diff --git a/framework/library/vendor/matthiasmullie/minify/CONTRIBUTING.md b/framework/library/vendor/matthiasmullie/minify/CONTRIBUTING.md deleted file mode 100644 index 226cf976..00000000 --- a/framework/library/vendor/matthiasmullie/minify/CONTRIBUTING.md +++ /dev/null @@ -1,59 +0,0 @@ -# How to contribute - - -## Issues - -When [filing bugs](https://github.com/matthiasmullie/minify/issues/new), -try to be as thorough as possible: -* What version did you use? -* What did you try to do? ***Please post the relevant parts of your code.*** -* What went wrong? ***Please include error messages, if any.*** -* What was the expected result? - - -## Pull requests - -Bug fixes and general improvements to the existing codebase are always welcome. -New features are also welcome, but will be judged on an individual basis. If -you'd rather not risk wasting your time implementing a new feature only to see -it turned down, please start the discussion by -[opening an issue](https://github.com/matthiasmullie/minify/issues/new). - -Don't forget to add your changes to the [changelog](CHANGELOG.md). - - -### Testing - -Please include tests for every change or addition to the code. -To run the complete test suite: - -```sh -vendor/bin/phpunit -``` - -When submitting a new pull request, please make sure that that the test suite -passes (Travis CI will run it & report back on your pull request.) - -To run the tests on Windows, run `tests/convert_symlinks_to_windows_style.sh` -from the command line in order to convert Linux-style test symlinks to -Windows-style. - - -### Coding standards - -All code must follow [PSR-2](http://www.php-fig.org/psr/psr-2/). Just make sure -to run php-cs-fixer before submitting the code, it'll take care of the -formatting for you: - -```sh -vendor/bin/php-cs-fixer fix src -vendor/bin/php-cs-fixer fix tests -``` - -Document the code thoroughly! - - -## License - -Note that minify is MIT-licensed, which basically allows anyone to do -anything they like with it, without restriction. diff --git a/framework/library/vendor/matthiasmullie/minify/Dockerfile b/framework/library/vendor/matthiasmullie/minify/Dockerfile deleted file mode 100644 index d17f9d74..00000000 --- a/framework/library/vendor/matthiasmullie/minify/Dockerfile +++ /dev/null @@ -1,13 +0,0 @@ -ARG version=cli -FROM php:$version - -COPY . /var/www -WORKDIR /var/www - -RUN apt-get update -RUN apt-get install -y zip unzip zlib1g-dev -RUN docker-php-ext-install zip -RUN docker-php-ext-install pcntl -RUN curl -sS https://getcomposer.org/installer | php -RUN mv composer.phar /usr/local/bin/composer -RUN composer install diff --git a/framework/library/vendor/matthiasmullie/minify/bin/minifycss b/framework/library/vendor/matthiasmullie/minify/bin/minifycss old mode 100644 new mode 100755 diff --git a/framework/library/vendor/matthiasmullie/minify/bin/minifyjs b/framework/library/vendor/matthiasmullie/minify/bin/minifyjs old mode 100644 new mode 100755 diff --git a/framework/library/vendor/matthiasmullie/minify/composer.json b/framework/library/vendor/matthiasmullie/minify/composer.json index 6d81b4f9..4b840a1c 100644 --- a/framework/library/vendor/matthiasmullie/minify/composer.json +++ b/framework/library/vendor/matthiasmullie/minify/composer.json @@ -3,12 +3,12 @@ "type": "library", "description": "CSS & JavaScript minifier, in PHP. Removes whitespace, strips comments, combines files (incl. @import statements and small assets in CSS files), and optimizes/shortens a few common programming patterns.", "keywords": ["minify", "minifier", "css", "js", "javascript"], - "homepage": "http://www.minifier.org", + "homepage": "https://github.com/matthiasmullie/minify", "license": "MIT", "authors": [ { "name": "Matthias Mullie", - "homepage": "http://www.mullie.eu", + "homepage": "https://www.mullie.eu", "email": "minify@mullie.eu", "role": "Developer" } @@ -19,9 +19,10 @@ "matthiasmullie/path-converter": "~1.1" }, "require-dev": { - "matthiasmullie/scrapbook": "~1.0", - "phpunit/phpunit": "~4.8", - "friendsofphp/php-cs-fixer": "~2.0" + "friendsofphp/php-cs-fixer": ">=2.0", + "matthiasmullie/scrapbook": ">=1.3", + "phpunit/phpunit": ">=4.8", + "squizlabs/php_codesniffer": ">=3.0" }, "suggest": { "psr/cache-implementation": "Cache implementation to use with Minify::cache" @@ -31,6 +32,11 @@ "MatthiasMullie\\Minify\\": "src/" } }, + "autoload-dev": { + "psr-4": { + "MatthiasMullie\\Minify\\Tests\\": "tests/" + } + }, "bin": [ "bin/minifycss", "bin/minifyjs" diff --git a/framework/library/vendor/matthiasmullie/minify/docker-compose.yml b/framework/library/vendor/matthiasmullie/minify/docker-compose.yml deleted file mode 100644 index 5413e24b..00000000 --- a/framework/library/vendor/matthiasmullie/minify/docker-compose.yml +++ /dev/null @@ -1,31 +0,0 @@ -version: '2.1' -services: - php: - build: - context: . - dockerfile: Dockerfile - volumes: - - ./src:/var/www/src - - ./data:/var/www/data - - ./tests:/var/www/tests - - ./phpunit.xml.dist:/var/www/phpunit.xml.dist - '7.2': - extends: php - build: - args: - version: 7.2-cli - '7.1': - extends: php - build: - args: - version: 7.1-cli - '7.0': - extends: php - build: - args: - version: 7.0-cli - '5.6': - extends: php - build: - args: - version: 5.6-cli diff --git a/framework/library/vendor/matthiasmullie/minify/ruleset.xml b/framework/library/vendor/matthiasmullie/minify/ruleset.xml new file mode 100644 index 00000000..cbb5f5d0 --- /dev/null +++ b/framework/library/vendor/matthiasmullie/minify/ruleset.xml @@ -0,0 +1,10 @@ + + + + + ./src + ./tests + + + + diff --git a/framework/library/vendor/matthiasmullie/minify/src/CSS.php b/framework/library/vendor/matthiasmullie/minify/src/CSS.php index 89fcf1bb..09cedeee 100644 --- a/framework/library/vendor/matthiasmullie/minify/src/CSS.php +++ b/framework/library/vendor/matthiasmullie/minify/src/CSS.php @@ -1,6 +1,7 @@ * @author Tijs Verkoyen * @copyright Copyright (c) 2012, Matthias Mullie. All rights reserved @@ -44,6 +44,10 @@ class CSS extends Minify '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', @@ -93,7 +97,7 @@ protected function moveImportsToTop($content) } // add to top - $content = implode(';', $matches[2]).';'.trim($content, ';'); + $content = implode(';', $matches[2]) . ';' . trim($content, ';'); } return $content; @@ -102,8 +106,8 @@ protected function moveImportsToTop($content) /** * Combine CSS from import statements. * - * @import's will be loaded and their content merged into the original file, - * to save HTTP requests. + * 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 $content The CSS content to combine imports for @@ -200,7 +204,7 @@ protected function combineImports($source, $content, $parents) // loop the matches foreach ($matches as $match) { // get the path for the file that will be imported - $importPath = dirname($source).'/'.$match['path']; + $importPath = dirname($source) . '/' . $match['path']; // only replace the import with the content if we can grab the // content of the file @@ -211,19 +215,19 @@ protected function combineImports($source, $content, $parents) // check if current file was not imported previously in the same // import chain. if (in_array($importPath, $parents)) { - throw new FileImportException('Failed to import file "'.$importPath.'": circular reference detected.'); + 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) - $minifier = new static($importPath); + $minifier = new self($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.'}'; + $importContent = '@media ' . $match['media'] . '{' . $importContent . '}'; } // add to replacement array @@ -262,7 +266,7 @@ protected function importFiles($source, $content) // get the path for the file that will be imported $path = $match[2]; - $path = dirname($source).'/'.$path; + $path = dirname($source) . '/' . $path; // only replace the import with the content if we're able to get // the content of the file, and it's relatively small @@ -273,7 +277,7 @@ protected function importFiles($source, $content) // build replacement $search[] = $match[0]; - $replace[] = 'url('.$this->importExtensions[$extension].';base64,'.$importContent.')'; + $replace[] = 'url(' . $this->importExtensions[$extension] . ';base64,' . $importContent . ')'; } } @@ -289,7 +293,7 @@ protected function importFiles($source, $content) * Perform CSS optimizations. * * @param string[optional] $path Path to write the data to - * @param string[] $parents Parent paths, for circular reference checks + * @param string[] $parents Parent paths, for circular reference checks * * @return string The minified data */ @@ -307,7 +311,8 @@ public function execute($path = null, $parents = array()) */ $this->extractStrings(); $this->stripComments(); - $this->extractCalcs(); + $this->extractMath(); + $this->extractCustomProperties(); $css = $this->replace($css); $css = $this->stripWhitespace($css); @@ -464,9 +469,9 @@ protected function move(ConverterInterface $converter, $content) // build replacement $search[] = $match[0]; if ($type === 'url') { - $replace[] = 'url('.