class.csstidy.php
5 days ago
class.csstidy_optimise.php
5 days ago
class.csstidy_print.php
5 days ago
data.inc.php
5 days ago
class.csstidy.php
1394 lines
| 1 | <?php |
| 2 | |
| 3 | namespace SuperbAddons\CSSTidy; |
| 4 | // Added namespace and moved defines to class consts |
| 5 | |
| 6 | defined('ABSPATH') || exit(); |
| 7 | |
| 8 | class csstidyConstants |
| 9 | { |
| 10 | const AT_START = 1; |
| 11 | const AT_END = 2; |
| 12 | const SEL_START = 3; |
| 13 | const SEL_END = 4; |
| 14 | const PROPERTY = 5; |
| 15 | const VALUE = 6; |
| 16 | const COMMENT = 7; |
| 17 | const IMPORTANT_COMMENT = 8; |
| 18 | const DEFAULT_AT = 41; |
| 19 | } |
| 20 | |
| 21 | /** |
| 22 | * CSSTidy - CSS Parser and Optimiser |
| 23 | * |
| 24 | * CSS Parser class |
| 25 | * |
| 26 | * Copyright 2005, 2006, 2007 Florian Schmitz |
| 27 | * |
| 28 | * This file is part of CSSTidy. |
| 29 | * |
| 30 | * CSSTidy is free software; you can redistribute it and/or modify |
| 31 | * it under the terms of the GNU Lesser General Public License as published by |
| 32 | * the Free Software Foundation; either version 2.1 of the License, or |
| 33 | * (at your option) any later version. |
| 34 | * |
| 35 | * CSSTidy is distributed in the hope that it will be useful, |
| 36 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 37 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 38 | * GNU Lesser General Public License for more details. |
| 39 | * |
| 40 | * You should have received a copy of the GNU Lesser General Public License |
| 41 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 42 | * |
| 43 | * @license http://opensource.org/licenses/lgpl-license.php GNU Lesser General Public License |
| 44 | * @package csstidy |
| 45 | * @author Florian Schmitz (floele at gmail dot com) 2005-2007 |
| 46 | * @author Brett Zamir (brettz9 at yahoo dot com) 2007 |
| 47 | * @author Nikolay Matsievsky (speed at webo dot name) 2009-2010 |
| 48 | * @author Cedric Morin (cedric at yterium dot com) 2010-2012 |
| 49 | * @author Christopher Finke (cfinke at gmail.com) 2012 |
| 50 | * @author Mark Scherer (remove $GLOBALS once and for all + PHP5.4 comp) 2012 |
| 51 | */ |
| 52 | |
| 53 | /** |
| 54 | * Contains a class for printing CSS code |
| 55 | * |
| 56 | * @version 1.1.0 |
| 57 | */ |
| 58 | require(__DIR__ . DIRECTORY_SEPARATOR . 'class.csstidy_print.php'); |
| 59 | |
| 60 | /** |
| 61 | * Contains a class for optimising CSS code |
| 62 | * |
| 63 | * @version 1.0 |
| 64 | */ |
| 65 | require(__DIR__ . DIRECTORY_SEPARATOR . 'class.csstidy_optimise.php'); |
| 66 | |
| 67 | /** |
| 68 | * CSS Parser class |
| 69 | * |
| 70 | * This class represents a CSS parser which reads CSS code and saves it in an array. |
| 71 | * In opposite to most other CSS parsers, it does not use regular expressions and |
| 72 | * thus has full CSS2 support and a higher reliability. |
| 73 | * Additional to that it applies some optimisations and fixes to the CSS code. |
| 74 | * An online version should be available here: http://cdburnerxp.se/cssparse/css_optimiser.php |
| 75 | * @package csstidy |
| 76 | * @author Florian Schmitz (floele at gmail dot com) 2005-2006 |
| 77 | * @version 2.2.1 |
| 78 | */ |
| 79 | class csstidy |
| 80 | { |
| 81 | |
| 82 | /** |
