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// Copyright (C) 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
*****************************************************************************************
* Copyright (C) 2015, International Business Machines
* Corporation and others. All Rights Reserved.
*****************************************************************************************
*/
#include "unicode/utypes.h"
#if !UCONFIG_NO_FORMATTING
#include "unicode/ulistformatter.h"
#include "unicode/listformatter.h"
#include "unicode/localpointer.h"
#include "cmemory.h"
U_NAMESPACE_USE
U_CAPI UListFormatter* U_EXPORT2
ulistfmt_open(const char* locale,
UErrorCode* status)
{
if (U_FAILURE(*status)) {
return NULL;
}
LocalPointer<ListFormatter> listfmt(ListFormatter::createInstance(Locale(locale), *status));
if (U_FAILURE(*status)) {
return NULL;
}
return (UListFormatter*)listfmt.orphan();
}
U_CAPI void U_EXPORT2
ulistfmt_close(UListFormatter *listfmt)
{
delete (ListFormatter*)listfmt;
}
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)
{
if (U_FAILURE(*status)) {
return -1;
}
if (stringCount < 0 || (strings == NULL && stringCount > 0) || ((result == NULL)? resultCapacity != 0 : resultCapacity < 0)) {
*status = U_ILLEGAL_ARGUMENT_ERROR;
return -1;
}
UnicodeString ustringsStackBuf[4];
UnicodeString* ustrings = ustringsStackBuf;
if (stringCount > UPRV_LENGTHOF(ustringsStackBuf)) {
ustrings = new UnicodeString[stringCount];
if (ustrings == NULL) {
*status = U_MEMORY_ALLOCATION_ERROR;
return -1;
}
}
if (stringLengths == NULL) {
for (int32_t stringIndex = 0; stringIndex < stringCount; stringIndex++) {
ustrings[stringIndex].setTo(TRUE, strings[stringIndex], -1);
}
} else {
for (int32_t stringIndex = 0; stringIndex < stringCount; stringIndex++) {
ustrings[stringIndex].setTo(stringLengths[stringIndex] < 0, strings[stringIndex], stringLengths[stringIndex]);
}
}
UnicodeString res;
if (result != NULL) {
// NULL destination for pure preflighting: empty dummy string
// otherwise, alias the destination buffer (copied from udat_format)
res.setTo(result, 0, resultCapacity);
}
((const ListFormatter*)listfmt)->format( ustrings, stringCount, res, *status );
if (ustrings != ustringsStackBuf) {
delete[] ustrings;
}
return res.extract(result, resultCapacity, *status);
}
#endif /* #if !UCONFIG_NO_FORMATTING */
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