class.csstidy.php
11 months ago
class.csstidy_optimise.php
11 months ago
class.csstidy_print.php
11 months ago
data.inc.php
11 months ago
class.csstidy_print.php
452 lines
| 1 | <?php |
| 2 | |
| 3 | namespace SuperbAddons\CSSTidy; |
| 4 | // Added namespace and moved defines to class consts |
| 5 | |
| 6 | /** |
| 7 | * CSSTidy - CSS Parser and Optimiser |
| 8 | * |
| 9 | * CSS Printing class |
| 10 | * This class prints CSS data generated by csstidy. |
| 11 | * |
| 12 | * Copyright 2005, 2006, 2007 Florian Schmitz |
| 13 | * |
| 14 | * This file is part of CSSTidy. |
| 15 | * |
| 16 | * CSSTidy is free software; you can redistribute it and/or modify |
| 17 | * it under the terms of the GNU Lesser General Public License as published by |
| 18 | * the Free Software Foundation; either version 2.1 of the License, or |
| 19 | * (at your option) any later version. |
| 20 | * |
| 21 | * CSSTidy is distributed in the hope that it will be useful, |
| 22 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 23 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 24 | * GNU Lesser General Public License for more details. |
| 25 | * |
| 26 | * You should have received a copy of the GNU Lesser General Public License |
| 27 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 28 | * |
| 29 | * @license http://opensource.org/licenses/lgpl-license.php GNU Lesser General Public License |
| 30 | * @package csstidy |
| 31 | * @author Florian Schmitz (floele at gmail dot com) 2005-2007 |
| 32 | * @author Brett Zamir (brettz9 at yahoo dot com) 2007 |
| 33 | * @author Cedric Morin (cedric at yterium dot com) 2010-2012 |
| 34 | */ |
| 35 | |
| 36 | /** |
| 37 | * CSS Printing class |
| 38 | * |
| 39 | * This class prints CSS data generated by csstidy. |
| 40 | * |
| 41 | * @package csstidy |
| 42 | * @author Florian Schmitz (floele at gmail dot com) 2005-2006 |
| 43 | * @version 1.1.0 |
| 44 | */ |
| 45 | class csstidy_print |
| 46 | { |
| 47 | |
| 48 | /** |
| 49 | * csstidy object |
| 50 | * @var object |
| 51 | */ |
| 52 | public $parser; |
| 53 | |
| 54 | /** |
| 55 | * Saves the input CSS string |
| 56 | * @var string |
| 57 | * @access private |
| 58 | */ |
| 59 | public $input_css = ''; |
| 60 | /** |
| 61 | * Saves the formatted CSS string |
| 62 | * @var string |
| 63 | * @access public |
| 64 | */ |
| 65 | public $output_css = ''; |
| 66 | /** |
| 67 | * Saves the formatted CSS string (plain text) |
| 68 | * @var string |
| 69 | * @access public |
| 70 | */ |
| 71 | public $output_css_plain = ''; |
| 72 | |
| 73 | public $css; |
| 74 | public $template; |
| 75 | public $tokens; |
| 76 | public $charset; |
| 77 | public $import; |
| 78 | public $namespace; |
| 79 | |
| 80 | /** |
| 81 | * Constructor |
| 82 | * @param array $css contains the class csstidy |
| 83 | * @access private |
| 84 | * @version 1.0 |
| 85 | */ |
| 86 | public function __construct($css) |
| 87 | { |
| 88 | $this->parser = $css; |
| 89 | $this->css = &$css->css; |
| 90 | $this->template = &$css->template; |
| 91 | $this->tokens = &$css->tokens; |
| 92 | $this->charset = &$css->charset; |
| 93 | $this->import = &$css->import; |
| 94 | $this->namespace = &$css->namespace; |
| 95 | } |
| 96 | |
| 97 | /** |
| 98 | * Resets output_css and output_css_plain (new css code) |
