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1 /*
2  * Copyright (C) 2014 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package com.android.inputmethod.keyboard.layout;
18 
19 import static com.android.inputmethod.keyboard.layout.DevanagariLetterConstants.*;
20 
21 import com.android.inputmethod.keyboard.KeyboardId;
22 import com.android.inputmethod.keyboard.layout.customizer.LayoutCustomizer;
23 import com.android.inputmethod.keyboard.layout.expected.ExpectedKey;
24 import com.android.inputmethod.keyboard.layout.expected.ExpectedKeyboardBuilder;
25 
26 /**
27  * The Hindi keyboard.
28  */
29 public final class Hindi extends LayoutBase {
30     private static final String LAYOUT_NAME = "hindi";
31 
Hindi(final LayoutCustomizer customizer)32     public Hindi(final LayoutCustomizer customizer) {
33         super(customizer, HindiSymbols.class, SymbolsShifted.class);
34     }
35 
36     @Override
getName()37     public String getName() { return LAYOUT_NAME; }
38 
39     @Override
getCommonAlphabetLayout(boolean isPhone)40     ExpectedKey[][] getCommonAlphabetLayout(boolean isPhone) { return ALPHABET_COMMON; }
41 
42     @Override
getCommonAlphabetShiftLayout(boolean isPhone, final int elementId)43     ExpectedKey[][] getCommonAlphabetShiftLayout(boolean isPhone, final int elementId) {
44         if (elementId == KeyboardId.ELEMENT_ALPHABET_AUTOMATIC_SHIFTED) {
45             return getCommonAlphabetLayout(isPhone);
46         }
47         return ALPHABET_SHIFTED_COMMON;
48     }
49 
50     private static final ExpectedKey[][] ALPHABET_COMMON = new ExpectedKeyboardBuilder()
51             .setKeysOfRow(1,
52                     // U+094C: "ौ" DEVANAGARI VOWEL SIGN AU
53                     // U+094C/U+0902: "ौं" DEVANAGARI VOWEL SIGN AU/DEVANAGARI SIGN ANUSVARA
54                     // U+0967: "१" DEVANAGARI DIGIT ONE
55                     key(VOWEL_SIGN_AU, "\u094C", joinMoreKeys(
56                             moreKey(VOWEL_SIGN_AU + "\u0902", "\u094C\u0902"),
57                             "\u0967", "1")),
58                     // U+0948: "ै" DEVANAGARI VOWEL SIGN AI
59                     // U+0948/U+0902: "ैं" DEVANAGARI VOWEL SIGN AI/DEVANAGARI SIGN ANUSVARA
60                     // U+0968: "२" DEVANAGARI DIGIT TWO
61                     key(VOWEL_SIGN_AI, "\u0948", joinMoreKeys(
62                             moreKey(VOWEL_SIGN_AI + "\u0902", "\u0948\u0902"),
63                             "\u0968", "2")),
64                     // U+093E: "ा" DEVANAGARI VOWEL SIGN AA
65                     // U+093E/U+0902: "ां" DEVANAGARI VOWEL SIGN AA/DEVANAGARI SIGN ANUSVARA
66                     // U+093E/U+0901: "ाँ" DEVANAGARI VOWEL SIGN AA/DEVANAGARI SIGN CANDRABINDU
67                     // U+0969: "३" DEVANAGARI DIGIT THREE
68                     key(VOWEL_SIGN_AA, "\u093E", joinMoreKeys(
69                             moreKey(VOWEL_SIGN_AA + "\u0902", "\u093E\u0902"),
70                             moreKey(VOWEL_SIGN_AA + "\u0901", "\u093E\u0901"),
71                             "\u0969", "3")),
72                     // U+0940: "ी" DEVANAGARI VOWEL SIGN II
73                     // U+0940/U+0902: "ीं" DEVANAGARI VOWEL SIGN II/DEVANAGARI SIGN ANUSVARA
74                     // U+096A: "४" DEVANAGARI DIGIT FOUR
75                     key(VOWEL_SIGN_II, "\u0940", joinMoreKeys(
76                             moreKey(VOWEL_SIGN_II + "\u0902", "\u0940\u0902"),
77                             "\u096A", "4")),
