##	common/config.py
##
## Copyright (C) 2003-2006 Yann Le Boulanger <asterix@lagaule.org>
## Copyright (C) 2005-2006 Nikos Kouremenos <kourem@gmail.com>
## Copyright (C) 2004-2005 Vincent Hanquez <tab@snarc.org>
## Copyright (C) 2005 Dimitur Kirov <dkirov@gmail.com>
## Copyright (C) 2005 Travis Shirk <travis@pobox.com>
## Copyright (C) 2005 Norman Rasmussen <norman@rasmussen.co.za>
## Copyright (C) 2006 Stefan Bethge <stefan@lanpartei.de>
## 
## 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; version 2 only.
##
## 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.
##


import sre
import copy


(
OPT_TYPE,
OPT_VAL,
OPT_DESC,
# If OPT_RESTART is True - we need restart to use our changed option
# OPT_DESC also should be there
OPT_RESTART,
) = range(4)

opt_int = [ 'integer', 0 ]
opt_str = [ 'string', 0 ]
opt_bool = [ 'boolean', 0 ]
opt_color = [ 'color', '^(#[0-9a-fA-F]{6})|()$' ]
opt_one_window_types = ['never', 'always', 'peracct', 'pertype']

DEFAULT_ICONSET = 'dcraven'

class Config:

