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Merge "Make use of the FULL_EDIT_DISTANCE flag."

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This commit is contained in:
Jean Chalard 2011-09-30 00:41:14 -07:00 committed by Android (Google) Code Review
commit 646a66159a
3 changed files with 48 additions and 7 deletions
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14
java/src/com/android/inputmethod/latin/BinaryDictionary.java
View file

@ -61,16 +61,26 @@ public class BinaryDictionary extends Dictionary {
public static final Flag FLAG_REQUIRES_GERMAN_UMLAUT_PROCESSING =
new Flag(R.bool.config_require_umlaut_processing, 0x1);
// FULL_EDIT_DISTANCE is a flag that forces the dictionary to use full words
// when computing edit distance, instead of the default behavior of stopping
// the evaluation at the size the user typed.
public static final Flag FLAG_USE_FULL_EDIT_DISTANCE = new Flag(0x2);
// Can create a new flag from extravalue :
// public static final Flag FLAG_MYFLAG =
// new Flag("my_flag", 0x02);
private static final Flag[] ALL_FLAGS = {
// ALL_CONFIG_FLAGS is a collection of flags that enable reading all flags from configuration.
// This is but a mask - it does not mean the flags will be on, only that the configuration
// will be read for this particular flag.
public static final Flag[] ALL_CONFIG_FLAGS = {
// Here should reside all flags that trigger some special processing
// These *must* match the definition in UnigramDictionary enum in
// unigram_dictionary.h so please update both at the same time.
// Please note that flags created with a resource are of type CONFIG while flags
// created with a string are of type EXTRAVALUE. These behave like masks, and the
// actual value will be read from the configuration/extra value at run time for
// the configuration at dictionary creation time.
FLAG_REQUIRES_GERMAN_UMLAUT_PROCESSING,
};
@ -93,7 +103,7 @@ public class BinaryDictionary extends Dictionary {
// the Suggest class knows everything about every single dictionary.
mDicTypeId = Suggest.DIC_MAIN;
// TODO: Stop relying on the state of SubtypeSwitcher, get it as a parameter
mFlags = Flag.initFlags(null == flagArray ? ALL_FLAGS : flagArray, context,
mFlags = Flag.initFlags(null == flagArray ? ALL_CONFIG_FLAGS : flagArray, context,
SubtypeSwitcher.getInstance());
loadDictionary(filename, offset, length);
}

25
java/src/com/android/inputmethod/latin/DictionaryFactory.java
View file

@ -34,7 +34,7 @@ public class DictionaryFactory {
private static String TAG = DictionaryFactory.class.getSimpleName();
/**
* Initializes a dictionary from a dictionary pack.
* Initializes a dictionary from a dictionary pack, with explicit flags.
*
* This searches for a content provider providing a dictionary pack for the specified
* locale. If none is found, it falls back to using the resource passed as fallBackResId
@ -42,10 +42,11 @@ public class DictionaryFactory {
* @param context application context for reading resources
* @param locale the locale for which to create the dictionary
* @param fallbackResId the id of the resource to use as a fallback if no pack is found
* @param flagArray an array of flags to use
* @return an initialized instance of DictionaryCollection
*/
public static DictionaryCollection createDictionaryFromManager(Context context, Locale locale,
int fallbackResId) {
public static DictionaryCollection createDictionaryFromManager(final Context context,
final Locale locale, final int fallbackResId, final Flag[] flagArray) {
if (null == locale) {
Log.e(TAG, "No locale defined for dictionary");
return new DictionaryCollection(createBinaryDictionary(context, fallbackResId, locale));
@ -57,7 +58,7 @@ public class DictionaryFactory {
if (null != assetFileList) {
for (final AssetFileAddress f : assetFileList) {
final BinaryDictionary binaryDictionary =
new BinaryDictionary(context, f.mFilename, f.mOffset, f.mLength, null);
new BinaryDictionary(context, f.mFilename, f.mOffset, f.mLength, flagArray);
if (binaryDictionary.isValidDictionary()) {
dictList.add(binaryDictionary);
}
@ -70,6 +71,22 @@ public class DictionaryFactory {
return new DictionaryCollection(dictList);
}
/**
* Initializes a dictionary from a dictionary pack, with default flags.
*
* This searches for a content provider providing a dictionary pack for the specified
* locale. If none is found, it falls back to using the resource passed as fallBackResId
* as a dictionary.
* @param context application context for reading resources
* @param locale the locale for which to create the dictionary
* @param fallbackResId the id of the resource to use as a fallback if no pack is found
* @return an initialized instance of DictionaryCollection
*/
public static DictionaryCollection createDictionaryFromManager(final Context context,
final Locale locale, final int fallbackResId) {
return createDictionaryFromManager(context, locale, fallbackResId, null);
}
/**
* Initializes a dictionary from a raw resource file
* @param context application context for reading resources