78                     // U+0942: "ू" DEVANAGARI VOWEL SIGN UU
79                     // U+0942/U+0902: "ूं" DEVANAGARI VOWEL SIGN UU/DEVANAGARI SIGN ANUSVARA
80                     // U+0942/U+0901: "ूँ" DEVANAGARI VOWEL SIGN UU/DEVANAGARI SIGN CANDRABINDU
81                     // U+096B: "५" DEVANAGARI DIGIT FIVE
82                     key(VOWEL_SIGN_UU, "\u0942", joinMoreKeys(
83                             moreKey(VOWEL_SIGN_UU + "\u0902", "\u0942\u0902"),
84                             moreKey(VOWEL_SIGN_UU + "\u0901", "\u0942\u0901"),
85                             "\u096B", "5")),
86                     // U+092C: "ब" DEVANAGARI LETTER BA
87                     // U+092C/U+0952: "ब॒" DEVANAGARI LETTER BA/DEVANAGARI STRESS SIGN ANUDATTA
88                     // U+096C: "६" DEVANAGARI DIGIT SIX
89                     key("\u092C", joinMoreKeys("\u092C\u0952", "\u096C", "6")),
90                     // U+0939: "ह" DEVANAGARI LETTER HA
91                     // U+096D: "७" DEVANAGARI DIGIT SEVEN
92                     key("\u0939", joinMoreKeys("\u096D", "7")),
93                     // U+0917: "ग" DEVANAGARI LETTER GA
94                     // U+091C/U+094D/U+091E:
95                     //     "ज्ञ" DEVANAGARI LETTER JA/DEVANAGARI SIGN VIRAMA/DEVANAGARI LETTER NYA
96                     // U+0917/U+093C: "ग़" DEVANAGARI LETTER GA/DEVANAGARI SIGN NUKTA
97                     // U+0917/U+0952: "ग॒" DEVANAGARI LETTER GA/DEVANAGARI STRESS SIGN ANUDATTA
98                     // U+096E: "८" DEVANAGARI DIGIT EIGHT
99                     key("\u0917", joinMoreKeys("\u091C\u094D\u091E", "\u0917\u093C", "\u0917\u0952",
100                             "\u096E", "8")),
101                     // U+0926: "द" DEVANAGARI LETTER DA
102                     // U+096F: "९" DEVANAGARI DIGIT NINE
103                     key("\u0926", joinMoreKeys("\u096F", "9")),
104                     // U+091C: "ज" DEVANAGARI LETTER JA
105                     // U+091C/U+0952: "ज॒" DEVANAGARI LETTER JA/DEVANAGARI STRESS SIGN ANUDATTA
106                     // U+091C/U+094D/U+091E:
107                     //     "ज्ञ" DEVANAGARI LETTER JA/DEVANAGARI SIGN VIRAMA/DEVANAGARI LETTER NYA
108                     // U+091C/U+093C: "ज़" DEVANAGARI LETTER JA/DEVANAGARI SIGN NUKTA
109                     // U+0966: "०" DEVANAGARI DIGIT ZERO
110                     key("\u091C", joinMoreKeys("\u091C\u0952", "\u091C\u094D\u091E", "\u091C\u093C",
111                             "\u0966", "0")),
112                     // U+0921: "ड" DEVANAGARI LETTER DDA
113                     // U+0921/U+0952: "ड॒" DEVANAGARI LETTER DDA/DEVANAGARI STRESS SIGN ANUDATTA
114                     // U+0921/U+093C: "ड़" DEVANAGARI LETTER DDA/DEVANAGARI SIGN NUKTA
115                     key("\u0921", joinMoreKeys("\u0921\u0952", "\u0921\u093C")))
116             .setKeysOfRow(2,
117                     // U+094B: "ो" DEVANAGARI VOWEL SIGN O
118                     // U+094B/U+0902: "қं" DEVANAGARI VOWEL SIGN O/DEVANAGARI SIGN ANUSVARA
119                     // U+0949: "ॉ" DEVANAGARI VOWEL SIGN CANDRA O
120                     // U+094A: "ॊ" DEVANAGARI VOWEL SIGN SHORT O
121                     key(VOWEL_SIGN_O, "\u094B", joinMoreKeys(
122                             moreKey(VOWEL_SIGN_O + "\u0902", "\u094B\u0902"),
123                             moreKey(VOWEL_SIGN_CANDRA_O, "\u0949"),
124                             moreKey(VOWEL_SIGN_SHORT_O, "\u094A"))),
