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compile.php
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compile.php
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<?php
include dirname(__FILE__) . "/adminer/include/version.inc.php";
include dirname(__FILE__) . "/externals/jsmin-php/jsmin.php";
function add_apo_slashes($s) {
return addcslashes($s, "\\'");
}
function remove_lang($match) {
global $translations;
$idf = strtr($match[2], array("\\'" => "'", "\\\\" => "\\"));
$s = ($translations[$idf] ? $translations[$idf] : $idf);
if ($match[3] == ",") { // lang() has parameters
return "$match[1]" . (is_array($s) ? "lang(array('" . implode("', '", array_map('add_apo_slashes', $s)) . "')," : "sprintf('" . add_apo_slashes($s) . "',");
}
return ($match[1] && $match[4] ? $s : "$match[1]'" . add_apo_slashes($s) . "'$match[4]");
}
$lang_ids = array(); // global variable simplifies usage in a callback function
function lang_ids($match) {
global $lang_ids;
return 'lang(' . $lang_ids[stripslashes($match[1])] . $match[2];
}
function put_file($match) {
global $lang_ids;
if ($match[2] == './lang/$LANG.inc.php') {
if ($_COOKIE["adminer_lang"]) {
return "";
}
$return = "";
foreach (glob(dirname(__FILE__) . "/adminer/lang/*.inc.php") as $filename) {
// assign translation numbers
include $filename;
foreach ($translations as $key => $val) {
if (!isset($lang_ids[$key])) {
$lang_ids[$key] = count($lang_ids);
}
}
}
foreach (glob(dirname(__FILE__) . "/adminer/lang/*.inc.php") as $filename) {
include $filename; // reassign $translations
$translation_ids = array_flip($lang_ids);
foreach ($translations as $key => $val) {
$translation_ids[$lang_ids[$key]] = $val;
}
$return .= 'case "' . basename($filename, '.inc.php') . '": $translations = array(';
foreach ($translation_ids as $val) {
$return .= (is_array($val) ? "array('" . implode("', '", array_map('add_apo_slashes', $val)) . "')" : "'" . add_apo_slashes($val) . "'") . ", ";
}
$return = substr($return, 0, -2) . "); break;\n";
}
return "switch (\$LANG) {\n$return}\n";
}
$return = file_get_contents(dirname(__FILE__) . "/adminer/$match[2]");
if ($match[2] != "./include/lang.inc.php" || !$_COOKIE["adminer_lang"]) {
$tokens = token_get_all($return); // to find out the last token
return "?>\n$return" . (in_array($tokens[count($tokens) - 1][0], array(T_CLOSE_TAG, T_INLINE_HTML), true) ? "<?php" : "");
} elseif (preg_match('~\\s*(\\$pos = .*)~', $return, $match2)) {
// single language lang() is used for plural
return "function lang(\$translation, \$number) {\n\t" . str_replace('$LANG', "'$_COOKIE[adminer_lang]'", $match2[1]) . "\n\treturn sprintf(\$translation[\$pos], \$number);\n}\n";
} else {
echo "lang() not found\n";
}
}
function short_identifier($number, $chars) {
$return = '';
while ($number >= 0) {
$return .= $chars{$number % strlen($chars)};
$number = floor($number / strlen($chars)) - 1;
}
return $return;
}
// based on Dgx's PHP shrinker
function php_shrink($input) {
$special_variables = array_flip(array('$this', '$GLOBALS', '$_GET', '$_POST', '$_FILES', '$_COOKIE', '$_SESSION', '$_SERVER'));
static $short_variables = array();
static $short_functions = array();
$shortening = true;
