---

FBwStringField.h

Go to the documentation of this file.

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

#ifndef IbMStringFieldH
#define IbMStringFieldH
namespace fbwrap
{

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

class FBwStringField : public FBwField
{
    char *svalue;
    string  value;
    short pLen;
    bool Varying;
    bool SpaceFill;
    bool ValueTrim;
protected:
    void *GetPtr()
    {
        if( svalue == NULL )
            svalue = new char[256];
        return svalue;
    }
    virtual void bCopy(const FBwField *fld)
    {
        value = fld->AsString();
    }
    virtual int ByteSize()
    {
        return pLen+3;
    }
public:


    FBwStringField(string pName, short MxLen=127, bool pVarying=false);
    FBwStringField(const FBwStringField &f);
    virtual std::ostream &DisplayText(std::ostream  &o) const;
    virtual string AsString() const;
    virtual long AsInteger() const;
    virtual void SetAsString(const string &pvalue) 
    {
        ClearNull();
        value = pvalue;
    }
    virtual void ConvertStoV();
    virtual void ConvertVtoS();
    virtual void BindPtr(char  **p)
    {
        *p=svalue;
    }
    string &Value()
    {
        return value;
    }
    virtual ~FBwStringField()
    {
        delete[] svalue;
    }
    bool IsVarying()
    {
        return Varying;
    }
    short MaxLen()
    {
        return pLen;
    }
    void SetMaxLen(short mxLen)
    {
        if( pLen < mxLen )
        {
            delete[] svalue;
            svalue = new char[mxLen];
        }
        pLen=mxLen;
    }

    void SetFill(bool v=true)
    {
        SpaceFill=v;
    }
    void SetValueTrim(bool how=true)
    {
        ValueTrim=how;
    }
    FBwField *Clone() const
    {
        return new FBwStringField(*this);
    }
    virtual short GetLen()
    {
        return pLen-1;
    }
};

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

---