/* Copyright 2006 The gtkmm Development Team
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library 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
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public
 * License along with this library; if not, write to the Free
 * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

namespace Glib
{

/**** Glib::KeyFile ********************************************************/

KeyFile::KeyFile()
{
  gobject_ = g_key_file_new();
  owns_gobject_ = true;
}

KeyFile::KeyFile(GKeyFile* castitem, bool takes_ownership)
{
  gobject_ = castitem;
  owns_gobject_ = takes_ownership;
}

KeyFile::~KeyFile()
{
  if (owns_gobject_)
    g_key_file_free(gobject_);
}

bool KeyFile::load_from_data(const Glib::ustring& data, KeyFileFlags flags)
{
  GError* error = 0;

  const gboolean result = g_key_file_load_from_data(
      gobj(), data.c_str(), data.bytes(),
      static_cast<GKeyFileFlags>(unsigned(flags)),
      &error);

  if(error)
    Glib::Error::throw_exception(error);

  return (result != 0);
}

bool KeyFile::load_from_data_dirs(const std::string& file, std::string& full_path,
                                  KeyFileFlags flags)
{
  GError* error = 0;
  char* full_path_c = 0;

  const gboolean result = g_key_file_load_from_data_dirs(
      gobj(), file.c_str(), &full_path_c,
      static_cast<GKeyFileFlags>(unsigned(flags)),
      &error);

  if(error)
    Glib::Error::throw_exception(error);

  if(full_path_c)
    full_path = Glib::ScopedPtr<char>(full_path_c).get();
  else
    full_path.erase();

  return (result != 0);
}

Glib::ustring KeyFile::to_data()
{
  GError* error = 0;
  char *const str = g_key_file_to_data(gobj(), 0, &error);

  if(error)
    Glib::Error::throw_exception(error);

  return Glib::convert_return_gchar_ptr_to_ustring(str);
}

Glib::ArrayHandle<Glib::ustring> KeyFile::get_groups() const
{
  gsize length = 0;
  char** const array = g_key_file_get_groups(const_cast<GKeyFile*>(gobj()), &length);

  return Glib::ArrayHandle<Glib::ustring>(array, length, Glib::OWNERSHIP_DEEP);
}

Glib::ArrayHandle<Glib::ustring> KeyFile::get_keys(const Glib::ustring& group_name) const
{
  gsize length  = 0;
  GError* error = 0;

  char** const array = g_key_file_get_keys(
      const_cast<GKeyFile*>(gobj()),
      (group_name.empty()) ? 0 : group_name.c_str(),
      &length, &error);

  if(error)
    Glib::Error::throw_exception(error);

  return Glib::ArrayHandle<Glib::ustring>(array, length, Glib::OWNERSHIP_DEEP);
}

Glib::ustring KeyFile::get_locale_string(const Glib::ustring& group_name,
                                         const Glib::ustring& key) const
{
  GError* error = 0;
  char *const str = g_key_file_get_locale_string(
      const_cast<GKeyFile*>(gobj()),
      (group_name.empty()) ? 0 : group_name.c_str(),
      key.c_str(), 0, &error);

  if(error)
    Glib::Error::throw_exception(error);

  return Glib::convert_return_gchar_ptr_to_ustring(str);
}

#ifdef GLIBMM_EXCEPTIONS_ENABLED
int KeyFile::get_integer(const Glib::ustring& key) const
#else
int KeyFile::get_integer(const Glib::ustring& key, std::auto_ptr<Glib::Error>& error) const
#endif //GLIBMM_EXCEPTIONS_ENABLED
{
  GError* gerror = 0;
  const int value = g_key_file_get_integer(const_cast<GKeyFile*>(gobj()),
                                           0, key.c_str(), &gerror);
  if(gerror)
#ifdef GLIBMM_EXCEPTIONS_ENABLED
    Glib::Error::throw_exception(gerror);
#else
    error = Glib::Error::throw_exception(gerror);
#endif
  return value;
}

