367 lines
14 KiB
C
367 lines
14 KiB
C
|
// Copyright (C) 2004 Id Software, Inc.
|
||
|
//
|
||
|
|
||
|
#ifndef __FILE_H__
|
||
|
#define __FILE_H__
|
||
|
|
||
|
/*
|
||
|
==============================================================
|
||
|
|
||
|
File Streams.
|
||
|
|
||
|
==============================================================
|
||
|
*/
|
||
|
|
||
|
// mode parm for Seek
|
||
|
typedef enum {
|
||
|
FS_SEEK_CUR,
|
||
|
FS_SEEK_END,
|
||
|
FS_SEEK_SET
|
||
|
} fsOrigin_t;
|
||
|
|
||
|
class idFileSystemLocal;
|
||
|
|
||
|
// RAVEN BEGIN
|
||
|
// jscott: made idFile a pure virtual interface
|
||
|
class idFile {
|
||
|
public:
|
||
|
virtual ~idFile( void ) {}
|
||
|
// Get the name of the file.
|
||
|
virtual const char * GetName( void ) = 0;
|
||
|
// Get the full file path.
|
||
|
virtual const char * GetFullPath( void ) = 0;
|
||
|
// Read data from the file to the buffer.
|
||
|
virtual int Read( void *buffer, int len ) = 0;
|
||
|
// Write data from the buffer to the file.
|
||
|
virtual int Write( const void *buffer, int len ) = 0;
|
||
|
// Returns the length of the file.
|
||
|
virtual int Length( void ) = 0;
|
||
|
// Return a time value for reload operations.
|
||
|
virtual unsigned int Timestamp( void ) = 0;
|
||
|
// Returns offset in file.
|
||
|
virtual int Tell( void ) = 0;
|
||
|
// Forces flush on files being writting to.
|
||
|
virtual void ForceFlush( void ) = 0;
|
||
|
// Causes any buffered data to be written to the file.
|
||
|
virtual void Flush( void ) = 0;
|
||
|
// Seek on a file.
|
||
|
virtual int Seek( long offset, fsOrigin_t origin ) = 0;
|
||
|
// Go back to the beginning of the file.
|
||
|
virtual void Rewind( void ) = 0;
|
||
|
// Like fprintf.
|
||
|
virtual int Printf( const char *fmt, ... ) id_attribute((format(printf,2,3))) = 0;
|
||
|
// Like fprintf but with argument pointer
|
||
|
virtual int VPrintf( const char *fmt, va_list arg ) = 0;
|
||
|
// Write a string with high precision floating point numbers to the file.
|
||
|
virtual int WriteFloatString( const char *fmt, ... ) id_attribute((format(printf,2,3))) = 0;
|
||
|
|
||
|
// Endian portable alternatives to Read(...)
|
||
|
virtual int ReadInt( int &value ) = 0;
|
||
|
virtual int ReadUnsignedInt( unsigned int &value ) = 0;
|
||
|
virtual int ReadShort( short &value ) = 0;
|
||
|
virtual int ReadUnsignedShort( unsigned short &value ) = 0;
|
||
|
virtual int ReadChar( char &value ) = 0;
|
||
|
virtual int ReadUnsignedChar( unsigned char &value ) = 0;
|
||
|
virtual int ReadFloat( float &value ) = 0;
|
||
|
virtual int ReadBool( bool &value ) = 0;
|
||
|
virtual int ReadString( idStr &string ) = 0;
|
||
|
virtual int ReadVec2( idVec2 &vec ) = 0;
|
||
|
virtual int ReadVec3( idVec3 &vec ) = 0;
|
||
|
virtual int ReadVec4( idVec4 &vec ) = 0;
|
||
|
virtual int ReadVec5( idVec5 &vec ) = 0;
|
||
|
virtual int ReadVec6( idVec6 &vec ) = 0;
|
||
|
virtual int ReadMat3( idMat3 &mat ) = 0;
|
||
|
virtual int ReadBounds( idBounds &bounds ) = 0;
|
||
|
|
||
|
// Endian portable alternatives to Write(...)
