Add proximity info for the spell checker.
Bug: 5119987 Change-Id: I35700fd8b0ffa6bced428cc6d46b3f64eb251281
This commit is contained in:
Jean Chalard
parent
3a22708e65
commit
f098fbbef3
3 changed files with 116 additions and 4 deletions
|
|
@ -17,6 +17,7 @@
|
|||
package com.android.inputmethod.keyboard;
|
||||
|
||||
import com.android.inputmethod.latin.Utils;
|
||||
import com.android.inputmethod.latin.spellcheck.SpellCheckerProximityInfo;
|
||||
|
||||
import java.util.Arrays;
|
||||
import java.util.Collections;
|
||||
|
|
@ -59,6 +60,15 @@ public class ProximityInfo {
|
|||
return new ProximityInfo(1, 1, 1, 1, 1, Collections.<Key>emptyList());
|
||||
}
|
||||
|
||||
public static ProximityInfo getSpellCheckerProximityInfo() {
|
||||
final ProximityInfo spellCheckerProximityInfo = getDummyProximityInfo();
|
||||
spellCheckerProximityInfo.mNativeProximityInfo =
|
||||
spellCheckerProximityInfo.setProximityInfoNative(
|
||||
SpellCheckerProximityInfo.ROW_SIZE,
|
||||
480, 300, 10, 3, SpellCheckerProximityInfo.PROXIMITY);
|
||||
return spellCheckerProximityInfo;
|
||||
}
|
||||
|
||||
private int mNativeProximityInfo;
|
||||
static {
|
||||
Utils.loadNativeLibrary();
|
||||
|
|
|
|||
|
|
@ -19,7 +19,6 @@ package com.android.inputmethod.latin.spellcheck;
|
|||
import android.content.res.Resources;
|
||||
import android.service.textservice.SpellCheckerService;
|
||||
import android.service.textservice.SpellCheckerService.Session;
|
||||
import android.util.Log;
|
||||
import android.view.textservice.SuggestionsInfo;
|
||||
import android.view.textservice.TextInfo;
|
||||
|
||||
|
|
@ -33,6 +32,7 @@ import com.android.inputmethod.latin.DictionaryFactory;
|
|||
import com.android.inputmethod.latin.Utils;
|
||||
import com.android.inputmethod.latin.WordComposer;
|
||||
|
||||
import java.util.Arrays;
|
||||
import java.util.Collections;
|
||||
import java.util.List;
|
||||
import java.util.LinkedList;
|
||||
|
|
@ -48,7 +48,7 @@ public class AndroidSpellCheckerService extends SpellCheckerService {
|
|||
private static final boolean DBG = true;
|
||||
|
||||
private final static String[] emptyArray = new String[0];
|
||||
private final ProximityInfo mProximityInfo = ProximityInfo.getDummyProximityInfo();
|
||||
private final ProximityInfo mProximityInfo = ProximityInfo.getSpellCheckerProximityInfo();
|
||||
private final Map<String, Dictionary> mDictionaries =
|
||||
Collections.synchronizedMap(new TreeMap<String, Dictionary>());
|
||||
|
||||
|
|
@ -141,8 +141,16 @@ public class AndroidSpellCheckerService extends SpellCheckerService {
|
|||
final WordComposer composer = new WordComposer();
|
||||
final int length = text.length();
|
||||
for (int i = 0; i < length; ++i) {
|
||||
int character = text.codePointAt(i);
|
||||
composer.add(character, new int[] { character },
|
||||
final int character = text.codePointAt(i);
|
||||
final int proximityIndex = SpellCheckerProximityInfo.getIndexOf(character);
|
||||
final int[] proximities;
|
||||
if (-1 == proximityIndex) {
|
||||
proximities = new int[] { character };
|
||||
} else {
|
||||
proximities = Arrays.copyOfRange(SpellCheckerProximityInfo.PROXIMITY,
|
||||
proximityIndex, proximityIndex + SpellCheckerProximityInfo.ROW_SIZE);
|
||||
}
|
||||
composer.add(character, proximities,
|
||||
WordComposer.NOT_A_COORDINATE, WordComposer.NOT_A_COORDINATE);
|
||||
}
|
||||
dictionary.getWords(composer, suggestionsGatherer, mProximityInfo);
|
||||
|
|
|
|||
|
|
@ -0,0 +1,94 @@
|
|||
/*
|
||||
* Copyright (C) 2011 The Android Open Source Project
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
|
||||
* use this file except in compliance with the License. You may obtain a copy of
|
||||
* the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
||||
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
||||
* License for the specific language governing permissions and limitations under
|
||||
* the License.
|
||||
*/
|
||||
|
||||
package com.android.inputmethod.latin.spellcheck;
|
||||
|
||||
import com.android.inputmethod.keyboard.KeyDetector;
|
||||
import com.android.inputmethod.keyboard.ProximityInfo;
|
||||
|
||||
import java.util.Map;
|
||||
import java.util.TreeMap;
|
||||
|
||||
public class SpellCheckerProximityInfo {
|
||||
final private static int NUL = KeyDetector.NOT_A_CODE;
|
||||
|
||||
// This must be the same as MAX_PROXIMITY_CHARS_SIZE else it will not work inside
|
||||
// native code - this value is passed at creation of the binary object and reused
|
||||
// as the size of the passed array afterwards so they can't be different.