| 99 | * @access private |
| 100 | * @version 1.0 |
| 101 | */ |
| 102 | public function _reset() |
| 103 | { |
| 104 | $this->output_css = ''; |
| 105 | $this->output_css_plain = ''; |
| 106 | } |
| 107 | |
| 108 | /** |
| 109 | * Returns the CSS code as plain text |
| 110 | * @param string $default_media default @media to add to selectors without any @media |
| 111 | * @return string |
| 112 | * @access public |
| 113 | * @version 1.0 |
| 114 | */ |
| 115 | public function plain($default_media = '') |
| 116 | { |
| 117 | $this->_print(true, $default_media); |
| 118 | return $this->output_css_plain; |
| 119 | } |
| 120 | |
| 121 | /** |
| 122 | * Returns the formatted CSS code |
| 123 | * @param string $default_media default @media to add to selectors without any @media |
| 124 | * @return string |
| 125 | * @access public |
| 126 | * @version 1.0 |
| 127 | */ |
| 128 | public function formatted($default_media = '') |
| 129 | { |
| 130 | $this->_print(false, $default_media); |
| 131 | return $this->output_css; |
| 132 | } |
| 133 | |
| 134 | /** |
| 135 | * Returns the formatted CSS Code and saves it into $this->output_css and $this->output_css_plain |
| 136 | * @param bool $plain plain text or not |
| 137 | * @param string $default_media default @media to add to selectors without any @media |
| 138 | * @access private |
| 139 | * @version 2.0 |
| 140 | */ |
| 141 | public function _print($plain = false, $default_media = '') |
| 142 | { |
| 143 | if ($this->output_css && $this->output_css_plain) { |
| 144 | return; |
| 145 | } |
| 146 | |
| 147 | $output = ''; |
| 148 | if (!$this->parser->get_cfg('preserve_css')) { |
| 149 | $this->_convert_raw_css($default_media); |
| 150 | } |
| 151 | |
| 152 | $template = &$this->template; |
| 153 | |
| 154 | if ($plain) { |
| 155 | $template = array_map('strip_tags', $template); |
| 156 | } |
| 157 | |
| 158 | if ($this->parser->get_cfg('timestamp')) { |
| 159 | array_unshift($this->tokens, array(csstidyConstants::COMMENT, ' CSSTidy ' . $this->parser->version . ': ' . gmdate('r') . ' ')); |
| 160 | } |
| 161 | |
| 162 | if (!empty($this->charset)) { |
| 163 | $output .= $template[0] . '@charset ' . $template[5] . $this->charset . $template[6] . $template[13]; |
| 164 | } |
| 165 | |
| 166 | if (!empty($this->import)) { |
| 167 | for ($i = 0, $size = count($this->import); $i < $size; $i++) { |
| 168 | if (substr($this->import[$i], 0, 4) === 'url(' && substr($this->import[$i], -1, 1) === ')') { |
| 169 | $this->import[$i] = '"' . substr($this->import[$i], 4, -1) . '"'; |
| 170 | $this->parser->log('Optimised @import : Removed "url("', 'Information'); |
| 171 | } else if (!preg_match('/^".+"$/', $this->import[$i])) { |
| 172 | // fixes a bug for @import ".." instead of the expected @import url("..") |
| 173 | // If it comes in due to @import ".." the "" will be missing and the output will become @import .. (which is an error) |
| 174 | $this->import[$i] = '"' . $this->import[$i] . '"'; |
| 175 | } |
| 176 | |
| 177 | $output .= $template[0] . '@import ' . $template[5] . $this->import[$i] . $template[6] . $template[13]; |
| 178 | } |
| 179 | } |
| 180 | |
| 181 | if (!empty($this->namespace)) { |
| 182 | if (($p = strpos($this->namespace, "url(")) !== false && substr($this->namespace, -1, 1) === ')') { |
