1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
|
// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
*******************************************************************************
* Copyright (C) 2013-2016, International Business Machines
* Corporation and others. All Rights Reserved.
*******************************************************************************
* file name: uscript_props.cpp
* encoding: UTF-8
* tab size: 8 (not used)
* indentation:4
*
* created on: 2013feb16
* created by: Markus W. Scherer
*/
#include "unicode/utypes.h"
#include "unicode/unistr.h"
#include "unicode/uscript.h"
#include "unicode/utf16.h"
#include "ustr_imp.h"
#include "cmemory.h"
namespace {
// Script metadata (script properties).
// See http://unicode.org/cldr/trac/browser/trunk/common/properties/scriptMetadata.txt
// 0 = NOT_ENCODED, no sample character, default false script properties.
// Bits 20.. 0: sample character
// Bits 23..21: usage
const int32_t UNKNOWN = 1 << 21;
const int32_t EXCLUSION = 2 << 21;
const int32_t LIMITED_USE = 3 << 21;
// st int32_t ASPIRATIONAL = 4 << 21; -- not used any more since Unicode 10
const int32_t RECOMMENDED = 5 << 21;
// Bits 31..24: Single-bit flags
const int32_t RTL = 1 << 24;
const int32_t LB_LETTERS = 1 << 25;
const int32_t CASED = 1 << 26;
const int32_t SCRIPT_PROPS[] = {
// Begin copy-paste output from
// tools/trunk/unicode/py/parsescriptmetadata.py
0x0040 | RECOMMENDED, // Zyyy
0x0308 | RECOMMENDED, // Zinh
0x0628 | RECOMMENDED | RTL, // Arab
0x0531 | RECOMMENDED | CASED, // Armn
0x0995 | RECOMMENDED, // Beng
0x3105 | RECOMMENDED | LB_LETTERS, // Bopo
0x13C4 | LIMITED_USE | CASED, // Cher
0x03E2 | EXCLUSION | CASED, // Copt
0x042F | RECOMMENDED | CASED, // Cyrl
0x10414 | EXCLUSION | CASED, // Dsrt
0x0905 | RECOMMENDED, // Deva
0x12A0 | RECOMMENDED, // Ethi
0x10D3 | RECOMMENDED, // Geor
0x10330 | EXCLUSION, // Goth
0x03A9 | RECOMMENDED | CASED, // Grek
0x0A95 | RECOMMENDED, // Gujr
0x0A15 | RECOMMENDED, // Guru
0x5B57 | RECOMMENDED | LB_LETTERS, // Hani
0xAC00 | RECOMMENDED, // Hang
0x05D0 | RECOMMENDED | RTL, // Hebr
0x304B | RECOMMENDED | LB_LETTERS, // Hira
0x0C95 | RECOMMENDED, // Knda
0x30AB | RECOMMENDED | LB_LETTERS, // Kana
0x1780 | RECOMMENDED | LB_LETTERS, // Khmr
0x0EA5 | RECOMMENDED | LB_LETTERS, // Laoo
0x004C | RECOMMENDED | CASED, // Latn
0x0D15 | RECOMMENDED, // Mlym
0x1826 | EXCLUSION, // Mong
0x1000 | RECOMMENDED | LB_LETTERS, // Mymr
0x168F | EXCLUSION, // Ogam
0x10300 | EXCLUSION, // Ital
0x0B15 | RECOMMENDED, // Orya
0x16A0 | EXCLUSION, // Runr
0x0D85 | RECOMMENDED, // Sinh
0x0710 | LIMITED_USE | RTL, // Syrc
0x0B95 | RECOMMENDED, // Taml
0x0C15 | RECOMMENDED, // Telu
0x078C | RECOMMENDED | RTL, // Thaa
0x0E17 | RECOMMENDED | LB_LETTERS, // Thai
0x0F40 | RECOMMENDED, // Tibt
