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PK��!��#o,��,�� index.htmlnu��[��<html><body bgcolor="#FFFFFF"></body></html>PK��!�x9�N��N��"��src/Abstraction/BasicException.phpnu��[��<?php /** * Basic exception. * * Please report bugs on https://github.com/matthiasmullie/minify/issues * * @author Matthias Mullie <minify@mullie.eu> * @copyright Copyright (c) 2012, Matthias Mullie. All rights reserved * @license MIT License / namespace VDM\Minify\Abstraction; /* * Basic exception. * * Please report bugs on https://github.com/matthiasmullie/minify/issues * * @author Matthias Mullie * @copyright Copyright (c) 2012, Matthias Mullie. All rights reserved * @license MIT License / abstract class BasicException extends \Exception { } PK��!��,PaB��aB��src/Abstraction/Minify.phpnu��[��<?php /* * Abstract minifier class. * * Please report bugs on https://github.com/matthiasmullie/minify/issues * * @author Matthias Mullie <minify@mullie.eu> * @copyright Copyright (c) 2012, Matthias Mullie. All rights reserved * @license MIT License / namespace VDM\Minify\Abstraction; use VDM\Minify\Exceptions\IOException; use VDM\Psr\Cache\CacheItemInterface; /* * Abstract minifier class. * * Please report bugs on https://github.com/matthiasmullie/minify/issues * * @author Matthias Mullie * @copyright Copyright (c) 2012, Matthias Mullie. All rights reserved * @license MIT License / abstract class Minify { /* * The data to be minified. * * @var string[] / protected $data = []; /* * Array of patterns to match. * * @var string[] / protected $patterns = []; /* * This array will hold content of strings and regular expressions that have * been extracted from the JS source code, so we can reliably match "code", * without having to worry about potential "code-like" characters inside. * * @internal * * @var string[] / public $extracted = []; /* * Init the minify class - optionally, code may be passed along already. / public function __construct(/ $data = null, ... /) { // it's possible to add the source through the constructor as well ;) if (func_num_args()) { call_user_func_array(array($this, 'add'), func_get_args()); } } /* * Add a file or straight-up code to be minified. * * @param string\|string[] $data * * @return static / public function add($data / $data = null, ... /) { // bogus "usage" of parameter $data: scrutinizer warns this variable is // not used (we're using func_get_args instead to support overloading), // but it still needs to be defined because it makes no sense to have // this function without argument :) $args = array($data) + func_get_args(); // this method can be overloaded foreach ($args as $data) { if (is_array($data)) { call_user_func_array(array($this, 'add'), $data); continue; } // redefine var $data = (string) $data; // load data $value = $this->load($data); $key = ($data != $value) ? $data : count($this->data); // replace CR linefeeds etc. // @see https://github.com/matthiasmullie/minify/pull/139 $value = str_replace(array("\r\n", "\r"), "\n", $value); // store data $this->data[$key] = $value; } return $this; } /* * Add a file to be minified. * * @param string\|string[] $data * * @return static * * @throws IOException / public function addFile($data / $data = null, ... /) { // bogus "usage" of parameter $data: scrutinizer warns this variable is // not used (we're using func_get_args instead to support overloading), // but it still needs to be defined because it makes no sense to have // this function without argument :) $args = array($data) + func_get_args(); // this method can be overloaded foreach ($args as $path) { if (is_array($path)) { call_user_func_array(array($this, 'addFile'), $path); continue; } // redefine var $path = (string) $path; // check if we can read the file if (!$this->canImportFile($path)) { throw new IOException('The file "' . $path . '" could not be opened for reading. Check if PHP has enough permissions.'); } $this->add($path); } return $this; } /* * Minify the data & (optionally) saves it to a file. * * @param string[optional] $path Path to write the data to * * @return string The minified data / public function minify($path = null) { $content = $this->execute($path); // save to path if ($path !== null) { $this->save($content, $path); } return $content; } /* * Minify & gzip the data & (optionally) saves it to a file. * * @param string[optional] $path Path to write the data to * @param int[optional] $level Compression level, from 0 to 9 * * @return string The minified & gzipped data / public function gzip($path = null, $level = 9) { $content = $this->execute($path); $content = gzencode($content, $level, FORCE_GZIP); // save to path if ($path !== null) { $this->save($content, $path); } return $content; } /* * Minify the data & write it to a CacheItemInterface object. * * @param CacheItemInterface $item Cache item to write the data to * * @return CacheItemInterface Cache item with the minifier data / public function cache(CacheItemInterface $item) { $content = $this->execute(); $item->set($content); return $item; } /* * Minify the data. * * @param string[optional] $path Path to write the data to * * @return string The minified data / abstract public function execute($path = null); /* * Load data. * * @param string $data Either a path to a file or the content itself * * @return string / protected function load($data) { // check if the data is a file if ($this->canImportFile($data)) { $data = file_get_contents($data); // strip BOM, if any if (substr($data, 0, 3) == "\xef\xbb\xbf") { $data = substr($data, 3); } } return $data; } /* * Save to file. * * @param string $content The minified data * @param string $path The path to save the minified data to * * @throws IOException / protected function save($content, $path) { $handler = $this->openFileForWriting($path); $this->writeToFile($handler, $content); @fclose($handler); } /* * Register a pattern to execute against the source content. * * If $replacement is a string, it must be plain text. Placeholders like $1 or \2 don't work. * If you need that functionality, use a callback instead. * * @param string $pattern PCRE pattern * @param string\|callable $replacement Replacement value for matched pattern / protected function registerPattern($pattern, $replacement = '') { // study the pattern, we'll execute it more than once $pattern .= 'S'; $this->patterns[] = array($pattern, $replacement); } /* * We can't "just" run some regular expressions against JavaScript: it's a * complex language. E.g. having an occurrence of // xyz would be a comment, * unless it's used within a string. Of you could have something that looks * like a 'string', but inside a comment. * The only way to accurately replace these pieces is to traverse the JS one * character at a time and try to find whatever starts first. * * @param string $content The content to replace patterns in * * @return string The (manipulated) content / protected function replace($content) { $contentLength = strlen($content); $output = ''; $processedOffset = 0; $positions = array_fill(0, count($this->patterns), -1); $matches = []; while ($processedOffset < $contentLength) { // find first match for all patterns foreach ($this->patterns as $i => $pattern) { list($pattern, $replacement) = $pattern; // we can safely ignore patterns for positions we've unset earlier, // because we know these won't show up anymore if (array_key_exists($i, $positions) == false) { continue; } // no need to re-run matches that are still in the part of the // content that hasn't been processed if ($positions[$i] >= $processedOffset) { continue; } $match = null; if (preg_match($pattern, $content, $match, PREG_OFFSET_CAPTURE, $processedOffset)) { $matches[$i] = $match; // we'll store the match position as well; that way, we // don't have to redo all preg_matches after changing only // the first (we'll still know where those others are) $positions[$i] = $match[0][1]; } else { // if the pattern couldn't be matched, there's no point in // executing it again in later runs on this same content; // ignore this one until we reach end of content unset($matches[$i], $positions[$i]); } } // no more matches to find: everything's been processed, break out if (!