| 83 | * Saves the parsed CSS. This array is empty if preserve_css is on. |
| 84 | * @var array |
| 85 | * @access public |
| 86 | */ |
| 87 | public $css = array(); |
| 88 | /** |
| 89 | * Saves the parsed CSS (raw) |
| 90 | * @var array |
| 91 | * @access private |
| 92 | */ |
| 93 | public $tokens = array(); |
| 94 | /** |
| 95 | * Printer class |
| 96 | * @see csstidy_print |
| 97 | * @var object |
| 98 | * @access public |
| 99 | */ |
| 100 | public $print; |
| 101 | /** |
| 102 | * Optimiser class |
| 103 | * @see csstidy_optimise |
| 104 | * @var object |
| 105 | * @access private |
| 106 | */ |
| 107 | public $optimise; |
| 108 | /** |
| 109 | * Saves the CSS charset (@charset) |
| 110 | * @var string |
| 111 | * @access private |
| 112 | */ |
| 113 | public $charset = ''; |
| 114 | /** |
| 115 | * Saves all @import URLs |
| 116 | * @var array |
| 117 | * @access private |
| 118 | */ |
| 119 | public $import = array(); |
| 120 | /** |
| 121 | * Saves the namespace |
| 122 | * @var string |
| 123 | * @access private |
| 124 | */ |
| 125 | public $namespace = ''; |
| 126 | /** |
| 127 | * Contains the version of csstidy |
| 128 | * @var string |
| 129 | * @access private |
| 130 | */ |
| 131 | public $version = '2.0.3'; |
| 132 | /** |
| 133 | * Stores the settings |
| 134 | * @var array |
| 135 | * @access private |
| 136 | */ |
| 137 | public $settings = array(); |
| 138 | /** |
| 139 | * Saves the parser-status. |
| 140 | * |
| 141 | * Possible values: |
| 142 | * - is = in selector |
| 143 | * - ip = in property |
| 144 | * - iv = in value |
| 145 | * - instr = in string (started at " or ' or ( ) |
| 146 | * - ic = in comment (ignore everything) |
| 147 | * - at = in @-block |
| 148 | * |
| 149 | * @var string |
| 150 | * @access private |
| 151 | */ |
| 152 | public $status = 'is'; |
| 153 | /** |
| 154 | * Saves the current at rule (@media) |
| 155 | * @var string |
| 156 | * @access private |
| 157 | */ |
| 158 | public $at = ''; |
| 159 | /** |
| 160 | * Saves the at rule for next selector (during @font-face or other @) |
| 161 | * @var string |
| 162 | * @access private |
| 163 | */ |
| 164 | public $next_selector_at = ''; |
| 165 | |
| 166 | /** |
| 167 | * Saves the current selector |
| 168 | * @var string |
| 169 | * @access private |
| 170 | */ |
| 171 | public $selector = ''; |
| 172 | /** |
| 173 | * Saves the current property |
| 174 | * @var string |
| 175 | * @access private |
| 176 | */ |
| 177 | public $property = ''; |
| 178 | /** |
| 179 | * Saves the position of , in selectors |
| 180 | * @var array |
| 181 | * @access private |
| 182 | */ |
| 183 | public $sel_separate = array(); |
| 184 | /** |
| 185 | * Saves the current value |
| 186 | * @var string |
| 187 | * @access private |
| 188 | */ |
| 189 | public $value = ''; |
| 190 | /** |
| 191 | * Saves the current sub-value |
| 192 | * |
| 193 | * Example for a subvalue: |
| 194 | * background:url(foo.png) red no-repeat; |
| 195 | * "url(foo.png)", "red", and "no-repeat" are subvalues, |
| 196 | * seperated by whitespace |
| 197 | * @var string |
| 198 | * @access private |
| 199 | */ |
| 200 | public $sub_value = ''; |
| 201 | /** |
| 202 | * Array which saves all subvalues for a property. |
| 203 | * @var array |
| 204 | * @see sub_value |
