Cloudlog/src/Dxcc/Dxcc.php

271 wiersze
10 KiB
PHP

<?php
namespace Cloudlog\Dxcc;
class Dxcc {
protected $dxcc = array();
protected $dxccexceptions = array();
function __construct($date)
{
$this->read_data($date);
}
public function dxcc_lookup($call, $date) {
$csadditions = '/^P$|^R$|^A$|^M$/';
$CI =& get_instance();
if (array_key_exists($call, $this->dxccexceptions)) {
return $this->dxccexceptions[$call];
} else {
if (preg_match('/(^KG4)[A-Z09]{3}/', $call)) { // KG4/ and KG4 5 char calls are Guantanamo Bay. If 4 or 6 char, it is USA
$call = "K";
} elseif (preg_match('/(^OH\/)|(\/OH[1-9]?$)/', $call)) { # non-Aland prefix!
$call = "OH"; # make callsign OH = finland
} elseif (preg_match('/(^CX\/)|(\/CX[1-9]?$)/', $call)) { # non-Antarctica prefix!
$call = "CX"; # make callsign CX = Uruguay
} elseif (preg_match('/(^3D2R)|(^3D2.+\/R)/', $call)) { # seems to be from Rotuma
$call = "3D2/R"; # will match with Rotuma
} elseif (preg_match('/^3D2C/', $call)) { # seems to be from Conway Reef
$call = "3D2/C"; # will match with Conway
} elseif (preg_match('/(^LZ\/)|(\/LZ[1-9]?$)/', $call)) { # LZ/ is LZ0 by DXCC but this is VP8h
$call = "LZ";
} elseif (preg_match('/(^KG4)[A-Z09]{2}/', $call)) {
$call = "KG4";
} elseif (preg_match('/(^KG4)[A-Z09]{1}/', $call)) {
$call = "K";
} elseif (preg_match('/\w\/\w/', $call)) {
if (preg_match_all('/^((\d|[A-Z])+\/)?((\d|[A-Z]){3,})(\/(\d|[A-Z])+)?(\/(\d|[A-Z])+)?$/', $call, $matches)) {
$prefix = $matches[1][0];
$callsign = $matches[3][0];
$suffix = $matches[5][0];
if ($prefix) {
$prefix = substr($prefix, 0, -1); # Remove the / at the end
}
if ($suffix) {
$suffix = substr($suffix, 1); # Remove the / at the beginning
};
if (preg_match($csadditions, $suffix)) {
if ($prefix) {
$call = $prefix;
} else {
$call = $callsign;
}
} else {
$result = $this->wpx($call, 1); # use the wpx prefix instead
if ($result == '') {
$row['adif'] = 0;
$row['entity'] = '- NONE -';
$row['cqz'] = 0;
$row['long'] = '0';
$row['lat'] = '0';
return $row;
} else {
$call = $result . "AA";
}
}
}
}
$len = strlen($call);
// query the table, removing a character from the right until a match
for ($i = $len; $i > 0; $i--){
$result = '';
if (array_key_exists(substr($call, 0, $i), $this->dxcc)) {
return $this->dxcc[substr($call, 0, $i)];
}
}
}
return array("Not Found", "Not Found");
}
function wpx($testcall, $i) {
$prefix = '';
$a = '';
$b = '';
$c = '';
$lidadditions = '/^QRP$|^LGT$/';
$csadditions = '/^P$|^R$|^A$|^M$|^LH$/';
$noneadditions = '/^MM$|^AM$/';
# First check if the call is in the proper format, A/B/C where A and C
# are optional (prefix of guest country and P, MM, AM etc) and B is the
# callsign. Only letters, figures and "/" is accepted, no further check if the
# callsign "makes sense".
# 23.Apr.06: Added another "/X" to the regex, for calls like RV0AL/0/P
# as used by RDA-DXpeditions....
if (preg_match_all('/^((\d|[A-Z])+\/)?((\d|[A-Z]){3,})(\/(\d|[A-Z])+)?(\/(\d|[A-Z])+)?$/', $testcall, $matches)) {
# Now $1 holds A (incl /), $3 holds the callsign B and $5 has C
# We save them to $a, $b and $c respectively to ensure they won't get
# lost in further Regex evaluations.
$a = $matches[1][0];
$b = $matches[3][0];
$c = $matches[5][0];
if ($a) {
$a = substr($a, 0, -1); # Remove the / at the end
}
if ($c) {
$c = substr($c, 1); # Remove the / at the beginning
};
# In some cases when there is no part A but B and C, and C is longer than 2
# letters, it happens that $a and $b get the values that $b and $c should
# have. This often happens with liddish callsign-additions like /QRP and
# /LGT, but also with calls like DJ1YFK/KP5. ~/.yfklog has a line called
# "lidadditions", which has QRP and LGT as defaults. This sorts out half of
# the problem, but not calls like DJ1YFK/KH5. This is tested in a second
# try: $a looks like a call (.\d[A-Z]) and $b doesn't (.\d), they are
# swapped. This still does not properly handle calls like DJ1YFK/KH7K where
# only the OP's experience says that it's DJ1YFK on KH7K.
if (!$c && $a && $b) { # $a and $b exist, no $c
if (preg_match($lidadditions, $b)) { # check if $b is a lid-addition
$b = $a;
$a = null; # $a goes to $b, delete lid-add
} elseif ((preg_match('/\d[A-Z]+$/', $a)) && (preg_match('/\d$/', $b))) { # check for call in $a
$temp = $b;
$b = $a;
$a = $temp;
}
}
# *** Added later *** The check didn't make sure that the callsign
# contains a letter. there are letter-only callsigns like RAEM, but not
# figure-only calls.
if (preg_match('/^[0-9]+$/', $b)) { # Callsign only consists of numbers. Bad!
