Coverage Report

Created: 2018-09-25 14:53

/src/mozilla-central/intl/icu/source/common/uchar.cpp
Line
Count
Source (jump to first uncovered line)
1
// © 2016 and later: Unicode, Inc. and others.
2
// License & terms of use: http://www.unicode.org/copyright.html
3
/*
4
********************************************************************************
5
*   Copyright (C) 1996-2016, International Business Machines
6
*   Corporation and others.  All Rights Reserved.
7
********************************************************************************
8
*
9
* File UCHAR.C
10
*
11
* Modification History:
12
*
13
*   Date        Name        Description
14
*   04/02/97    aliu        Creation.
15
*   4/15/99     Madhu       Updated all the function definitions for C Implementation
16
*   5/20/99     Madhu       Added the function u_getVersion()
17
*   8/19/1999   srl         Upgraded scripts to Unicode3.0 
18
*   11/11/1999  weiv        added u_isalnum(), cleaned comments
19
*   01/11/2000  helena      Renamed u_getVersion to u_getUnicodeVersion.
20
*   06/20/2000  helena      OS/400 port changes; mostly typecast.
21
******************************************************************************
22
*/
23
24
#include "unicode/utypes.h"
25
#include "unicode/uchar.h"
26
#include "unicode/uscript.h"
27
#include "unicode/udata.h"
28
#include "uassert.h"
29
#include "cmemory.h"
30
#include "ucln_cmn.h"
31
#include "utrie2.h"
32
#include "udataswp.h"
33
#include "uprops.h"
34
#include "ustr_imp.h"
35
36
/* uchar_props_data.h is machine-generated by genprops --csource */
37
#define INCLUDED_FROM_UCHAR_C
38
#include "uchar_props_data.h"
39
40
/* constants and macros for access to the data ------------------------------ */
41
42
/* getting a uint32_t properties word from the data */
43
202k
#define GET_PROPS(c, result) ((result)=UTRIE2_GET16(&propsTrie, c));
44
45
/* API functions ------------------------------------------------------------ */
46
47
/* Gets the Unicode character's general category.*/
48
U_CAPI int8_t U_EXPORT2
49
168k
u_charType(UChar32 c) {
50
168k
    uint32_t props;
51
168k
    GET_PROPS(c, props);
52
168k
    return (int8_t)GET_CATEGORY(props);
53
168k
}
54
55
/* Enumerate all code points with their general categories. */
56
struct _EnumTypeCallback {
57
    UCharEnumTypeRange *enumRange;
58
    const void *context;
59
};
60
61
static uint32_t U_CALLCONV
62
0
_enumTypeValue(const void *context, uint32_t value) {
63
0
    (void)context;
64
0
    return GET_CATEGORY(value);
65
0
}
66
67
static UBool U_CALLCONV
68
0
_enumTypeRange(const void *context, UChar32 start, UChar32 end, uint32_t value) {
69
0
    /* just cast the value to UCharCategory */
70
0
    return ((struct _EnumTypeCallback *)context)->
71
0
        enumRange(((struct _EnumTypeCallback *)context)->context,
72
0
                  start, end+1, (UCharCategory)value);
73
0
}
74
75
U_CAPI void U_EXPORT2
76
0
u_enumCharTypes(UCharEnumTypeRange *enumRange, const void *context) {
77
0
    struct _EnumTypeCallback callback;
78
0
79
0
    if(enumRange==NULL) {
80
0
        return;
81
0
    }
82
0
83
0
    callback.enumRange=enumRange;
84
0
    callback.context=context;
85
0
    utrie2_enum(&propsTrie, _enumTypeValue, _enumTypeRange, &callback);
