am 5bf55a86: Return null if "!text/" reference is an empty text
* commit '5bf55a86d0dd55ade42833fdb7cf654b2aeddb4e': Return null if "!text/" reference is an empty textmain
commit
2b1e904195
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@ -78,10 +78,10 @@ public final class KeySpecParser {
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* or has no key specifications.
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*/
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public static String[] splitKeySpecs(final String text) {
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final int size = text.length();
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if (size == 0) {
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if (TextUtils.isEmpty(text)) {
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return null;
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}
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final int size = text.length();
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// Optimization for one-letter key specification.
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if (size == 1) {
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return text.charAt(0) == COMMA ? null : new String[] { text };
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@ -380,6 +380,9 @@ public final class KeySpecParser {
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public static String resolveTextReference(final String rawText,
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final KeyboardTextsSet textsSet) {
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if (TextUtils.isEmpty(rawText)) {
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return null;
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}
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int level = 0;
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String text = rawText;
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StringBuilder sb;
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@ -392,7 +395,7 @@ public final class KeySpecParser {
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final int prefixLen = PREFIX_TEXT.length();
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final int size = text.length();
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if (size < prefixLen) {
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return text;
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return TextUtils.isEmpty(text) ? null : text;
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}
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sb = null;
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@ -421,7 +424,7 @@ public final class KeySpecParser {
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text = sb.toString();
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}
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} while (sb != null);
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return text;
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return TextUtils.isEmpty(text) ? null : text;
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}
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private static int searchTextNameEnd(final String text, final int start) {
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@ -116,6 +116,16 @@ public class KeySpecParserSplitTests extends InstrumentationTestCase {
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private static final String SURROGATE1 = PAIR1 + PAIR2;
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private static final String SURROGATE2 = PAIR1 + PAIR2 + PAIR3;
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public void testResolveNullText() {
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assertNull("resolve null", KeySpecParser.resolveTextReference(
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null, mTextsSet));
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}
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public void testResolveEmptyText() {
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assertNull("resolve empty text", KeySpecParser.resolveTextReference(
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"!text/empty_string", mTextsSet));
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}
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public void testSplitZero() {
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assertTextArray("Empty string", "");
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assertTextArray("Empty entry", ",");
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