1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /* ***** BEGIN LICENSE BLOCK *****
3 : * Version: MPL 1.1/GPL 2.0/LGPL 2.1
4 : *
5 : * The contents of this file are subject to the Mozilla Public License Version
6 : * 1.1 (the "License"); you may not use this file except in compliance with
7 : * the License. You may obtain a copy of the License at
8 : * http://www.mozilla.org/MPL/
9 : *
10 : * Software distributed under the License is distributed on an "AS IS" basis,
11 : * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
12 : * for the specific language governing rights and limitations under the
13 : * License.
14 : *
15 : * The Original Code is mozilla.org code.
16 : *
17 : * The Initial Developer of the Original Code is
18 : * Netscape Communications Corporation.
19 : * Portions created by the Initial Developer are Copyright (C) 1998
20 : * the Initial Developer. All Rights Reserved.
21 : *
22 : * Contributor(s):
23 : * Pierre Phaneuf <pp@ludusdesign.com>
24 : * Constantine A. Murenin <cnst+moz#bugmail.mojo.ru>
25 : *
26 : * Alternatively, the contents of this file may be used under the terms of
27 : * either of the GNU General Public License Version 2 or later (the "GPL"),
28 : * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
29 : * in which case the provisions of the GPL or the LGPL are applicable instead
30 : * of those above. If you wish to allow use of your version of this file only
31 : * under the terms of either the GPL or the LGPL, and not to allow others to
32 : * use your version of this file under the terms of the MPL, indicate your
33 : * decision by deleting the provisions above and replace them with the notice
34 : * and other provisions required by the GPL or the LGPL. If you do not delete
35 : * the provisions above, a recipient may use your version of this file under
36 : * the terms of any one of the MPL, the GPL or the LGPL.
37 : *
38 : * ***** END LICENSE BLOCK ***** */
39 :
40 : #include "nsIServiceManager.h"
41 : #include "nsIComponentManager.h"
42 : #include "nsLocaleCID.h"
43 : #include "nsILocaleService.h"
44 : #include "nsDateTimeFormatCID.h"
45 : #include "nsIDateTimeFormat.h"
46 : #include "nsIScriptableDateFormat.h"
47 : #include "nsCRT.h"
48 : #include "nsReadableUtils.h"
49 :
50 : static NS_DEFINE_CID(kLocaleServiceCID, NS_LOCALESERVICE_CID);
51 : static NS_DEFINE_CID(kDateTimeFormatCID, NS_DATETIMEFORMAT_CID);
52 :
53 : class nsScriptableDateFormat : public nsIScriptableDateFormat {
54 : public:
55 : NS_DECL_ISUPPORTS
56 :
57 : NS_IMETHOD FormatDateTime(const PRUnichar *locale,
58 : nsDateFormatSelector dateFormatSelector,
59 : nsTimeFormatSelector timeFormatSelector,
60 : PRInt32 year,
61 : PRInt32 month,
62 : PRInt32 day,
63 : PRInt32 hour,
64 : PRInt32 minute,
65 : PRInt32 second,
66 : PRUnichar **dateTimeString);
67 :
68 1 : NS_IMETHOD FormatDate(const PRUnichar *locale,
69 : nsDateFormatSelector dateFormatSelector,
70 : PRInt32 year,
71 : PRInt32 month,
72 : PRInt32 day,
73 : PRUnichar **dateString)
74 : {return FormatDateTime(locale, dateFormatSelector, kTimeFormatNone,
75 1 : year, month, day, 0, 0, 0, dateString);}
76 :
77 4 : NS_IMETHOD FormatTime(const PRUnichar *locale,
78 : nsTimeFormatSelector timeFormatSelector,
79 : PRInt32 hour,
80 : PRInt32 minute,
81 : PRInt32 second,
82 : PRUnichar **timeString)
83 : {return FormatDateTime(locale, kDateFormatNone, timeFormatSelector,
84 4 : 1999, 1, 1, hour, minute, second, timeString);}
85 :
86 2 : nsScriptableDateFormat() {}
87 8 : virtual ~nsScriptableDateFormat() {}
88 : private:
89 : nsString mStringOut;
90 : };
91 :
92 122 : NS_IMPL_ISUPPORTS1(nsScriptableDateFormat, nsIScriptableDateFormat)
93 :
94 14 : NS_IMETHODIMP nsScriptableDateFormat::FormatDateTime(
95 : const PRUnichar *aLocale,
96 : nsDateFormatSelector dateFormatSelector,
97 : nsTimeFormatSelector timeFormatSelector,
98 : PRInt32 year,
99 : PRInt32 month,
100 : PRInt32 day,
101 : PRInt32 hour,
102 : PRInt32 minute,
103 : PRInt32 second,
104 : PRUnichar **dateTimeString)
105 : {
106 : // We can't have a valid date with the year, month or day
107 : // being lower than 1.
