Includes_processing::css() - Code Metrics - Inspection of "Added tests for `cs\Page\Includes_processing::css(..." - nazar-pc/CleverStyle-Framework - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 014d41...b96f05 )

by Nazar

created 2016-07-11 23:41 UTC

Includes_processing::css() C

↳ Parent: Includes_processing

Complexity

Conditions	7
Paths	1

Size

Total Lines	83
Code Lines	43

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	39
CRAP Score	7

Importance

Changes	1
Bugs	1	Features	1

Metric	Value
cc	7
eloc	43
c	1
b	1
f	1
nc	1
nop	3
dl	0
loc	83
ccs	39
cts	39
cp	1
crap	7
rs	6.5439

How to fix Long Method

<?php
/**
 * @package   CleverStyle Framework
 * @author    Nazar Mokrynskyi <[email protected]>
 * @copyright Copyright (c) 2014-2016, Nazar Mokrynskyi
 * @license   MIT License, see license.txt
 */
namespace cs\Page;

/**
 * Class includes few methods used for processing CSS and HTML files before putting into cache.
 *
 * This is because CSS and HTML files may contain other includes of other CSS, JS files, images, fonts and so on with absolute and relative paths.
 * Methods of this class handles all this includes and put them into single resulting file compressed with gzip.
 * This allows to decrease number of HTTP requests on page and avoid breaking of relative paths for fonts, images and other includes
 * after putting them into cache directory.
 */
class Includes_processing {
	/**
	 * Do not inline files bigger than 4 KiB
	 */
	const MAX_EMBEDDING_SIZE = 4096;
	protected static $extension_to_mime = [
		'jpeg' => 'image/jpg',
		'jpe'  => 'image/jpg',
		'jpg'  => 'image/jpg',
		'gif'  => 'image/gif',
		'png'  => 'image/png',
		'svg'  => 'image/svg+xml',
		'svgz' => 'image/svg+xml',
		'woff' => 'application/font-woff',
		//'woff2' => 'application/font-woff2',
		'css'  => 'text/css'
	];
	/**
	 * Analyses file for images, fonts and css links and include they content into single resulting css file.
	 *
	 * Supports next file extensions for possible includes:
	 * jpeg, jpe, jpg, gif, png, ttf, ttc, svg, svgz, woff, eot, css
	 *
	 * @param string   $data                   Content of processed file
	 * @param string   $file                   Path to file, that includes specified in previous parameter content
	 * @param string[] $not_embedded_resources Some resources like images and fonts might not be embedded into resulting CSS because of their size
	 *
	 * @return string    $data
	 */
	static function css ($data, $file, &$not_embedded_resources = []) {
		$dir = dirname($file);
		/**
		 * Remove comments, tabs and new lines
		 */
		$data = preg_replace('#(/\*.*?\*/)|\t|\n|\r#s', ' ', $data);
		/**
		 * Remove unnecessary spaces
		 */
		$data = preg_replace('/\s*([,;>{}(])\s*/', '$1', $data);
		$data = preg_replace('/\s+/', ' ', $data);
		/**
		 * Return spaces required in media queries
		 */
		$data = preg_replace('/\s(and|or)\(/', ' $1 (', $data);
		/**
		 * Duplicated semicolons
		 */
		$data = preg_replace('/;+/m', ';', $data);
		/**
		 * Minify rgb colors declarations
		 */
		$data = preg_replace_callback(
			'/rgb\(([0-9,.]+)\)/i',
			function ($rgb) {
				$rgb = explode(',', $rgb[1]);
				return
					'#'.
					str_pad(dechex($rgb[0]), 2, 0, STR_PAD_LEFT).
					str_pad(dechex($rgb[1]), 2, 0, STR_PAD_LEFT).
					str_pad(dechex($rgb[2]), 2, 0, STR_PAD_LEFT);
			},
			$data
		);
		/**
		 * Minify repeated colors declarations
		 */
		$data = preg_replace('/#([0-9a-f])\1([0-9a-f])\2([0-9a-f])\3/i', '#$1$2$3', $data);
		/**
		 * Remove unnecessary zeros
		 */
		$data = preg_replace('/(\D)0\.(\d+)/i', '$1.$2', $data);
		/**
		 * Unnecessary spaces around colons (should have whitespace character after, otherwise might be `.c :disabled` and will be handled incorrectly)
		 */
		$data = preg_replace('/\s*:\s+/', ':', $data);
		/**
		 * Includes processing
		 */
		$data = preg_replace_callback(
			'/url\((.*?)\)|@import\s*[\'"](.*?)[\'"]\s*;/',
			function ($match) use ($dir, &$not_embedded_resources) {
				$path      = @$match[2] ?: $match[1];
				$path      = trim($path, '\'" ');
				$link      = explode('?', $path, 2)[0];
				$content   = file_get_contents("$dir/$link");
				$extension = file_extension($link);
				if ($extension == 'css') {
					/**
					 * For recursive includes processing, if CSS file includes others CSS files
					 * TODO: Support for `@import` with media queries
					 */
					return static::css($content, $link, $not_embedded_resources);
				}