0x14C0 | LIMITED_USE, // Cans
0xA288 | LIMITED_USE | LB_LETTERS, // Yiii
0x1703 | EXCLUSION, // Tglg
0x1723 | EXCLUSION, // Hano
0x1743 | EXCLUSION, // Buhd
0x1763 | EXCLUSION, // Tagb
0x280E | UNKNOWN, // Brai
0x10800 | EXCLUSION | RTL, // Cprt
0x1900 | LIMITED_USE, // Limb
0x10000 | EXCLUSION, // Linb
0x10480 | EXCLUSION, // Osma
0x10450 | EXCLUSION, // Shaw
0x1950 | LIMITED_USE | LB_LETTERS, // Tale
0x10380 | EXCLUSION, // Ugar
0,
0x1A00 | EXCLUSION, // Bugi
0x2C00 | EXCLUSION | CASED, // Glag
0x10A00 | EXCLUSION | RTL, // Khar
0xA800 | LIMITED_USE, // Sylo
0x1980 | LIMITED_USE | LB_LETTERS, // Talu
0x2D30 | LIMITED_USE, // Tfng
0x103A0 | EXCLUSION, // Xpeo
0x1B05 | LIMITED_USE, // Bali
0x1BC0 | LIMITED_USE, // Batk
0,
0x11005 | EXCLUSION, // Brah
0xAA00 | LIMITED_USE, // Cham
0,
0,
0,
0,
0x13153 | EXCLUSION, // Egyp
0,
0x5B57 | RECOMMENDED | LB_LETTERS, // Hans
0x5B57 | RECOMMENDED | LB_LETTERS, // Hant
0x16B1C | EXCLUSION, // Hmng
0x10CA1 | EXCLUSION | RTL | CASED, // Hung
0,
0xA984 | LIMITED_USE, // Java
0xA90A | LIMITED_USE, // Kali
0,
0,
0x1C00 | LIMITED_USE, // Lepc
0x10647 | EXCLUSION, // Lina
0x0840 | LIMITED_USE | RTL, // Mand
0,
0x10980 | EXCLUSION | RTL, // Mero
0x07CA | LIMITED_USE | RTL, // Nkoo
0x10C00 | EXCLUSION | RTL, // Orkh
0x1036B | EXCLUSION, // Perm
0xA840 | EXCLUSION, // Phag
0x10900 | EXCLUSION | RTL, // Phnx
0x16F00 | LIMITED_USE, // Plrd
0,
0,
0,
0,
0,
0,
0xA549 | LIMITED_USE, // Vaii
0,
0x12000 | EXCLUSION, // Xsux
0,
0xFDD0 | UNKNOWN, // Zzzz
0x102A0 | EXCLUSION, // Cari
0x304B | RECOMMENDED | LB_LETTERS, // Jpan
0x1A20 | LIMITED_USE | LB_LETTERS, // Lana
0x10280 | EXCLUSION, // Lyci
0x10920 | EXCLUSION | RTL, // Lydi
0x1C5A | LIMITED_USE, // Olck
0xA930 | EXCLUSION, // Rjng
0xA882 | LIMITED_USE, // Saur
0x1D850 | EXCLUSION, // Sgnw
0x1B83 | LIMITED_USE, // Sund
0,
0xABC0 | LIMITED_USE, // Mtei
0x10840 | EXCLUSION | RTL, // Armi
0x10B00 | EXCLUSION | RTL, // Avst
0x11103 | LIMITED_USE, // Cakm
0xAC00 | RECOMMENDED, // Kore
0x11083 | EXCLUSION, // Kthi
0x10AD8 | EXCLUSION | RTL, // Mani
0x10B60 | EXCLUSION | RTL, // Phli
0x10B8F | EXCLUSION | RTL, // Phlp
0,
0x10B40 | EXCLUSION | RTL, // Prti
0x0800 | EXCLUSION | RTL, // Samr
0xAA80 | LIMITED_USE | LB_LETTERS, // Tavt
0,
0,
0xA6A0 | LIMITED_USE, // Bamu
0xA4D0 | LIMITED_USE, // Lisu
0,
0x10A60 | EXCLUSION | RTL, // Sarb
0x16AE6 | EXCLUSION, // Bass
0x1BC20 | EXCLUSION, // Dupl
0x10500 | EXCLUSION, // Elba
0x11315 | EXCLUSION, // Gran
0,
0,
0x1E802 | EXCLUSION | RTL, // Mend
0x109A0 | EXCLUSION | RTL, // Merc
0x10A95 | EXCLUSION | RTL, // Narb
0x10896 | EXCLUSION | RTL, // Nbat
0x10873 | EXCLUSION | RTL, // Palm
0x112BE | EXCLUSION, // Sind
0x118B4 | EXCLUSION | CASED, // Wara
0,
0,
0x16A4F | EXCLUSION, // Mroo
0x1B1C4 | EXCLUSION | LB_LETTERS, // Nshu
0x11183 | EXCLUSION, // Shrd