| 205 | * @access private |
| 206 | */ |
| 207 | public $sub_value_arr = array(); |
| 208 | /** |
| 209 | * Saves the stack of characters that opened the current strings |
| 210 | * @var array |
| 211 | * @access private |
| 212 | */ |
| 213 | public $str_char = array(); |
| 214 | public $cur_string = array(); |
| 215 | /** |
| 216 | * Status from which the parser switched to ic or instr |
| 217 | * @var array |
| 218 | * @access private |
| 219 | */ |
| 220 | public $from = array(); |
| 221 | /** |
| 222 | /** |
| 223 | * =true if in invalid at-rule |
| 224 | * @var bool |
| 225 | * @access private |
| 226 | */ |
| 227 | public $invalid_at = false; |
| 228 | /** |
| 229 | * =true if something has been added to the current selector |
| 230 | * @var bool |
| 231 | * @access private |
| 232 | */ |
| 233 | public $added = false; |
| 234 | /** |
| 235 | * Array which saves the message log |
| 236 | * @var array |
| 237 | * @access private |
| 238 | */ |
| 239 | public $log = array(); |
| 240 | /** |
| 241 | * Saves the line number |
| 242 | * @var integer |
| 243 | * @access private |
| 244 | */ |
| 245 | public $line = 1; |
| 246 | /** |
| 247 | * Marks if we need to leave quotes for a string |
| 248 | * @var array |
| 249 | * @access private |
| 250 | */ |
| 251 | public $quoted_string = array(); |
| 252 | |
| 253 | /** |
| 254 | * List of tokens |
| 255 | * @var string |
| 256 | */ |
| 257 | public $tokens_list = ""; |
| 258 | |
| 259 | /** |
| 260 | * Various CSS Data for CSSTidy |
| 261 | * @var array |
| 262 | */ |
| 263 | public $data = array(); |
| 264 | |
| 265 | public $template; |
| 266 | |
| 267 | /** |
| 268 | * Loads standard template and sets default settings |
| 269 | * @access private |
| 270 | * @version 1.3 |
| 271 | */ |
| 272 | public function __construct() |
| 273 | { |
| 274 | $superb_blocks_csstidy_data = array(); |
| 275 | include(__DIR__ . DIRECTORY_SEPARATOR . 'data.inc.php'); |
| 276 | $this->data = $superb_blocks_csstidy_data; |
| 277 | |
| 278 | $this->settings['remove_bslash'] = true; |
| 279 | $this->settings['compress_colors'] = true; |
| 280 | $this->settings['compress_font-weight'] = true; |
| 281 | $this->settings['lowercase_s'] = false; |
| 282 | /* |
| 283 | 1 common shorthands optimization |
| 284 | 2 + font property optimization |
| 285 | 3 + background property optimization |
| 286 | */ |
| 287 | $this->settings['optimise_shorthands'] = 1; |
| 288 | $this->settings['remove_last_;'] = true; |
| 289 | $this->settings['space_before_important'] = false; |
| 290 | /* rewrite all properties with low case, better for later gzip OK, safe*/ |
| 291 | $this->settings['case_properties'] = 1; |
| 292 | /* sort properties in alpabetic order, better for later gzip |
| 293 | * but can cause trouble in case of overiding same propertie or using hack |
| 294 | */ |
| 295 | $this->settings['sort_properties'] = false; |
| 296 | /* |
| 297 | 1, 3, 5, etc -- enable sorting selectors inside @media: a{}b{}c{} |
| 298 | 2, 5, 8, etc -- enable sorting selectors inside one CSS declaration: a,b,c{} |
| 299 | preserve order by default cause it can break functionnality |
| 300 | */ |
| 301 | $this->settings['sort_selectors'] = 0; |
| 302 | /* is dangeroues to be used: CSS is broken sometimes */ |