|
||
|
virtual int WriteInt( const int value ) = 0;
|
||
|
virtual int WriteUnsignedInt( const unsigned int value ) = 0;
|
||
|
virtual int WriteShort( const short value ) = 0;
|
||
|
virtual int WriteUnsignedShort( unsigned short value ) = 0;
|
||
|
virtual int WriteChar( const char value ) = 0;
|
||
|
virtual int WriteUnsignedChar( const unsigned char value ) = 0;
|
||
|
virtual int WriteFloat( const float value ) = 0;
|
||
|
virtual int WriteBool( const bool value ) = 0;
|
||
|
virtual int WriteString( const char *string ) = 0;
|
||
|
virtual int WriteVec2( const idVec2 &vec ) = 0;
|
||
|
virtual int WriteVec3( const idVec3 &vec ) = 0;
|
||
|
virtual int WriteVec4( const idVec4 &vec ) = 0;
|
||
|
virtual int WriteVec5( const idVec5 &vec ) = 0;
|
||
|
virtual int WriteVec6( const idVec6 &vec ) = 0;
|
||
|
virtual int WriteMat3( const idMat3 &mat ) = 0;
|
||
|
virtual int WriteBounds( const idBounds &bounds ) = 0;
|
||
|
|
||
|
// dluetscher: added method to write a structure array that is made up of numerics (floats, ints) from the given storage
|
||
|
virtual void WriteNumericStructArray( int numStructElements, int tokenSubTypeStructElements[], int arrayCount, byte *arrayStorage, const char *prepend ) = 0;
|
||
|
|
||
|
// jscott: for savegame and demo file syncing
|
||
|
virtual void WriteSyncId( void ) = 0;
|
||
|
virtual void ReadSyncId( const char *detail = "unspecified", const char *classname = NULL ) = 0;
|
||
|
};
|
||
|
|
||
|
class idFile_Common : public idFile
|
||
|
{
|
||
|
public:
|
||
|
virtual ~idFile_Common( void ) {}
|
||
|
// Get the name of the file.
|
||
|
virtual const char * GetName( void ) { return( "" ); }
|
||
|
// Get the full file path.
|
||
|
virtual const char * GetFullPath( void ) { return( "" ); }
|
||
|
// Read data from the file to the buffer.
|
||
|
virtual int Read( void *buffer, int len );
|
||
|
// Write data from the buffer to the file.
|
||
|
virtual int Write( const void *buffer, int len );
|
||
|
// Returns the length of the file.
|
||
|
virtual int Length( void ) { return( 0 ); }
|
||
|
// Return a time value for reload operations.
|
||
|
virtual unsigned int Timestamp( void ) { return( 0 ); }
|
||
|
// Returns offset in file.
|
||
|
virtual int Tell( void ) { return( 0 ); }
|
||
|
// Forces flush on files being writting to.
|
||
|
virtual void ForceFlush( void ) {}
|
||
|
// Causes any buffered data to be written to the file.
|
||
|
virtual void Flush( void ) {}
|
||
|
// Seek on a file.
|
||
|
virtual int Seek( long offset, fsOrigin_t origin ) { return( -1 ); }
|
||
|
// Go back to the beginning of the file.
|
||
|
virtual void Rewind( void );
|
||
|
// Like fprintf.
|
||
|
virtual int Printf( const char *fmt, ... ) id_attribute((format(printf,2,3)));
|
||
|
// Like fprintf but with argument pointer
|
||
|
virtual int VPrintf( const char *fmt, va_list arg );
|
||
|
// Write a string with high precision floating point numbers to the file.
|
||
|
virtual int WriteFloatString( const char *fmt, ... ) id_attribute((format(printf,2,3)));
|
||
|
|
||
|
// Endian portable alternatives to Read(...)
