TnbWriter.h

[詳解]

#pragma once
#include "TnbReader.h"
 
 
 
//TNB Library
namespace TNB
{
 
 
 
struct IWriter : IReader, ISerializer
{
    virtual bool CanWrite(void) const = 0;
 
    virtual void Write(size_t size, LPCVOID P) = 0;
 
    virtual void SetEnd(void) = 0;
 
    void WriteFrom(const IConstCollectionT<BYTE>& c)
    {
        if ( ! CanWrite() )
        {
            throw CWriteFailureException(ERROR_INVALID_HANDLE); 
        }
        CVectorT<BYTE> v;
        v.Copy(c);
        Write(v.GetSize(), v.ReferBuffer());
    }
 
    void WriteFrom(const IReader& reader, size_t size = 0, size_t oneBlockSize = 4096)
    {
        if ( ! CanWrite() )
        {
            throw CWriteFailureException(ERROR_INVALID_HANDLE); 
        }
        CByteVector vb;
        if ( size == 0 )
        {
            size = ToIndex(reader.GetLeftoverSize());
        }
        while ( size > 0 )
        {
            size_t l = size;
            if ( l > oneBlockSize ){ l = oneBlockSize; }
            vb = reader.ReadInto(l);
            l = vb.GetSize();
            if ( l == 0 ){ break; }
            Write(vb.GetSize(), vb.ReferBuffer());
            size -= l;
        }
    }
 
    virtual void AddRaw(size_t size, LPCVOID P)
    {
        Write(size, P);
    }
};
 
 
 
}; // TNB