1/*
2 * Copyright (C) 2008 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
17package android.telephony;
18
19import android.text.Editable;
20
21/*
22 * Japanese Phone number formatting rule is a bit complicated.
23 * Here are some valid examples:
24 *
25 * 022-229-1234 0223-23-1234 022-301-9876 015-482-7849 0154-91-3478
26 * 01547-5-4534 090-1234-1234 080-0123-6789
27 * 050-0000-0000 060-0000-0000
28 * 0800-000-9999 0570-000-000 0276-00-0000
29 *
30 * As you can see, there is no straight-forward rule here.
31 * In order to handle this, a big array is prepared.
32 */
33/* package */ class JapanesePhoneNumberFormatter {
34    private static short FORMAT_MAP[] = {
35    -100, 10, 220, -15, 410, 530, 1200, 670, 780, 1060,
36    -100, -25, 20, 40, 70, 100, 150, 190, 200, 210,
37    -36, -100, -100, -35, -35, -35, 30, -100, -100, -100,
38    -35, -35, -35, -35, -35, -35, -35, -45, -35, -35,
39    -100, -100, -100, -35, -35, -35, -35, 50, -35, 60,
40    -35, -35, -45, -35, -45, -35, -35, -45, -35, -35,
41    -35, -35, -45, -35, -35, -35, -35, -45, -45, -35,
42    -100, -100, -35, -35, -35, 80, 90, -100, -100, -100,
43    -35, -35, -35, -35, -35, -35, -45, -45, -35, -35,
44    -35, -35, -35, -35, -35, -35, -45, -35, -35, -35,
45    -25, -25, -35, -35, 110, 120, 130, -35, 140, -25,
46    -35, -25, -35, -35, -35, -35, -35, -45, -25, -35,
47    -35, -25, -35, -35, -35, -35, -35, -25, -45, -35,
48    -35, -35, -35, -35, -45, -35, -35, -35, -35, -35,
49    -35, -35, -35, -35, -35, -35, -45, -45, -35, -35,
50    -100, -100, -35, 160, 170, 180, -35, -35, -100, -100,
51    -35, -35, -45, -35, -45, -45, -35, -35, -35, -35,
52    -35, -35, -35, -35, -35, -35, -35, -35, -45, -35,
53    -35, -35, -35, -35, -45, -45, -45, -35, -45, -35,
54    -25, -25, -35, -35, -35, -35, -35, -25, -35, -35,
55    -25, -25, -35, -35, -35, -35, -35, -35, -25, -25,
56    -25, -35, -35, -35, -35, -35, -25, -35, -35, -25,
57    -100, -100, 230, 250, 260, 270, 320, 340, 360, 390,
58    -35, -25, -25, 240, -35, -35, -35, -25, -35, -35,
59    -25, -35, -35, -35, -25, -25, -25, -25, -25, -25,
60    -25, -25, -25, -35, -35, -35, -25, -35, -35, -25,
61    -35, -35, -35, -35, -35, -25, -35, -35, -35, -25,
62    -35, -25, -25, -25, -35, 280, 290, 300, 310, -35,
63    -25, -25, -25, -25, -25, -25, -25, -35, -35, -25,
64    -25, -35, -35, -35, -35, -35, -35, -35, -35, -35,
65    -25, -25, -35, -35, -35, -25, -25, -25, -25, -25,
66    -25, -35, -35, -35, -35, -35, -35, -35, -35, -35,
67    -35, -35, -25, -35, 330, -35, -35, -35, -35, -35,
68    -25, -35, -35, -35, -35, -35, -25, -25, -25, -25,
69    -35, -25, -25, -25, -35, -25, -35, -35, 350, -35,
70    -25, -35, -35, -35, -35, -35, -35, -35, -25, -25,
71    -35, -25, -35, 370, -35, -35, -25, -35, -35, 380,
72    -25, -35, -35, -25, -25, -35, -35, -35, -35, -35,
73    -25, -35, -25, -25, -25, -25, -35, -35, -35, -35,
74    -25, -35, -25, 400, -35, -35, -35, -35, -25, -35,
75    -25, -35, -35, -35, -35, -25, -25, -25, -25, -25,
76    -15, -15, 420, 460, -25, -25, 470, 480, 500, 510,
77    -15, -25, 430, -25, -25, -25, -25, -25, 440, 450,
78    -25, -35, -35, -35, -35, -35, -35, -35, -35, -35,
79    -25, -25, -35, -35, -25, -25, -25, -35, -35, -35,
