1 // Copyright (C) 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 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 37 ulistfmt_close(UListFormatter *listfmt) 38 { 39 delete (ListFormatter*)listfmt; 40 } 41 42 43 U_CAPI int32_t U_EXPORT2 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