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