ICU 65.1  65.1
utext.h
Go to the documentation of this file.
1 // © 2016 and later: Unicode, Inc. and others.
2 // License & terms of use: http://www.unicode.org/copyright.html
3 /*
4 *******************************************************************************
5 *
6 * Copyright (C) 2004-2012, International Business Machines
7 * Corporation and others. All Rights Reserved.
8 *
9 *******************************************************************************
10 * file name: utext.h
11 * encoding: UTF-8
12 * tab size: 8 (not used)
13 * indentation:4
14 *
15 * created on: 2004oct06
16 * created by: Markus W. Scherer
17 */
18 
19 #ifndef __UTEXT_H__
20 #define __UTEXT_H__
21 
140 #include "unicode/utypes.h"
141 #include "unicode/uchar.h"
142 #if U_SHOW_CPLUSPLUS_API
143 #include "unicode/localpointer.h"
144 #include "unicode/rep.h"
145 #include "unicode/unistr.h"
146 #include "unicode/chariter.h"
147 #endif
148 
149 
151 
152 struct UText;
153 typedef struct UText UText;
156 /***************************************************************************************
157  *
158  * C Functions for creating UText wrappers around various kinds of text strings.
159  *
160  ****************************************************************************************/
161 
162 
183 U_STABLE UText * U_EXPORT2
184 utext_close(UText *ut);
185 
186 #if U_SHOW_CPLUSPLUS_API
187 
188 U_NAMESPACE_BEGIN
189 
200 
201 U_NAMESPACE_END
202 
203 #endif
204 
226 U_STABLE UText * U_EXPORT2
227 utext_openUTF8(UText *ut, const char *s, int64_t length, UErrorCode *status);
228 
229 
244 U_STABLE UText * U_EXPORT2
245 utext_openUChars(UText *ut, const UChar *s, int64_t length, UErrorCode *status);
246 
247 
248 #if U_SHOW_CPLUSPLUS_API
249 
261 U_STABLE UText * U_EXPORT2
263 
264 
277 U_STABLE UText * U_EXPORT2
279 
280 
293 U_STABLE UText * U_EXPORT2
295 
308 U_STABLE UText * U_EXPORT2
310 
311 #endif
312 
313 
371 U_STABLE UText * U_EXPORT2
372 utext_clone(UText *dest, const UText *src, UBool deep, UBool readOnly, UErrorCode *status);
373 
374 
386 U_STABLE UBool U_EXPORT2
387 utext_equals(const UText *a, const UText *b);
388 
389 
390 /*****************************************************************************
391  *
392  * Functions to work with the text represented by a UText wrapper
393  *
394  *****************************************************************************/
395 
407 U_STABLE int64_t U_EXPORT2
409 
423 U_STABLE UBool U_EXPORT2
424 utext_isLengthExpensive(const UText *ut);
425 
451 U_STABLE UChar32 U_EXPORT2
452 utext_char32At(UText *ut, int64_t nativeIndex);
453 
454 
465 U_STABLE UChar32 U_EXPORT2
467 
468 
487 U_STABLE UChar32 U_EXPORT2
488 utext_next32(UText *ut);
489 
490 
508 U_STABLE UChar32 U_EXPORT2
510 
511 
530 U_STABLE UChar32 U_EXPORT2
531 utext_next32From(UText *ut, int64_t nativeIndex);
532 
533 
534 
550 U_STABLE UChar32 U_EXPORT2
551 utext_previous32From(UText *ut, int64_t nativeIndex);
552 
565 U_STABLE int64_t U_EXPORT2
566 utext_getNativeIndex(const UText *ut);
567 
591 U_STABLE void U_EXPORT2
592 utext_setNativeIndex(UText *ut, int64_t nativeIndex);
593 
610 U_STABLE UBool U_EXPORT2
611 utext_moveIndex32(UText *ut, int32_t delta);
612 
635 U_STABLE int64_t U_EXPORT2
637 
638 
673 U_STABLE int32_t U_EXPORT2
674 utext_extract(UText *ut,
675  int64_t nativeStart, int64_t nativeLimit,
676  UChar *dest, int32_t destCapacity,
677  UErrorCode *status);
678 
679 
680 
681 /************************************************************************************
682  *
683  * #define inline versions of selected performance-critical text access functions
684  * Caution: do not use auto increment++ or decrement-- expressions
685  * as parameters to these macros.