$url.')'; + $replace[] = 'url(' . $url . ')'; } elseif ($type === 'import') { - $replace[] = '@import "'.$url.'"'; + $replace[] = '@import "' . $url . '"'; } } @@ -525,7 +530,7 @@ protected function shortenColors($content) ); return preg_replace_callback( - '/(?<=[: ])('.implode('|', array_keys($colors)).')(?=[; }])/i', + '/(?<=[: ])(' . implode('|', array_keys($colors)) . ')(?=[; }])/i', function ($match) use ($colors) { return $colors[strtoupper($match[0])]; }, @@ -548,10 +553,10 @@ protected function shortenFontWeights($content) ); $callback = function ($match) use ($weights) { - return $match[1].$weights[$match[2]]; + return $match[1] . $weights[$match[2]]; }; - return preg_replace_callback('/(font-weight\s*:\s*)('.implode('|', array_keys($weights)).')(?=[;}])/', $callback, $content); + return preg_replace_callback('/(font-weight\s*:\s*)(' . implode('|', array_keys($weights)) . ')(?=[;}])/', $callback, $content); } /** @@ -583,19 +588,19 @@ protected function shortenZeroes($content) // 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); + $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); + $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); + $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); + $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); + $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); + $content = preg_replace('/' . $before . '-?0+' . $units . '?' . $after . '/', '0\\1', $content); // IE doesn't seem to understand a unitless flex-basis value (correct - // it goes against the spec), so let's add it in again (make it `%`, @@ -627,18 +632,7 @@ protected function stripEmptyTags($content) */ 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', ''); + $this->stripMultilineComments(); } /** @@ -669,7 +663,7 @@ protected function stripWhitespace($content) // 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); + $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(';}', '}', $content); @@ -678,38 +672,71 @@ protected function stripWhitespace($content) } /** - * Replace all `calc()` occurrences. + * Replace all occurrences of functions that may contain math, where + * whitespace around operators needs to be preserved (e.g. calc, clamp). */ - protected function extractCalcs() + 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) { - $length = strlen($match[1]); + $callback = function ($match) use ($minifier, $pattern, &$callback) { + $function = $match[1]; + $length = strlen($match[2]); $expr = ''; $opened = 0; - for ($i = 0; $i < $length; $i++) { - $char = $match[1][$i]; + // 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 === '(') { - $opened++; + ++$opened; } elseif ($char === ')' && --$opened === 0) { break; } } - $rest = str_replace($expr, '', $match[1]); - $expr = trim(substr($expr, 1, -1)); + // now that we've figured out where the calc() starts and ends, extract it $count = count($minifier->extracted); - $placeholder = 'calc('.$count.')'; - $minifier->extracted[$placeholder] = 'calc('.$expr.')'; + $placeholder = 'math(' . $count . ')'; + $minifier->extracted[$placeholder] = $function . '(' . trim(substr($expr, 1, -1)) . ')'; - return $placeholder.$rest; + // 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('/calc(\(.+?)(?=$|;|}|calc\()/', $callback); - $this->registerPattern('/calc(\(.+?)(?=$|;|}|calc\()/m', $callback); + $this->registerPattern($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] = $match[1] . ':' . trim($match[2]); + + return $placeholder; + } + ); } /** diff --git a/framework/library/vendor/matthiasmullie/minify/src/Exception.php b/framework/library/vendor/matthiasmullie/minify/src/Exception.php index d03898f0..1c947a94 100644 --- a/framework/library/vendor/matthiasmullie/minify/src/Exception.php +++ b/framework/library/vendor/matthiasmullie/minify/src/Exception.php @@ -1,18 +1,20 @@ */ + namespace MatthiasMullie\Minify; /** - * Base Exception Class + * Base Exception Class. + * * @deprecated Use Exceptions\BasicException instead * - * @package Minify * @author Matthias Mullie */ abstract class Exception extends \Exception diff --git