146 lines
5.0 KiB
C++
146 lines
5.0 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/Sprintf.h"
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#include "nsILocaleService.h"
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#include "nsDateTimeFormatCID.h"
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#include "nsIDateTimeFormat.h"
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#include "nsIScriptableDateFormat.h"
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#include "nsCOMPtr.h"
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#include "nsServiceManagerUtils.h"
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static NS_DEFINE_CID(kLocaleServiceCID, NS_LOCALESERVICE_CID);
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static NS_DEFINE_CID(kDateTimeFormatCID, NS_DATETIMEFORMAT_CID);
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class nsScriptableDateFormat : public nsIScriptableDateFormat {
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public:
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NS_DECL_ISUPPORTS
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NS_IMETHOD FormatDateTime(const char16_t *locale,
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nsDateFormatSelector dateFormatSelector,
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nsTimeFormatSelector timeFormatSelector,
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int32_t year,
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int32_t month,
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int32_t day,
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int32_t hour,
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int32_t minute,
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int32_t second,
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char16_t **dateTimeString) override;
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NS_IMETHOD FormatDate(const char16_t *locale,
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nsDateFormatSelector dateFormatSelector,
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int32_t year,
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int32_t month,
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int32_t day,
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char16_t **dateString) override
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{return FormatDateTime(locale, dateFormatSelector, kTimeFormatNone,
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year, month, day, 0, 0, 0, dateString);}
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NS_IMETHOD FormatTime(const char16_t *locale,
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nsTimeFormatSelector timeFormatSelector,
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int32_t hour,
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int32_t minute,
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int32_t second,
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char16_t **timeString) override
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{return FormatDateTime(locale, kDateFormatNone, timeFormatSelector,
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1999, 1, 1, hour, minute, second, timeString);}
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nsScriptableDateFormat() {}
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private:
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nsString mStringOut;
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virtual ~nsScriptableDateFormat() {}
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};
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NS_IMPL_ISUPPORTS(nsScriptableDateFormat, nsIScriptableDateFormat)
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NS_IMETHODIMP nsScriptableDateFormat::FormatDateTime(
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const char16_t *aLocale,
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nsDateFormatSelector dateFormatSelector,
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nsTimeFormatSelector timeFormatSelector,
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int32_t year,
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int32_t month,
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int32_t day,
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int32_t hour,
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int32_t minute,
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int32_t second,
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char16_t **dateTimeString)
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{
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// We can't have a valid date with the year, month or day
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// being lower than 1.
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if (year < 1 || month < 1 || day < 1)
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return NS_ERROR_INVALID_ARG;
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nsresult rv;
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nsAutoString localeName(aLocale);
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*dateTimeString = nullptr;
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nsCOMPtr<nsILocale> locale;
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// re-initialise locale pointer only if the locale was given explicitly
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if (!localeName.IsEmpty()) {
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// get locale service
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nsCOMPtr<nsILocaleService> localeService(do_GetService(kLocaleServiceCID, &rv));
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NS_ENSURE_SUCCESS(rv, rv);
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// get locale
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rv = localeService->NewLocale(localeName, getter_AddRefs(locale));
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NS_ENSURE_SUCCESS(rv, rv);
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}
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nsCOMPtr<nsIDateTimeFormat> dateTimeFormat(do_CreateInstance(kDateTimeFormatCID, &rv));
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NS_ENSURE_SUCCESS(rv, rv);
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tm tmTime;
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time_t timetTime;
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memset(&tmTime, 0, sizeof(tmTime));
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tmTime.tm_year = year - 1900;
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tmTime.tm_mon = month - 1;
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tmTime.tm_mday = day;
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tmTime.tm_hour = hour;
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tmTime.tm_min = minute;
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tmTime.tm_sec = second;
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tmTime.tm_yday = tmTime.tm_wday = 0;
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tmTime.tm_isdst = -1;
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timetTime = mktime(&tmTime);
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if ((time_t)-1 != timetTime) {
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rv = dateTimeFormat->FormatTime(locale, dateFormatSelector, timeFormatSelector,
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timetTime, mStringOut);
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}
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else {
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// if mktime fails (e.g. year <= 1970), then try NSPR.
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PRTime prtime;
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char string[32];
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SprintfLiteral(string, "%.2d/%.2d/%d %.2d:%.2d:%.2d", month, day, year, hour, minute, second);
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if (PR_SUCCESS != PR_ParseTimeString(string, false, &prtime))
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return NS_ERROR_INVALID_ARG;
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rv = dateTimeFormat->FormatPRTime(locale, dateFormatSelector, timeFormatSelector,
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prtime, mStringOut);
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}
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if (NS_SUCCEEDED(rv))
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*dateTimeString = ToNewUnicode(mStringOut);
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return rv;
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}
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nsresult
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NS_NewScriptableDateFormat(nsISupports* aOuter, REFNSIID aIID, void** aResult)
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{
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if (aOuter)
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return NS_ERROR_NO_AGGREGATION;
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nsScriptableDateFormat* result = new nsScriptableDateFormat();
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if (! result)
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return NS_ERROR_OUT_OF_MEMORY;
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NS_ADDREF(result);
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nsresult rv = result->QueryInterface(aIID, aResult);
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NS_RELEASE(result);
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return rv;
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}
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