am 6a16fa1f: Merge "Refactor KeySpecParser a bit"
* commit '6a16fa1f10ed5d429e5dbca51b552faee495ab2d': Refactor KeySpecParser a bitmain
commit
66cd9da5d3
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@ -56,10 +56,9 @@ public final class KeySpecParser {
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return keySpec.startsWith(KeyboardIconsSet.PREFIX_ICON);
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}
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private static boolean hasCode(final String keySpec) {
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final int end = indexOfLabelEnd(keySpec, 0);
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if (end > 0 && end + 1 < keySpec.length() && keySpec.startsWith(
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KeyboardCodesSet.PREFIX_CODE, end + 1)) {
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private static boolean hasCode(final String keySpec, final int labelEnd) {
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if (labelEnd > 0 && labelEnd + 1 < keySpec.length()
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&& keySpec.startsWith(KeyboardCodesSet.PREFIX_CODE, labelEnd + 1)) {
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return true;
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}
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return false;
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@ -84,16 +83,16 @@ public final class KeySpecParser {
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return sb.toString();
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}
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private static int indexOfLabelEnd(final String keySpec, final int start) {
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if (keySpec.indexOf(BACKSLASH, start) < 0) {
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final int end = keySpec.indexOf(VERTICAL_BAR, start);
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if (end == 0) {
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throw new KeySpecParserError(VERTICAL_BAR + " at " + start + ": " + keySpec);
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private static int indexOfLabelEnd(final String keySpec) {
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if (keySpec.indexOf(BACKSLASH) < 0) {
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final int labelEnd = keySpec.indexOf(VERTICAL_BAR);
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if (labelEnd == 0) {
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throw new KeySpecParserError("Empty label");
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}
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return end;
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return labelEnd;
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}
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final int length = keySpec.length();
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for (int pos = start; pos < length; pos++) {
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for (int pos = 0; pos < length; pos++) {
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final char c = keySpec.charAt(pos);
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if (c == BACKSLASH && pos + 1 < length) {
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// Skip escape char
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@ -105,35 +104,47 @@ public final class KeySpecParser {
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return -1;
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}
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private static String getBeforeLabelEnd(final String keySpec, final int labelEnd) {
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return (labelEnd < 0) ? keySpec : keySpec.substring(0, labelEnd);
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}
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private static String getAfterLabelEnd(final String keySpec, final int labelEnd) {
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return keySpec.substring(labelEnd + /* VERTICAL_BAR */1);
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}
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private static void checkDoubleLabelEnd(final String keySpec, final int labelEnd) {
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if (indexOfLabelEnd(getAfterLabelEnd(keySpec, labelEnd)) < 0) {
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return;
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}
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throw new KeySpecParserError("Multiple " + VERTICAL_BAR + ": " + keySpec);
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}
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public static String getLabel(final String keySpec) {
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if (hasIcon(keySpec)) {
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return null;
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}
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final int end = indexOfLabelEnd(keySpec, 0);
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final String label = (end > 0) ? parseEscape(keySpec.substring(0, end))
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: parseEscape(keySpec);
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final int labelEnd = indexOfLabelEnd(keySpec);
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final String label = parseEscape(getBeforeLabelEnd(keySpec, labelEnd));
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if (label.isEmpty()) {
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throw new KeySpecParserError("Empty label: " + keySpec);
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}
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return label;
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}
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private static String getOutputTextInternal(final String keySpec) {
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final int end = indexOfLabelEnd(keySpec, 0);
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if (end <= 0) {
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private static String getOutputTextInternal(final String keySpec, final int labelEnd) {
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if (labelEnd <= 0) {
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return null;
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}
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if (indexOfLabelEnd(keySpec, end + 1) >= 0) {
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throw new KeySpecParserError("Multiple " + VERTICAL_BAR + ": " + keySpec);
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}
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return parseEscape(keySpec.substring(end + /* VERTICAL_BAR */1));
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checkDoubleLabelEnd(keySpec, labelEnd);
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return parseEscape(getAfterLabelEnd(keySpec, labelEnd));
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}
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public static String getOutputText(final String keySpec) {
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if (hasCode(keySpec)) {
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final int labelEnd = indexOfLabelEnd(keySpec);
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if (hasCode(keySpec, labelEnd)) {
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return null;
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}
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final String outputText = getOutputTextInternal(keySpec);
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final String outputText = getOutputTextInternal(keySpec, labelEnd);
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if (outputText != null) {
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if (StringUtils.codePointCount(outputText) == 1) {
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// If output text is one code point, it should be treated as a code.