686  *
687  * For most use, where there is no extreme performance constraint, the
688  * normal, non-inline functions are a better choice. The resulting code
689  * will be smaller, and, if the need ever arises, easier to debug.
690  *
691  * These are implemented as #defines rather than real functions
692  * because there is no fully portable way to do inline functions in plain C.
693  *
694  ************************************************************************************/
695 
696 #ifndef U_HIDE_INTERNAL_API
697 
706 #define UTEXT_CURRENT32(ut) \
707  ((ut)->chunkOffset < (ut)->chunkLength && ((ut)->chunkContents)[(ut)->chunkOffset]<0xd800 ? \
708  ((ut)->chunkContents)[((ut)->chunkOffset)] : utext_current32(ut))
709 #endif /* U_HIDE_INTERNAL_API */
710 
722 #define UTEXT_NEXT32(ut) \
723  ((ut)->chunkOffset < (ut)->chunkLength && ((ut)->chunkContents)[(ut)->chunkOffset]<0xd800 ? \
724  ((ut)->chunkContents)[((ut)->chunkOffset)++] : utext_next32(ut))
725 
736 #define UTEXT_PREVIOUS32(ut) \
737  ((ut)->chunkOffset > 0 && \
738  (ut)->chunkContents[(ut)->chunkOffset-1] < 0xd800 ? \
739  (ut)->chunkContents[--((ut)->chunkOffset)] : utext_previous32(ut))
740 
753 #define UTEXT_GETNATIVEINDEX(ut) \
754  ((ut)->chunkOffset <= (ut)->nativeIndexingLimit? \
755  (ut)->chunkNativeStart+(ut)->chunkOffset : \
756  (ut)->pFuncs->mapOffsetToNative(ut))
757 
769 #define UTEXT_SETNATIVEINDEX(ut, ix) UPRV_BLOCK_MACRO_BEGIN { \
770  int64_t __offset = (ix) - (ut)->chunkNativeStart; \
771  if (__offset>=0 && __offset<(int64_t)(ut)->nativeIndexingLimit && (ut)->chunkContents[__offset]<0xdc00) { \
772  (ut)->chunkOffset=(int32_t)__offset; \
773  } else { \
774  utext_setNativeIndex((ut), (ix)); \
775  } \
776 } UPRV_BLOCK_MACRO_END
777 
778 
779 
780 /************************************************************************************
781  *
782  * Functions related to writing or modifying the text.
783  * These will work only with modifiable UTexts. Attempting to
784  * modify a read-only UText will return an error status.
785  *
786  ************************************************************************************/
787 
788 
807 U_STABLE UBool U_EXPORT2
808 utext_isWritable(const UText *ut);
809 
810 
819 U_STABLE UBool U_EXPORT2
820 utext_hasMetaData(const UText *ut);
821 
822 
850 U_STABLE int32_t U_EXPORT2
851 utext_replace(UText *ut,
852  int64_t nativeStart, int64_t nativeLimit,
853  const UChar *replacementText, int32_t replacementLength,
854  UErrorCode *status);
855 
856 
857 
890 U_STABLE void U_EXPORT2
891 utext_copy(UText *ut,
892  int64_t nativeStart, int64_t nativeLimit,
893  int64_t destIndex,
894  UBool move,
895  UErrorCode *status);
896 
897 
919 U_STABLE void U_EXPORT2
920 utext_freeze(UText *ut);
921 
922 
929 enum {
963 };
964 
1002 typedef UText * U_CALLCONV
1003 UTextClone(UText *dest, const UText *src, UBool deep, UErrorCode *status);
1004 
1005 
1014 typedef int64_t U_CALLCONV
1016 
1042 typedef UBool U_CALLCONV
1043 UTextAccess(UText *ut, int64_t nativeIndex, UBool forward);
1044 
1072 typedef int32_t U_CALLCONV
1073 UTextExtract(UText *ut,
1074  int64_t nativeStart, int64_t nativeLimit,
1075  UChar *dest, int32_t destCapacity,
1076  UErrorCode *status);
1077 
1107 typedef int32_t U_CALLCONV
1108 UTextReplace(UText *ut,
1109  int64_t nativeStart, int64_t nativeLimit,
