albertlast / SMF2.1

Sources/minify/src/Converter.php

Indentation +169 added lines, -169 removed lines

@@ -18,178 +18,178 @@
  */
 class Converter
 {
-    /**
-     * @var string
-     */
-    protected $from;
-
-    /**
-     * @var string
-     */
-    protected $to;
-
-    /**
-     * @param string $from The original base path (directory, not file!)
-     * @param string $to   The new base path (directory, not file!)
-     */
-    public function __construct($from, $to)
-    {
-        $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
-            $cwd = getcwd();
-            $from = strpos($from, $cwd) === 0 ? $from : $cwd.'/'.$from;
-            $to = strpos($to, $cwd) === 0 ? $to : $cwd.'/'.$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 = $this->normalize($from);
-        $to = $this->normalize($to);
-
-        $from = $this->dirname($from);
-        $to = $this->dirname($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), '/');
-
-        /*
+	/**
+	 * @var string
+	 */
+	protected $from;
+
+	/**
+	 * @var string
+	 */
+	protected $to;
+
+	/**
+	 * @param string $from The original base path (directory, not file!)
+	 * @param string $to   The new base path (directory, not file!)
+	 */
+	public function __construct($from, $to)
+	{
+		$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
+			$cwd = getcwd();
+			$from = strpos($from, $cwd) === 0 ? $from : $cwd.'/'.$from;
+			$to = strpos($to, $cwd) === 0 ? $to : $cwd.'/'.$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 = $this->normalize($from);
+		$to = $this->normalize($to);
+
+		$from = $this->dirname($from);
+		$to = $this->dirname($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), '/');
+
+		/*
          * 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) : array();
-        $path2 = $path2 ? explode('/', $path2) : array();
-
-        $shared = array();
-
-        // compare paths & strip identical ancestors
-        foreach ($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
-        $to = str_repeat('../', mb_substr_count($to, '/'));
-
-        return $to.ltrim($path, '/');
-    }
-
-    /**
-     * Attempt to get the directory name from a path.
-     *
-     * @param string $path
-     *
-     * @return string
-     */
-    public function dirname($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;
-    }
+		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) : array();
+		$path2 = $path2 ? explode('/', $path2) : array();
+
+		$shared = array();
+
+		// compare paths & strip identical ancestors
+		foreach ($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
+		$to = str_repeat('../', mb_substr_count($to, '/'));
+
+		return $to.ltrim($path, '/');
+	}
+
+	/**
+	 * Attempt to get the directory name from a path.
+	 *
+	 * @param string $path
+	 *
+	 * @return string
+	 */
+	public function dirname($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;
+	}
 }

Sources/minify/src/CSS.php

Indentation +412 added lines, -412 removed lines

@@ -17,97 +17,97 @@ 
  */
 class CSS extends Minify
 {
-    /**
-     * @var int
-     */
-    protected $maxImportSize = 5;
-
-    /**
-     * @var string[]
-     */
-    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',
-        '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[^;]+;/', $content, $matches)) {
-
-            // remove from content
-            foreach ($matches[0] as $import) {
-                $content = str_replace($import, '', $content);
-            }
-
-            // add to top
-            $content = implode('', $matches[0]).$content;
-        };
-
-        return $content;
-    }
-
-    /**
-     * Combine CSS from import statements.
-     *
-     * @import's 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)
-            '/
+	/**
+	 * @var int
+	 */
+	protected $maxImportSize = 5;
+
+	/**
+	 * @var string[]
+	 */
+	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',
+		'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[^;]+;/', $content, $matches)) {
+
+			// remove from content
+			foreach ($matches[0] as $import) {
+				$content = str_replace($import, '', $content);
+			}
+
+			// add to top
+			$content = implode('', $matches[0]).$content;
+		};
+
+		return $content;
+	}
+
+	/**
+	 * Combine CSS from import statements.
+	 *
+	 * @import's 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
 