|
||
|
virtual int ReadInt( int &value );
|
||
|
virtual int ReadUnsignedInt( unsigned int &value );
|
||
|
virtual int ReadShort( short &value );
|
||
|
virtual int ReadUnsignedShort( unsigned short &value );
|
||
|
virtual int ReadChar( char &value );
|
||
|
virtual int ReadUnsignedChar( unsigned char &value );
|
||
|
virtual int ReadFloat( float &value );
|
||
|
virtual int ReadBool( bool &value );
|
||
|
virtual int ReadString( idStr &string );
|
||
|
virtual int ReadVec2( idVec2 &vec );
|
||
|
virtual int ReadVec3( idVec3 &vec );
|
||
|
virtual int ReadVec4( idVec4 &vec );
|
||
|
virtual int ReadVec5( idVec5 &vec );
|
||
|
virtual int ReadVec6( idVec6 &vec );
|
||
|
virtual int ReadMat3( idMat3 &mat );
|
||
|
virtual int ReadBounds( idBounds &bounds );
|
||
|
|
||
|
// Endian portable alternatives to Write(...)
|
||
|
virtual int WriteInt( const int value );
|
||
|
virtual int WriteUnsignedInt( const unsigned int value );
|
||
|
virtual int WriteShort( const short value );
|
||
|
virtual int WriteUnsignedShort( unsigned short value );
|
||
|
virtual int WriteChar( const char value );
|
||
|
virtual int WriteUnsignedChar( const unsigned char value );
|
||
|
virtual int WriteFloat( const float value );
|
||
|
virtual int WriteBool( const bool value );
|
||
|
virtual int WriteString( const char *string );
|
||
|
virtual int WriteVec2( const idVec2 &vec );
|
||
|
virtual int WriteVec3( const idVec3 &vec );
|
||
|
virtual int WriteVec4( const idVec4 &vec );
|
||
|
virtual int WriteVec5( const idVec5 &vec );
|
||
|
virtual int WriteVec6( const idVec6 &vec );
|
||
|
virtual int WriteMat3( const idMat3 &mat );
|
||
|
virtual int WriteBounds( const idBounds &bounds );
|
||
|
|
||
|
// dluetscher: added method to write a structure array that is made up of numerics (floats, ints) from the given storage
|
||
|
virtual void WriteNumericStructArray( int numStructElements, int tokenSubTypeStructElements[], int arrayCount, byte *arrayStorage, const char *prepend );
|
||
|
|
||
|
// jscott: for savegame and demo file syncing
|
||
|
virtual void WriteSyncId( void );
|
||
|
virtual void ReadSyncId( const char *detail = "unspecific", const char *classname = NULL );
|
||
|
};
|
||
|
|
||
|
class idFile_Memory : public idFile_Common {
|
||
|
// RAVEN END
|
||
|
friend class idFileSystemLocal;
|
||
|
|
||
|
public:
|
||
|
idFile_Memory( void ); // file for writing without name
|
||
|
idFile_Memory( const char *name ); // file for writing
|
||
|
idFile_Memory( const char *name, char *data, int length ); // file for writing
|
||
|
idFile_Memory( const char *name, const char *data, int length ); // file for reading
|
||
|
virtual ~idFile_Memory( void );
|
||
|
|
||
|
virtual const char * GetName( void ) { return name.c_str(); }
|
||
|
virtual const char * GetFullPath( void ) { return name.c_str(); }
|
||
|
virtual int Read( void *buffer, int len );
|
||
|
virtual int Write( const void *buffer, int len );
|
||
|
virtual int Length( void );
|
||
|
virtual unsigned int Timestamp( void );
|
||
|
virtual int Tell( void );
|
||
|
virtual void ForceFlush( void );
|
||
|
virtual void Flush( void );
|
||
|
virtual int Seek( long offset, fsOrigin_t origin );
|
||
|
virtual void Rewind( void );
|
||
|
|
||
|
// changes memory file to read only
