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atlas.cpp
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/*
** Astrolog (Version 7.20) File: atlas.cpp
**
** IMPORTANT NOTICE: Astrolog and all chart display routines and anything
** not enumerated below used in this program are Copyright (C) 1991-2021 by
** Walter D. Pullen ([email protected], http://www.astrolog.org/astrolog.htm).
** Permission is granted to freely use, modify, and distribute these
** routines provided these credits and notices remain unmodified with any
** altered or distributed versions of the program.
**
** The main ephemeris databases and calculation routines are from the
** library SWISS EPHEMERIS and are programmed and copyright 1997-2008 by
** Astrodienst AG. The use of that source code is subject to the license for
** Swiss Ephemeris Free Edition, available at http://www.astro.com/swisseph.
** This copyright notice must not be changed or removed by any user of this
** program.
**
** Additional ephemeris databases and formulas are from the calculation
** routines in the program PLACALC and are programmed and Copyright (C)
** 1989,1991,1993 by Astrodienst AG and Alois Treindl ([email protected]). The
** use of that source code is subject to regulations made by Astrodienst
** Zurich, and the code is not in the public domain. This copyright notice
** must not be changed or removed by any user of this program.
**
** The original planetary calculation routines used in this program have
** been copyrighted and the initial core of this program was mostly a
** conversion to C of the routines created by James Neely as listed in
** 'Manual of Computer Programming for Astrologers', by Michael Erlewine,
** available from Matrix Software.
**
** Atlas composed using data from https://www.geonames.org/ licensed under a
** Creative Commons Attribution 4.0 License. Time zone changes composed using
** public domain TZ database: https://data.iana.org/time-zones/tz-link.html
**
** The PostScript code within the core graphics routines are programmed
** and Copyright (C) 1992-1993 by Brian D. Willoughby ([email protected]).
**
** More formally: 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; either version 2 of the
** License, or (at your option) any later version. This program is
** distributed in the hope that it will be useful and inspiring, 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, a copy of which is in the
** LICENSE.HTM file included with Astrolog, and at http://www.gnu.org
**
** Initial programming 8/28-30/1991.
** X Window graphics initially programmed 10/23-29/1991.
** PostScript graphics initially programmed 11/29-30/1992.
** Last code change made 4/11/2021.
*/
#include "astrolog.h"
#ifdef ATLAS
/*
******************************************************************************
** Atlas Tables.
******************************************************************************
*/
typedef struct _CountryOrRegionName {
char szAbb[3]; // Two letter abbreviation of location
char *szNam; // Full name of location
} CN;
// List of world country/regions
CONST CN rgcnew[icnewMax] = {
{"AD", "Andorra"},
{"AE", "United Arab Emirates"},
{"AF", "Afghanistan"},
{"AG", "Antigua and Barbuda"},
{"AI", "Anguilla"},
{"AL", "Albania"},
{"AM", "Armenia"},
{"AN", "Netherlands Antilles"},
{"AO", "Angola"},
{"AQ", "Antarctica"},
{"AR", "Argentina"},
{"AS", "American Samoa"},
{"AT", "Austria"},
{"AU", "Australia"},
{"AW", "Aruba"},
{"AX", "Aland Islands"},
{"AZ", "Azerbaijan"},
{"BA", "Bosnia and Herzegovina"},
{"BB", "Barbados"},
{"BD", "Bangladesh"},
{"BE", "Belgium"},
{"BF", "Burkina Faso"},
{"BG", "Bulgaria"},
{"BH", "Bahrain"},
{"BI", "Burundi"},
{"BJ", "Benin"},
{"BL", "Saint Barthelemy"},
{"BM", "Bermuda"},
{"BN", "Brunei"},
{"BO", "Bolivia"},
{"BQ", "Bonaire, Saint Eustatius and Saba "},
{"BR", "Brazil"},
{"BS", "Bahamas"},
{"BT", "Bhutan"},
{"BV", "Bouvet Island"},
{"BW", "Botswana"},
{"BY", "Belarus"},
{"BZ", "Belize"},
{"CA", "Canada"},
{"CC", "Cocos Islands"},
{"CD", "Democratic Republic of the Congo"},
{"CF", "Central African Republic"},
{"CG", "Republic of the Congo"},
{"CH", "Switzerland"},
{"CI", "Ivory Coast"},
{"CK", "Cook Islands"},
{"CL", "Chile"},
{"CM", "Cameroon"},
{"CN", "China"},
{"CO", "Colombia"},
{"CR", "Costa Rica"},
{"CS", "Serbia and Montenegro"},
{"CU", "Cuba"},
{"CV", "Cabo Verde"},
{"CW", "Curacao"},
{"CX", "Christmas Island"},
{"CY", "Cyprus"},
{"CZ", "Czechia"},
{"DE", "Germany"},
{"DJ", "Djibouti"},
{"DK", "Denmark"},
{"DM", "Dominica"},
{"DO", "Dominican Republic"},
{"DZ", "Algeria"},
{"EC", "Ecuador"},
{"EE", "Estonia"},
{"EG", "Egypt"},
{"EH", "Western Sahara"},
{"ER", "Eritrea"},
{"ES", "Spain"},
{"ET", "Ethiopia"},
{"FI", "Finland"},
{"FJ", "Fiji"},
{"FK", "Falkland Islands"},
{"FM", "Micronesia"},
{"FO", "Faroe Islands"},
{"FR", "France"},
{"GA", "Gabon"},
{"GB", "United Kingdom"},
{"GD", "Grenada"},
{"GE", "Georgia"},
{"GF", "French Guiana"},
{"GG", "Guernsey"},
{"GH", "Ghana"},
{"GI", "Gibraltar"},
{"GL", "Greenland"},
{"GM", "Gambia"},
{"GN", "Guinea"},
{"GP", "Guadeloupe"},
{"GQ", "Equatorial Guinea"},
{"GR", "Greece"},
{"GS", "South Georgia and the South Sandwich Islands"},
{"GT", "Guatemala"},
{"GU", "Guam"},
{"GW", "Guinea-Bissau"},
{"GY", "Guyana"},
{"HK", "Hong Kong"},
{"HM", "Heard Island and McDonald Islands"},
{"HN", "Honduras"},
{"HR", "Croatia"},
{"HT", "Haiti"},
{"HU", "Hungary"},
{"ID", "Indonesia"},
{"IE", "Ireland"},
{"IL", "Israel"},
{"IM", "Isle of Man"},
{"IN", "India"},
{"IO", "British Indian Ocean Territory"},
{"IQ", "Iraq"},
{"IR", "Iran"},
{"IS", "Iceland"},
{"IT", "Italy"},
{"JE", "Jersey"},
{"JM", "Jamaica"},
{"JO", "Jordan"},
{"JP", "Japan"},
{"KE", "Kenya"},
{"KG", "Kyrgyzstan"},
{"KH", "Cambodia"},
{"KI", "Kiribati"},
{"KM", "Comoros"},
{"KN", "Saint Kitts and Nevis"},
{"KP", "North Korea"},
{"KR", "South Korea"},
{"KW", "Kuwait"},
{"KY", "Cayman Islands"},
{"KZ", "Kazakhstan"},
{"LA", "Laos"},
{"LB", "Lebanon"},
{"LC", "Saint Lucia"},
{"LI", "Liechtenstein"},
{"LK", "Sri Lanka"},
{"LR", "Liberia"},
{"LS", "Lesotho"},
{"LT", "Lithuania"},
{"LU", "Luxembourg"},
{"LV", "Latvia"},
{"LY", "Libya"},
{"MA", "Morocco"},
{"MC", "Monaco"},
{"MD", "Moldova"},
{"ME", "Montenegro"},
{"MF", "Saint Martin"},
{"MG", "Madagascar"},
{"MH", "Marshall Islands"},
{"MK", "North Macedonia"},
{"ML", "Mali"},
{"MM", "Myanmar"},
{"MN", "Mongolia"},
{"MO", "Macao"},
{"MP", "Northern Mariana Islands"},
{"MQ", "Martinique"},
{"MR", "Mauritania"},
{"MS", "Montserrat"},
{"MT", "Malta"},
{"MU", "Mauritius"},
{"MV", "Maldives"},
{"MW", "Malawi"},
{"MX", "Mexico"},
{"MY", "Malaysia"},
{"MZ", "Mozambique"},
{"NA", "Namibia"},
{"NC", "New Caledonia"},
{"NE", "Niger"},
{"NF", "Norfolk Island"},
{"NG", "Nigeria"},
{"NI", "Nicaragua"},
{"NL", "Netherlands"},
{"NO", "Norway"},
{"NP", "Nepal"},
{"NR", "Nauru"},
{"NU", "Niue"},
{"NZ", "New Zealand"},
{"OM", "Oman"},
{"PA", "Panama"},
{"PE", "Peru"},
{"PF", "French Polynesia"},
{"PG", "Papua New Guinea"},
{"PH", "Philippines"},
{"PK", "Pakistan"},
{"PL", "Poland"},
{"PM", "Saint Pierre and Miquelon"},
{"PN", "Pitcairn"},
{"PR", "Puerto Rico"},
{"PS", "Palestinian Territory"},
{"PT", "Portugal"},
{"PW", "Palau"},
{"PY", "Paraguay"},
{"QA", "Qatar"},
{"RE", "Reunion"},
{"RO", "Romania"},
{"RS", "Serbia"},
{"RU", "Russia"},
{"RW", "Rwanda"},
{"SA", "Saudi Arabia"},
{"SB", "Solomon Islands"},
{"SC", "Seychelles"},
{"SD", "Sudan"},
{"SE", "Sweden"},
{"SG", "Singapore"},
{"SH", "Saint Helena"},
{"SI", "Slovenia"},
{"SJ", "Svalbard and Jan Mayen"},
{"SK", "Slovakia"},
{"SL", "Sierra Leone"},
{"SM", "San Marino"},
{"SN", "Senegal"},
{"SO", "Somalia"},
{"SR", "Suriname"},
{"SS", "South Sudan"},
{"ST", "Sao Tome and Principe"},
{"SV", "El Salvador"},
{"SX", "Sint Maarten"},
{"SY", "Syria"},
{"SZ", "Eswatini"},
{"TC", "Turks and Caicos Islands"},
{"TD", "Chad"},
{"TF", "French Southern Territories"},
{"TG", "Togo"},
{"TH", "Thailand"},
{"TJ", "Tajikistan"},
{"TK", "Tokelau"},
{"TL", "Timor Leste"},
{"TM", "Turkmenistan"},
{"TN", "Tunisia"},
{"TO", "Tonga"},
{"TR", "Turkey"},
{"TT", "Trinidad and Tobago"},
{"TV", "Tuvalu"},
{"TW", "Taiwan"},
{"TZ", "Tanzania"},
{"UA", "Ukraine"},
{"UG", "Uganda"},
{"UM", "United States Minor Outlying Islands"},
{"US", "United States"},
{"UY", "Uruguay"},
{"UZ", "Uzbekistan"},
{"VA", "Vatican"},
{"VC", "Saint Vincent and the Grenadines"},
{"VE", "Venezuela"},
{"VG", "British Virgin Islands"},
{"VI", "U.S. Virgin Islands"},
{"VN", "Vietnam"},
{"VU", "Vanuatu"},
{"WF", "Wallis and Futuna"},
{"WS", "Samoa"},
{"XK", "Kosovo"},
{"YE", "Yemen"},
{"YT", "Mayotte"},
{"ZA", "South Africa"},
{"ZM", "Zambia"},
{"ZW", "Zimbabwe"},
};
// List of USA states
CONST CN rgcnus[icnusMax] = {
{"AK", "Alaska"},
{"AL", "Alabama"},
{"AR", "Arkansas"},
{"AZ", "Arizona"},
{"CA", "California"},
{"CO", "Colorado"},
{"CT", "Connecticut"},
{"DC", "District of Columbia"},
{"DE", "Delaware"},
{"FL", "Florida"},
{"GA", "Georgia"},
{"HI", "Hawaii"},
{"IA", "Iowa"},
{"ID", "Idaho"},
{"IL", "Illinois"},
{"IN", "Indiana"},
{"KS", "Kansas"},
{"KY", "Kentucky"},
{"LA", "Louisiana"},
{"MA", "Massachusetts"},
{"MD", "Maryland"},
{"ME", "Maine"},
{"MI", "Michigan"},
{"MN", "Minnesota"},
{"MO", "Missouri"},
{"MS", "Mississippi"},
{"MT", "Montana"},
{"NC", "North Carolina"},
{"ND", "North Dakota"},
{"NE", "Nebraska"},
{"NH", "New Hampshire"},
{"NJ", "New Jersey"},
{"NM", "New Mexico"},
{"NV", "Nevada"},
{"NY", "New York"},
{"OH", "Ohio"},
{"OK", "Oklahoma"},
{"OR", "Oregon"},
{"PA", "Pennsylvania"},
{"RI", "Rhode Island"},
{"SC", "South Carolina"},
{"SD", "South Dakota"},
{"TN", "Tennessee"},
{"TX", "Texas"},
{"UT", "Utah"},
{"VA", "Virginia"},
{"VT", "Vermont"},
{"WA", "Washington"},
{"WI", "Wisconsin"},
{"WV", "West Virginia"},
{"WY", "Wyoming"},
};
// List of Canada provinces
CONST CN rgcnca[icncaMax] = {
{"AB", "Alberta"},
{"BC", "British Columbia"},
{"MB", "Manitoba"},
{"NB", "New Brunswick"},
{"NL", "Newfoundland and Labrador"},
{"NS", "Nova Scotia"},
{"NT", "Northwest Territories"},
{"NU", "Nunavut"},
{"ON", "Ontario"},
{"PE", "Prince Edward Island"},
{"QC", "Quebec"},
{"SK", "Saskatchewan"},
{"YT", "Yukon"},
};
// List of time zones
CONST char *rgszzn[iznMax] = {
"Africa/Abidjan",
"Africa/Accra",
"Africa/Addis_Ababa",
"Africa/Algiers",
"Africa/Asmara",
"Africa/Bamako",
"Africa/Bangui",
"Africa/Banjul",
"Africa/Bissau",
"Africa/Blantyre",
"Africa/Brazzaville",
"Africa/Bujumbura",
"Africa/Cairo",
"Africa/Casablanca",
"Africa/Ceuta",
"Africa/Conakry",
"Africa/Dakar",
"Africa/Dar_es_Salaam",
"Africa/Djibouti",
"Africa/Douala",
"Africa/El_Aaiun",
"Africa/Freetown",
"Africa/Gaborone",
"Africa/Harare",
"Africa/Johannesburg",
"Africa/Juba",
"Africa/Kampala",
"Africa/Khartoum",
"Africa/Kigali",
"Africa/Kinshasa",
"Africa/Lagos",
"Africa/Libreville",
"Africa/Lome",
"Africa/Luanda",
"Africa/Lubumbashi",
"Africa/Lusaka",
"Africa/Malabo",
"Africa/Maputo",
"Africa/Maseru",
"Africa/Mbabane",
"Africa/Mogadishu",
"Africa/Monrovia",
"Africa/Nairobi",
"Africa/Ndjamena",
"Africa/Niamey",
"Africa/Nouakchott",
"Africa/Ouagadougou",
"Africa/Porto-Novo",
"Africa/Sao_Tome",
"Africa/Tripoli",
"Africa/Tunis",
"Africa/Windhoek",
"America/Adak",
"America/Anchorage",
"America/Anguilla",
"America/Antigua",
"America/Araguaina",
"America/Argentina/Buenos_Aires",
"America/Argentina/Catamarca",
"America/Argentina/Cordoba",
"America/Argentina/Jujuy",
"America/Argentina/La_Rioja",
"America/Argentina/Mendoza",
"America/Argentina/Rio_Gallegos",
"America/Argentina/Salta",
"America/Argentina/San_Juan",
"America/Argentina/San_Luis",
"America/Argentina/Tucuman",
"America/Argentina/Ushuaia",
"America/Aruba",
"America/Asuncion",
"America/Atikokan",
"America/Bahia",
"America/Bahia_Banderas",
"America/Barbados",
"America/Belem",
"America/Belize",
"America/Blanc-Sablon",
"America/Boa_Vista",
"America/Bogota",
"America/Boise",
"America/Cambridge_Bay",
"America/Campo_Grande",
"America/Cancun",
"America/Caracas",
"America/Cayenne",
"America/Cayman",
"America/Chicago",
"America/Chihuahua",
"America/Costa_Rica",
"America/Creston",
"America/Cuiaba",
"America/Curacao",
"America/Danmarkshavn",
"America/Dawson",
"America/Dawson_Creek",
"America/Denver",
"America/Detroit",
"America/Dominica",
"America/Edmonton",
"America/Eirunepe",
"America/El_Salvador",
"America/Fort_Nelson",
"America/Fortaleza",
"America/Glace_Bay",
"America/Godthab",
"America/Goose_Bay",
"America/Grand_Turk",
"America/Grenada",
"America/Guadeloupe",
"America/Guatemala",
"America/Guayaquil",
"America/Guyana",
"America/Halifax",
"America/Havana",
"America/Hermosillo",
"America/Indiana/Indianapolis",
"America/Indiana/Knox",
"America/Indiana/Marengo",
"America/Indiana/Petersburg",
"America/Indiana/Tell_City",
"America/Indiana/Vevay",
"America/Indiana/Vincennes",
"America/Indiana/Winamac",
"America/Inuvik",
"America/Iqaluit",
"America/Jamaica",
"America/Juneau",
"America/Kentucky/Louisville",
"America/Kentucky/Monticello",
"America/Kralendijk",
"America/La_Paz",
"America/Lima",
"America/Los_Angeles",
"America/Lower_Princes",
"America/Maceio",
"America/Managua",
"America/Manaus",
"America/Marigot",
"America/Martinique",
"America/Matamoros",
"America/Mazatlan",
"America/Menominee",
"America/Merida",
"America/Metlakatla",
"America/Mexico_City",
"America/Miquelon",
"America/Moncton",
"America/Monterrey",
"America/Montevideo",
"America/Montserrat",
"America/Nassau",
"America/New_York",
"America/Nipigon",
"America/Nome",
"America/Noronha",
"America/North_Dakota/Beulah",
"America/North_Dakota/Center",
"America/North_Dakota/New_Salem",
"America/Ojinaga",
"America/Panama",
"America/Pangnirtung",
"America/Paramaribo",
"America/Phoenix",
"America/Port-au-Prince",
"America/Port_of_Spain",
"America/Porto_Velho",
"America/Puerto_Rico",
"America/Punta_Arenas",
"America/Rainy_River",
"America/Rankin_Inlet",
"America/Recife",
"America/Regina",
"America/Resolute",
"America/Rio_Branco",
"America/Santarem",
"America/Santiago",
"America/Santo_Domingo",
"America/Sao_Paulo",
"America/Scoresbysund",
"America/Sitka",
"America/St_Barthelemy",
"America/St_Johns",
"America/St_Kitts",
"America/St_Lucia",
"America/St_Thomas",
"America/St_Vincent",
"America/Swift_Current",
"America/Tegucigalpa",
"America/Thule",
"America/Thunder_Bay",
"America/Tijuana",
"America/Toronto",
"America/Tortola",
"America/Vancouver",
"America/Whitehorse",
"America/Winnipeg",
"America/Yakutat",
"America/Yellowknife",
"Antarctica/Casey",
"Antarctica/Davis",
"Antarctica/DumontDUrville",
"Antarctica/Macquarie",
"Antarctica/Mawson",
"Antarctica/McMurdo",
"Antarctica/Palmer",
"Antarctica/Rothera",
"Antarctica/Syowa",
"Antarctica/Troll",
"Antarctica/Vostok",
"Arctic/Longyearbyen",
"Asia/Aden",
"Asia/Almaty",
"Asia/Amman",
"Asia/Anadyr",
"Asia/Aqtau",
"Asia/Aqtobe",
"Asia/Ashgabat",
"Asia/Atyrau",
"Asia/Baghdad",
"Asia/Bahrain",
"Asia/Baku",
"Asia/Bangkok",
"Asia/Barnaul",
"Asia/Beirut",
"Asia/Bishkek",
"Asia/Brunei",
"Asia/Chita",
"Asia/Choibalsan",
"Asia/Colombo",
"Asia/Damascus",
"Asia/Dhaka",
"Asia/Dili",
"Asia/Dubai",
"Asia/Dushanbe",
"Asia/Famagusta",
"Asia/Gaza",
"Asia/Hebron",
"Asia/Ho_Chi_Minh",
"Asia/Hong_Kong",
"Asia/Hovd",
"Asia/Irkutsk",
"Asia/Jakarta",
"Asia/Jayapura",
"Asia/Jerusalem",
"Asia/Kabul",
"Asia/Kamchatka",
"Asia/Karachi",
"Asia/Kathmandu",
"Asia/Khandyga",
"Asia/Kolkata",
"Asia/Krasnoyarsk",
"Asia/Kuala_Lumpur",
"Asia/Kuching",
"Asia/Kuwait",
"Asia/Macau",
"Asia/Magadan",
"Asia/Makassar",
"Asia/Manila",
"Asia/Muscat",
"Asia/Nicosia",
"Asia/Novokuznetsk",
"Asia/Novosibirsk",
"Asia/Omsk",
"Asia/Oral",
"Asia/Phnom_Penh",
"Asia/Pontianak",
"Asia/Pyongyang",
"Asia/Qatar",
"Asia/Qostanay",
"Asia/Qyzylorda",
"Asia/Riyadh",
"Asia/Sakhalin",
"Asia/Samarkand",
"Asia/Seoul",
"Asia/Shanghai",
"Asia/Singapore",
"Asia/Srednekolymsk",
"Asia/Taipei",
"Asia/Tashkent",
"Asia/Tbilisi",
"Asia/Tehran",
"Asia/Thimphu",
"Asia/Tokyo",
"Asia/Tomsk",
"Asia/Ulaanbaatar",
"Asia/Urumqi",
"Asia/Ust-Nera",
"Asia/Vientiane",
"Asia/Vladivostok",
"Asia/Yakutsk",
"Asia/Yangon",
"Asia/Yekaterinburg",
"Asia/Yerevan",
"Atlantic/Azores",
"Atlantic/Bermuda",
"Atlantic/Canary",
"Atlantic/Cape_Verde",
"Atlantic/Faroe",
"Atlantic/Madeira",
"Atlantic/Reykjavik",
"Atlantic/South_Georgia",
"Atlantic/St_Helena",
"Atlantic/Stanley",
"Australia/Adelaide",
"Australia/Brisbane",
"Australia/Broken_Hill",
"Australia/Currie",
"Australia/Darwin",
"Australia/Eucla",
"Australia/Hobart",
"Australia/Lindeman",
"Australia/Lord_Howe",
"Australia/Melbourne",
"Australia/Perth",
"Australia/Sydney",
"Europe/Amsterdam",
"Europe/Andorra",
"Europe/Astrakhan",
"Europe/Athens",
"Europe/Belgrade",
"Europe/Berlin",
"Europe/Bratislava",
"Europe/Brussels",
"Europe/Bucharest",
"Europe/Budapest",
"Europe/Busingen",
"Europe/Chisinau",
"Europe/Copenhagen",
"Europe/Dublin",
"Europe/Gibraltar",
"Europe/Guernsey",
"Europe/Helsinki",
"Europe/Isle_of_Man",
"Europe/Istanbul",
"Europe/Jersey",
"Europe/Kaliningrad",
"Europe/Kiev",
"Europe/Kirov",
"Europe/Lisbon",
"Europe/Ljubljana",
"Europe/London",
"Europe/Luxembourg",
"Europe/Madrid",
"Europe/Malta",
"Europe/Mariehamn",
"Europe/Minsk",
"Europe/Monaco",
"Europe/Moscow",
"Europe/Oslo",
"Europe/Paris",
"Europe/Podgorica",
"Europe/Prague",
"Europe/Riga",
"Europe/Rome",
"Europe/Samara",
"Europe/San_Marino",
"Europe/Sarajevo",
"Europe/Saratov",
"Europe/Simferopol",
"Europe/Skopje",
"Europe/Sofia",
"Europe/Stockholm",
"Europe/Tallinn",
"Europe/Tirane",
"Europe/Ulyanovsk",
"Europe/Uzhgorod",
"Europe/Vaduz",
"Europe/Vatican",
"Europe/Vienna",
"Europe/Vilnius",
"Europe/Volgograd",
"Europe/Warsaw",
"Europe/Zagreb",
"Europe/Zaporozhye",
"Europe/Zurich",
"Indian/Antananarivo",
"Indian/Chagos",
"Indian/Christmas",
"Indian/Cocos",
"Indian/Comoro",
"Indian/Kerguelen",
"Indian/Mahe",
"Indian/Maldives",
"Indian/Mauritius",
"Indian/Mayotte",
"Indian/Reunion",
"Pacific/Apia",
"Pacific/Auckland",
"Pacific/Bougainville",
"Pacific/Chatham",
"Pacific/Chuuk",
"Pacific/Easter",
"Pacific/Efate",
"Pacific/Enderbury",
"Pacific/Fakaofo",
"Pacific/Fiji",
"Pacific/Funafuti",
"Pacific/Galapagos",
"Pacific/Gambier",
"Pacific/Guadalcanal",
"Pacific/Guam",
"Pacific/Honolulu",
"Pacific/Kiritimati",
"Pacific/Kosrae",
"Pacific/Kwajalein",
"Pacific/Majuro",
"Pacific/Marquesas",
"Pacific/Midway",
"Pacific/Nauru",
"Pacific/Niue",
"Pacific/Norfolk",
"Pacific/Noumea",
"Pacific/Pago_Pago",
"Pacific/Palau",
"Pacific/Pitcairn",
"Pacific/Pohnpei",
"Pacific/Port_Moresby",
"Pacific/Rarotonga",
"Pacific/Saipan",
"Pacific/Tahiti",
"Pacific/Tarawa",
"Pacific/Tongatapu",
"Pacific/Wake",
"Pacific/Wallis",
};
/*
******************************************************************************
** Atlas Procedures.
******************************************************************************
*/
// Compose a string to display a city. Include the country/region it lies in,
// along with the US state or Canada province, if in those countries.
char *SzCity(int iae)
{
static char szCity[cchSzMax];
CONST char *pchState;
int icn, istate;
icn = is.rgae[iae].icn;
istate = is.rgae[iae].istate;
pchState = istate < 0 ? "" :
(icn == icnUS ? rgcnus[istate].szAbb : rgcnca[istate].szAbb);
// Country US displays as "USA" instead of full name "United States"
sprintf(szCity, "%s, %s%s%s", is.rgae[iae].szNam, pchState,
*pchState ? ", " : "", icn == icnUS ? "USA" : rgcnew[icn].szNam);
return szCity;
}
// Lookup an abbreviation for a country/region or state/province in a list of
// abbreviations. Used when parsing city names which include them.
int ILookupCN(CONST char *szAbb, CONST CN *rgcn, int ccn)
{
int icn;
CONST char *pch;
if (CchSz(szAbb) != 2) // Abbreviations must be 2 letters long.
return -1;
for (icn = 0; icn < ccn; icn++) {
pch = rgcn[icn].szAbb;
if (ChCap(szAbb[0]) == pch[0] && ChCap(szAbb[1]) == pch[1])
return icn;
}
return -1;
}
// Load the atlas information file if it hasn't been loaded yet. Return
// whether loading has succeeded, i.e. whether city list is allocated.
flag FEnsureAtlas()
{
if (is.rgae != NULL)
return fTrue;
if (!FProcessSwitchFile(DEFAULT_ATLASFILE, NULL))
return fFalse;
return is.rgae != NULL;
}
// Load the time zone change information file if it hasn't been loaded yet.
// Return whether loading has succeeded, i.e. whether the necessary zone
// change and zone Daylight Saving rules arrays have been allocated.
flag FEnsureTimezoneChanges()
{
if (is.rgzc != NULL && is.rgrun != NULL && is.rgrue != NULL)
return fTrue;
if (!FProcessSwitchFile(DEFAULT_TIMECHANGE, NULL))
return fFalse;
return is.rgzc != NULL && is.rgrun != NULL && is.rgrue != NULL;
}
// Load atlas information from an open file, consisting of the specified
// number of city entries. Implements the -YY command switch.
flag FLoadAtlas(FILE *file, int cae)
{
char szLine[cchSzMax], szAbb[cchSzDef], *pch;
int i, j;
AtlasEntry *pae;
#ifdef DEBUG
// Ensure country/region list abbreviations are in sorted order
for (i = 0; i < icnewMax-1; i++)
Assert(NCompareSz(rgcnew[i].szAbb, rgcnew[i+1].szAbb) < 0);
for (i = 0; i < icnusMax-1; i++)
Assert(NCompareSz(rgcnus[i].szAbb, rgcnus[i+1].szAbb) < 0);
for (i = 0; i < icncaMax-1; i++)
Assert(NCompareSz(rgcnca[i].szAbb, rgcnca[i+1].szAbb) < 0);
for (i = 0; i < iznMax-1; i++)
Assert(NCompareSz(rgszzn[i], rgszzn[i+1]) < 0);
// Ensure certain countries are located where expected
Assert(NCompareSz(rgcnew[icnUS].szAbb, "US") == 0); // USA
Assert(NCompareSz(rgcnew[icnCA].szAbb, "CA") == 0); // Canada
Assert(NCompareSz(rgcnew[icnFR].szAbb, "FR") == 0); // France
#endif
// Free previous city list if present, and allocate new list.
is.cae = 0;
if (is.rgae != NULL) {
DeallocateP(is.rgae);
is.rgae = NULL;
}
is.rgae = RgAllocate(cae, AtlasEntry, "atlas");
if (is.rgae == NULL)
return fFalse;
for (i = 0; i < cae; i++) {
pae = &is.rgae[i];
fgets(szLine, cchSzMax, file);
// Parse location coordinates
sscanf(szLine, "%lf%lf", &pae->lon, &pae->lat);
for (pch = szLine, j = 0; j < 2; j++) {
while (*pch && *pch != '\t')
pch++;
if (*pch == '\t')
pch++;
}
// Parse country/region or state abbreviation
ClearB((pbyte)&szAbb, sizeof(szAbb));
szAbb[0] = *pch;
if (*pch)
szAbb[1] = *++pch;
while (*pch && *pch != '\t')
pch++;
if (*pch == '\t')
pch++;
if (FCapCh(szAbb[0])) {
pae->icn = ILookupCN(szAbb, rgcnew, icnewMax);
j = -1;
} else {
j = ILookupCN(szAbb, rgcnus, icnusMax);
if (j >= 0)
pae->icn = icnUS;
else {
j = ILookupCN(szAbb, rgcnca, icncaMax);
pae->icn = j >= 0 ? icnCA : -1;
}
}
pae->istate = j;
// Parse city name
for (j = 0; j < cchSzAtl-1 && pch[j] >= ' '; j++)
pae->szNam[j] = pch[j];
pae->szNam[j] = chNull;
if (pae->icn < 0) {
sprintf(szLine,
"Atlas error: City %d in unknown country/region: '%s'\n", i, szAbb);
PrintError(szLine);
return fFalse;
}
while (*pch && *pch != '\t')
pch++;
if (*pch == '\t')
pch++;
// Parse time zone name
if (*pch < ' ')
j = i > 0 ? pae[-1].izn : iznMax;
else {
for (j = 0; pch[j] >= ' '; j++)
;
pch[j] = chNull;
for (j = 0; j < iznMax; j++)
if (NCompareSz(pch, rgszzn[j]) == 0)
break;
}
if (j >= iznMax) {
sprintf(szLine,
"Atlas error: City %d in unknown time zone: '%s'\n", i, pch);
PrintError(szLine);
return fFalse;