ICU 66.0.1  66.0.1
utrans.h
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1 // © 2016 and later: Unicode, Inc. and others.
2 // License & terms of use: http://www.unicode.org/copyright.html
3 /*
4 *******************************************************************************
5 * Copyright (C) 1997-2011,2014-2015 International Business Machines
6 * Corporation and others. All Rights Reserved.
7 *******************************************************************************
8 * Date Name Description
9 * 06/21/00 aliu Creation.
10 *******************************************************************************
11 */
12 
13 #ifndef UTRANS_H
14 #define UTRANS_H
15 
16 #include "unicode/utypes.h"
17 
18 #if !UCONFIG_NO_TRANSLITERATION
19 
20 #include "unicode/localpointer.h"
21 #include "unicode/urep.h"
22 #include "unicode/parseerr.h"
23 #include "unicode/uenum.h"
24 #include "unicode/uset.h"
25 
26 /********************************************************************
27  * General Notes
28  ********************************************************************
29  */
59 /********************************************************************
60  * Data Structures
61  ********************************************************************/
62 
70 typedef void* UTransliterator;
71 
80 typedef enum UTransDirection {
81 
89 
97 
99 
122 typedef struct UTransPosition {
123 
132  int32_t contextStart;
133 
142  int32_t contextLimit;
143 
151  int32_t start;
152 
160  int32_t limit;
161 
163 
164 /********************************************************************
165  * General API
166  ********************************************************************/
167 
191 U_STABLE UTransliterator* U_EXPORT2
192 utrans_openU(const UChar *id,
193  int32_t idLength,
194  UTransDirection dir,
195  const UChar *rules,
196  int32_t rulesLength,
197  UParseError *parseError,
198  UErrorCode *pErrorCode);
199 
215 U_STABLE UTransliterator* U_EXPORT2
217  UErrorCode* status);
218 
229 U_STABLE UTransliterator* U_EXPORT2
230 utrans_clone(const UTransliterator* trans,
231  UErrorCode* status);
232 
239 U_STABLE void U_EXPORT2
241 
242 #if U_SHOW_CPLUSPLUS_API
243 
244 U_NAMESPACE_BEGIN
245 
256 
257 U_NAMESPACE_END
258 
259 #endif
260 
275 U_STABLE const UChar * U_EXPORT2
277  int32_t *resultLength);
278 
293 U_STABLE void U_EXPORT2
294 utrans_register(UTransliterator* adoptedTrans,
295  UErrorCode* status);
296 
306 U_STABLE void U_EXPORT2
307 utrans_unregisterID(const UChar* id, int32_t idLength);
308 
327 U_STABLE void U_EXPORT2
329  const UChar* filterPattern,
330  int32_t filterPatternLen,
331  UErrorCode* status);
332 
340 U_STABLE int32_t U_EXPORT2
342 
352 U_STABLE UEnumeration * U_EXPORT2
353 utrans_openIDs(UErrorCode *pErrorCode);
354 
355 /********************************************************************
356  * Transliteration API
357  ********************************************************************/
358 
382 U_STABLE void U_EXPORT2
383 utrans_trans(const UTransliterator* trans,
384  UReplaceable* rep,
385  const UReplaceableCallbacks* repFunc,
386  int32_t start,
387  int32_t* limit,
388  UErrorCode* status);
389 
433 U_STABLE void U_EXPORT2
435  UReplaceable* rep,
436  const UReplaceableCallbacks* repFunc,
437  UTransPosition* pos,
438  UErrorCode* status);
439 
470 U_STABLE void U_EXPORT2
472  UChar* text,
473  int32_t* textLength,
474  int32_t textCapacity,
475  int32_t start,
476  int32_t* limit,
477  UErrorCode* status);
478 
505 U_STABLE void U_EXPORT2
507  UChar* text,
508  int32_t* textLength,
509  int32_t textCapacity,
510  UTransPosition* pos,
511  UErrorCode* status);
512 
530 U_STABLE int32_t U_EXPORT2
531 utrans_toRules( const UTransliterator* trans,
532  UBool escapeUnprintable,
533  UChar* result, int32_t resultLength,
534  UErrorCode* status);
535 
555 U_STABLE USet* U_EXPORT2
557  UBool ignoreFilter,
558  USet* fillIn,
559  UErrorCode* status);
560 
561 /* deprecated API ----------------------------------------------------------- */
562 
563 #ifndef U_HIDE_DEPRECATED_API
564 
565 /* see utrans.h documentation for why these functions are deprecated */
566 
590 U_DEPRECATED UTransliterator* U_EXPORT2
591 utrans_open(const char* id,
592  UTransDirection dir,
593  const UChar* rules, /* may be Null */
594  int32_t rulesLength, /* -1 if null-terminated */
595  UParseError* parseError, /* may be Null */
596  UErrorCode* status);
597 
613 U_DEPRECATED int32_t U_EXPORT2
614 utrans_getID(const UTransliterator* trans,
615  char* buf,
616  int32_t bufCapacity);
617 
627 U_DEPRECATED void U_EXPORT2
628 utrans_unregister(const char* id);
629 
648 U_DEPRECATED int32_t U_EXPORT2
649 utrans_getAvailableID(int32_t index,
650  char* buf,
651  int32_t bufCapacity);
652 
653 #endif /* U_HIDE_DEPRECATED_API */
654 
655 #endif /* #if !UCONFIG_NO_TRANSLITERATION */
656 
657 #endif
UTRANS_FORWARD means from <source> to <target> for a transliterator with ID <source>-<target>.
Definition: utrans.h:88
int32_t utrans_getID(const UTransliterator *trans, char *buf, int32_t bufCapacity)
Deprecated, use utrans_getUnicodeID() instead.