1110  const UChar *replacementText, int32_t replacmentLength,
1111  UErrorCode *status);
1112 
1141 typedef void U_CALLCONV
1142 UTextCopy(UText *ut,
1143  int64_t nativeStart, int64_t nativeLimit,
1144  int64_t nativeDest,
1145  UBool move,
1146  UErrorCode *status);
1147 
1161 typedef int64_t U_CALLCONV
1162 UTextMapOffsetToNative(const UText *ut);
1163 
1179 typedef int32_t U_CALLCONV
1180 UTextMapNativeIndexToUTF16(const UText *ut, int64_t nativeIndex);
1181 
1182 
1200 typedef void U_CALLCONV
1201 UTextClose(UText *ut);
1202 
1203 
1213 struct UTextFuncs {
1228  int32_t tableSize;
1229 
1235  int32_t reserved1, reserved2, reserved3;
1236 
1237 
1244  UTextClone *clone;
1245 
1254 
1262 
1270 
1278 
1285  UTextCopy *copy;
1286 
1294 
1302 
1309  UTextClose *close;
1310 
1315  UTextClose *spare1;
1316 
1321  UTextClose *spare2;
1322 
1327  UTextClose *spare3;
1328 
1329 };
1334 typedef struct UTextFuncs UTextFuncs;
1335 
1347 struct UText {
1360  uint32_t magic;
1361 
1362 
1368  int32_t flags;
1369 
1370 
1376  int32_t providerProperties;
1377 
1384  int32_t sizeOfStruct;
1385 
1386  /* ------ 16 byte alignment boundary ----------- */
1387 
1388 
1394  int64_t chunkNativeLimit;
1395 
1400  int32_t extraSize;
1401 
1409  int32_t nativeIndexingLimit;
1410 
1411  /* ---- 16 byte alignment boundary------ */
1412 
1417  int64_t chunkNativeStart;
1418 
1424  int32_t chunkOffset;
1425 
1430  int32_t chunkLength;
1431 
1432  /* ---- 16 byte alignment boundary-- */
1433 
1434 
1441  const UChar *chunkContents;
1442 
1447  const UTextFuncs *pFuncs;
1448 
1454  void *pExtra;
1455 
1462  const void *context;
1463 
1464  /* --- 16 byte alignment boundary--- */
1465 
1471  const void *p;
1477  const void *q;
1483  const void *r;
1484 
1490  void *privP;
1491 
1492 
1493  /* --- 16 byte alignment boundary--- */
1494 
1495 
1501  int64_t a;
1502 
1508  int32_t b;
1509 
1515  int32_t c;
1516 
1517  /* ---- 16 byte alignment boundary---- */
1518 
1519 
1525  int64_t privA;
1531  int32_t privB;
1537  int32_t privC;
1538 };
1539 
1540 
1557 U_STABLE UText * U_EXPORT2
1558 utext_setup(UText *ut, int32_t extraSpace, UErrorCode *status);
1559 
1560 // do not use #ifndef U_HIDE_INTERNAL_API around the following!
1566 enum {
1567  UTEXT_MAGIC = 0x345ad82c
1568 };
1569 
1577 #define UTEXT_INITIALIZER { \
1578  UTEXT_MAGIC, /* magic */ \
1579  0, /* flags */ \
1580  0, /* providerProps */ \
1581  sizeof(UText), /* sizeOfStruct */ \
1582  0, /* chunkNativeLimit */ \
1583  0, /* extraSize */ \
1584  0, /* nativeIndexingLimit */ \
1585  0, /* chunkNativeStart */ \
1586  0, /* chunkOffset */ \
1587  0, /* chunkLength */ \
1588  NULL, /* chunkContents */ \
1589  NULL, /* pFuncs */ \
1590  NULL, /* pExtra */ \
1591  NULL, /* context */ \
1592  NULL, NULL, NULL, /* p, q, r */ \
1593  NULL, /* privP */ \
1594  0, 0, 0, /* a, b, c */ \
1595  0, 0, 0 /* privA,B,C, */ \
1596  }
1597 
1598 
1600 
1601 
1602 
1603 #endif
utext_close
UText * utext_close(UText *ut)
Close function for UText instances.
utext_openUChars
UText * utext_openUChars(UText *ut, const UChar *s, int64_t length, UErrorCode *status)
Open a read-only UText for UChar * string.
UTextCopy
void UTextCopy(UText *ut, int64_t nativeStart, int64_t nativeLimit, int64_t nativeDest, UBool move, UErrorCode *status)
Function type declaration for UText.copy().