return null; # exit, undef
}
# Depending on these values we have to determine the prefix.
# Following cases are possible:
#
# 1. $a and $c undef --> only callsign, subcases
# 1.1 $b contains a number -> everything from start to number
# 1.2 $b contains no number -> first two letters plus 0
# 2. $a undef, subcases:
# 2.1 $c is only a number -> $a with changed number
# 2.2 $c is /P,/M,/MM,/AM -> 1.
# 2.3 $c is something else and will be interpreted as a Prefix
# 3. $a is defined, will be taken as PFX, regardless of $c
if (($a == null) && ($c == null)) { # Case 1
if (preg_match('/\d/', $b)) { # Case 1.1, contains number
preg_match('/(.+\d)[A-Z]*/', $b, $matches); # Prefix is all but the last
$prefix = $matches[1]; # Letters
} else { # Case 1.2, no number
$prefix = substr($b, 0, 2) . "0"; # first two + 0
}
} elseif (($a == null) && (isset($c))) { # Case 2, CALL/X
if (preg_match('/^(\d)/', $c)) { # Case 2.1, number
preg_match('/(.+\d)[A-Z]*/', $b, $matches); # regular Prefix in $1
# Here we need to find out how many digits there are in the
# prefix, because for example A45XR/0 is A40. If there are 2
# numbers, the first is not deleted. If course in exotic cases
# like N66A/7 -> N7 this brings the wrong result of N67, but I
# think that's rather irrelevant cos such calls rarely appear
# and if they do, it's very unlikely for them to have a number
# attached. You can still edit it by hand anyway..
if (preg_match('/^([A-Z]\d)\d$/', $matches[1])) { # e.g. A45 $c = 0
$prefix = $matches[1] . $c; # -> A40
} else { # Otherwise cut all numbers
preg_match('/(.*[A-Z])\d+/', $matches[1], $match); # Prefix w/o number in $1
$prefix = $match[1] . $c; # Add attached number
}
} elseif (preg_match($csadditions, $c)) {
preg_match('/(.+\d)[A-Z]*/', $b, $matches); # Known attachment -> like Case 1.1
$prefix = $matches[1];
} elseif (preg_match($noneadditions, $c)) {
return '';
} elseif (preg_match('/^\d\d+$/', $c)) { # more than 2 numbers -> ignore
preg_match('/(.+\d)[A-Z]* /', $b, $matches); # see above
$prefix = $matches[1][0];
} else { # Must be a Prefix!
if (preg_match('/\d$/', $c)) { # ends in number -> good prefix
$prefix = $c;
} else { # Add Zero at the end
$prefix = $c . "0";
}
}
} elseif (($a) && (preg_match($noneadditions, $c))) { # Case 2.1, X/CALL/X ie TF/DL2NWK/MM - DXCC none
return '';
} elseif ($a) {
# $a contains the prefix we want
if (preg_match('/\d$/', $a)) { # ends in number -> good prefix
$prefix = $a;
} else { # add zero if no number
$prefix = $a . "0";
}
}
# In very rare cases (right now I can only think of KH5K and KH7K and FRxG/T
# etc), the prefix is wrong, for example KH5K/DJ1YFK would be KH5K0. In this
# case, the superfluous part will be cropped. Since this, however, changes the
# DXCC of the prefix, this will NOT happen when invoked from with an
# extra parameter $_[1]; this will happen when invoking it from &dxcc.
if (preg_match('/(\w+\d)[A-Z]+\d/', $prefix, $matches) && $i == null) {
$prefix = $matches[1][0];
}
return $prefix;
} else {
return '';
}
}
/*
* Read cty.dat from AD1C
*/
function read_data($date) {
$CI =& get_instance();
$dxcc_exceptions = $CI->db->select('`entity`, `adif`, `cqz`, `start`, `end`, `call`, `cont`, `long`, `lat`')
->where('(start <= ', $date)
->or_where('start is null)', NULL, false)
->where('(end >= ', $date)
->or_where('end is null)', NULL, false)
->get('dxcc_exceptions');
if ($dxcc_exceptions->num_rows() > 0){
foreach ($dxcc_exceptions->result() as $dxcce) {
$this->dxccexceptions[$dxcce->call]['adif'] = $dxcce->adif;
$this->dxccexceptions[$dxcce->call]['cont'] = $dxcce->cont;
$this->dxccexceptions[$dxcce->call]['entity'] = $dxcce->entity;
$this->dxccexceptions[$dxcce->call]['cqz'] = $dxcce->cqz;
$this->dxccexceptions[$dxcce->call]['start'] = $dxcce->start;
$this->dxccexceptions[$dxcce->call]['end'] = $dxcce->end;
$this->dxccexceptions[$dxcce->call]['long'] = $dxcce->long;
$this->dxccexceptions[$dxcce->call]['lat'] = $dxcce->lat;
}
}
$dxcc_result = $CI->db->select('*')
->where('(start <= ', $date)
->or_where("start is null)", NULL, false)
->where('(end >= ', $date)
->or_where("end is null)", NULL, false)
->get('dxcc_prefixes');
if ($dxcc_result->num_rows() > 0){
foreach ($dxcc_result->result() as $dx) {
$this->dxcc[$dx->call]['adif'] = $dx->adif;
$this->dxcc[$dx->call]['cont'] = $dx->cont;
$this->dxcc[$dx->call]['entity'] = $dx->entity;
$this->dxcc[$dx->call]['cqz'] = $dx->cqz;
$this->dxcc[$dx->call]['start'] = $dx->start;
$this->dxcc[$dx->call]['end'] = $dx->end;
$this->dxcc[$dx->call]['long'] = $dx->long;
$this->dxcc[$dx->call]['lat'] = $dx->lat;
}
}
}
}