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;
}
@Override
public boolean value(PsiPackage aPackage) {
return JavaPsiFacade.getInstance(aPackage.getProject())
.getNameHelper()
.isQualifiedName(aPackage.getQualifiedName())
&& Character.isLowerCase(aPackage.getName().charAt(0));
}
private static void registerAddImportFixes(
GrReferenceElement refElement, @Nullable HighlightInfo info, final HighlightDisplayKey key) {
final String referenceName = refElement.getReferenceName();
//noinspection ConstantConditions
if (StringUtil.isEmpty(referenceName)) return;
if (!(refElement instanceof GrCodeReferenceElement)
&& Character.isLowerCase(referenceName.charAt(0))) return;
if (refElement.getQualifier() != null) return;
QuickFixAction.registerQuickFixAction(info, new GroovyAddImportAction(refElement), key);
}
public static boolean startWithIgnoreCase(String line, String prefix) {
/**
* this implementation is faster than 'line.toLowerCase().startsWith(prefix)', that's important
* if processing huge log files
*/
int pLen = prefix.length();
if (line.length() < pLen) return false;
for (int i = 0; i < pLen; i++) {
char lineChar = Character.toLowerCase(line.charAt(i));
char prefixChar = prefix.charAt(i);
if (Character.isLetter(prefixChar) && !Character.isLowerCase(prefixChar))
throw new IllegalStateException("Not lower: " + prefix);
if (lineChar != prefixChar) return false;
}
return true;
}
public void keyTyped(char ch) {
if (this.emuSys != null) {
if (this.emuSys.getSwapKeyCharCase()) {
if (Character.isUpperCase(ch)) {
ch = Character.toLowerCase(ch);
} else if (Character.isLowerCase(ch)) {
ch = Character.toUpperCase(ch);
}
}
if (this.emuSys.getConvertKeyCharToISO646DE()) {
this.emuSys.keyTyped(TextUtil.toISO646DE(ch));
} else {
this.emuSys.keyTyped(ch);
}
}
}
public int getPriority() {
return myName == null || Character.isLowerCase(myName.charAt(0)) ? HIGHER : NORMAL;
}
@NotNull
private Pattern getPattern(String pattern) {
if (!Comparing.strEqual(pattern, myPattern)) {
myCompiledPattern = null;
myPattern = pattern;
}
if (myCompiledPattern == null) {
boolean allowToLower = true;
final int eol = pattern.indexOf('\n');
if (eol != -1) {
pattern = pattern.substring(0, eol);
}
if (pattern.length() >= 80) {
pattern = pattern.substring(0, 80);
}
final @NonNls StringBuffer buffer = new StringBuffer();
if (containsOnlyUppercaseLetters(pattern)) {
allowToLower = false;
}
if (allowToLower) {
buffer.append(".*");
}
boolean firstIdentifierLetter = true;
for (int i = 0; i < pattern.length(); i++) {
final char c = pattern.charAt(i);
if (Character.isLetterOrDigit(c)) {
// This logic allows to use uppercase letters only to catch the name like PDM for
// PsiDocumentManager
if (Character.isUpperCase(c) || Character.isDigit(c)) {
if (!firstIdentifierLetter) {
buffer.append("[^A-Z]*");
}
buffer.append("[");
buffer.append(c);
if (allowToLower || i == 0) {
buffer.append('|');
buffer.append(Character.toLowerCase(c));
}
buffer.append("]");
} else if (Character.isLowerCase(c)) {
buffer.append('[');
buffer.append(c);
buffer.append('|');
buffer.append(Character.toUpperCase(c));
buffer.append(']');
} else {
buffer.append(c);
}
firstIdentifierLetter = false;
} else if (c == '*') {
buffer.append(".*");
firstIdentifierLetter = true;
} else if (c == '.') {
buffer.append("\\.");
firstIdentifierLetter = true;
} else if (c == ' ') {
buffer.append("[^A-Z]*\\ ");
firstIdentifierLetter = true;
} else {
firstIdentifierLetter = true;
// for standard RegExp engine
// buffer.append("\\u");
// buffer.append(Integer.toHexString(c + 0x20000).substring(1));
// for OROMATCHER RegExp engine
buffer.append("\\x");
buffer.append(Integer.toHexString(c + 0x20000).substring(3));
}
}
buffer.append(".*");
try {
myCompiledPattern = new Perl5Compiler().compile(buffer.toString());
} catch (MalformedPatternException e) {
// do nothing
}
}
return myCompiledPattern;
}