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