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intl/locale/src/nsScriptableDateFormat.cpp@6474c204b198 (annotated)

intl/locale/src/nsScriptableDateFormat.cpp

Wed, 31 Dec 2014 06:09:35 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:09:35 +0100
changeset 0
6474c204b198
permissions
-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

michael@0 1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
michael@0 2 /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0 3 * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 5
michael@0 6 #include "nsILocaleService.h"
michael@0 7 #include "nsDateTimeFormatCID.h"
michael@0 8 #include "nsIDateTimeFormat.h"
michael@0 9 #include "nsIScriptableDateFormat.h"
michael@0 10 #include "nsCOMPtr.h"
michael@0 11 #include "nsServiceManagerUtils.h"
michael@0 12
michael@0 13 static NS_DEFINE_CID(kLocaleServiceCID, NS_LOCALESERVICE_CID);
michael@0 14 static NS_DEFINE_CID(kDateTimeFormatCID, NS_DATETIMEFORMAT_CID);
michael@0 15
michael@0 16 class nsScriptableDateFormat : public nsIScriptableDateFormat {
michael@0 17 public:
michael@0 18 NS_DECL_ISUPPORTS
michael@0 19
michael@0 20 NS_IMETHOD FormatDateTime(const char16_t *locale,
michael@0 21 nsDateFormatSelector dateFormatSelector,
michael@0 22 nsTimeFormatSelector timeFormatSelector,
michael@0 23 int32_t year,
michael@0 24 int32_t month,
michael@0 25 int32_t day,
michael@0 26 int32_t hour,
michael@0 27 int32_t minute,
michael@0 28 int32_t second,
michael@0 29 char16_t **dateTimeString);
michael@0 30
michael@0 31 NS_IMETHOD FormatDate(const char16_t *locale,
michael@0 32 nsDateFormatSelector dateFormatSelector,
michael@0 33 int32_t year,
michael@0 34 int32_t month,
michael@0 35 int32_t day,
michael@0 36 char16_t **dateString)
michael@0 37 {return FormatDateTime(locale, dateFormatSelector, kTimeFormatNone,
michael@0 38 year, month, day, 0, 0, 0, dateString);}
michael@0 39
michael@0 40 NS_IMETHOD FormatTime(const char16_t *locale,
michael@0 41 nsTimeFormatSelector timeFormatSelector,
michael@0 42 int32_t hour,
michael@0 43 int32_t minute,
michael@0 44 int32_t second,
michael@0 45 char16_t **timeString)
michael@0 46 {return FormatDateTime(locale, kDateFormatNone, timeFormatSelector,
michael@0 47 1999, 1, 1, hour, minute, second, timeString);}
michael@0 48
michael@0 49 nsScriptableDateFormat() {}
michael@0 50 virtual ~nsScriptableDateFormat() {}
michael@0 51 private:
michael@0 52 nsString mStringOut;
michael@0 53 };
michael@0 54
michael@0 55 NS_IMPL_ISUPPORTS(nsScriptableDateFormat, nsIScriptableDateFormat)
michael@0 56
michael@0 57 NS_IMETHODIMP nsScriptableDateFormat::FormatDateTime(
michael@0 58 const char16_t *aLocale,
michael@0 59 nsDateFormatSelector dateFormatSelector,
michael@0 60 nsTimeFormatSelector timeFormatSelector,
michael@0 61 int32_t year,
michael@0 62 int32_t month,
michael@0 63 int32_t day,
michael@0 64 int32_t hour,
michael@0 65 int32_t minute,
michael@0 66 int32_t second,
michael@0 67 char16_t **dateTimeString)
michael@0 68 {
michael@0 69 // We can't have a valid date with the year, month or day
michael@0 70 // being lower than 1.
michael@0 71 if (year < 1 || month < 1 || day < 1)
michael@0 72 return NS_ERROR_INVALID_ARG;
michael@0 73
michael@0 74 nsresult rv;
michael@0 75 nsAutoString localeName(aLocale);
michael@0 76 *dateTimeString = nullptr;
michael@0 77
michael@0 78 nsCOMPtr<nsILocale> locale;
michael@0 79 // re-initialise locale pointer only if the locale was given explicitly
michael@0 80 if (!localeName.IsEmpty()) {
michael@0 81 // get locale service
michael@0 82 nsCOMPtr<nsILocaleService> localeService(do_GetService(kLocaleServiceCID, &rv));
michael@0 83 NS_ENSURE_SUCCESS(rv, rv);
michael@0 84 // get locale
michael@0 85 rv = localeService->NewLocale(localeName, getter_AddRefs(locale));
michael@0 86 NS_ENSURE_SUCCESS(rv, rv);
michael@0 87 }
michael@0 88
michael@0 89 nsCOMPtr<nsIDateTimeFormat> dateTimeFormat(do_CreateInstance(kDateTimeFormatCID, &rv));
michael@0 90 NS_ENSURE_SUCCESS(rv, rv);
michael@0 91
michael@0 92 tm tmTime;
michael@0 93 time_t timetTime;
michael@0 94
michael@0 95 memset(&tmTime, 0, sizeof(tmTime));
michael@0 96 tmTime.tm_year = year - 1900;
michael@0 97 tmTime.tm_mon = month - 1;
michael@0 98 tmTime.tm_mday = day;
michael@0 99 tmTime.tm_hour = hour;
michael@0 100 tmTime.tm_min = minute;
michael@0 101 tmTime.tm_sec = second;
michael@0 102 tmTime.tm_yday = tmTime.tm_wday = 0;
michael@0 103 tmTime.tm_isdst = -1;
michael@0 104 timetTime = mktime(&tmTime);
michael@0 105
michael@0 106 if ((time_t)-1 != timetTime) {
michael@0 107 rv = dateTimeFormat->FormatTime(locale, dateFormatSelector, timeFormatSelector,
michael@0 108 timetTime, mStringOut);
michael@0 109 }
michael@0 110 else {
michael@0 111 // if mktime fails (e.g. year <= 1970), then try NSPR.
michael@0 112 PRTime prtime;
michael@0 113 char string[32];
michael@0 114 sprintf(string, "%.2d/%.2d/%d %.2d:%.2d:%.2d", month, day, year, hour, minute, second);
michael@0 115 if (PR_SUCCESS != PR_ParseTimeString(string, false, &prtime))
michael@0 116 return NS_ERROR_INVALID_ARG;
michael@0 117
michael@0 118 rv = dateTimeFormat->FormatPRTime(locale, dateFormatSelector, timeFormatSelector,
michael@0 119 prtime, mStringOut);
michael@0 120 }
michael@0 121 if (NS_SUCCEEDED(rv))
michael@0 122 *dateTimeString = ToNewUnicode(mStringOut);
michael@0 123
michael@0 124 return rv;
michael@0 125 }
michael@0 126
michael@0 127 nsresult
michael@0 128 NS_NewScriptableDateFormat(nsISupports* aOuter, REFNSIID aIID, void** aResult)
michael@0 129 {
michael@0 130 if (aOuter)
michael@0 131 return NS_ERROR_NO_AGGREGATION;
michael@0 132
michael@0 133 nsScriptableDateFormat* result = new nsScriptableDateFormat();
michael@0 134 if (! result)
michael@0 135 return NS_ERROR_OUT_OF_MEMORY;
michael@0 136
michael@0 137 NS_ADDREF(result);
michael@0 138 nsresult rv = result->QueryInterface(aIID, aResult);
michael@0 139 NS_RELEASE(result);
michael@0 140
michael@0 141 return rv;
michael@0 142 }

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