UTRANS_REVERSE means from <target> to <source> for a transliterator with ID <source>-<target>.
Definition: utrans.h:96
void * UTransliterator
An opaque transliterator for use in C.
Definition: utrans.h:70
void utrans_unregisterID(const UChar *id, int32_t idLength)
Unregister a transliterator from the system.
void utrans_close(UTransliterator *trans)
Close a transliterator.
int32_t utrans_countAvailableIDs(void)
Return the number of system transliterators.
void utrans_setFilter(UTransliterator *trans, const UChar *filterPattern, int32_t filterPatternLen, UErrorCode *status)
Set the filter used by a transliterator.
Position structure for utrans_transIncremental() incremental transliteration.
Definition: utrans.h:122
C API: Callbacks for UReplaceable.
struct UEnumeration UEnumeration
structure representing an enumeration object instance
Definition: uenum.h:43
void * UReplaceable
An opaque replaceable text object.
Definition: urep.h:44
UTransliterator * utrans_openU(const UChar *id, int32_t idLength, UTransDirection dir, const UChar *rules, int32_t rulesLength, UParseError *parseError, UErrorCode *pErrorCode)
Open a custom transliterator, given a custom rules string OR a system transliterator, given its ID.
int32_t utrans_toRules(const UTransliterator *trans, UBool escapeUnprintable, UChar *result, int32_t resultLength, UErrorCode *status)
Create a rule string that can be passed to utrans_openU to recreate this transliterator.
int32_t limit
Ending index, exclusive, of the text to be transliterated.
Definition: utrans.h:160
int32_t contextLimit
Ending index, exclusive, of the context to be considered for a transliteration operation.
Definition: utrans.h:142
UEnumeration * utrans_openIDs(UErrorCode *pErrorCode)
Return a UEnumeration for the available transliterators.
C API: Unicode Set.
void utrans_transUChars(const UTransliterator *trans, UChar *text, int32_t *textLength, int32_t textCapacity, int32_t start, int32_t *limit, UErrorCode *status)
Transliterate a segment of a UChar* string.
const UChar * utrans_getUnicodeID(const UTransliterator *trans, int32_t *resultLength)
Return the programmatic identifier for this transliterator.
#define U_DEPRECATED
This is used to declare a function as a deprecated public ICU C API.
Definition: umachine.h:115
UTransliterator * utrans_open(const char *id, UTransDirection dir, const UChar *rules, int32_t rulesLength, UParseError *parseError, UErrorCode *status)
Deprecated, use utrans_openU() instead.
"Smart pointer" class, closes a UTransliterator via utrans_close().
int32_t contextStart
Beginning index, inclusive, of the context to be considered for a transliteration operation...
Definition: utrans.h:132
#define U_DEFINE_LOCAL_OPEN_POINTER(LocalPointerClassName, Type, closeFunction)
"Smart pointer" definition macro, deletes objects via the closeFunction.
Definition: localpointer.h:562
int32_t start
Beginning index, inclusive, of the text to be transliterated.
Definition: utrans.h:151
void utrans_transIncrementalUChars(const UTransliterator *trans, UChar *text, int32_t *textLength, int32_t textCapacity, UTransPosition *pos, UErrorCode *status)
Transliterate the portion of the UChar* text buffer that can be transliterated unambiguously.
C++ API: "Smart pointers" for use with and in ICU4C C++ code.
int32_t utrans_getAvailableID(int32_t index, char *buf, int32_t bufCapacity)
Deprecated, use utrans_openIDs() instead.
UTransliterator * utrans_clone(const UTransliterator *trans, UErrorCode *status)
Create a copy of a transliterator.
void utrans_transIncremental(const UTransliterator *trans, UReplaceable *rep, const UReplaceableCallbacks *repFunc, UTransPosition *pos, UErrorCode *status)
Transliterate the portion of the UReplaceable text buffer that can be transliterated unambiguously...
USet * utrans_getSourceSet(const UTransliterator *trans, UBool ignoreFilter, USet *fillIn, UErrorCode *status)
Returns the set of all characters that may be modified in the input text by this UTransliterator, optionally ignoring the transliterator&#39;s current filter.
UTransliterator * utrans_openInverse(const UTransliterator *trans, UErrorCode *status)
Open an inverse of an existing transliterator.
A set of function pointers that transliterators use to manipulate a UReplaceable. ...
Definition: urep.h:53
void utrans_register(UTransliterator *adoptedTrans, UErrorCode *status)
Register an open transliterator with the system.
uint16_t UChar
The base type for UTF-16 code units and pointers.
Definition: umachine.h:378
C API: Parse Error Information.
UErrorCode
Standard ICU4C error code type, a substitute for exceptions.
Definition: utypes.h:415
struct USet USet
USet is the C API type corresponding to C++ class UnicodeSet.
Definition: uset.h:47
C API: String Enumeration.
A UParseError struct is used to returned detailed information about parsing errors.
Definition: parseerr.h:58
Basic definitions for ICU, for both C and C++ APIs.
struct UTransPosition UTransPosition
Position structure for utrans_transIncremental() incremental transliteration.
void utrans_unregister(const char *id)
Deprecated, use utrans_unregisterID() instead.
UTransDirection
Direction constant indicating the direction in a transliterator, e.g., the forward or reverse rules o...
Definition: utrans.h:80
void utrans_trans(const UTransliterator *trans, UReplaceable *rep, const UReplaceableCallbacks *repFunc, int32_t start, int32_t *limit, UErrorCode *status)
Transliterate a segment of a UReplaceable string.
#define U_STABLE
This is used to declare a function as a stable public ICU C API.
Definition: umachine.h:111
int8_t UBool
The ICU boolean type.
Definition: umachine.h:261