@@ -152,8 +152,8 @@ 
 
             /ix',
 
-            // @import 'xxx'
-            '/
+			// @import 'xxx'
+			'/
 
             # import statement
             @import
@@ -192,172 +192,172 @@ 
             ;?
 
             /ix',
-        );
-
-        // find all relative imports in css
-        $matches = array();
-        foreach ($importRegexes as $importRegex) {
-            if (preg_match_all($importRegex, $content, $regexMatches, PREG_SET_ORDER)) {
-                $matches = array_merge($matches, $regexMatches);
-            }
-        }
-
-        $search = array();
-        $replace = array();
-
-        // loop the matches
-        foreach ($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->canImportFile($importPath)) {
-                // check if current file was not imported previously in the same
-                // import chain.
-                if (in_array($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)
-                $minifier = new static($importPath);
-                $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
-        $content = str_replace($search, $replace, $content);
-
-        return $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)
-    {
-        $extensions = array_keys($this->importExtensions);
-        $regex = '/url\((["\']?)((?!["\']?data:).*?\.('.implode('|', $extensions).'))\\1\)/i';
-        if ($extensions && preg_match_all($regex, $content, $matches, PREG_SET_ORDER)) {
-            $search = array();
-            $replace = array();
-
-            // loop the matches
-            foreach ($matches as $match) {
-                // get the path for the file that will be imported
-                $path = $match[2];
-                $path = dirname($source).'/'.$path;
-                $extension = $match[3];
-
-                // only replace the import with the content if we're able to get
-                // the content of the file, and it's relatively small
-                if ($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 = array())
-    {
-        $content = '';
-
-        // loop css data (raw data and files)
-        foreach ($this->data as $source => $css) {
-            /*
+		);
+
+		// find all relative imports in css
+		$matches = array();
+		foreach ($importRegexes as $importRegex) {
+			if (preg_match_all($importRegex, $content, $regexMatches, PREG_SET_ORDER)) {
+				$matches = array_merge($matches, $regexMatches);
+			}
+		}
+
+		$search = array();
+		$replace = array();
+
+		// loop the matches
+		foreach ($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->canImportFile($importPath)) {
+				// check if current file was not imported previously in the same
+				// import chain.
+				if (in_array($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)
+				$minifier = new static($importPath);
+				$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
+		$content = str_replace($search, $replace, $content);
+
+		return $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)
+	{
+		$extensions = array_keys($this->importExtensions);
+		$regex = '/url\((["\']?)((?!["\']?data:).*?\.('.implode('|', $extensions).'))\\1\)/i';
+		if ($extensions && preg_match_all($regex, $content, $matches, PREG_SET_ORDER)) {
+			$search = array();
+			$replace = array();
+
+			// loop the matches
+			foreach ($matches as $match) {
+				// get the path for the file that will be imported
+				$path = $match[2];
+				$path = dirname($source).'/'.$path;
+				$extension = $match[3];
+
+				// only replace the import with the content if we're able to get
+				// the content of the file, and it's relatively small
+				if ($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 = array())
+	{
+		$content = '';
+
+		// loop css data (raw data and files)
+		foreach ($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();
-            $css = $this->replace($css);
+			$this->extractStrings();
+			$this->stripComments();
+			$css = $this->replace($css);
 
-            $css = $this->stripWhitespace($css);
-            $css = $this->shortenHex($css);
-            $css = $this->shortenZeroes($css);
-            $css = $this->stripEmptyTags($css);
+			$css = $this->stripWhitespace($css);
+			$css = $this->shortenHex($css);
+			$css = $this->shortenZeroes($css);
+			$css = $this->stripEmptyTags($css);
 
