Mercurial > projects > dwt-addons
view dwtx/dwtxhelper/mangoicu/UTimeZone.d @ 89:040da1cb0d76
Add a local copy of the mango ICU binding to work out the utf8 usability. Will hopefully go back into mango.
author | Frank Benoit <benoit@tionex.de> |
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date | Sun, 22 Jun 2008 22:57:31 +0200 |
parents | |
children | 11e8159caf7a |
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/******************************************************************************* @file UTimeZone.d Copyright (c) 2004 Kris Bell This software is provided 'as-is', without any express or implied warranty. In no event will the authors be held liable for damages of any kind arising from the use of this software. Permission is hereby granted to anyone to use this software for any purpose, including commercial applications, and to alter it and/or redistribute it freely, subject to the following restrictions: 1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment within documentation of said product would be appreciated but is not required. 2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. 3. This notice may not be removed or altered from any distribution of the source. 4. Derivative works are permitted, but they must carry this notice in full and credit the original source. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ @version Initial version, November 2004 @author Kris Note that this package and documentation is built around the ICU project (http://oss.software.ibm.com/icu/). Below is the license statement as specified by that software: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ICU License - ICU 1.8.1 and later COPYRIGHT AND PERMISSION NOTICE Copyright (c) 1995-2003 International Business Machines Corporation and others. All rights reserved. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, provided that the above copyright notice(s) and this permission notice appear in all copies of the Software and that both the above copyright notice(s) and this permission notice appear in supporting documentation. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. Except as contained in this notice, the name of a copyright holder shall not be used in advertising or otherwise to promote the sale, use or other dealings in this Software without prior written authorization of the copyright holder. ---------------------------------------------------------------------- All trademarks and registered trademarks mentioned herein are the property of their respective owners. *******************************************************************************/ module dwtx.dwthelper.mangoicu.UTimeZone; private import dwtx.dwthelper.mangoicu.ICU, dwtx.dwthelper.mangoicu.UString, dwtx.dwthelper.mangoicu.UEnumeration; /******************************************************************************* A representation of a TimeZone. Unfortunately, ICU does not expose this as a seperate entity from the C-API, so we have to make do with an approximation instead. *******************************************************************************/ struct UTimeZone { public wchar[] name; public static UTimeZone Default = {null}; public static UTimeZone Gmt = {"Etc/GMT"}; public static UTimeZone Greenwich = {"Etc/Greenwich"}; public static UTimeZone Uct = {"Etc/UCT"}; public static UTimeZone Utc = {"Etc/UTC"}; public static UTimeZone Universal = {"Etc/Universal"}; public static UTimeZone GmtPlus0 = {"Etc/GMT+0"}; public static UTimeZone GmtPlus1 = {"Etc/GMT+1"}; public static UTimeZone GmtPlus2 = {"Etc/GMT+2"}; public static UTimeZone GmtPlus3 = {"Etc/GMT+3"}; public static UTimeZone GmtPlus4 = {"Etc/GMT+4"}; public static UTimeZone GmtPlus5 = {"Etc/GMT+5"}; public static UTimeZone GmtPlus6 = {"Etc/GMT+6"}; public static UTimeZone GmtPlus7 = {"Etc/GMT+7"}; public static UTimeZone GmtPlus8 = {"Etc/GMT+8"}; public static UTimeZone GmtPlus9 = {"Etc/GMT+9"}; public static UTimeZone GmtPlus10 = {"Etc/GMT+10"}; public static UTimeZone GmtPlus11 = {"Etc/GMT+11"}; public static UTimeZone GmtPlus12 = {"Etc/GMT+12"}; public static UTimeZone GmtMinus0 = {"Etc/GMT-0"}; public static UTimeZone GmtMinus1 = {"Etc/GMT-1"}; public static UTimeZone GmtMinus2 = {"Etc/GMT-2"}; public static UTimeZone GmtMinus3 = {"Etc/GMT-3"}; public static UTimeZone GmtMinus4 = {"Etc/GMT-4"}; public static UTimeZone GmtMinus5 = {"Etc/GMT-5"}; public static UTimeZone GmtMinus6 = {"Etc/GMT-6"}; public static UTimeZone GmtMinus7 = {"Etc/GMT-7"}; public static UTimeZone GmtMinus8 = {"Etc/GMT-8"}; public static UTimeZone GmtMinus9 = {"Etc/GMT-9"}; public static UTimeZone GmtMinus10 = {"Etc/GMT-10"}; public static UTimeZone GmtMinus11 = {"Etc/GMT-11"}; public static UTimeZone GmtMinus12 = {"Etc/GMT-12"}; /*********************************************************************** Get the default time zone. ***********************************************************************/ static void getDefault (inout UTimeZone zone) { uint format (wchar* dst, uint length, inout ICU.Error e) { return ucal_getDefaultTimeZone (dst, length, e); } UString s = new UString(64); s.format (&format, "failed to get default time zone"); zone.name = s.get(); } /*********************************************************************** Set the default time zone. ***********************************************************************/ static void setDefault (inout UTimeZone zone) { ICU.Error e; ucal_setDefaultTimeZone (ICU.toString (zone.name), e); ICU.testError (e, "failed to set default time zone"); } /*********************************************************************** Return the amount of time in milliseconds that the clock is advanced during daylight savings time for the given time zone, or zero if the time zone does not observe daylight savings time ***********************************************************************/ static uint getDSTSavings (inout UTimeZone zone) { ICU.Error e; uint x = ucal_getDSTSavings (ICU.toString (zone.name), e); ICU.testError (e, "failed to get DST savings"); return x; } /********************************************************************** Iterate over the available timezone names **********************************************************************/ static int opApply (int delegate(inout wchar[] element) dg) { ICU.Error e; wchar[] name; int result; void* h = ucal_openTimeZones (e); ICU.testError (e, "failed to open timeszone iterator"); UEnumeration zones = new UEnumeration (cast(UEnumeration.Handle) h); while (zones.next(name) && (result = dg(name)) != 0) {} delete zones; return result; } /*********************************************************************** Bind the ICU functions from a shared library. This is complicated by the issues regarding D and DLLs on the Windows platform ***********************************************************************/ private static void* library; /*********************************************************************** ***********************************************************************/ private static extern (C) { void* function (inout ICU.Error) ucal_openTimeZones; uint function (wchar*, uint, inout ICU.Error) ucal_getDefaultTimeZone; void function (wchar*, inout ICU.Error) ucal_setDefaultTimeZone; uint function (wchar*, inout ICU.Error) ucal_getDSTSavings; } /*********************************************************************** ***********************************************************************/ static FunctionLoader.Bind[] targets = [ {cast(void**) &ucal_openTimeZones, "ucal_openTimeZones"}, {cast(void**) &ucal_getDefaultTimeZone, "ucal_getDefaultTimeZone"}, {cast(void**) &ucal_setDefaultTimeZone, "ucal_setDefaultTimeZone"}, {cast(void**) &ucal_getDSTSavings, "ucal_getDSTSavings"}, ]; /*********************************************************************** ***********************************************************************/ static this () { library = FunctionLoader.bind (ICU.icuin, targets); } /*********************************************************************** ***********************************************************************/ static ~this () { FunctionLoader.unbind (library); } }