62 lines
2.3 KiB
C++
62 lines
2.3 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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//===========================================================================//
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#ifndef TIER0_ICOMMANDLINE_H
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#define TIER0_ICOMMANDLINE_H
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#ifdef _WIN32
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#pragma once
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#endif
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#include "tier0/platform.h"
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//-----------------------------------------------------------------------------
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// Purpose: Interface to engine command line
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//-----------------------------------------------------------------------------
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abstract_class ICommandLine
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{
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public:
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virtual void CreateCmdLine( const char *commandline ) = 0;
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virtual void CreateCmdLine( int argc, char **argv ) = 0;
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virtual const char *GetCmdLine( void ) const = 0;
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// Check whether a particular parameter exists
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virtual const char *CheckParm( const char *psz, const char **ppszValue = 0 ) const = 0;
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// A bool return of whether param exists, useful for just checking if param that is just a flag is set
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virtual bool HasParm( const char *psz ) const = 0;
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virtual void RemoveParm( const char *parm ) = 0;
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virtual void AppendParm( const char *pszParm, const char *pszValues ) = 0;
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// Returns the argument after the one specified, or the default if not found
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virtual const char *ParmValue( const char *psz, const char *pDefaultVal = 0 ) const = 0;
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virtual int ParmValue( const char *psz, int nDefaultVal ) const = 0;
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virtual float ParmValue( const char *psz, float flDefaultVal ) const = 0;
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// Gets at particular parameters
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virtual int ParmCount() const = 0;
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virtual int FindParm( const char *psz ) const = 0; // Returns 0 if not found.
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virtual const char* GetParm( int nIndex ) const = 0;
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// copies the string passwed
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virtual void SetParm( int nIndex, char const *pNewParm ) =0;
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virtual const char *ParmValueByIndex( int nIndex, const char *pDefaultVal = 0 ) const = 0;
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};
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//-----------------------------------------------------------------------------
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// Gets a singleton to the commandline interface
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// NOTE: The #define trickery here is necessary for backwards compat:
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// this interface used to lie in the vstdlib library.
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//-----------------------------------------------------------------------------
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PLATFORM_INTERFACE ICommandLine *CommandLine_Tier0();
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#if !defined( VSTDLIB_BACKWARD_COMPAT )
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#define CommandLine CommandLine_Tier0
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#endif
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#endif // TIER0_ICOMMANDLINE_H
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