-            // restore the string we've extracted earlier
-            $css = $this->restoreExtractedData($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);
+			$source = is_int($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...)
              */
-            $converter = new Converter($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 Converter $converter Relative path converter
-     * @param string    $content   The CSS content to update relative urls for.
-     *
-     * @return string
-     */
-    protected function move(Converter $converter, $content)
-    {
-        /*
+			$converter = new Converter($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 Converter $converter Relative path converter
+	 * @param string    $content   The CSS content to update relative urls for.
+	 *
+	 * @return string
+	 */
+	protected function move(Converter $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).
@@ -368,9 +368,9 @@ 
          * recent PCRE version. That's why I'm doing 2 separate regular
          * expressions & combining the matches after executing of both.
          */
-        $relativeRegexes = array(
-            // url(xxx)
-            '/
+		$relativeRegexes = array(
+			// url(xxx)
+			'/
             # open url()
             url\(
 
@@ -402,8 +402,8 @@ 
 
             /ix',
 
-            // @import "xxx"
-            '/
+			// @import "xxx"
+			'/
             # import statement
             @import
 
@@ -432,167 +432,167 @@ 
                 (?P=quotes)
 
             /ix',
-        );
-
-        // find all relative urls in css
-        $matches = array();
-        foreach ($relativeRegexes as $relativeRegex) {
-            if (preg_match_all($relativeRegex, $content, $regexMatches, PREG_SET_ORDER)) {
-                $matches = array_merge($matches, $regexMatches);
-            }
-        }
-
-        $search = array();
-        $replace = array();
-
-        // loop all urls
-        foreach ($matches as $match) {
-            // determine if it's a url() or an @import match
-            $type = (strpos($match[0], '@import') === 0 ? 'import' : 'url');
-
-            // attempting to interpret GET-params makes no sense, so let's discard them for awhile
-            $params = strrchr($match['path'], '?');
-            $url = $params ? substr($match['path'], 0, -strlen($params)) : $match['path'];
-
-            // fix relative url
-            $url = $converter->convert($url);
-
-            // now that the path has been converted, re-apply GET-params
-            $url .= $params;
-
-            // build replacement
-            $search[] = $match[0];
-            if ($type == 'url') {
-                $replace[] = 'url('.$url.')';
-            } elseif ($type == 'import') {
-                $replace[] = '@import "'.$url.'"';
-            }
-        }
-
-        // replace urls
-        $content = str_replace($search, $replace, $content);
-
-        return $content;
-    }
-
-    /**
-     * Shorthand hex color codes.
-     * #FF0000 -> #F00.
-     *
-     * @param string $content The CSS content to shorten the hex color codes for.
-     *
-     * @return string
-     */
-    protected function shortenHex($content)
-    {
-        $content = preg_replace('/(?<![\'"])#([0-9a-z])\\1([0-9a-z])\\2([0-9a-z])\\3(?![\'"])/i', '#$1$2$3', $content);
-
-        return $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)
-    {
