public static int toUpperCaseOfCodeForLocale(
final int code, final boolean needsToUpperCase, final Locale locale) {
if (!KeyboardConstants.isLetterCode(code) || !needsToUpperCase) return code;
final String text = new String(new int[] {code}, 0, 1);
final String casedText =
KeySpecParser.toUpperCaseOfStringForLocale(text, needsToUpperCase, locale);
return StringUtils.codePointCount(casedText) == 1 ? casedText.codePointAt(0) : CODE_UNSPECIFIED;
}
static String getOutputText(final String moreKeySpec) {
if (hasCode(moreKeySpec)) {
return null;
}
final String outputText = getOutputTextInternal(moreKeySpec);
if (outputText != null) {
if (StringUtils.codePointCount(outputText) == 1) {
// If output text is one code point, it should be treated as a code.
// See {@link #getCode(Resources, String)}.
return null;
}
if (!TextUtils.isEmpty(outputText)) {
return outputText;
}
throw new KeySpecParserError("Empty outputText: " + moreKeySpec);
}
final String label = getLabel(moreKeySpec);
if (label == null) {
throw new KeySpecParserError("Empty label: " + moreKeySpec);
}
// Code is automatically generated for one letter label. See {@link getCode()}.
return (StringUtils.codePointCount(label) == 1) ? null : label;
}
static int getCode(final String moreKeySpec, final KeyboardCodesSet codesSet) {
if (hasCode(moreKeySpec)) {
final int end = indexOfLabelEnd(moreKeySpec, 0);
if (indexOfLabelEnd(moreKeySpec, end + 1) >= 0) {
throw new KeySpecParserError("Multiple " + VERTICAL_BAR + ": " + moreKeySpec);
}
return parseCode(moreKeySpec.substring(end + 1), codesSet, CODE_UNSPECIFIED);
}
final String outputText = getOutputTextInternal(moreKeySpec);
if (outputText != null) {
// If output text is one code point, it should be treated as a code.
// See {@link #getOutputText(String)}.
if (StringUtils.codePointCount(outputText) == 1) {
return outputText.codePointAt(0);
}
return CODE_OUTPUT_TEXT;
}
final String label = getLabel(moreKeySpec);
// Code is automatically generated for one letter label.
if (StringUtils.codePointCount(label) == 1) {
return label.codePointAt(0);
}
return CODE_OUTPUT_TEXT;
}