$matches) { // output the remaining content $output .= substr($content, $processedOffset); break; } // see which of the patterns actually found the first thing (we'll // only want to execute that one, since we're unsure if what the // other found was not inside what the first found) $matchOffset = min($positions); $firstPattern = array_search($matchOffset, $positions); $match = $matches[$firstPattern]; // execute the pattern that matches earliest in the content string list(, $replacement) = $this->patterns[$firstPattern]; // add the part of the input between $processedOffset and the first match; // that content wasn't matched by anything $output .= substr($content, $processedOffset, $matchOffset - $processedOffset); // add the replacement for the match $output .= $this->executeReplacement($replacement, $match); // advance $processedOffset past the match $processedOffset = $matchOffset + strlen($match[0][0]); } return $output; } /* * If $replacement is a callback, execute it, passing in the match data. * If it's a string, just pass it through. * * @param string\|callable $replacement Replacement value * @param array $match Match data, in PREG_OFFSET_CAPTURE form * * @return string / protected function executeReplacement($replacement, $match) { if (!is_callable($replacement)) { return $replacement; } // convert $match from the PREG_OFFSET_CAPTURE form to the form the callback expects foreach ($match as &$matchItem) { $matchItem = $matchItem[0]; } return $replacement($match); } /* * Strings are a pattern we need to match, in order to ignore potential * code-like content inside them, but we just want all of the string * content to remain untouched. * * This method will replace all string content with simple STRING# * placeholder text, so we've rid all strings from characters that may be * misinterpreted. Original string content will be saved in $this->extracted * and after doing all other minifying, we can restore the original content * via restoreStrings(). * * @param string[optional] $chars * @param string[optional] $placeholderPrefix / protected function extractStrings($chars = '\'"', $placeholderPrefix = '') { // PHP only supports $this inside anonymous functions since 5.4 $minifier = $this; $callback = function ($match) use ($minifier, $placeholderPrefix) { // check the second index here, because the first always contains a quote if ($match[2] === '') { / * Empty strings need no placeholder; they can't be confused for * anything else anyway. * But we still needed to match them, for the extraction routine * to skip over this particular string. / return $match[0]; } $count = count($minifier->extracted); $placeholder = $match[1] . $placeholderPrefix . $count . $match[1]; $minifier->extracted[$placeholder] = $match[1] . $match[2] . $match[1]; return $placeholder; }; / * The \\ messiness explained: * * Don't count ' or " as end-of-string if it's escaped (has backslash * in front of it) * * Unless... that backslash itself is escaped (another leading slash), * in which case it's no longer escaping the ' or " * * So there can be either no backslash, or an even number * * multiply all of that times 4, to account for the escaping that has * to be done to pass the backslash into the PHP string without it being * considered as escape-char (times 2) and to get it in the regex, * escaped (times 2) / $this->registerPattern('/([' . $chars . '])(.?(?<!\\\\)(\\\\\\\\)+)\\1/s', $callback); } /* * This method will restore all extracted data (strings, regexes) that were * replaced with placeholder text in extract(). The original content was saved in $this->extracted. * * @param string $content * * @return string / protected function restoreExtractedData($content) { if (!$this->extracted) { // nothing was extracted, nothing to restore return $content; } $content = strtr($content, $this->extracted); $this->extracted = []; return $content; } /* * Check if the path is a regular file and can be read. * * @param string $path * * @return bool / protected function canImportFile($path) { $parsed = parse_url($path); if ( // file is elsewhere isset($parsed['host']) \|\| // file responds to queries (may change, or need to bypass cache) isset($parsed['query']) ) { return false; } return strlen($path) < PHP_MAXPATHLEN && @is_file($path) && is_readable($path); } /* * Attempts to open file specified by $path for writing. * * @param string $path The path to the file * * @return resource Specifier for the target file * * @throws IOException / protected function openFileForWriting($path) { if ($path === '' \|\| ($handler = @fopen($path, 'w')) === false) { throw new IOException('The file "' . $path . '" could not be opened for writing. Check if PHP has enough permissions.'); } return $handler; } /* * Attempts to write $content to the file specified by $handler. $path is used for printing exceptions. * * @param resource $handler The resource to write to * @param string $content The content to write * @param string $path The path to the file (for exception printing only) * * @throws IOException / protected function writeToFile($handler, $content, $path = '') { if ( !is_resource($handler) \|\| ($result = @fwrite($handler, $content)) === false \|\| ($result < strlen($content)) ) { throw new IOException('The file "' . $path . '" could not be written to. Check your disk space and file permissions.'); } } protected static function str_replace_first($search, $replace, $subject) { $pos = strpos((string) $subject, (string) $search); if ($pos !== false) { return substr_replace((string) $subject, (string) $replace, $pos, strlen((string) $search)); } return $subject; } } PK��!��#o,��,��src/Abstraction/index.htmlnu��[��<html><body bgcolor="#FFFFFF"></body></html>PK��!��d�em��em��src/Css.phpnu��[��<?php /* * CSS Minifier. * * Please report bugs on https://github.com/matthiasmullie/minify/issues * * @author Matthias Mullie <minify@mullie.eu> * @copyright Copyright (c) 2012, Matthias Mullie. All rights reserved * @license MIT License / namespace VDM\Minify; use VDM\Minify\Exceptions\FileImportException; use VDM\Minify\Path\Converter; use VDM\Minify\Path\Interfaces\ConverterInterface; use VDM\Minify\Abstraction\Minify; /* * CSS minifier. * * Please report bugs on https://github.com/matthiasmullie/minify/issues * * @author Matthias Mullie * @author Tijs Verkoyen * @copyright Copyright (c) 2012, Matthias Mullie. All rights reserved * @license MIT License / class Css extends Minify { /* * @var int maximum inport size in kB / protected $maxImportSize = 5; /* * @var string[] valid import extensions / protected $importExtensions = array( 'gif' => 'data:image/gif', 'png' => 'data:image/png', 'jpe' => 'data:image/jpeg', 'jpg' => 'data:image/jpeg', 'jpeg' => 'data:image/jpeg', 'svg' => 'data:image/svg+xml', 'woff' => 'data:application/x-font-woff', 'woff2' => 'data:application/x-font-woff2', 'avif' => 'data:image/avif', 'apng' => 'data:image/apng', 'webp' => 'data:image/webp', 'tif' => 'image/tiff', 'tiff' => 'image/tiff', 'xbm' => 'image/x-xbitmap', ); /* * Set the maximum size if files to be imported. * * Files larger than this size (in kB) will not be imported into the CSS. * Importing files into the CSS as data-uri will save you some connections, * but we should only import relatively small decorative images so that our * CSS file doesn't get too bulky. * * @param int $size Size in kB / public function setMaxImportSize($size) { $this->maxImportSize = $size; } /* * Set the type of extensions to be imported into the CSS (to save network * connections). * Keys of the array should be the file extensions & respective values * should be the data type. * * @param string[] $extensions Array of file extensions / public function setImportExtensions(array $extensions) { $this->importExtensions = $extensions; } /* * Move any import statements to the top. * * @param string $content Nearly finished CSS content * * @return string / protected function moveImportsToTop($content) { if (preg_match_all('/(;?)(@import (?<url>url$)?(?P<quotes>["\']?).+?(?P=quotes)(?(url)$));?