| 183 | $this->namespace = substr_replace($this->namespace, '"', $p, 4); |
| 184 | $this->namespace = substr($this->namespace, 0, -1) . '"'; |
| 185 | $this->parser->log('Optimised @namespace : Removed "url("', 'Information'); |
| 186 | } |
| 187 | $output .= $template[0] . '@namespace ' . $template[5] . $this->namespace . $template[6] . $template[13]; |
| 188 | } |
| 189 | |
| 190 | $in_at_out = []; |
| 191 | $out = &$output; |
| 192 | $indent_level = 0; |
| 193 | |
| 194 | foreach ($this->tokens as $key => $token) { |
| 195 | switch ($token[0]) { |
| 196 | case csstidyConstants::AT_START: |
| 197 | $out .= $template[0] . $this->_htmlsp($token[1], $plain) . $template[1]; |
| 198 | $indent_level++; |
| 199 | if (!isset($in_at_out[$indent_level])) { |
| 200 | $in_at_out[$indent_level] = ''; |
| 201 | } |
| 202 | $out = &$in_at_out[$indent_level]; |
| 203 | break; |
| 204 | |
| 205 | case csstidyConstants::SEL_START: |
| 206 | if ($this->parser->get_cfg('lowercase_s')) |
| 207 | $token[1] = strtolower($token[1]); |
| 208 | $out .= ($token[1][0] !== '@') ? $template[2] . $this->_htmlsp($token[1], $plain) : $template[0] . $this->_htmlsp($token[1], $plain); |
| 209 | $out .= $template[3]; |
| 210 | break; |
| 211 | |
| 212 | case csstidyConstants::PROPERTY: |
| 213 | if ($this->parser->get_cfg('case_properties') === 2) { |
| 214 | $token[1] = strtoupper($token[1]); |
| 215 | } elseif ($this->parser->get_cfg('case_properties') === 1) { |
| 216 | $token[1] = strtolower($token[1]); |
| 217 | } |
| 218 | $out .= $template[4] . $this->_htmlsp($token[1], $plain) . ':' . $template[5]; |
| 219 | break; |
| 220 | |
| 221 | case csstidyConstants::VALUE: |
| 222 | $out .= $this->_htmlsp($token[1], $plain); |
| 223 | if ($this->_seeknocomment($key, 1) == csstidyConstants::SEL_END && $this->parser->get_cfg('remove_last_;')) { |
| 224 | $out .= str_replace(';', '', $template[6]); |
| 225 | } else { |
| 226 | $out .= $template[6]; |
| 227 | } |
| 228 | break; |
| 229 | |
| 230 | case csstidyConstants::SEL_END: |
| 231 | $out .= $template[7]; |
| 232 | if ($this->_seeknocomment($key, 1) != csstidyConstants::AT_END) |
| 233 | $out .= $template[8]; |
| 234 | break; |
| 235 | |
| 236 | case csstidyConstants::AT_END: |
| 237 | if (strlen($template[10])) { |
| 238 | // indent the bloc we are closing |
| 239 | $out = str_replace("\n\n", "\r\n", $out); // don't fill empty lines |
| 240 | $out = str_replace("\n", "\n" . $template[10], $out); |
| 241 | $out = str_replace("\r\n", "\n\n", $out); |
| 242 | } |
| 243 | if ($indent_level > 1) { |
| 244 | $out = &$in_at_out[$indent_level - 1]; |
| 245 | } else { |
| 246 | $out = &$output; |
| 247 | } |
| 248 | $out .= $template[10] . $in_at_out[$indent_level]; |
| 249 | if ($this->_seeknocomment($key, 1) != csstidyConstants::AT_END) { |
| 250 | $out .= $template[9]; |
| 251 | } else { |
| 252 | $out .= rtrim($template[9]); |
| 253 | } |
| 254 | |
| 255 | unset($in_at_out[$indent_level]); |
| 256 | $indent_level--; |
| 257 | break; |
| 258 | |
| 259 | case csstidyConstants::IMPORTANT_COMMENT: |
| 260 | case csstidyConstants::COMMENT: |
| 261 | $out .= $template[11] . '/*' . $this->_htmlsp($token[1], $plain) . '*/' . $template[12]; |
| 262 | break; |
| 263 | } |
| 264 | } |
| 265 | |