	__options = {
		# name: [ type, default_value, help_string ]
		'verbose': [ opt_bool, False, '', True ],
		'alwaysauth': [ opt_bool, False ],
		'autopopup': [ opt_bool, False ],
		'notify_on_signin': [ opt_bool, True ],
		'notify_on_signout': [ opt_bool, False ],
		'notify_on_new_message': [ opt_bool, True ],
		'autopopupaway': [ opt_bool, False ],
		'use_notif_daemon': [ opt_bool, True , _('Use D-Bus and Notification-Daemon to show notifications') ],
		'ignore_unknown_contacts': [ opt_bool, False ],
		'showoffline': [ opt_bool, False ],
		'show_transports_group': [ opt_bool, True ],
		'autoaway': [ opt_bool, True ],
		'autoawaytime': [ opt_int, 5, _('Time in minutes, after which your status changes to away.') ],
		'autoaway_message': [ opt_str, _('Away as a result of being idle') ],
		'autoxa': [ opt_bool, True ],
		'autoxatime': [ opt_int, 15, _('Time in minutes, after which your status changes to not available.') ],
		'autoxa_message': [ opt_str, _('Not available as a result of being idle') ],
		'ask_online_status': [ opt_bool, False ],
		'ask_offline_status': [ opt_bool, False ],
		'last_status_msg_online': [ opt_str, '' ],
		'last_status_msg_chat': [ opt_str, '' ],
		'last_status_msg_away': [ opt_str, '' ],
		'last_status_msg_xa': [ opt_str, '' ],
		'last_status_msg_dnd': [ opt_str, '' ],
		'last_status_msg_invisible': [ opt_str, '' ],
		'last_status_msg_offline': [ opt_str, '' ],
		'trayicon': [ opt_bool, True, '', True ],
		'iconset': [ opt_str, DEFAULT_ICONSET, '', True ],
		'use_transports_iconsets': [ opt_bool, True, '', True ],
		'inmsgcolor': [ opt_color, '#a34526', '', True ],
		'outmsgcolor': [ opt_color, '#164e6f', '', True ],
		'statusmsgcolor': [ opt_color, '#1eaa1e', '', True ],
		'markedmsgcolor': [ opt_color, '#ff8080', '', True ],
		'urlmsgcolor': [ opt_color, '#0000ff', '', True ],
		'collapsed_rows': [ opt_str, '', _('List (space separated) of rows (accounts and groups) that are collapsed.'), True ],
		'roster_theme': [ opt_str, 'gtk+', '', True ],
		'saveposition': [ opt_bool, True ],
		'mergeaccounts': [ opt_bool, False, '', True ],
		'sort_by_show': [ opt_bool, True, '', True ],
		'enable_zeroconf': [opt_bool, False, _('Enable link-local/zeroconf messaging')],
		'use_speller': [ opt_bool, False, ],
		'speller_language': [ opt_str, '', _('Language used by speller')],
		'print_time': [ opt_str, 'always',  _('\'always\' - print time for every message.\n\'sometimes\' - print time every print_ichat_every_foo_minutes minute.\n\'never\' - never print time.')],
		'print_time_fuzzy': [ opt_int, 0, _('Print time in chats using Fuzzy Clock. Value of fuzziness from 1 to 4, or 0 to disable fuzzyclock. 1 is the most precise clock, 4 the less precise one. This is used only if print_time is \'sometimes\'.') ],
		'emoticons_theme': [opt_str, 'static', '', True ],
		'ascii_formatting': [ opt_bool, True,
			_('Treat * / _ pairs as possible formatting characters.'), True],
		'show_ascii_formatting_chars': [ opt_bool, True , _('If True, do not '
			'remove */_ . So *abc* will be bold but with * * not removed.')],
		'rst_formatting_outgoing_messages': [ opt_bool, False,
			_('Uses ReStructured text markup for HTML, plus ascii formatting if selected.')],
		'sounds_on': [ opt_bool, True ],
		# 'aplay', 'play', 'esdplay', 'artsplay' detected first time only
		'soundplayer': [ opt_str, '' ],
		'openwith': [ opt_str, 'gnome-open' ],
		'custombrowser': [ opt_str, 'firefox' ],
		'custommailapp': [ opt_str, 'mozilla-thunderbird -compose' ],
		'custom_file_manager': [ opt_str, 'xffm' ],
		'gc-hpaned-position': [opt_int, 430],
		'gc_refer_to_nick_char': [opt_str, ',', _('Character to add after nickname when using nick completion (tab) in group chat.')],
		'gc_proposed_nick_char': [opt_str, '_', _('Character to propose to add after desired nickname when desired nickname is used by someone else in group chat.')],
		'msgwin-x-position': [opt_int, -1], # Default is to let the window manager decide
		'msgwin-y-position': [opt_int, -1], # Default is to let the window manager decide
		'msgwin-width': [opt_int, 500],
		'msgwin-height': [opt_int, 440],
		'chat-msgwin-x-position': [opt_int, -1], # Default is to let the window manager decide
		'chat-msgwin-y-position': [opt_int, -1], # Default is to let the window manager decide
		'chat-msgwin-width': [opt_int, 480],
		'chat-msgwin-height': [opt_int, 440],
		'gc-msgwin-x-position': [opt_int, -1], # Default is to let the window manager decide
		'gc-msgwin-y-position': [opt_int, -1], # Default is to let the window manager decide
		'gc-msgwin-width': [opt_int, 600],
		'gc-msgwin-height': [opt_int, 440],
		'single-msg-x-position': [opt_int, 0],
		'single-msg-y-position': [opt_int, 0],
		'single-msg-width': [opt_int, 400],
		'single-msg-height': [opt_int, 280],
		'roster_x-position': [ opt_int, 0 ],
		'roster_y-position': [ opt_int, 0 ],
		'roster_width': [ opt_int, 150 ],
		'roster_height': [ opt_int, 400 ],
		'latest_disco_addresses': [ opt_str, '' ],
		'recently_groupchat': [ opt_str, '' ],
		'before_time': [ opt_str, '[' ],
		'after_time': [ opt_str, ']' ],
		'before_nickname': [ opt_str, '' ],
		'after_nickname': [ opt_str, ':' ],
		'send_os_info': [ opt_bool, True ],
		'set_status_msg_from_current_music_track': [ opt_bool, False ],
		'notify_on_new_gmail_email': [ opt_bool, True ],
		'notify_on_new_gmail_email_extra': [ opt_bool, False ],
		'usegpg': [ opt_bool, False, '', True ],
		'use_gpg_agent': [ opt_bool, False ],
		'change_roster_title': [ opt_bool, True, _('Add * and [n] in roster title?')],
		'restore_lines': [opt_int, 4, _('How many lines to remember from previous conversation when a chat tab/window is reopened.')],
		'restore_timeout': [opt_int, 60, _('How many minutes should last lines from previous conversation last.')],
		'send_on_ctrl_enter': [opt_bool, False, _('Send message on Ctrl+Enter and with Enter make new line (Mirabilis ICQ Client default behaviour).')],
		'show_roster_on_startup': [opt_bool, True],
		'key_up_lines': [opt_int, 25, _('How many lines to store for Ctrl+KeyUP.')],
		'version': [ opt_str, '0.10.1.3' ], # which version created the config
		'search_engine': [opt_str, 'http://www.google.com/search?&q=%s&sourceid=gajim'],
		'dictionary_url': [opt_str, 'WIKTIONARY', _("Either custom url with %s in it where %s is the word/phrase or 'WIKTIONARY' which means use wiktionary.")],
		'always_english_wikipedia': [opt_bool, False],
		'always_english_wiktionary': [opt_bool, True],
		'remote_control': [opt_bool, True, _('If checked, Gajim can be controlled remotely using gajim-remote.'), True],
		'chat_state_notifications': [opt_str, 'all'], # 'all', 'composing_only', 'disabled'
		'autodetect_browser_mailer': [opt_bool, False, '', True],
		'print_ichat_every_foo_minutes': [opt_int, 5, _('When not printing time for every message (print_time==sometimes), print it every x minutes.')],
		'confirm_close_muc': [opt_bool, True, _('Ask before closing a group chat tab/window.')],
		'confirm_close_muc_rooms': [opt_str, '', _('Always ask before closing group chat tab/window in this space separated list of room jids.')],
		'noconfirm_close_muc_rooms': [opt_str, '', _('Never ask before closing group chat tab/window in this space separated list of room jids.')],
		'notify_on_file_complete': [opt_bool, True],
		'file_transfers_port': [opt_int, 28011],
		'ft_override_host_to_send': [opt_str, '', _('Overrides the host we send for File Transfer in case of address translation/port forwarding.')], 
		'conversation_font': [opt_str, ''],
		'use_kib_mib': [opt_bool, False, _('IEC standard says KiB = 1024 bytes, KB = 1000 bytes.')],
		'notify_on_all_muc_messages': [opt_bool, False],
		'trayicon_notification_on_new_messages': [opt_bool, True],
		'last_save_dir': [opt_str, ''],
		'last_send_dir': [opt_str, ''],
		'last_emoticons_dir': [opt_str, ''],
		'last_sounds_dir': [opt_str, ''],
		'tabs_position': [opt_str, 'top'],
		'tabs_always_visible': [opt_bool, False, _('Show tab when only one conversation?')],
		'tabs_border': [opt_bool, False, _('Show tabbed notebook border in chat windows?')],
		'tabs_close_button': [opt_bool, True, _('Show close button in tab?')],
		'chat_avatar_width': [opt_int, 52],
		'chat_avatar_height': [opt_int, 52],
		'roster_avatar_width': [opt_int, 32],
		'roster_avatar_height': [opt_int, 32],
		'tooltip_avatar_width': [opt_int, 125],
		'tooltip_avatar_height': [opt_int, 125],
		'vcard_avatar_width': [opt_int, 200],
		'vcard_avatar_height': [opt_int, 200],
		'notification_position_x': [opt_int, -1],
		'notification_position_y': [opt_int, -1],
		'notification_avatar_width': [opt_int, 48],
		'notification_avatar_height': [opt_int, 48],
		'muc_highlight_words': [opt_str, '', _('A semicolon-separated list of words that will be highlighted in multi-user chat.')],
		'quit_on_roster_x_button': [opt_bool, False, _('If True, quits Gajim when X button of Window Manager is clicked. This setting is taken into account only if trayicon is used.')],
		'set_xmpp://_handler_everytime': [opt_bool, False, _('If True, Gajim registers for xmpp:// on each startup.')],
		'show_unread_tab_icon': [opt_bool, False, _('If True, Gajim will display an icon on each tab containing unread messages. Depending on the theme, this icon may be animated.')],
		'show_status_msgs_in_roster': [opt_bool, True, _('If True, Gajim will display the status message, if not empty, for every contact under the contact name in roster window.'), True],
		'show_avatars_in_roster': [opt_bool, True, '', True],
		'ask_avatars_on_startup': [opt_bool, True, _('If True, Gajim will ask for avatar each contact that did not have an avatar last time or has one cached that is too old.')],
		'print_status_in_chats': [opt_bool, True, _('If False, Gajim will no longer print status line in chats when a contact changes his or her status and/or his or her status message.')],
		'print_status_in_muc': [opt_str, 'in_and_out', _('can be "none", "all" or "in_and_out". If "none", Gajim will no longer print status line in groupchats when a member changes his or her status and/or his or her status message. If "all" Gajim will print all status messages. If "in_and_out", gajim will only print FOO enters/leaves room.')],
		'log_contact_status_changes': [opt_bool, False],
		'restored_messages_color': [opt_str, 'grey'],
		'restored_messages_small': [opt_bool, True, _('If True, restored messages will use a smaller font than the default one.')],
		'hide_avatar_of_transport': [opt_bool, False, _('Don\'t show avatar for the transport itself.')],
		'roster_window_skip_taskbar': [opt_bool, False, _('Don\'t show roster in the system taskbar.')],
		'use_urgency_hint': [opt_bool, True, _('If True and installed GTK+ and PyGTK versions are at least 2.8, make the window flash (the default behaviour in most Window Managers) when holding pending events.')],
		'notification_timeout': [opt_int, 5],
		'send_sha_in_gc_presence': [opt_bool, True, _('Jabberd1.4 does not like sha info when one join a password protected room. Turn this option to False to stop sending sha info in group chat presences.')],
		'one_message_window': [opt_str, 'always',
#always, never, peracct, pertype should not be translated
			_('Controls the window where new messages are placed.\n\'always\' - All messages are sent to a single window.\n\'never\' - All messages get their own window.\n\'peracct\' - Messages for each account are sent to a specific window.\n\'pertype\' - Each message type (e.g., chats vs. groupchats) are sent to a specific window. Note, changing this option requires restarting Gajim before the changes will take effect.')],
		'show_avatar_in_chat': [opt_bool, True, _('If False, you will no longer see the avatar in the chat window.')],
		'escape_key_closes': [opt_bool, True, _('If True, pressing the escape key closes a tab/window.')],
		'always_hide_groupchat_buttons': [opt_bool, False, _('Hides the buttons in group chat window.')],
		'always_hide_chat_buttons': [opt_bool, False, _('Hides the buttons in two persons chat window.')],
		'hide_groupchat_banner': [opt_bool, False, _('Hides the banner in a group chat window')],
		'hide_chat_banner': [opt_bool, False, _('Hides the banner in two persons chat window')],
		'hide_groupchat_occupants_list': [opt_bool, False, _('Hides the room occupants list in group chat window.')],
		'chat_merge_consecutive_nickname': [opt_bool, False, _('Merge consecutive nickname in chat window.')],
		'chat_merge_consecutive_nickname_indent': [opt_str, '  ', _('Indentation when using merge consecutive nickame.')],
		'gc_nicknames_colors': [ opt_str, '#a34526:#c000ff:#0012ff:#388a99:#38995d:#519938:#ff8a00:#94452d:#244b5a:#32645a', _('List of colors that will be used to color nicknames in group chats.'), True ],
		'ctrl_tab_go_to_next_composing': [opt_bool, True, _('Ctrl-Tab go to next composing tab when none is unread.')],
	}

	__options_per_key = {
		'accounts': ({
			'name': [ opt_str, '', '', True ],
			'hostname': [ opt_str, '', '', True ],
			'savepass': [ opt_bool, False ],
			'password': [ opt_str, '' ],
			'resource': [ opt_str, 'gajim', '', True ],
			'priority': [ opt_int, 5, '', True ],
			'adjust_priority_with_status': [ opt_bool, True, _('Priority will change automatically according to your status. Priorities are defined in autopriority_* options.') ],
			'autopriority_online': [ opt_int, 50],
			'autopriority_chat': [ opt_int, 50],
			'autopriority_away': [ opt_int, 40],
			'autopriority_xa': [ opt_int, 30],
			'autopriority_dnd': [ opt_int, 20],
			'autopriority_invisible': [ opt_int, 10],
			'autoconnect': [ opt_bool, False, '', True ],
			'autoreconnect': [ opt_bool, True ],
			'active': [ opt_bool, True],
			'proxy': [ opt_str, '', '', True ],
			'keyid': [ opt_str, '', '', True ],
			'keyname': [ opt_str, '', '', True ],
			'usessl': [ opt_bool, False, '', True ],
			'use_srv': [ opt_bool, True, '', True ],
			'use_custom_host': [ opt_bool, False, '', True ],
			'custom_port': [ opt_int, 5222, '', True ],
			'custom_host': [ opt_str, '', '', True ],
			'savegpgpass': [ opt_bool, False, '', True ],
			'gpgpassword': [ opt_str, '' ],
			'sync_with_global_status': [ opt_bool, False, ],
			'no_log_for': [ opt_str, '' ],
			'attached_gpg_keys': [ opt_str, '' ],
			'keep_alives_enabled': [ opt_bool, True],
			# send keepalive every N seconds of inactivity
			'keep_alive_every_foo_secs': [ opt_int, 55 ],
			# try for 2 minutes before giving up (aka. timeout after those seconds)
			'try_connecting_for_foo_secs': [ opt_int, 60 ],
			'http_auth': [opt_str, 'ask'], # yes, no, ask
			'dont_ack_subscription': [opt_bool, False, _('Jabberd2 workaround')],
			# proxy65 for FT
			'file_transfer_proxies': [opt_str, 
			'proxy.jabber.org, proxy.netlab.cz, transfer.jabber.freenet.de, proxy.jabber.cd.chalmers.se'],
			'use_ft_proxies': [opt_bool, True, _('If checked, Gajim will use your IP and proxies defined in file_transfer_proxies option for file transfer.'), True],
			'msgwin-x-position': [opt_int, -1], # Default is to let the wm decide
			'msgwin-y-position': [opt_int, -1], # Default is to let the wm decide
			'msgwin-width': [opt_int, 480],
			'msgwin-height': [opt_int, 440],
			'is_zeroconf': [opt_bool, False],
			'zeroconf_first_name': [ opt_str, '', '', True ],
			'zeroconf_last_name': [ opt_str, '', '', True ],
			'zeroconf_jabber_id': [ opt_str, '', '', True ],
			'zeroconf_email': [ opt_str, '', '', True ],
		}, {}),
		'statusmsg': ({
			'message': [ opt_str, '' ],
		}, {}),
		'defaultstatusmsg': ({
			'enabled': [ opt_bool, False ],
			'message': [ opt_str, '' ],
		}, {}),
		'soundevents': ({
			'enabled': [ opt_bool, True ],
			'path': [ opt_str, '' ],
		}, {}),
		'proxies': ({
			'type': [ opt_str, 'http' ],
			'host': [ opt_str, '' ],
			'port': [ opt_int, 3128 ],
			'user': [ opt_str, '' ],
			'pass': [ opt_str, '' ],
		}, {}),
		'themes': ({
			'accounttextcolor': [ opt_color, 'black', '', True ],
			'accountbgcolor': [ opt_color, 'white', '', True ],
			'accountfont': [ opt_str, '', '', True ],
			'accountfontattrs': [ opt_str, 'B', '', True ],
			'grouptextcolor': [ opt_color, 'black', '', True ],
			'groupbgcolor': [ opt_color, 'white', '', True ],
			'groupfont': [ opt_str, '', '', True ],
			'groupfontattrs': [ opt_str, 'I', '', True ],
			'contacttextcolor': [ opt_color, 'black', '', True ],
			'contactbgcolor': [ opt_color, 'white', '', True ],
			'contactfont': [ opt_str, '', '', True ],
			'contactfontattrs': [ opt_str, '', '', True ],
			'bannertextcolor': [ opt_color, 'black', '', True ],
			'bannerbgcolor': [ opt_color, '', '', True ],
			'bannerfont': [ opt_str, '', '', True ],
			'bannerfontattrs': [ opt_str, 'B', '', True ],
				
			# http://www.pitt.edu/~nisg/cis/web/cgi/rgb.html
			'state_inactive_color': [ opt_color, 'grey62' ],
			'state_composing_color': [ opt_color, 'green4' ],
			'state_paused_color': [ opt_color, 'mediumblue' ],
			'state_gone_color': [ opt_color, 'grey' ],

			# MUC chat states
			'state_muc_msg_color': [ opt_color, 'mediumblue' ],
			'state_muc_directed_msg_color': [ opt_color, 'red2' ],
		}, {}),
		'contacts': ({
			'gpg_enabled': [ opt_bool, True, _('Is OpenPGP enabled for this contact?')],
			'speller_language': [ opt_str, '', _('Language for which we want to check misspelled words')],
		}, {}),
		'rooms': ({
			'speller_language': [ opt_str, '', _('Language for which we want to check misspelled words')],
		}, {}),
		'notifications': ({
			'event': [opt_str, ''],
			'recipient_type': [opt_str, 'all'],
			'recipients': [opt_str, ''],
			'status': [opt_str, 'all', _('all or space separated status')],
			'tab_opened': [opt_str, 'both', _("'yes', 'no', or 'both'")],
			'sound': [opt_str, '', _("'yes', 'no' or ''")],
			'sound_file': [opt_str, ''],
			'popup': [opt_str, '', _("'yes', 'no' or ''")],
			'auto_open': [opt_str, '', _("'yes', 'no' or ''")],
			'run_command': [opt_bool, False],
			'command': [opt_str, ''],
			'systray': [opt_str, '', _("'yes', 'no' or ''")],
			'roster': [opt_str, '', _("'yes', 'no' or ''")],
			'urgency_hint': [opt_bool, False],
		}, {}),
	}

