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-rw-r--r--libodbcpp/column.h145
1 files changed, 110 insertions, 35 deletions
diff --git a/libodbcpp/column.h b/libodbcpp/column.h
index c9e65ca..aa2f2a5 100644
--- a/libodbcpp/column.h
+++ b/libodbcpp/column.h
@@ -1,28 +1,39 @@
#ifndef ODBC_COLUMN_H
#define ODBC_COLUMN_H
+#include <typeinfo>
#include <glibmm/ustring.h>
#include "bind.h"
+#include "param.h"
namespace ODBC {
- class Column : public BindBase {
+ class SelectCommand;
+ class Column : public virtual Bind {
public:
- Column(const Glib::ustring &, unsigned int);
- virtual ~Column();
- void bind(SQLHANDLE, SQLUINTEGER, SQLSMALLINT, void*, size_t);
- virtual void resize(SQLHANDLE);
- operator int () const;
- operator unsigned int () const;
- operator long long () const;
- operator unsigned long long () const;
- operator double () const;
- operator float () const;
- operator const unsigned char * () const;
- operator const char * () const;
- operator std::string () const;
- operator Glib::ustring () const;
- operator struct tm () const;
- virtual void rebind(Command *, unsigned int col) const = 0;
+ 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(); }
+
virtual const Glib::ustring & compose() const = 0;
virtual Glib::ustring compose(const Glib::ustring & fmt) const = 0;
virtual int writeToBuf(char ** buf) const = 0;
@@ -31,32 +42,96 @@ namespace ODBC {
const unsigned int colNo;
const Glib::ustring name;
+ const SelectCommand * selectCmd;
protected:
+ virtual const Param * meAsAParam() const = 0;
mutable Glib::ustring * composeCache;
- SQLLEN bindSize; // Allocated memory
- friend class SelectCommand;
};
- template <class t>
- class _Column : public Bind<t>, public Column {
+ class CharArrayColumn : public Column, public Param {
public:
- _Column(const Glib::ustring &, unsigned int);
- ~_Column() {}
- void rebind(Command *, unsigned int col) const;
- const Glib::ustring & compose() const;
- Glib::ustring compose(const Glib::ustring & fmt) const;
- int writeToBuf(char ** buf) const;
- int writeToBuf(char ** buf, const char * fmt) const;
+ 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 SQLINTEGER 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 const Glib::ustring & compose() const;
+ virtual Glib::ustring compose(const Glib::ustring & fmt) const;
+ virtual int writeToBuf(char ** buf) const;
+ virtual int writeToBuf(char ** buf, const char * fmt) const;
+ virtual operator std::string () const { return std::string(data.begin(), data.end()); }
+ virtual operator Glib::ustring () const { return std::string(data.begin(), data.end()); }
+ protected:
+ virtual const Param * meAsAParam() const { return this; }
+ CharArray data;
};
- class StringColumn : public _Column<SQLCHARVEC> {
+ class SignedIntegerColumn : public Column, public SignedIntegerParam {
public:
- StringColumn(const Glib::ustring & n, unsigned int i) :
- _Column<SQLCHARVEC>(n, i) { }
- void resize(SQLHANDLE);
+ SignedIntegerColumn(SelectCommand * sc, const Glib::ustring & n, unsigned int i) :
+ Column(sc, n, i) { }
+ virtual SQLSMALLINT ctype() const { return SignedIntegerParam::ctype(); }
+ virtual SQLLEN size() const { return SignedIntegerParam::size(); }
+ virtual void * rwDataAddress() { return &data; }
+ virtual const Glib::ustring & compose() const;
+ virtual Glib::ustring compose(const Glib::ustring & fmt) const;
+ virtual int writeToBuf(char ** buf) const;
+ virtual int writeToBuf(char ** buf, const char * fmt) const;
+ 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; }
+ };
+#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 Glib::ustring & compose() const;
+ virtual Glib::ustring compose(const Glib::ustring & fmt) const;
+ virtual int writeToBuf(char ** buf) const;
+ virtual int writeToBuf(char ** buf, const char * fmt) const;
+ 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 SQLLEN size() const { return FloatingPointParam::size(); }
+ virtual void * rwDataAddress() { return &data; }
+ virtual const Glib::ustring & compose() const;
+ virtual Glib::ustring compose(const Glib::ustring & fmt) const;
+ virtual int writeToBuf(char ** buf) const;
+ virtual int writeToBuf(char ** buf, const char * fmt) const;
+ virtual operator double () const { return data; }
+ virtual operator float () const { return data; }
+ virtual const Param * meAsAParam() const { return this; }
+ };
+ 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 SQLLEN size() const { return TimeStampParam::size(); }
+ virtual void * rwDataAddress() { return &data; }
+ virtual const Glib::ustring & compose() const;
+ virtual Glib::ustring compose(const Glib::ustring & fmt) const;
+ virtual int writeToBuf(char ** buf) const;
+ virtual int writeToBuf(char ** buf, const char * fmt) const;
+ virtual operator struct tm () const;
+ virtual operator SQL_TIMESTAMP_STRUCT () const { return data; }
+ virtual const Param * meAsAParam() const { return this; }
};
}
-void operator << (SQL_TIMESTAMP_STRUCT & target, const struct tm &);
-void operator << (struct tm &, const SQL_TIMESTAMP_STRUCT & target);
-
#endif
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