108 14 : if (year < 1 || month < 1 || day < 1)
109 1 : return NS_ERROR_INVALID_ARG;
110 :
111 : nsresult rv;
112 26 : nsAutoString localeName(aLocale);
113 13 : *dateTimeString = nsnull;
114 :
115 26 : nsCOMPtr<nsILocale> locale;
116 : // re-initialise locale pointer only if the locale was given explicitly
117 13 : if (!localeName.IsEmpty()) {
118 : // get locale service
119 0 : nsCOMPtr<nsILocaleService> localeService(do_GetService(kLocaleServiceCID, &rv));
120 0 : NS_ENSURE_SUCCESS(rv, rv);
121 : // get locale
122 0 : rv = localeService->NewLocale(localeName, getter_AddRefs(locale));
123 0 : NS_ENSURE_SUCCESS(rv, rv);
124 : }
125 :
126 26 : nsCOMPtr<nsIDateTimeFormat> dateTimeFormat(do_CreateInstance(kDateTimeFormatCID, &rv));
127 13 : NS_ENSURE_SUCCESS(rv, rv);
128 :
129 : tm tmTime;
130 : time_t timetTime;
131 :
132 13 : memset(&tmTime, 0, sizeof(tmTime));
133 13 : tmTime.tm_year = year - 1900;
134 13 : tmTime.tm_mon = month - 1;
135 13 : tmTime.tm_mday = day;
136 13 : tmTime.tm_hour = hour;
137 13 : tmTime.tm_min = minute;
138 13 : tmTime.tm_sec = second;
139 13 : tmTime.tm_yday = tmTime.tm_wday = 0;
140 13 : tmTime.tm_isdst = -1;
141 13 : timetTime = mktime(&tmTime);
142 :
143 13 : if ((time_t)-1 != timetTime) {
144 13 : rv = dateTimeFormat->FormatTime(locale, dateFormatSelector, timeFormatSelector,
145 13 : timetTime, mStringOut);
146 : }
147 : else {
148 : // if mktime fails (e.g. year <= 1970), then try NSPR.
149 : PRTime prtime;
150 : char string[32];
151 0 : sprintf(string, "%.2d/%.2d/%d %.2d:%.2d:%.2d", month, day, year, hour, minute, second);
152 0 : if (PR_SUCCESS != PR_ParseTimeString(string, false, &prtime))
153 0 : return NS_ERROR_INVALID_ARG;
154 :
155 0 : rv = dateTimeFormat->FormatPRTime(locale, dateFormatSelector, timeFormatSelector,
156 0 : prtime, mStringOut);
157 : }
158 13 : if (NS_SUCCEEDED(rv))
159 13 : *dateTimeString = ToNewUnicode(mStringOut);
160 :
161 13 : return rv;
162 : }
163 :
164 : nsresult
165 2 : NS_NewScriptableDateFormat(nsISupports* aOuter, REFNSIID aIID, void** aResult)
166 : {
167 2 : if (aOuter)
168 0 : return NS_ERROR_NO_AGGREGATION;
169 :
170 2 : nsScriptableDateFormat* result = new nsScriptableDateFormat();
171 2 : if (! result)
172 0 : return NS_ERROR_OUT_OF_MEMORY;
173 :
174 2 : NS_ADDREF(result);
175 2 : nsresult rv = result->QueryInterface(aIID, aResult);
176 2 : NS_RELEASE(result);
177 :
178 2 : return rv;
179 : }
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