a/framework/library/vendor/matthiasmullie/minify/src/Exceptions/BasicException.php b/framework/library/vendor/matthiasmullie/minify/src/Exceptions/BasicException.php index af5e81bc..78fbb21f 100644 --- a/framework/library/vendor/matthiasmullie/minify/src/Exceptions/BasicException.php +++ b/framework/library/vendor/matthiasmullie/minify/src/Exceptions/BasicException.php @@ -1,6 +1,7 @@ */ abstract class BasicException extends Exception diff --git a/framework/library/vendor/matthiasmullie/minify/src/Exceptions/FileImportException.php b/framework/library/vendor/matthiasmullie/minify/src/Exceptions/FileImportException.php index 912a2c90..36d0fca3 100644 --- a/framework/library/vendor/matthiasmullie/minify/src/Exceptions/FileImportException.php +++ b/framework/library/vendor/matthiasmullie/minify/src/Exceptions/FileImportException.php @@ -1,6 +1,7 @@ */ class FileImportException extends BasicException diff --git a/framework/library/vendor/matthiasmullie/minify/src/Exceptions/IOException.php b/framework/library/vendor/matthiasmullie/minify/src/Exceptions/IOException.php index b172eb48..12fb01ec 100644 --- a/framework/library/vendor/matthiasmullie/minify/src/Exceptions/IOException.php +++ b/framework/library/vendor/matthiasmullie/minify/src/Exceptions/IOException.php @@ -1,6 +1,7 @@ */ class IOException extends BasicException diff --git a/framework/library/vendor/matthiasmullie/minify/src/JS.php b/framework/library/vendor/matthiasmullie/minify/src/JS.php index 92389cdd..d592b08b 100644 --- a/framework/library/vendor/matthiasmullie/minify/src/JS.php +++ b/framework/library/vendor/matthiasmullie/minify/src/JS.php @@ -1,6 +1,7 @@ * @author Tijs Verkoyen * @copyright Copyright (c) 2012, Matthias Mullie. All rights reserved @@ -29,6 +30,8 @@ class JS extends Minify * 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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@@ -124,16 +127,16 @@ class JS extends Minify */ public function __construct() { - call_user_func_array(array('parent', '__construct'), func_get_args()); + call_user_func_array(array('\\MatthiasMullie\Minify\\Minify', '__construct'), func_get_args()); - $dataDir = __DIR__.'/../data/js/'; + $dataDir = __DIR__ . '/../data/js/'; $options = FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES; - $this->keywordsReserved = file($dataDir.'keywords_reserved.txt', $options); - $this->keywordsBefore = file($dataDir.'keywords_before.txt', $options); - $this->keywordsAfter = file($dataDir.'keywords_after.txt', $options); - $this->operators = file($dataDir.'operators.txt', $options); - $this->operatorsBefore = file($dataDir.'operators_before.txt', $options); - $this->operatorsAfter = file($dataDir.'operators_after.txt', $options); + $this->keywordsReserved = file($dataDir . 'keywords_reserved.txt', $options); + $this->keywordsBefore = file($dataDir . 'keywords_before.txt', $options); + $this->keywordsAfter = file($dataDir . 'keywords_after.txt', $options); + $this->operators = file($dataDir . 'operators.txt', $options); + $this->operatorsBefore = file($dataDir . 'operators_before.txt', $options); + $this->operatorsAfter = file($dataDir . 'operators_after.txt', $options); } /** @@ -174,7 +177,7 @@ public function execute($path = null) $js = $this->stripWhitespace($js); // combine js: separating the scripts by a ; - $content .= $js.";"; + $content .= $js . ';'; } // clean up leftover `;`s from the combination of multiple scripts @@ -195,18 +198,7 @@ public function execute($path = null) */ 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; - }; - // multi-line comments - $this->registerPattern('/\n?\/\*(!|.*?@license|.*?@preserve).*?\*\/\n?/s', $callback); - $this->registerPattern('/\/\*.*?\*\//s', ''); + $this->stripMultilineComments(); // single-line comments $this->registerPattern('/\/\/.*$/m', ''); @@ -235,7 +227,7 @@ protected function extractRegex() $minifier = $this; $callback = function ($match) use ($minifier) { $count = count($minifier->extracted); - $placeholder = '"'.$count.'"'; + $placeholder = '"' . $count . '"'; $minifier->extracted[$placeholder] = $match[0]; return $placeholder; @@ -254,7 +246,7 @@ protected function extractRegex() // 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*'; + $before = '(^|[=:,;\+\-\*\?\/\}\(\{\[&\|!]