Definition: utext.h:1138
utypes.h
Basic definitions for ICU, for both C and C++ APIs.
utext_next32
UChar32 utext_next32(UText *ut)
Get the code point at the current iteration position of the UText, and advance the position to the fi...
utext_clone
UText * utext_clone(UText *dest, const UText *src, UBool deep, UBool readOnly, UErrorCode *status)
Clone a UText.
utext_hasMetaData
UBool utext_hasMetaData(const UText *ut)
Test whether there is meta data associated with the text.
UTextReplace
int32_t UTextReplace(UText *ut, int64_t nativeStart, int64_t nativeLimit, const UChar *replacementText, int32_t replacmentLength, UErrorCode *status)
Function type declaration for UText.replace().
Definition: utext.h:1104
UTEXT_PROVIDER_STABLE_CHUNKS
Text chunks remain valid and usable until the text object is modified or deleted, not just until the ...
Definition: utext.h:937
UBool
int8_t UBool
The ICU boolean type.
Definition: umachine.h:261
UTextFuncs::spare3
UTextClose * spare3
(private) Spare function pointer
Definition: utext.h:1323
UTextNativeLength
int64_t UTextNativeLength(UText *ut)
Function type declaration for UText.nativeLength().
Definition: utext.h:1011
UText::providerProperties
int32_t providerProperties
Text provider properties.
Definition: utext.h:1372
icu::Replaceable
Replaceable is an abstract base class representing a string of characters that supports the replaceme...
Definition: rep.h:77
utext_previous32
UChar32 utext_previous32(UText *ut)
Move the iterator position to the character (code point) whose index precedes the current position,...
UTextFuncs::clone
UTextClone * clone
(public) Function pointer for UTextClone
Definition: utext.h:1240
UText::nativeIndexingLimit
int32_t nativeIndexingLimit
(protected) The highest chunk offset where native indexing and chunk (UTF-16) indexing correspond.
Definition: utext.h:1405
U_CALLCONV
#define U_CALLCONV
Definition: platform.h:870
utext_equals
UBool utext_equals(const UText *a, const UText *b)
Compare two UText objects for equality.
UTextFuncs::nativeLength
UTextNativeLength * nativeLength
(public) function pointer for UTextLength May be expensive to compute!
Definition: utext.h:1249
utext_next32From
UChar32 utext_next32From(UText *ut, int64_t nativeIndex)
Set the iteration index and return the code point at that index.
utext_replace
int32_t utext_replace(UText *ut, int64_t nativeStart, int64_t nativeLimit, const UChar *replacementText, int32_t replacementLength, UErrorCode *status)
Replace a range of the original text with a replacement text.
utext_copy
void utext_copy(UText *ut, int64_t nativeStart, int64_t nativeLimit, int64_t destIndex, UBool move, UErrorCode *status)
Copy or move a substring from one position to another within the text, while retaining any metadata a...
UText::chunkNativeStart
int64_t chunkNativeStart
(protected) Native index of the first character in the text chunk.
Definition: utext.h:1413
UTextFuncs::access
UTextAccess * access
(public) Function pointer for UTextAccess.
Definition: utext.h:1257
utext_setup
UText * utext_setup(UText *ut, int32_t extraSpace, UErrorCode *status)
Common function for use by Text Provider implementations to allocate and/or initialize a new UText st...
UTextFuncs::mapNativeIndexToUTF16
UTextMapNativeIndexToUTF16 * mapNativeIndexToUTF16
(public) Function pointer for UTextMapNativeIndexToUTF16.
Definition: utext.h:1297
UTextFuncs::reserved1
int32_t reserved1
(private) Alignment padding.
Definition: utext.h:1231
utext_isWritable
UBool utext_isWritable(const UText *ut)
Return TRUE if the text can be written (modified) with utext_replace() or utext_copy().
UText::privC
int32_t privC
Private field reserved for future use by the UText framework itself.
Definition: utext.h:1533
UTextClone
UText * UTextClone(UText *dest, const UText *src, UBool deep, UErrorCode *status)
Function type declaration for UText.clone().
Definition: utext.h:999
UTextFuncs::close
UTextClose * close
(public) Function pointer for UTextClose.
Definition: utext.h:1305
UTextMapNativeIndexToUTF16
int32_t UTextMapNativeIndexToUTF16(const UText *ut, int64_t nativeIndex)
Function type declaration for UText.mapIndexToUTF16().