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@ -154,14 +165,12 @@ public final class KeySpecParser {
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}
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public static int getCode(final String keySpec, final KeyboardCodesSet codesSet) {
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if (hasCode(keySpec)) {
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final int end = indexOfLabelEnd(keySpec, 0);
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if (indexOfLabelEnd(keySpec, end + 1) >= 0) {
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throw new KeySpecParserError("Multiple " + VERTICAL_BAR + ": " + keySpec);
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}
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return parseCode(keySpec.substring(end + 1), codesSet, CODE_UNSPECIFIED);
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final int labelEnd = indexOfLabelEnd(keySpec);
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if (hasCode(keySpec, labelEnd)) {
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checkDoubleLabelEnd(keySpec, labelEnd);
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return parseCode(getAfterLabelEnd(keySpec, labelEnd), codesSet, CODE_UNSPECIFIED);
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}
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final String outputText = getOutputTextInternal(keySpec);
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final String outputText = getOutputTextInternal(keySpec, labelEnd);
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if (outputText != null) {
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// If output text is one code point, it should be treated as a code.
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// See {@link #getOutputText(String)}.
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@ -171,35 +180,35 @@ public final class KeySpecParser {
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return CODE_OUTPUT_TEXT;
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}
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final String label = getLabel(keySpec);
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// Code is automatically generated for one letter label.
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if (StringUtils.codePointCount(label) == 1) {
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return label.codePointAt(0);
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if (label == null) {
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throw new KeySpecParserError("Empty label: " + keySpec);
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}
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return CODE_OUTPUT_TEXT;
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// Code is automatically generated for one letter label.
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return (StringUtils.codePointCount(label) == 1) ? label.codePointAt(0) : CODE_OUTPUT_TEXT;
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}
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public static int parseCode(final String text, final KeyboardCodesSet codesSet,
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final int defCode) {
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if (text == null) return defCode;
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if (text == null) {
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return defCode;
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}
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if (text.startsWith(KeyboardCodesSet.PREFIX_CODE)) {
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return codesSet.getCode(text.substring(KeyboardCodesSet.PREFIX_CODE.length()));
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} else if (text.startsWith(PREFIX_HEX)) {
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return Integer.parseInt(text.substring(PREFIX_HEX.length()), 16);
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} else {
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return Integer.parseInt(text);
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}
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if (text.startsWith(PREFIX_HEX)) {
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return Integer.parseInt(text.substring(PREFIX_HEX.length()), 16);
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}
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return Integer.parseInt(text);
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}
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public static int getIconId(final String keySpec) {
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if (keySpec != null && hasIcon(keySpec)) {
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final int end = keySpec.indexOf(
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VERTICAL_BAR, KeyboardIconsSet.PREFIX_ICON.length());
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final String name = (end < 0)
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? keySpec.substring(KeyboardIconsSet.PREFIX_ICON.length())
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: keySpec.substring(KeyboardIconsSet.PREFIX_ICON.length(), end);
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return KeyboardIconsSet.getIconId(name);
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if (!hasIcon(keySpec)) {
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return KeyboardIconsSet.ICON_UNDEFINED;
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}
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return KeyboardIconsSet.ICON_UNDEFINED;
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final int labelEnd = indexOfLabelEnd(keySpec);
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final String iconName = getBeforeLabelEnd(keySpec, labelEnd)
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.substring(KeyboardIconsSet.PREFIX_ICON.length());
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return KeyboardIconsSet.getIconId(iconName);
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}
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@SuppressWarnings("serial")
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