86
0
}
87
88
/* Checks if ch is a lower case letter.*/
89
U_CAPI UBool U_EXPORT2
90
0
u_islower(UChar32 c) {
91
0
    uint32_t props;
92
0
    GET_PROPS(c, props);
93
0
    return (UBool)(GET_CATEGORY(props)==U_LOWERCASE_LETTER);
94
0
}
95
96
/* Checks if ch is an upper case letter.*/
97
U_CAPI UBool U_EXPORT2
98
0
u_isupper(UChar32 c) {
99
0
    uint32_t props;
100
0
    GET_PROPS(c, props);
101
0
    return (UBool)(GET_CATEGORY(props)==U_UPPERCASE_LETTER);
102
0
}
103
104
/* Checks if ch is a title case letter; usually upper case letters.*/
105
U_CAPI UBool U_EXPORT2
106
0
u_istitle(UChar32 c) {
107
0
    uint32_t props;
108
0
    GET_PROPS(c, props);
109
0
    return (UBool)(GET_CATEGORY(props)==U_TITLECASE_LETTER);
110
0
}
111
112
/* Checks if ch is a decimal digit. */
113
U_CAPI UBool U_EXPORT2
114
0
u_isdigit(UChar32 c) {
115
0
    uint32_t props;
116
0
    GET_PROPS(c, props);
117
0
    return (UBool)(GET_CATEGORY(props)==U_DECIMAL_DIGIT_NUMBER);
118
0
}
119
120
U_CAPI UBool U_EXPORT2
121
0
u_isxdigit(UChar32 c) {
122
0
    uint32_t props;
123
0
124
0
    /* check ASCII and Fullwidth ASCII a-fA-F */
125
0
    if(
126
0
        (c<=0x66 && c>=0x41 && (c<=0x46 || c>=0x61)) ||
127
0
        (c>=0xff21 && c<=0xff46 && (c<=0xff26 || c>=0xff41))
128
0
    ) {
129
0
        return TRUE;
130
0
    }
131
0
132
0
    GET_PROPS(c, props);
133
0
    return (UBool)(GET_CATEGORY(props)==U_DECIMAL_DIGIT_NUMBER);
134
0
}
135
136
/* Checks if the Unicode character is a letter.*/
137
U_CAPI UBool U_EXPORT2
138
0
u_isalpha(UChar32 c) {
139
0
    uint32_t props;
140
0
    GET_PROPS(c, props);
141
0
    return (UBool)((CAT_MASK(props)&U_GC_L_MASK)!=0);
142
0
}
143
144
U_CAPI UBool U_EXPORT2
145
0
u_isUAlphabetic(UChar32 c) {
146
0
    return (u_getUnicodeProperties(c, 1)&U_MASK(UPROPS_ALPHABETIC))!=0;
147
0
}
148
149
/* Checks if c is a letter or a decimal digit */
150
U_CAPI UBool U_EXPORT2
151
0
u_isalnum(UChar32 c) {
152
0
    uint32_t props;
153
0
    GET_PROPS(c, props);
154
0
    return (UBool)((CAT_MASK(props)&(U_GC_L_MASK|U_GC_ND_MASK))!=0);
155
0
}
156
157
/**
158
 * Checks if c is alphabetic, or a decimal digit; implements UCHAR_POSIX_ALNUM.
159
 * @internal
160
 */
161
U_CFUNC UBool
162
0
u_isalnumPOSIX(UChar32 c) {
163
0
    return (UBool)(u_isUAlphabetic(c) || u_isdigit(c));
164
0
}
165
166
/* Checks if ch is a unicode character with assigned character type.*/
167
U_CAPI UBool U_EXPORT2
168
0
u_isdefined(UChar32 c) {
169
0
    uint32_t props;
170
0
    GET_PROPS(c, props);
171
0
    return (UBool)(GET_CATEGORY(props)!=0);
172
0
}
173
174
/* Checks if the Unicode character is a base form character that can take a diacritic.*/
175
U_CAPI UBool U_EXPORT2
176
0
u_isbase(UChar32 c) {
177
0
    uint32_t props;
178
0
    GET_PROPS(c, props);
179
0
    return (UBool)((CAT_MASK(props)&(U_GC_L_MASK|U_GC_N_MASK|U_GC_MC_MASK|U_GC_ME_MASK))!=0);
180
0
}
181
182
/* Checks if the Unicode character is a control character.*/
183
U_CAPI UBool U_EXPORT2
184
0
u_iscntrl(UChar32 c) {
185
0
    uint32_t props;
186
0
    GET_PROPS(c, props);
187
0
    return (UBool)((CAT_MASK(props)&(U_GC_CC_MASK|U_GC_CF_MASK|U_GC_ZL_MASK|U_GC_ZP_MASK))!=0);
188
0
}
189
190
U_CAPI UBool U_EXPORT2