$special_functions = array_flip(array('Min_DB', 'Min_Result', '__construct'));
$defined_functions = array();
$tokens = token_get_all($input);
foreach ($tokens as $i => $token) {
if ($token[0] === T_VARIABLE && !isset($special_variables[$token[1]])) {
$short_variables[$token[1]]++;
} elseif ($token[0] === T_STRING && $tokens[$i+1] === '(' && !isset($special_functions[$token[1]])) {
$short_functions[$token[1]]++;
if ($tokens[$i-2][0] === T_FUNCTION) {
$defined_functions[$token[1]] = true;
}
}
}
arsort($short_variables);
foreach (array_keys($short_variables) as $number => $key) {
$short_variables[$key] = short_identifier($number, implode("", range('a', 'z')) . '_' . implode("", range('A', 'Z'))); // could use also numbers and \x7f-\xff
}
arsort($short_functions);
$number = 0;
foreach ($short_functions as $key => $val) {
if (isset($defined_functions[$key])) {
do {
$short_functions[$key] = short_identifier($number, implode("", range('a', 'z'))); // _ not used to not collide with gettext()
$number++;
} while (isset($short_functions[$short_functions[$key]])); // don't overwrite existing functions
}
}
$set = array_flip(preg_split('//', '!"#$&\'()*+,-./:;<=>?@[\]^`{|}'));
$space = '';
$output = '';
$in_echo = false;
for (reset($tokens); list($i, $token) = each($tokens); ) {
if (!is_array($token)) {
$token = array(0, $token);
}
if ($token[0] == T_COMMENT || $token[0] == T_WHITESPACE) {
$space = "\n";
} else {
if ($token[0] == T_VAR) {
$shortening = false;
} elseif (!$shortening) {
if ($token[1] == ';') {
$shortening = true;
}
} elseif ($token[0] == T_ECHO) {
$in_echo = true;
} elseif ($token[1] == ';' && $in_echo) {
$in_echo = false;
if ($tokens[$i+1][0] === T_WHITESPACE && $tokens[$i+2][0] === T_ECHO) {
// join two consecutive echos
next($tokens);
next($tokens);
$token[1] = '.'; //! join ''.'' and "".""
}
} elseif ($token[0] === T_VARIABLE && !isset($special_variables[$token[1]])) {
$token[1] = '$' . $short_variables[$token[1]];
} elseif ($token[0] === T_STRING && $tokens[$i+1] === '(' && isset($defined_functions[$token[1]])
&& $tokens[$i-1][0] !== T_DOUBLE_COLON && $tokens[$i-2][0] !== T_NEW && $tokens[$i-2][1] !== '_result' // don't substitute parent methods - used to link PHP methods only
) {
$token[1] = $short_functions[$token[1]];
} elseif ($token[0] == T_CONSTANT_ENCAPSED_STRING
&& (($tokens[$i-1] === '(' && in_array($tokens[$i-2][1], array('array_map', 'set_exception_handler'), true)) || $token[1] == "'normalize_enum'")
&& isset($defined_functions[substr($token[1], 1, -1)])
) { // minify callback functions too
$token[1] = "'" . $short_functions[substr($token[1], 1, -1)] . "'";
}
if (isset($set[substr($output, -1)]) || isset($set[$token[1]{0}])) {
$space = '';
}
$output .= $space . $token[1];
$space = '';
}
}
return $output;
}
error_reporting(E_ALL & ~E_NOTICE);
if ($_SERVER["argc"] > 1) {
$_COOKIE["adminer_lang"] = $_SERVER["argv"][1]; // Adminer functions read language from cookie
include dirname(__FILE__) . "/adminer/include/lang.inc.php";
if ($_SERVER["argc"] != 2 || !isset($langs[$_COOKIE["adminer_lang"]])) {
echo "Usage: php compile.php [lang]\nPurpose: Compile adminer[-lang].php from index.php.\n";
exit(1);
}