| 303 | $this->settings['merge_selectors'] = 0; |
| 304 | /* preserve or not browser hacks */ |
| 305 | |
| 306 | /* Useful to produce a rtl css from a ltr one (or the opposite) */ |
| 307 | $this->settings['reverse_left_and_right'] = 0; |
| 308 | |
| 309 | $this->settings['discard_invalid_selectors'] = false; |
| 310 | $this->settings['discard_invalid_properties'] = false; |
| 311 | $this->settings['css_level'] = 'CSS3.0'; |
| 312 | $this->settings['preserve_css'] = false; |
| 313 | $this->settings['timestamp'] = false; |
| 314 | $this->settings['template'] = ''; // say that propertie exist |
| 315 | $this->set_cfg('template', 'default'); // call load_template |
| 316 | $this->optimise = new csstidy_optimise($this); |
| 317 | |
| 318 | $this->tokens_list = &$this->data['csstidy']['tokens']; |
| 319 | } |
| 320 | |
| 321 | /** |
| 322 | * Get the value of a setting. |
| 323 | * @param string $setting |
| 324 | * @access public |
| 325 | * @return mixed |
| 326 | * @version 1.0 |
| 327 | */ |
| 328 | public function get_cfg($setting) |
| 329 | { |
| 330 | if (isset($this->settings[$setting])) { |
| 331 | return $this->settings[$setting]; |
| 332 | } |
| 333 | return false; |
| 334 | } |
| 335 | |
| 336 | /** |
| 337 | * Load a template |
| 338 | * @param string $template used by set_cfg to load a template via a configuration setting |
| 339 | * @access private |
| 340 | * @version 1.4 |
| 341 | */ |
| 342 | public function _load_template($template) |
| 343 | { |
| 344 | switch ($template) { |
| 345 | case 'default': |
| 346 | $this->load_template('default'); |
| 347 | break; |
| 348 | |
| 349 | case 'highest': |
| 350 | $this->load_template('highest_compression'); |
| 351 | break; |
| 352 | |
| 353 | case 'high': |
| 354 | $this->load_template('high_compression'); |
| 355 | break; |
| 356 | |
| 357 | case 'low': |
| 358 | $this->load_template('low_compression'); |
| 359 | break; |
| 360 | |
| 361 | default: |
| 362 | $this->load_template($template); |
| 363 | break; |
| 364 | } |
| 365 | } |
| 366 | |
| 367 | /** |
| 368 | * Set the value of a setting. |
| 369 | * @param string $setting |
| 370 | * @param mixed $value |
| 371 | * @access public |
| 372 | * @return bool |
| 373 | * @version 1.0 |
| 374 | */ |
| 375 | public function set_cfg($setting, $value = null) |
| 376 | { |
| 377 | if (is_array($setting) && $value === null) { |
| 378 | foreach ($setting as $setprop => $setval) { |
| 379 | $this->settings[$setprop] = $setval; |
| 380 | } |
| 381 | if (array_key_exists('template', $setting)) { |
| 382 | $this->_load_template($this->settings['template']); |
| 383 | } |
| 384 | return true; |
| 385 | } elseif (isset($this->settings[$setting]) && $value !== '') { |
| 386 | $this->settings[$setting] = $value; |
| 387 | if ($setting === 'template') { |
| 388 | $this->_load_template($this->settings['template']); |
| 389 | } |
| 390 | return true; |
| 391 | } |
| 392 | return false; |
| 393 | } |
| 394 | |
| 395 | /** |
| 396 | * Adds a token to $this->tokens |
| 397 | * @param mixed $type |
| 398 | * @param string $data |
| 399 | * @param bool $do add a token even if preserve_css is off |
| 400 | * @access private |
| 401 | * @version 1.0 |
| 402 | */ |
| 403 | public function _add_token($type, $data, $do = false) |
| 404 | { |