|
||||
final public static int ROW_SIZE = ProximityInfo.MAX_PROXIMITY_CHARS_SIZE;
|
||||
|
||||
// This is a map from the code point to the index in the PROXIMITY array.
|
||||
// At the time the native code to read the binary dictionary needs the proximity info be passed
|
||||
// as a flat array spaced by MAX_PROXIMITY_CHARS_SIZE columns, one for each input character.
|
||||
// Since we need to build such an array, we want to be able to search in our big proximity data
|
||||
// quickly by character, and a map is probably the best way to do this.
|
||||
final private static TreeMap<Integer, Integer> INDICES = new TreeMap<Integer, Integer>();
|
||||
|
||||
// The proximity here is the union of
|
||||
// - the proximity for a QWERTY keyboard.
|
||||
// - the proximity for an AZERTY keyboard.
|
||||
// - the proximity for a QWERTZ keyboard.
|
||||
// ...plus, add all characters in the ('a', 'e', 'i', 'o', 'u') set to each other.
|
||||
//
|
||||
// The reasoning behind this construction is, almost any alphabetic text we may want
|
||||
// to spell check has been entered with one of the keyboards above. Also, specifically
|
||||
// to English, many spelling errors consist of the last vowel of the word being wrong
|
||||
// because in English vowels tend to merge with each other in pronunciation.
|
||||
final public static int[] PROXIMITY = {
|
||||
'q', 'w', 's', 'a', 'z', NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL,
|
||||
'w', 'q', 'a', 's', 'd', 'e', 'x', NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL,
|
||||
'e', 'w', 's', 'd', 'f', 'r', 'a', 'i', 'o', 'u', NUL, NUL, NUL, NUL, NUL, NUL,
|
||||
'r', 'e', 'd', 'f', 'g', 't', NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL,
|
||||
't', 'r', 'f', 'g', 'h', 'y', NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL,
|
||||
'y', 't', 'g', 'h', 'j', 'u', 'a', 's', 'd', 'x', NUL, NUL, NUL, NUL, NUL, NUL,
|
||||
'u', 'y', 'h', 'j', 'k', 'i', 'a', 'e', 'o', NUL, NUL, NUL, NUL, NUL, NUL, NUL,
|
||||
'i', 'u', 'j', 'k', 'l', 'o', 'a', 'e', NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL,
|
||||
'o', 'i', 'k', 'l', 'p', 'a', 'e', 'u', NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL,
|
||||
'p', 'o', 'l', NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL,
|
||||
|
||||
'a', 'z', 'x', 's', 'w', 'q', 'e', 'i', 'o', 'u', NUL, NUL, NUL, NUL, NUL, NUL,
|
||||
's', 'q', 'a', 'z', 'x', 'c', 'd', 'e', 'w', NUL, NUL, NUL, NUL, NUL, NUL, NUL,
|
||||
'd', 'w', 's', 'x', 'c', 'v', 'f', 'r', 'e', 'w', NUL, NUL, NUL, NUL, NUL, NUL,
|
||||
'f', 'e', 'd', 'c', 'v', 'b', 'g', 't', 'r', NUL, NUL, NUL, NUL, NUL, NUL, NUL,
|
||||
'g', 'r', 'f', 'v', 'b', 'n', 'h', 'y', 't', NUL, NUL, NUL, NUL, NUL, NUL, NUL,
|
||||
'h', 't', 'g', 'b', 'n', 'm', 'j', 'u', 'y', NUL, NUL, NUL, NUL, NUL, NUL, NUL,
|
||||
'j', 'y', 'h', 'n', 'm', 'k', 'i', 'u', NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL,
|
||||
'k', 'u', 'j', 'm', 'l', 'o', 'i', NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL,
|
||||
'l', 'i', 'k', 'p', 'o', NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL,
|
||||
NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL,
|
||||
|
||||
'z', 'a', 's', 'd', 'x', 't', 'g', 'h', 'j', 'u', 'q', 'e', NUL, NUL, NUL, NUL,
|
||||
'x', 'z', 'a', 's', 'd', 'c', NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL,
|
||||
'c', 'x', 's', 'd', 'f', 'v', NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL,
|
||||
'v', 'c', 'd', 'f', 'g', 'b', NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL,
|
||||
'b', 'v', 'f', 'g', 'h', 'n', NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL,
|
||||
'n', 'b', 'g', 'h', 'j', 'm', NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL,
|
||||
'm', 'n', 'h', 'j', 'k', 'l', 'o', 'p', NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL,
|
||||
NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL,
|
||||
NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL,
|
||||
NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL, NUL,
|
||||
};
|
||||
static {
|
||||
for (int i = 0; i < PROXIMITY.length; i += ROW_SIZE) {
|
||||
if (NUL != PROXIMITY[i]) INDICES.put(PROXIMITY[i], i);
|
||||
}
|
||||
}
|
||||
public static int getIndexOf(int characterCode) {
|
||||
final Integer result = INDICES.get(characterCode);
|
||||
if (null == result) return -1;
|
||||
return result;
|
||||
}
|
||||
}
|
||||
Loading…
Reference in a new issue