Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 258 insertions, 0 deletions

diff --git a/ucb/source/ucp/webdav-curl/DateTimeHelper.cxx b/ucb/source/ucp/webdav-curl/DateTimeHelper.cxx
new file mode 100644
index 000000000..06514d682
--- /dev/null
+++ b/ucb/source/ucp/webdav-curl/DateTimeHelper.cxx
@@ -0,0 +1,258 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <osl/time.h>
+#include <com/sun/star/util/DateTime.hpp>
+#include "DateTimeHelper.hxx"
+
+using namespace com::sun::star::util;
+
+using namespace http_dav_ucp;
+
+bool DateTimeHelper::ISO8601_To_DateTime (const OUString& s,
+    DateTime& dateTime)
+{
+    OString aDT (s.getStr(), s.getLength(), RTL_TEXTENCODING_ASCII_US);
+
+    int year, month, day, hours, minutes, off_hours, off_minutes, fix;
+    double seconds;
+
+    // 2001-01-01T12:30:00Z
+    int n = sscanf( aDT.getStr(), "%04d-%02d-%02dT%02d:%02d:%lfZ",
+                    &year, &month, &day, &hours, &minutes, &seconds );
+    if ( n == 6 )
+    {
+        fix = 0;
+    }
+    else
+    {
+        // 2001-01-01T12:30:00+03:30
+        n = sscanf( aDT.getStr(), "%04d-%02d-%02dT%02d:%02d:%lf+%02d:%02d",
+                    &year, &month, &day, &hours, &minutes, &seconds,
+                    &off_hours, &off_minutes );
+        if ( n == 8 )
+        {
+            fix = - off_hours * 3600 - off_minutes * 60;
+        }
+        else
+        {
+            // 2001-01-01T12:30:00-03:30
+            n = sscanf( aDT.getStr(), "%04d-%02d-%02dT%02d:%02d:%lf-%02d:%02d",
+                        &year, &month, &day, &hours, &minutes, &seconds,
+                        &off_hours, &off_minutes );
+            if ( n == 8 )
+            {
+                fix = off_hours * 3600 + off_minutes * 60;
+            }
+            else
+            {
+                return false;
+            }
+        }
+    }
+
+    // Convert to local time...
+
+    oslDateTime aDateTime;
+    aDateTime.NanoSeconds = 0;
+    aDateTime.Seconds     = sal::static_int_cast< sal_uInt16 >(seconds); // 0-59
+    aDateTime.Minutes     = sal::static_int_cast< sal_uInt16 >(minutes); // 0-59
+    aDateTime.Hours       = sal::static_int_cast< sal_uInt16 >(hours); // 0-23
+    aDateTime.Day         = sal::static_int_cast< sal_uInt16 >(day); // 1-31
+    aDateTime.DayOfWeek   = 0;          // 0-6, 0 = Sunday
+    aDateTime.Month       = sal::static_int_cast< sal_uInt16 >(month); // 1-12
+    aDateTime.Year        = sal::static_int_cast< sal_Int16  >(year);
+
+    TimeValue aTimeValue;
+    if ( osl_getTimeValueFromDateTime( &aDateTime, &aTimeValue ) )
+    {
+        aTimeValue.Seconds += fix;
+
+        if ( osl_getLocalTimeFromSystemTime( &aTimeValue, &aTimeValue ) )
+        {
+            if ( osl_getDateTimeFromTimeValue( &aTimeValue, &aDateTime ) )
+            {
+                dateTime.Year    = aDateTime.Year;
+                dateTime.Month   = aDateTime.Month;
+                dateTime.Day     = aDateTime.Day;
+                dateTime.Hours   = aDateTime.Hours;
+                dateTime.Minutes = aDateTime.Minutes;
+                dateTime.Seconds = aDateTime.Seconds;
+
+                return true;
+            }
+        }
+    }
+
+    return false;
+}
+
+/*
+sal_Int32 DateTimeHelper::convertDayToInt (const OUString& day)
+{
+    if (day.equalsAscii("Sun"))
+        return 0;
+    else if (day.equalsAscii("Mon"))
+        return 1;
+    else if (day.equalsAscii("Tue"))
+        return 2;
+    else if (day.equalsAscii("Wed"))
+        return 3;
+    else if (day.equalsAscii("Thu"))
+        return 4;
+    else if (day.equalsAscii("Fri"))
+        return 5;
+    else if (day.equalsAscii("Sat"))
+        return 6;
+    else
+        return -1;
+}
+*/
+
+sal_Int32 DateTimeHelper::convertMonthToInt(std::u16string_view month)
+{
+    if (month == u"Jan")
+        return 1;
+    else if (month == u"Feb")
+        return 2;
+    else if (month == u"Mar")
+        return 3;
+    else if (month == u"Apr")
+        return 4;
