c005e81426
transistion.Day is being pulled and assigned to the DST transition times instead of the week of transition. This gives the wrong date for DST implementation. Pull request #1713 can be killed if libfreerdp/locale/timezone.c can be regenerated form the file resulting from the execution of this script. All implementations of DST appear to be calculated rather than specific. http://www.webexhibits.org/daylightsaving/g.html so transistion.Day should never be relevant.
256 lines
9.8 KiB
C#
256 lines
9.8 KiB
C#
/**
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* FreeRDP: A Remote Desktop Protocol Implementation
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* Time Zone Redirection Table Generator
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*
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* Copyright 2012 Marc-Andre Moreau <marcandre.moreau@gmail.com>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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using System;
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using System.IO;
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using System.Globalization;
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using System.Collections.ObjectModel;
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namespace TimeZones
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{
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struct SYSTEM_TIME_ENTRY
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{
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public UInt16 wYear;
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public UInt16 wMonth;
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public UInt16 wDayOfWeek;
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public UInt16 wDay;
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public UInt16 wHour;
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public UInt16 wMinute;
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public UInt16 wSecond;
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public UInt16 wMilliseconds;
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};
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struct TIME_ZONE_RULE_ENTRY
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{
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public long TicksStart;
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public long TicksEnd;
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public Int32 DaylightDelta;
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public SYSTEM_TIME_ENTRY StandardDate;
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public SYSTEM_TIME_ENTRY DaylightDate;
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};
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struct TIME_ZONE_ENTRY
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{
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public string Id;
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public UInt32 Bias;
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public bool SupportsDST;
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public string DisplayName;
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public string StandardName;
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public string DaylightName;
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public string RuleTable;
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public UInt32 RuleTableCount;
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};
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class TimeZones
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{
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static void Main(string[] args)
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{
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int i;
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UInt32 index;
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const string file = @"TimeZones.txt";
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TimeZoneInfo.AdjustmentRule[] rules;
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StreamWriter stream = new StreamWriter(file, false);
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ReadOnlyCollection<TimeZoneInfo> timeZones = TimeZoneInfo.GetSystemTimeZones();
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stream.WriteLine();
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stream.WriteLine("struct _SYSTEM_TIME_ENTRY");
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stream.WriteLine("{");
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stream.WriteLine("\tuint16 wYear;");
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stream.WriteLine("\tuint16 wMonth;");
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stream.WriteLine("\tuint16 wDayOfWeek;");
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stream.WriteLine("\tuint16 wDay;");
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stream.WriteLine("\tuint16 wHour;");
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stream.WriteLine("\tuint16 wMinute;");
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stream.WriteLine("\tuint16 wSecond;");
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stream.WriteLine("\tuint16 wMilliseconds;");
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stream.WriteLine("};");
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stream.WriteLine("typedef struct _SYSTEM_TIME_ENTRY SYSTEM_TIME_ENTRY;");
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stream.WriteLine();
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stream.WriteLine("struct _TIME_ZONE_RULE_ENTRY");
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stream.WriteLine("{");
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stream.WriteLine("\tuint64 TicksStart;");
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stream.WriteLine("\tuint64 TicksEnd;");
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stream.WriteLine("\tsint32 DaylightDelta;");
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stream.WriteLine("\tSYSTEM_TIME_ENTRY StandardDate;");
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stream.WriteLine("\tSYSTEM_TIME_ENTRY DaylightDate;");
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stream.WriteLine("};");
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stream.WriteLine("typedef struct _TIME_ZONE_RULE_ENTRY TIME_ZONE_RULE_ENTRY;");
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stream.WriteLine();
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stream.WriteLine("struct _TIME_ZONE_ENTRY");
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stream.WriteLine("{");
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stream.WriteLine("\tconst char* Id;");
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stream.WriteLine("\tuint32 Bias;");
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stream.WriteLine("\tboolean SupportsDST;");
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stream.WriteLine("\tconst char* DisplayName;");
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stream.WriteLine("\tconst char* StandardName;");
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stream.WriteLine("\tconst char* DaylightName;");
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stream.WriteLine("\tTIME_ZONE_RULE_ENTRY* RuleTable;");
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stream.WriteLine("\tuint32 RuleTableCount;");
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stream.WriteLine("};");
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stream.WriteLine("typedef struct _TIME_ZONE_ENTRY TIME_ZONE_ENTRY;");
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stream.WriteLine();
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index = 0;
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foreach (TimeZoneInfo timeZone in timeZones)
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{
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rules = timeZone.GetAdjustmentRules();
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if ((!timeZone.SupportsDaylightSavingTime) || (rules.Length < 1))
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{
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index++;
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continue;
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}
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stream.WriteLine("static const TIME_ZONE_RULE_ENTRY TimeZoneRuleTable_{0}[] =", index);
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stream.WriteLine("{");
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i = 0;
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foreach (TimeZoneInfo.AdjustmentRule rule in rules)
