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