MAINHACK

Viewing / Editing File: update-indices.php

<?php

include_once __DIR__ . '/bootstrap.php';

use WhichBrowser\Data\DeviceModels;
use ReverseRegex\Lexer;

$command = 'list';
$types = [];
$options = [];

array_shift($argv);

if (count($argv)) {
    foreach ($argv as $argument) {
        if (in_array($argument, [ 'list' ])) {
            $command = $argument;
        } elseif (substr($argument, 0, 2) == '--') {
            $options[] = substr($argument, 2);
        } else {
			$types[] = $argument;
        }
    }
}

if (in_array('all', $options)) {
	$types = [ 
		'android', 'asha', 'bada', 'brew', 'feature', 'firefoxos',
		'kddi', 'palmos', 's30plus', 's40', 'symbian', 'tizen',
		'touchwiz', 'wm', 'wp'
	];
}

foreach ($types as $i => $type) {
	command($command, $type);
}

function command($command, $type) {
	switch($command) {
		case 'list':
			command_list($type);
			break;
	}
}

function command_list($type) {
	echo "Creating index for 'data/models-{$type}.php'...\n";

require_once __DIR__ . '/../data/models-' . $type . '.php';

$name = strtoupper($type) . '_MODELS';
    $list = DeviceModels::$$name;

$index = [];

foreach ($list as $key => $value) {

if (substr($key, -2) == '!!') {
    		$keys = getKeysFromRegexp(substr($key, 0, -2));
    	}
    	elseif (substr($key, -1) == '!') {
    		$keys = getKeysFromRegexp(substr($key, 0, -1));
    	}
    	else {
    		$keys = [ substr(strtoupper($key), 0, 2) ];
    	}

foreach ($keys as $k => $v) {
			if ($v == '**') {
				$v = '';
			}

if (!isset($index['@'.$v])) {
				$index['@'.$v] = [];
			}

$index['@'.$v][] = $key;
		}
    }

ksort($index);

$file  = "<" . "?php\n";
    $file .= "\n";
    $file .= "namespace WhichBrowser\\Data;\n";
    $file .= "\n";
    $file .= "DeviceModels::\$" . strtoupper($type) . "_INDEX = " . var_export($index, true) . ";\n";

file_put_contents(__DIR__ . '/../data/indices/models-' . $type . '.php', $file);
}

function getKeysFromRegexp($regexp) {
	$lexer = new Lexer($regexp);
	$lexer->moveNext();

$keys = readKeysFromLexer($lexer);

return array_unique($keys);
}

function readKeysFromLexer($lexer) {
	$keys = [];

if ($lexer->isNextTokenAny([ Lexer::T_LITERAL_CHAR,Lexer::T_LITERAL_NUMERIC ])) {
		$current = strtoupper($lexer->lookahead['value']);

$lexer->moveNext();
		if ($lexer->isNextTokenAny([ Lexer::T_LITERAL_CHAR,Lexer::T_LITERAL_NUMERIC ])) {
			$keys[] = $current . strtoupper($lexer->lookahead['value']);
		}
		else {
			$keys[] = '**';
		}
	}

else if ($lexer->isNextToken(Lexer::T_GROUP_OPEN)) {
		$current = '';
		$active = true;

while ($lexer->moveNext()) {
			if ($lexer->isNextTokenAny([ Lexer::T_LITERAL_CHAR,Lexer::T_LITERAL_NUMERIC ])) {
				if ($active && strlen($current) < 2) {
					$current .= strtoupper($lexer->lookahead['value']);
				}
			}

else if ($lexer->isNextToken(Lexer::T_CHOICE_BAR)) {
				$keys[] = $current;
				$current = '';
				$active = true;
			}

else if ($lexer->isNextToken(Lexer::T_GROUP_OPEN)) {
				if ($lexer->moveNext()) {
					$more = readKeysFromLexer($lexer);

if (count($more)) {
						$keys = array_merge($keys, $more);
					} else {
						break;
					}
				}
			}

else if ($lexer->isNextToken(Lexer::T_GROUP_CLOSE)) {
				if (strlen($current) == 2) {
					$keys[] = $current;
				} else {
					$keys[] = '**';
				}

$current = '';
				$active = true;
				break;
			}

else if ($lexer->isNextToken(Lexer::T_DOT)) {
				$keys[] = '**';
				$current = '';
				$active = false;
				break;
			}

else {
				$active = false;
			}
		}

while ($lexer->moveNext()) {
			if ($lexer->isNextToken(Lexer::T_QUANTIFIER_QUESTION)) {
				if ($lexer->moveNext()) {
					$more = readKeysFromLexer($lexer);

if (count($more)) {
						$keys = array_merge($keys, $more);
					} else {
						break;
					}
				}
			}
			else {
				break;
			}
		}
	}

else if ($lexer->isNextToken(Lexer::T_SET_OPEN)) {
		$keys[] = '**';
	}

else if ($lexer->isNextToken(Lexer::T_DOT)) {
		$keys[] = '**';
	}

return array_unique($keys);
}

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