125                     // U+0947: "े" DEVANAGARI VOWEL SIGN E
126                     // U+0947/U+0902: "ें" DEVANAGARI VOWEL SIGN E/DEVANAGARI SIGN ANUSVARA
127                     key(VOWEL_SIGN_E, "\u0947",
128                             moreKey(VOWEL_SIGN_E + "\u0902", "\u0947\u0902")),
129                     // U+094D: "्" DEVANAGARI SIGN VIRAMA
130                     key(SIGN_VIRAMA, "\u094D"),
131                     // U+093F: "ि" DEVANAGARI VOWEL SIGN I
132                     // U+093F/U+0902: "िं" DEVANAGARI VOWEL SIGN I/DEVANAGARI SIGN ANUSVARA
133                     key(VOWEL_SIGN_I, "\u093F",
134                             moreKey("\u093F" + SIGN_ANUSVARA, "\u093F\u0902")),
135                     // U+0941: "ु" DEVANAGARI VOWEL SIGN U
136                     // U+0941/U+0902: "ुं" DEVANAGARI VOWEL SIGN U/DEVANAGARI SIGN ANUSVARA
137                     // U+0941/U+0901: "ुँ" DEVANAGARI VOWEL SIGN U/DEVANAGARI SIGN CANDRABINDU
138                     key(VOWEL_SIGN_U, "\u0941", joinMoreKeys(
139                             moreKey(VOWEL_SIGN_U + "\u0902", "\u0941\u0902"),
140                             moreKey(VOWEL_SIGN_U + "\u0901", "\u0941\u0901"))),
141                     // U+092A: "प" DEVANAGARI LETTER PA
142                     "\u092A",
143                     // U+0930: "र" DEVANAGARI LETTER RA
144                     // U+090B: "ऋ" DEVANAGARI LETTER VOCALIC R
145                     // U+0930/U+093C: "ऱ" DEVANAGARI LETTER RA/DEVANAGARI SIGN NUKTA
146                     // U+0960: "ॠ" DEVANAGARI LETTER VOCALIC RR
147                     key("\u0930", joinMoreKeys("\u090B", "\u0930\u093C", "\u0960")),
148                     // U+0915: "क" DEVANAGARI LETTER KA
149                     // U+0915/U+093C: "क़" DEVANAGARI LETTER KA/DEVANAGARI SIGN NUKTA
150                     key("\u0915", moreKey("\u0915\u093C")),
151                     // U+0924: "त" DEVANAGARI LETTER TA
152                     // U+0924/U+094D/U+0930:
153                     //     "त्र" DEVANAGARI LETTER TA/DEVANAGARI SIGN VIRAMA/DEVANAGARI LETTER RA
154                     key("\u0924", moreKey("\u0924\u094D\u0930")),
155                     // U+091A: "च" DEVANAGARI LETTER CA
156                     // U+091F: "ट" DEVANAGARI LETTER TTA
157                     "\u091A","\u091F")
158             .setKeysOfRow(3,
159                     // U+0949: "ॉ" DEVANAGARI VOWEL SIGN CANDRA O
160                     key(VOWEL_SIGN_CANDRA_O, "\u0949"),
161                     // U+0902: "ं" DEVANAGARI SIGN ANUSVARA
162                     key(SIGN_ANUSVARA, "\u0902"),
163                     // U+092E: "म" DEVANAGARI LETTER MA
164                     // U+0950: "ॐ" DEVANAGARI OM
165                     key("\u092E", moreKey("\u0950")),
166                     // U+0928: "न" DEVANAGARI LETTER NA
167                     // U+091E: "ञ" DEVANAGARI LETTER NYA
168                     // U+0919: "ङ" DEVANAGARI LETTER NGA
169                     // U+0928/U+093C: "ऩ" DEVANAGARI LETTER NA/DEVANAGARI SIGN NUKTA
170                     key("\u0928", joinMoreKeys("\u091E", "\u0919", "\u0928\u093C")),
171                     // U+0935: "व" DEVANAGARI LETTER VA
172                     "\u0935",
173                     // U+0932: "ल" DEVANAGARI LETTER LA
174                     // U+090C: "ऌ" DEVANAGARI LETTER VOCALIC L
175                     // U+0961: "ॡ" DEVANAGARI LETTER VOCALIC LL
176                     key("\u0932", joinMoreKeys("\u090C", "\u0961")),
