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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*************************************************************************
3 : *
4 : * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5 : *
6 : * Copyright 2000, 2010 Oracle and/or its affiliates.
7 : *
8 : * OpenOffice.org - a multi-platform office productivity suite
9 : *
10 : * This file is part of OpenOffice.org.
11 : *
12 : * OpenOffice.org is free software: you can redistribute it and/or modify
13 : * it under the terms of the GNU Lesser General Public License version 3
14 : * only, as published by the Free Software Foundation.
15 : *
16 : * OpenOffice.org is distributed in the hope that it will be useful,
17 : * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 : * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 : * GNU Lesser General Public License version 3 for more details
20 : * (a copy is included in the LICENSE file that accompanied this code).
21 : *
22 : * You should have received a copy of the GNU Lesser General Public License
23 : * version 3 along with OpenOffice.org. If not, see
24 : * <http://www.openoffice.org/license.html>
25 : * for a copy of the LGPLv3 License.
26 : *
27 : ************************************************************************/
28 :
29 :
30 : #include <stdio.h>
31 : #include <osl/time.h>
32 : #include <com/sun/star/util/DateTime.hpp>
33 : #include "DateTimeHelper.hxx"
34 :
35 : using namespace com::sun::star::util;
36 :
37 : using namespace webdav_ucp;
38 :
39 : using ::rtl::OUString;
40 : using ::rtl::OString;
41 :
42 0 : bool DateTimeHelper::ISO8601_To_DateTime (const OUString& s,
43 : DateTime& dateTime)
44 : {
45 0 : OString aDT (s.getStr(), s.getLength(), RTL_TEXTENCODING_ASCII_US);
46 :
47 : int year, month, day, hours, minutes, off_hours, off_minutes, fix;
48 : double seconds;
49 :
50 : // 2001-01-01T12:30:00Z
51 : int n = sscanf( aDT.getStr(), "%04d-%02d-%02dT%02d:%02d:%lfZ",
52 0 : &year, &month, &day, &hours, &minutes, &seconds );
53 0 : if ( n == 6 )
54 : {
55 0 : fix = 0;
56 : }
57 : else
58 : {
59 : // 2001-01-01T12:30:00+03:30
60 : n = sscanf( aDT.getStr(), "%04d-%02d-%02dT%02d:%02d:%lf+%02d:%02d",
61 : &year, &month, &day, &hours, &minutes, &seconds,
62 0 : &off_hours, &off_minutes );
63 0 : if ( n == 8 )
64 : {
65 0 : fix = - off_hours * 3600 - off_minutes * 60;
66 : }
67 : else
68 : {
69 : // 2001-01-01T12:30:00-03:30
70 : n = sscanf( aDT.getStr(), "%04d-%02d-%02dT%02d:%02d:%lf-%02d:%02d",
71 : &year, &month, &day, &hours, &minutes, &seconds,
72 0 : &off_hours, &off_minutes );
73 0 : if ( n == 8 )
74 : {
75 0 : fix = off_hours * 3600 + off_minutes * 60;
76 : }
77 : else
78 : {
79 0 : return false;
80 : }
81 : }
82 : }
83 :
84 : // Convert to local time...
85 :
86 : oslDateTime aDateTime;
87 0 : aDateTime.NanoSeconds = 0;
88 0 : aDateTime.Seconds = sal::static_int_cast< sal_uInt16 >(seconds); // 0-59
89 0 : aDateTime.Minutes = sal::static_int_cast< sal_uInt16 >(minutes); // 0-59
90 0 : aDateTime.Hours = sal::static_int_cast< sal_uInt16 >(hours); // 0-23
91 0 : aDateTime.Day = sal::static_int_cast< sal_uInt16 >(day); // 1-31
92 0 : aDateTime.DayOfWeek = 0; // 0-6, 0 = Sunday
93 0 : aDateTime.Month = sal::static_int_cast< sal_uInt16 >(month); // 1-12
94 0 : aDateTime.Year = sal::static_int_cast< sal_uInt16 >(year);
95 :
96 : TimeValue aTimeValue;
97 0 : if ( osl_getTimeValueFromDateTime( &aDateTime, &aTimeValue ) )
98 : {
99 0 : aTimeValue.Seconds += fix;
100 :
101 0 : if ( osl_getLocalTimeFromSystemTime( &aTimeValue, &aTimeValue ) )
102 : {
103 0 : if ( osl_getDateTimeFromTimeValue( &aTimeValue, &aDateTime ) )
104 : {
105 0 : dateTime.Year = aDateTime.Year;
106 0 : dateTime.Month = aDateTime.Month;
107 0 : dateTime.Day = aDateTime.Day;
108 0 : dateTime.Hours = aDateTime.Hours;
109 0 : dateTime.Minutes = aDateTime.Minutes;
110 0 : dateTime.Seconds = aDateTime.Seconds;
111 :
112 0 : return true;
113 : }
114 : }
115 : }
116 :
117 0 : return false;
118 : }
119 :
