// -*- c++ -*-
/* $Id$ */

/* Copyright (C) 2002 The gtkmm Development Team
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free
 * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include <cstddef>
#include <cstring>

#include <glibmm/miscutils.h>
#include <glibmm/utility.h>
#include <glib.h>


namespace Glib
{

Glib::ustring get_application_name()
{
  return convert_const_gchar_ptr_to_ustring (g_get_application_name());
}

void set_application_name(const Glib::ustring& application_name)
{
  g_set_application_name(application_name.c_str());
}

std::string get_prgname()
{
  return convert_const_gchar_ptr_to_stdstring(g_get_prgname());
}

void set_prgname(const std::string& prgname)
{
  g_set_prgname(prgname.c_str());
}

std::string getenv(const std::string& variable, bool& found)
{
  const char *const value = g_getenv(variable.c_str());
  found = (value != 0);
  return convert_const_gchar_ptr_to_stdstring(value);
}

std::string getenv(const std::string& variable)
{
  return convert_const_gchar_ptr_to_stdstring(g_getenv(variable.c_str()));
}

bool setenv(const std::string& variable, const std::string& value, bool overwrite)
{
  return g_setenv(variable.c_str(), value.c_str(), overwrite);
}

void unsetenv(const std::string& variable)
{
  g_unsetenv(variable.c_str());
}

Glib::ArrayHandle<std::string> listenv()
{
  char **value = g_listenv();
  char **end = value;
  while(*end){
    ++end;
  }
  return Glib::ArrayHandle<std::string>(value, end-value, Glib::OWNERSHIP_DEEP);
}

std::string get_user_name()
{
  return convert_const_gchar_ptr_to_stdstring(g_get_user_name());
}

std::string get_real_name()
{
  return convert_const_gchar_ptr_to_stdstring(g_get_real_name());
}

std::string get_home_dir()
{
  return convert_const_gchar_ptr_to_stdstring(g_get_home_dir());
}

std::string get_tmp_dir()
{
  return convert_const_gchar_ptr_to_stdstring(g_get_tmp_dir());
}

std::string get_current_dir()
{
  return convert_return_gchar_ptr_to_stdstring(g_get_current_dir());
}

std::string get_user_special_dir(GUserDirectory directory)
{
  return convert_const_gchar_ptr_to_stdstring(g_get_user_special_dir(directory));
}

std::string get_user_data_dir()
{
  return convert_const_gchar_ptr_to_stdstring(g_get_user_data_dir());
}

std::string get_user_config_dir()
{
  return convert_const_gchar_ptr_to_stdstring(g_get_user_config_dir());
}

std::vector<std::string> get_system_data_dirs()
{
  //TODO: Use a utility function:
  std::vector<std::string> result;
  const char* const * cresult = g_get_system_data_dirs();
  if(!cresult)
    return result;

  for(const gchar* const * iter = cresult; *iter != 0; ++iter)
  {
    result.push_back(
      convert_const_gchar_ptr_to_stdstring(*iter));
  }

  return result;
}

std::vector<std::string> get_system_config_dirs()
{
  //TODO: Use a utility function:
  std::vector<std::string> result;
  const char* const * cresult = g_get_system_config_dirs();
  if(!cresult)
    return result;

  for(const gchar* const * iter = cresult; *iter != 0; ++iter)
  {
    result.push_back(
      convert_const_gchar_ptr_to_stdstring(*iter));
  }

  return result;
}

std::string get_user_cache_dir()
{
  return convert_const_gchar_ptr_to_stdstring(g_get_user_cache_dir());
}

bool path_is_absolute(const std::string& filename)
{
  return (g_path_is_absolute(filename.c_str()) != 0);
}

std::string path_skip_root(const std::string& filename)
{
  // g_path_skip_root() returns a pointer _into_ the argument string,
  // or NULL if there was no root component.
  return convert_const_gchar_ptr_to_stdstring(g_path_skip_root(filename.c_str()));
}

std::string path_get_basename(const std::string& filename)
{
  return convert_return_gchar_ptr_to_stdstring(g_path_get_basename(filename.c_str()));
}