80    -15, -25, -15, -15, -15, -15, -15, -25, -25, -15,
81    -25, -25, -25, -25, -25, -25, -35, -25, -35, -35,
82    -35, -25, -25, -35, -25, -35, -35, -35, -25, -25,
83    490, -15, -25, -25, -25, -35, -35, -25, -35, -35,
84    -15, -35, -35, -35, -35, -35, -35, -35, -35, -15,
85    -35, -25, -25, -25, -25, -25, -25, -25, -25, -25,
86    -25, -25, -25, -35, -35, -35, -25, -25, -25, 520,
87    -100, -100, -45, -100, -45, -100, -45, -100, -45, -100,
88    -26, -100, -25, 540, 580, 590, 600, 610, 630, 640,
89    -25, -35, -35, -35, -25, -25, -35, -35, -35, 550,
90    -35, -35, -25, -25, -25, -25, 560, 570, -25, -35,
91    -35, -35, -35, -35, -25, -25, -25, -25, -25, -25,
92    -25, -25, -25, -25, -35, -25, -25, -35, -25, -25,
93    -25, -25, -25, -25, -35, -35, -25, -35, -35, -25,
94    -35, -35, -25, -35, -35, -35, -35, -35, -35, -25,
95    -100, -35, -35, -35, -35, -35, -35, -35, -35, -35,
96    -36, -100, -35, -35, -35, -35, 620, -35, -35, -100,
97    -35, -35, -35, -35, -35, -35, -35, -35, -35, -45,
98    -25, -35, -25, -25, -35, -35, -35, -35, -25, -25,
99    -25, -25, -25, -25, -35, -35, -35, 650, -35, 660,
100    -35, -35, -35, -35, -45, -35, -35, -35, -35, -45,
101    -35, -35, -35, -35, -35, -35, -35, -35, -35, -25,
102    -26, -100, 680, 690, 700, -25, 720, 730, -25, 740,
103    -25, -35, -25, -25, -25, -35, -25, -25, -25, -25,
104    -25, -25, -25, -25, -25, -35, -35, -35, -35, -35,
105    -35, -100, -35, -35, -35, -35, 710, -35, -35, -35,
106    -35, -35, -35, -35, -35, -35, -35, -35, -45, -35,
107    -25, -35, -25, -35, -25, -35, -35, -35, -35, -25,
108    -35, -35, -35, -35, -35, -25, -35, -25, -35, -35,
109    -35, -35, -25, -25, 750, 760, 770, -35, -35, -35,
110    -25, -35, -25, -25, -25, -25, -35, -35, -35, -25,
111    -25, -35, -35, -35, -35, -25, -25, -35, -35, -25,
112    -25, -35, -35, -35, -35, -35, -25, -25, -35, -35,
113    790, -100, 800, 850, 900, 920, 940, 1030, 1040, 1050,
114    -36, -26, -26, -26, -26, -26, -26, -26, -26, -26,
115    -35, -25, -25, -35, 810, -25, -35, -35, -25, 820,
116    -25, -35, -25, -25, -35, -35, -35, -35, -35, -25,
117    -25, -35, 830, -35, 840, -35, -25, -35, -35, -25,
118    -35, -25, -25, -25, -25, -25, -25, -25, -25, -25,
119    -100, -25, -25, -25, -100, -100, -100, -100, -100, -100,
120    -25, -25, -35, -35, -35, -35, 860, -35, 870, 880,
121    -25, -35, -35, -35, -35, -35, -35, -35, -35, -35,
122    -35, -35, -35, -35, -35, -35, -35, -45, -45, -35,
123    -100, -100, -100, -100, -100, -100, 890, -100, -100, -100,
124    -25, -45, -45, -25, -45, -45, -25, -45, -45, -45,
125    -25, -25, -25, -25, -25, -35, -35, 910, -35, -25,
126    -35, -35, -35, -35, -35, -35, -35, -45, -35, -35,
127    -100, 930, -35, -35, -35, -35, -35, -35, -35, -35,
128    -100, -100, -45, -100, -45, -100, -100, -100, -100, -100,
129    -25, -25, -25, 950, -25, 970, 990, -35, 1000, 1010,
130    -35, -35, -35, -35, -35, -35, 960, -35, -35, -35,
131    -45, -45, -45, -45, -45, -45, -35, -45, -45, -45,
132    -35, -35, -25, -35, -35, 980, -35, -35, -35, -35,
133    -100, -100, -25, -25, -100, -100, -100, -100, -100, -100,
134    -25, -35, -35, -35, -35, -35, -35, -35, -35, -35,
135    -25, -35, -35, -35, -35, -35, -35, -35, -35, -25,
