# vim:et sts=4 sw=4

#

# ibus-table - The Tables engine for IBus

#

# Copyright (c) 2015 Mike FABIAN <mfabian@redhat.com>

#

# 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA

#

'''

Get locations where ibus-table stores stuff.

The directories used are according to the

“XDG Base Directory Specification”,

see: http://standards.freedesktop.org/basedir-spec/latest/index.html

'''

import os

ibus_table_location = {

    'data': '',

    'lib': '',

    'data_home': '',

    'cache_home': '',

}

def data():

    return ibus_table_location['data']

def lib():

    return ibus_table_location['lib']

def data_home():

    return ibus_table_location['data_home']

def cache_home():

    return ibus_table_location['cache_home']

def _init():

    ibus_table_location['data'] = os.getenv('IBUS_TABLE_LOCATION')

    if (not ibus_table_location['data']

        or not os.path.exists(ibus_table_location['data'])):

        ibus_table_location['data'] = "/usr/share/ibus-table/"

    ibus_table_location['lib'] = os.getenv('IBUS_TABLE_LIB_LOCATION')

    if (not ibus_table_location['lib']

        or not os.path.exists(ibus_table_location['lib'])):

        ibus_table_location['lib'] = "/usr/libexec"

    # $XDG_DATA_HOME defines the base directory relative to which user

    # specific data files should be stored. If $XDG_DATA_HOME is either

    # not set or empty, a default equal to $HOME/.local/share should be

    # used.

    ibus_table_location['data_home'] = os.getenv('IBUS_TABLE_DATA_HOME')

    if (not ibus_table_location['data_home']

        or not os.path.exists(ibus_table_location['data_home'])):

        ibus_table_location['data_home'] = os.getenv('XDG_DATA_HOME')

    if (not ibus_table_location['data_home']

        or not os.path.exists(ibus_table_location['data_home'])):

        ibus_table_location['data_home'] = os.path.expanduser('~/.local/share')

    ibus_table_location['data_home'] = os.path.join(

        ibus_table_location['data_home'], 'ibus-table')

    if not os.access(ibus_table_location['data_home'], os.F_OK):

        os.makedirs(ibus_table_location['data_home'])

    # $XDG_CACHE_HOME defines the base directory relative to which user

    # specific non-essential data files should be stored. If

    # $XDG_CACHE_HOME is either not set or empty, a default equal to

    # $HOME/.cache should be used.

    ibus_table_location['cache_home'] = os.getenv('IBUS_TABLE_CACHE_HOME')

    if (not ibus_table_location['cache_home']

        or not os.path.exists(ibus_table_location['cache_home'])):

        ibus_table_location['cache_home'] = os.getenv('XDG_CACHE_HOME')

    if (not ibus_table_location['cache_home']

        or not os.path.exists(ibus_table_location['cache_home'])):

        ibus_table_location['cache_home'] = os.path.expanduser('~/.cache')

    ibus_table_location['cache_home'] = os.path.join(

        ibus_table_location['cache_home'], 'ibus-table')

    if not os.access(ibus_table_location['cache_home'], os.F_OK):

        os.makedirs(ibus_table_location['cache_home'])

class __ModuleInitializer:

    def __init__(self):

        _init()

        return

    def __del__(self):

        return

__module_init = __ModuleInitializer()