std::string path_get_dirname(const std::string& filename)
{
  return convert_return_gchar_ptr_to_stdstring(g_path_get_dirname(filename.c_str()));
}

std::string build_filename(const Glib::ArrayHandle<std::string>& elements)
{
  return convert_return_gchar_ptr_to_stdstring(g_build_filenamev(const_cast<char**>(elements.data())));
}

std::string build_filename(const std::string& elem1, const std::string& elem2)
{
  return convert_return_gchar_ptr_to_stdstring(g_build_filename(elem1.c_str(),
    elem2.c_str(), static_cast<char*>(0)));
}

std::string build_filename(const std::string& elem1, const std::string& elem2,
                           const std::string& elem3)
{
  return convert_return_gchar_ptr_to_stdstring(g_build_filename(elem1.c_str(),
    elem2.c_str(), elem3.c_str(), static_cast<char*>(0)));
}

std::string build_filename(const std::string& elem1, const std::string& elem2,
                           const std::string& elem3, const std::string& elem4)
{
  return convert_return_gchar_ptr_to_stdstring(g_build_filename(elem1.c_str(),
    elem2.c_str(), elem3.c_str(), elem4.c_str(), static_cast<char*>(0)));
}

std::string build_filename(const std::string& elem1, const std::string& elem2,
                           const std::string& elem3, const std::string& elem4,
                           const std::string& elem5)
{
  return convert_return_gchar_ptr_to_stdstring(g_build_filename(elem1.c_str(),
    elem2.c_str(), elem3.c_str(), elem4.c_str(), elem5.c_str(),
    static_cast<char*>(0)));
}

std::string build_filename(const std::string& elem1, const std::string& elem2,
                           const std::string& elem3, const std::string& elem4,
                           const std::string& elem5, const std::string& elem6)
{
  return convert_return_gchar_ptr_to_stdstring(g_build_filename(elem1.c_str(),
    elem2.c_str(), elem3.c_str(), elem4.c_str(), elem5.c_str(), elem6.c_str(),
    static_cast<char*>(0)));
}

std::string build_filename(const std::string& elem1, const std::string& elem2,
                           const std::string& elem3, const std::string& elem4,
                           const std::string& elem5, const std::string& elem6,
                           const std::string& elem7)
{
  return convert_return_gchar_ptr_to_stdstring(g_build_filename(elem1.c_str(),
    elem2.c_str(), elem3.c_str(), elem4.c_str(), elem5.c_str(), elem6.c_str(),
    elem7.c_str(), static_cast<char*>(0)));
}

std::string build_filename(const std::string& elem1, const std::string& elem2,
                           const std::string& elem3, const std::string& elem4,
                           const std::string& elem5, const std::string& elem6,
                           const std::string& elem7, const std::string& elem8)
{
  return convert_return_gchar_ptr_to_stdstring(g_build_filename(elem1.c_str(),
    elem2.c_str(), elem3.c_str(), elem4.c_str(), elem5.c_str(), elem6.c_str(),
    elem7.c_str(), elem8.c_str(), static_cast<char*>(0)));
}

std::string build_filename(const std::string& elem1, const std::string& elem2,
                           const std::string& elem3, const std::string& elem4,
                           const std::string& elem5, const std::string& elem6,
                           const std::string& elem7, const std::string& elem8,
                           const std::string& elem9)
{
  return convert_return_gchar_ptr_to_stdstring(g_build_filename(elem1.c_str(),
    elem2.c_str(), elem3.c_str(), elem4.c_str(), elem5.c_str(), elem6.c_str(),
    elem7.c_str(), elem8.c_str(), elem9.c_str(), static_cast<char*>(0)));
}

std::string build_path(const std::string& separator, const Glib::ArrayHandle<std::string>& elements)
{
  return convert_return_gchar_ptr_to_stdstring(g_build_pathv(separator.c_str(), const_cast<char**>(elements.data())));
}

std::string find_program_in_path(const std::string& program)
{
  return convert_return_gchar_ptr_to_stdstring(g_find_program_in_path(program.c_str()));
}

} // namespace Glib