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{
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DateTime time;
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TIME_ZONE_RULE_ENTRY tzr;
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TimeZoneInfo.TransitionTime transition;
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tzr.TicksStart = rule.DateEnd.ToUniversalTime().Ticks;
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tzr.TicksEnd = rule.DateStart.ToUniversalTime().Ticks;
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tzr.DaylightDelta = (Int32)rule.DaylightDelta.TotalMinutes;
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transition = rule.DaylightTransitionEnd;
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time = transition.TimeOfDay;
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tzr.StandardDate.wYear = (UInt16)0;
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tzr.StandardDate.wMonth = (UInt16)transition.Month;
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tzr.StandardDate.wDayOfWeek = (UInt16)transition.DayOfWeek;
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tzr.StandardDate.wDay = (UInt16)transition.Week;
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tzr.StandardDate.wHour = (UInt16)time.Hour;
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tzr.StandardDate.wMinute = (UInt16)time.Minute;
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tzr.StandardDate.wSecond = (UInt16)time.Second;
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tzr.StandardDate.wMilliseconds = (UInt16)time.Millisecond;
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transition = rule.DaylightTransitionStart;
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time = transition.TimeOfDay;
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tzr.DaylightDate.wYear = (UInt16)0;
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tzr.DaylightDate.wMonth = (UInt16)transition.Month;
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tzr.DaylightDate.wDayOfWeek = (UInt16)transition.DayOfWeek;
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tzr.DaylightDate.wDay = (UInt16)transition.Week;
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tzr.DaylightDate.wHour = (UInt16)time.Hour;
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tzr.DaylightDate.wMinute = (UInt16)time.Minute;
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tzr.DaylightDate.wSecond = (UInt16)time.Second;
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tzr.DaylightDate.wMilliseconds = (UInt16)time.Millisecond;
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stream.Write("\t{");
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stream.Write(" {0}ULL, {1}ULL, {2},", tzr.TicksStart, tzr.TicksEnd, tzr.DaylightDelta);
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stream.Write(" { ");
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stream.Write("{0}, {1}, {2}, {3}, {4}, {5}",
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tzr.StandardDate.wYear, tzr.StandardDate.wMonth, tzr.StandardDate.wDayOfWeek,
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tzr.StandardDate.wDay, tzr.StandardDate.wHour, tzr.StandardDate.wMinute,
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tzr.StandardDate.wSecond, tzr.StandardDate.wMilliseconds);
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stream.Write(" }, ");
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stream.Write("{ ");
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stream.Write("{0}, {1}, {2}, {3}, {4}, {5}",
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tzr.DaylightDate.wYear, tzr.DaylightDate.wMonth, tzr.DaylightDate.wDayOfWeek,
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tzr.DaylightDate.wDay, tzr.DaylightDate.wHour, tzr.DaylightDate.wMinute,
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tzr.DaylightDate.wSecond, tzr.DaylightDate.wMilliseconds);
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stream.Write(" },");
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if (++i < rules.Length)
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stream.WriteLine(" },");
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else
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stream.WriteLine(" }");
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}
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stream.WriteLine("};");
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stream.WriteLine();
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index++;
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}
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index = 0;
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stream.WriteLine("static const TIME_ZONE_ENTRY TimeZoneTable[] =");
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stream.WriteLine("{");
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foreach (TimeZoneInfo timeZone in timeZones)
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{
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Int32 sbias;
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TIME_ZONE_ENTRY tz;
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TimeSpan offset = timeZone.BaseUtcOffset;
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rules = timeZone.GetAdjustmentRules();
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tz.Id = timeZone.Id;
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if (offset.Hours >= 0)
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{
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sbias = (offset.Hours * 60) + offset.Minutes;
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tz.Bias = (UInt32) sbias;
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}
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else
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{
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sbias = (offset.Hours * 60) + offset.Minutes;
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tz.Bias = (UInt32) (1440 + sbias);
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}
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tz.SupportsDST = timeZone.SupportsDaylightSavingTime;
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tz.DisplayName = timeZone.DisplayName;
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tz.StandardName = timeZone.StandardName;
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tz.DaylightName = timeZone.DaylightName;
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if ((!tz.SupportsDST) || (rules.Length < 1))
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{
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tz.RuleTableCount = 0;
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tz.RuleTable = "NULL";
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}
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else
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{
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tz.RuleTableCount = (UInt32)rules.Length;
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tz.RuleTable = "&TimeZoneRuleTable_" + index;
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tz.RuleTable = "(TIME_ZONE_RULE_ENTRY*) &TimeZoneRuleTable_" + index;
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}
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stream.WriteLine("\t{");
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stream.WriteLine("\t\t\"{0}\", {1}, {2}, \"{3}\",",
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tz.Id, tz.Bias, tz.SupportsDST ? "true" : "false", tz.DisplayName);
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stream.WriteLine("\t\t\"{0}\", \"{1}\",", tz.StandardName, tz.DaylightName);
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stream.WriteLine("\t\t{0}, {1}", tz.RuleTable, tz.RuleTableCount);
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index++;
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if ((int)index < timeZones.Count)
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stream.WriteLine("\t},");
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else
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stream.WriteLine("\t}");
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}
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stream.WriteLine("};");
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stream.WriteLine();
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stream.Close();
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}
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}
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}
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