| 405 | if ($this->get_cfg('preserve_css') || $do) { |
| 406 | // nested @... : if opening a new part we just closed, remove the previous closing instead of adding opening |
| 407 | if ( |
| 408 | $type === csstidyConstants::AT_START |
| 409 | and count($this->tokens) |
| 410 | and $last = end($this->tokens) |
| 411 | and $last[0] === csstidyConstants::AT_END |
| 412 | and $last[1] === trim($data) |
| 413 | ) { |
| 414 | array_pop($this->tokens); |
| 415 | } else { |
| 416 | $this->tokens[] = array($type, ($type == csstidyConstants::COMMENT or $type == csstidyConstants::IMPORTANT_COMMENT) ? $data : trim($data)); |
| 417 | } |
| 418 | } |
| 419 | } |
| 420 | |
| 421 | /** |
| 422 | * Add a message to the message log |
| 423 | * @param string $message |
| 424 | * @param string $type |
| 425 | * @param integer $line |
| 426 | * @access private |
| 427 | * @version 1.0 |
| 428 | */ |
| 429 | public function log($message, $type, $line = -1) |
| 430 | { |
| 431 | if ($line === -1) { |
| 432 | $line = $this->line; |
| 433 | } |
| 434 | $line = intval($line); |
| 435 | $add = array('m' => $message, 't' => $type); |
| 436 | if (!isset($this->log[$line]) || !in_array($add, $this->log[$line])) { |
| 437 | $this->log[$line][] = $add; |
| 438 | } |
| 439 | } |
| 440 | |
| 441 | /** |
| 442 | * Parse unicode notations and find a replacement character |
| 443 | * @param string $string |
| 444 | * @param integer $i |
| 445 | * @access private |
| 446 | * @return string |
| 447 | * @version 1.2 |
| 448 | */ |
| 449 | public function _unicode(&$string, &$i) |
| 450 | { |
| 451 | ++$i; |
| 452 | $add = ''; |
| 453 | $replaced = false; |
| 454 | |
| 455 | while ($i < strlen($string) && (ctype_xdigit($string[$i]) || ctype_space($string[$i])) && strlen($add) < 6) { |
| 456 | $add .= $string[$i]; |
| 457 | |
| 458 | if (ctype_space($string[$i])) { |
| 459 | break; |
| 460 | } |
| 461 | $i++; |
| 462 | } |
| 463 | |
| 464 | if (hexdec($add) > 47 && hexdec($add) < 58 || hexdec($add) > 64 && hexdec($add) < 91 || hexdec($add) > 96 && hexdec($add) < 123) { |
| 465 | $this->log('Replaced unicode notation: Changed \\' . $add . ' to ' . chr(hexdec($add)), 'Information'); |
| 466 | $add = chr(hexdec($add)); |
| 467 | $replaced = true; |
| 468 | } else { |
| 469 | $add = trim('\\' . $add); |
| 470 | } |
| 471 | |
| 472 | if ( |
| 473 | @ctype_xdigit($string[$i + 1]) && ctype_space($string[$i]) |
| 474 | && !$replaced || !ctype_space($string[$i]) |
| 475 | ) { |
| 476 | $i--; |
| 477 | } |
| 478 | |
| 479 | if ($add !== '\\' || !$this->get_cfg('remove_bslash') || strpos($this->tokens_list, $string[$i + 1]) !== false) { |
| 480 | return $add; |
| 481 | } |
| 482 | |
| 483 | if ($add === '\\') { |
| 484 | $this->log('Removed unnecessary backslash', 'Information'); |
| 485 | } |
| 486 | return ''; |
| 487 | } |
| 488 | |
| 489 | /** |
| 490 | * Write plain output to a file // Updated for WP |
| 491 | * @param string $filename |
| 492 | * @param bool $formatted whether to print formatted or not |
| 493 | * @param string $doctype when printing formatted, is a shorthand for the document type |
| 494 | * @param bool $externalcss when printing formatted, indicates whether styles to be attached internally or as an external stylesheet |