177                     // U+0938: "स" DEVANAGARI LETTER SA
178                     "\u0938",
179                     // U+092F: "य" DEVANAGARI LETTER YA
180                     // U+095F: "य़" DEVANAGARI LETTER YYA
181                     key("\u092F", moreKey("\u095F")),
182                     // U+093C: "़" DEVANAGARI SIGN NUKTA
183                     // U+097D: "ॽ" DEVANAGARI LETTER GLOTTAL STOP
184                     // U+0970: "॰" DEVANAGARI ABBREVIATION SIGN
185                     // U+093D: "ऽ" DEVANAGARI SIGN AVAGRAHA
186                     key(SIGN_NUKTA, "\u093C", joinMoreKeys(
187                             moreKey(LETTER_GLOTTAL_STOP, "\u097D"),
188                             moreKey(ABBREVIATION_SIGN, "\u0970"),
189                             moreKey(SIGN_AVAGRAHA, "\u093D"))))
190             .build();
191 
192     private static final ExpectedKey[][] ALPHABET_SHIFTED_COMMON = new ExpectedKeyboardBuilder()
193             .setKeysOfRow(1,
194                     // U+0914: "औ" DEVANAGARI LETTER AU
195                     // U+0912/U+0902: "ऒं" DEVANAGARI LETTER SHORT O//DEVANAGARI SIGN ANUSVARA
196                     key("\u0914", moreKey("\u0912\u0902")),
197                     // U+0910: "ऐ" DEVANAGARI LETTER AI
198                     // U+0910/U+0902: "ऐं" DEVANAGARI LETTER AI/DEVANAGARI SIGN ANUSVARA
199                     key("\u0910", moreKey("\u0910\u0902")),
200                     // U+0906: "आ" DEVANAGARI LETTER AA
201                     // U+0906/U+0902: "आं" DEVANAGARI LETTER AA/DEVANAGARI SIGN ANUSVARA
202                     // U+0906/U+0901: "आँ" DEVANAGARI LETTER AA/DEVANAGARI SIGN CANDRABINDU
203                     key("\u0906", joinMoreKeys("\u0906\u0902", "\u0906\u0901")),
204                     // U+0908: "ई" DEVANAGARI LETTER II
205                     // U+0908/U+0902: "ईं" DEVANAGARI LETTER II/DEVANAGARI SIGN ANUSVARA
206                     key("\u0908", moreKey("\u0908\u0902")),
207                     // U+090A: "ऊ" DEVANAGARI LETTER UU
208                     // U+090A/U+0902: "ऊं" DEVANAGARI LETTER UU/DEVANAGARI SIGN ANUSVARA
209                     // U+090A/U+0901: "ऊँ" DEVANAGARI LETTER UU/DEVANAGARI SIGN CANDRABINDU
210                     key("\u090A", joinMoreKeys("\u090A\u0902", "\u090A\u0901")),
211                     // U+092D: "भ" DEVANAGARI LETTER BHA
212                     // U+0903: "ः" DEVANAGARI SIGN VISARGA
213                     // U+0918: "घ" DEVANAGARI LETTER GHA
214                     "\u092D", key(SIGN_VISARGA, "\u0903"), "\u0918",
215                     // U+0927: "ध" DEVANAGARI LETTER DHA
216                     // U+0915/U+094D/U+0937:
217                     //     "क्ष" DEVANAGARI LETTER KA/DEVANAGARI SIGN VIRAMA/DEVANAGARI LETTER SSA
218                     // U+0936/U+094D/U+0930:
219                     //     "श्र" DEVANAGARI LETTER SHA/DEVANAGARI SIGN VIRAMA/DEVANAGARI LETTER RA
220                     key("\u0927", joinMoreKeys("\u0915\u094D\u0937", "\u0936\u094D\u0930")),
221                     // U+091D: "झ" DEVANAGARI LETTER JHA
222                     // U+0922: "ढ" DEVANAGARI LETTER DDHA
223                     "\u091D", "\u0922")
224             .setKeysOfRow(2,
225                     // U+0913: "ओ" DEVANAGARI LETTER O
226                     // U+0913/U+0902: "ओं" DEVANAGARI LETTER O/DEVANAGARI SIGN ANUSVARA
227                     // U+0911: "ऑ" DEVANAGARI LETTER CANDRA O
