added iOS source code

[wl-app.git] / iOS / Pods / Realm / include / core / realm / olddatetime.hpp

diff --git a/iOS/Pods/Realm/include/core/realm/olddatetime.hpp b/iOS/Pods/Realm/include/core/realm/olddatetime.hpp
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+/*************************************************************************
+ *
+ * Copyright 2016 Realm Inc.
+ *
+ * Licensed 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
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ **************************************************************************/
+
+#ifndef REALM_DATETIME_HPP
+#define REALM_DATETIME_HPP
+
+#include <ctime>
+#include <ostream>
+
+namespace realm {
+
+
+class OldDateTime {
+public:
+    OldDateTime() noexcept
+        : m_time(0)
+    {
+    }
+
+    /// Construct from the number of seconds since Jan 1 00:00:00 UTC
+    /// 1970.
+    /// FIXME: See if we can make this private again. Required by query_expression.hpp
+    OldDateTime(int_fast64_t d) noexcept
+        : m_time(d)
+    {
+    }
+
+    /// Return the time as seconds since Jan 1 00:00:00 UTC 1970.
+    int_fast64_t get_olddatetime() const noexcept
+    {
+        return m_time;
+    }
+
+    friend bool operator==(const OldDateTime&, const OldDateTime&) noexcept;
+    friend bool operator!=(const OldDateTime&, const OldDateTime&) noexcept;
+    friend bool operator<(const OldDateTime&, const OldDateTime&) noexcept;
+    friend bool operator<=(const OldDateTime&, const OldDateTime&) noexcept;
+    friend bool operator>(const OldDateTime&, const OldDateTime&) noexcept;
+    friend bool operator>=(const OldDateTime&, const OldDateTime&) noexcept;
+
+    /// Construct from broken down local time.
+    ///
+    /// \note This constructor uses std::mktime() to convert the
+    /// specified local time to seconds since the Epoch, that is, the
+    /// result depends on the current globally specified time zone
+    /// setting.
+    ///
+    /// \param year The year (the minimum valid value is 1970).
+    ///
+    /// \param month The month in the range [1, 12].
+    ///
+    /// \param day The day of the month in the range [1, 31].
+    ///
+    /// \param hours Hours since midnight in the range [0, 23].
+    ///
+    /// \param minutes Minutes after the hour in the range [0, 59].
+    ///
+    /// \param seconds Seconds after the minute in the range [0,
+    /// 60]. Note that the range allows for leap seconds.
+    OldDateTime(int year, int month, int day, int hours = 0, int minutes = 0, int seconds = 0);
+
+    template <class Ch, class Tr>
+    friend std::basic_ostream<Ch, Tr>& operator<<(std::basic_ostream<Ch, Tr>& out, const OldDateTime&);
+
+    // This is used by query_expression.hpp to generalize its templates and simplify the code *alot*; it is needed
+    // because OldDateTime is internally stored in an int64_t column.
+    operator int_fast64_t() noexcept;
+
+private:
+    int_fast64_t m_time; // Seconds since Jan 1 00:00:00 UTC 1970.
+    static std::time_t assemble(int year, int month, int day, int hours, int minutes, int seconds);
+    template <typename T>
+    friend class Value;
+};
+
+
+// Implementation:
+
+inline bool operator==(const OldDateTime& a, const OldDateTime& b) noexcept
+{
+    return a.m_time == b.m_time;
+}
+
+inline bool operator!=(const OldDateTime& a, const OldDateTime& b) noexcept
+{
+    return a.m_time != b.m_time;
+}
+
+inline bool operator<(const OldDateTime& a, const OldDateTime& b) noexcept
+{
+    return a.m_time < b.m_time;
+}
+
+inline bool operator<=(const OldDateTime& a, const OldDateTime& b) noexcept
+{
+    return a.m_time <= b.m_time;
+}
+
+inline bool operator>(const OldDateTime& a, const OldDateTime& b) noexcept
+{
+    return a.m_time > b.m_time;
+}
+
+inline bool operator>=(const OldDateTime& a, const OldDateTime& b) noexcept
+{
+    return a.m_time >= b.m_time;
+}
+
+inline OldDateTime::operator int_fast64_t() noexcept
+{
+    return m_time;
+}
+
+inline OldDateTime::OldDateTime(int year, int month, int day, int hours, int minutes, int seconds)
+    : m_time(assemble(year, month, day, hours, minutes, seconds))
+{
+}
+
+template <class Ch, class Tr>
+inline std::basic_ostream<Ch, Tr>& operator<<(std::basic_ostream<Ch, Tr>& out, const OldDateTime& d)
+{
+    out << "OldDateTime(" << d.m_time << ")";
+    return out;
+}
+
+inline std::time_t OldDateTime::assemble(int year, int month, int day, int hours, int minutes, int seconds)
+{
+    std::tm local_time;
+    local_time.tm_year = year - 1900;
+    local_time.tm_mon = month - 1;
+    local_time.tm_mday = day;
+    local_time.tm_hour = hours;
+    local_time.tm_min = minutes;
+    local_time.tm_sec = seconds;
+    local_time.tm_isdst = -1;
+    return std::mktime(&local_time);
+}
+
+
+} // namespace realm
+
+#endif // REALM_DATETIME_HPP