				if (!static::is_relative_path_and_exists($link, $dir)) {
					return $match[0];
				}
				if (!isset(static::$extension_to_mime[$extension]) || filesize("$dir/$link") > static::MAX_EMBEDDING_SIZE) {
					$path_relatively_to_the_root = str_replace(getcwd(), '', realpath("$dir/$link"));
					$path_relatively_to_the_root .= '?'.substr(md5($content), 0, 5);
					if (strpos($path, '?') === false) {
						$not_embedded_resources[] = $path_relatively_to_the_root;
					}
					return str_replace($path, "'".str_replace("'", "\\'", $path_relatively_to_the_root)."'", $match[0]);
				}
				$mime_type = static::$extension_to_mime[$extension];
				$content   = base64_encode($content);
				return str_replace($path, "data:$mime_type;charset=utf-8;base64,$content", $match[0]);
			},
			$data
		);
		return trim($data);
	}
	/**
	 * Simple and fast JS minification
	 *
	 * @param string $data
	 *
	 * @return string
	 */
	static function js ($data) {
		/**
		 * Split into array of lines
		 */
		$data = explode("\n", $data);
		/**
		 * Flag that is `true` when inside comment
		 */
		$comment = false;
		/**
		 * Set of symbols that are safe to be concatenated without new line with anything else
		 */
		$regexp = /** @lang PhpRegExp */
			'[:;,.+\-*/{}?><^\'"\[\]=&(]';
		foreach ($data as $index => &$d) {
			$next_line = isset($data[$index + 1]) ? trim($data[$index + 1]) : '';
			/**
			 * Remove starting and trailing spaces
			 */
			$d = trim($d);
			/**
			 * Remove single-line comments
			 */
			if (mb_strpos($d, '//') === 0) {
				$d = '';
				continue;
			}
			/**
			 * Starts with multi-line comment
			 */
			if (mb_strpos($d, '/*') === 0) {
				$comment = true;
			}
			/**
			 * Add new line at the end if only needed
			 */
			if (
				$d &&
				$next_line &&
				!$comment &&
				!preg_match("#$regexp\$#", $d) &&
				!preg_match("#^$regexp#", $next_line)
			) {
				$d .= "\n";
			}
			if ($comment) {
				/**
				 * End of multi-line comment
				 */
				if (strpos($d, '*/') !== false) {
					$d       = explode('*/', $d)[1];
					$comment = false;
				} else {
					$d = '';
				}
			} else {
				/**
				 * Single-line comment
				 */
				$d = preg_replace('#^\s*//[^\'"]+$#', '', $d);
				/**
				 * If we are not sure - just add new like afterwards
				 */
				$d = preg_replace('#//.*$#', "\\0\n", $d);
			}
		}
		$data = implode('', $data);
		$data = str_replace('</script>', '<\/script>', $data);
		return trim($data, ';').';';
	}
	/**
	 * Analyses file for scripts and styles, combines them into resulting files in order to optimize loading process
	 * (files with combined scripts and styles will be created)
	 *
	 * @param string   $data                   Content of processed file
	 * @param string   $file                   Path to file, that includes specified in previous parameter content
	 * @param string   $base_target_file_path  Base filename for resulting combined files
	 * @param bool     $vulcanization          Whether to put combined files separately or to make includes built-in (vulcanization)
	 * @param string[] $not_embedded_resources Resources like images/fonts might not be embedded into resulting CSS because of big size or CSS/JS because of CSP
	 *
	 * @return string
	 */
	static function html ($data, $file, $base_target_file_path, $vulcanization, &$not_embedded_resources = []) {
		static::html_process_scripts($data, $file, $base_target_file_path, $vulcanization, $not_embedded_resources);
		static::html_process_links_and_styles($data, $file, $base_target_file_path, $vulcanization, $not_embedded_resources);
		// Removing HTML comments (those that are mostly likely comments, to avoid problems)
		$data = preg_replace_callback(
			'/^\s*<!--([^>-].*[^-])?-->/Ums',
			function ($matches) {
				return mb_strpos('--', $matches[1]) === false ? '' : $matches[0];
			},
			$data
		);
		return preg_replace("/\n+/", "\n", $data);
	}
	/**
	 * @param string   $data                   Content of processed file
	 * @param string   $file                   Path to file, that includes specified in previous parameter content
	 * @param string   $base_target_file_path  Base filename for resulting combined files
	 * @param bool     $vulcanization          Whether to put combined files separately or to make includes built-in (vulcanization)
	 * @param string[] $not_embedded_resources Resources like images/fonts might not be embedded into resulting CSS because of big size or CSS/JS because of CSP
	 *
	 * @return string