228                     // U+0912: "ऒ" DEVANAGARI LETTER SHORT O
229                     key("\u0913", joinMoreKeys("\u0913\u0902", "\u0911", "\u0912")),
230                     // U+090F: "ए" DEVANAGARI LETTER E
231                     // U+090F/U+0902: "एं" DEVANAGARI LETTER E/DEVANAGARI SIGN ANUSVARA
232                     // U+090F/U+0901: "एँ" DEVANAGARI LETTER E/DEVANAGARI SIGN CANDRABINDU
233                     // U+090D: "ऍ" DEVANAGARI LETTER CANDRA E
234                     // U+090E: "ऎ" DEVANAGARI LETTER SHORT E
235                     key("\u090F", joinMoreKeys("\u090F\u0902", "\u090F\u0901", "\u090D", "\u090E")),
236                     // U+0905: "अ" DEVANAGARI LETTER A
237                     // U+0905/U+0902: "अं" DEVANAGARI LETTER A/DEVANAGARI SIGN ANUSVARA
238                     // U+0905/U+0901: "अँ" DEVANAGARI LETTER A/DEVANAGARI SIGN CANDRABINDU
239                     key("\u0905", joinMoreKeys("\u0905\u0902", "\u0905\u0901")),
240                     // U+0907: "इ" DEVANAGARI LETTER I
241                     // U+0907/U+0902: "इं" DEVANAGARI LETTER I/DEVANAGARI SIGN ANUSVARA
242                     // U+0907/U+0901: "इं" DEVANAGARI LETTER I/DEVANAGARI SIGN CANDRABINDU
243                     key("\u0907", joinMoreKeys("\u0907\u0902", "\u0907\u0901")),
244                     // U+0909: "उ" DEVANAGARI LETTER U
245                     // U+0909/U+0902: "उं" DEVANAGARI LETTER U/DEVANAGARI SIGN ANUSVARA
246                     // U+0909/U+0901: "उँ" DEVANAGARI LETTER U/DEVANAGARI SIGN CANDRABINDU
247                     key("\u0909", joinMoreKeys("\u0909\u0902", "\u0909\u0901")),
248                     // U+092B: "फ" DEVANAGARI LETTER PHA
249                     // U+092B/U+093C: "फ़" DEVANAGARI LETTER PHA/DEVANAGARI SIGN NUKTA
250                     key("\u092B", moreKey("\u092B\u093C")),
251                     // U+0931: "ऱ" DEVANAGARI LETTER RRA
252                     // U+094D/U+0930: "्र" DEVANAGARI SIGN VIRAMA/DEVANAGARI LETTER RA
253                     // U+0930/U+094D: "र्" DEVANAGARI LETTER RA/DEVANAGARI SIGN VIRAMA
254                     key("\u0931", joinMoreKeys("\u094D\u0930", "\u0930\u094D")),
255                     // U+0916: "ख" DEVANAGARI LETTER KHA
256                     // U+0916/U+093C: "ख़" DEVANAGARI LETTER KHA/DEVANAGARI SIGN NUKTA
257                     key("\u0916", moreKey("\u0916\u093C")),
258                     // U+0925: "थ" DEVANAGARI LETTER THA
259                     // U+091B: "छ" DEVANAGARI LETTER CHA
260                     // U+0920: "ठ" DEVANAGARI LETTER TTHA
261                     "\u0925", "\u091B", "\u0920")
262             .setKeysOfRow(3,
263                     // U+0911: "ऑ" DEVANAGARI LETTER CANDRA O
264                     "\u0911",
265                     // U+0901: "ँ" DEVANAGARI SIGN CANDRABINDU
266                     // U+0945: "ॅ" DEVANAGARI VOWEL SIGN CANDRA E
267                     key(SIGN_CANDRABINDU, "\u0901", moreKey(VOWEL_SIGN_CANDRA_E, "\u0945")),
268                     // U+0923: "ण" DEVANAGARI LETTER NNA
269                     // U+0929: "ऩ" DEVANAGARI LETTER NNNA
270                     "\u0923", "\u0929",
271                     // U+0933: "ळ" DEVANAGARI LETTER LLA
272                     // U+0934: "ऴ" DEVANAGARI LETTER LLLA
273                     key("\u0933", moreKey("\u0934")),
274                     // U+0936: "श" DEVANAGARI LETTER SHA
275                     // U+0937: "ष" DEVANAGARI LETTER SSA