-        // 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);
-
-        return $content;
-    }
-
-    /**
-     * Strip comments from source code.
-     *
-     * @param string $content
-     *
-     * @return string
-     */
-    protected function stripEmptyTags($content)
-    {
-        return preg_replace('/(^|\})[^\{\}]+\{\s*\}/', '\\1', $content);
-    }
-
-    /**
-     * Strip comments from source code.
-     */
-    protected function stripComments()
-    {
-        $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 in selectors, like
-        // :nth-child(3+2n), not in things like calc(3px + 2px) or shorthands
-        // like 3px -2px
-        $content = preg_replace('/\s*([+-])\s*(?=[^}]*{)/', '$1', $content);
-
-        // remove semicolon/whitespace followed by closing bracket
-        $content = str_replace(';}', '}', $content);
-
-        return trim($content);
-    }
-
-    /**
-     * 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;
-    }
+		);
+
+		// find all relative urls in css
+		$matches = array();
+		foreach ($relativeRegexes as $relativeRegex) {
+			if (preg_match_all($relativeRegex, $content, $regexMatches, PREG_SET_ORDER)) {
+				$matches = array_merge($matches, $regexMatches);
+			}
+		}
+
+		$search = array();
+		$replace = array();
+
+		// loop all urls
+		foreach ($matches as $match) {
+			// determine if it's a url() or an @import match
+			$type = (strpos($match[0], '@import') === 0 ? 'import' : 'url');
+
+			// attempting to interpret GET-params makes no sense, so let's discard them for awhile
+			$params = strrchr($match['path'], '?');
+			$url = $params ? substr($match['path'], 0, -strlen($params)) : $match['path'];
+
+			// fix relative url
+			$url = $converter->convert($url);
+
+			// now that the path has been converted, re-apply GET-params
+			$url .= $params;
+
+			// build replacement
+			$search[] = $match[0];
+			if ($type == 'url') {
+				$replace[] = 'url('.$url.')';
+			} elseif ($type == 'import') {
+				$replace[] = '@import "'.$url.'"';
+			}
+		}
+
+		// replace urls
+		$content = str_replace($search, $replace, $content);
+
+		return $content;
+	}
+
+	/**
+	 * Shorthand hex color codes.
+	 * #FF0000 -> #F00.
+	 *
+	 * @param string $content The CSS content to shorten the hex color codes for.
+	 *
+	 * @return string
+	 */
+	protected function shortenHex($content)
+	{
+		$content = preg_replace('/(?<![\'"])#([0-9a-z])\\1([0-9a-z])\\2([0-9a-z])\\3(?![\'"])/i', '#$1$2$3', $content);
+
+		return $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)
+	{
+		// 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);
+
+		return $content;
+	}
+
+	/**
+	 * Strip comments from source code.
+	 *
+	 * @param string $content
+	 *
+	 * @return string
+	 */
+	protected function stripEmptyTags($content)
+	{
+		return preg_replace('/(^|\})[^\{\}]+\{\s*\}/', '\\1', $content);
+	}
+
+	/**
+	 * Strip comments from source code.
+	 */
+	protected function stripComments()
+	{
+		$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 in selectors, like
+		// :nth-child(3+2n), not in things like calc(3px + 2px) or shorthands
+		// like 3px -2px
+		$content = preg_replace('/\s*([+-])\s*(?=[^}]*{)/', '$1', $content);
+
+		// remove semicolon/whitespace followed by closing bracket
+		$content = str_replace(';}', '}', $content);
+
+		return trim($content);
+	}
+
+	/**
+	 * 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;
+	}
 }