191
0
u_isISOControl(UChar32 c) {
192
0
    return (uint32_t)c<=0x9f && (c<=0x1f || c>=0x7f);
193
0
}
194
195
/* Some control characters that are used as space. */
196
#define IS_THAT_CONTROL_SPACE(c) \
197
0
    (c<=0x9f && ((c>=TAB && c<=CR) || (c>=0x1c && c <=0x1f) || c==NL))
198
199
/* Java has decided that U+0085 New Line is not whitespace any more. */
200
#define IS_THAT_ASCII_CONTROL_SPACE(c) \
201
0
    (c<=0x1f && c>=TAB && (c<=CR || c>=0x1c))
202
203
/* Checks if the Unicode character is a space character.*/
204
U_CAPI UBool U_EXPORT2
205
0
u_isspace(UChar32 c) {
206
0
    uint32_t props;
207
0
    GET_PROPS(c, props);
208
0
    return (UBool)((CAT_MASK(props)&U_GC_Z_MASK)!=0 || IS_THAT_CONTROL_SPACE(c));
209
0
}
210
211
U_CAPI UBool U_EXPORT2
212
0
u_isJavaSpaceChar(UChar32 c) {
213
0
    uint32_t props;
214
0
    GET_PROPS(c, props);
215
0
    return (UBool)((CAT_MASK(props)&U_GC_Z_MASK)!=0);
216
0
}
217
218
/* Checks if the Unicode character is a whitespace character.*/
219
U_CAPI UBool U_EXPORT2
220
0
u_isWhitespace(UChar32 c) {
221
0
    uint32_t props;
222
0
    GET_PROPS(c, props);
223
0
    return (UBool)(
224
0
                ((CAT_MASK(props)&U_GC_Z_MASK)!=0 &&
225
0
                    c!=NBSP && c!=FIGURESP && c!=NNBSP) || /* exclude no-break spaces */
226
0
                IS_THAT_ASCII_CONTROL_SPACE(c)
227
0
           );
228
0
}
229
230
U_CAPI UBool U_EXPORT2
231
0
u_isblank(UChar32 c) {
232
0
    if((uint32_t)c<=0x9f) {
233
0
        return c==9 || c==0x20; /* TAB or SPACE */
234
0
    } else {
235
0
        /* Zs */
236
0
        uint32_t props;
237
0
        GET_PROPS(c, props);
238
0
        return (UBool)(GET_CATEGORY(props)==U_SPACE_SEPARATOR);
239
0
    }
240
0
}
241
242
U_CAPI UBool U_EXPORT2
243
0
u_isUWhiteSpace(UChar32 c) {
244
0
    return (u_getUnicodeProperties(c, 1)&U_MASK(UPROPS_WHITE_SPACE))!=0;
245
0
}
246
247
/* Checks if the Unicode character is printable.*/
248
U_CAPI UBool U_EXPORT2
249
0
u_isprint(UChar32 c) {
250
0
    uint32_t props;
251
0
    GET_PROPS(c, props);
252
0
    /* comparing ==0 returns FALSE for the categories mentioned */
253
0
    return (UBool)((CAT_MASK(props)&U_GC_C_MASK)==0);
254
0
}
255
256
/**
257
 * Checks if c is in \p{graph}\p{blank} - \p{cntrl}.
258
 * Implements UCHAR_POSIX_PRINT.
259
 * @internal
260
 */
261
U_CFUNC UBool
262
0
u_isprintPOSIX(UChar32 c) {
263
0
    uint32_t props;
264
0
    GET_PROPS(c, props);
265
0
    /*
266
0
     * The only cntrl character in graph+blank is TAB (in blank).
267
0
     * Here we implement (blank-TAB)=Zs instead of calling u_isblank().
268
0
     */
269
0
    return (UBool)((GET_CATEGORY(props)==U_SPACE_SEPARATOR) || u_isgraphPOSIX(c));
270
0
}
271
272
U_CAPI UBool U_EXPORT2
273
0
u_isgraph(UChar32 c) {
274
0
    uint32_t props;
275
0
    GET_PROPS(c, props);
276
0
    /* comparing ==0 returns FALSE for the categories mentioned */
277
0
    return (UBool)((CAT_MASK(props)&
278
0
                    (U_GC_CC_MASK|U_GC_CF_MASK|U_GC_CS_MASK|U_GC_CN_MASK|U_GC_Z_MASK))
279
0
                   ==0);
280
0
}
281
282
/**
283
 * Checks if c is in
284
 * [^\p{space}\p{gc=Control}\p{gc=Surrogate}\p{gc=Unassigned}]
285
 * with space=\p{Whitespace} and Control=Cc.