	 */
	protected static function html_process_scripts (&$data, $file, $base_target_file_path, $vulcanization, &$not_embedded_resources) {
		if (!preg_match_all('/<script(.*)<\/script>/Uims', $data, $scripts)) {
			return;
		}
		$scripts_content    = '';
		$scripts_to_replace = [];
		$dir                = dirname($file);
		foreach ($scripts[1] as $index => $script) {
			$script = explode('>', $script, 2);
			if (preg_match('/src\s*=\s*[\'"](.*)[\'"]/Uims', $script[0], $url)) {
				$url = $url[1];
				if (!static::is_relative_path_and_exists($url, $dir)) {
					continue;
				}
				$scripts_to_replace[] = $scripts[0][$index];
				$scripts_content .= file_get_contents("$dir/$url").";\n";
			} else {
				$scripts_to_replace[] = $scripts[0][$index];
				$scripts_content .= "$script[1];\n";
			}
		}
		$scripts_content = static::js($scripts_content);
		if (!$scripts_to_replace) {
			return;
		}
		// Remove all scripts
		$data = str_replace($scripts_to_replace, '', $data);
		/**
		 * If vulcanization is not used - put contents into separate file, and put link to it, otherwise put minified content back
		 */
		if (!$vulcanization) {
			/**
			 * md5 to distinguish modifications of the files
			 */
			$content_md5 = substr(md5($scripts_content), 0, 5);
			file_put_contents("$base_target_file_path.js", $scripts_content, LOCK_EX | FILE_BINARY);
			$base_target_file_name = basename($base_target_file_path);
			// Add script with combined content file to the end
			$data .= "<script src=\"$base_target_file_name.js?$content_md5\"></script>";
			$not_embedded_resources[] = "$base_target_file_name.js?$content_md5";
		} else {
			// Add combined content inline script to the end
			$data .= "<script>$scripts_content</script>";
		}
	}
	/**
	 * @param string   $data                   Content of processed file
	 * @param string   $file                   Path to file, that includes specified in previous parameter content
	 * @param string   $base_target_file_path  Base filename for resulting combined files
	 * @param bool     $vulcanization          Whether to put combined files separately or to make includes built-in (vulcanization)
	 * @param string[] $not_embedded_resources Resources like images/fonts might not be embedded into resulting CSS because of big size or CSS/JS because of CSP
	 *
	 * @return string

	 */
	protected static function html_process_links_and_styles (&$data, $file, $base_target_file_path, $vulcanization, &$not_embedded_resources) {
		// Drop Polymer inclusion, since it is already present
		$data = str_replace('<link rel="import" href="../polymer/polymer.html">', '', $data);
		if (!preg_match_all('/<link(.*)>|<style(.*)<\/style>/Uims', $data, $links_and_styles)) {
			return;
		}
		$imports_content             = '';
		$links_and_styles_to_replace = [];
		$dir                         = dirname($file);
		foreach ($links_and_styles[1] as $index => $link) {
			/**
			 * Check for custom styles `is="custom-style"` or styles includes `include=".."` - we'll skip them
			 * Or if content is plain CSS
			 */
			if (
				preg_match('/^[^>]*(is="custom-style"|include=)[^>]*>/Uim', $links_and_styles[2][$index]) ||
				mb_strpos($links_and_styles[0][$index], '</style>') > 0
			) {
				$content = explode('>', $links_and_styles[2][$index], 2)[1];
				$data    = str_replace(
					$content,
					static::css($content, $file, $not_embedded_resources),
					$data
				);
				continue;
			}
			if (!static::has_relative_href($link, $url, $dir)) {
				continue;
			}
			$import = preg_match('/rel\s*=\s*[\'"]import[\'"]/Uim', $link);
			/**
			 * CSS imports are available in Polymer alongside with HTML imports
			 */
			$css_import = $import && preg_match('/type\s*=\s*[\'"]css[\'"]/Uim', $link);
			$stylesheet = preg_match('/rel\s*=\s*[\'"]stylesheet[\'"]/Uim', $link);
			// TODO: Polymer only supports `style[is=custom-style]`, but no `link`-based counterpart, so we can't provide CSP-compatibility for CSS anyway
			if ($css_import || $stylesheet) {
				/**
				 * If content is link to CSS file
				 */
				$css  = static::css(
					file_get_contents("$dir/$url"),
					"$dir/$url",
					$not_embedded_resources
				);
				$data = preg_replace(
					'/'.$links_and_styles[0][$index].'.*<template>/Uims',
					"<template><style>$css</style>",
					$data
				);
			} elseif ($import) {
				/**
				 * If content is HTML import
				 */
				$links_and_styles_to_replace[] = $links_and_styles[0][$index];
				$imports_content .= static::html(
					file_get_contents("$dir/$url"),
					"$dir/$url",
					"$base_target_file_path-".basename($url, '.html'),
					$vulcanization,
					$not_embedded_resources
				);
			}
		}
		if (!$links_and_styles_to_replace) {
			return;
		}
		// Add imports to the end
		$data .= $imports_content;
	}
	/**
	 * @param string $link
	 * @param string $url
	 * @param string $dir
	 *
	 * @return bool
	 */
	protected static function has_relative_href ($link, &$url, $dir) {
		$result =
			$link &&
			preg_match('/href\s*=\s*[\'"](.*)[\'"]/Uims', $link, $url);
		if ($result && static::is_relative_path_and_exists($url[1], $dir)) {
			$url = $url[1];
			return true;
		}
		return false;
	}
	/**
	 * Simple check for http[s], ftp and absolute links
	 *
	 * @param string $path
	 * @param string $dir
	 *
	 * @return bool
	 */
	protected static function is_relative_path_and_exists ($path, $dir) {
		return !preg_match('#^(http://|https://|ftp://|/)#i', $path) && file_exists("$dir/$path");
	}
}


1		<?php
2		/**
3		* @package CleverStyle Framework
4		* @author Nazar Mokrynskyi <[email protected]>
5		* @copyright Copyright (c) 2014-2016, Nazar Mokrynskyi
6		* @license MIT License, see license.txt
7		*/
8		namespace cs\Page;
9
10		/**
11		* Class includes few methods used for processing CSS and HTML files before putting into cache.
12		*
13		* This is because CSS and HTML files may contain other includes of other CSS, JS files, images, fonts and so on with absolute and relative paths.
14		* Methods of this class handles all this includes and put them into single resulting file compressed with gzip.
15		* This allows to decrease number of HTTP requests on page and avoid breaking of relative paths for fonts, images and other includes
16		* after putting them into cache directory.
17		*/
18		class Includes_processing {
19		/**
20		* Do not inline files bigger than 4 KiB
21		*/
22		const MAX_EMBEDDING_SIZE = 4096;
23		protected static $extension_to_mime = [
24		'jpeg' => 'image/jpg',
25		'jpe' => 'image/jpg',
26		'jpg' => 'image/jpg',
27		'gif' => 'image/gif',
28		'png' => 'image/png',
29		'svg' => 'image/svg+xml',
30		'svgz' => 'image/svg+xml',
31		'woff' => 'application/font-woff',
32		//'woff2' => 'application/font-woff2',
33		'css' => 'text/css'
34		];
35		/**
36		* Analyses file for images, fonts and css links and include they content into single resulting css file.
37		*
38		* Supports next file extensions for possible includes:
39		* jpeg, jpe, jpg, gif, png, ttf, ttc, svg, svgz, woff, eot, css
40		*
41		* @param string $data Content of processed file
42		* @param string $file Path to file, that includes specified in previous parameter content
43		* @param string[] $not_embedded_resources Some resources like images and fonts might not be embedded into resulting CSS because of their size
44		*
45		* @return string $data
46		*/
47	6	static function css ($data, $file, &$not_embedded_resources = []) {
48	6	$dir = dirname($file);
49		/**
50		* Remove comments, tabs and new lines
51		*/
52	6	$data = preg_replace('#(/\.?\*/)\|\t\|\n\|\r#s', ' ', $data);
53		/**
54		* Remove unnecessary spaces
55		*/
56	6	$data = preg_replace('/\s([,;>{}(])\s/', '$1', $data);
57	6	$data = preg_replace('/\s+/', ' ', $data);
58		/**
59		* Return spaces required in media queries
60		*/
61	6	$data = preg_replace('/\s(and\|or)\(/', ' $1 (', $data);
62		/**
63		* Duplicated semicolons
64		*/
65	6	$data = preg_replace('/;+/m', ';', $data);
66		/**
67		* Minify rgb colors declarations
68		*/
69	6	$data = preg_replace_callback(
70	6	'/rgb\(([0-9,.]+)\)/i',
71		function ($rgb) {
72	2	$rgb = explode(',', $rgb[1]);
73		return
74		'#'.
75	2	str_pad(dechex($rgb[0]), 2, 0, STR_PAD_LEFT).
76	2	str_pad(dechex($rgb[1]), 2, 0, STR_PAD_LEFT).
77	2	str_pad(dechex($rgb[2]), 2, 0, STR_PAD_LEFT);
78	6	},
79		$data
80		);
81		/**
82		* Minify repeated colors declarations
83		*/
84	6	$data = preg_replace('/#([0-9a-f])\1([0-9a-f])\2([0-9a-f])\3/i', '#$1$2$3', $data);
85		/**
86		* Remove unnecessary zeros
87		*/
88	6	$data = preg_replace('/(\D)0\.(\d+)/i', '$1.$2', $data);
89		/**
90		* Unnecessary spaces around colons (should have whitespace character after, otherwise might be `.c :disabled` and will be handled incorrectly)
91		*/
92	6	$data = preg_replace('/\s*:\s+/', ':', $data);
93		/**
94		* Includes processing
95		*/
96	6	$data = preg_replace_callback(
97	6	'/url\((.?)\)\|@import\s[\'"](.?)[\'"]\s;/',
98		function ($match) use ($dir, &$not_embedded_resources) {
99	6	$path = @$match[2] ?: $match[1];
100	6	$path = trim($path, '\'" ');
101	6	$link = explode('?', $path, 2)[0];
102	6	$content = file_get_contents("$dir/$link");
103	6	$extension = file_extension($link);
104	6	if ($extension == 'css') {
105		/**
106		* For recursive includes processing, if CSS file includes others CSS files
