Ysurac /
FlightAirMap
| Conditions | 66 |
| Paths | > 20000 |
| Total Lines | 273 |
| Code Lines | 155 |
| Lines | 0 |
| Ratio | 0 % |
| Changes | 0 | ||
Small methods make your code easier to understand, in particular if combined with a good name. Besides, if your method is small, finding a good name is usually much easier.
For example, if you find yourself adding comments to a method's body, this is usually a good sign to extract the commented part to a new method, and use the comment as a starting point when coming up with a good name for this new method.
Commonly applied refactorings include:
If many parameters/temporary variables are present:
| 1 | <?php |
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| 93 | public function parse($input) { |
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| 94 | global $globalDebug; |
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| 95 | $debug = false; |
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| 96 | $result = array(); |
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| 97 | $input_len = strlen($input); |
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| 98 | //$split_input = str_split($input); |
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| 99 | |||
| 100 | /* Find the end of header checking for NULL bytes while doing it. */ |
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| 101 | $splitpos = strpos($input,':'); |
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| 102 | |||
| 103 | /* Check that end was found and body has at least one byte. */ |
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| 104 | if ($splitpos == 0 || $splitpos + 1 == $input_len || $splitpos === FALSE) { |
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| 105 | if ($globalDebug) echo '!!! APRS invalid : '.$input."\n"; |
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| 106 | return false; |
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| 107 | } |
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| 108 | |||
| 109 | /* Save header and body. */ |
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| 110 | $body = substr($input,$splitpos+1,$input_len); |
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| 111 | $body_len = strlen($body); |
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| 112 | $header = substr($input,0,$splitpos); |
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| 113 | //$header_len = strlen($header); |
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| 114 | if ($debug) echo 'header : '.$header."\n"; |
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| 115 | |||
| 116 | /* Parse source, target and path. */ |
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| 117 | //FLRDF0A52>APRS,qAS,LSTB |
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| 118 | if (preg_match('/^([A-Z0-9\\-]{1,9})>(.*)$/',$header,$matches)) { |
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| 119 | $ident = $matches[1]; |
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| 120 | $all_elements = $matches[2]; |
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| 121 | if ($debug) echo 'ident : '.$ident."\n"; |
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| 122 | $result['ident'] = $ident; |
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| 123 | } else return false; |
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| 124 | $elements = explode(',',$all_elements); |
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| 125 | $source = end($elements); |
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| 126 | $result['source'] = $source; |
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| 127 | foreach ($elements as $element) { |
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| 128 | if (preg_match('/^([a-zA-Z0-9-]{1,9})([*]?)$/',$element)) { |
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| 129 | //echo "ok"; |
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| 130 | if ($element == 'TCPIP*') return false; |
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| 131 | } elseif (!preg_match('/^([0-9A-F]{32})$/',$element)) { |
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| 132 | return false; |
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| 133 | } |
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| 134 | /* |
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| 135 | } elseif (preg_match('/^([0-9A-F]{32})$/',$element)) { |
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| 136 | //echo "ok"; |
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| 137 | } else { |
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| 138 | return false; |
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| 139 | } |
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| 140 | */ |
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| 141 | } |
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| 142 | // Check for Timestamp |
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| 143 | $find = false; |
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| 144 | $body_parse = substr($body,1); |
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| 145 | //echo 'Body : '.$body."\n"; |
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| 146 | if (preg_match('/^;(.){9}\*/',$body,$matches)) { |
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| 147 | $body_parse = substr($body_parse,10); |
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| 148 | $find = true; |
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| 149 | //echo $body_parse."\n"; |
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| 150 | } |
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| 151 | if (preg_match('/^`(.*)\//',$body,$matches)) { |
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| 152 | $body_parse = substr($body_parse,strlen($matches[1])-1); |
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| 153 | $find = true; |
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| 154 | //echo $body_parse."\n"; |
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| 155 | } |
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| 156 | if (preg_match("/^'(.*)\//",$body,$matches)) { |
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| 157 | $body_parse = substr($body_parse,strlen($matches[1])-1); |
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| 158 | $find = true; |
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| 159 | //echo $body_parse."\n"; |
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| 160 | } |
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| 161 | if (preg_match('/^([0-9]{2})([0-9]{2})([0-9]{2})([zh\\/])/',$body_parse,$matches)) { |
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| 162 | $find = true; |
