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+/*
+ This file is part of the KDE libraries
+ Copyright (c) 2000 Waldo Bastian <bastian@kde.org>
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public
+ License version 2 as published by the Free Software Foundation.
+
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public License
+ along with this library; see the file COPYING.LIB. If not, write to
+ the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA.
+*/
+
+#ifndef _KRFCDATE_H_
+#define _KRFCDATE_H_
+
+#include <qstring.h>
+#include <time.h>
+#include "kdelibs_export.h"
+
+/**
+ * The KRFCDate class contains functions related to the parsing of dates.
+ *
+ * @author Waldo Bastian <bastian@kde.org>
+ */
+class KDECORE_EXPORT KRFCDate
+{
+public:
+ /**
+ * This function tries to parse a string containing a date/time in any
+ * of the formats specified by RFC822, RFC850, RFC1036, RFC1123 and RFC2822.
+ *
+ * If the date/time could not be parsed, 0 is returned. If the
+ * parsed date is epoch, then epoch+1 is returned so that a valid
+ * date will not be confused with an improper date string.
+ *
+ * The date/time returned is converted to UTC.
+ * @param date the date to parse
+ * @return the date, or 0 if not possible
+ */
+ static time_t parseDate(const QString &date);
+
+ /**
+ * This function tries to parse a string containing a date/time in
+ * any of the formats specified by http://www.w3.org/TR/NOTE-datetime
+ *
+ * This is a subset of the formats specified in ISO8601.
+ *
+ * If the date/time could not be parsed, 0 is returned. If the
+ * parsed date is epoch, then epoch+1 is returned so that a valid
+ * date will not be confused with an improper date string.
+ *
+ * The date/time returned is converted to UTC.
+ *
+ * @param date the date to parse
+ * @return the date, or 0 if not possible
+ */
+ static time_t parseDateISO8601(const QString &date);
+
+ /**
+ * Returns the local timezone offset to UTC in minutes
+ * @return the local timezone offset in minutes
+ */
+ static int localUTCOffset();
+
+
+ /**
+ * Returns a string representation of the given date and time formated
+ * in conformance to RFC2822.
+ *
+ * @param utcTime a date and time in UTC
+ * @param utcOffset the offset to UTC in minutes
+ * @return the string representation of the date
+ */
+
+ static QCString rfc2822DateString(time_t utcTime, int utcOffset);
+
+
+ /**
+ * Returns a string representation of the given date and time formated
+ * in conformance to RFC2822.
+ *
+ * Provided for convenience, the function is equivalent to
+ * rfc2822DateString(t, localUTCOffset()).
+ *
+ * @param utcTime a date and time in UTC
+ * @return the string representation of the date
+ */
+
+ static QCString rfc2822DateString(time_t utcTime);
+
+};
+
+#endif