286
 * Implements UCHAR_POSIX_GRAPH.
287
 * @internal
288
 */
289
U_CFUNC UBool
290
0
u_isgraphPOSIX(UChar32 c) {
291
0
    uint32_t props;
292
0
    GET_PROPS(c, props);
293
0
    /* \p{space}\p{gc=Control} == \p{gc=Z}\p{Control} */
294
0
    /* comparing ==0 returns FALSE for the categories mentioned */
295
0
    return (UBool)((CAT_MASK(props)&
296
0
                    (U_GC_CC_MASK|U_GC_CS_MASK|U_GC_CN_MASK|U_GC_Z_MASK))
297
0
                   ==0);
298
0
}
299
300
U_CAPI UBool U_EXPORT2
301
0
u_ispunct(UChar32 c) {
302
0
    uint32_t props;
303
0
    GET_PROPS(c, props);
304
0
    return (UBool)((CAT_MASK(props)&U_GC_P_MASK)!=0);
305
0
}
306
307
/* Checks if the Unicode character can start a Unicode identifier.*/
308
U_CAPI UBool U_EXPORT2
309
0
u_isIDStart(UChar32 c) {
310
0
    /* same as u_isalpha() */
311
0
    uint32_t props;
312
0
    GET_PROPS(c, props);
313
0
    return (UBool)((CAT_MASK(props)&(U_GC_L_MASK|U_GC_NL_MASK))!=0);
314
0
}
315
316
/* Checks if the Unicode character can be a Unicode identifier part other than starting the
317
 identifier.*/
318
U_CAPI UBool U_EXPORT2
319
0
u_isIDPart(UChar32 c) {
320
0
    uint32_t props;
321
0
    GET_PROPS(c, props);
322
0
    return (UBool)(
323
0
           (CAT_MASK(props)&
324
0
            (U_GC_ND_MASK|U_GC_NL_MASK|
325
0
             U_GC_L_MASK|
326
0
             U_GC_PC_MASK|U_GC_MC_MASK|U_GC_MN_MASK)
327
0
           )!=0 ||
328
0
           u_isIDIgnorable(c));
329
0
}
330
331
/*Checks if the Unicode character can be ignorable in a Java or Unicode identifier.*/
332
U_CAPI UBool U_EXPORT2
333
0
u_isIDIgnorable(UChar32 c) {
334
0
    if(c<=0x9f) {
335
0
        return u_isISOControl(c) && !IS_THAT_ASCII_CONTROL_SPACE(c);
336
0
    } else {
337
0
        uint32_t props;
338
0
        GET_PROPS(c, props);
339
0
        return (UBool)(GET_CATEGORY(props)==U_FORMAT_CHAR);
340
0
    }
341
0
}
342
343
/*Checks if the Unicode character can start a Java identifier.*/
344
U_CAPI UBool U_EXPORT2
345
0
u_isJavaIDStart(UChar32 c) {
346
0
    uint32_t props;
347
0
    GET_PROPS(c, props);
348
0
    return (UBool)((CAT_MASK(props)&(U_GC_L_MASK|U_GC_SC_MASK|U_GC_PC_MASK))!=0);
349
0
}
350
351
/*Checks if the Unicode character can be a Java identifier part other than starting the
352
 * identifier.