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| 163 | //print_r($matches); |
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| 164 | $timestamp = $matches[0]; |
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| 165 | if ($matches[4] == 'h') { |
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| 166 | $timestamp = strtotime($matches[1].':'.$matches[2].':'.$matches[3]); |
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| 167 | //echo 'timestamp : '.$timestamp.' - now : '.time()."\n"; |
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| 168 | /* |
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| 169 | if (time() + 3900 < $timestamp) $timestamp -= 86400; |
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| 170 | elseif (time() - 82500 > $timestamp) $timestamp += 86400; |
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| 171 | */ |
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| 172 | } elseif ($matches[4] == 'z' || $matches[4] == '/') { |
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| 173 | // This work or not ? |
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| 174 | $timestamp = strtotime(date('Ym').$matches[1].' '.$matches[2].':'.$matches[3]); |
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| 175 | } |
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| 176 | $body_parse = substr($body_parse,7); |
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| 177 | $result['timestamp'] = $timestamp; |
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| 178 | //echo date('Ymd H:i:s',$timestamp); |
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| 179 | } |
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| 180 | //if (strlen($body_parse) > 19) { |
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| 181 | if (preg_match('/^([0-9]{2})([0-7 ][0-9 ]\\.[0-9 ]{2})([NnSs])(.)([0-9]{3})([0-7 ][0-9 ]\\.[0-9 ]{2})([EeWw])(.)/',$body_parse,$matches)) { |
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| 182 | $find = true; |
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| 183 | // 4658.70N/00707.78Ez |
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| 184 | //print_r(str_split($body_parse)); |
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| 185 | |||
| 186 | //$latlon = $matches[0]; |
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| 187 | $sind = strtoupper($matches[3]); |
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| 188 | $wind = strtoupper($matches[7]); |
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| 189 | $lat_deg = $matches[1]; |
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| 190 | $lat_min = $matches[2]; |
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| 191 | $lon_deg = $matches[5]; |
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| 192 | $lon_min = $matches[6]; |
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| 193 | |||
| 194 | //$symbol_table = $matches[4]; |
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| 195 | $lat = intval($lat_deg); |
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| 196 | $lon = intval($lon_deg); |
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| 197 | if ($lat > 89 || $lon > 179) return false; |
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| 198 | |||
| 199 | /* |
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| 200 | $tmp_5b = str_replace('.','',$lat_min); |
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| 201 | if (preg_match('/^([0-9]{0,4})( {0,4})$/',$tmp_5b,$matches)) { |
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| 202 | print_r($matches); |
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| 203 | } |
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| 204 | */ |
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| 205 | $latitude = $lat + floatval($lat_min)/60; |
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| 206 | $longitude = $lon + floatval($lon_min)/60; |
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| 207 | if ($sind == 'S') $latitude = 0-$latitude; |
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| 208 | if ($wind == 'W') $longitude = 0-$longitude; |
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| 209 | $result['latitude'] = $latitude; |
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| 210 | $result['longitude'] = $longitude; |
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| 211 | $body_parse = substr($body_parse,18); |
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| 212 | $body_parse_len = strlen($body_parse); |
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| 213 | } |
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| 214 | if ($body_len > 0) { |
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| 215 | /* |
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| 216 | if (!isset($result['timestamp']) && !isset($result['latitude'])) { |
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| 217 | $body_split = str_split($body); |
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| 218 | $symbol_code = $body_split[0]; |
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| 219 | $body_parse = substr($body,1); |
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| 220 | $body_parse_len = strlen($body_parse); |
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| 221 | } else { |
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| 222 | */ |
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| 223 | /* |
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| 224 | if ($find === false) { |
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| 225 | $body_split = str_split($body); |
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| 226 | $symbol_code = $body_split[0]; |
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| 227 | $body_parse = substr($body,1); |
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| 228 | $body_parse_len = strlen($body_parse); |
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| 229 | } else { |
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| 230 | */ |
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| 231 | $body_split = str_split($body_parse); |
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| 232 | $symbol_code = $body_split[0]; |
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| 233 | $body_parse = substr($body_parse,1); |
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| 234 | $body_parse_len = strlen($body_parse); |
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| 235 | //} |
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| 236 | //echo $body_parse; |
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| 237 | $result['symbol_code'] = $symbol_code; |