+    else if (month == u"May")
+        return 5;
+    else if (month == u"Jun")
+        return 6;
+    else if (month == u"Jul")
+        return 7;
+    else if (month == u"Aug")
+        return 8;
+    else if (month == u"Sep")
+        return 9;
+    else if (month == u"Oct")
+        return 10;
+    else if (month == u"Nov")
+        return 11;
+    else if (month == u"Dec")
+        return 12;
+    else
+        return 0;
+}
+
+bool DateTimeHelper::RFC2068_To_DateTime (const OUString& s,
+    DateTime& dateTime)
+{
+    int year;
+    int day;
+    int hours;
+    int minutes;
+    int seconds;
+    char string_month[3 + 1];
+    char string_day[3 + 1];
+
+    sal_Int32 found = s.indexOf (',');
+    if (found != -1)
+    {
+        OString aDT (s.getStr(), s.getLength(), RTL_TEXTENCODING_ASCII_US);
+
+        // RFC 1123
+        found = sscanf (aDT.getStr(), "%3s, %2d %3s %4d %2d:%2d:%2d GMT",
+                        string_day, &day, string_month, &year, &hours, &minutes, &seconds);
+        if (found != 7)
+        {
+            // RFC 1036
+            found = sscanf (aDT.getStr(), "%3s, %2d-%3s-%2d %2d:%2d:%2d GMT",
+                            string_day, &day, string_month, &year, &hours, &minutes, &seconds);
+        }
+        found = (found == 7) ? 1 : 0;
+    }
+    else
+    {
+        OString aDT (s.getStr(), s.getLength(), RTL_TEXTENCODING_ASCII_US);
+
+        // ANSI C's asctime () format
+        found = sscanf (aDT.getStr(), "%3s %3s %d %2d:%2d:%2d %4d",
+                        string_day, string_month,
+                        &day, &hours, &minutes, &seconds, &year);
+        found = (found == 7) ? 1 : 0;
+    }
+
+    if (found)
+    {
+        found = 0;
+
+        int month = DateTimeHelper::convertMonthToInt (
+                            OUString::createFromAscii (string_month));
+        if (month)
+        {
+            // Convert to local time...
+
+            oslDateTime aDateTime;
+            aDateTime.NanoSeconds = 0;
+            aDateTime.Seconds     = sal::static_int_cast< sal_uInt16 >(seconds);
+                // 0-59
+            aDateTime.Minutes     = sal::static_int_cast< sal_uInt16 >(minutes);
+                // 0-59
+            aDateTime.Hours       = sal::static_int_cast< sal_uInt16 >(hours);
+                // 0-23
+            aDateTime.Day         = sal::static_int_cast< sal_uInt16 >(day);
+                // 1-31
+            aDateTime.DayOfWeek   = 0; //dayofweek;  // 0-6, 0 = Sunday
+            aDateTime.Month       = sal::static_int_cast< sal_uInt16 >(month);
+                // 1-12
+            aDateTime.Year        = sal::static_int_cast< sal_Int16  >(year);
+
+            TimeValue aTimeValue;
+            if ( osl_getTimeValueFromDateTime( &aDateTime,
+                                                &aTimeValue ) )
+            {
+                if ( osl_getLocalTimeFromSystemTime( &aTimeValue,
+                                                        &aTimeValue ) )
+                {
+                    if ( osl_getDateTimeFromTimeValue( &aTimeValue,
+                                                        &aDateTime ) )
+                    {
+                        dateTime.Year    = aDateTime.Year;
+                        dateTime.Month   = aDateTime.Month;
+                        dateTime.Day     = aDateTime.Day;
+                        dateTime.Hours   = aDateTime.Hours;
+                        dateTime.Minutes = aDateTime.Minutes;
+                        dateTime.Seconds = aDateTime.Seconds;
+
+                        found = 1;
+                    }
+                }
+            }
+        }
+    }
+
+    return found;
+}
+
+bool DateTimeHelper::convert (const OUString& s, DateTime& dateTime)
+{
+    if (ISO8601_To_DateTime (s, dateTime))
+        return true;
+    else if (RFC2068_To_DateTime (s, dateTime))
+        return true;
+    else
+        return false;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */