~drizzle-trunk/drizzle/development

1643.3.8 by Brian Aker
Adding in work for schemata
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/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
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 *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
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 *
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 *  Copyright (C) 2010 Brian Aker
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 *
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 *  This program is free software; you can redistribute it and/or modify
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 *  it under the terms of the GNU General Public License as published by
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 *  the Free Software Foundation; either version 2 of the License, or
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 *  (at your option) any later version.
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 *
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 *  This program is distributed in the hope that it will be useful,
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 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
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 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 *  GNU General Public License for more details.
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 *
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 *  You should have received a copy of the GNU General Public License
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 *  along with this program; if not, write to the Free Software
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 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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 */
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2234 by Brian Aker
Mass removal of ifdef/endif in favor of pragma once.
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#pragma once
1643.3.8 by Brian Aker
Adding in work for schemata
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namespace drizzled {
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namespace generator {
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1861.4.5 by Brian Aker
Fix IS to use straight generator.
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typedef std::pair<const drizzled::message::Table *, int32_t> FieldPair;
1861.4.4 by Brian Aker
Cleanup display code around DD/IS
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1643.3.8 by Brian Aker
Adding in work for schemata
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class AllFields
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{
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  Session &session;
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  message::Table table_message;
1938.4.2 by Brian Aker
Fix style issue around table for message (though this is imperfect,...)
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  drizzled::message::table::shared_ptr table_ptr;
1643.3.8 by Brian Aker
Adding in work for schemata
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  int32_t field_iterator;
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  drizzled::generator::AllTables all_tables_generator;
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  bool table_setup();
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public:
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  AllFields(Session &arg);
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  void reset();
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  operator const drizzled::message::Table::Field*()
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  {
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    if (table_ptr)
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    {
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      do {
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        if (field_iterator != table_message.field_size())
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        {
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          const message::Table::Field &field(table_message.field(field_iterator++));
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          return &field;
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        }
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      } while ((table_ptr= all_tables_generator) && table_setup());
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    }
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    return NULL;
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  }
1861.4.4 by Brian Aker
Cleanup display code around DD/IS
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  operator const FieldPair()
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  {
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    if (table_ptr)
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    {
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      do {
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        if (field_iterator != table_message.field_size())
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        {
1861.4.6 by Brian Aker
Switched columns to use AllFields.
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          return std::make_pair(&table_message, field_iterator++);
1861.4.4 by Brian Aker
Cleanup display code around DD/IS
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        }
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      } while ((table_ptr= all_tables_generator) && table_setup());
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    }
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1861.4.5 by Brian Aker
Fix IS to use straight generator.
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    FieldPair null_pair;
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    return null_pair;
1861.4.4 by Brian Aker
Cleanup display code around DD/IS
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  }
1643.3.8 by Brian Aker
Adding in work for schemata
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};
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} /* namespace generator */
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} /* namespace drizzled */
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1861.4.5 by Brian Aker
Fix IS to use straight generator.
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bool operator!(const drizzled::generator::FieldPair &arg);
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