0x110D0 | EXCLUSION, // Sora
0x11680 | EXCLUSION, // Takr
0x18229 | EXCLUSION | LB_LETTERS, // Tang
0,
0x14400 | EXCLUSION, // Hluw
0x11208 | EXCLUSION, // Khoj
0x11484 | EXCLUSION, // Tirh
0x10537 | EXCLUSION, // Aghb
0x11152 | EXCLUSION, // Mahj
0x11717 | EXCLUSION | LB_LETTERS, // Ahom
0x108F4 | EXCLUSION | RTL, // Hatr
0x1160E | EXCLUSION, // Modi
0x1128F | EXCLUSION, // Mult
0x11AC0 | EXCLUSION, // Pauc
0x1158E | EXCLUSION, // Sidd
0x1E909 | LIMITED_USE | RTL | CASED, // Adlm
0x11C0E | EXCLUSION, // Bhks
0x11C72 | EXCLUSION, // Marc
0x11412 | LIMITED_USE, // Newa
0x104B5 | LIMITED_USE | CASED, // Osge
0x5B57 | RECOMMENDED | LB_LETTERS, // Hanb
0x1112 | RECOMMENDED, // Jamo
0,
0x11D10 | EXCLUSION, // Gonm
0x11A5C | EXCLUSION, // Soyo
0x11A0B | EXCLUSION, // Zanb
0x1180B | EXCLUSION, // Dogr
0x11D71 | LIMITED_USE, // Gong
0x11EE5 | EXCLUSION, // Maka
0x16E40 | EXCLUSION | CASED, // Medf
0x10D12 | LIMITED_USE | RTL, // Rohg
0x10F42 | EXCLUSION | RTL, // Sogd
0x10F19 | EXCLUSION | RTL, // Sogo
0x10FF1 | EXCLUSION | RTL, // Elym
0x1E108 | LIMITED_USE, // Hmnp
0x119CE | EXCLUSION, // Nand
0x1E2E1 | LIMITED_USE, // Wcho
0x10FBF | EXCLUSION | RTL, // Chrs
0x1190C | EXCLUSION, // Diak
0x18C65 | EXCLUSION | LB_LETTERS, // Kits
0x10E88 | EXCLUSION | RTL, // Yezi
// End copy-paste from parsescriptmetadata.py
};
int32_t getScriptProps(UScriptCode script) {
if (0 <= script && script < UPRV_LENGTHOF(SCRIPT_PROPS)) {
return SCRIPT_PROPS[script];
} else {
return 0;
}
}
} // namespace
U_CAPI int32_t U_EXPORT2
uscript_getSampleString(UScriptCode script, UChar *dest, int32_t capacity, UErrorCode *pErrorCode) {
if(U_FAILURE(*pErrorCode)) { return 0; }
if(capacity < 0 || (capacity > 0 && dest == NULL)) {
*pErrorCode = U_ILLEGAL_ARGUMENT_ERROR;
return 0;
}
int32_t sampleChar = getScriptProps(script) & 0x1fffff;
int32_t length;
if(sampleChar == 0) {
length = 0;
} else {
length = U16_LENGTH(sampleChar);
if(length <= capacity) {
int32_t i = 0;
U16_APPEND_UNSAFE(dest, i, sampleChar);
}
}
return u_terminateUChars(dest, capacity, length, pErrorCode);
}
U_COMMON_API icu::UnicodeString U_EXPORT2
uscript_getSampleUnicodeString(UScriptCode script) {
icu::UnicodeString sample;
int32_t sampleChar = getScriptProps(script) & 0x1fffff;
if(sampleChar != 0) {
sample.append(sampleChar);
}
return sample;
}
U_CAPI UScriptUsage U_EXPORT2
uscript_getUsage(UScriptCode script) {
return (UScriptUsage)((getScriptProps(script) >> 21) & 7);
}
U_CAPI UBool U_EXPORT2
uscript_isRightToLeft(UScriptCode script) {
return (getScriptProps(script) & RTL) != 0;
}
U_CAPI UBool U_EXPORT2
uscript_breaksBetweenLetters(UScriptCode script) {
return (getScriptProps(script) & LB_LETTERS) != 0;
}
U_CAPI UBool U_EXPORT2
uscript_isCased(UScriptCode script) {
return (getScriptProps(script) & CASED) != 0;
}
|