include dirname(__FILE__) . "/adminer/lang/$_COOKIE[adminer_lang].inc.php";
}
$filename = "adminer" . ($_COOKIE["adminer_lang"] ? "-$_COOKIE[adminer_lang]" : "") . ".php";
$file = file_get_contents(dirname(__FILE__) . "/adminer/index.php");
$file = preg_replace('(' . str_replace(' ', '\\s*', preg_quote(' if (isset($_GET["coverage"])) { include "./coverage.inc.php"; }')) . ')', '', $file);
$file = preg_replace_callback('~\\b(include|require) "([^"]*)";~', 'put_file', $file);
$file = preg_replace("~if \\(isset\\(\\\$_SESSION\\[\"coverage.*\n}\n| && !isset\\(\\\$_SESSION\\[\"coverage\"\\]\\)~sU", '', $file);
if ($_COOKIE["adminer_lang"]) {
// single language version
$file = preg_replace_callback("~(<\\?php\\s*echo )?lang\\('((?:[^\\\\']+|\\\\.)*)'([,)])(;\\s*\\?>)?~s", 'remove_lang', $file);
$file = str_replace("<?php switch_lang(); ?>\n", "", $file);
$file = str_replace('<?php echo $LANG; ?>', $_COOKIE["adminer_lang"], $file);
} else {
$file = preg_replace_callback("~lang\\('((?:[^\\\\']+|\\\\.)*)'([,)])~s", 'lang_ids', $file);
}
$replace = 'htmlspecialchars(preg_replace("~\\\\\\\\?.*~", "", $_SERVER["REQUEST_URI"])) . "?file=\\0&version=' . $VERSION;
$file = preg_replace('~default\\.css|functions\\.js|favicon\\.ico~', '<?php echo ' . $replace . '"; ?>', $file);
$file = preg_replace('~(plus|cross|up|down|arrow)\\.gif~', '" . ' . $replace, $file);
$file = str_replace('error_reporting(E_ALL & ~E_NOTICE);', 'error_reporting(E_ALL & ~E_NOTICE);
if (isset($_GET["file"])) {
header("Expires: " . gmdate("D, d M Y H:i:s", time() + 365*24*60*60) . " GMT");
if ($_GET["file"] == "favicon.ico") {
header("Content-Type: image/x-icon");
echo base64_decode("' . base64_encode(file_get_contents(dirname(__FILE__) . "/adminer/favicon.ico")) . '");
} elseif ($_GET["file"] == "default.css") {
header("Content-Type: text/css");
?>' . preg_replace('~\\s*([:;{},])\\s*~', '\\1', file_get_contents(dirname(__FILE__) . "/adminer/default.css")) . '<?php
} elseif ($_GET["file"] == "functions.js") {
header("Content-Type: text/javascript");
?>' . JSMin::minify(file_get_contents(dirname(__FILE__) . "/adminer/functions.js")) . '<?php
} else {
header("Content-Type: image/gif");
switch ($_GET["file"]) {
case "arrow.gif": echo base64_decode("' . base64_encode(file_get_contents(dirname(__FILE__) . "/adminer/arrow.gif")) . '"); break;
case "up.gif": echo base64_decode("' . base64_encode(file_get_contents(dirname(__FILE__) . "/adminer/up.gif")) . '"); break;
case "down.gif": echo base64_decode("' . base64_encode(file_get_contents(dirname(__FILE__) . "/adminer/down.gif")) . '"); break;
case "plus.gif": echo base64_decode("' . base64_encode(file_get_contents(dirname(__FILE__) . "/adminer/plus.gif")) . '"); break;
case "cross.gif": echo base64_decode("' . base64_encode(file_get_contents(dirname(__FILE__) . "/adminer/cross.gif")) . '"); break;
}
}
exit;
}', $file); // integrate static files
$file = str_replace("../externals/jush/", "http://jush.sourceforge.net/", $file);
$file = preg_replace("~<\\?php\\s*\\?>\n?|\\?>\n?<\\?php~", '', $file);
$file = php_shrink($file);
fwrite(fopen($filename, "w"), $file); // file_put_contents() since PHP 5
echo "$filename created.\n";