private String getCaseCorrectedLookupString(LookupElement item) {
String lookupString = item.getLookupString();
if (item.isCaseSensitive()) {
return lookupString;
}
final String prefix = itemPattern(item);
final int length = prefix.length();
if (length == 0 || !itemMatcher(item).prefixMatches(prefix)) return lookupString;
boolean isAllLower = true;
boolean isAllUpper = true;
boolean sameCase = true;
for (int i = 0; i < length && (isAllLower || isAllUpper || sameCase); i++) {
final char c = prefix.charAt(i);
boolean isLower = Character.isLowerCase(c);
boolean isUpper = Character.isUpperCase(c);
// do not take this kind of symbols into account ('_', '@', etc.)
if (!isLower && !isUpper) continue;
isAllLower = isAllLower && isLower;
isAllUpper = isAllUpper && isUpper;
sameCase = sameCase && isLower == Character.isLowerCase(lookupString.charAt(i));
}
if (sameCase) return lookupString;
if (isAllLower) return lookupString.toLowerCase();
if (isAllUpper) return StringUtil.toUpperCase(lookupString);
return lookupString;
}
public void beforeCompletion(@NotNull CompletionInitializationContext context) {
boolean acceptPathSeparator = false;
{
final int offset = context.getEditor().getCaretModel().getOffset();
PsiElement element = context.getFile().findElementAt(offset);
if (element != null) {
int prefixLength = offset - element.getTextRange().getStartOffset();
BipartiteString caretBipartiteElementText =
splitByPrefixLength(element.getText(), prefixLength);
Character separator = extractDirectoryTrailingFileSeparator(caretBipartiteElementText);
acceptPathSeparator = separator != null;
}
}
final OffsetMap offsetMap = context.getOffsetMap();
int idEnd = offsetMap.getOffset(CompletionInitializationContext.IDENTIFIER_END_OFFSET);
final String text = context.getFile().getText();
while (idEnd < text.length()) {
final char ch = text.charAt(idEnd);
if (acceptPathSeparator) {
if (ch == JstdConfigFileUtils.UNIX_PATH_SEPARATOR
|| ch == JstdConfigFileUtils.WINDOWS_PATH_SEPARATOR) {
idEnd++;
break;
}
}
boolean acceptedChar =
Character.isJavaIdentifierPart(ch) || IDENTIFIER_END_PATTERN.indexOf(ch) >= 0;
if (acceptedChar) {
idEnd++;
} else {
break;
}
}
offsetMap.addOffset(CompletionInitializationContext.IDENTIFIER_END_OFFSET, idEnd);
}
