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DateLayout.d

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00001 /*******************************************************************************
00002 
00003         @file DateLayout.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, May 2004
00034         @author         Kris
00035 
00036 
00037 *******************************************************************************/
00038 
00039 module mango.log.DateLayout;
00040 
00041 private import  mango.log.Event,
00042                 mango.log.Layout;
00043 
00044 private import  mango.sys.Epoch;
00045 
00046 private import  mango.format.Format;
00047 
00048 /*******************************************************************************
00049 
00050         A layout with ISO-8601 date information prefixed to each message.
00051        
00052 *******************************************************************************/
00053 
00054 public class DateLayout : Layout
00055 {
00056         /***********************************************************************
00057                 
00058                 Format message attributes into an output buffer and return
00059                 the populated portion.
00060 
00061         ***********************************************************************/
00062 
00063         char[] header (Event event)
00064         {
00065                 Epoch.Fields fields;
00066 
00067                 // convert time to field values
00068                 fields.setUtcTime (event.getEpochTime);
00069                                 
00070                 // point formatter at the output buffer
00071                 Format.Sprintf s;
00072                 s (event.scratch.content);
00073         
00074                 // format fields according to ISO-8601
00075                 int i = s.format ("%04d-%02d-%02d %02d:%02d:%02d,%03d %-6s %s - ",
00076                                   fields.year, 
00077                                   fields.month, 
00078                                   fields.day, 
00079                                   fields.hour, 
00080                                   fields.min, 
00081                                   fields.sec, 
00082                                   event.getTime % 1000,
00083                                   event.getLevelName,
00084                                   event.getName
00085                                   );            
00086                 return s.buffer[0..i];
00087         }
00088 }
00089 
00090 

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