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Side by Side Diff: source/common/ustrtrns.cpp

Issue 845603002: Update ICU to 54.1 step 1 (Closed) Base URL: https://chromium.googlesource.com/chromium/deps/icu.git@master
Patch Set: remove unusued directories Created 5 years, 11 months ago
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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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