|' . implode('|', $keywords) . ')\s*'; $propertiesAndMethods = array( // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp#Properties_2 'constructor', @@ -274,8 +266,8 @@ protected function extractRegex() ); $delimiters = array_fill(0, count($propertiesAndMethods), '/'); $propertiesAndMethods = array_map('preg_quote', $propertiesAndMethods, $delimiters); - $after = '(?=\s*([\.,;\)\}&\|+]|\/\/|$|\.('.implode('|', $propertiesAndMethods).')))'; - $this->registerPattern('/'.$before.'\K'.$pattern.$after.'/', $callback); + $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 @@ -289,8 +281,8 @@ protected function extractRegex() // if a regex following `)` is not followed by `.`, // it's quite likely not a regex $before = '\)\s*'; - $after = '(?=\s*\.('.implode('|', $propertiesAndMethods).'))'; - $this->registerPattern('/'.$before.'\K'.$pattern.$after.'/', $callback); + $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 @@ -298,8 +290,8 @@ protected function extractRegex() // (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); + $after = '(?=\s*\n\s*(' . implode('|', $operators) . '))'; + $this->registerPattern('/' . $pattern . $after . '/', $callback); } /** @@ -343,8 +335,8 @@ protected function stripWhitespace($content) unset($operatorsBefore['+'], $operatorsBefore['-'], $operatorsAfter['+'], $operatorsAfter['-']); $content = preg_replace( array( - '/('.implode('|', $operatorsBefore).')\s+/', - '/\s+('.implode('|', $operatorsAfter).')/', + '/(' . implode('|', $operatorsBefore) . ')\s+/', + '/\s+(' . implode('|', $operatorsAfter) . ')/', ), '\\1', $content @@ -361,8 +353,8 @@ protected function stripWhitespace($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); + $content = preg_replace('/(^|[;\}\s])\K(' . implode('|', $keywordsBefore) . ')\s+/', '\\2 ', $content); + $content = preg_replace('/\s+(' . implode('|', $keywordsAfter) . ')(?=([;\{\s]|$))/', ' \\1', $content); /* * We didn't strip whitespace after a couple of operators because they @@ -372,8 +364,8 @@ protected function stripWhitespace($content) */ $operatorsDiffBefore = array_diff($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); + $content = preg_replace('/(' . implode('|', $operatorsDiffBefore) . ')[^\S\n]+/', '\\1', $content); + $content = preg_replace('/[^\S\n]+(' . implode('|', $operatorsDiffAfter) . ')/', '\\1', $content); /* * Whitespace after `return` can be omitted in a few occasions @@ -405,9 +397,26 @@ protected function stripWhitespace($content) * 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%&|', $delimiter); - $operators['='] = '(?getKeywordsForRegex($keywords); - $keywords = '(? * @copyright Copyright (c) 2012, Matthias Mullie. All rights reserved * @license MIT License @@ -44,6 +45,8 @@ abstract class Minify * 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 $extracted = array(); @@ -105,7 +108,7 @@ public function add($data /* $data = null, ... */) * @param string|string[] $data * * @return static - * + * * @throws IOException */ public function addFile($data /* $data = null, ... */) @@ -128,7 +131,7 @@ public function addFile($data /* $data = null, ... */) // check if we can read the file if (!$this->canImportFile($path)) { - throw new IOException('The file "'.$path.'" could not be opened for reading. Check if PHP has enough permissions.'); + throw new IOException('The file "' . $path . '" could not be opened for reading. Check if PHP has enough permissions.'); } $this->add($path); @@ -243,6 +246,9 @@ protected function save($content, $path) /** * 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 $replacement Replacement value for matched pattern */ @@ -254,6 +260,49 @@ protected function registerPattern($pattern, $replacement = '') $this->patterns[] = array($pattern, $replacement); } + /** + * Both JS and CSS use the same form of multi-line comment, so putting the common code here. + */ + protected function stripMultilineComments() + { + // First extract comments we want to keep, so they can be restored later + // 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('/ + # optional newline + \n? + + # start comment + \/\* + + # comment content + (?: + # either starts with an ! + ! + | + # or, after some number of characters which do not end the comment + (?:(?!\*\/).)*? + + # there is either a @license or @preserve tag + @(?:license|preserve) + ) + + # then match to the end of the comment + .*?\*\/\n? + + /ixs', $callback); + + // Then strip all other comments + $this->registerPattern('/\/\*.*?