~drizzle-trunk/drizzle/development

/* - mode: c; c-basic-offset: 2; indent-tabs-mode: nil; -*-

 *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:

 *

 *  Copyright (C) 2010 Brian Aker

 *

 *  This program is free software; you can redistribute it and/or modify

 *  it under the terms of the GNU General Public License as published by

 *  the Free Software Foundation; either version 2 of the License, or

 *  (at your option) any later version.

 *

 *  This program is distributed in the hope that it will be useful,

 *  but WITHOUT ANY WARRANTY; without even the implied warranty of

 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 *  GNU General Public License for more details.

 *

 *  You should have received a copy of the GNU General Public License

 *  along with this program; if not, write to the Free Software

 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

 */

#include <config.h>

#include <assert.h>

#include <drizzled/identifier.h>

#include <drizzled/session.h>

#include <drizzled/internal/my_sys.h>

#include <drizzled/util/tablename_to_filename.h>

#include <drizzled/util/backtrace.h>

#include <algorithm>

#include <sstream>

#include <cstdio>

#include <boost/algorithm/string/compare.hpp>

using namespace std;

namespace drizzled

{

namespace identifier

{

static void build_schema_filename(string &path, const string &name_arg)

{

  path.append("../");

  bool conversion_error= false;

  conversion_error= util::tablename_to_filename(name_arg, path);

  if (conversion_error)

  {

    errmsg_printf(error::ERROR,

                  _("Catalog name cannot be encoded and fit within filesystem "

                    "name length restrictions."));

  }

}

Catalog::Catalog(const std::string &name_arg) :

  _name(name_arg)

{ 

  init();

}

Catalog::Catalog(const drizzled::LEX_STRING &name_arg) :

  _name(name_arg.str, name_arg.length)

{

  init();

}

void  Catalog::init()

{ 

  assert(not _name.empty());

  build_schema_filename(path, _name);

  assert(path.length()); // TODO throw exception, this is a possibility

  util::insensitive_hash hasher;

  hash_value= hasher(path);

}

const std::string &Catalog::getPath() const

{

  return path;

}

bool Catalog::compare(const std::string &arg) const

{

  return boost::iequals(arg, _name);

}

bool Catalog::isValid() const

{

  if (_name.empty())

    return false;

  if (_name.size() > NAME_LEN)

    return false;

  if (_name.at(_name.length() -1) == ' ')

    return false;

  const CHARSET_INFO * const cs= &my_charset_utf8mb4_general_ci;

  int well_formed_error;

  uint32_t res= cs->cset->well_formed_len(cs, _name.c_str(), _name.c_str() + _name.length(),

                                          NAME_CHAR_LEN, &well_formed_error);

  if (well_formed_error)

  {

    my_error(ER_INVALID_CHARACTER_STRING, MYF(0), "identifier", _name.c_str());

    return false;

  }

  if (_name.length() != res)

    return false;

  return true;

}

std::size_t hash_value(Catalog const& b)

{

  return b.getHashValue();

}

void Catalog::getSQLPath(std::string &sql_path) const

{

  sql_path= _name;

}

} /* namespace identifier */

} /* namespace drizzled */