source-engine/public/tier0/icommandline.h
FluorescentCIAAfricanAmerican 3bf9df6b27 1
2020-04-22 12:56:21 -04:00

62 lines
2.3 KiB
C++

//========= Copyright 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;
// A bool return of whether param exists, useful for just checking if param that is just a flag is set
virtual bool HasParm( const char *psz ) 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;
virtual const char *ParmValueByIndex( int nIndex, const char *pDefaultVal = 0 ) const = 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_Tier0();
#if !defined( VSTDLIB_BACKWARD_COMPAT )
#define CommandLine CommandLine_Tier0
#endif
#endif // TIER0_ICOMMANDLINE_H