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Type.d

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00001 /*******************************************************************************
00002 
00003         @file Type.d
00004         
00005         Copyright (c) 2004 Kris Bell
00006         
00007         This software is provided 'as-is', without any express or implied
00008         warranty. In no event will the authors be held liable for damages
00009         of any kind arising from the use of this software.
00010         
00011         Permission is hereby granted to anyone to use this software for any 
00012         purpose, including commercial applications, and to alter it and/or 
00013         redistribute it freely, subject to the following restrictions:
00014         
00015         1. The origin of this software must not be misrepresented; you must 
00016            not claim that you wrote the original software. If you use this 
00017            software in a product, an acknowledgment within documentation of 
00018            said product would be appreciated but is not required.
00019 
00020         2. Altered source versions must be plainly marked as such, and must 
00021            not be misrepresented as being the original software.
00022 
00023         3. This notice may not be removed or altered from any distribution
00024            of the source.
00025 
00026         4. Derivative works are permitted, but they must carry this notice
00027            in full and credit the original source.
00028 
00029 
00030                         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
00031 
00032         
00033         @version        Initial version; April 2005
00034                         Moved to mango.convert; November 2005
00035 
00036         @author         Kris
00037 
00038 
00039 *******************************************************************************/
00040 
00041 module mango.convert.Type;
00042 
00043 struct Type
00044 {
00045         // these could be replaced with TypeInfo if there were a dependable
00046         // means of extracting type from there (sans DLL issues, and name
00047         // differences across compilers)
00048         enum : uint
00049         {
00050                 Bool=0, Byte, UByte, Short, UShort, Int, UInt, Long, ULong, 
00051                 Float, Double, Real, Utf8, Utf16, Utf32, Pointer,
00052 
00053                 Raw=uint.max // non-utf type
00054         }
00055 
00056         // this could be extracted from TypeInfo
00057         static int[] widths = 
00058         [
00059                 bool.sizeof,
00060                 byte.sizeof,
00061                 ubyte.sizeof,
00062                 short.sizeof,
00063                 ushort.sizeof,
00064                 int.sizeof,
00065                 uint.sizeof,
00066                 long.sizeof,
00067                 ulong.sizeof,
00068                 float.sizeof,
00069                 double.sizeof,
00070                 real.sizeof,
00071                 char.sizeof,
00072                 wchar.sizeof,
00073                 dchar.sizeof,
00074                 (void*).sizeof,
00075         ];
00076 
00077 
00078         // a mixin template for configuring a default string type
00079         template TextType(T)
00080         {
00081                 static if (is (T == char))
00082                            protected const int TextType = Type.Utf8;
00083                 static if (is (T == wchar))
00084                            protected const int TextType = Type.Utf16;
00085                 static if (is (T == dchar))
00086                            protected const int TextType = Type.Utf32;
00087         }
00088 }
00089 
00090 

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