/', $content, $matches)) { // remove from content foreach ($matches[0] as $import) { $content = str_replace($import, '', $content); } // add to top $content = implode(';', $matches[2]) . ';' . trim($content, ';'); } return $content; } /* * Combine CSS from import statements. * * Import statements will be loaded and their content merged into the original * file, to save HTTP requests. * * @param string $source The file to combine imports for * @param string $content The CSS content to combine imports for * @param string[] $parents Parent paths, for circular reference checks * * @return string * * @throws FileImportException / protected function combineImports($source, $content, $parents) { $importRegexes = array( // @import url(xxx) '/ # import statement @import # whitespace \s+ # open url() url$ # (optional) open path enclosure (?P<quotes>["\']?) # fetch path (?P<path>.+?) # (optional) close path enclosure (?P=quotes) # close url() $ # (optional) trailing whitespace \s # (optional) media statement(s) (?P<media>[^;]) # (optional) trailing whitespace \s # (optional) closing semi-colon ;? /ix', // @import 'xxx' '/ # import statement @import # whitespace \s+ # open path enclosure (?P<quotes>["\']) # fetch path (?P<path>.+?) # close path enclosure (?P=quotes) # (optional) trailing whitespace \s* # (optional) media statement(s) (?P<media>[^;]) # (optional) trailing whitespace \s # (optional) closing semi-colon ;? /ix', ); // find all relative imports in css $matches = []; foreach ($importRegexes as $importRegex) { if (preg_match_all($importRegex, $content, $regexMatches, PREG_SET_ORDER)) { $matches = [...$matches, ...$regexMatches]; } } $search = []; $replace = []; // loop the matches foreach ($matches as $match) { // get the path for the file that will be imported $importPath = dirname($source) . '/' . $match['path']; // only replace the import with the content if we can grab the // content of the file if (!$this->canImportByPath($match['path']) \|\| !$this->canImportFile($importPath)) { continue; } // check if current file was not imported previously in the same // import chain. if (in_array($importPath, $parents)) { throw new FileImportException('Failed to import file "' . $importPath . '": circular reference detected.'); } // grab referenced file & minify it (which may include importing // yet other @import statements recursively) $minifier = new self($importPath); $minifier->setMaxImportSize($this->maxImportSize); $minifier->setImportExtensions($this->importExtensions); $importContent = $minifier->execute($source, $parents); // check if this is only valid for certain media if (!empty($match['media'])) { $importContent = '@media ' . $match['media'] . '{' . $importContent . '}'; } // add to replacement array $search[] = $match[0]; $replace[] = $importContent; } // replace the import statements return str_replace($search, $replace, $content); } /** * Import files into the CSS, base64-ized. * * @url(image.jpg) images will be loaded and their content merged into the * original file, to save HTTP requests. * * @param string $source The file to import files for * @param string $content The CSS content to import files for * * @return string / protected function importFiles($source, $content) { $regex = '/url$(["\']?)(.+?)\\1$/i'; if ($this->importExtensions && preg_match_all($regex, $content, $matches, PREG_SET_ORDER)) { $search = []; $replace = []; // loop the matches foreach ($matches as $match) { $extension = substr(strrchr($match[2], '.'), 1); if ($extension && !array_key_exists($extension, $this->importExtensions)) { continue; } // get the path for the file that will be imported $path = $match[2]; $path = dirname($source) . '/' . $path; // only replace the import with the content if we're able to get // the content of the file, and it's relatively small if ($this->canImportFile($path) && $this->canImportBySize($path)) { // grab content && base64-ize $importContent = $this->load($path); $importContent = base64_encode($importContent); // build replacement $search[] = $match[0]; $replace[] = 'url(' . $this->importExtensions[$extension] . ';base64,' . $importContent . ')'; } } // replace the import statements $content = str_replace($search, $replace, $content); } return $content; } /* * Minify the data. * Perform CSS optimizations. * * @param string[optional] $path Path to write the data to * @param string[] $parents Parent paths, for circular reference checks * * @return string The minified data / public function execute($path = null, $parents = []) { $content = ''; // loop CSS data (raw data and files) foreach ($this->data as $source => $css) { / * Let's first take out strings & comments, since we can't just * remove whitespace anywhere. If whitespace occurs inside a string, * we should leave it alone. E.g.: * p { content: "a test" } / $this->extractStrings(); $this->stripComments(); $this->extractMath(); $this->extractCustomProperties(); $css = $this->replace($css); $css = $this->stripWhitespace($css); $css = $this->shortenColors($css); $css = $this->shortenZeroes($css); $css = $this->shortenFontWeights($css); $css = $this->stripEmptyTags($css); // restore the string we've extracted earlier $css = $this->restoreExtractedData($css); $source = is_int($source) ? '' : $source; $parents = $source ? array_merge($parents, array($source)) : $parents; $css = $this->combineImports($source, $css, $parents); $css = $this->importFiles($source, $css); / * If we'll save to a new path, we'll have to fix the relative paths * to be relative no longer to the source file, but to the new path. * If we don't write to a file, fall back to same path so no * conversion happens (because we still want it to go through most * of the move code, which also addresses url() & @import syntax...) / $converter = $this->getPathConverter($source, $path ?: $source); $css = $this->move($converter, $css); // combine css $content .= $css; } $content = $this->moveImportsToTop($content); return $content; } /* * Moving a css file should update all relative urls. * Relative references (e.g. ../images/image.gif) in a certain css file, * will have to be updated when a file is being saved at another location * (e.g. ../../images/image.gif, if the new CSS file is 1 folder deeper). * * @param ConverterInterface $converter Relative path converter * @param string $content The CSS content to update relative urls for * * @return string / protected function move(ConverterInterface $converter, $content) { / * Relative path references will usually be enclosed by url(). @import * is an exception, where url() is not necessary around the path (but is * allowed). * This could be 1 regular expression, where both regular expressions * in this array are on different sides of a \|. But we're using named * patterns in both regexes, the same name on both regexes. This is only * possible with a (?J) modifier, but that only works after a fairly * recent PCRE version. That's why I'm doing 2 separate regular * expressions & combining the matches after executing of both. / $relativeRegexes = array( // url(xxx) '/ # open url() url$ \s # open path enclosure (?P<quotes>["\'])? # fetch path (?P<path>.+?) # close path enclosure (?(quotes)(?P=quotes)) \s* # close url() $ /ix', // @import "xxx" '/ # import statement @import # whitespace \s+ # we don\'t have to check for @import url(), because the # condition above will already catch these # open path enclosure (?P<quotes>["\']) # fetch path (?P<path>.+?) # close path enclosure (?P=quotes) /ix', ); // find all relative urls in css $matches = []; foreach ($relativeRegexes as $relativeRegex) { if (preg_match_all($relativeRegex, $content, $regexMatches, PREG_SET_ORDER)) { $matches = [...$matches, ...$regexMatches]; } } $search = []; $replace = []; // loop all urls foreach ($matches as $match) { // determine if it's a url() or an @import match $type = (strpos($match[0], '@import') === 0 ? 'import' : 'url'); $url = $match['path']; if ($this->canImportByPath($url)) { // attempting to interpret GET-params makes no sense, so let's discard them for awhile $params = strrchr($url, '?'); $url = $params ? substr($url, 0, -strlen($params)) : $url; // fix relative url $url = $converter->convert($url); // now that the path has been converted, re-apply GET-params $url .