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| 238 | if (isset($this->symbols[$symbol_code])) $result['symbol'] = $this->symbols[$symbol_code]; |
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| 239 | if ($symbol_code != '_') { |
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| 240 | //$body_parse = substr($body_parse,1); |
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| 241 | //$body_parse = trim($body_parse); |
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| 242 | //$body_parse_len = strlen($body_parse); |
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| 243 | if ($body_parse_len >= 7) { |
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| 244 | |||
| 245 | if (preg_match('/^([0-9\\. ]{3})\\/([0-9\\. ]{3})/',$body_parse)) { |
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| 246 | $course = substr($body_parse,0,3); |
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| 247 | $tmp_s = intval($course); |
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| 248 | if ($tmp_s >= 1 && $tmp_s <= 360) $result['heading'] = intval($course); |
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| 249 | $speed = substr($body_parse,4,3); |
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| 250 | $result['speed'] = round($speed*1.852); |
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| 251 | $body_parse = substr($body_parse,7); |
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| 252 | } |
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| 253 | // Check PHGR, PHG, RNG |
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| 254 | } |
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| 255 | /* |
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| 256 | else if ($body_parse_len > 0) { |
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| 257 | $rest = $body_parse; |
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| 258 | } |
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| 259 | */ |
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| 260 | if (strlen($body_parse) > 0) { |
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| 261 | if (preg_match('/\\/A=(-[0-9]{5}|[0-9]{6})/',$body_parse,$matches)) { |
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| 262 | $altitude = intval($matches[1]); |
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| 263 | //$result['altitude'] = round($altitude*0.3048); |
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| 264 | $result['altitude'] = $altitude; |
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| 265 | $body_parse = trim(substr($body_parse,strlen($matches[0]))); |
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| 266 | } |
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| 267 | } |
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| 268 | |||
| 269 | // Telemetry |
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| 270 | /* |
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| 271 | if (preg_match('/^([0-9]+),(-?)([0-9]{1,6}|[0-9]+\\.[0-9]+|\\.[0-9]+)?,(-?)([0-9]{1,6}|[0-9]+\\.[0-9]+|\\.[0-9]+)?,(-?)([0-9]{1,6}|[0-9]+\\.[0-9]+|\\.[0-9]+)?,(-?)([0-9]{1,6}|[0-9]+\\.[0-9]+|\\.[0-9]+)?,(-?)([0-9]{1,6}|[0-9]+\\.[0-9]+|\\.[0-9]+)?,([01]{0,8})/',$body_parse,$matches)) { |
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| 272 | // Nothing yet... |
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| 273 | } |
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| 274 | */ |
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| 275 | // DAO |
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| 276 | if (preg_match('/^!([0-9A-Z]{3})/',$body_parse,$matches)) { |
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| 277 | $dao = $matches[1]; |
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| 278 | if (preg_match('/^([A-Z])([0-9]{2})/',$dao)) { |
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| 279 | $dao_split = str_split($dao); |
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| 280 | $lat_off = (($dao_split[1])-48.0)*0.001/60.0; |
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| 281 | $lon_off = (($dao_split[2])-48.0)*0.001/60.0; |
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| 282 | |||
| 283 | if ($result['latitude'] < 0) $result['latitude'] -= $lat_off; |
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| 284 | else $result['latitude'] += $lat_off; |
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| 285 | if ($result['longitude'] < 0) $result['longitude'] -= $lon_off; |
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| 286 | else $result['longitude'] += $lon_off; |
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| 287 | } |
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| 288 | $body_parse = substr($body_parse,6); |
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| 289 | } |
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| 290 | |||
| 291 | // OGN comment |
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| 292 | // echo "Before OGN : ".$body_parse."\n"; |
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| 293 | if (preg_match('/^id([0-9A-F]{8}) ([+-])([0-9]{3,4})fpm ([+-])([0-9.]{3,4})rot (.*)$/',$body_parse,$matches)) { |
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| 294 | $id = $matches[1]; |
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| 295 | //$mode = substr($id,0,2); |
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| 296 | $address = substr($id,2); |
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| 297 | //print_r($matches); |
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| 298 | $addressType = (intval(substr($id,0,2),16))&3; |
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| 299 | if ($addressType == 0) $result['addresstype'] = "RANDOM"; |
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| 300 | elseif ($addressType == 1) $result['addresstype'] = "ICAO"; |
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| 301 | elseif ($addressType == 2) $result['addresstype'] = "FLARM"; |
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| 302 | elseif ($addressType == 3) $result['addresstype'] = "OGN"; |
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| 303 | $aircraftType = $this->urshift(((intval(substr($id,0,2),16)) & 0b1111100),2); |
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| 304 | $result['aircrafttype_code'] = $aircraftType; |
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| 305 | if ($aircraftType == 0) $result['aircrafttype'] = "UNKNOWN"; |
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| 306 | elseif ($aircraftType == 1) $result['aircrafttype'] = "GLIDER"; |
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| 307 | elseif ($aircraftType == 2) $result['aircrafttype'] = "TOW_PLANE"; |
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| 308 | elseif ($aircraftType == 3) $result['aircrafttype'] = "HELICOPTER_ROTORCRAFT"; |
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| 309 | elseif ($aircraftType == 4) $result['aircrafttype'] = "PARACHUTE"; |
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| 310 | elseif ($aircraftType == 5) $result['aircrafttype'] = "DROP_PLANE"; |
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| 311 | elseif ($aircraftType == 6) $result['aircrafttype'] = "HANG_GLIDER"; |
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| 312 | elseif ($aircraftType == 7) $result['aircrafttype'] = "PARA_GLIDER"; |
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| 313 | elseif ($aircraftType == 8) $result['aircrafttype'] = "POWERED_AIRCRAFT"; |
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| 314 | elseif ($aircraftType == 9) $result['aircrafttype'] = "JET_AIRCRAFT"; |
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| 315 | elseif ($aircraftType == 10) $result['aircrafttype'] = "UFO"; |
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| 316 | elseif ($aircraftType == 11) $result['aircrafttype'] = "BALLOON"; |
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| 317 | elseif ($aircraftType == 12) $result['aircrafttype'] = "AIRSHIP"; |
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| 318 | elseif ($aircraftType == 13) $result['aircrafttype'] = "UAV"; |
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| 319 | elseif ($aircraftType == 15) $result['aircrafttype'] = "STATIC_OBJECT"; |
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| 320 | $stealth = (intval(substr($id,0,2), 16) & 0b10000000) != 0; |
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| 321 | $result['stealth'] = $stealth; |
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| 322 | $result['address'] = $address; |
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| 323 | } |
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| 324 | |||
| 325 | //Comment |
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| 326 | $result['comment'] = trim($body_parse); |
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| 327 | } else { |
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| 328 | // parse weather |
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| 329 | //$body_parse = substr($body_parse,1); |
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| 330 | //$body_parse_len = strlen($body_parse); |
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| 331 | |||
| 332 | if (preg_match('/^_{0,1}([0-9 \\.\\-]{3})\\/([0-9 \\.]{3})g([0-9 \\.]+)t(-{0,1}[0-9 \\.]+)/',$body_parse,$matches)) { |
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| 333 | $result['wind_dir'] = intval($matches[1]); |
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| 334 | $result['wind_speed'] = round(intval($matches[2])*1.60934,1); |
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| 335 | $result['wind_gust'] = round(intval($matches[3])*1.60934,1); |
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| 336 | $result['temp'] = round(5/9*(($matches[4])-32),1); |
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| 337 | $body_parse = substr($body_parse,strlen($matches[0])+1); |
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| 338 | } elseif (preg_match('/^_{0,1}c([0-9 \\.\\-]{3})s([0-9 \\.]{3})g([0-9 \\.]+)t(-{0,1}[0-9 \\.]+)/',$body_parse,$matches)) { |
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| 339 | $result['wind_dir'] = intval($matches[1]); |
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| 340 | $result['wind_speed'] = round($matches[2]*1.60934,1); |
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| 341 | $result['wind_gust'] = round($matches[3]*1.60934,1); |
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| 342 | $result['temp'] = round(5/9*(($matches[4])-32),1); |
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| 343 | $body_parse = substr($body_parse,strlen($matches[0])+1); |
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| 344 | } elseif (preg_match('/^_{0,1}([0-9 \\.\\-]{3})\\/([0-9 \\.]{3})t(-{0,1}[0-9 \\.]+)/',$body_parse,$matches)) { |
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| 345 | $result['wind_dir'] = intval($matches[1]); |
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| 346 | $result['wind_speed'] = round($matches[2]*1.60934,1); |
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| 347 | $result['wind_gust'] = round($matches[3]*1.60934,1); |
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| 348 | $body_parse = substr($body_parse,strlen($matches[0])+1); |
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| 349 | } elseif (preg_match('/^_{0,1}([0-9 \\.\\-]{3})\\/([0-9 \\.]{3})g([0-9 \\.]+)/',$body_parse,$matches)) { |
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| 350 | $result['wind_dir'] = intval($matches[1]); |
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| 351 | $result['wind_speed'] = round($matches[2]*1.60934,1); |
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| 352 | $result['wind_gust'] = round($matches[3]*1.60934,1); |
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| 353 | $body_parse = substr($body_parse,strlen($matches[0])+1); |
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| 354 | } |
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| 355 | if (!isset($result['temp']) && strlen($body_parse) > 0 && preg_match('/^g([0-9]+)t(-?[0-9 \\.]{1,3})/',$body_parse,$matches)) { |
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| 356 | $result['temp'] = round(5/9*(($matches[1])-32),1); |
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| 357 | } |
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| 358 | } |
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| 359 | } |
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| 360 | //} |
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| 361 | if (isset($result['latitude'])) $result['latitude'] = round($result['latitude'],4); |
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| 362 | if (isset($result['longitude'])) $result['longitude'] = round($result['longitude'],4); |
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| 363 | //print_r($result); |
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| 364 | return $result; |
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| 365 | } |
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| 366 | } |
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| 371 | ?> |
Loading history...
This check looks for variable assignements that are either overwritten by other assignments or where the variable is not used subsequently.
Both the
$myVarassignment in line 1 and the$higherassignment in line 2 are dead. The first because$myVaris never used and the second because$higheris always overwritten for every possible time line.