107		* TODO: Support for `@import` with media queries
108		*/
109	2	return static::css($content, $link, $not_embedded_resources);
110		}
111	6	if (!static::is_relative_path_and_exists($link, $dir)) {
112	6	return $match[0];
113		}
114	6	if (!isset(static::$extension_to_mime[$extension]) \|\| filesize("$dir/$link") > static::MAX_EMBEDDING_SIZE) {
115	6	$path_relatively_to_the_root = str_replace(getcwd(), '', realpath("$dir/$link"));
116	6	$path_relatively_to_the_root .= '?'.substr(md5($content), 0, 5);
117	6	if (strpos($path, '?') === false) {
118	2	$not_embedded_resources[] = $path_relatively_to_the_root;
119		}
120	6	return str_replace($path, "'".str_replace("'", "\\'", $path_relatively_to_the_root)."'", $match[0]);
121		}
122	2	$mime_type = static::$extension_to_mime[$extension];
123	2	$content = base64_encode($content);
124	2	return str_replace($path, "data:$mime_type;charset=utf-8;base64,$content", $match[0]);
125	6	},
126		$data
127		);
128	6	return trim($data);
129		}
130		/**
131		* Simple and fast JS minification
132		*
133		* @param string $data
134		*
135		* @return string
136		*/
137	4	static function js ($data) {
138		/**
139		* Split into array of lines
140		*/
141	4	$data = explode("\n", $data);
142		/**
143		* Flag that is `true` when inside comment
144		*/
145	4	$comment = false;
146		/**
147		* Set of symbols that are safe to be concatenated without new line with anything else
148		*/
149		$regexp = /** @lang PhpRegExp */
150	4	'[:;,.+\-*/{}?><^\'"\[\]=&(]';
151	4	foreach ($data as $index => &$d) {
152	4	$next_line = isset($data[$index + 1]) ? trim($data[$index + 1]) : '';
153		/**
154		* Remove starting and trailing spaces
155		*/
156	4	$d = trim($d);
157		/**
158		* Remove single-line comments
159		*/
160	4	if (mb_strpos($d, '//') === 0) {
161	4	$d = '';
162	4	continue;
163		}
164		/**
165		* Starts with multi-line comment
166		*/
167	4	if (mb_strpos($d, '/*') === 0) {
168	4	$comment = true;
169		}
170		/**
171		* Add new line at the end if only needed
172		*/
173		if (
174	4	$d &&
175	4	$next_line &&
176	4	!$comment &&
177	4	!preg_match("#$regexp\$#", $d) &&
178	4	!preg_match("#^$regexp#", $next_line)
179		) {
180	4	$d .= "\n";
181		}
182	4	if ($comment) {
183		/**
184		* End of multi-line comment
185		*/
186	4	if (strpos($d, '*/') !== false) {
187	4	$d = explode('*/', $d)[1];
188	4	$comment = false;
189		} else {
190	4	$d = '';
191		}
192		} else {
193		/**
194		* Single-line comment
195		*/
196	4	$d = preg_replace('#^\s*//[^\'"]+$#', '', $d);
197		/**
198		* If we are not sure - just add new like afterwards
199		*/
200	4	$d = preg_replace('#//.*$#', "\\0\n", $d);
201		}
202		}
203	4	$data = implode('', $data);
204	4	$data = str_replace('</script>', '<\/script>', $data);
205	4	return trim($data, ';').';';
206		}
207		/**
208		* Analyses file for scripts and styles, combines them into resulting files in order to optimize loading process
209		* (files with combined scripts and styles will be created)
210		*
211		* @param string $data Content of processed file
212		* @param string $file Path to file, that includes specified in previous parameter content
213		* @param string $base_target_file_path Base filename for resulting combined files
214		* @param bool $vulcanization Whether to put combined files separately or to make includes built-in (vulcanization)
215		* @param string[] $not_embedded_resources Resources like images/fonts might not be embedded into resulting CSS because of big size or CSS/JS because of CSP
216		*
217		* @return string
218		*/
219	4	static function html ($data, $file, $base_target_file_path, $vulcanization, &$not_embedded_resources = []) {
220	4	static::html_process_scripts($data, $file, $base_target_file_path, $vulcanization, $not_embedded_resources);
