installed plugin W3 Total Cache version 2.3.2
This commit is contained in:
Gitium
224
wp-content/plugins/w3-total-cache/lib/YuiCssMin/Command.php
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224
wp-content/plugins/w3-total-cache/lib/YuiCssMin/Command.php
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<?php
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namespace W3TCL\YuiCssMin;
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class Command
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{
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const SUCCESS_EXIT = 0;
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const FAILURE_EXIT = 1;
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protected $stats = array();
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public static function main()
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{
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$command = new self;
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$command->run();
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}
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public function run()
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{
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$opts = getopt(
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'hi:o:',
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array(
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'help',
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'input:',
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'output:',
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'dry-run',
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'keep-sourcemap',
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'keep-sourcemap-comment',
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'linebreak-position:',
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'memory-limit:',
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'pcre-backtrack-limit:',
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'pcre-recursion-limit:',
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'remove-important-comments'
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)
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);
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$help = $this->getOpt(array('h', 'help'), $opts);
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$input = $this->getOpt(array('i', 'input'), $opts);
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$output = $this->getOpt(array('o', 'output'), $opts);
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$dryrun = $this->getOpt('dry-run', $opts);
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$keepSourceMapComment = $this->getOpt(array('keep-sourcemap', 'keep-sourcemap-comment'), $opts);
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$linebreakPosition = $this->getOpt('linebreak-position', $opts);
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$memoryLimit = $this->getOpt('memory-limit', $opts);
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$backtrackLimit = $this->getOpt('pcre-backtrack-limit', $opts);
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$recursionLimit = $this->getOpt('pcre-recursion-limit', $opts);
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$removeImportantComments = $this->getOpt('remove-important-comments', $opts);
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if (!is_null($help)) {
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$this->showHelp();
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die( esc_html( self::SUCCESS_EXIT ) );
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}
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if (is_null($input)) {
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fwrite(STDERR, '-i <file> argument is missing' . PHP_EOL);
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$this->showHelp();
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die( esc_html( self::FAILURE_EXIT ) );
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}
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if (!is_readable($input)) {
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fwrite(STDERR, 'Input file is not readable' . PHP_EOL);
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die( esc_html( self::FAILURE_EXIT ) );
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}
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$css = file_get_contents($input);
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if ($css === false) {
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fwrite(STDERR, 'Input CSS code could not be retrieved from input file' . PHP_EOL);
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die( esc_html( self::FAILURE_EXIT ) );
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}
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$this->setStat('original-size', strlen($css));
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$cssmin = new Minifier;
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if (!is_null($keepSourceMapComment)) {
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$cssmin->keepSourceMapComment();
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}
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if (!is_null($removeImportantComments)) {
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$cssmin->removeImportantComments();
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}
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if (!is_null($linebreakPosition)) {
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$cssmin->setLineBreakPosition($linebreakPosition);
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}
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if (!is_null($memoryLimit)) {
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$cssmin->setMemoryLimit($memoryLimit);
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}
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if (!is_null($backtrackLimit)) {
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$cssmin->setPcreBacktrackLimit($backtrackLimit);
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}
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if (!is_null($recursionLimit)) {
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$cssmin->setPcreRecursionLimit($recursionLimit);
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}
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$this->setStat('compression-time-start', microtime(true));
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$css = $cssmin->run($css);
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$this->setStat('compression-time-end', microtime(true));
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$this->setStat('peak-memory-usage', memory_get_peak_usage(true));
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$this->setStat('compressed-size', strlen($css));
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if (!is_null($dryrun)) {
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$this->showStats();
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die( esc_html( self::SUCCESS_EXIT ) );
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}
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if (is_null($output)) {
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fwrite(STDOUT, $css . PHP_EOL);
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$this->showStats();
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die( esc_html( self::SUCCESS_EXIT ) );
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}
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if (!is_writable(dirname($output))) {
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fwrite(STDERR, 'Output file is not writable' . PHP_EOL);
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die( esc_html( self::FAILURE_EXIT ) );
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}
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if (file_put_contents($output, $css) === false) {
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fwrite(STDERR, 'Compressed CSS code could not be saved to output file' . PHP_EOL);
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die( esc_html( self::FAILURE_EXIT ) );
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}
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$this->showStats();
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die( esc_html( self::SUCCESS_EXIT ) );
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}
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protected function getOpt($opts, $options)
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{
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$value = null;
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if (is_string($opts)) {
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$opts = array($opts);
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}
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foreach ($opts as $opt) {
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if (array_key_exists($opt, $options)) {
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$value = $options[$opt];
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break;
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}
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}
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return $value;
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}
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protected function setStat($statName, $statValue)
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{
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$this->stats[$statName] = $statValue;
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}
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protected function formatBytes($size, $precision = 2)
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{
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$base = log($size, 1024);
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$suffixes = array('B', 'K', 'M', 'G', 'T');
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return round(pow(1024, $base - floor($base)), $precision) .' '. $suffixes[floor($base)];
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}
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protected function formatMicroSeconds($microSecs, $precision = 2)
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{
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// ms
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$time = round($microSecs * 1000, $precision);
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if ($time >= 60 * 1000) {
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$time = round($time / 60 * 1000, $precision) .' m'; // m
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} elseif ($time >= 1000) {
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$time = round($time / 1000, $precision) .' s'; // s
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} else {
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$time .= ' ms';
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}
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return $time;
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}
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protected function showStats()
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{
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$spaceSavings = round((1 - ($this->stats['compressed-size'] / $this->stats['original-size'])) * 100, 2);
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$compressionRatio = round($this->stats['original-size'] / $this->stats['compressed-size'], 2);
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$compressionTime = $this->formatMicroSeconds(
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$this->stats['compression-time-end'] - $this->stats['compression-time-start']
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);
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$peakMemoryUsage = $this->formatBytes($this->stats['peak-memory-usage']);
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print esc_html(
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<<<EOT
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------------------------------
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CSSMIN STATS
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------------------------------
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Space savings: {$spaceSavings} %
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Compression ratio: {$compressionRatio}:1
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Compression time: $compressionTime
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Peak memory usage: $peakMemoryUsage
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EOT
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);
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}
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protected function showHelp()
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{
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print <<<'EOT'
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Usage: cssmin [options] -i <file> [-o <file>]
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-i|--input <file> File containing uncompressed CSS code.
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-o|--output <file> File to use to save compressed CSS code.
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Options:
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-h|--help Prints this usage information.
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--dry-run Performs a dry run displaying statistics.
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--keep-sourcemap[-comment] Keeps the sourcemap special comment in the output.
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--linebreak-position <pos> Splits long lines after a specific column in the output.
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--memory-limit <limit> Sets the memory limit for this script.
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--pcre-backtrack-limit <limit> Sets the PCRE backtrack limit for this script.
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--pcre-recursion-limit <limit> Sets the PCRE recursion limit for this script.
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--remove-important-comments Removes !important comments from output.
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EOT;
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}
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}
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