353
 */
354
U_CAPI UBool U_EXPORT2
355
0
u_isJavaIDPart(UChar32 c) {
356
0
    uint32_t props;
357
0
    GET_PROPS(c, props);
358
0
    return (UBool)(
359
0
           (CAT_MASK(props)&
360
0
            (U_GC_ND_MASK|U_GC_NL_MASK|
361
0
             U_GC_L_MASK|
362
0
             U_GC_SC_MASK|U_GC_PC_MASK|
363
0
             U_GC_MC_MASK|U_GC_MN_MASK)
364
0
           )!=0 ||
365
0
           u_isIDIgnorable(c));
366
0
}
367
368
U_CAPI int32_t U_EXPORT2
369
0
u_charDigitValue(UChar32 c) {
370
0
    uint32_t props;
371
0
    int32_t value;
372
0
    GET_PROPS(c, props);
373
0
    value=(int32_t)GET_NUMERIC_TYPE_VALUE(props)-UPROPS_NTV_DECIMAL_START;
374
0
    if(value<=9) {
375
0
        return value;
376
0
    } else {
377
0
        return -1;
378
0
    }
379
0
}
380
381
U_CAPI double U_EXPORT2
382
17.0k
u_getNumericValue(UChar32 c) {
383
17.0k
    uint32_t props;
384
17.0k
    int32_t ntv;
385
17.0k
    GET_PROPS(c, props);
386
17.0k
    ntv=(int32_t)GET_NUMERIC_TYPE_VALUE(props);
387
17.0k
388
17.0k
    if(ntv==UPROPS_NTV_NONE) {
389
0
        return U_NO_NUMERIC_VALUE;
390
17.0k
    } else if(ntv<UPROPS_NTV_DIGIT_START) {
391
17.0k
        /* decimal digit */
392
17.0k
        return ntv-UPROPS_NTV_DECIMAL_START;
393
17.0k
    } else if(ntv<UPROPS_NTV_NUMERIC_START) {
394
0
        /* other digit */
395
0
        return ntv-UPROPS_NTV_DIGIT_START;
396
0
    } else if(ntv<UPROPS_NTV_FRACTION_START) {
397
0
        /* small integer */
398
0
        return ntv-UPROPS_NTV_NUMERIC_START;
399
0
    } else if(ntv<UPROPS_NTV_LARGE_START) {
400
0
        /* fraction */
401
0
        int32_t numerator=(ntv>>4)-12;
402
0
        int32_t denominator=(ntv&0xf)+1;
403
0
        return (double)numerator/denominator;
404
0
    } else if(ntv<UPROPS_NTV_BASE60_START) {
405
0
        /* large, single-significant-digit integer */
406
0
        double numValue;
407
0
        int32_t mant=(ntv>>5)-14;
408
0
        int32_t exp=(ntv&0x1f)+2;
409
0
        numValue=mant;
410
0
411
0
        /* multiply by 10^exp without math.h */
412
0
        while(exp>=4) {
413
0
            numValue*=10000.;
414
0
            exp-=4;
415
0
        }
416
0
        switch(exp) {
417
0
        case 3:
418
0
            numValue*=1000.;
419
0
            break;
420
0
        case 2:
421
0
            numValue*=100.;
422
0
            break;
423
0
        case 1:
424
0
            numValue*=10.;
425
0
            break;
426
0
        case 0:
427
0
        default:
428
0
            break;
429
0
        }
430
0
431
0
        return numValue;
432
0
    } else if(ntv<UPROPS_NTV_FRACTION20_START) {
433
0
        /* sexagesimal (base 60) integer */
434
0
        int32_t numValue=(ntv>>2)-0xbf;
435
0
        int32_t exp=(ntv&3)+1;
436
0
437
0
        switch(exp) {
438
0
        case 4:
439
0
            numValue*=60*60*60*60;
440
0
            break;
441
0
        case 3:
442
0
            numValue*=60*60*60;
443
0
            break;
444
0
        case 2:
445
0
            numValue*=60*60;
446
0
            break;
447
0
        case 1:
448
0
            numValue*=60;
449
0
            break;
450
0
        case 0:
451
0
        default:
452
0
            break;
453
0
        }
454
0
455
0
        return numValue;