| 266 | $output = trim($output); |
| 267 | |
| 268 | if (!$plain) { |
| 269 | $this->output_css = $output; |
| 270 | $this->_print(true); |
| 271 | } else { |
| 272 | // If using spaces in the template, don't want these to appear in the plain output |
| 273 | $this->output_css_plain = str_replace(' ', '', $output); |
| 274 | } |
| 275 | } |
| 276 | |
| 277 | /** |
| 278 | * Gets the next token type which is $move away from $key, excluding comments |
| 279 | * @param integer $key current position |
| 280 | * @param integer $move move this far |
| 281 | * @return mixed a token type |
| 282 | * @access private |
| 283 | * @version 1.0 |
| 284 | */ |
| 285 | public function _seeknocomment($key, $move) |
| 286 | { |
| 287 | $go = ($move > 0) ? 1 : -1; |
| 288 | for ($i = $key + 1; abs($key - $i) - 1 < abs($move); $i += $go) { |
| 289 | if (!isset($this->tokens[$i])) { |
| 290 | return; |
| 291 | } |
| 292 | if ($this->tokens[$i][0] == csstidyConstants::COMMENT) { |
| 293 | $move += 1; |
| 294 | continue; |
| 295 | } |
| 296 | return $this->tokens[$i][0]; |
| 297 | } |
| 298 | } |
| 299 | |
| 300 | /** |
| 301 | * Converts $this->css array to a raw array ($this->tokens) |
| 302 | * @param string $default_media default @media to add to selectors without any @media |
| 303 | * @access private |
| 304 | * @version 1.0 |
| 305 | */ |
| 306 | public function _convert_raw_css($default_media = '') |
| 307 | { |
| 308 | $this->tokens = array(); |
| 309 | $sort_selectors = $this->parser->get_cfg('sort_selectors'); |
| 310 | $sort_properties = $this->parser->get_cfg('sort_properties'); |
| 311 | |
| 312 | // important comment section ? |
| 313 | if (isset($this->css['!'])) { |
| 314 | $this->parser->_add_token(csstidyConstants::IMPORTANT_COMMENT, rtrim($this->css['!']), true); |
| 315 | unset($this->css['!']); |
| 316 | } |
| 317 | |
| 318 | foreach ($this->css as $medium => $val) { |
| 319 | if ($sort_selectors) |
| 320 | ksort($val); |
| 321 | if (intval($medium) < csstidyConstants::DEFAULT_AT) { |
| 322 | // un medium vide (contenant @font-face ou autre @) ne produit aucun conteneur |
| 323 | if (strlen(trim($medium))) { |
| 324 | $parts_to_open = explode('{', $medium); |
| 325 | foreach ($parts_to_open as $part) { |
| 326 | $this->parser->_add_token(csstidyConstants::AT_START, $part, true); |
| 327 | } |
| 328 | } |
| 329 | } elseif ($default_media) { |
| 330 | $this->parser->_add_token(csstidyConstants::AT_START, $default_media, true); |
| 331 | } |
| 332 | |
| 333 | foreach ($val as $selector => $vali) { |
| 334 | if ($sort_properties) |
| 335 | ksort($vali); |
| 336 | $this->parser->_add_token(csstidyConstants::SEL_START, $selector, true); |
| 337 | |
| 338 | $invalid = array( |
| 339 | '*' => array(), // IE7 hacks first |
| 340 | '_' => array(), // IE6 hacks |
| 341 | '/' => array(), // IE6 hacks |
| 342 | '-' => array() // IE6 hacks |
| 343 | ); |
| 344 | foreach ($vali as $property => $valj) { |
| 345 | if (strncmp($property, "//", 2) !== 0) { |
| 346 | $matches = array(); |
| 347 | if ($sort_properties && preg_match('/^(\*|_|\/|-)(?!(ms|moz|o\b|xv|atsc|wap|khtml|webkit|ah|hp|ro|rim|tc)-)/', $property, $matches)) { |
| 348 | $invalid[$matches[1]][$property] = $valj; |
| 349 | } else { |
| 350 | $this->parser->_add_token(csstidyConstants::PROPERTY, $property, true); |