| 495 | * @param string $title when printing formatted, is the title to be added in the head of the document |
| 496 | * @param string $lang when printing formatted, gives a two-letter language code to be added to the output |
| 497 | * @param bool $pre_code whether to add pre and code tags around the code (for light HTML formatted templates) |
| 498 | * @access public |
| 499 | * @version 1.4 |
| 500 | */ |
| 501 | public function write($filename, $formatted = false, $doctype = 'xhtml1.1', $externalcss = true, $title = '', $lang = 'en', $pre_code = true) |
| 502 | { |
| 503 | // Append file extension |
| 504 | $filename .= ($formatted) ? '.xhtml' : '.css'; |
| 505 | |
| 506 | // Get WP Filesystem |
| 507 | global $wp_filesystem; |
| 508 | if (!$wp_filesystem) { |
| 509 | require_once(ABSPATH . 'wp-admin/includes/file.php'); |
| 510 | WP_Filesystem(); |
| 511 | } |
| 512 | |
| 513 | // Create temp directory if it doesn't exist |
| 514 | $upload_dir = wp_upload_dir(); |
| 515 | $temp_dir = trailingslashit($upload_dir['path'] . '/csstidy-temp'); |
| 516 | if (!$wp_filesystem->exists($temp_dir)) { |
| 517 | if (!$wp_filesystem->mkdir($temp_dir)) { |
| 518 | return false; // Unable to create directory |
| 519 | } |
| 520 | } |
| 521 | |
| 522 | // Full path to file |
| 523 | $filepath = $temp_dir . '/' . $filename; |
| 524 | |
| 525 | // Write file contents |
| 526 | if (!$formatted) { |
| 527 | if (!$wp_filesystem->put_contents($filepath, $this->print->plain(), FS_CHMOD_FILE)) { |
| 528 | return false; // Unable to write file |
| 529 | } |
| 530 | } |
| 531 | |
| 532 | return true; |
| 533 | } |
| 534 | |
| 535 | /** |
| 536 | * Loads a new template |
| 537 | * @param string $content either filename (if $from_file == true), content of a template file, "high_compression", "highest_compression", "low_compression", or "default" |
| 538 | * @param bool $from_file uses $content as filename if true |
| 539 | * @access public |
| 540 | * @version 1.1 |
| 541 | * @see http://csstidy.sourceforge.net/templates.php |
| 542 | */ |
| 543 | public function load_template($content, $from_file = true) |
| 544 | { |
| 545 | $predefined_templates = &$this->data['csstidy']['predefined_templates']; |
| 546 | if ($content === 'high_compression' || $content === 'default' || $content === 'highest_compression' || $content === 'low_compression') { |
| 547 | $this->template = $predefined_templates[$content]; |
| 548 | return; |
| 549 | } |
| 550 | |
| 551 | $content = str_replace("\r\n", "\n", $content); // Unify newlines (because the output also only uses \n) |
| 552 | $template = explode('|', $content); |
| 553 | |
| 554 | for ($i = 0; $i < count($template); $i++) { |
| 555 | $this->template[$i] = $template[$i]; |
| 556 | } |
| 557 | } |
| 558 | |
| 559 | |
| 560 | /** |
| 561 | * Checks if there is a token at the current position |
| 562 | * @param string $string |
| 563 | * @param integer $i |
| 564 | * @access public |
| 565 | * @version 1.11 |
| 566 | */ |
| 567 | public function is_token(&$string, $i) |
| 568 | { |
| 569 | return (strpos($this->tokens_list, $string[$i]) !== false && !$this->escaped($string, $i)); |
| 570 | } |
| 571 | |
| 572 | /** |
| 573 | * Parses CSS in $string. The code is saved as array in $this->css |
| 574 | * @param string $string the CSS code |