#ifdef GLIBMM_EXCEPTIONS_ENABLED
double KeyFile::get_double(const Glib::ustring& key) const
#else
double KeyFile::get_double(const Glib::ustring& key, std::auto_ptr<Glib::Error>& error) const
#endif //GLIBMM_EXCEPTIONS_ENABLED
{
  GError* gerror = 0;
  double retvalue = g_key_file_get_double(const_cast<GKeyFile*>(gobj()), NULL, key.c_str(), &(gerror));
#ifdef GLIBMM_EXCEPTIONS_ENABLED
  if(gerror)
    ::Glib::Error::throw_exception(gerror);
#else
  if(gerror)
    error = ::Glib::Error::throw_exception(gerror);
#endif //GLIBMM_EXCEPTIONS_ENABLED

  return retvalue;
}

void KeyFile::set_double(const Glib::ustring& key, double value)
{
  g_key_file_set_double(gobj(), 0, key.c_str(), value); 
}

#ifdef GLIBMM_EXCEPTIONS_ENABLED
# define GLIBMM_ERROR_ARG
# define GLIBMM_THROW(err) if (err) Glib::Error::throw_exception(err)
#else
# define GLIBMM_ERROR_ARG , std::auto_ptr<Glib::Error>& error
# define GLIBMM_THROW(err) if (err) error = Glib::Error::throw_exception(err)
#endif

Glib::ArrayHandle<Glib::ustring> KeyFile::get_string_list(const Glib::ustring& group_name,
                                                          const Glib::ustring& key
                                                          GLIBMM_ERROR_ARG) const
{
  gsize   length = 0;
  GError* gerror = 0;

  char** const array = g_key_file_get_string_list(
      const_cast<GKeyFile*>(gobj()),
      (group_name.empty()) ? 0 : group_name.c_str(),
      key.c_str(), &length, &gerror);

  GLIBMM_THROW(gerror);

  return Glib::ArrayHandle<Glib::ustring>(array, length, Glib::OWNERSHIP_DEEP);
}

Glib::ArrayHandle<Glib::ustring> KeyFile::get_locale_string_list(const Glib::ustring& group_name,
                                                                 const Glib::ustring& key,
                                                                 const Glib::ustring& locale
                                                                 GLIBMM_ERROR_ARG) const
{
  gsize   length = 0;
  GError* gerror = 0;

  char** const array = g_key_file_get_locale_string_list(
      const_cast<GKeyFile*>(gobj()),
      (group_name.empty()) ? 0 : group_name.c_str(),
      key.c_str(), locale.c_str(), &length, &gerror);

  GLIBMM_THROW(gerror);

  return Glib::ArrayHandle<Glib::ustring>(array, length, Glib::OWNERSHIP_DEEP);
}

Glib::ArrayHandle<bool> KeyFile::get_boolean_list(const Glib::ustring& group_name,
                                                  const Glib::ustring& key
                                                  GLIBMM_ERROR_ARG) const
{
  gsize   length = 0;
  GError* gerror = 0;

  gboolean *const array = g_key_file_get_boolean_list(
      const_cast<GKeyFile*>(gobj()),
      (group_name.empty()) ? 0 : group_name.c_str(),
      key.c_str(), &length, &gerror);

  GLIBMM_THROW(gerror);

  return Glib::ArrayHandle<bool>(array, length, Glib::OWNERSHIP_SHALLOW);
}

Glib::ArrayHandle<int> KeyFile::get_integer_list(const Glib::ustring& group_name,
                                                 const Glib::ustring& key
                                                 GLIBMM_ERROR_ARG) const
{
  gsize   length = 0;
  GError* gerror = 0;

  int *const array = g_key_file_get_integer_list(
      const_cast<GKeyFile*>(gobj()),
      (group_name.empty()) ? 0 : group_name.c_str(),
      key.c_str(), &length, &gerror);

