function Compress($script, $constantsProcessor)
{
// Concatenates all string with escaping new lines strings (ending with \).
$script = preg_replace('/\\\\[\\n\\r]+/s', '\\n', $script);
$stringsProc = new FCKStringsProcessor();
// Protect the script strings.
$script = $stringsProc->ProtectStrings($script);
// Remove "/* */" comments
$script = preg_replace('/(?<!\\/)\\/\\*.*?\\*\\//s', '', $script);
// Remove "//" comments
$script = preg_replace('/\\/\\/.*$/m', '', $script);
// Remove spaces before the ";" at the end of the lines
$script = preg_replace('/\\s*(?=;\\s*$)/m', '', $script);
// Remove spaces next to "="
$script = preg_replace('/^([^"\'\\r\\n]*?)\\s*=\\s*/m', '$1=', $script);
// Remove spaces on "()": "( content )" = "(content)"
$script = preg_replace('/^([^\\r\\n""\']*?\\()\\s+(.*?)\\s+(?=\\)[^\\)]*$)/m', '$1$2', $script);
// Concatenate lines that doesn't end with [;{}] using a space
$script = preg_replace('/(?<![;{}\\n\\r\\s])\\s*[\\n\\r]+\\s*(?![\\s\\n\\r{}])/s', ' ', $script);
// Concatenate lines that end with "}" using a ";", except for "else",
// "while", "catch" and "finally" cases, or when followed by, "'", ";",
// "}" or ")".
$script = preg_replace('/\\s*}\\s*[\\n\\r]+\\s*(?!\\s*(else|catch|finally|while|[}\\),;]))/s', '};', $script);
// Remove blank lines, spaces at the begining or the at the end and \n\r
$script = preg_replace('/(^\\s*$)|(^\\s+)|(\\s+$\\n)/m', '', $script);
// Remove the spaces between statements.
$script = FCKJavaScriptCompressor::_RemoveInnerSpaces($script);
// Process constants. // CHECK
if ($constantsProcessor->HasConstants) {
$script = $constantsProcessor->Process($script);
}
// Replace "new Object()".
$script = preg_replace('/new Object\\(\\)/', '{}', $script);
// Replace "new Array()".
$script = preg_replace('/new Array\\(\\)/', '[]', $script);
// Process function contents, renaming parameters and variables.
$script = FCKJavaScriptCompressor::_ProcessFunctions($script);
// Join consecutive string concatened with a "+".
$script = $stringsProc->ConcatProtectedStrings($script);
// Restore the protected script strings.
$script = $stringsProc->RestoreStrings($script);
return $script;
}
function Compress($script, $constantsProcessor = null, $params = array('variable' => 1, 'space' => 1))
{
// detect cr and replace it with "\n"
preg_match('/(\\r\\n|\\r|\\n)/s', $script, $cr);
if (!empty($cr[0]) and $cr[0] != "\n") {
$script = strtr($script, $cr[0], "\n");
//$script = str_replace($cr[0],"\n",$script);
}
// Concatenates all string with escaping new lines strings (ending with \).
$script = preg_replace('/\\\\\\n+/s', '\\n', $script);
$stringsProc = new FCKStringsProcessor();
// Protect the script strings.
// buggy XXX
$script = $stringsProc->ProtectStrings($script);
// Remove "/* */" "//" comments
$script = preg_replace(array('/(?<!\\/)\\/\\*.*?\\*\\//s', '/\\/\\/.*$/m'), array('', ''), $script);
// Remove spaces before the ";" at the end of the lines
//$script = preg_replace(
// '/\s*(?=;\s*$)/m',
// '', $script ) ;
// Remove spaces next to "="
//$script = preg_replace(
// '/^([^"\'\r\n]*?)\s*=\s*/m',
// '$1=', $script ) ;
// Remove spaces on "()": "( content )" = "(content)"
//$script = preg_replace(
// '/^([^\r\n""\']*?\()\s+(.*?)\s+(?=\)[^\)]*$)/m',
// '$1$2', $script ) ;
// Concatenate lines that doesn't end with [;{}] using a space
if (!empty($params['space'])) {
$script = preg_replace('/(?<![;{}\\n\\s])\\s*\\n+\\s*(?![\\s\\n{}])/s', ' ', $script);
}
// Concatenate lines that end with "}" using a "\n", except for "else",
// "while", "catch" and "finally" cases, or when followed by, "'", ";",
// "}", ")" or "]".
///$script = preg_replace(
/// '/\s*}\s*\n+\s*(?!\s*(else|catch|finally|while|[\]}\),;]))/s',
/// "}\n", $script ) ;
## not needed ## XXX
// Concat lines that end with ";" or "{"
// $script = preg_replace('/\s*([;{])\s*[\n\r]+\s*/s','\\1', $script ) ;
$script = preg_replace('/\\s*([;{])\\s*/s', '\\1', $script);
## $script = preg_replace('/\s*([;{}])\s*/s','\\1', $script ) ; // shorter
// Remove blank lines, spaces at the begining or the at the end and \n\r
$script = preg_replace('/(^\\s*$)|(^\\s+)/m', '', $script);
// Remove the spaces between statements.
//$script = FCKJavaScriptCompressor::_RemoveInnerSpaces( $script ) ;
# error with mootools
// Process constants. // CHECK
if (is_object($constantsProcessor) and $constantsProcessor->HasConstants) {
$script = $constantsProcessor->Process($script);
}
// Replace "new Object()" "new Array()".
$script = preg_replace(array('/new\\s+Object\\(\\)/', '/new\\s+Array\\(\\)/'), array('{}', '[]'), $script);
if (!empty($params['space'])) {
$delim = '([+\\-])|([:=?*\\/&,;><|!{}\\[\\]\\(\\)])';
// space + delim + space => delim, except a++ +b
$script = preg_replace('/[ ]*(' . $delim . ')[ ]*(?(2)(?![+\\-]))/', '\\1', $script);
} else {
// only some spaces are removed: ' : '=> ':', ' = '=> '='
$script = preg_replace('/[ ]*([:=])[ ]*/', '\\1', $script);
}
// workaround for a = (b) ? c:d; case. c is not a object menber.
$script = preg_replace('/(?<=\\?)([^:]+):/', '\\1 :', $script);
// Process function contents, renaming parameters and variables.
if (!empty($params['variable'])) {
$script = FCKJavaScriptCompressor::_ProcessFunctions($script);
}
// Join consecutive string concatened with a "+".
$script = $stringsProc->ConcatProtectedStrings($script);
// Restore the protected script strings.
$script = $stringsProc->RestoreStrings($script);
return $script;
}