|
||
|
virtual void MakeReadOnly( void );
|
||
|
// clear the file
|
||
|
virtual void Clear( bool freeMemory = true );
|
||
|
// set data for reading
|
||
|
void SetData( const char *data, int length );
|
||
|
// returns const pointer to the memory buffer
|
||
|
const char * GetDataPtr( void ) const { return filePtr; }
|
||
|
// set the file granularity
|
||
|
void SetGranularity( int g ) { assert( g > 0 ); granularity = g; }
|
||
|
|
||
|
private:
|
||
|
idStr name; // name of the file
|
||
|
int mode; // open mode
|
||
|
int maxSize; // maximum size of file
|
||
|
int fileSize; // size of the file
|
||
|
int allocated; // allocated size
|
||
|
int granularity; // file granularity
|
||
|
char * filePtr; // buffer holding the file data
|
||
|
char * curPtr; // current read/write pointer
|
||
|
};
|
||
|
|
||
|
|
||
|
// RAVEN BEGIN
|
||
|
class idFile_BitMsg : public idFile_Common {
|
||
|
// RAVEN END
|
||
|
friend class idFileSystemLocal;
|
||
|
|
||
|
public:
|
||
|
idFile_BitMsg( idBitMsg &msg );
|
||
|
idFile_BitMsg( const idBitMsg &msg );
|
||
|
virtual ~idFile_BitMsg( void );
|
||
|
|
||
|
virtual const char * GetName( void ) { return name.c_str(); }
|
||
|
virtual const char * GetFullPath( void ) { return name.c_str(); }
|
||
|
virtual int Read( void *buffer, int len );
|
||
|
virtual int Write( const void *buffer, int len );
|
||
|
virtual int Length( void );
|
||
|
virtual unsigned int Timestamp( void );
|
||
|
virtual int Tell( void );
|
||
|
virtual void ForceFlush( void );
|
||
|
virtual void Flush( void );
|
||
|
virtual int Seek( long offset, fsOrigin_t origin );
|
||
|
|
||
|
private:
|
||
|
idStr name; // name of the file
|
||
|
int mode; // open mode
|
||
|
idBitMsg * msg;
|
||
|
};
|
||
|
|
||
|
|
||
|
// RAVEN BEGIN
|
||
|
class idFile_Permanent : public idFile_Common {
|
||
|
// RAVEN END
|
||
|
friend class idFileSystemLocal;
|
||
|
|
||
|
public:
|
||
|
idFile_Permanent( void );
|
||
|
virtual ~idFile_Permanent( void );
|
||
|
|
||
|
virtual const char * GetName( void ) { return name.c_str(); }
|
||
|
virtual const char * GetFullPath( void ) { return fullPath.c_str(); }
|
||
|
virtual int Read( void *buffer, int len );
|
||
|
virtual int Write( const void *buffer, int len );
|
||
|
virtual int Length( void );
|
||
|
virtual unsigned int Timestamp( void );
|
||
|
virtual int Tell( void );
|
||
|
virtual void ForceFlush( void );
|
||
|
virtual void Flush( void );
|
||
|
virtual int Seek( long offset, fsOrigin_t origin );
|
||
|
|
||
|
// returns file pointer
|
||
|
FILE * GetFilePtr( void ) { return o; }
|
||
|
|
||
|
private:
|
||
|
idStr name; // relative path of the file - relative path
|
||
|
idStr fullPath; // full file path - OS path
|
||
|
int mode; // open mode
|
||
|
int fileSize; // size of the file
|
||
|
FILE * o; // file handle
|
||
|
bool handleSync; // true if written data is immediately flushed
|
||
|
};
|
||
|
|
||
|
class idFile_ASCII : public idFile_Permanent
|
||
|
{
|
||
|
int inside;
|
||
|
|
||
|
public:
|
||
|
idFile_ASCII( void );
|
||
|
|
||
|
virtual int Read( void *buffer, int len );
|
||
|
// Write data from the buffer to the file.
|
||
|
virtual int Write( const void *buffer, int len );
|
||
|
|
||
|
// Endian portable alternatives to Read(...)