  GLIBMM_THROW(gerror);

  return Glib::ArrayHandle<int>(array, length, Glib::OWNERSHIP_SHALLOW);
}

Glib::ArrayHandle<double> KeyFile::get_double_list(const Glib::ustring& group_name,
                                                   const Glib::ustring& key
                                                   GLIBMM_ERROR_ARG) const
{
  gsize   length = 0;
  GError* gerror = 0;

  double *const array = g_key_file_get_double_list(const_cast<GKeyFile*>(gobj()),
                                                   group_name.c_str(), key.c_str(),
                                                   &length, &gerror);
  GLIBMM_THROW(gerror);

  return Glib::ArrayHandle<double>(array, length, Glib::OWNERSHIP_SHALLOW);
}

void KeyFile::set_string_list(const Glib::ustring& group_name, const Glib::ustring& key,
                              const Glib::ArrayHandle<Glib::ustring>& list)
{
  g_key_file_set_string_list(gobj(), (group_name.empty()) ? 0 : group_name.c_str(),
                             key.c_str(), list.data(), list.size());
}

void KeyFile::set_locale_string_list(const Glib::ustring& group_name,
                                     const Glib::ustring& key, const Glib::ustring& locale,
                                     const Glib::ArrayHandle<Glib::ustring>& list)
{
  g_key_file_set_locale_string_list(gobj(), (group_name.empty()) ? 0 : group_name.c_str(),
                                    key.c_str(), locale.c_str(), list.data(), list.size());
}

void KeyFile::set_integer_list(const Glib::ustring& group_name, const Glib::ustring& key,
                               const Glib::ArrayHandle<int>& list)
{
  g_key_file_set_integer_list(gobj(), (group_name.empty()) ? 0 : group_name.c_str(),
                              key.c_str(), const_cast<int*>(list.data()), list.size());
}

void KeyFile::set_double_list(const Glib::ustring& group_name, const Glib::ustring& key,
                              const Glib::ArrayHandle<double>& list)
{
  g_key_file_set_double_list(gobj(), group_name.c_str(), key.c_str(),
                             const_cast<double*>(list.data()), list.size());
}

void KeyFile::set_boolean_list(const Glib::ustring& group_name, const Glib::ustring& key,
                               const Glib::ArrayHandle<bool>& list)
{
  g_key_file_set_boolean_list(gobj(), (group_name.empty()) ? 0 : group_name.c_str(),
                              key.c_str(), const_cast<gboolean*>(list.data()), list.size());
}

#ifdef GLIBMM_EXCEPTIONS_ENABLED
Glib::ustring KeyFile::get_comment() const
#else
Glib::ustring KeyFile::get_comment(std::auto_ptr<Glib::Error>& error) const
#endif
{
  GError* gerror = 0;
  char *const str = g_key_file_get_comment(const_cast<GKeyFile*>(gobj()), 0, 0, &gerror);

  GLIBMM_THROW(gerror);

  return Glib::convert_return_gchar_ptr_to_ustring(str);
}

Glib::ustring KeyFile::get_comment(const Glib::ustring& group_name GLIBMM_ERROR_ARG) const
{
  GError* gerror = 0;
  char *const str = g_key_file_get_comment(const_cast<GKeyFile*>(gobj()),
                                           (group_name.empty()) ? 0 : group_name.c_str(),
                                           0, &gerror);
  GLIBMM_THROW(gerror);

  return Glib::convert_return_gchar_ptr_to_ustring(str);
}

void KeyFile::set_comment(const Glib::ustring& comment GLIBMM_ERROR_ARG)
{
  GError* gerror = 0;
  g_key_file_set_comment(gobj(), 0, 0, comment.c_str(), &gerror);

  GLIBMM_THROW(gerror);
}

void KeyFile::set_comment(const Glib::ustring& group_name, const Glib::ustring& comment
                          GLIBMM_ERROR_ARG)
{
  GError* gerror = 0;
  g_key_file_set_comment(gobj(), (group_name.empty()) ? 0 : group_name.c_str(),
                         0, comment.c_str(), &gerror);
  GLIBMM_THROW(gerror);
}

} // namespace Glib