1 // © 2016 and later: Unicode, Inc. and others.
2 // License & terms of use: http://www.unicode.org/copyright.html
3 /*
4 *****************************************************************************************
5 * Copyright (C) 2015, International Business Machines
6 * Corporation and others. All Rights Reserved.
7 *****************************************************************************************
8 */
9
10 #include "unicode/utypes.h"
11
12 #if !UCONFIG_NO_FORMATTING
13
14 #include "unicode/ulistformatter.h"
15 #include "unicode/listformatter.h"
16 #include "unicode/localpointer.h"
17 #include "cmemory.h"
18
19 U_NAMESPACE_USE
20
21 U_CAPI UListFormatter* U_EXPORT2
ulistfmt_open(const char * locale,UErrorCode * status)22 ulistfmt_open(const char* locale,
23 UErrorCode* status)
24 {
25 if (U_FAILURE(*status)) {
26 return NULL;
27 }
28 LocalPointer<ListFormatter> listfmt(ListFormatter::createInstance(Locale(locale), *status));
29 if (U_FAILURE(*status)) {
30 return NULL;
31 }
32 return (UListFormatter*)listfmt.orphan();
33 }
34
35
36 U_CAPI void U_EXPORT2
ulistfmt_close(UListFormatter * listfmt)37 ulistfmt_close(UListFormatter *listfmt)
38 {
39 delete (ListFormatter*)listfmt;
40 }
41
42
43 U_CAPI int32_t U_EXPORT2
ulistfmt_format(const UListFormatter * listfmt,const UChar * const strings[],const int32_t * stringLengths,int32_t stringCount,UChar * result,int32_t resultCapacity,UErrorCode * status)44 ulistfmt_format(const UListFormatter* listfmt,
45 const UChar* const strings[],
46 const int32_t * stringLengths,
47 int32_t stringCount,
48 UChar* result,
49 int32_t resultCapacity,
50 UErrorCode* status)
51 {
52 if (U_FAILURE(*status)) {
53 return -1;
54 }
55 if (stringCount < 0 || (strings == NULL && stringCount > 0) || ((result == NULL)? resultCapacity != 0 : resultCapacity < 0)) {
56 *status = U_ILLEGAL_ARGUMENT_ERROR;
57 return -1;
58 }
59 UnicodeString ustringsStackBuf[4];
60 UnicodeString* ustrings = ustringsStackBuf;
61 if (stringCount > UPRV_LENGTHOF(ustringsStackBuf)) {
62 ustrings = new UnicodeString[stringCount];
63 if (ustrings == NULL) {
64 *status = U_MEMORY_ALLOCATION_ERROR;
65 return -1;
66 }
67 }
68 if (stringLengths == NULL) {
69 for (int32_t stringIndex = 0; stringIndex < stringCount; stringIndex++) {
70 ustrings[stringIndex].setTo(TRUE, strings[stringIndex], -1);
71 }
72 } else {
73 for (int32_t stringIndex = 0; stringIndex < stringCount; stringIndex++) {
74 ustrings[stringIndex].setTo(stringLengths[stringIndex] < 0, strings[stringIndex], stringLengths[stringIndex]);
75 }
76 }
77 UnicodeString res;
78 if (result != NULL) {
79 // NULL destination for pure preflighting: empty dummy string
80 // otherwise, alias the destination buffer (copied from udat_format)
81 res.setTo(result, 0, resultCapacity);
82 }
83 ((const ListFormatter*)listfmt)->format( ustrings, stringCount, res, *status );
84 if (ustrings != ustringsStackBuf) {
85 delete[] ustrings;
86 }
87 return res.extract(result, resultCapacity, *status);
88 }
89
90
91 #endif /* #if !UCONFIG_NO_FORMATTING */
92