456
0
    } else if(ntv<UPROPS_NTV_RESERVED_START) {
457
0
        // fraction-20 e.g. 3/80
458
0
        int32_t frac20=ntv-UPROPS_NTV_FRACTION20_START;  // 0..0x17
459
0
        int32_t numerator=2*(frac20&3)+1;
460
0
        int32_t denominator=20<<(frac20>>2);
461
0
        return (double)numerator/denominator;
462
0
    } else {
463
0
        /* reserved */
464
0
        return U_NO_NUMERIC_VALUE;
465
0
    }
466
17.0k
}
467
468
U_CAPI int32_t U_EXPORT2
469
0
u_digit(UChar32 ch, int8_t radix) {
470
0
    int8_t value;
471
0
    if((uint8_t)(radix-2)<=(36-2)) {
472
0
        value=(int8_t)u_charDigitValue(ch);
473
0
        if(value<0) {
474
0
            /* ch is not a decimal digit, try latin letters */
475
0
            if(ch>=0x61 && ch<=0x7A) {
476
0
                value=(int8_t)(ch-0x57);  /* ch - 'a' + 10 */
477
0
            } else if(ch>=0x41 && ch<=0x5A) {
478
0
                value=(int8_t)(ch-0x37);  /* ch - 'A' + 10 */
479
0
            } else if(ch>=0xFF41 && ch<=0xFF5A) {
480
0
                value=(int8_t)(ch-0xFF37);  /* fullwidth ASCII a-z */
481
0
            } else if(ch>=0xFF21 && ch<=0xFF3A) {
482
0
                value=(int8_t)(ch-0xFF17);  /* fullwidth ASCII A-Z */
483
0
            }
484
0
        }
485
0
    } else {
486
0
        value=-1;   /* invalid radix */
487
0
    }
488
0
    return (int8_t)((value<radix) ? value : -1);
489
0
}
490
491
U_CAPI UChar32 U_EXPORT2
492
0
u_forDigit(int32_t digit, int8_t radix) {
493
0
    if((uint8_t)(radix-2)>(36-2) || (uint32_t)digit>=(uint32_t)radix) {
494
0
        return 0;
495
0
    } else if(digit<10) {
496
0
        return (UChar32)(0x30+digit);
497
0
    } else {
498
0
        return (UChar32)((0x61-10)+digit);
499
0
    }
500
0
}
501
502
/* miscellaneous, and support for uprops.cpp -------------------------------- */
503
504
U_CAPI void U_EXPORT2
505
0
u_getUnicodeVersion(UVersionInfo versionArray) {
506
0
    if(versionArray!=NULL) {
507
0
        uprv_memcpy(versionArray, dataVersion, U_MAX_VERSION_LENGTH);
508
0
    }
509
0
}
510
511
U_CFUNC uint32_t
512
17.0k
u_getMainProperties(UChar32 c) {
513
17.0k
    uint32_t props;
514
17.0k
    GET_PROPS(c, props);
515
17.0k
    return props;
516
17.0k
}
517
518
U_CFUNC uint32_t
519
87.9k
u_getUnicodeProperties(UChar32 c, int32_t column) {
520
87.9k
    U_ASSERT(column>=0);
521
87.9k
    if(column>=propsVectorsColumns) {
522
0
        return 0;
523
87.9k
    } else {
524
87.9k
        uint16_t vecIndex=UTRIE2_GET16(&propsVectorsTrie, c);
525
87.9k
        return propsVectors[vecIndex+column];
526
87.9k
    }
527
87.9k
}
528
529
U_CFUNC int32_t
530
uprv_getMaxValues(int32_t column) {
531
    switch(column) {
532
    case 0:
533
        return indexes[UPROPS_MAX_VALUES_INDEX];
534
    case 2:
535
        return indexes[UPROPS_MAX_VALUES_2_INDEX];
536
    default:
537
        return 0;
538
    }
539
}
540
541
U_CAPI void U_EXPORT2
542
0
u_charAge(UChar32 c, UVersionInfo versionArray) {
543
0
    if(versionArray!=NULL) {
544
0
        uint32_t version=u_getUnicodeProperties(c, 0)>>UPROPS_AGE_SHIFT;
545
0
        versionArray[0]=(uint8_t)(version>>4);
546
0
        versionArray[1]=(uint8_t)(version&0xf);
547
0
        versionArray[2]=versionArray[3]=0;
548