276                     "\u0936", "\u0937",
277                     // U+0943: "ृ" DEVANAGARI VOWEL SIGN VOCALIC R
278                     // U+0944: "ॄ" DEVANAGARI VOWEL SIGN VOCALIC RR
279                     key(VOWEL_SIGN_VOCALIC_R, "\u0943", moreKey(VOWEL_SIGN_VOCALIC_RR, "\u0944")),
280                     // U+091E: "ञ" DEVANAGARI LETTER NYA
281                     "\u091E")
282             .build();
283 
284     static class HindiSymbols extends Symbols {
HindiSymbols(final LayoutCustomizer customizer)285         public HindiSymbols(final LayoutCustomizer customizer) {
286             super(customizer);
287         }
288 
289         @Override
getLayout(final boolean isPhone)290         public ExpectedKey[][] getLayout(final boolean isPhone) {
291             return new ExpectedKeyboardBuilder(super.getLayout(isPhone))
292                     // U+0967: "१" DEVANAGARI DIGIT ONE
293                     // U+00B9: "¹" SUPERSCRIPT ONE
294                     // U+00BD: "½" VULGAR FRACTION ONE HALF
295                     // U+2153: "⅓" VULGAR FRACTION ONE THIRD
296                     // U+00BC: "¼" VULGAR FRACTION ONE QUARTER
297                     // U+215B: "⅛" VULGAR FRACTION ONE EIGHTH
298                     .replaceKeyOfLabel("1", key("\u0967",
299                             joinMoreKeys("1", "\u00B9", "\u00BD", "\u2153", "\u00BC", "\u215B")))
300                     // U+0968: "२" DEVANAGARI DIGIT TWO
301                     // U+00B2: "²" SUPERSCRIPT TWO
302                     // U+2154: "⅔" VULGAR FRACTION TWO THIRDS
303                     .replaceKeyOfLabel("2", key("\u0968", joinMoreKeys("2", "\u00B2", "\u2154")))
304                     // U+0969: "३" DEVANAGARI DIGIT THREE
305                     // U+00B3: "³" SUPERSCRIPT THREE
306                     // U+00BE: "¾" VULGAR FRACTION THREE QUARTERS
307                     // U+215C: "⅜" VULGAR FRACTION THREE EIGHTHS
308                     .replaceKeyOfLabel("3", key("\u0969",
309                             joinMoreKeys("3", "\u00B3", "\u00BE","\u215C")))
310                     // U+096A: "४" DEVANAGARI DIGIT FOUR
311                     // U+2074: "⁴" SUPERSCRIPT FOUR
312                     .replaceKeyOfLabel("4", key("\u096A", joinMoreKeys("4", "\u2074")))
313                     // U+096B: "५" DEVANAGARI DIGIT FIVE
314                     // U+215D: "⅝" VULGAR FRACTION FIVE EIGHTHS
315                     .replaceKeyOfLabel("5", key("\u096B", joinMoreKeys("5", "\u215D")))
316                     // U+096C: "६" DEVANAGARI DIGIT SIX
317                     .replaceKeyOfLabel("6", key("\u096C", moreKey("6")))
318                     // U+096D: "७" DEVANAGARI DIGIT SEVEN
319                     // U+215E: "⅞" VULGAR FRACTION SEVEN EIGHTHS
320                     .replaceKeyOfLabel("7", key("\u096D", joinMoreKeys("7", "\u215E")))
321                     // U+096E: "८" DEVANAGARI DIGIT EIGHT
322                     .replaceKeyOfLabel("8", key("\u096E", moreKey("8")))
323                     // U+096F: "९" DEVANAGARI DIGIT NINE
324                     .replaceKeyOfLabel("9", key("\u096F", moreKey("9")))
325                     // U+0966: "०" DEVANAGARI DIGIT ZERO
326                     // U+207F: "ⁿ" SUPERSCRIPT LATIN SMALL LETTER N
327                     // U+2205: "∅" EMPTY SET
328                     .replaceKeyOfLabel("0", key("\u0966", joinMoreKeys("0", "\u207F", "\u2205")))
329                     .build();
330         }
331     }
332 }
333