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1// © 2016 and later: Unicode, Inc. and others.
2// License & terms of use: http://www.unicode.org/copyright.html
b331163b
A
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
19U_NAMESPACE_USE
20
21U_CAPI UListFormatter* U_EXPORT2
22ulistfmt_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
36U_CAPI void U_EXPORT2
37ulistfmt_close(UListFormatter *listfmt)
38{
39 delete (ListFormatter*)listfmt;
40}
41
42
43U_CAPI int32_t U_EXPORT2
44ulistfmt_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 */