am 39f4fca8: am 66597f5e: Add deleteWord.
* commit '39f4fca868e9bd4baa501a660daffcf6d51c90b8': Add deleteWord.main
commit
4a617868cc
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@ -201,4 +201,26 @@ public class BinaryDictIOUtils {
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}
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return FormatSpec.NOT_VALID_WORD;
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}
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/**
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* Delete the word from the binary file.
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*
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* @param buffer the buffer to write.
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* @param word the word we delete
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* @throws IOException
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* @throws UnsupportedFormatException
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*/
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public static void deleteWord(final FusionDictionaryBufferInterface buffer,
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final String word) throws IOException, UnsupportedFormatException {
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buffer.position(0);
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final FileHeader header = BinaryDictInputOutput.readHeader(buffer);
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final int wordPosition = getTerminalPosition(buffer, word);
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if (wordPosition == FormatSpec.NOT_VALID_WORD) return;
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buffer.position(wordPosition);
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final int flags = buffer.readUnsignedByte();
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final int newFlags = flags ^ FormatSpec.FLAG_IS_TERMINAL;
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buffer.position(wordPosition);
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buffer.put((byte)newFlags);
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}
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}
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@ -392,7 +392,7 @@ public class BinaryDictInputOutput {
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/**
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* Helper method to check whether the CharGroup has a parent address.
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*/
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private static boolean hasParentAddress(final FormatOptions options) {
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public static boolean hasParentAddress(final FormatOptions options) {
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return options.mVersion >= FormatSpec.FIRST_VERSION_WITH_PARENT_ADDRESS
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&& options.mHasParentAddress;
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}
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@ -25,6 +25,7 @@ import com.android.inputmethod.latin.makedict.FusionDictionary.Node;
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import com.android.inputmethod.latin.makedict.FusionDictionary.WeightedString;
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import android.test.AndroidTestCase;
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import android.test.MoreAsserts;
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import android.util.Log;
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import android.util.SparseArray;
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@ -517,7 +518,7 @@ public class BinaryDictIOTests extends AndroidTestCase {
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public void testGetTerminalPosition() {
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File file = null;
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try {
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file = File.createTempFile("runReadUnigrams", ".dict");
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file = File.createTempFile("testGetTerminalPosition", ".dict");
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} catch (IOException e) {
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// do nothing
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}
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@ -564,4 +565,38 @@ public class BinaryDictIOTests extends AndroidTestCase {
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runGetTerminalPosition(buffer, word, i, false);
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}
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}
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public void testDeleteWord() {
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File file = null;
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try {
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file = File.createTempFile("testGetTerminalPosition", ".dict");
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} catch (IOException e) {
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// do nothing
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}
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assertNotNull(file);
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final FusionDictionary dict = new FusionDictionary(new Node(),
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new FusionDictionary.DictionaryOptions(
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new HashMap<String, String>(), false, false));
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addUnigrams(sWords.size(), dict, sWords, null /* shortcutMap */);
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timeWritingDictToFile(file, dict, VERSION3_WITH_LINKEDLIST_NODE);
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final FusionDictionaryBufferInterface buffer = getBuffer(file, USE_BYTE_ARRAY);
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try {
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MoreAsserts.assertNotEqual(FormatSpec.NOT_VALID_WORD,
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BinaryDictIOUtils.getTerminalPosition(buffer, sWords.get(0)));
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BinaryDictIOUtils.deleteWord(buffer, sWords.get(0));
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assertEquals(FormatSpec.NOT_VALID_WORD,
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BinaryDictIOUtils.getTerminalPosition(buffer, sWords.get(0)));
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MoreAsserts.assertNotEqual(FormatSpec.NOT_VALID_WORD,
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BinaryDictIOUtils.getTerminalPosition(buffer, sWords.get(5)));
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BinaryDictIOUtils.deleteWord(buffer, sWords.get(5));
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assertEquals(FormatSpec.NOT_VALID_WORD,
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BinaryDictIOUtils.getTerminalPosition(buffer, sWords.get(5)));
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} catch (IOException e) {
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} catch (UnsupportedFormatException e) {
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}
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}
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}
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