16
java/src/com/android/inputmethod/latin/spellcheck/AndroidSpellCheckerService.java
View file

@ -28,11 +28,13 @@ import android.text.TextUtils;
import com.android.inputmethod.compat.ArraysCompatUtils;
import com.android.inputmethod.keyboard.Key;
import com.android.inputmethod.keyboard.ProximityInfo;
import com.android.inputmethod.latin.BinaryDictionary;
import com.android.inputmethod.latin.Dictionary;
import com.android.inputmethod.latin.Dictionary.DataType;
import com.android.inputmethod.latin.Dictionary.WordCallback;
import com.android.inputmethod.latin.DictionaryCollection;
import com.android.inputmethod.latin.DictionaryFactory;
import com.android.inputmethod.latin.Flag;
import com.android.inputmethod.latin.LocaleUtils;
import com.android.inputmethod.latin.R;
import com.android.inputmethod.latin.SynchronouslyLoadedUserDictionary;
@ -65,6 +67,17 @@ public class AndroidSpellCheckerService extends SpellCheckerService {
private final static SuggestionsInfo IN_DICT_EMPTY_SUGGESTIONS =
new SuggestionsInfo(SuggestionsInfo.RESULT_ATTR_IN_THE_DICTIONARY,
EMPTY_STRING_ARRAY);
private final static Flag[] USE_FULL_EDIT_DISTANCE_FLAG_ARRAY;
static {
// See BinaryDictionary.java for an explanation of these flags
// Specifially, ALL_CONFIG_FLAGS means that we want to consider all flags with the
// current dictionary configuration - for example, consider the UMLAUT flag
// so that it will be turned on for German dictionaries and off for others.
USE_FULL_EDIT_DISTANCE_FLAG_ARRAY = Arrays.copyOf(BinaryDictionary.ALL_CONFIG_FLAGS,
BinaryDictionary.ALL_CONFIG_FLAGS.length + 1);
USE_FULL_EDIT_DISTANCE_FLAG_ARRAY[BinaryDictionary.ALL_CONFIG_FLAGS.length] =
BinaryDictionary.FLAG_USE_FULL_EDIT_DISTANCE;
}
private Map<String, DictionaryPool> mDictionaryPools =
Collections.synchronizedMap(new TreeMap<String, DictionaryPool>());
private Map<String, Dictionary> mUserDictionaries =
@ -263,7 +276,8 @@ public class AndroidSpellCheckerService extends SpellCheckerService {
final Resources resources = getResources();
final int fallbackResourceId = Utils.getMainDictionaryResourceId(resources);
final DictionaryCollection dictionaryCollection =
DictionaryFactory.createDictionaryFromManager(this, locale, fallbackResourceId);
DictionaryFactory.createDictionaryFromManager(this, locale, fallbackResourceId,
USE_FULL_EDIT_DISTANCE_FLAG_ARRAY);
final String localeStr = locale.toString();
Dictionary userDict = mUserDictionaries.get(localeStr);
if (null == userDict) {