Definition: utext.h:1176
icu::UnicodeString
UnicodeString is a string class that stores Unicode characters directly and provides similar function...
Definition: unistr.h:294
UTextFuncs::tableSize
int32_t tableSize
(public) Function table size, sizeof(UTextFuncs) Intended for use should the table grow to accommodat...
Definition: utext.h:1224
UText::q
const void * q
(protected) Pointer fields available for use by the text provider.
Definition: utext.h:1473
UTextFuncs
(public) Function dispatch table for UText.
Definition: utext.h:1209
UText::chunkLength
int32_t chunkLength
(protected) Length the text chunk (UTF-16 buffer), in UChars.
Definition: utext.h:1426
UChar32
int32_t UChar32
Define UChar32 as a type for single Unicode code points.
Definition: umachine.h:425
UText::a
int64_t a
(protected) Integer field reserved for use by the text provider.
Definition: utext.h:1497
utext_setNativeIndex
void utext_setNativeIndex(UText *ut, int64_t nativeIndex)
Set the current iteration position to the nearest code point boundary at or preceding the specified i...
UTextFuncs::copy
UTextCopy * copy
(public) Function pointer for UTextCopy.
Definition: utext.h:1281
UErrorCode
UErrorCode
Standard ICU4C error code type, a substitute for exceptions.
Definition: utypes.h:415
utext_char32At
UChar32 utext_char32At(UText *ut, int64_t nativeIndex)
Returns the code point at the requested index, or U_SENTINEL (-1) if it is out of bounds.
utext_openUnicodeString
UText * utext_openUnicodeString(UText *ut, icu::UnicodeString *s, UErrorCode *status)
Open a writable UText for a non-const UnicodeString.
UText::b
int32_t b
(protected) Integer field reserved for use by the text provider.
Definition: utext.h:1504
UTextFuncs::extract
UTextExtract * extract
(public) Function pointer for UTextExtract.
Definition: utext.h:1265
UText::privP
void * privP
Private field reserved for future use by the UText framework itself.
Definition: utext.h:1486
UTextFuncs::reserved3
int32_t reserved3
Definition: utext.h:1231
utext_getNativeIndex
int64_t utext_getNativeIndex(const UText *ut)
Get the current iterator position, which can range from 0 to the length of the text.
utext_isLengthExpensive
UBool utext_isLengthExpensive(const UText *ut)
Return TRUE if calculating the length of the text could be expensive.
UTEXT_PROVIDER_WRITABLE
The provider supports modifying the text via the replace() and copy() functions.
Definition: utext.h:944
U_CDECL_END
#define U_CDECL_END
Definition: umachine.h:85
UText::pExtra
void * pExtra
(protected) Pointer to additional space requested by the text provider during the utext_open operatio...
Definition: utext.h:1450
U_CDECL_BEGIN
#define U_CDECL_BEGIN
Definition: umachine.h:84
UText
UText struct.
Definition: utext.h:1343
utext_extract
int32_t utext_extract(UText *ut, int64_t nativeStart, int64_t nativeLimit, UChar *dest, int32_t destCapacity, UErrorCode *status)
Extract text from a UText into a UChar buffer.
UText::chunkNativeLimit
int64_t chunkNativeLimit
(protected) Native index of the first character position following the current chunk.
Definition: utext.h:1390
UText::context
const void * context
(protected) Pointer to string or text-containing object or similar.
Definition: utext.h:1458
UTextFuncs::spare2
UTextClose * spare2
(private) Spare function pointer
Definition: utext.h:1317
utext_openCharacterIterator
UText * utext_openCharacterIterator(UText *ut, icu::CharacterIterator *ci, UErrorCode *status)
Open a UText implementation over an ICU CharacterIterator.
U_DEFINE_LOCAL_OPEN_POINTER
#define U_DEFINE_LOCAL_OPEN_POINTER(LocalPointerClassName, Type, closeFunction)
Definition: localpointer.h:562
icu::CharacterIterator
Abstract class that defines an API for iteration on text objects.
Definition: chariter.h:361
UText::p
const void * p
(protected) Pointer fields available for use by the text provider.
Definition: utext.h:1467
utext_openReplaceable
UText * utext_openReplaceable(UText *ut, icu::Replaceable *rep, UErrorCode *status)
Open a writable UText implementation for an ICU Replaceable object.
UText::magic
uint32_t magic
Definition: utext.h:1356
utext_current32
UChar32 utext_current32(UText *ut)
Get the code point at the current iteration position, or U_SENTINEL (-1) if the iteration has reached...
