//========= Copyright © 1996-2005, Valve Corporation, All rights reserved. ============//
//
// Purpose: 
//
// $Workfile:     $
// $Date:         $
// $NoKeywords: $
//=============================================================================//

#ifndef CMDLIB_H
#define CMDLIB_H

#ifdef _WIN32
#pragma once
#endif

// cmdlib.h

#include "basetypes.h"

// This can go away when everything is in bin.
#if defined( CMDLIB_NODBGLIB )
	void Error( char const *pMsg, ... );
#else
	#include "tier0/dbg.h"
#endif

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <errno.h>
#include <ctype.h>
#include <time.h>
#include <stdarg.h>
#include "filesystem.h"
#include "filesystem_tools.h"


// Tools should use this as the read path ID. It'll look into the paths specified by gameinfo.txt
#define TOOLS_READ_PATH_ID "GAME"


// Tools should use this to fprintf data to files.
void CmdLib_FPrintf( FileHandle_t hFile, const char *pFormat, ... );
char* CmdLib_FGets( char *pOut, int outSize, FileHandle_t hFile );


// This can be set so Msg() sends output to hook functions (like the VMPI MySQL database),
// but doesn't actually printf the output.
extern bool g_bSuppressPrintfOutput;

extern IBaseFileSystem *g_pFileSystem;

// These call right into the functions in filesystem_tools.h
void				CmdLib_InitFileSystem( const char *pFilename, int maxMemoryUsage = 0 );
void				CmdLib_TermFileSystem();	// GracefulExit calls this.
CreateInterfaceFn	CmdLib_GetFileSystemFactory();


#ifdef _WIN32
#pragma warning(disable : 4244)     // MIPS
#pragma warning(disable : 4136)     // X86
#pragma warning(disable : 4051)     // ALPHA

#pragma warning(disable : 4018)     // signed/unsigned mismatch
#pragma warning(disable : 4305)     // truncate from double to float

#pragma warning(disable : 4389)     // singned/unsigned mismatch in ==
#pragma warning(disable: 4512) // assignment operator could not be generated
#endif


// the dec offsetof macro doesnt work very well...
#define myoffsetof(type,identifier) ((size_t)&((type *)0)->identifier)


// set these before calling CheckParm
extern int myargc;
extern char **myargv;

int Q_filelength (FileHandle_t f);
int	FileTime (char *path);

void	Q_mkdir( char *path );

char *ExpandArg (char *path);	// expand relative to CWD
char *ExpandPath (char *path);	// expand relative to gamedir

char *ExpandPathAndArchive (char *path);

// Fills in pOut with "X hours, Y minutes, Z seconds". Leaves out hours or minutes if they're zero.
void GetHourMinuteSecondsString( int nInputSeconds, char *pOut, int outLen );



int		CheckParm (char *check);

FileHandle_t	SafeOpenWrite ( const char *filename );
FileHandle_t	SafeOpenRead ( const char *filename );
void			SafeRead( FileHandle_t f, void *buffer, int count);
void			SafeWrite( FileHandle_t f, void *buffer, int count);

int		LoadFile ( const char *filename, void **bufferptr );
void	SaveFile ( const char *filename, void *buffer, int count );
qboolean	FileExists ( const char *filename );

int 	ParseNum (char *str);

// Do a printf in the specified color.
#define CP_ERROR	stderr, 1, 0, 0, 1		// default colors..
#define CP_WARNING	stderr, 1, 1, 0, 1		
#define CP_STARTUP	stdout, 0, 1, 1, 1		
#define CP_NOTIFY	stdout, 1, 1, 1, 1
void ColorPrintf( FILE *pFile, bool red, bool green, bool blue, bool intensity, char const *pFormat, ... );

// Initialize spew output.
void InstallSpewFunction();

// This registers an extra callback for spew output.
typedef void (*SpewHookFn)( const char * );
void InstallExtraSpewHook( SpewHookFn pFn );

// Install allocation hooks so we error out if an allocation can't happen.
void InstallAllocationFunctions();

// This shuts down mgrs that use threads gracefully. If you just call exit(), the threads can
// get in a state where you can't tell if they are shutdown or not, and it can stall forever.
typedef void (*CleanupFn)();
void CmdLib_AtCleanup( CleanupFn pFn );	// register a callback when Cleanup() is called.
void CmdLib_Cleanup();
void CmdLib_Exit( int exitCode );	// Use this to cleanup and call exit().

// entrypoint if chaining spew functions
SpewRetval_t CmdLib_SpewOutputFunc( SpewType_t type, char const *pMsg );
unsigned short SetConsoleTextColor( int red, int green, int blue, int intensity );
void RestoreConsoleTextColor( unsigned short color );

// Append all spew output to the specified file.
void SetSpewFunctionLogFile( char const *pFilename );

char *COM_Parse (char *data);

extern	char		com_token[1024];

char *copystring(const char *s);

void	CreatePath( char *path );
void	QCopyFile( char *from, char *to );
void	SafeCreatePath( char *path );

extern	qboolean		archive;
extern	char			archivedir[1024];

extern	qboolean verbose;

void qprintf( char *format, ... );

void ExpandWildcards (int *argc, char ***argv);

void CmdLib_AddBasePath( const char *pBasePath );
bool CmdLib_HasBasePath( const char *pFileName, int &pathLength );
int CmdLib_GetNumBasePaths( void );
const char *CmdLib_GetBasePath( int i );

extern bool g_bStopOnExit;

// for compression routines
typedef struct
{
	byte	*data;
	int		count;
} cblock_t;


#endif // CMDLIB_H