0
    }
549
0
}
550
551
U_CAPI UScriptCode U_EXPORT2
552
86.2k
uscript_getScript(UChar32 c, UErrorCode *pErrorCode) {
553
86.2k
    uint32_t scriptX;
554
86.2k
    if(pErrorCode==NULL || U_FAILURE(*pErrorCode)) {
555
0
        return USCRIPT_INVALID_CODE;
556
0
    }
557
86.2k
    if((uint32_t)c>0x10ffff) {
558
0
        *pErrorCode=U_ILLEGAL_ARGUMENT_ERROR;
559
0
        return USCRIPT_INVALID_CODE;
560
0
    }
561
86.2k
    scriptX=u_getUnicodeProperties(c, 0)&UPROPS_SCRIPT_X_MASK;
562
86.2k
    if(scriptX<UPROPS_SCRIPT_X_WITH_COMMON) {
563
86.2k
        return (UScriptCode)scriptX;
564
86.2k
    } else if(scriptX<UPROPS_SCRIPT_X_WITH_INHERITED) {
565
0
        return USCRIPT_COMMON;
566
0
    } else if(scriptX<UPROPS_SCRIPT_X_WITH_OTHER) {
567
0
        return USCRIPT_INHERITED;
568
0
    } else {
569
0
        return (UScriptCode)scriptExtensions[scriptX&UPROPS_SCRIPT_MASK];
570
0
    }
571
86.2k
}
572
573
U_CAPI UBool U_EXPORT2
574
0
uscript_hasScript(UChar32 c, UScriptCode sc) {
575
0
    const uint16_t *scx;
576
0
    uint32_t scriptX=u_getUnicodeProperties(c, 0)&UPROPS_SCRIPT_X_MASK;
577
0
    if(scriptX<UPROPS_SCRIPT_X_WITH_COMMON) {
578
0
        return sc==(UScriptCode)scriptX;
579
0
    }
580
0
581
0
    scx=scriptExtensions+(scriptX&UPROPS_SCRIPT_MASK);
582
0
    if(scriptX>=UPROPS_SCRIPT_X_WITH_OTHER) {
583
0
        scx=scriptExtensions+scx[1];
584
0
    }
585
0
    if(sc>=USCRIPT_CODE_LIMIT) {
586
0
        /* Guard against bogus input that would make us go past the Script_Extensions terminator. */
587
0
        return FALSE;
588
0
    }
589
0
    while(sc>*scx) {
590
0
        ++scx;
591
0
    }
592
0
    return sc==(*scx&0x7fff);
593
0
}
594
595
U_CAPI int32_t U_EXPORT2
596
uscript_getScriptExtensions(UChar32 c,
597
                            UScriptCode *scripts, int32_t capacity,
598
1.73k
                            UErrorCode *pErrorCode) {
599
1.73k
    uint32_t scriptX;
600
1.73k
    int32_t length;
601
1.73k
    const uint16_t *scx;
602
1.73k
    uint16_t sx;
603
1.73k
    if(pErrorCode==NULL || U_FAILURE(*pErrorCode)) {
604
0
        return 0;
605
0
    }
606
1.73k
    if(capacity<0 || (capacity>0 && scripts==NULL)) {
607
0
        *pErrorCode=U_ILLEGAL_ARGUMENT_ERROR;
608
0
        return 0;
609
0
    }
610
1.73k
    scriptX=u_getUnicodeProperties(c, 0)&UPROPS_SCRIPT_X_MASK;
611
1.73k
    if(scriptX<UPROPS_SCRIPT_X_WITH_COMMON) {
612
1.73k
        if(capacity==0) {
613
0
            *pErrorCode=U_BUFFER_OVERFLOW_ERROR;
614
1.73k
        } else {
615
1.73k
            scripts[0]=(UScriptCode)scriptX;
616
1.73k
        }
617
1.73k
        return 1;
618
1.73k
    }
619
0
620
0
    scx=scriptExtensions+(scriptX&UPROPS_SCRIPT_MASK);
621
0
    if(scriptX>=UPROPS_SCRIPT_X_WITH_OTHER) {
622
0
        scx=scriptExtensions+scx[1];
623
0
    }
624
0
    length=0;
625
0
    do {
626
0
        sx=*scx++;
627
0
        if(length<capacity) {
628
0
            scripts[length]=(UScriptCode)(sx&0x7fff);
629
0
        }
630
0
        ++length;
631
0
    } while(sx<0x8000);
632
0
    if(length>capacity) {
633
0
        *pErrorCode=U_BUFFER_OVERFLOW_ERROR;
634
0
    }
635
0
    return length;
636
0
}
637
638
U_CAPI UBlockCode U_EXPORT2
639
0
ublock_getCode(UChar32 c) {