Sources/minify/src/Minify.php

Indentation +383 added lines, -383 removed lines

@@ -16,326 +16,326 @@ 
  */
 abstract class Minify
 {
-    /**
-     * The data to be minified.
-     *
-     * @var string[]
-     */
-    protected $data = array();
-
-    /**
-     * Array of patterns to match.
-     *
-     * @var string[]
-     */
-    protected $patterns = array();
-
-    /**
-     * 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.
-     *
-     * @var string[]
-     */
-    public $extracted = array();
-
-    /**
-     * 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 $data
-     */
-    public function add($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) {
-            // redefine var
-            $data = (string) $data;
-
-            // load data
-            $value = $this->load($data);
-            $key = ($data != $value) ? $data : count($this->data);
-
-            // store data
-            $this->data[$key] = $value;
-        }
-    }
-
-    /**
-     * 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.
-     *
-     * @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)
-    {
-        $processed = '';
-        $positions = array_fill(0, count($this->patterns), -1);
-        $matches = array();
-
-        while ($content) {
-            // find first match for all patterns
-            foreach ($this->patterns as $i => $pattern) {
-                list($pattern, $replacement) = $pattern;
-
-                // no need to re-run matches that are still in the part of the
-                // content that hasn't been processed
-                if ($positions[$i] >= 0) {
-                    continue;
-                }
-
-                $match = null;
-                if (preg_match($pattern, $content, $match)) {
-                    $matches[$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] = strpos($content, $match[0]);
-                } else {
-                    // if the pattern couldn't be matched, there's no point in
-                    // executing it again in later runs on this same content;
-                    // ignore this one until we reach end of content
-                    unset($matches[$i]);
-                    $positions[$i] = strlen($content);
-                }
-            }
-
-            // no more matches to find: everything's been processed, break out
-            if (!$matches) {
-                $processed .= $content;
-                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];
-
-            // 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
-            $content = substr($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);
-            }
-        }
-
-        return $processed;
-    }
-
-    /**
-     * 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.
-     *
-     * @param string          $pattern     Pattern to match.
-     * @param string|callable $replacement Replacement value.
-     * @param string          $content     Content to match pattern against.
-     *
-     * @return string
-     */
-    protected function replacePattern($pattern, $replacement, $content)
-    {
-        if (is_callable($replacement)) {
-            return preg_replace_callback($pattern, $replacement, $content, 1, $count);
-        } else {
-            return preg_replace($pattern, $replacement, $content, 1, $count);
-        }
-    }
-
-    /**
-     * 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] $chars
-     */
-    protected function extractStrings($chars = '\'"')
-    {
-        // PHP only supports $this inside anonymous functions since 5.4
-        $minifier = $this;
-        $callback = function ($match) use ($minifier) {
-            // check the second index here, because the first always contains a quote
-            if (!$match[2]) {
-                /*
+	/**
+	 * The data to be minified.
+	 *
+	 * @var string[]
+	 */
+	protected $data = array();
+
+	/**
+	 * Array of patterns to match.
+	 *
+	 * @var string[]
+	 */
+	protected $patterns = array();
+
+	/**
+	 * 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.
+	 *
+	 * @var string[]
+	 */
+	public $extracted = array();
+
+	/**
+	 * 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 $data
+	 */
+	public function add($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) {
+			// redefine var
+			$data = (string) $data;
+
+			// load data
+			$value = $this->load($data);
+			$key = ($data != $value) ? $data : count($this->data);
+
+			// store data
+			$this->data[$key] = $value;
+		}
+	}
+
+	/**
+	 * 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.
+	 *
+	 * @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)
+	{
+		$processed = '';
+		$positions = array_fill(0, count($this->patterns), -1);
+		$matches = array();
+
+		while ($content) {
+			// find first match for all patterns
+			foreach ($this->patterns as $i => $pattern) {
+				list($pattern, $replacement) = $pattern;
+
+				// no need to re-run matches that are still in the part of the
+				// content that hasn't been processed
+				if ($positions[$i] >= 0) {
+					continue;
+				}
+
+				$match = null;
+				if (preg_match($pattern, $content, $match)) {
+					$matches[$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] = strpos($content, $match[0]);
+				} else {
+					// if the pattern couldn't be matched, there's no point in
+					// executing it again in later runs on this same content;
+					// ignore this one until we reach end of content
+					unset($matches[$i]);
+					$positions[$i] = strlen($content);
+				}
+			}
+
+			// no more matches to find: everything's been processed, break out
+			if (!$matches) {
+				$processed .= $content;
+				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];
+
+			// 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
+			$content = substr($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);
+			}
+		}
+
+		return $processed;
+	}
+
+	/**
+	 * 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.
+	 *
+	 * @param string          $pattern     Pattern to match.
+	 * @param string|callable $replacement Replacement value.
+	 * @param string          $content     Content to match pattern against.
+	 *
+	 * @return string
+	 */
+	protected function replacePattern($pattern, $replacement, $content)
+	{
+		if (is_callable($replacement)) {
+			return preg_replace_callback($pattern, $replacement, $content, 1, $count);
+		} else {
+			return preg_replace($pattern, $replacement, $content, 1, $count);
+		}
+	}
+
+	/**
+	 * 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] $chars
+	 */
+	protected function extractStrings($chars = '\'"')
+	{
+		// PHP only supports $this inside anonymous functions since 5.4
+		$minifier = $this;
+		$callback = function ($match) use ($minifier) {
+			// check the second index here, because the first always contains a quote
+			if (!$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];
-            }
+				return $match[0];
+			}
 