| 351 | $this->parser->_add_token(csstidyConstants::VALUE, $valj, true); |
| 352 | } |
| 353 | } |
| 354 | } |
| 355 | foreach ($invalid as $prefix => $props) { |
| 356 | foreach ($props as $property => $valj) { |
| 357 | $this->parser->_add_token(csstidyConstants::PROPERTY, $property, true); |
| 358 | $this->parser->_add_token(csstidyConstants::VALUE, $valj, true); |
| 359 | } |
| 360 | } |
| 361 | $this->parser->_add_token(csstidyConstants::SEL_END, $selector, true); |
| 362 | } |
| 363 | |
| 364 | if (intval($medium) < csstidyConstants::DEFAULT_AT) { |
| 365 | // un medium vide (contenant @font-face ou autre @) ne produit aucun conteneur |
| 366 | if (strlen(trim($medium))) { |
| 367 | $parts_to_close = explode('{', $medium); |
| 368 | foreach (array_reverse($parts_to_close) as $part) { |
| 369 | $this->parser->_add_token(csstidyConstants::AT_END, $part, true); |
| 370 | } |
| 371 | } |
| 372 | } elseif ($default_media) { |
| 373 | $this->parser->_add_token(csstidyConstants::AT_END, $default_media, true); |
| 374 | } |
| 375 | } |
| 376 | } |
| 377 | |
| 378 | /** |
| 379 | * Same as htmlspecialchars, only that chars are not replaced if $plain !== true. This makes print_code() cleaner. |
| 380 | * @param string $string |
| 381 | * @param bool $plain |
| 382 | * @return string |
| 383 | * @see csstidy_print::_print() |
| 384 | * @access private |
| 385 | * @version 1.0 |
| 386 | */ |
| 387 | public function _htmlsp($string, $plain) |
| 388 | { |
| 389 | if (!$plain) { |
| 390 | return htmlspecialchars($string, ENT_QUOTES, 'utf-8'); |
| 391 | } |
| 392 | return $string; |
| 393 | } |
| 394 | |
| 395 | /** |
| 396 | * Get compression ratio |
| 397 | * @access public |
| 398 | * @return float |
| 399 | * @version 1.2 |
| 400 | */ |
| 401 | public function get_ratio() |
| 402 | { |
| 403 | if (!$this->output_css_plain) { |
| 404 | $this->formatted(); |
| 405 | } |
| 406 | return round((strlen($this->input_css) - strlen($this->output_css_plain)) / strlen($this->input_css), 3) * 100; |
| 407 | } |
| 408 | |
| 409 | /** |
| 410 | * Get difference between the old and new code in bytes and prints the code if necessary. |
| 411 | * @access public |
| 412 | * @return string |
| 413 | * @version 1.1 |
| 414 | */ |
| 415 | public function get_diff() |
| 416 | { |
| 417 | if (!$this->output_css_plain) { |
| 418 | $this->formatted(); |
| 419 | } |
| 420 | |
| 421 | $diff = strlen($this->output_css_plain) - strlen($this->input_css); |
| 422 | |
| 423 | if ($diff > 0) { |
| 424 | return '+' . $diff; |
| 425 | } elseif ($diff == 0) { |
| 426 | return '+-' . $diff; |
| 427 | } |
| 428 | |
| 429 | return $diff; |
| 430 | } |
| 431 | |
| 432 | /** |
| 433 | * Get the size of either input or output CSS in KB |
| 434 | * @param string $loc default is "output" |
| 435 | * @access public |
| 436 | * @return integer |
| 437 | * @version 1.0 |
| 438 | */ |
| 439 | public function size($loc = 'output') |
| 440 | { |
| 441 | if ($loc === 'output' && !$this->output_css) { |
| 442 | $this->formatted(); |
| 443 | } |
| 444 | |
| 445 | if ($loc === 'input') { |
| 446 | return (strlen($this->input_css) / 1000); |
| 447 | } else { |
| 448 | return (strlen($this->output_css_plain) / 1000); |
| 449 | } |
| 450 | } |
| 451 | } |
| 452 |