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
32U_NAMESPACE_BEGIN
33
34void 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
57int32_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
83U_NAMESPACE_END
84
85U_NAMESPACE_USE
86
87U_CAPI const UBreakIterator * U_EXPORT2
88ucasemap_getBreakIterator(const UCaseMap *csm) {
89 return reinterpret_cast<UBreakIterator *>(csm->iter);
90}
91
92U_CAPI void U_EXPORT2
93ucasemap_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
101U_CAPI int32_t U_EXPORT2
102ucasemap_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
135