= $params; } /* * Urls with control characters above 0x7e should be quoted. * According to Mozilla's parser, whitespace is only allowed at the * end of unquoted urls. * Urls with `)` (as could happen with data: uris) should also be * quoted to avoid being confused for the url() closing parentheses. * And urls with a # have also been reported to cause issues. * Urls with quotes inside should also remain escaped. * * @see https://developer.mozilla.org/nl/docs/Web/CSS/url#The_url()_functional_notation * @see https://hg.mozilla.org/mozilla-central/rev/14abca4e7378 * @see https://github.com/matthiasmullie/minify/issues/193 / $url = trim($url); if (preg_match('/[\s\)\'"#\x{7f}-\x{9f}]/u', $url)) { $url = $match['quotes'] . $url . $match['quotes']; } // build replacement $search[] = $match[0]; if ($type === 'url') { $replace[] = 'url(' . $url . ')'; } elseif ($type === 'import') { $replace[] = '@import "' . $url . '"'; } } // replace urls return str_replace($search, $replace, $content); } /* * Shorthand hex color codes. * #FF0000 -> #F00. * * @param string $content The CSS content to shorten the hex color codes for * * @return string / protected function shortenColors($content) { $content = preg_replace('/(?<=[: ])#([0-9a-z])\\1([0-9a-z])\\2([0-9a-z])\\3(?:([0-9a-z])\\4)?(?=[; }])/i', '#$1$2$3$4', $content); // remove alpha channel if it's pointless... $content = preg_replace('/(?<=[: ])#([0-9a-z]{6})ff?(?=[; }])/i', '#$1', $content); $content = preg_replace('/(?<=[: ])#([0-9a-z]{3})f?(?=[; }])/i', '#$1', $content); $colors = array( // we can shorten some even more by replacing them with their color name '#F0FFFF' => 'azure', '#F5F5DC' => 'beige', '#A52A2A' => 'brown', '#FF7F50' => 'coral', '#FFD700' => 'gold', '#808080' => 'gray', '#008000' => 'green', '#4B0082' => 'indigo', '#FFFFF0' => 'ivory', '#F0E68C' => 'khaki', '#FAF0E6' => 'linen', '#800000' => 'maroon', '#000080' => 'navy', '#808000' => 'olive', '#CD853F' => 'peru', '#FFC0CB' => 'pink', '#DDA0DD' => 'plum', '#800080' => 'purple', '#F00' => 'red', '#FA8072' => 'salmon', '#A0522D' => 'sienna', '#C0C0C0' => 'silver', '#FFFAFA' => 'snow', '#D2B48C' => 'tan', '#FF6347' => 'tomato', '#EE82EE' => 'violet', '#F5DEB3' => 'wheat', // or the other way around 'WHITE' => '#fff', 'BLACK' => '#000', ); return preg_replace_callback( '/(?<=[: ])(' . implode('\|', array_keys($colors)) . ')(?=[; }])/i', fn($match) => $colors[strtoupper((string) $match[0])], $content ); } /* * Shorten CSS font weights. * * @param string $content The CSS content to shorten the font weights for * * @return string / protected function shortenFontWeights($content) { $weights = array( 'normal' => 400, 'bold' => 700, ); $callback = fn($match) => $match[1] . $weights[$match[2]]; return preg_replace_callback('/(font-weight\s:\s)(' . implode('\|', array_keys($weights)) . ')(?=[;}])/', $callback, $content); } /* * Shorthand 0 values to plain 0, instead of e.g. -0em. * * @param string $content The CSS content to shorten the zero values for * * @return string / protected function shortenZeroes($content) { // we don't want to strip units in `calc()` expressions: // `5px - 0px` is valid, but `5px - 0` is not // `10px 0` is valid (equates to 0), and so is `10 * 0px`, but // `10 * 0` is invalid // we've extracted calcs earlier, so we don't need to worry about this // reusable bits of code throughout these regexes: // before & after are used to make sure we don't match lose unintended // 0-like values (e.g. in #000, or in http://url/1.0) // units can be stripped from 0 values, or used to recognize non 0 // values (where wa may be able to strip a .0 suffix) $before = '(?<=[:(, ])'; $after = '(?=[ ,);}])'; $units = '(em\|ex\|%\|px\|cm\|mm\|in\|pt\|pc\|ch\|rem\|vh\|vw\|vmin\|vmax\|vm)'; // strip units after zeroes (0px -> 0) // NOTE: it should be safe to remove all units for a 0 value, but in // practice, Webkit (especially Safari) seems to stumble over at least // 0%, potentially other units as well. Only stripping 'px' for now. // @see https://github.com/matthiasmullie/minify/issues/60 $content = preg_replace('/' . $before . '(-?0(\.0+)?)(?<=0)px' . $after . '/', '\\1', $content); // strip 0-digits (.0 -> 0) $content = preg_replace('/' . $before . '\.0+' . $units . '?' . $after . '/', '0\\1', $content); // strip trailing 0: 50.10 -> 50.1, 50.10px -> 50.1px $content = preg_replace('/' . $before . '(-?[0-9]+\.[0-9]+)0+' . $units . '?' . $after . '/', '\\1\\2', $content); // strip trailing 0: 50.00 -> 50, 50.00px -> 50px $content = preg_replace('/' . $before . '(-?[0-9]+)\.0+' . $units . '?' . $after . '/', '\\1\\2', $content); // strip leading 0: 0.1 -> .1, 01.1 -> 1.1 $content = preg_replace('/' . $before . '(-?)0+([0-9]\.[0-9]+)' . $units . '?' . $after . '/', '\\1\\2\\3', $content); // strip negative zeroes (-0 -> 0) & truncate zeroes (00 -> 0) $content = preg_replace('/' . $before . '-?0+' . $units . '?' . $after . '/', '0\\1', $content); // IE doesn't seem to understand a unitless flex-basis value (correct - // it goes against the spec), so let's add it in again (make it `%`, // which is only 1 char: 0%, 0px, 0 anything, it's all just the same) // @see https://developer.mozilla.org/nl/docs/Web/CSS/flex $content = preg_replace('/flex:([0-9]+\s[0-9]+\s)0([;\}])/', 'flex:${1}0%${2}', $content); $content = preg_replace('/flex-basis:0([;\}])/', 'flex-basis:0%${1}', $content); return $content; } /** * Strip empty tags from source code. * * @param string $content * * @return string / protected function stripEmptyTags($content) { $content = preg_replace('/(?<=^)[^\{\};]+\{\s\}/', '', $content); $content = preg_replace('/(?<=(\}\|;))[^\{\};]+\{\s\}/', '', $content); return $content; } /* * Strip comments from source code. / protected function stripComments() { // PHP only supports $this inside anonymous functions since 5.4 $minifier = $this; $callback = function ($match) use ($minifier) { $count = count($minifier->extracted); $placeholder = '/' . $count . '/'; $minifier->extracted[$placeholder] = $match[0]; return $placeholder; }; $this->registerPattern('/\n?\/\(!\|.?@license\|.?@preserve).?\\/\n?/s', $callback); $this->registerPattern('/\/\.?\\//s', ''); } /* * Strip whitespace. * * @param string $content The CSS content to strip the whitespace for * * @return string / protected function stripWhitespace($content) { // remove leading & trailing whitespace $content = preg_replace('/^\s/m', '', $content); $content = preg_replace('/\s$/m', '', $content); // replace newlines with a single space $content = preg_replace('/\s+/', ' ', $content); // remove whitespace around meta characters // inspired by stackoverflow.com/questions/15195750/minify-compress-css-with-regex $content = preg_replace('/\s([\$~^\|]?+=\|[{};,>~]\|!important\b)\s/', '$1', $content); $content = preg_replace('/([\[(:>\+])\s+/', '$1', $content); $content = preg_replace('/\s+([\]\)>\+])/', '$1', $content); $content = preg_replace('/\s+(:)(?![^\}]\{)/', '$1', $content); // whitespace around + and - can only be stripped inside some pseudo- // classes, like `:nth-child(3+2n)` // not in things like `calc(3px + 2px)`, shorthands like `3px -2px`, or // selectors like `div.weird- p` $pseudos = array('nth-child', 'nth-last-child', 'nth-last-of-type', 'nth-of-type'); $content = preg_replace('/:(' . implode('\|', $pseudos) . ')$\s([+-]?)\s(.+?)\s([+-]?)\s(.?)\s$/', ':$1($2$3$4$5)', $content); // remove semicolon/whitespace followed by closing bracket $content = str_replace(';}', '}', $content); return trim($content); } /* * Replace all occurrences of functions that may contain math, where * whitespace around operators needs to be preserved (e.g. calc, clamp). / protected function extractMath() { $functions = array('calc', 'clamp', 'min', 'max'); $pattern = '/\b(' . implode('\|', $functions) . ')(\(.+?)(?=$\|;\|})/m'; // PHP only supports $this inside anonymous functions since 5.4 $minifier = $this; $callback = function ($match) use ($minifier, $pattern, &$callback) { $function = $match[1]; $length = strlen((string) $match[2]); $expr = ''; $opened = 0; // the regular expression for extracting math has 1 significant problem: // it can't determine the correct closing parenthesis... // instead, it'll match a larger portion of code to where it's certain that // the calc() musts have ended, and we'll figure out which is the correct // closing parenthesis here, by counting how many have opened for ($i = 0; $i < $length; ++$i) { $char = $match[2][$i]; $expr .