source-engine/external/vpc/public/tier0/icommandline.h

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2020-04-22 16:56:21 +00:00
//===== Copyright <20> 1996-2005, Valve Corporation, All rights reserved. ======//
//
// Purpose:
//
//===========================================================================//
#ifndef TIER0_ICOMMANDLINE_H
#define TIER0_ICOMMANDLINE_H
#ifdef _WIN32
#pragma once
#endif
#include "tier0/platform.h"
//-----------------------------------------------------------------------------
// Purpose: Interface to engine command line
//-----------------------------------------------------------------------------
abstract_class ICommandLine
{
public:
virtual void CreateCmdLine( const char *commandline ) = 0;
virtual void CreateCmdLine( int argc, char **argv ) = 0;
virtual const char *GetCmdLine( void ) const = 0;
// Check whether a particular parameter exists
virtual const char *CheckParm( const char *psz, const char **ppszValue = 0 ) const = 0;
virtual void RemoveParm( const char *parm ) = 0;
virtual void AppendParm( const char *pszParm, const char *pszValues ) = 0;
// Returns the argument after the one specified, or the default if not found
virtual const char *ParmValue( const char *psz, const char *pDefaultVal = 0 ) const = 0;
virtual int ParmValue( const char *psz, int nDefaultVal ) const = 0;
virtual float ParmValue( const char *psz, float flDefaultVal ) const = 0;
// Gets at particular parameters
virtual int ParmCount() const = 0;
virtual int FindParm( const char *psz ) const = 0; // Returns 0 if not found.
virtual const char* GetParm( int nIndex ) const = 0;
// copies the string passwed
virtual void SetParm( int nIndex, char const *pNewParm ) =0;
};
//-----------------------------------------------------------------------------
// Gets a singleton to the commandline interface
// NOTE: The #define trickery here is necessary for backwards compat:
// this interface used to lie in the vstdlib library.
//-----------------------------------------------------------------------------
PLATFORM_INTERFACE ICommandLine *CommandLine();
//-----------------------------------------------------------------------------
// Process related functions
//-----------------------------------------------------------------------------
PLATFORM_INTERFACE const tchar *Plat_GetCommandLine();
#ifndef _WIN32
// helper function for OS's that don't have a ::GetCommandLine() call
PLATFORM_INTERFACE void Plat_SetCommandLine( const char *cmdLine );
#endif
PLATFORM_INTERFACE const char *Plat_GetCommandLineA();
#endif // TIER0_ICOMMANDLINE_H