UText::pFuncs
const UTextFuncs * pFuncs
(public) Pointer to Dispatch table for accessing functions for this UText.
Definition: utext.h:1443
utext_nativeLength
int64_t utext_nativeLength(UText *ut)
Get the length of the text.
UText::sizeOfStruct
int32_t sizeOfStruct
(public) sizeOfStruct=sizeof(UText) Allows possible backward compatible extension.
Definition: utext.h:1380
utext_getPreviousNativeIndex
int64_t utext_getPreviousNativeIndex(UText *ut)
Get the native index of the character preceding the current position.
utext_openUTF8
UText * utext_openUTF8(UText *ut, const char *s, int64_t length, UErrorCode *status)
Open a read-only UText implementation for UTF-8 strings.
UTextExtract
int32_t UTextExtract(UText *ut, int64_t nativeStart, int64_t nativeLimit, UChar *dest, int32_t destCapacity, UErrorCode *status)
Function type declaration for UText.extract().
Definition: utext.h:1069
localpointer.h
C++ API: "Smart pointers" for use with and in ICU4C C++ code.
UText::privB
int32_t privB
Private field reserved for future use by the UText framework itself.
Definition: utext.h:1527
UTEXT_PROVIDER_HAS_META_DATA
There is meta data associated with the text.
Definition: utext.h:950
utext_previous32From
UChar32 utext_previous32From(UText *ut, int64_t nativeIndex)
Set the iteration index, and return the code point preceding the one specified by the initial index.
UTextFuncs::reserved2
int32_t reserved2
Definition: utext.h:1231
U_STABLE
#define U_STABLE
This is used to declare a function as a stable public ICU C API.
Definition: umachine.h:111
chariter.h
C++ API: Character Iterator.
UTextFuncs::replace
UTextReplace * replace
(public) Function pointer for UTextReplace.
Definition: utext.h:1273
UText::extraSize
int32_t extraSize
(protected) Size in bytes of the extra space (pExtra).
Definition: utext.h:1396
rep.h
C++ API: Replaceable String.
UText::privA
int64_t privA
Private field reserved for future use by the UText framework itself.
Definition: utext.h:1521
UTextAccess
UBool UTextAccess(UText *ut, int64_t nativeIndex, UBool forward)
Function type declaration for UText.access().
Definition: utext.h:1039
utext_moveIndex32
UBool utext_moveIndex32(UText *ut, int32_t delta)
Move the iterator position by delta code points.
uchar.h
C API: Unicode Properties.
UTEXT_PROVIDER_LENGTH_IS_EXPENSIVE
It is potentially time consuming for the provider to determine the length of the text.
Definition: utext.h:930
LocalUTextPointer
UChar
uint16_t UChar
Definition: umachine.h:378
UTextFuncs::mapOffsetToNative
UTextMapOffsetToNative * mapOffsetToNative
(public) Function pointer for UTextMapOffsetToNative.
Definition: utext.h:1289
UTextFuncs::spare1
UTextClose * spare1
(private) Spare function pointer
Definition: utext.h:1311
UTEXT_PROVIDER_OWNS_TEXT
Text provider owns the text storage.
Definition: utext.h:958
UText::flags
int32_t flags
Definition: utext.h:1364
UText::r
const void * r
(protected) Pointer fields available for use by the text provider.
Definition: utext.h:1479
UText::chunkOffset
int32_t chunkOffset
(protected) Current iteration position within the text chunk (UTF-16 buffer).
Definition: utext.h:1420
utext_freeze
void utext_freeze(UText *ut)
unistr.h
C++ API: Unicode String.
utext_openConstUnicodeString
UText * utext_openConstUnicodeString(UText *ut, const icu::UnicodeString *s, UErrorCode *status)
Open a UText for a const UnicodeString.
UText::c
int32_t c
(protected) Integer field reserved for use by the text provider.
Definition: utext.h:1511
UTextClose
void UTextClose(UText *ut)
Function type declaration for UText.utextClose().
Definition: utext.h:1197
UTextMapOffsetToNative
int64_t UTextMapOffsetToNative(const UText *ut)
Function type declaration for UText.mapOffsetToNative().
Definition: utext.h:1158
UText::chunkContents
const UChar * chunkContents
(protected) pointer to a chunk of text in UTF-16 format.
Definition: utext.h:1437