= $char; if ($char === '(') { ++$opened; } elseif ($char === ')' && --$opened === 0) { break; } } // now that we've figured out where the calc() starts and ends, extract it $count = count($minifier->extracted); $placeholder = 'math(' . $count . ')'; $minifier->extracted[$placeholder] = $function . '(' . trim(substr($expr, 1, -1)) . ')'; // and since we've captured more code than required, we may have some leftover // calc() in here too - go recursive on the remaining but of code to go figure // that out and extract what is needed $rest = $minifier->str_replace_first($function . $expr, '', $match[0]); $rest = preg_replace_callback($pattern, $callback, $rest); return $placeholder . $rest; }; $this->registerPattern($pattern, $callback); } /* * Replace custom properties, whose values may be used in scenarios where * we wouldn't want them to be minified (e.g. inside calc). / protected function extractCustomProperties() { // PHP only supports $this inside anonymous functions since 5.4 $minifier = $this; $this->registerPattern( '/(?<=^\|[;}{])\s(--[^:;{}"\'\s]+)\s:([^;{}]+)/m', function ($match) use ($minifier) { $placeholder = '--custom-' . count($minifier->extracted) . ':0'; $minifier->extracted[$placeholder] = $match[1] . ':' . trim((string) $match[2]); return $placeholder; } ); } /* * Check if file is small enough to be imported. * * @param string $path The path to the file * * @return bool / protected function canImportBySize($path) { return ($size = @filesize($path)) && $size <= $this->maxImportSize 1024; } /** * Check if file a file can be imported, going by the path. * * @param string $path * * @return bool / protected function canImportByPath($path) { return preg_match('/^(data:\|https?:\|\\/)/', $path) === 0; } /* * Return a converter to update relative paths to be relative to the new * destination. * * @param string $source * @param string $target * * @return ConverterInterface / protected function getPathConverter($source, $target) { return new Converter($source, $target); } } PK��!��F��&��src/Exceptions/FileImportException.phpnu��[��<?php /* * File Import Exception. * * Please report bugs on https://github.com/matthiasmullie/minify/issues * * @author Matthias Mullie <minify@mullie.eu> * @copyright Copyright (c) 2012, Matthias Mullie. All rights reserved * @license MIT License / namespace VDM\Minify\Exceptions; use VDM\Minify\Abstraction\BasicException; /* * File Import Exception Class. * * @author Matthias Mullie / class FileImportException extends BasicException { } PK��!�'W�W��src/Exceptions/IOException.phpnu��[��<?php /* * IO Exception. * * Please report bugs on https://github.com/matthiasmullie/minify/issues * * @author Matthias Mullie <minify@mullie.eu> * @copyright Copyright (c) 2012, Matthias Mullie. All rights reserved * @license MIT License / namespace VDM\Minify\Exceptions; use VDM\Minify\Abstraction\BasicException; /* * IO Exception Class. * * @author Matthias Mullie / class IOException extends BasicException { } PK��!��#o,��,��src/Exceptions/index.htmlnu��[��<html><body bgcolor="#FFFFFF"></body></html>PK��!�j��src/JavaScript.phpnu��[��<?php /* * JavaScript minifier. * * Please report bugs on https://github.com/matthiasmullie/minify/issues * * @author Matthias Mullie <minify@mullie.eu> * @copyright Copyright (c) 2012, Matthias Mullie. All rights reserved * @license MIT License / namespace VDM\Minify; use VDM\Minify\Abstraction\Minify; /* * JavaScript Minifier Class. * * Please report bugs on https://github.com/matthiasmullie/minify/issues * * @author Matthias Mullie * @author Tijs Verkoyen * @copyright Copyright (c) 2012, Matthias Mullie. All rights reserved * @license MIT License / class JavaScript extends Minify { /* * Var-matching regex based on http://stackoverflow.com/a/9337047/802993. * * Note that regular expressions using that bit must have the PCRE_UTF8 * pattern modifier (/u) set. * * @internal * * @var string / const REGEX_VARIABLE = 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/** * Full list of JavaScript reserved words. * Will be loaded from /data/js/keywords_reserved.txt. * * @see https://mathiasbynens.be/notes/reserved-keywords * * @var string[] / protected $keywordsReserved = [ 'do', 'if', 'in', 'for', 'let', 'new', 'try', 'var', 'case', 'else', 'enum', 'eval', 'null', 'this', 'true', 'void', 'with', 'break', 'catch', 'class', 'const', 'false', 'super', 'throw', 'while', 'yield', 'delete', 'export', 'import', 'public', 'return', 'static', 'switch', 'typeof', 'default', 'extends', 'finally', 'package', 'private', 'continue', 'debugger', 'function', 'arguments', 'interface', 'protected', 'implements', 'instanceof', 'abstract', 'boolean', 'byte', 'char', 'double', 'final', 'float', 'goto', 'int', 'long', 'native', 'short', 'synchronized', 'throws', 'transient', 'volatile' ]; /* * List of JavaScript reserved words that accept a <variable, value, ...> * after them. Some end of lines are not the end of a statement, like with * these keywords. * * E.g.: we shouldn't insert a ; after this else * else * console.log('this is quite fine') * * Will be loaded from /data/js/keywords_before.txt * * @var string[] / protected $keywordsBefore = [ 'do', 'in', 'let', 'new', 'var', 'case', 'else', 'enum', 'void', 'with', 'class', 'const', 'yield', 'delete', 'export', 'import', 'public', 'static', 'typeof', 'extends', 'package', 'private', 'function', 'protected', 'implements', 'instanceof' ]; /* * List of JavaScript reserved words that accept a <variable, value, ...> * before them. Some end of lines are not the end of a statement, like when * continued by one of these keywords on the newline. * * E.g.: we shouldn't insert a ; before this instanceof * variable * instanceof String * * Will be loaded from /data/js/keywords_after.txt * * @var string[] / protected $keywordsAfter = [ 'in', 'public', 'extends', 'private', 'protected', 'implements', 'instanceof' ]; /* * List of all JavaScript operators. * * Will be loaded from /data/js/operators.txt * * @see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Expressions_and_Operators * * @var string[] / protected $operators = [ '+', '-', '', '/', '%', '=', '+=', '-=', '=', '/=', '%=', '<<=', '>>=', '>>>=', '&=', '^=', '\|=', '&', '\|', '^', '~', '<<', '>>', '>>>', '==', '===', '!=', '!==', '>', '<', '>=', '<=', '&&', '\|\|', '!', '.', '[', ']', '?', ':', ',', ';', '(', ')', '{', '}' ]; /* * List of JavaScript operators that accept a <variable, value, ...> after * them. Some end of lines are not the end of a statement, like with these * operators. * * Note: Most operators are fine, we've only removed ++ and --. * ++ & -- have to be joined with the value they're in-/decrementing. * * Will be loaded from /data/js/operators_before.txt * * @see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Expressions_and_Operators * * @var string[] / protected $operatorsBefore = [ '+', '-', '', '/', '%', '=', '+=', '-=', '=', '/=', '%=', '<<=', '>>=', '>>>=', '&=', '^=', '\|=', '&', '\|', '^', '~', '<<', '>>', '>>>', '==', '===', '!=', '!==', '>', '<', '>=', '<=', '&&', '\|\|', '!', '.', '[', '?', ':', ',', ';', '(', '{', ]; /* * List of JavaScript operators that accept a <variable, value, ...> before * them. Some end of lines are not the end of a statement, like when * continued by one of these operators on the newline. * * Note: Most operators are fine, we've only removed ), ], ++, --, ! and ~. * There can't be a newline separating ! or ~ and whatever it is negating. * ++ & -- have to be joined with the value they're in-/decrementing. * ) & ] are "special" in that they have lots or usecases. () for example * is used for function calls, for grouping, in if () and for (), ... * * Will be loaded from /data/js/operators_after.txt * * @see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Expressions_and_Operators * * @var string[] / protected $operatorsAfter = [ '+', '-', '', '/', '%', '=', '+=', '-=', '=', '/=', '%=', '<<=', '>>=', '>>>=', '&=', '^=', '\|=', '&', '\|', '^', '<<', '>>', '>>>', '==', '===', '!