	statusmsg_default = {
		_('Sleeping'): 'ZZZZzzzzzZZZZZ',
		_('Back soon'): _('Back in some minutes.'),
		_('Eating'): _("I'm eating, so leave me a message."),
		_('Movie'): _("I'm watching a movie."),
		_('Working'): _("I'm working."),
		_('Phone'): _("I'm on the phone."),
		_('Out'): _("I'm out enjoying life."),
	}

	defaultstatusmsg_default = {
		'online': [ False, _("I'm available.") ],
		'chat': [ False, _("I'm free for chat.") ],
		'away': [ False, _('Be right back.') ],
		'xa': [ False, _("I'm not available.") ],
		'dnd': [ False, _('Do not disturb.') ],
		'invisible': [ False, _('Bye!') ],
		'offline': [ False, _('Bye!') ],
	}

	soundevents_default = {
		'first_message_received': [ True, '../data/sounds/message1.wav' ],
		'next_message_received': [ True, '../data/sounds/message2.wav' ],
		'contact_connected': [ True, '../data/sounds/connected.wav' ],
		'contact_disconnected': [ True, '../data/sounds/disconnected.wav' ],
		'message_sent': [ True, '../data/sounds/sent.wav' ],
		'muc_message_highlight': [ True, '../data/sounds/gc_message1.wav', _('Sound to play when a MUC message contains one of the words in muc_highlight_words, or when a MUC message contains your nickname.')],
		'muc_message_received': [ True, '../data/sounds/gc_message2.wav', _('Sound to play when any MUC message arrives. (This setting is taken into account only if notify_on_all_muc_messages is True)') ],
	}

	themes_default = {
		# sorted alphanum
		'gtk+': [ '', '', '', 'B', '', '','', 'I', '', '', '', '', '','', '',
			'B' ],

		_('green'): [ '', '#94aa8c', '', 'B', '#0000ff', '#eff3e7',
					'', 'I', '#000000', '', '', '', '',
					'#94aa8c', '', 'B' ],

		_('grocery'): [ '', '#6bbe18', '', 'B', '#12125a', '#ceefad',
					'', 'I', '#000000', '#efb26b', '', '', '',
					'#108abd', '', 'B' ],

		_('human'): [ '', '#996442', '', 'B', '#ab5920', '#e3ca94',
					'', 'I', '#000000', '', '', '', '',
					'#996442', '', 'B' ],

		_('marine'): [ '', '#918caa', '', 'B', '', '#e9e7f3',
					'', 'I', '#000000', '', '', '', '',
					'#918caa', '', 'B' ],

	}

	def foreach(self, cb, data = None):
		for opt in self.__options:
			cb(data, opt, None, self.__options[opt])
		for opt in self.__options_per_key:
			cb(data, opt, None, None)
			dict = self.__options_per_key[opt][1]
			for opt2 in dict.keys():
				cb(data, opt2, [opt], None)
				for opt3 in dict[opt2]:
					cb(data, opt3, [opt, opt2], dict[opt2][opt3])

	def is_valid_int(self, val):
		try:
			ival = int(val)
		except:
			return None
		return ival

	def is_valid_bool(self, val):
		if val == 'True':
			return True
		elif val == 'False':
			return False
		else:
			ival = self.is_valid_int(val)
			if ival:
				return True
			elif ival is None:
				return None
			return False
		return None

	def is_valid_string(self, val):
		return val

	def is_valid(self, type, val):
		if not type:
			return None
		if type[0] == 'boolean':
			return self.is_valid_bool(val)
		elif type[0] == 'integer':
			return self.is_valid_int(val)
		elif type[0] == 'string':
			return self.is_valid_string(val)
		else:
			if sre.match(type[1], val):
				return val
			else:
				return None

