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1 /* | 1 /* |
2 ****************************************************************************** | 2 ****************************************************************************** |
3 * | 3 * |
4 * Copyright (C) 2001-2013, International Business Machines | 4 * Copyright (C) 2001-2014, International Business Machines |
5 * Corporation and others. All Rights Reserved. | 5 * Corporation and others. All Rights Reserved. |
6 * | 6 * |
7 ****************************************************************************** | 7 ****************************************************************************** |
8 * | 8 * |
9 * File ustrtrns.cpp | 9 * File ustrtrns.cpp |
10 * | 10 * |
11 * Modification History: | 11 * Modification History: |
12 * | 12 * |
13 * Date Name Description | 13 * Date Name Description |
14 * 9/10/2001 Ram Creation. | 14 * 9/10/2001 Ram Creation. |
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27 #include "unicode/putil.h" | 27 #include "unicode/putil.h" |
28 #include "unicode/ustring.h" | 28 #include "unicode/ustring.h" |
29 #include "unicode/utf.h" | 29 #include "unicode/utf.h" |
30 #include "unicode/utf8.h" | 30 #include "unicode/utf8.h" |
31 #include "unicode/utf16.h" | 31 #include "unicode/utf16.h" |
32 #include "cstring.h" | 32 #include "cstring.h" |
33 #include "cmemory.h" | 33 #include "cmemory.h" |
34 #include "ustr_imp.h" | 34 #include "ustr_imp.h" |
35 #include "uassert.h" | 35 #include "uassert.h" |
36 | 36 |
37 #define LENGTHOF(array) (int32_t)(sizeof(array)/sizeof((array)[0])) | |
38 | |
39 U_CAPI UChar* U_EXPORT2 | 37 U_CAPI UChar* U_EXPORT2 |
40 u_strFromUTF32WithSub(UChar *dest, | 38 u_strFromUTF32WithSub(UChar *dest, |
41 int32_t destCapacity, | 39 int32_t destCapacity, |
42 int32_t *pDestLength, | 40 int32_t *pDestLength, |
43 const UChar32 *src, | 41 const UChar32 *src, |
44 int32_t srcLength, | 42 int32_t srcLength, |
45 UChar32 subchar, int32_t *pNumSubstitutions, | 43 UChar32 subchar, int32_t *pNumSubstitutions, |
46 UErrorCode *pErrorCode) { | 44 UErrorCode *pErrorCode) { |
47 const UChar32 *srcLimit; | 45 const UChar32 *srcLimit; |
48 UChar32 ch; | 46 UChar32 ch; |
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376 case 0: | 374 case 0: |
377 return U_SENTINEL; | 375 return U_SENTINEL; |
378 /* no default branch to optimize switch() - all values are covered */ | 376 /* no default branch to optimize switch() - all values are covered */ |
379 } | 377 } |
380 } else { | 378 } else { |
381 illegal=1; /* too few bytes left */ | 379 illegal=1; /* too few bytes left */ |
382 } | 380 } |
383 | 381 |
384 /* correct sequence - all trail bytes have (b7..b6)==(10)? */ | 382 /* correct sequence - all trail bytes have (b7..b6)==(10)? */ |
385 /* illegal is also set if count>=4 */ | 383 /* illegal is also set if count>=4 */ |
386 U_ASSERT(illegal || count<LENGTHOF(utf8_minLegal)); | 384 U_ASSERT(illegal || count<UPRV_LENGTHOF(utf8_minLegal)); |
387 if(illegal || c<utf8_minLegal[count] || U_IS_SURROGATE(c)) { | 385 if(illegal || c<utf8_minLegal[count] || U_IS_SURROGATE(c)) { |
388 /* error handling */ | 386 /* error handling */ |
389 /* don't go beyond this sequence */ | 387 /* don't go beyond this sequence */ |
390 s=*ps; | 388 s=*ps; |
391 while(count>0 && s<limit && U8_IS_TRAIL(*s)) { | 389 while(count>0 && s<limit && U8_IS_TRAIL(*s)) { |
392 ++s; | 390 ++s; |
393 --count; | 391 --count; |
394 } | 392 } |
395 c=U_SENTINEL; | 393 c=U_SENTINEL; |
396 } | 394 } |
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1639 | 1637 |
1640 reqLength+=(int32_t)(pDest - (uint8_t *)dest); | 1638 reqLength+=(int32_t)(pDest - (uint8_t *)dest); |
1641 if(pDestLength){ | 1639 if(pDestLength){ |
1642 *pDestLength = reqLength; | 1640 *pDestLength = reqLength; |
1643 } | 1641 } |
1644 | 1642 |
1645 /* Terminate the buffer */ | 1643 /* Terminate the buffer */ |
1646 u_terminateChars(dest, destCapacity, reqLength, pErrorCode); | 1644 u_terminateChars(dest, destCapacity, reqLength, pErrorCode); |
1647 return dest; | 1645 return dest; |
1648 } | 1646 } |
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