221	4	static::html_process_links_and_styles($data, $file, $base_target_file_path, $vulcanization, $not_embedded_resources);
222		// Removing HTML comments (those that are mostly likely comments, to avoid problems)
223	4	$data = preg_replace_callback(
224	4	'/^\s<!--([^>-].[^-])?-->/Ums',
225	4	function ($matches) {
226		return mb_strpos('--', $matches[1]) === false ? '' : $matches[0];
227	4	},
228		$data
229		);
230	4	return preg_replace("/\n+/", "\n", $data);
231		}
232		/**
233		* @param string $data Content of processed file
234		* @param string $file Path to file, that includes specified in previous parameter content
235		* @param string $base_target_file_path Base filename for resulting combined files
236		* @param bool $vulcanization Whether to put combined files separately or to make includes built-in (vulcanization)
237		* @param string[] $not_embedded_resources Resources like images/fonts might not be embedded into resulting CSS because of big size or CSS/JS because of CSP
238		*
239		* @return string
		0 ignored issues – show Documentation introduced 2015-11-21 02:31 UTC by Report Bug Copy Issue Report Should the return type not be `string\|null`? This check compares the return type specified in the `@return` annotation of a function or method doc comment with the types returned by the function and raises an issue if they mismatch. Loading history...
240		*/
241	4	protected static function html_process_scripts (&$data, $file, $base_target_file_path, $vulcanization, &$not_embedded_resources) {
242	4	if (!preg_match_all('/<script(.*)<\/script>/Uims', $data, $scripts)) {
243	4	return;
244		}
245	4	$scripts_content = '';
246	4	$scripts_to_replace = [];
247	4	$dir = dirname($file);
248	4	foreach ($scripts[1] as $index => $script) {
249	4	$script = explode('>', $script, 2);
250	4	if (preg_match('/src\s=\s[\'"](.*)[\'"]/Uims', $script[0], $url)) {
251	4	$url = $url[1];
252	4	if (!static::is_relative_path_and_exists($url, $dir)) {
253		continue;
254		}
255	4	$scripts_to_replace[] = $scripts[0][$index];
256	4	$scripts_content .= file_get_contents("$dir/$url").";\n";
257		} else {
258	4	$scripts_to_replace[] = $scripts[0][$index];
259	4	$scripts_content .= "$script[1];\n";
260		}
261		}
262	4	$scripts_content = static::js($scripts_content);
263	4	if (!$scripts_to_replace) {
264		return;
265		}
266		// Remove all scripts
267	4	$data = str_replace($scripts_to_replace, '', $data);
268		/**
269		* If vulcanization is not used - put contents into separate file, and put link to it, otherwise put minified content back
270		*/
271	4	if (!$vulcanization) {
272		/**
273		* md5 to distinguish modifications of the files
274		*/
275		$content_md5 = substr(md5($scripts_content), 0, 5);
276		file_put_contents("$base_target_file_path.js", $scripts_content, LOCK_EX \| FILE_BINARY);
277		$base_target_file_name = basename($base_target_file_path);
278		// Add script with combined content file to the end
279		$data .= "<script src=\"$base_target_file_name.js?$content_md5\"></script>";
280		$not_embedded_resources[] = "$base_target_file_name.js?$content_md5";
281		} else {
282		// Add combined content inline script to the end
283	4	$data .= "<script>$scripts_content</script>";
284		}
285	4	}
286		/**
287		* @param string $data Content of processed file
288		* @param string $file Path to file, that includes specified in previous parameter content
289		* @param string $base_target_file_path Base filename for resulting combined files
290		* @param bool $vulcanization Whether to put combined files separately or to make includes built-in (vulcanization)
291		* @param string[] $not_embedded_resources Resources like images/fonts might not be embedded into resulting CSS because of big size or CSS/JS because of CSP
292		*
293		* @return string