=', '!==', '>', '<', '>=', '<=', '&&', '\|\|', '.', '[', ']', '?', ':', ',', ';', '(', ')', '}', ]; /* * Minify the data. * Perform JS optimizations. * * @param string[optional] $path Path to write the data to * * @return string The minified data / public function execute($path = null) { $content = ''; / * Let's first take out strings, comments and regular expressions. * All of these can contain JS code-like characters, and we should make * sure any further magic ignores anything inside of these. * * Consider this example, where we should not strip any whitespace: * var str = "a test"; * * Comments will be removed altogether, strings and regular expressions * will be replaced by placeholder text, which we'll restore later. / $this->extractStrings('\'"`'); $this->stripComments(); $this->extractRegex(); // loop files foreach ($this->data as $source => $js) { // take out strings, comments & regex (for which we've registered // the regexes just a few lines earlier) $js = $this->replace($js); $js = $this->propertyNotation($js); $js = $this->shortenBools($js); $js = $this->stripWhitespace($js); // combine js: separating the scripts by a ; $content .= $js . ';'; } // clean up leftover `;`s from the combination of multiple scripts $content = ltrim($content, ';'); $content = (string) substr($content, 0, -1); / * Earlier, we extracted strings & regular expressions and replaced them * with placeholder text. This will restore them. / $content = $this->restoreExtractedData($content); return $content; } /* * Strip comments from source code. / protected function stripComments() { // PHP only supports $this inside anonymous functions since 5.4 $minifier = $this; $callback = function ($match) use ($minifier) { if ( substr((string) $match[2], 0, 1) === '!' \|\| strpos((string) $match[2], '@license') !== false \|\| strpos((string) $match[2], '@preserve') !== false ) { // preserve multi-line comments that start with /! // or contain @license or @preserve annotations $count = count($minifier->extracted); $placeholder = '/' . $count . '/'; $minifier->extracted[$placeholder] = $match[0]; return $match[1] . $placeholder . $match[3]; } return $match[1] . $match[3]; }; // multi-line comments $this->registerPattern('/(\n?)\/\(.?)\\/(\n?)/s', $callback); // single-line comments $this->registerPattern('/\/\/.$/m', ''); } /** * JS can have /-delimited regular expressions, like: /ab+c/.match(string). * * The content inside the regex can contain characters that may be confused * for JS code: e.g. it could contain whitespace it needs to match & we * don't want to strip whitespace in there. * * The regex can be pretty simple: we don't have to care about comments, * (which also use slashes) because stripComments() will have stripped those * already. * * This method will replace all string content with simple REGEX# * placeholder text, so we've rid all regular expressions from characters * that may be misinterpreted. Original regex content will be saved in * $this->extracted and after doing all other minifying, we can restore the * original content via restoreRegex() / protected function extractRegex() { // PHP only supports $this inside anonymous functions since 5.4 $minifier = $this; $callback = function ($match) use ($minifier) { $count = count($minifier->extracted); $placeholder = '"' . $count . '"'; $minifier->extracted[$placeholder] = $match[0]; return $placeholder; }; // match all chars except `/` and `\` // `\` is allowed though, along with whatever char follows (which is the // one being escaped) // this should allow all chars, except for an unescaped `/` (= the one // closing the regex) // then also ignore bare `/` inside `[]`, where they don't need to be // escaped: anything inside `[]` can be ignored safely $pattern = '\\/(?!\)(?:[^\\[\\/\\\\\n\r]++\|(?:\\\\.)++\|(?:\\[(?:[^\\]\\\\\n\r]++\|(?:\\\\.)++)++\\])++)++\\/[gimuy]'; // a regular expression can only be followed by a few operators or some // of the RegExp methods (a `\` followed by a variable or value is // likely part of a division, not a regex) $keywords = array('do', 'in', 'new', 'else', 'throw', 'yield', 'delete', 'return', 'typeof'); $before = '(^\|[=:,;\+\-\\?\/\}$\{\[&\\|!]\|' . implode('\|', $keywords) . ')\s'; $propertiesAndMethods = array( // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp#Properties_2 'constructor', 'flags', 'global', 'ignoreCase', 'multiline', 'source', 'sticky', 'unicode', // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp#Methods_2 'compile(', 'exec(', 'test(', 'toSource(', 'toString(', ); $delimiters = array_fill(0, count($propertiesAndMethods), '/'); $propertiesAndMethods = array_map('preg_quote', $propertiesAndMethods, $delimiters); $after = '(?=\s([\.,;:$\}&\\|+]\|\/\/\|$\|\.(' . implode('\|', $propertiesAndMethods) . ')))'; $this->registerPattern('/' . $before . '\K' . $pattern . $after . '/', $callback); // regular expressions following a `)` are rather annoying to detect... // quite often, `/` after `)` is a division operator & if it happens to // be followed by another one (or a comment), it is likely to be // confused for a regular expression // however, it's perfectly possible for a regex to follow a `)`: after // a single-line `if()`, `while()`, ... statement, for example // since, when they occur like that, they're always the start of a // statement, there's only a limited amount of ways they can be useful: // by calling the regex methods directly // if a regex following `)` is not followed by `.<property or method>`, // it's quite likely not a regex $before = '\)\s'; $after = '(?=\s\.(' . implode('\|', $propertiesAndMethods) . '))'; $this->registerPattern('/' . $before . '\K' . $pattern . $after . '/', $callback); // 1 more edge case: a regex can be followed by a lot more operators or // keywords if there's a newline (ASI) in between, where the operator // actually starts a new statement // (https://github.com/matthiasmullie/minify/issues/56) $operators = $this->getOperatorsForRegex($this->operatorsBefore, '/'); $operators += $this->getOperatorsForRegex($this->keywordsReserved, '/'); $after = '(?=\s\n\s(' . implode('\|', $operators) . '))'; $this->registerPattern('/' . $pattern . $after . '/', $callback); } /** * Strip whitespace. * * We won't strip all whitespace, but as much as possible. The thing that * we'll preserve are newlines we're unsure about. * JavaScript doesn't require statements to be terminated with a semicolon. * It will automatically fix missing semicolons with ASI (automatic semi- * colon insertion) at the end of line causing errors (without semicolon.) * * Because it's sometimes hard to tell if a newline is part of a statement * that should be terminated or not, we'll just leave some of them alone. * * @param string $content The content to strip the whitespace for * * @return string / protected function stripWhitespace($content) { // uniform line endings, make them all line feed $content = str_replace(array("\r\n", "\r"), "\n", $content); // collapse all non-line feed whitespace into a single space $content = preg_replace('/[^\S\n]+/', ' ', $content); // strip leading & trailing whitespace $content = str_replace(array(" \n", "\n "), "\n", $content); // collapse consecutive line feeds into just 1 $content = preg_replace('/\n+/', "\n", $content); $operatorsBefore = $this->getOperatorsForRegex($this->operatorsBefore, '/'); $operatorsAfter = $this->getOperatorsForRegex($this->operatorsAfter, '/'); $operators = $this->getOperatorsForRegex($this->operators, '/'); $keywordsBefore = $this->getKeywordsForRegex($this->keywordsBefore, '/'); $keywordsAfter = $this->getKeywordsForRegex($this->keywordsAfter, '/'); // strip whitespace that ends in (or next line begin with) an operator // that allows statements to be broken up over multiple lines unset($operatorsBefore['+'], $operatorsBefore['-'], $operatorsAfter['+'], $operatorsAfter['-']); $content = preg_replace( array( '/(' . implode('\|', $operatorsBefore) . ')\s+/', '/\s+(' . implode('\|', $operatorsAfter) . ')/', ), '\\1', $content ); // make sure + and - can't be mistaken for, or joined into ++ and -- $content = preg_replace( array( '/(?