|
||
|
virtual int ReadInt( int &value );
|
||
|
virtual int ReadUnsignedInt( unsigned int &value );
|
||
|
virtual int ReadShort( short &value );
|
||
|
virtual int ReadUnsignedShort( unsigned short &value );
|
||
|
virtual int ReadChar( char &value );
|
||
|
virtual int ReadUnsignedChar( unsigned char &value );
|
||
|
virtual int ReadFloat( float &value );
|
||
|
virtual int ReadBool( bool &value );
|
||
|
virtual int ReadString( idStr &string );
|
||
|
virtual int ReadVec2( idVec2 &vec );
|
||
|
virtual int ReadVec3( idVec3 &vec );
|
||
|
virtual int ReadVec4( idVec4 &vec );
|
||
|
virtual int ReadVec5( idVec5 &vec );
|
||
|
virtual int ReadVec6( idVec6 &vec );
|
||
|
virtual int ReadMat3( idMat3 &mat );
|
||
|
|
||
|
// Endian portable alternatives to Write(...)
|
||
|
virtual int WriteInt( const int value );
|
||
|
virtual int WriteUnsignedInt( const unsigned int value );
|
||
|
virtual int WriteShort( const short value );
|
||
|
virtual int WriteUnsignedShort( unsigned short value );
|
||
|
virtual int WriteChar( const char value );
|
||
|
virtual int WriteUnsignedChar( const unsigned char value );
|
||
|
virtual int WriteFloat( const float value );
|
||
|
virtual int WriteBool( const bool value );
|
||
|
virtual int WriteString( const char *string );
|
||
|
virtual int WriteVec2( const idVec2 &vec );
|
||
|
virtual int WriteVec3( const idVec3 &vec );
|
||
|
virtual int WriteVec4( const idVec4 &vec );
|
||
|
virtual int WriteVec5( const idVec5 &vec );
|
||
|
virtual int WriteVec6( const idVec6 &vec );
|
||
|
virtual int WriteMat3( const idMat3 &mat );
|
||
|
|
||
|
// dluetscher: added method to write a structure array that is made up of numerics (floats, ints) from the given storage
|
||
|
virtual void WriteNumericStructArray( int numStructElements, int tokenSubTypeStructElements[], int arrayCount, byte *arrayStorage, const char *prepend );
|
||
|
|
||
|
// jscott: for savegame and demo file syncing
|
||
|
virtual void WriteSyncId( void );
|
||
|
virtual void ReadSyncId( const char *detail = "unspecific", const char *classname = NULL );
|
||
|
};
|
||
|
|
||
|
// RAVEN BEGIN
|
||
|
class idFile_InZip : public idFile_Common {
|
||
|
// RAVEN END
|
||
|
friend class idFileSystemLocal;
|
||
|
|
||
|
public:
|
||
|
idFile_InZip( void );
|
||
|
virtual ~idFile_InZip( void );
|
||
|
|
||
|
virtual const char * GetName( void ) { return name.c_str(); }
|
||
|
virtual const char * GetFullPath( void ) { return fullPath.c_str(); }
|
||
|
virtual int Read( void *buffer, int len );
|
||
|
virtual int Write( const void *buffer, int len );
|
||
|
virtual int Length( void );
|
||
|
virtual unsigned int Timestamp( void );
|
||
|
virtual int Tell( void );
|
||
|
virtual void ForceFlush( void );
|
||
|
virtual void Flush( void );
|
||
|
virtual int Seek( long offset, fsOrigin_t origin );
|
||
|
|
||
|
private:
|
||
|
idStr name; // name of the file in the pak
|
||
|
idStr fullPath; // full file path including pak file name
|
||
|
int zipFilePos; // zip file info position in pak
|
||
|
int fileSize; // size of the file
|
||
|
void * z; // unzip info
|
||
|
};
|
||
|
|
||
|
#endif /* !__FILE_H__ */
|