D:/work/code_by/IOStream/OutputStream.h

查看本檔案說明文件.

#ifndef _OUTPUTSTREAM_H_
#define _OUTPUTSTREAM_H_

#include <stdio.h>
class TOutputStream
{
protected:
  TOutputStream();      
public:
  virtual ~TOutputStream();
  virtual void Close(void);     
  virtual void Flush(void);     
  virtual int Size(void) = 0;   
  virtual void Write(int) = 0;  
  void Writes(void *, int);     
};
class TFileOutputStream : public TOutputStream
{
protected:
  FILE *fout;   
  unsigned char *cache; 
  int cacheSize;        
  int cacheDataSize;    

  void FlushCache(void);        
public:
  TFileOutputStream();  
  TFileOutputStream(int);       
  ~TFileOutputStream();
  bool Open(char *);    
  void Close(void);
  void Flush(void);
  int Size(void);
  void Write(int);
};
class TFilterOutputStream : public TOutputStream
{
protected:
  TOutputStream *Out;   

  TFilterOutputStream(TOutputStream *); 
public:
  virtual ~TFilterOutputStream();
  virtual void Close(void);
  virtual void Flush(void);
  virtual int Size(void);
  virtual void Write(int);
};
class TDataOutputStream : public TFilterOutputStream
{
public:
  TDataOutputStream(TOutputStream *);   
  ~TDataOutputStream();
  void WriteChar(char);         
  void WriteDouble(double);     
  void WriteFloat(float);       
  void WriteInt(int);           
  void WriteString(char *);     
};
class TCipherOutputStream : public TFilterOutputStream
{
private:
  int index;    
protected:
  int keySize;  
  char *key;    
public:
  TCipherOutputStream(TOutputStream *); 
  ~TCipherOutputStream();
  void SetKey(char *);          
  virtual void Write(int);
};

#endif

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