		0 ignored issues – show Documentation introduced 2015-11-21 02:31 UTC by Report Bug Copy Issue Report Should the return type not be `string\|null`? This check compares the return type specified in the `@return` annotation of a function or method doc comment with the types returned by the function and raises an issue if they mismatch. Loading history...
294		*/
295	4	protected static function html_process_links_and_styles (&$data, $file, $base_target_file_path, $vulcanization, &$not_embedded_resources) {
296		// Drop Polymer inclusion, since it is already present
297	4	$data = str_replace('<link rel="import" href="../polymer/polymer.html">', '', $data);
298	4	if (!preg_match_all('/<link(.)>\|<style(.)<\/style>/Uims', $data, $links_and_styles)) {
299	4	return;
300		}
301	4	$imports_content = '';
302	4	$links_and_styles_to_replace = [];
303	4	$dir = dirname($file);
304	4	foreach ($links_and_styles[1] as $index => $link) {
305		/**
306		* Check for custom styles `is="custom-style"` or styles includes `include=".."` - we'll skip them
307		* Or if content is plain CSS
308		*/
309		if (
310	4	preg_match('/^[^>](is="custom-style"\|include=)[^>]>/Uim', $links_and_styles[2][$index]) \|\|
311	4	mb_strpos($links_and_styles[0][$index], '</style>') > 0
312		) {
313	4	$content = explode('>', $links_and_styles[2][$index], 2)[1];
314	4	$data = str_replace(
315		$content,
316	4	static::css($content, $file, $not_embedded_resources),
317		$data
318		);
319	4	continue;
320		}
321	4	if (!static::has_relative_href($link, $url, $dir)) {
322		continue;
323		}
324	4	$import = preg_match('/rel\s=\s[\'"]import[\'"]/Uim', $link);
325		/**
326		* CSS imports are available in Polymer alongside with HTML imports
327		*/
328	4	$css_import = $import && preg_match('/type\s=\s[\'"]css[\'"]/Uim', $link);
329	4	$stylesheet = preg_match('/rel\s=\s[\'"]stylesheet[\'"]/Uim', $link);
330		// TODO: Polymer only supports `style[is=custom-style]`, but no `link`-based counterpart, so we can't provide CSP-compatibility for CSS anyway
331	4	if ($css_import \|\| $stylesheet) {
332		/**
333		* If content is link to CSS file
334		*/
335	4	$css = static::css(
336	4	file_get_contents("$dir/$url"),
337	4	"$dir/$url",
338		$not_embedded_resources
339		);
340	4	$data = preg_replace(
341	4	'/'.$links_and_styles[0][$index].'.*<template>/Uims',
342	4	"<template><style>$css</style>",
343		$data
344		);
345		} elseif ($import) {
346		/**
347		* If content is HTML import
348		*/
349		$links_and_styles_to_replace[] = $links_and_styles[0][$index];
350		$imports_content .= static::html(
351		file_get_contents("$dir/$url"),
352		"$dir/$url",
353	4	"$base_target_file_path-".basename($url, '.html'),
354		$vulcanization,
355		$not_embedded_resources
356		);
357		}
358		}
359	4	if (!$links_and_styles_to_replace) {
360	4	return;
361		}
362		// Add imports to the end
363		$data .= $imports_content;
364		}
365		/**
366		* @param string $link
367		* @param string $url
368		* @param string $dir
369		*
370		* @return bool
371		*/
372	4	protected static function has_relative_href ($link, &$url, $dir) {
373		$result =
374	4	$link &&
375	4	preg_match('/href\s=\s[\'"](.*)[\'"]/Uims', $link, $url);
376	4	if ($result && static::is_relative_path_and_exists($url[1], $dir)) {
377	4	$url = $url[1];
378	4	return true;
379		}
380		return false;
381		}
382		/**
383		* Simple check for http[s], ftp and absolute links
384		*
385		* @param string $path
386		* @param string $dir
387		*
388		* @return bool
389		*/
390	6	protected static function is_relative_path_and_exists ($path, $dir) {
391	6	return !preg_match('#^(http://\|https://\|ftp://\|/)#i', $path) && file_exists("$dir/$path");
392		}
393		}
394

nazar-pc / CleverStyle-Framework

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Includes_processing::css() C

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