640
0
    return (UBlockCode)((u_getUnicodeProperties(c, 0)&UPROPS_BLOCK_MASK)>>UPROPS_BLOCK_SHIFT);
641
0
}
642
643
/* property starts for UnicodeSet ------------------------------------------- */
644
645
static UBool U_CALLCONV
646
0
_enumPropertyStartsRange(const void *context, UChar32 start, UChar32 end, uint32_t value) {
647
0
    /* add the start code point to the USet */
648
0
    const USetAdder *sa=(const USetAdder *)context;
649
0
    sa->add(sa->set, start);
650
0
    (void)end;
651
0
    (void)value;
652
0
    return TRUE;
653
0
}
654
655
0
#define USET_ADD_CP_AND_NEXT(sa, cp) sa->add(sa->set, cp); sa->add(sa->set, cp+1)
656
657
U_CFUNC void U_EXPORT2
658
0
uchar_addPropertyStarts(const USetAdder *sa, UErrorCode *pErrorCode) {
659
0
    if(U_FAILURE(*pErrorCode)) {
660
0
        return;
661
0
    }
662
0
663
0
    /* add the start code point of each same-value range of the main trie */
664
0
    utrie2_enum(&propsTrie, NULL, _enumPropertyStartsRange, sa);
665
0
666
0
    /* add code points with hardcoded properties, plus the ones following them */
667
0
668
0
    /* add for u_isblank() */
669
0
    USET_ADD_CP_AND_NEXT(sa, TAB);
670
0
671
0
    /* add for IS_THAT_CONTROL_SPACE() */
672
0
    sa->add(sa->set, CR+1); /* range TAB..CR */
673
0
    sa->add(sa->set, 0x1c);
674
0
    sa->add(sa->set, 0x1f+1);
675
0
    USET_ADD_CP_AND_NEXT(sa, NL);
676
0
677
0
    /* add for u_isIDIgnorable() what was not added above */
678
0
    sa->add(sa->set, DEL); /* range DEL..NBSP-1, NBSP added below */
679
0
    sa->add(sa->set, HAIRSP);
680
0
    sa->add(sa->set, RLM+1);
681
0
    sa->add(sa->set, INHSWAP);
682
0
    sa->add(sa->set, NOMDIG+1);
683
0
    USET_ADD_CP_AND_NEXT(sa, ZWNBSP);
684
0
685
0
    /* add no-break spaces for u_isWhitespace() what was not added above */
686
0
    USET_ADD_CP_AND_NEXT(sa, NBSP);
687
0
    USET_ADD_CP_AND_NEXT(sa, FIGURESP);
688
0
    USET_ADD_CP_AND_NEXT(sa, NNBSP);
689
0
690
0
    /* add for u_digit() */
691
0
    sa->add(sa->set, U_a);
692
0
    sa->add(sa->set, U_z+1);
693
0
    sa->add(sa->set, U_A);
694
0
    sa->add(sa->set, U_Z+1);
695
0
    sa->add(sa->set, U_FW_a);
696
0
    sa->add(sa->set, U_FW_z+1);
697
0
    sa->add(sa->set, U_FW_A);
698
0
    sa->add(sa->set, U_FW_Z+1);
699
0
700
0
    /* add for u_isxdigit() */
701
0
    sa->add(sa->set, U_f+1);
702
0
    sa->add(sa->set, U_F+1);
703
0
    sa->add(sa->set, U_FW_f+1);
704
0
    sa->add(sa->set, U_FW_F+1);
705
0
706
0
    /* add for UCHAR_DEFAULT_IGNORABLE_CODE_POINT what was not added above */
707
0
    sa->add(sa->set, WJ); /* range WJ..NOMDIG */
708
0
    sa->add(sa->set, 0xfff0);
709
0
    sa->add(sa->set, 0xfffb+1);
710
0
    sa->add(sa->set, 0xe0000);
711
0
    sa->add(sa->set, 0xe0fff+1);
712
0
713
0
    /* add for UCHAR_GRAPHEME_BASE and others */
714
0
    USET_ADD_CP_AND_NEXT(sa, CGJ);
715
0
}
716
717
U_CFUNC void U_EXPORT2
718
0
upropsvec_addPropertyStarts(const USetAdder *sa, UErrorCode *pErrorCode) {
719
0
    if(U_FAILURE(*pErrorCode)) {
720
0
        return;
721
0
    }
722
0
723
0
    /* add the start code point of each same-value range of the properties vectors trie */
724
0
    utrie2_enum(&propsVectorsTrie, NULL, _enumPropertyStartsRange, sa);
725
0
}