addMFCClass.h

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#pragma once
 
//
// (C) Copyright 2005-2024 by Graebert GmbH.
//
// Permission to use, copy, modify, and distribute this software in
// object code form for any purpose and without fee is hereby granted,
// provided that the above copyright notice appears in all copies and
// that both that copyright notice and the limited warranty and
// restricted rights notice below appear in all supporting
// documentation.
//
// GRAEBERT PROVIDES THIS PROGRAM "AS IS" AND WITH ALL FAULTS.
// GRAEBERT SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTY OF
// MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE.  GRAEBERT GMBH
// DOES NOT WARRANT THAT THE OPERATION OF THE PROGRAM WILL BE
// UNINTERRUPTED OR ERROR FREE.
 
class FileIOFormatter_Impl;
 
class AcOutputBufMgr
{
public:
    AcOutputBufMgr();
    ~AcOutputBufMgr();
    bool attachBuffer(void *, unsigned );
    bool detachBuffer();
    bool hasBuffer() const;
    unsigned byteCount() const;
    void * pointer() const;
    void * requestBytes(unsigned );
    unsigned takeBytes(unsigned );
    bool     reset();
private:
    void * mpBuf;
    unsigned mnBufSz;     
    unsigned mBytesCount;
    unsigned mByteReq;
};
 
class ARX_API AdCharFormatter
{
public:
    enum
    {
        kUnknown = 0,
        kAnsi,
        kUtf8,
        kUtf16LE,
        kUtf16BE,
        kUtf32LE,
        kUtf32BE
    };
    AdCharFormatter(unsigned, bool, bool);
    AdCharFormatter(void);
    AdCharFormatter& operator=(const AdCharFormatter&);
    static unsigned lookupBOM(unsigned);
    static int getBOM(unsigned& , unsigned);
    bool getUseCIF() const;
    bool getExpandLF() const;
    unsigned getFormat() const;
    bool setUseCIF(bool);
    bool setExpandLF(bool);
    unsigned setFormat(unsigned);
    static unsigned wcsLength(const wchar_t *);
    static unsigned wcharToAnsiOrUtf8(wchar_t wch, char *pDestBuf, unsigned nDestBufSize, bool bToAnsi, bool bUseCIF, bool bExpandLF);
    static unsigned wcharToUtf16(wchar_t wch, char * pDestBuf, unsigned nDestBufSize, bool bLittleEndian, bool bExpandLF);
    unsigned wcharToBytes(wchar_t wch, char *pDestBuf, unsigned nDestBufSize) const;
 
private:
    unsigned mFormat;
    bool mUseCIF;
    bool mExpandLF;
};
 
class AcFILEImpl;
class ARX_API AcFILE
{ 
public:    
        AcFILE();
        AcFILE(FILE *);
        ~AcFILE();
    bool isOpen() const;
    int fprintf(ACHAR*, ... );
        FILE * fopen( ACHAR const *, ACHAR const * );
    ACHAR* fgets( ACHAR *, int );
    int fclose( );
    int fgetc();
 
    unsigned getCharFormat() const;
    unsigned setCharFormat(unsigned);
    bool getUseCIF() const;
    bool setUseCIF(bool);
    bool getExpandLF() const;
    bool setExpandLF(bool);
    bool readBOM();
    bool writeBOM();
    int fputc(wchar_t c);
    int fputs(const wchar_t *);
    void attach(FILE *);
    FILE * detach();
    int fprintf(const wchar_t *, ...);
    int vfprintf(const wchar_t *, va_list);
    int fscanf(const wchar_t *, ...);
    FILE * fsopen( const wchar_t *, const wchar_t *, int);
    FILE * pFILE() const;
    int ungetc( wchar_t );
 
private:
        FILE * m_pFptr;
    AdCharFormatter mCharFormtr;
    AcFILEImpl* m_pImpl;
};
 
class AcCFile : public CFile
{
public:
    AcCFile();
    AcCFile(HANDLE hFile);
    AcCFile(LPCTSTR lpszFileName, UINT nOpenFlags);
    virtual ~AcCFile();
 
    virtual UINT Read(void *lpBuf, UINT nCount);
    virtual void Write(const void *lpBuf, UINT nCount);
 
    virtual UINT Read(LPTSTR lpBuf, UINT nCount);
    virtual void Write(LPCTSTR pString, UINT nCount);
    virtual void Write(LPCTSTR pString);
 
    unsigned getCharFormat() const;
    unsigned setCharFormat(unsigned nFmt);
    bool getUseCIF() const;
    bool setUseCIF(bool bUseCIF);
    bool getExpandLF() const;
    bool setExpandLF(bool bExpandLF);
    bool readBOM();
    bool writeBOM();
 
    bool attachBuffer(void *pBufer, unsigned);
    bool detachBuffer();
    bool flushBytes();
    bool hasBuffer() const;
 
private:
    AdCharFormatter mCharFormtr;
    AcOutputBufMgr mOutBufMgr;
};
 
class ARX_API AcCStdioFile : public CStdioFile
{
public:
    AcCStdioFile();
    AcCStdioFile(FILE*);
    AcCStdioFile(LPCTSTR, UINT);
    virtual ~AcCStdioFile();
    virtual BOOL Open(LPCTSTR ,UINT ,CFileException*  = NULL);
    virtual void Flush();
    virtual void Close();
 
    virtual void WriteString(LPCTSTR);
    virtual LPTSTR ReadString(LPTSTR, UINT);
    virtual BOOL ReadString(CString&);
    ULONGLONG Seek(LONGLONG param_1, UINT param_2) override;
    unsigned getCharFormat()const; 
    unsigned setCharFormat(unsigned );
    bool getUseCIF() const; 
    bool setUseCIF(bool ); 
    bool getExpandLF() const;
    bool setExpandLF(bool ); 
    bool readBOM();
    bool writeBOM();
    bool attachBuffer(void *pBufer, unsigned);
    bool detachBuffer();
    bool flushBytes();
    bool hasBuffer() const;
 
private:
    AdCharFormatter mCharFormtr;
    AcOutputBufMgr mOutBufMgr;
    FileIOFormatter_Impl* m_pfilefrmtr;
};