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/**
* FreeRDP: A Remote Desktop Protocol Implementation
* Time Zone Redirection Table Generator
*
* Copyright 2012 Marc-Andre Moreau <marcandre.moreau@gmail.com>
*
* 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.
*/
/* Run with ' csi scripts/TimeZones.csx' from freerdp checkout root */
using System;
using System.IO;
using System.Globalization;
using System.Collections.ObjectModel;
struct SYSTEM_TIME_ENTRY
{
public UInt16 wYear;
public UInt16 wMonth;
public UInt16 wDayOfWeek;
public UInt16 wDay;
public UInt16 wHour;
public UInt16 wMinute;
public UInt16 wSecond;
public UInt16 wMilliseconds;
};
struct TIME_ZONE_RULE_ENTRY
{
public long TicksStart;
public long TicksEnd;
public Int32 DaylightDelta;
public SYSTEM_TIME_ENTRY StandardDate;
public SYSTEM_TIME_ENTRY DaylightDate;
};
struct TIME_ZONE_ENTRY
{
public string Id;
public Int32 Bias;
public bool SupportsDST;
public string DisplayName;
public string StandardName;
public string DaylightName;
public string RuleTable;
public UInt32 RuleTableCount;
};
int i;
UInt32 index;
const string file = @"winpr/libwinpr/timezone/TimeZones.c";
TimeZoneInfo.AdjustmentRule[] rules;
StreamWriter stream = new StreamWriter(file, false);
ReadOnlyCollection<TimeZoneInfo> timeZones = TimeZoneInfo.GetSystemTimeZones();
Console.WriteLine("Updating " + file);
stream.WriteLine("/* ");
stream.WriteLine(" * Automatically generated with scripts/TimeZones.csx");
stream.WriteLine(" */ ");
stream.WriteLine();
stream.WriteLine("#include \"TimeZones.h\"");
stream.WriteLine();
index = 0;
foreach (TimeZoneInfo timeZone in timeZones)
{
rules = timeZone.GetAdjustmentRules();
if ((!timeZone.SupportsDaylightSavingTime) || (rules.Length < 1))
{
index++;
continue;
}
stream.WriteLine("static const TIME_ZONE_RULE_ENTRY TimeZoneRuleTable_{0}[] =", index);
stream.WriteLine("{");
i = 0;
foreach (TimeZoneInfo.AdjustmentRule rule in rules)
{
DateTime time;
TIME_ZONE_RULE_ENTRY tzr;
TimeZoneInfo.TransitionTime transition;
tzr.TicksStart = rule.DateEnd.ToUniversalTime().Ticks;
tzr.TicksEnd = rule.DateStart.ToUniversalTime().Ticks;
tzr.DaylightDelta = (Int32)rule.DaylightDelta.TotalMinutes;
transition = rule.DaylightTransitionEnd;
time = transition.TimeOfDay;
tzr.StandardDate.wYear = (UInt16)0;
tzr.StandardDate.wMonth = (UInt16)transition.Month;
tzr.StandardDate.wDayOfWeek = (UInt16)transition.DayOfWeek;
tzr.StandardDate.wDay = (UInt16)transition.Week;
tzr.StandardDate.wHour = (UInt16)time.Hour;
tzr.StandardDate.wMinute = (UInt16)time.Minute;
tzr.StandardDate.wSecond = (UInt16)time.Second;
tzr.StandardDate.wMilliseconds = (UInt16)time.Millisecond;
transition = rule.DaylightTransitionStart;
time = transition.TimeOfDay;
tzr.DaylightDate.wYear = (UInt16)0;
tzr.DaylightDate.wMonth = (UInt16)transition.Month;
tzr.DaylightDate.wDayOfWeek = (UInt16)transition.DayOfWeek;
tzr.DaylightDate.wDay = (UInt16)transition.Week;
tzr.DaylightDate.wHour = (UInt16)time.Hour;
tzr.DaylightDate.wMinute = (UInt16)time.Minute;
tzr.DaylightDate.wSecond = (UInt16)time.Second;
tzr.DaylightDate.wMilliseconds = (UInt16)time.Millisecond;
stream.Write("\t{");
stream.Write(" {0}ULL, {1}ULL, {2},", tzr.TicksStart, tzr.TicksEnd, tzr.DaylightDelta);
stream.Write(" { ");
stream.Write("{0}, {1}, {2}, {3}, {4}, {5}, {6}, {7}",
tzr.StandardDate.wYear, tzr.StandardDate.wMonth, tzr.StandardDate.wDayOfWeek,
tzr.StandardDate.wDay, tzr.StandardDate.wHour, tzr.StandardDate.wMinute,
tzr.StandardDate.wSecond, tzr.StandardDate.wMilliseconds);
stream.Write(" }, ");
stream.Write("{ ");
stream.Write("{0}, {1}, {2}, {3}, {4}, {5}, {6}, {7}",
tzr.DaylightDate.wYear, tzr.DaylightDate.wMonth, tzr.DaylightDate.wDayOfWeek,
tzr.DaylightDate.wDay, tzr.DaylightDate.wHour, tzr.DaylightDate.wMinute,
tzr.DaylightDate.wSecond, tzr.DaylightDate.wMilliseconds);
stream.Write(" },");
if (++i < rules.Length)
stream.WriteLine(" },");
else
stream.WriteLine(" }");
}
stream.WriteLine("};");
stream.WriteLine();
index++;
}
index = 0;
stream.WriteLine("const TIME_ZONE_ENTRY TimeZoneTable[] =");
stream.WriteLine("{");
foreach (TimeZoneInfo timeZone in timeZones)
{
TIME_ZONE_ENTRY tz;
TimeSpan offset = timeZone.BaseUtcOffset;
rules = timeZone.GetAdjustmentRules();
tz.Id = timeZone.Id;
tz.Bias = -(Int32)offset.TotalMinutes;
tz.SupportsDST = timeZone.SupportsDaylightSavingTime;
tz.DisplayName = timeZone.DisplayName;
tz.StandardName = timeZone.StandardName;
tz.DaylightName = timeZone.DaylightName;
if ((!tz.SupportsDST) || (rules.Length < 1))
{
tz.RuleTableCount = 0;
tz.RuleTable = "NULL";
}
else
{
tz.RuleTableCount = (UInt32)rules.Length;
tz.RuleTable = "TimeZoneRuleTable_" + index;
}
stream.WriteLine("\t{");
stream.WriteLine("\t\t\"{0}\", {1}, {2}, \"{3}\",",
tz.Id, tz.Bias, tz.SupportsDST ? "TRUE" : "FALSE", tz.DisplayName);
stream.WriteLine("\t\t\"{0}\", \"{1}\",", tz.StandardName, tz.DaylightName);
stream.WriteLine("\t\t{0}, {1}", tz.RuleTable, tz.RuleTableCount);
index++;
if ((int)index < timeZones.Count)
stream.WriteLine("\t},");
else
stream.WriteLine("\t}");
}
stream.WriteLine("};");
stream.WriteLine();
stream.WriteLine("const size_t TimeZoneTableNrElements = ARRAYSIZE(TimeZoneTable);");
stream.WriteLine();
stream.Close();
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