109 lines
3.5 KiB
C++
109 lines
3.5 KiB
C++
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//#pragma title( "Common.hpp - Common classes of general utility" )
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/*
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Copyright (c) 1995-1998, Mission Critical Software, Inc. All rights reserved.
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===============================================================================
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Module - Common.hpp
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System - Common
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Author - Tom Bernhardt, Rich Denham
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Created - 1994-08-22
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Description - Common classes of general utility.
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Updates - 1997-09-12 RED replace TTime class
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===============================================================================
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*/
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#ifndef MCSINC_Common_hpp
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#define MCSINC_Common_hpp
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// Start of header file dependencies
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#ifndef _INC_LIMITS
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#include <limits.h>
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#endif
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#ifndef _INC_STDIO
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#include <stdio.h>
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#endif
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#ifndef _INC_TIME
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#include <time.h>
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#endif
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#ifndef MCSINC_Mcs_h
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#include "Mcs.h"
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#endif
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// End of header file dependencies
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#define SECS(n) (n * 1000)
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#define DIM(array) (sizeof (array) / sizeof (array[0]))
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#ifdef UNICODE
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typedef unsigned short UTCHAR;
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#define UTEXT(quote) ((unsigned short *) (L##quote))
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#else
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typedef unsigned char UTCHAR;
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#define UTEXT(quote) ((unsigned char *) (quote))
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#endif // UNICODE
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#define UnNull(ptr) ( (ptr) ? (ptr) : (UCHAR *) "" )
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#define DAYSECS (24*60*60)
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class TTime
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{
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private:
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protected:
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public:
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time_t Now( // ret-current time
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time_t * pTime // out-optional current time
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) const;
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#ifndef WIN16_VERSION
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__int64 NowAsFiletime( // ret-current time
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__int64 * pTime // out-optional current time
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) const;
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time_t ConvertFiletimeToTimet( // ret-time_t representation
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__int64 fileTime // in -filetime representation
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) const;
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#endif // WIN16_VERSION
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WCHAR * FormatIsoUtc( // ret-YYYY-MM-DD HH:MM:SS string
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time_t tTime ,// in -time_t representation
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WCHAR * sTime // out-YYYY-MM-DD HH:MM:SS string
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) const;
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WCHAR * FormatIsoLcl( // ret-YYYY-MM-DD HH:MM:SS string
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time_t tTime ,// in -time_t representation
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WCHAR * sTime // out-YYYY-MM-DD HH:MM:SS string
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) const;
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};
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extern
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TTime gTTime; // global instance of TTime
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#ifndef WIN16_VERSION
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__int64 // ret-numeric value of string
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TextToInt64(
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TCHAR const * str ,// in-string value to parse
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__int64 minVal ,// in -min allowed value for result
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__int64 maxVal ,// in -max allowed value for result
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char const ** errMsg // out-error message pointer or NULL
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);
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#endif // WIN16_VERSION
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typedef struct EaTimeZoneInfo
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{ // all values are in seconds
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long bias; // time zone bias
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long dst; // daylight savings time bias
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long biasdst; // time zone bias including possible DST
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} EaTimeZoneInfo;
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// Return time zone information
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// If the returned value is TRUE, the EaTimeZoneInfo structure is filled in
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// If the returned value is FALSE, the EaTimeZoneInfo structure is all zeroes
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// Note: UTC (gTTime.Now( NULL )) minus pTimeZoneInfo->biasdst is the local date/time
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BOOL
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EaGetTimeZoneInfo(
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EaTimeZoneInfo * pTimeZoneInfo // in -time zone information
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);
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#endif // MCSINC_Common_hpp
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// Common.hpp - end of file
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