<![\+\-])\s([\+\-])(?![\+\-])/', '/(?<![\+\-])([\+\-])\s(?![\+\-])/', ), '\\1', $content ); // collapse whitespace around reserved words into single space $content = preg_replace('/(^\|[;\}\s])\K(' . implode('\|', $keywordsBefore) . ')\s+/', '\\2 ', $content); $content = preg_replace('/\s+(' . implode('\|', $keywordsAfter) . ')(?=([;\{\s]\|$))/', ' \\1', $content); / * We didn't strip whitespace after a couple of operators because they * could be used in different contexts and we can't be sure it's ok to * strip the newlines. However, we can safely strip any non-line feed * whitespace that follows them. / $operatorsDiffBefore = array_diff($operators, $operatorsBefore); $operatorsDiffAfter = array_diff($operators, $operatorsAfter); $content = preg_replace('/(' . implode('\|', $operatorsDiffBefore) . ')[^\S\n]+/', '\\1', $content); $content = preg_replace('/[^\S\n]+(' . implode('\|', $operatorsDiffAfter) . ')/', '\\1', $content); / * Whitespace after `return` can be omitted in a few occasions * (such as when followed by a string or regex) * Same for whitespace in between `)` and `{`, or between `{` and some * keywords. / $content = preg_replace('/\breturn\s+(["\'\/\+\-])/', 'return$1', $content); $content = preg_replace('/\)\s+\{/', '){', $content); $content = preg_replace('/}\n(else\|catch\|finally)\b/', '}$1', $content); / * Get rid of double semicolons, except where they can be used like: * "for(v=1,_=b;;)", "for(v=1;;v++)" or "for(;;ja\|\|(ja=true))". * I'll safeguard these double semicolons inside for-loops by * temporarily replacing them with an invalid condition: they won't have * a double semicolon and will be easy to spot to restore afterwards. / $content = preg_replace('/\bfor$([^;]);;([^;])$/', 'for(\\1;-;\\2)', $content); $content = preg_replace('/;+/', ';', $content); $content = preg_replace('/\bfor$([^;]);-;([^;])$/', 'for(\\1;;\\2)', $content); / * Next, we'll be removing all semicolons where ASI kicks in. * for-loops however, can have an empty body (ending in only a * semicolon), like: `for(i=1;i<3;i++);`, of `for(i in list);` * Here, nothing happens during the loop; it's just used to keep * increasing `i`. With that ; omitted, the next line would be expected * to be the for-loop's body... Same goes for while loops. * I'm going to double that semicolon (if any) so after the next line, * which strips semicolons here & there, we're still left with this one. * Note the special recursive construct in the three inner parts of the for: * (\{([^\{\}](?-2))[^\{\}]\})? - it is intended to match inline functions bodies, e.g.: i<arr.map(function(e){return e}).length. * Also note that the construct is applied only once and multiplied * for each part of the for, otherwise it risks a catastrophic backtracking. * The limitation is that it will not allow closures in more than one * of the three parts for a specific for() case. * REGEX throwing catastrophic backtracking: $content = preg_replace('/(for$[^;\{](\{([^\{\}](?-2))[^\{\}]\})?[^;\{];[^;\{](\{([^\{\}](?-2))[^\{\}]\})?[^;\{];[^;\{](\{([^\{\}](?-2))[^\{\}]\})?[^;\{]$);(\}\|$)/s', '\\1;;\\8', $content); / $content = preg_replace('/(for$(?:[^;\{]\|[^;\{]function[^;\{](\{([^\{\}](?-2))[^\{\}]\})?[^;\{]);[^;\{];[^;\{]$);(\}\|$)/s', '\\1;;\\4', $content); $content = preg_replace('/(for$[^;\{];(?:[^;\{]\|[^;\{]function[^;\{](\{([^\{\}](?-2))[^\{\}]\})?[^;\{]);[^;\{]$);(\}\|$)/s', '\\1;;\\4', $content); $content = preg_replace('/(for$[^;\{];[^;\{];(?:[^;\{]\|[^;\{]function[^;\{](\{([^\{\}](?-2))[^\{\}]\})?[^;\{])$);(\}\|$)/s', '\\1;;\\4', $content); $content = preg_replace('/(for$[^;\{]+\s+in\s+[^;\{]+$);(\}\|$)/s', '\\1;;\\2', $content); / * Do the same for the if's that don't have a body but are followed by ;} / $content = preg_replace('/(\bif\s$[^{;]$);\}/s', '\\1;;}', $content); / * Below will also keep `;` after a `do{}while();` along with `while();` * While these could be stripped after do-while, detecting this * distinction is cumbersome, so I'll play it safe and make sure `;` * after any kind of `while` is kept. / $content = preg_replace('/(while$[^;\{]+$);(\}\|$)/s', '\\1;;\\2', $content); / * We also can't strip empty else-statements. Even though they're * useless and probably shouldn't be in the code in the first place, we * shouldn't be stripping the `;` that follows it as it breaks the code. * We can just remove those useless else-statements completely. * * @see https://github.com/matthiasmullie/minify/issues/91 / $content = preg_replace('/else;/s', '', $content); / * We also don't really want to terminate statements followed by closing * curly braces (which we've ignored completely up until now) or end-of- * script: ASI will kick in here & we're all about minifying. * Semicolons at beginning of the file don't make any sense either. / $content = preg_replace('/;(\}\|$)/s', '\\1', $content); $content = ltrim($content, ';'); // get rid of remaining whitespace af beginning/end return trim($content); } /* * We'll strip whitespace around certain operators with regular expressions. * This will prepare the given array by escaping all characters. * * @param string[] $operators * @param string $delimiter * * @return string[] / protected function getOperatorsForRegex(array $operators, $delimiter = '/') { // escape operators for use in regex $delimiters = array_fill(0, count($operators), $delimiter); $escaped = array_map('preg_quote', $operators, $delimiters); $operators = array_combine($operators, $escaped); // ignore + & - for now, they'll get special treatment unset($operators['+'], $operators['-']); // dot can not just immediately follow a number; it can be confused for // decimal point, or calling a method on it, e.g. 42 .toString() $operators['.'] = '(?<![0-9]\s)\.'; // don't confuse = with other assignment shortcuts (e.g. +=) $chars = preg_quote('+-\=<>%&\|', $delimiter); $operators['='] = '(?<![' . $chars . '])\='; return $operators; } /** * We'll strip whitespace around certain keywords with regular expressions. * This will prepare the given array by escaping all characters. * * @param string[] $keywords * @param string $delimiter * * @return string[] / protected function getKeywordsForRegex(array $keywords, $delimiter = '/') { // escape keywords for use in regex $delimiter = array_fill(0, count($keywords), $delimiter); $escaped = array_map('preg_quote', $keywords, $delimiter); // add word boundaries array_walk($keywords, fn($value) => '\b' . $value . '\b'); $keywords = array_combine($keywords, $escaped); return $keywords; } /* * Replaces all occurrences of array['key'] by array.key. * * @param string $content * * @return string / protected function propertyNotation($content) { // PHP only supports $this inside anonymous functions since 5.4 $minifier = $this; $keywords = $this->keywordsReserved; $callback = function ($match) use ($minifier, $keywords) { $property = trim($minifier->extracted[$match[1]], '\'"'); / * Check if the property is a reserved keyword. In this context (as * property of an object literal/array) it shouldn't matter, but IE8 * freaks out with "Expected identifier". / if (in_array($property, $keywords)) { return $match[0]; } / * See if the property is in a variable-like format (e.g. * array['key-here'] can't be replaced by array.key-here since '-' * is not a valid character there. / if (!preg_match('/^' . $minifier::REGEX_VARIABLE . '$/u', $property)) { return $match[0]; } return '.' . $property; }; / * Figure out if previous character is a variable name (of the array * we want to use property notation on) - this is to make sure * standalone ['value'] arrays aren't confused for keys-of-an-array. * We can (and only have to) check the last character, because PHP's * regex implementation doesn't allow unfixed-length look-behind * assertions. / preg_match('/(\[[^\]]+\])[^\]]$/', static::REGEX_VARIABLE, $previousChar); $previousChar = $previousChar[1]; /* * Make sure word preceding the ['value'] is not a keyword, e.g. * return['x']. Because -again- PHP's regex implementation doesn't allow * unfixed-length look-behind assertions, I'm just going to do a lot of * separate look-behind assertions, one for each keyword. / $keywords = $this->getKeywordsForRegex($keywords); $keywords = '(?