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149 lines
4.2 KiB
149 lines
4.2 KiB
//+------------------------------------------------------------------
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//
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// File: cbaseall.cxx
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//
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// Contents: implementation for base class for all command line
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// classes, both the individual command line object
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// classes and the overall parsing class
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//
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// Synoposis: This base class contains the print function pointer
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// the default print implementation and the constructor
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// error value.
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//
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// Classes: CBaseCmdline
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//
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// Functions:
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//
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// History: 12/27/91 Lizch Created
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// 04/17/92 Lizch Converted to NLS_STR
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// 09/09/92 Lizch Changed SUCCESS to NO_ERROR
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// 09/18/92 Lizch Precompile headers
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// 10/13/93 DeanE Converted to WCHAR
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//
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//-------------------------------------------------------------------
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#include <comtpch.hxx>
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#pragma hdrstop
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#include <cmdlinew.hxx> // public cmdlinew stuff
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#include "_clw.hxx" // private cmdlinew stuff
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#include <ctype.h> // is functions
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void DefaultDisplayMethod(LPCNSTR nszMessage);
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void (* CBaseCmdline::_pfnDisplay)(LPCNSTR nszMessage) = DefaultDisplayMethod;
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NCHAR CBaseCmdline::_nszErrorBuf[];
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//+------------------------------------------------------------------
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//
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// Function: CBaseCmdline Constructor
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//
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// Member: CBaseCmdline
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//
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// Synoposis: Initialises error string and print function pointer
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//
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// History: Created 05/17/92 Lizch
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//
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//-------------------------------------------------------------------
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CBaseCmdline::CBaseCmdline()
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{
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_pfnDisplay = DefaultDisplayMethod;
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_iLastError = CMDLINE_NO_ERROR;
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}
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//+------------------------------------------------------------------
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//
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// Function: CBaseCmdline::SetDisplayMethod, public
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//
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// Member: CBaseCmdline
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//
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// Synoposis: Sets the print function pointer to the passed value. This
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// enables client programs to replace the default printf
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// print method with their own (eg. wprintf).
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//
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// Arguments: [pfnNewDisplayMethod] - Function pointer that replaces
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// current display function.
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//
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// Returns: none
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//
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// History: Created 05/17/92 Lizch
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//
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//-------------------------------------------------------------------
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void CBaseCmdline::SetDisplayMethod(
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void (* pfnNewDisplayMethod)(LPCNSTR nszMessage))
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{
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_pfnDisplay = pfnNewDisplayMethod;
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}
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//+------------------------------------------------------------------
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//
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// Function: DefaultDisplayMethod
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//
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// Synoposis: Used to wrap the printf function to get around problems
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// equating a function pointer expecting a char * to the
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// printf function expecting (char *,...)
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//
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// Arguments: [nszMessage] - Message to display.
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//
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// Returns: none
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//
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// History: Created 05/17/92 Lizch
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//
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//-------------------------------------------------------------------
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void DefaultDisplayMethod(LPCNSTR nszMessage)
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{
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_nprintf(_TEXTN("%s"), nszMessage);
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}
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//+------------------------------------------------------------------
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//
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// Function: CBaseCmdline::QueryError, public
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//
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// Member: CBaseCmdline
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//
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// Synoposis: Returns the internal error indicator and resets it
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// to CMDLINE_NO_ERROR.
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//
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// Effects: sets _iLastError to CMDLINE_NO_ERROR.
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//
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// Arguments: none
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//
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// Returns: the last error
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//
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// History: Created 05/17/92 Lizch
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//
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//-------------------------------------------------------------------
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INT CBaseCmdline::QueryError()
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{
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INT iLastError = _iLastError;
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SetError(CMDLINE_NO_ERROR);
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return(iLastError);
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}
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//+------------------------------------------------------------------
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//
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// Function: CBaseCmdline::SetError, public
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//
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// Member: CBaseCmdline
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//
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// Synoposis: Sets the internal error indicator to the passed value
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//
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// Effects: sets _iLastError to passed value.
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//
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// Arguments: [iLastError] - the new error value
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//
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// Returns: nothing
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//
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// History: Created 05/17/92 Lizch
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//
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//-------------------------------------------------------------------
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void CBaseCmdline::SetError(INT iLastError)
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{
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_iLastError = iLastError;
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}
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