OutputBind.hpp

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// ANNA - Anna is Not Nothingness Anymore                                                         //
//                                                                                                //
// (c) Copyright 2005-2015 Eduardo Ramos Testillano & Francisco Ruiz Rayo                         //
//                                                                                                //
// See project site at http://redmine.teslayout.com/projects/anna-suite                           //
// See accompanying file LICENSE or copy at http://www.teslayout.com/projects/public/anna.LICENSE //


#ifndef anna_dbms_mysql_OutputBind_hpp
#define anna_dbms_mysql_OutputBind_hpp

#include <anna/core/DataBlock.hpp>

#include <anna/dbms/OutputBind.hpp>
#include <anna/dbms/DatabaseException.hpp>

#include <anna/dbms.mysql/BaseBind.hpp>

namespace anna {

class DataBlock;

namespace dbms {

class Statement;

namespace mysql {

class OutputBind : public dbms::OutputBind, public BaseBind {
public:
  OutputBind(const char* name, dbms::Data& data);
  ~OutputBind();

private:
  struct Blob {
    DataBlock buffer;
    st_mysql_stmt* stmt;
    st_mysql_bind* binds;
    int pos;

    Blob();
  };

  Blob* a_blob;

  void decodeLongBlob(dbms::Data&) const noexcept(false);
  void decodeDate(dbms::Data&) ;

  static unsigned char asByte(const char hex)
  {
    return (hex >= '0' && hex <= '9') ? (hex - '0') : ((hex - 'A') + 0x0a);
  }

  /* Funciones virtuales puras */
  void decode() const noexcept(false);
  void prepare(anna::dbms::Statement*, anna::dbms::Connection*, const int pos) noexcept(false);
  void release(anna::dbms::Statement*) {;}
  void do_write(const dbms::LongBlock&) const noexcept(false);

  friend class Statement;
};

}
}
}

#endif