null) {
comments = definition.getCommentTokens();
}
if (comments == null) {
return fallbackColumn;
} else {
myComments.put(language, comments);
}
}
if (comments.contains(tokenType) && indentOffset == it.getStart()) {
String prefix = COMMENT_PREFIXES.get(tokenType);
if (prefix == null) {
prefix = getCommentPrefix(tokenType);
}
if (!NO_COMMENT_INFO_MARKER.equals(prefix)) {
final int indentInsideCommentOffset =
CharArrayUtil.shiftForward(
myChars, indentOffset + prefix.length(), lineEndOffset, " \t");
if (indentInsideCommentOffset < lineEndOffset) {
int indent = myEditor.calcColumnNumber(indentInsideCommentOffset, line);
indentAfterUncomment.put(line, indent - prefix.length());
return indent;
}
}
}
return fallbackColumn;
}
private static boolean isCommentComplete(
PsiComment comment, CodeDocumentationAwareCommenter commenter, Editor editor) {
for (CommentCompleteHandler handler :
Extensions.getExtensions(CommentCompleteHandler.EP_NAME)) {
if (handler.isApplicable(comment, commenter)) {
return handler.isCommentComplete(comment, commenter, editor);
}
}
String commentText = comment.getText();
final boolean docComment = isDocComment(comment, commenter);
final String expectedCommentEnd =
docComment ? commenter.getDocumentationCommentSuffix() : commenter.getBlockCommentSuffix();
if (!commentText.endsWith(expectedCommentEnd)) return false;
final PsiFile containingFile = comment.getContainingFile();
final Language language = containingFile.getLanguage();
ParserDefinition parserDefinition = LanguageParserDefinitions.INSTANCE.forLanguage(language);
if (parserDefinition == null) {
return true;
}
Lexer lexer = parserDefinition.createLexer(containingFile.getProject());
final String commentPrefix =
docComment ? commenter.getDocumentationCommentPrefix() : commenter.getBlockCommentPrefix();
lexer.start(
commentText, commentPrefix == null ? 0 : commentPrefix.length(), commentText.length());
QuoteHandler fileTypeHandler = TypedHandler.getQuoteHandler(containingFile, editor);
JavaLikeQuoteHandler javaLikeQuoteHandler =
fileTypeHandler instanceof JavaLikeQuoteHandler
? (JavaLikeQuoteHandler) fileTypeHandler
: null;
while (true) {
IElementType tokenType = lexer.getTokenType();
if (tokenType == null) {
return false;
}
if (javaLikeQuoteHandler != null
&& javaLikeQuoteHandler.getStringTokenTypes() != null
&& javaLikeQuoteHandler.getStringTokenTypes().contains(tokenType)) {
String text = commentText.substring(lexer.getTokenStart(), lexer.getTokenEnd());
int endOffset = comment.getTextRange().getEndOffset();
if (text.endsWith(expectedCommentEnd)
&& endOffset < containingFile.getTextLength()
&& containingFile.getText().charAt(endOffset) == '\n') {
return true;
}
}
if (tokenType == commenter.getDocumentationCommentTokenType()
|| tokenType == commenter.getBlockCommentTokenType()) {
return false;
}
if (tokenType == commenter.getLineCommentTokenType()
&& lexer.getTokenText().contains(commentPrefix)) {
return false;
}
if (lexer.getTokenEnd() == commentText.length()) {
if (tokenType == commenter.getLineCommentTokenType()) {
String prefix = commenter.getLineCommentPrefix();
lexer.start(
commentText,
lexer.getTokenStart() + (prefix == null ? 0 : prefix.length()),
commentText.length());
lexer.advance();
continue;
} else if (isInvalidPsi(comment)) {
return false;
}
return true;
}
lexer.advance();
}
}