	def set(self, optname, value):
		if not self.__options.has_key(optname):
#			raise RuntimeError, 'option %s does not exist' % optname
			return
		opt = self.__options[optname]
		value = self.is_valid(opt[OPT_TYPE], value)
		if value is None:
#			raise RuntimeError, 'value of %s cannot be None' % optname
			return

		opt[OPT_VAL] = value

	def get(self, optname = None):
		if not optname:
			return self.__options.keys()
		if not self.__options.has_key(optname):
			return None
		return self.__options[optname][OPT_VAL]
		
	def get_desc(self, optname):
		if not self.__options.has_key(optname):
			return None
		if len(self.__options[optname]) > OPT_DESC:
			return self.__options[optname][OPT_DESC]

	def get_restart(self, optname):
		if not self.__options.has_key(optname):
			return None
		if len(self.__options[optname]) > OPT_RESTART:
			return self.__options[optname][OPT_RESTART]

	def add_per(self, typename, name): # per_group_of_option
		if not self.__options_per_key.has_key(typename):
#			raise RuntimeError, 'option %s does not exist' % typename
			return
		
		opt = self.__options_per_key[typename]
		if opt[1].has_key(name):
			# we already have added group name before
			return 'you already have added %s before' % name
		opt[1][name] = copy.deepcopy(opt[0])

	def del_per(self, typename, name, subname = None): # per_group_of_option
		if not self.__options_per_key.has_key(typename):
#			raise RuntimeError, 'option %s does not exist' % typename
			return

		opt = self.__options_per_key[typename]
		if subname is None:
			del opt[1][name]
		# if subname is specified, delete the item in the group.	
		elif opt[1][name].has_key(subname):
			del opt[1][name][subname]

	def set_per(self, optname, key, subname, value): # per_group_of_option
		if not self.__options_per_key.has_key(optname):
#			raise RuntimeError, 'option %s does not exist' % optname
			return
		dict = self.__options_per_key[optname][1]
		if not dict.has_key(key):
#			raise RuntimeError, '%s is not a key of %s' % (key, dict)
			return
		obj = dict[key]
		if not obj.has_key(subname):
#			raise RuntimeError, '%s is not a key of %s' % (subname, obj)
			return
		subobj = obj[subname]
		value = self.is_valid(subobj[OPT_TYPE], value)
		if value is None:
#			raise RuntimeError, '%s of %s cannot be None' % optname
			return
		subobj[OPT_VAL] = value

	def get_per(self, optname, key = None, subname = None): # per_group_of_option
		if not self.__options_per_key.has_key(optname):
			return None
		dict = self.__options_per_key[optname][1]
		if not key:
			return dict.keys()
		if not dict.has_key(key):
			return None
		obj = dict[key]
		if not subname:
			return obj
		if not obj.has_key(subname):
			return None
		return obj[subname][OPT_VAL]

	def get_desc_per(self, optname, key = None, subname = None):
		if not self.__options_per_key.has_key(optname):
			return None
		dict = self.__options_per_key[optname][1]
		if not key:
			return None
		if not dict.has_key(key):
			return None
		obj = dict[key]
		if not subname:
			return None
		if not obj.has_key(subname):
			return None
		if len(obj[subname]) > OPT_DESC:
			return obj[subname][OPT_DESC]
		return None

	def get_restart_per(self, optname, key = None, subname = None):
		if not self.__options_per_key.has_key(optname):
			return False
		dict = self.__options_per_key[optname][1]
		if not key:
			return False
		if not dict.has_key(key):
			return False
		obj = dict[key]
		if not subname:
			return False
		if not obj.has_key(subname):
			return False
		if len(obj[subname]) > OPT_RESTART:
			return obj[subname][OPT_RESTART]
		return False

	def __init__(self):
		#init default values
		for event in self.soundevents_default:
			default = self.soundevents_default[event]
			self.add_per('soundevents', event)
			self.set_per('soundevents', event, 'enabled', default[0])
			self.set_per('soundevents', event, 'path', default[1])

		for status in self.defaultstatusmsg_default:
			default = self.defaultstatusmsg_default[status]
			self.add_per('defaultstatusmsg', status)
			self.set_per('defaultstatusmsg', status, 'enabled', default[0])
			self.set_per('defaultstatusmsg', status, 'message', default[1])