79 lines
2.1 KiB
C++
79 lines
2.1 KiB
C++
// © 2016 and later: Unicode, Inc. and others.
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// License & terms of use: http://www.unicode.org/copyright.html
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/*
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**********************************************************************
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* Copyright (c) 2003, International Business Machines
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* Corporation and others. All Rights Reserved.
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**********************************************************************
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* Author: Alan Liu
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* Created: March 19 2003
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* Since: ICU 2.6
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**********************************************************************
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*/
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#include "unicode/ucat.h"
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#include "unicode/ustring.h"
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#include "cstring.h"
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#include "uassert.h"
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/* Separator between set_num and msg_num */
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static const char SEPARATOR = '%';
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/* Maximum length of a set_num/msg_num key, incl. terminating zero.
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* Longest possible key is "-2147483648%-2147483648" */
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#define MAX_KEY_LEN (24)
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/**
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* Fill in buffer with a set_num/msg_num key string, given the numeric
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* values. Numeric values must be >= 0. Buffer must be of length
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* MAX_KEY_LEN or more.
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*/
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static char*
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_catkey(char* buffer, int32_t set_num, int32_t msg_num) {
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int32_t i = 0;
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i = T_CString_integerToString(buffer, set_num, 10);
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buffer[i++] = SEPARATOR;
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T_CString_integerToString(buffer+i, msg_num, 10);
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return buffer;
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}
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U_CAPI u_nl_catd U_EXPORT2
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u_catopen(const char* name, const char* locale, UErrorCode* ec) {
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return (u_nl_catd) ures_open(name, locale, ec);
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}
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U_CAPI void U_EXPORT2
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u_catclose(u_nl_catd catd) {
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ures_close((UResourceBundle*) catd); /* may be nullptr */
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}
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U_CAPI const char16_t* U_EXPORT2
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u_catgets(u_nl_catd catd, int32_t set_num, int32_t msg_num,
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const char16_t* s,
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int32_t* len, UErrorCode* ec) {
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char key[MAX_KEY_LEN];
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const char16_t* result;
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if (ec == nullptr || U_FAILURE(*ec)) {
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goto ERROR;
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}
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result = ures_getStringByKey((const UResourceBundle*) catd,
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_catkey(key, set_num, msg_num),
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len, ec);
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if (U_FAILURE(*ec)) {
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goto ERROR;
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}
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return result;
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ERROR:
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/* In case of any failure, return s */
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if (len != nullptr) {
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*len = u_strlen(s);
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}
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return s;
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}
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/*eof*/
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