~drizzle-trunk/drizzle/development

2039.3.1 by Brian Aker
Create a user available assert() function.
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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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#ifndef PLUGIN_UTILITY_FUNCTIONS_ASSERT_H
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#define PLUGIN_UTILITY_FUNCTIONS_ASSERT_H
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#include <drizzled/item/function/boolean.h>
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#include <iostream>
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namespace drizzled
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{
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namespace utility_functions
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{
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class Assert :public drizzled::item::function::Boolean
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{
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public:
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  Assert() :
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    drizzled::item::function::Boolean()
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  {
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  }
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  bool val_bool();
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  int64_t val_int()
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  {
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    return val_bool();
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  }
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  const char *func_name() const { return "assert"; }
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  const char *fully_qualified_func_name() const { return "assert()"; }
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  void fix_length_and_dec()
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  {
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    max_length= 1;
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  }
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  bool check_argument_count(int n)
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  {
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    return (n == 1);
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  }
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};
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} /* namespace utility_functions */
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} /* namespace drizzled */
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#endif /* PLUGIN_UTILITY_FUNCTIONS_ASSERT_H */