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📄 continents.subr(5.16 KB)
📄 countries.subr(3.72 KB)
📄 iso3166.subr(5.2 KB)
📄 menus.subr(6.96 KB)
📄 zones.subr(13.02 KB)

Editing: menus.subr

if [ ! "$_TIMEZONE_MENUS_SUBR" ]; then _TIMEZONE_MENUS_SUBR=1
#
# Copyright (c) 2011-2012 Devin Teske
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
# $FreeBSD$
#
############################################################ INCLUDES

BSDCFG_SHARE="/usr/share/bsdconfig"
. $BSDCFG_SHARE/common.subr || exit 1
f_dprintf "%s: loading includes..." timezone/menus.subr
f_include $BSDCFG_SHARE/dialog.subr

############################################################ GLOBALS

#
# Export special included variables required by awk(1) for `ENVIRON' visibility
#
export DIALOG_MENU_TAGS

############################################################ FUNCTIONS

# f_make_menus
#
# Creates the tag/item ordered-pair list environment variables for the
# continent and country menus.
#
# Required variables [from continents.subr]:
#
# 	CONTINENTS
# 		Space-separated list of continents.
# 	continent_*_title
# 		Desired menu text for the continent represented by *.
#
# Required variables [created by f_read_iso3166_table from iso3166.subr]:
#
# 	COUNTRIES
# 		Space-separated list of 2-character country codes.
# 	country_*_name :: when country_*_nzones < 0
# 		Desired menu text for the country-zone represented by *, the 2-
# 		character country code.
#
# Required variables [created by f_read_zones from zones.subr]:
#
# 	country_*_nzones
# 		Number of zones for the country represented by *, the 2-
# 		character country code. Should be -1 if the country has only
# 		one single zone, otherwise 1 or greater to indicate how many
# 		zones the country has.
# 	country_*_cont :: when country_*_nzones < 0
# 		Principal continent (or ocean) in which the country-zone
# 		represented by *, the 2-character country code, resides.
# 	country_*_cont_N :: when country_*_nzones > 0
# 		Principal continent (or ocean) in which zone-N of the country
# 		represented by * resides, the 2-character country code.
# 	country_*_descr_N :: when country_*_nzones > 0
# 		Desired submenu text for zone-N of the country represented by
# 		*, the 2-character country code.
#
# Variables created by this function:
#
# 	continent_menu_list
# 		Menu-list of continents.
# 	continent_*_nitems
# 		Number of items associated with the continent represented by *,
# 		the continent identifier.
# 	continent_*_tlc_N
# 		2-character country code of the Nth item in the continent menu
# 		for the continent represented by *, the continent identifier.
# 	continent_*_menu_list
# 		Menu-list of countries/zones for each continent represented by
# 		*, the continent identifier.
# 	country_*_menu_list
# 		For countries that have multiple zones, this is the submenu-
# 		list of zones for said country represented by *, the 2-
# 		character country code.
#
# This function is a two-parter. Below is the awk(1) portion of the function,
# afterward is the sh(1) function which utilizes the below awk script.
#
f_make_menus_awk='
function add_zone_n_to_country_menu(tlc, n)
{
	zone_title = ENVIRON["country_" tlc "_descr_" n]
	gsub(/'\''/, "'\''\\'\'\''", zone_title)
	country_menu_list[tlc] = country_menu_list[tlc] \
		( length(country_menu_list[tlc]) > 0 ? "\n" : "" ) \
		n " '\''" zone_title "'\''"
}
BEGIN {
	#
	# First, count up all the countries in each continent/ocean.
	# Be careful to count those countries which have multiple zones
	# only once for each.  NB: some countries are in multiple
	# continents/oceans.
	#
	i = split(ENVIRON["COUNTRIES"], countries, /[[:space:]]+/)
	for (cp = 1; cp <= i; cp++)
	{
		tlc = countries[cp]
		title = ENVIRON["country_" tlc "_name"]
		gsub(/'\''/, "'\''\\'\'\''", title)
		nzones = ENVIRON["country_" tlc "_nzones"]
		if (!nzones)
		{
			# Country has no zones
			continue
		}
		else if (nzones < 0)
		{
			# Country has only one zone
			cont = ENVIRON["country_" tlc "_cont"]
			nitems = ++continent_nitems[cont]
			continent_tlc[cont,nitems] = tlc
			continent_title[cont,nitems] = title
		}
		else
		{
			# Country has one or more zones
			for (n = 1; n <= nzones; n++)
			{
				add_zone_n_to_country_menu(tlc, n)
				cont = ENVIRON["country_" tlc "_cont_" n]
				for (x = 1; x < n; x++)
				{
					contx = ENVIRON["country_"tlc"_cont_"x]
					if (cont == contx) break
				}
				if (x == n)
				{
					nitems = ++continent_nitems[cont]
					continent_tlc[cont,nitems] = tlc
					continent_title[cont,nitems] = title
				}
			}
		}
	}
}
END {
	tags = ENVIRON["DIALOG_MENU_TAGS"]
	cont_menu_list = ""
	tagn = 0

#
	# Assemble the menu items in the menu list for each continent/ocean.
	#
	i = split(ENVIRON["CONTINENTS"], array, /[[:space:]]+/)
	for (item = 1; item <= i; item++)
	{
		cont = array[item]
		if (!cont) continue

if (++tagn >= length(tags)) break
		tag = substr(tags, tagn, 1)
		cont_menu_list = cont_menu_list \
			( length(cont_menu_list) > 0 ? "\n" : "" ) \
			"'\''" tag "'\'' '\''" \
			ENVIRON["continent_" cont "_title"] "'\''"

nitems = continent_nitems[cont]
		printf "continent_%s_nitems=%d\n", cont, nitems

menu_list = ""
		for (n = 1; n <= nitems; n++)
		{
			printf "continent_%s_tlc_%d=%s\n",
			       cont, n, continent_tlc[cont,n]

title = continent_title[cont,n]
			menu_list = menu_list \
				( length(menu_list) > 0 ? "\n" : "" ) \
				n " '\''" title "'\''"
		}

gsub(/"/, "\\\"", menu_list)
		printf "continent_%s_menu_list=\"%s\"\n", cont, menu_list
	}

gsub(/"/, "\\\"", continent_menu_list)
	printf "continent_menu_list=\"%s\"\n", cont_menu_list
	print "export continent_menu_list"

#
	# Dump the submenus of countries with multiple zones
	#
	for (tlc in country_menu_list)
	{
		menu_list = country_menu_list[tlc]
		gsub(/"/, "\\\"", menu_list)
		printf "country_%s_menu_list=\"%s\"\n", tlc, menu_list
	}
}
'
f_make_menus()
{
	eval $( :| awk "$f_make_menus_awk" )
}

############################################################ MAIN

f_dprintf "%s: Successfully loaded." timezone/menus.subr

fi # ! $_TIMEZONE_MENUS_SUBR

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Editing: menus.subr

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