Add a utility method to StringUtils. (53fb86c4) · Commits · e / os / android_packages_inputmethods_LatinIME

java/src/com/android/inputmethod/latin/BinaryDictionary.java

+1 −7

Original line number	Diff line number	Diff line
		@@ -22,7 +22,6 @@ import android.util.SparseArray;
		import com.android.inputmethod.annotations.UsedForTesting;
		import com.android.inputmethod.keyboard.ProximityInfo;
		import com.android.inputmethod.latin.SuggestedWords.SuggestedWordInfo;
		import com.android.inputmethod.latin.makedict.Word;
		import com.android.inputmethod.latin.settings.NativeSuggestOptions;
		import com.android.inputmethod.latin.utils.CollectionUtils;
		import com.android.inputmethod.latin.utils.JniUtils;
		@@ -352,12 +351,7 @@ public final class BinaryDictionary extends Dictionary {
		public GetNextWordPropertyResult getNextWordProperty(final int token) {
		final int[] codePoints = new int[MAX_WORD_LENGTH];
		final int nextToken = getNextWordNative(mNativeDict, token, codePoints);
		int len = 0;
		// codePoints is null-terminated if its length is shorter than the array length.
		while (len < MAX_WORD_LENGTH && codePoints[len] != 0) {
		++len;
		}
		final String word = new String(codePoints, 0, len);
		final String word = StringUtils.getStringFromNullTerminatedCodePointArray(codePoints);
		return new GetNextWordPropertyResult(getWordProperty(word), nextToken);
		}

java/src/com/android/inputmethod/latin/utils/StringUtils.java

+19 −1

Original line number	Diff line number	Diff line
		@@ -46,7 +46,7 @@ public final class StringUtils {

		public static String newSingleCodePointString(int codePoint) {
		if (Character.charCount(codePoint) == 1) {
		// Optimization: avoid creating an temporary array for characters that are
		// Optimization: avoid creating a temporary array for characters that are
		// represented by a single char value
		return String.valueOf((char) codePoint);
		}
		@@ -205,6 +205,24 @@ public final class StringUtils {
		return codePoints;
		}

		/**
		* Construct a String from a code point array
		*
		* @param codePoints a code point array that is null terminated when its logical length is
		* shorter than the array length.
		* @return a string constructed from the code point array.
		*/
		public static String getStringFromNullTerminatedCodePointArray(final int[] codePoints) {
		int stringLength = codePoints.length;
		for (int i = 0; i < codePoints.length; i++) {
		if (codePoints[i] == 0) {
		stringLength = i;
		break;
		}
		}
		return new String(codePoints, 0 /* offset */, stringLength);
		}

		// This method assumes the text is not null. For the empty string, it returns CAPITALIZE_NONE.
		public static int getCapitalizationType(final String text) {
		// If the first char is not uppercase, then the word is either all lower case or

java/src/com/android/inputmethod/latin/utils/WordProperty.java

+5 −16

Original line number	Diff line number	Diff line
		@@ -61,15 +61,6 @@ public class WordProperty {
		}
		}

		private static int getCodePointCount(final int[] codePoints) {
		for (int i = 0; i < codePoints.length; i++) {
		if (codePoints[i] == 0) {
		return i;
		}
		}
		return codePoints.length;
		}

		// This represents invalid word when the probability is BinaryDictionary.NOT_A_PROBABILITY.
		public WordProperty(final int[] codePoints, final boolean isNotAWord,
		final boolean isBlacklisted, final boolean hasBigram,
		@@ -77,7 +68,7 @@ public class WordProperty {
		final ArrayList<int[]> bigramTargets, final ArrayList<int[]> bigramProbabilityInfo,
		final ArrayList<int[]> shortcutTargets,
		final ArrayList<Integer> shortcutProbabilities) {
		mCodePoints = new String(codePoints, 0 /* offset */, getCodePointCount(codePoints));
		mCodePoints = StringUtils.getStringFromNullTerminatedCodePointArray(codePoints);
		mIsNotAWord = isNotAWord;
		mIsBlacklisted = isBlacklisted;
		mHasBigrams = hasBigram;
		@@ -86,9 +77,8 @@ public class WordProperty {

		final int bigramTargetCount = bigramTargets.size();
		for (int i = 0; i < bigramTargetCount; i++) {
		final int[] bigramTargetCodePointArray = bigramTargets.get(i);
		final String bigramTargetString = new String(bigramTargetCodePointArray,
		0 /* offset */, getCodePointCount(bigramTargetCodePointArray));
		final String bigramTargetString =
		StringUtils.getStringFromNullTerminatedCodePointArray(bigramTargets.get(i));
		final ProbabilityInfo bigramProbability =
		new ProbabilityInfo(bigramProbabilityInfo.get(i));
		mBigramTargets.add(
		@@ -98,9 +88,8 @@ public class WordProperty {

		final int shortcutTargetCount = shortcutTargets.size();
		for (int i = 0; i < shortcutTargetCount; i++) {
		final int[] shortcutTargetCodePointArray = shortcutTargets.get(i);
		final String shortcutTargetString = new String(shortcutTargetCodePointArray,
		0 /* offset */, getCodePointCount(shortcutTargetCodePointArray));
		final String shortcutTargetString =
		StringUtils.getStringFromNullTerminatedCodePointArray(shortcutTargets.get(i));
		mShortcutTargets.add(
		new WeightedString(shortcutTargetString, shortcutProbabilities.get(i)));
		}