-            $count = count($minifier->extracted);
-            $placeholder = $match[1].$count.$match[1];
-            $minifier->extracted[$placeholder] = $match[1].$match[2].$match[1];
+			$count = count($minifier->extracted);
+			$placeholder = $match[1].$count.$match[1];
+			$minifier->extracted[$placeholder] = $match[1].$match[2].$match[1];
 
-            return $placeholder;
-        };
+			return $placeholder;
+		};
 
-        /*
+		/*
          * The \\ messiness explained:
          * * Don't count ' or " as end-of-string if it's escaped (has backslash
          * in front of it)
@@ -347,75 +347,75 @@ 
          * 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 = array();
-
-        return $content;
-    }
-
-    /**
-     * Check if the path is a regular file and can be read.
-     *
-     * @param string $path
-     *
-     * @return bool
-     */
-    protected function canImportFile($path)
-    {
-        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 (($handler = @fopen($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, $path = '')
-    {
-        if (($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.');
-        }
-    }
+		$this->registerPattern('/(['.$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 = array();
+
+		return $content;
+	}
+
+	/**
+	 * Check if the path is a regular file and can be read.
+	 *
+	 * @param string $path
+	 *
+	 * @return bool
+	 */
+	protected function canImportFile($path)
+	{
+		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 (($handler = @fopen($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, $path = '')
+	{
+		if (($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.');
+		}
+	}
 }

Sources/ManageBoards.php

Indentation +1 added lines, -1 removed lines

@@ -842,7 +842,7 @@
 	require_once($sourcedir . '/Subs-Boards.php');
 	sortBoards($recycle_boards);
 
-        $recycle_boards = array('') + $recycle_boards;
+		$recycle_boards = array('') + $recycle_boards;
 
 	// Here and the board settings...
 	$config_vars = array(

Sources/QueryString.php

Indentation +2 added lines, -2 removed lines

@@ -426,8 +426,8 @@
 */
 function matchIPtoCIDR($ip_address, $cidr_address)
 {
-    list ($cidr_network, $cidr_subnetmask) = preg_split('/', $cidr_address);
-    return (ip2long($ip_address) & (~((1 << (32 - $cidr_subnetmask)) - 1))) == ip2long($cidr_network);
+	list ($cidr_network, $cidr_subnetmask) = preg_split('/', $cidr_address);
+	return (ip2long($ip_address) & (~((1 << (32 - $cidr_subnetmask)) - 1))) == ip2long($cidr_network);
 }
 
 /**

Sources/News.php

Indentation -1 removed lines

@@ -433,7 +433,6 @@
  * Formats data retrieved in other functions into xml format.
  * Additionally formats data based on the specific format passed.
  * This function is recursively called to handle sub arrays of data.
-
  * @param array $data The array to output as xml data
  * @param int $i The amount of indentation to use.
  * @param null|string $tag If specified, it will be used instead of the keys of data.

Sources/ModerationCenter.php

Indentation +3 added lines, -3 removed lines

@@ -1799,9 +1799,9 @@
 }
 
 /**
-  * Callback for createList().
-  * @return int The total number of warning templates
-  */
+ * Callback for createList().
+ * @return int The total number of warning templates
+ */
 function list_getWarningTemplateCount()
 {
 	global $smcFunc, $user_info;

Sources/Load.php

Indentation -1 removed lines

@@ -2439,7 +2439,6 @@
 
 /**
  * Add a Javascript file for output later
-
  * @param string $filename The name of the file to load
  * @param array $params An array of parameter info
  * Keys are the following:

Sources/tasks/UpdateTldRegex.php

Indentation +4 added lines, -4 removed lines

@@ -18,10 +18,10 @@
  */
 class Update_TLD_Regex extends SMF_BackgroundTask
 {
-    /**
-     * This executes the task. It just calls set_tld_regex() in Subs.php
-     * @return bool Always returns true
-     */
+	/**
+	 * This executes the task. It just calls set_tld_regex() in Subs.php
+	 * @return bool Always returns true
+	 */
 	public function execute()
  	{
 		global $sourcedir;