\*\//s', ''); + } + /** * We can't "just" run some regular expressions against JavaScript: it's a * complex language. E.g. having an occurrence of // xyz would be a comment, @@ -268,11 +317,13 @@ protected function registerPattern($pattern, $replacement = '') */ protected function replace($content) { - $processed = ''; + $contentLength = strlen($content); + $output = ''; + $processedOffset = 0; $positions = array_fill(0, count($this->patterns), -1); $matches = array(); - while ($content) { + while ($processedOffset < $contentLength) { // find first match for all patterns foreach ($this->patterns as $i => $pattern) { list($pattern, $replacement) = $pattern; @@ -285,12 +336,12 @@ protected function replace($content) // no need to re-run matches that are still in the part of the // content that hasn't been processed - if ($positions[$i] >= 0) { + if ($positions[$i] >= $processedOffset) { continue; } $match = null; - if (preg_match($pattern, $content, $match, PREG_OFFSET_CAPTURE)) { + if (preg_match($pattern, $content, $match, PREG_OFFSET_CAPTURE, $processedOffset)) { $matches[$i] = $match; // we'll store the match position as well; that way, we @@ -307,61 +358,53 @@ protected function replace($content) // no more matches to find: everything's been processed, break out if (!$matches) { - $processed .= $content; + // 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) - $discardLength = min($positions); - $firstPattern = array_search($discardLength, $positions); - $match = $matches[$firstPattern][0][0]; + $matchOffset = min($positions); + $firstPattern = array_search($matchOffset, $positions); + $match = $matches[$firstPattern]; // execute the pattern that matches earliest in the content string - list($pattern, $replacement) = $this->patterns[$firstPattern]; - $replacement = $this->replacePattern($pattern, $replacement, $content); - - // figure out which part of the string was unmatched; that's the - // part we'll execute the patterns on again next - $content = (string) substr($content, $discardLength); - $unmatched = (string) substr($content, strpos($content, $match) + strlen($match)); - - // move the replaced part to $processed and prepare $content to - // again match batch of patterns against - $processed .= substr($replacement, 0, strlen($replacement) - strlen($unmatched)); - $content = $unmatched; - - // first match has been replaced & that content is to be left alone, - // the next matches will start after this replacement, so we should - // fix their offsets - foreach ($positions as $i => $position) { - $positions[$i] -= $discardLength + strlen($match); - } + 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 $processed; + return $output; } /** - * This is where a pattern is matched against $content and the matches - * are replaced by their respective value. - * This function will be called plenty of times, where $content will always - * move up 1 character. + * If $replacement is a callback, execute it, passing in the match data. + * If it's a string, just pass it through. * - * @param string $pattern Pattern to match * @param string|callable $replacement Replacement value - * @param string $content Content to match pattern against + * @param array $match Match data, in PREG_OFFSET_CAPTURE form * * @return string */ - protected function replacePattern($pattern, $replacement, $content) + protected function executeReplacement($replacement, $match) { - if (is_callable($replacement)) { - return preg_replace_callback($pattern, $replacement, $content, 1, $count); - } else { - return preg_replace($pattern, $replacement, $content, 1, $count); + if (!is_callable($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); } /** @@ -395,8 +438,8 @@ protected function extractStrings($chars = '\'"', $placeholderPrefix = '') } $count = count($minifier->extracted); - $placeholder = $match[1].$placeholderPrefix.$count.$match[1]; - $minifier->extracted[$placeholder] = $match[1].$match[2].$match[1]; + $placeholder = $match[1] . $placeholderPrefix . $count . $match[1]; + $minifier->extracted[$placeholder] = $match[1] . $match[2] . $match[1]; return $placeholder; }; @@ -413,7 +456,7 @@ protected function extractStrings($chars = '\'"', $placeholderPrefix = '') * considered as escape-char (times 2) and to get it in the regex, * escaped (times 2) */ - $this->registerPattern('/(['.$chars.'])(.*?(?registerPattern('/([' . $chars . '])(.*?(?