/* icu_wrap.c -- C++ hiding wrapper API for ICU
*
* Copyright (c) 1994-2019 Carnegie Mellon University. All rights reserved.
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*
* 3. The name "Carnegie Mellon University" must not be used to
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* prior written permission. For permission or any legal
* details, please contact
* Carnegie Mellon University
* Center for Technology Transfer and Enterprise Creation
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* acknowledgment:
* "This product includes software developed by Computing Services
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* CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO
* THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE
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*/
extern "C" {
#include "config.h"
#include "string.h"
#include "xmalloc.h"
};
#include <unicode/ucnv.h>
#include <unicode/unistr.h>
#include <unicode/timezone.h>
extern "C" EXPORTED char *icu_getIDForWindowsID(const char *id)
{
UErrorCode status = U_ZERO_ERROR;
UConverter *utf8cnv = ucnv_open("utf-8", &status);
if (U_FAILURE(status)) return NULL;
icu::UnicodeString uWinID {id, -1, utf8cnv, status};
ucnv_close(utf8cnv);
icu::UnicodeString uID;
icu::TimeZone::getIDForWindowsID(uWinID, NULL, uID, status);
std::string str;
uID.toUTF8String(str);
if (!str.empty()) return xstrdup(str.c_str());
if (!strcasecmp(id, "Mid-Atlantic Standard Time")) {
/* ICU doesn't map this ID */
return xstrdup("Atlantic/South_Georgia");
}
return NULL;
}