120 0 : sal_Int32 DateTimeHelper::convertMonthToInt (const OUString& month)
121 : {
122 0 : if (month.compareToAscii ("Jan") == 0)
123 0 : return 1;
124 0 : else if (month.compareToAscii ("Feb") == 0)
125 0 : return 2;
126 0 : else if (month.compareToAscii ("Mar") == 0)
127 0 : return 3;
128 0 : else if (month.compareToAscii ("Apr") == 0)
129 0 : return 4;
130 0 : else if (month.compareToAscii ("May") == 0)
131 0 : return 5;
132 0 : else if (month.compareToAscii ("Jun") == 0)
133 0 : return 6;
134 0 : else if (month.compareToAscii ("Jul") == 0)
135 0 : return 7;
136 0 : else if (month.compareToAscii ("Aug") == 0)
137 0 : return 8;
138 0 : else if (month.compareToAscii ("Sep") == 0)
139 0 : return 9;
140 0 : else if (month.compareToAscii ("Oct") == 0)
141 0 : return 10;
142 0 : else if (month.compareToAscii ("Nov") == 0)
143 0 : return 11;
144 0 : else if (month.compareToAscii ("Dec") == 0)
145 0 : return 12;
146 : else
147 0 : return 0;
148 : }
149 :
150 0 : bool DateTimeHelper::RFC2068_To_DateTime (const OUString& s,
151 : DateTime& dateTime)
152 : {
153 : int year;
154 : int day;
155 : int hours;
156 : int minutes;
157 : int seconds;
158 : sal_Char string_month[3 + 1];
159 : sal_Char string_day[3 + 1];
160 :
161 0 : sal_Int32 found = s.indexOf (',');
162 0 : if (found != -1)
163 : {
164 0 : OString aDT (s.getStr(), s.getLength(), RTL_TEXTENCODING_ASCII_US);
165 :
166 : // RFC 1123
167 : found = sscanf (aDT.getStr(), "%3s, %2d %3s %4d %2d:%2d:%2d GMT",
168 0 : string_day, &day, string_month, &year, &hours, &minutes, &seconds);
169 0 : if (found != 7)
170 : {
171 : // RFC 1036
172 : found = sscanf (aDT.getStr(), "%3s, %2d-%3s-%2d %2d:%2d:%2d GMT",
173 0 : string_day, &day, string_month, &year, &hours, &minutes, &seconds);
174 : }
175 0 : found = (found == 7) ? 1 : 0;
176 : }
177 : else
178 : {
179 0 : OString aDT (s.getStr(), s.getLength(), RTL_TEXTENCODING_ASCII_US);
180 :
181 : // ANSI C's asctime () format
182 : found = sscanf (aDT.getStr(), "%3s %3s %d %2d:%2d:%2d %4d",
183 : string_day, string_month,
184 0 : &day, &hours, &minutes, &seconds, &year);
185 0 : found = (found == 7) ? 1 : 0;
186 : }
187 :
188 0 : if (found)
189 : {
190 0 : found = 0;
191 :
192 : int month = DateTimeHelper::convertMonthToInt (
193 0 : OUString::createFromAscii (string_month));
194 0 : if (month)
195 : {
196 : // Convert to local time...
197 :
198 : oslDateTime aDateTime;
199 0 : aDateTime.NanoSeconds = 0;
200 0 : aDateTime.Seconds = sal::static_int_cast< sal_uInt16 >(seconds);
201 : // 0-59
202 0 : aDateTime.Minutes = sal::static_int_cast< sal_uInt16 >(minutes);
203 : // 0-59
204 0 : aDateTime.Hours = sal::static_int_cast< sal_uInt16 >(hours);
205 : // 0-23
206 0 : aDateTime.Day = sal::static_int_cast< sal_uInt16 >(day);
207 : // 1-31
208 0 : aDateTime.DayOfWeek = 0; //dayofweek; // 0-6, 0 = Sunday
209 0 : aDateTime.Month = sal::static_int_cast< sal_uInt16 >(month);
210 : // 1-12
211 0 : aDateTime.Year = sal::static_int_cast< sal_uInt16 >(year);
212 :
213 : TimeValue aTimeValue;
214 0 : if ( osl_getTimeValueFromDateTime( &aDateTime,
215 0 : &aTimeValue ) )
216 : {
217 0 : if ( osl_getLocalTimeFromSystemTime( &aTimeValue,
218 0 : &aTimeValue ) )
219 : {
220 0 : if ( osl_getDateTimeFromTimeValue( &aTimeValue,
221 0 : &aDateTime ) )
222 : {
223 0 : dateTime.Year = aDateTime.Year;
224 0 : dateTime.Month = aDateTime.Month;
225 0 : dateTime.Day = aDateTime.Day;
226 0 : dateTime.Hours = aDateTime.Hours;
227 0 : dateTime.Minutes = aDateTime.Minutes;
228 0 : dateTime.Seconds = aDateTime.Seconds;
229 :
230 0 : found = 1;
231 : }
232 : }
233 : }
234 : }
235 : }
236 :
237 0 : return (found) ? true : false;
238 : }
239 :
240 0 : bool DateTimeHelper::convert (const OUString& s, DateTime& dateTime)
241 : {
242 0 : if (ISO8601_To_DateTime (s, dateTime))
243 0 : return true;
244 0 : else if (RFC2068_To_DateTime (s, dateTime))
245 0 : return true;
246 : else
247 0 : return false;
248 : }
249 :
250 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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