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#ifndef ODBC_COLUMN_H
#define ODBC_COLUMN_H
#include <typeinfo>
#include <glibmm/ustring.h>
#include "bind.h"
#include "param.h"
namespace ODBC {
class SelectCommand;
class HandleField {
public:
virtual void null() = 0;
virtual void string(const std::vector<char> &) = 0;
virtual void integer(SQLINTEGER) = 0;
virtual void floatingpoint(SQLDOUBLE) = 0;
virtual void timestamp(const SQL_TIMESTAMP_STRUCT &) = 0;
};
class Column : public virtual Bind {
public:
Column(SelectCommand *, const Glib::ustring &, unsigned int);
virtual ~Column() = 0;
void bind();
virtual void * rwDataAddress() = 0;
void rebind(Command *, unsigned int idx) const;
virtual void resize(SQLHANDLE);
virtual void onScroll();
virtual operator int () const { throw std::bad_cast(); }
virtual operator long () const { throw std::bad_cast(); }
virtual operator long long () const { throw std::bad_cast(); }
virtual operator unsigned int () const { throw std::bad_cast(); }
virtual operator unsigned long () const { throw std::bad_cast(); }
virtual operator unsigned long long () const { throw std::bad_cast(); }
virtual operator double () const { throw std::bad_cast(); }
virtual operator float () const { throw std::bad_cast(); }
virtual operator std::string () const { throw std::bad_cast(); }
virtual operator Glib::ustring () const { throw std::bad_cast(); }
virtual operator struct tm () const { throw std::bad_cast(); }
virtual operator SQL_TIMESTAMP_STRUCT () const { throw std::bad_cast(); }
bool isNull() const;
virtual void apply(HandleField &) const = 0;
const unsigned int colNo;
const Glib::ustring name;
const SelectCommand * selectCmd;
protected:
virtual const Param * meAsAParam() const = 0;
};
class CharArrayColumn : public Column, public Param {
public:
typedef std::vector<char> CharArray;
CharArrayColumn(SelectCommand * sc, const Glib::ustring & n, unsigned int i) :
Column(sc, n, i)
{
data.resize(256);
}
virtual SQLSMALLINT ctype() const { return SQL_C_CHAR; }
virtual SQLSMALLINT stype() const { return SQL_CHAR; }
virtual SQLULEN size() const { return data.size(); }
virtual SQLINTEGER dp() const { return 0; }
virtual const void * dataAddress() const { return &data.front(); }
virtual void * rwDataAddress() { return &data.front(); }
void operator=(const Glib::ustring & d);
void resize(SQLHANDLE);
virtual operator std::string () const { return std::string(&data.front(), bindLen); }
virtual operator Glib::ustring () const { return std::string(&data.front(), bindLen); }
virtual void apply(HandleField &) const;
protected:
virtual const Param * meAsAParam() const { return this; }
CharArray data;
};
class SignedIntegerColumn : public Column, public SignedIntegerParam {
public:
SignedIntegerColumn(SelectCommand * sc, const Glib::ustring & n, unsigned int i) :
Column(sc, n, i) { }
virtual SQLSMALLINT ctype() const { return SignedIntegerParam::ctype(); }
virtual SQLULEN size() const { return SignedIntegerParam::size(); }
virtual void * rwDataAddress() { return &data; }
virtual operator int () const { return data; }
virtual operator long () const { return data; }
virtual operator long long () const { return data; }
virtual const Param * meAsAParam() const { return this; }
virtual void apply(HandleField &) const;
};
#ifdef COMPLETENESS
class UnsignedIntegerColumn : public Column, public UnsignedIntegerParam {
public:
UnsignedIntegerColumn(SelectCommand * sc, const Glib::ustring & n, unsigned int i) :
Column(sc, n, i) { }
virtual const Param * meAsAParam() const { return this; }
};
#endif
class FloatingPointColumn : public Column, public FloatingPointParam {
public:
FloatingPointColumn(SelectCommand * sc, const Glib::ustring & n, unsigned int i) :
Column(sc, n, i) { }
virtual SQLSMALLINT ctype() const { return FloatingPointParam::ctype(); }
virtual SQLULEN size() const { return FloatingPointParam::size(); }
virtual void * rwDataAddress() { return &data; }
virtual operator double () const { return data; }
virtual operator float () const { return data; }
virtual const Param * meAsAParam() const { return this; }
virtual void apply(HandleField &) const;
};
class TimeStampColumn : public Column, public TimeStampParam {
public:
TimeStampColumn(SelectCommand * sc, const Glib::ustring & n, unsigned int i) :
Column(sc, n, i) { }
virtual SQLSMALLINT ctype() const { return TimeStampParam::ctype(); }
virtual SQLULEN size() const { return TimeStampParam::size(); }
virtual void * rwDataAddress() { return &data; }
virtual operator struct tm () const;
virtual operator SQL_TIMESTAMP_STRUCT () const { return data; }
virtual const Param * meAsAParam() const { return this; }
virtual void apply(HandleField &) const;
};
}
#endif
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