<!' . implode(')(?<!', $keywords) . ')'; return preg_replace_callback('/(?<=' . $previousChar . '\|\])' . $keywords . '\[\s(([\'"])[0-9]+\\2)\s\]/u', $callback, $content); } /* * Replaces true & false by !0 and !1. * * @param string $content * * @return string / protected function shortenBools($content) { / * 'true' or 'false' could be used as property names (which may be * followed by whitespace) - we must not replace those! * Since PHP doesn't allow variable-length (to account for the * whitespace) lookbehind assertions, I need to capture the leading * character and check if it's a `.` / $callback = function ($match) { if (trim((string) $match[1]) === '.') { return $match[0]; } return $match[1] . ($match[2] === 'true' ? '!0' : '!1'); }; $content = preg_replace_callback('/(^\|.\s)\b(true\|false)\b(?!:)/', $callback, $content); // for(;;) is exactly the same as while(true), but shorter :) $content = preg_replace('/\bwhile$!0${/', 'for(;;){', $content); // now make sure we didn't turn any do ... while(true) into do ... for(;;) preg_match_all('/\bdo\b/', $content, $dos, PREG_OFFSET_CAPTURE \| PREG_SET_ORDER); // go backward to make sure positional offsets aren't altered when $content changes $dos = array_reverse($dos); foreach ($dos as $do) { $offsetDo = $do[0][1]; // find all `while` (now `for`) following `do`: one of those must be // associated with the `do` and be turned back into `while` preg_match_all('/\bfor$;;$/', $content, $whiles, PREG_OFFSET_CAPTURE \| PREG_SET_ORDER, $offsetDo); foreach ($whiles as $while) { $offsetWhile = $while[0][1]; $open = substr_count($content, '{', $offsetDo, $offsetWhile - $offsetDo); $close = substr_count($content, '}', $offsetDo, $offsetWhile - $offsetDo); if ($open === $close) { // only restore `while` if amount of `{` and `}` are the same; // otherwise, that `for` isn't associated with this `do` $content = substr_replace($content, 'while(!0)', $offsetWhile, strlen('for(;;)')); break; } } } return $content; } } PK��!�d-�z��z��src/Path/Converter.phpnu��[��<?php /** * Convert paths relative from 1 file to another. * * E.g. * ../../images/icon.jpg relative to /css/imports/icons.css * becomes * ../images/icon.jpg relative to /css/minified.css * * Please report bugs on https://github.com/matthiasmullie/path-converter/issues * * @author Matthias Mullie <pathconverter@mullie.eu> * @copyright Copyright (c) 2015, Matthias Mullie. All rights reserved * @license MIT License / namespace VDM\Minify\Path; use VDM\Minify\Path\Interfaces\ConverterInterface; class Converter implements ConverterInterface { /* * @var string / protected $from; /* * @var string / protected $to; /* * @param string $from The original base path (directory, not file!) * @param string $to The new base path (directory, not file!) * @param string $root Root directory (defaults to `getcwd`) / public function __construct($from, $to, $root = '') { $shared = $this->shared($from, $to); if ($shared === '') { // when both paths have nothing in common, one of them is probably // absolute while the other is relative $root = $root ?: getcwd(); $from = strpos($from, $root) === 0 ? $from : preg_replace('/\/+/', '/', $root . '/' . $from); $to = strpos($to, $root) === 0 ? $to : preg_replace('/\/+/', '/', $root . '/' . $to); // or traveling the tree via `..` // attempt to resolve path, or assume it's fine if it doesn't exist $from = @realpath($from) ?: $from; $to = @realpath($to) ?: $to; } $from = $this->dirname($from); $to = $this->dirname($to); $from = $this->normalize($from); $to = $this->normalize($to); $this->from = $from; $this->to = $to; } /* * Normalize path. * * @param string $path * * @return string / protected function normalize($path) { // deal with different operating systems' directory structure $path = rtrim(str_replace(DIRECTORY_SEPARATOR, '/', $path), '/'); // remove leading current directory. if (substr($path, 0, 2) === './') { $path = substr($path, 2); } // remove references to current directory in the path. $path = str_replace('/./', '/', $path); / * Example: * /home/forkcms/frontend/cache/compiled_templates/../../core/layout/css/../images/img.gif * to * /home/forkcms/frontend/core/layout/images/img.gif / do { $path = preg_replace('/[^\/]+(?<!\.\.)\/\.\.\//', '', $path, -1, $count); } while ($count); return $path; } /* * Figure out the shared path of 2 locations. * * Example: * /home/forkcms/frontend/core/layout/images/img.gif * and * /home/forkcms/frontend/cache/minified_css * share * /home/forkcms/frontend * * @param string $path1 * @param string $path2 * * @return string / protected function shared($path1, $path2) { // $path could theoretically be empty (e.g. no path is given), in which // case it shouldn't expand to array(''), which would compare to one's // root / $path1 = $path1 ? explode('/', $path1) : []; $path2 = $path2 ? explode('/', $path2) : []; $shared = []; // compare paths & strip identical ancestors foreach ($path1 as $i => $chunk) { if (isset($path2[$i]) && $path1[$i] == $path2[$i]) { $shared[] = $chunk; } else { break; } } return implode('/', $shared); } /* * Convert paths relative from 1 file to another. * * E.g. * ../images/img.gif relative to /home/forkcms/frontend/core/layout/css * should become: * ../../core/layout/images/img.gif relative to * /home/forkcms/frontend/cache/minified_css * * @param string $path The relative path that needs to be converted * * @return string The new relative path / public function convert($path) { // quit early if conversion makes no sense if ($this->from === $this->to) { return $path; } $path = $this->normalize($path); // if we're not dealing with a relative path, just return absolute if (strpos($path, '/') === 0) { return $path; } // normalize paths $path = $this->normalize($this->from . '/' . $path); // strip shared ancestor paths $shared = $this->shared($path, $this->to); $path = mb_substr($path, mb_strlen($shared)); $to = mb_substr($this->to, mb_strlen($shared)); // add .. for every directory that needs to be traversed to new path $to = str_repeat('../', count(array_filter(explode('/', $to)))); return $to . ltrim($path, '/'); } /* * Attempt to get the directory name from a path. * * @param string $path * * @return string / protected function dirname($path) { if (@is_file($path)) { return dirname($path); } if (@is_dir($path)) { return rtrim($path, '/'); } // no known file/dir, start making assumptions // ends in / = dir if (mb_substr($path, -1) === '/') { return rtrim($path, '/'); } // has a dot in the name, likely a file if (preg_match('/.\..$/', basename($path)) !== 0) { return dirname($path); } // you're on your own here! return $path; } } PK��!��>�7����src/Path/Interfaces/ConverterInterface.phpnu��[��<?php /** * Convert file paths. * * Please report bugs on https://github.com/matthiasmullie/path-converter/issues * * @author Matthias Mullie <pathconverter@mullie.eu> * @copyright Copyright (c) 2015, Matthias Mullie. All rights reserved * @license MIT License / namespace VDM\Minify\Path\Interfaces; interface ConverterInterface { /* * Convert file paths. * * @param string $path The path to be converted * * @return string The new path / public function convert($path); } PK��!��#o,��,��src/Path/Interfaces/index.htmlnu��[��<html><body bgcolor="#FFFFFF"></body></html>PK��!��#o,��,��src/Path/index.htmlnu��[��<html><body bgcolor="#FFFFFF"></body></html>PK��!��#o,��,��src/index.htmlnu��[��<html><body bgcolor="#FFFFFF"></body></html>PK��!��#o,��,�� index.htmlnu��[��PK��!�x9�N��N��"��f��src/Abstraction/BasicException.phpnu��[��PK��!��,PaB��aB��src/Abstraction/Minify.phpnu��[��PK��!��#o,��,��E��src/Abstraction/index.htmlnu��[��PK��!��d�em��em��'F��src/Css.phpnu��[��PK��!��F��&��ǳ��src/Exceptions/FileImportException.phpnu��[��PK��!�'W�W��src/Exceptions/IOException.phpnu��[��PK��!��#o,��,��src/Exceptions/index.htmlnu��[��PK��!�j��src/JavaScript.phpnu��[��PK��!�d-�z��z��Lg�src/Path/Converter.phpnu��[��PK��!��>�7����src/Path/Interfaces/ConverterInterface.phpnu��[��PK��!��#o,��,��src/Path/Interfaces/index.htmlnu��[��PK��!��#o,��,��src/Path/index.htmlnu��[��PK��!��#o,��,��k��src/index.htmlnu��[��PK��Ղ��

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