git.saurik.com Git - apple/icu.git/blame_incremental - icuSources/common/ucasemap_titlecase

... / ...

Commit	Line	Data
	1	// © 2016 and later: Unicode, Inc. and others.
	2	// License & terms of use: http://www.unicode.org/copyright.html
	3	/*
	4	*******************************************************************************
	5	* Copyright (C) 2011, International Business Machines
	6	* Corporation and others. All Rights Reserved.
	7	*******************************************************************************
	8	* file name: ucasemap_titlecase_brkiter.cpp
	9	* encoding: UTF-8
	10	* tab size: 8 (not used)
	11	* indentation:4
	12	*
	13	* created on: 2011jun02
	14	* created by: Markus W. Scherer
	15	*
	16	* Titlecasing functions that are based on BreakIterator
	17	* were moved here to break dependency cycles among parts of the common library.
	18	*/
	19
	20	#include "unicode/utypes.h"
	21
	22	#if !UCONFIG_NO_BREAK_ITERATION
	23
	24	#include "unicode/brkiter.h"
	25	#include "unicode/ubrk.h"
	26	#include "unicode/casemap.h"
	27	#include "unicode/ucasemap.h"
	28	#include "cmemory.h"
	29	#include "ucase.h"
	30	#include "ucasemap_imp.h"
	31
	32	U_NAMESPACE_BEGIN
	33
	34	void CaseMap::utf8ToTitle(
	35	const char locale, uint32_t options, BreakIterator iter,
	36	StringPiece src, ByteSink &sink, Edits *edits,
	37	UErrorCode &errorCode) {
	38	if (U_FAILURE(errorCode)) {
	39	return;
	40	}
	41	UText utext = UTEXT_INITIALIZER;
	42	utext_openUTF8(&utext, src.data(), src.length(), &errorCode);
	43	LocalPointer<BreakIterator> ownedIter;
	44	iter = ustrcase_getTitleBreakIterator(nullptr, locale, options, iter, ownedIter, errorCode);
	45	if (iter == nullptr) {
	46	utext_close(&utext);
	47	return;
	48	}
	49	iter->setText(&utext, errorCode);
	50	ucasemap_mapUTF8(
	51	ustrcase_getCaseLocale(locale), options, iter,
	52	src.data(), src.length(),
	53	ucasemap_internalUTF8ToTitle, sink, edits, errorCode);
	54	utext_close(&utext);
	55	}
	56
	57	int32_t CaseMap::utf8ToTitle(
	58	const char locale, uint32_t options, BreakIterator iter,
	59	const char *src, int32_t srcLength,
	60	char dest, int32_t destCapacity, Edits edits,
	61	UErrorCode &errorCode) {
	62	if (U_FAILURE(errorCode)) {
	63	return 0;
	64	}
	65	UText utext=UTEXT_INITIALIZER;
	66	utext_openUTF8(&utext, src, srcLength, &errorCode);
	67	LocalPointer<BreakIterator> ownedIter;
	68	iter = ustrcase_getTitleBreakIterator(nullptr, locale, options, iter, ownedIter, errorCode);
	69	if(iter==NULL) {
	70	utext_close(&utext);
	71	return 0;
	72	}
	73	iter->setText(&utext, errorCode);
	74	int32_t length=ucasemap_mapUTF8(
	75	ustrcase_getCaseLocale(locale), options, iter,
	76	dest, destCapacity,
	77	src, srcLength,
	78	ucasemap_internalUTF8ToTitle, edits, errorCode);
	79	utext_close(&utext);
	80	return length;
	81	}
	82
	83	U_NAMESPACE_END
	84
	85	U_NAMESPACE_USE
	86
	87	U_CAPI const UBreakIterator * U_EXPORT2
	88	ucasemap_getBreakIterator(const UCaseMap *csm) {
	89	return reinterpret_cast<UBreakIterator *>(csm->iter);
	90	}
	91
	92	U_CAPI void U_EXPORT2
	93	ucasemap_setBreakIterator(UCaseMap csm, UBreakIterator iterToAdopt, UErrorCode *pErrorCode) {
	94	if(U_FAILURE(*pErrorCode)) {
	95	return;
	96	}
	97	delete csm->iter;
	98	csm->iter=reinterpret_cast<BreakIterator *>(iterToAdopt);
	99	}
	100
	101	U_CAPI int32_t U_EXPORT2
	102	ucasemap_utf8ToTitle(UCaseMap *csm,
	103	char *dest, int32_t destCapacity,
	104	const char *src, int32_t srcLength,
	105	UErrorCode *pErrorCode) {
	106	if (U_FAILURE(*pErrorCode)) {
	107	return 0;
	108	}
	109	UText utext=UTEXT_INITIALIZER;
	110	utext_openUTF8(&utext, (const char *)src, srcLength, pErrorCode);
	111	if (U_FAILURE(*pErrorCode)) {
	112	return 0;
	113	}
	114	if(csm->iter==NULL) {
	115	LocalPointer<BreakIterator> ownedIter;
	116	BreakIterator *iter = ustrcase_getTitleBreakIterator(
	117	nullptr, csm->locale, csm->options, nullptr, ownedIter, *pErrorCode);
	118	if (iter == nullptr) {
	119	utext_close(&utext);
	120	return 0;
	121	}
	122	csm->iter = ownedIter.orphan();
	123	}
	124	csm->iter->setText(&utext, *pErrorCode);
	125	int32_t length=ucasemap_mapUTF8(
	126	csm->caseLocale, csm->options, csm->iter,
	127	dest, destCapacity,
	128	src, srcLength,
	129	ucasemap_internalUTF8ToTitle, NULL, *pErrorCode);
	130	utext_close(&utext);
	131	return length;
	132	}
	133
	134	#endif // !UCONFIG_NO_BREAK_ITERATION