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FBwBlobField.h

//---------------------------------------------------------------------------

#ifndef FBwBlobFieldH
#define FBwBlobFieldH
#include <ibase.h>
#include <string>
#include <FBwError.h>
#include <FBwConect.h>
#include <FBwDPB.h>
#include <FBwTransac.h>
#include <FBwBlob.h>

//---------------------------------------------------------------------------

namespace fbwrap
{

// What are we using from standard libraries
using std::string;

// Avoid Circular dependencies
class FBwDb;

class FBwBlobField : public FBwField
{
    ISC_QUAD blob_id;
    string value;   // This is a text blob so we can put it on a string
protected:
    FBwBlob blb;
    virtual void bCopy(const FBwField *fld)
    {
        value=fld->AsString();
    }
    virtual void *GetPtr()
    {
        return (void *)&blob_id;
    }

public:
    FBwBlobField(string pName,FBwDb *pdb)
        : FBwField(pName,masf_blob),blb(pdb)
    {
        value = "";
    }
    FBwBlobField(string pName,FBwDb *pdb,string Tabla)
        : FBwField(pName,masf_blob),blb(pdb,Tabla,pName)
    {
        value = "";
    }
    FBwBlobField(const FBwBlobField &f);
    virtual void ConvertStoV();
    virtual void ConvertVtoS();
    virtual void BindPtr(char  **p)
    {
        *p =(char *)&blob_id;
    }
    virtual string AsString() const;
    virtual void SetAsString(const string &pvalue) 
    {
        ClearNull();
        value = pvalue;
    }
    FBwField *Clone() const
    {
        return new FBwBlobField(*this);
    }
    virtual ~FBwBlobField()
    {
    }
    virtual int ByteSize() const
    {
        return sizeof(blob_id);
    }
};

//-------------------------------------------------------------------------
}
#endif

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