136    -25, -35, -35, -35, -25, -25, -35, -35, -35, 1020,
137    -45, -45, -35, -35, -45, -45, -45, -45, -45, -45,
138    -25, -25, -25, -25, -25, -35, -25, -35, -25, -35,
139    -35, -25, -25, -35, -35, -35, -25, -35, -25, -35,
140    -25, -25, -35, -35, -35, -35, -35, -35, -35, -25,
141    -26, -100, 1070, 1080, 1090, 1110, 1120, 1130, 1140, 1160,
142    -35, -25, -25, -25, -25, -25, -25, -25, -25, -25,
143    -35, -25, -25, -25, -25, -25, -25, -25, -25, -25,
144    -35, -100, -35, -35, -35, -100, -35, -35, -35, 1100,
145    -35, -35, -35, -35, -35, -35, -45, -35, -35, -35,
146    -35, -25, -35, -25, -35, -35, -35, -35, -25, -35,
147    -25, -25, -25, -25, -35, -35, -35, -35, -35, -35,
148    -25, -25, -35, -35, -35, -25, -25, -35, -35, -35,
149    1150, -25, -35, -35, -35, -35, -35, -35, -25, -25,
150    -35, -35, -45, -35, -35, -35, -35, -35, -35, -35,
151    -35, 1170, -25, -35, 1180, -35, 1190, -35, -25, -25,
152    -100, -100, -45, -45, -100, -100, -100, -100, -100, -100,
153    -25, -35, -35, -35, -35, -35, -35, -25, -25, -35,
154    -35, -35, -35, -35, -35, -35, -35, -35, -35, -45,
155    -26, -15, -15, -15, -15, -15, -15, -15, -15, -15};
156
157    public static void format(Editable text) {
158        // Here, "root" means the position of "'":
159        // 0'3, 0'90, and +81'-90
160        // (dash will be deleted soon, so it is actually +81'90).
161        int rootIndex = 1;
162        int length = text.length();
163        if (length > 3
164                && text.subSequence(0, 3).toString().equals("+81")) {
165            rootIndex = 3;
166        } else if (length < 1 || text.charAt(0) != '0') {
167            return;
168        }
169
170        CharSequence saved = text.subSequence(0, length);
171
172        // Strip the dashes first, as we're going to add them back
173        int i = 0;
174        while (i < text.length()) {
175            if (text.charAt(i) == '-') {
176                text.delete(i, i + 1);
177            } else {
178                i++;
179            }
180        }
181
182        length = text.length();
183        int dashposition;
184
185        i = rootIndex;
186        int base = 0;
187        while (i < length) {
188            char ch = text.charAt(i);
189            if (!Character.isDigit(ch)) {
190                text.replace(0, length, saved);
191                return;
192            }
193            short value = FORMAT_MAP[base + ch - '0'];
194            if (value < 0) {
195                if (value <= -100) {
196                    text.replace(0, length, saved);
197                    return;
198                }
199                int dashPos2 = rootIndex + (Math.abs(value) % 10);
200                if (length > dashPos2) {
201                    text.insert(dashPos2, "-");
202                }
203                int dashPos1 = rootIndex + (Math.abs(value) / 10);
204                if (length > dashPos1) {
205                    text.insert(dashPos1, "-");
206                }
207                break;
208            } else {
209                base = value;
210                i++;
211            }
212        }
213
214        if (length > 3 && rootIndex == 3) {
215            text.insert(rootIndex, "-");
216        }
217    }
218}