qmemoryfile_p.h

Trolltech公司发布的图形界面操作系统。可在qt-embedded-2.3.10平台上编译为嵌入式图形界面操作系统。

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#ifndef QMEMORYFILE_P_H
#define QMEMORYFILE_P_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists for the convenience
// of the QDawg class in Qtopia
// This header file may change from version to version without notice,
// or even be removed.
//
//


#ifndef QT_H
#include <qglobal.h>
#include <qstring.h>
#endif // QT_H

class QMemoryFileData;

#ifdef QTOPIA_MAKEDLL
#include <qtopia/qpeglobal.h>
class QTOPIA_EXPORT QMemoryFile
#else
class Q_EXPORT QMemoryFile
#endif
{
public:
   
    // Documented in qmemoryfile.cpp 
    enum Flags {
	Write		= 0x00000001,
	Shared		= 0x00000002,
	Create          = 0x00000004,
    };

    QMemoryFile(const QString &fileName, int flags=-1, uint size=0);
    ~QMemoryFile();

    bool isShared() {return (flags & QMemoryFile::Shared) != 0;} 
    bool isWritable() { return (flags & QMemoryFile::Write) != 0;}
    uint size() { return  length;}   
    char *data() { return block; }

private:
    QMemoryFileData *openData (const QString &fileName, int flags, uint size);
    void closeData(QMemoryFileData *memoryFile);
    
protected:
    char* block;
    uint length;
    uint flags;
    QMemoryFileData* d;
};

#endif