| 575 | * @access public |
| 576 | * @return bool |
| 577 | * @version 1.1 |
| 578 | */ |
| 579 | public function parse($string) |
| 580 | { |
| 581 | // Temporarily set locale to en_US in order to handle floats properly |
| 582 | $old = @setlocale(LC_ALL, 0); |
| 583 | @setlocale(LC_ALL, 'C'); |
| 584 | |
| 585 | // PHP bug? Settings need to be refreshed in PHP4 |
| 586 | $this->print = new csstidy_print($this); |
| 587 | $this->optimise = new csstidy_optimise($this); |
| 588 | |
| 589 | $all_properties = &$this->data['csstidy']['all_properties']; |
| 590 | $at_rules = &$this->data['csstidy']['at_rules']; |
| 591 | $quoted_string_properties = &$this->data['csstidy']['quoted_string_properties']; |
| 592 | |
| 593 | $this->css = array(); |
| 594 | $this->print->input_css = $string; |
| 595 | $string = str_replace("\r\n", "\n", $string) . ' '; |
| 596 | $cur_comment = ''; |
| 597 | $cur_at = ''; |
| 598 | |
| 599 | for ($i = 0, $size = strlen($string); $i < $size; $i++) { |
| 600 | if ($string[$i] === "\n" || $string[$i] === "\r") { |
| 601 | ++$this->line; |
| 602 | } |
| 603 | |
| 604 | switch ($this->status) { |
| 605 | /* Case in at-block */ |
| 606 | case 'at': |
| 607 | if ($this->is_token($string, $i)) { |
| 608 | if ($string[$i] === '/' && @$string[$i + 1] === '*') { |
| 609 | $this->status = 'ic'; |
| 610 | ++$i; |
| 611 | $this->from[] = 'at'; |
| 612 | } elseif ($string[$i] === '{') { |
| 613 | $this->status = 'is'; |
| 614 | $this->at = $this->css_new_media_section($this->at, $cur_at); |
| 615 | $this->_add_token(csstidyConstants::AT_START, $this->at); |
| 616 | } elseif ($string[$i] === ',') { |
| 617 | $cur_at = trim($cur_at) . ','; |
| 618 | } elseif ($string[$i] === '\\') { |
| 619 | $cur_at .= $this->_unicode($string, $i); |
| 620 | } |
| 621 | // fix for complicated media, i.e @media screen and (-webkit-min-device-pixel-ratio:1.5) |
| 622 | elseif (in_array($string[$i], array('(', ')', ':', '.', '/'))) { |
| 623 | $cur_at .= $string[$i]; |
| 624 | } |
| 625 | } else { |
| 626 | $lastpos = strlen($cur_at) - 1; |
| 627 | if (!((ctype_space($cur_at[$lastpos]) || $this->is_token($cur_at, $lastpos) && $cur_at[$lastpos] === ',') && ctype_space($string[$i]))) { |
| 628 | $cur_at .= $string[$i]; |
| 629 | } |
| 630 | } |
| 631 | break; |
| 632 | |
| 633 | /* Case in-selector */ |
| 634 | case 'is': |
| 635 | if ($this->is_token($string, $i)) { |
| 636 | if ($string[$i] === '/' && @$string[$i + 1] === '*' && trim($this->selector) == '') { |
| 637 | $this->status = 'ic'; |
| 638 | ++$i; |
| 639 | $this->from[] = 'is'; |
| 640 | } elseif ($string[$i] === '@' && trim($this->selector) == '') { |
| 641 | // Check for at-rule |
| 642 | $this->invalid_at = true; |
| 643 | foreach ($at_rules as $name => $type) { |
| 644 | if (!strcasecmp(substr($string, $i + 1, strlen($name)), $name)) { |
| 645 | ($type === 'at') ? $cur_at = '@' . $name : $this->selector = '@' . $name; |
| 646 | if ($type === 'atis') { |
| 647 | $this->next_selector_at = ($this->next_selector_at ? $this->next_selector_at : ($this->at ? $this->at : csstidyConstants::DEFAULT_AT)); |
| 648 | $this->at = $this->css_new_media_section($this->at, ' ', true); |
| 649 | $type = 'is'; |
| 650 | } |
| 651 | $this->status = $type; |
| 652 | $i += strlen($name); |
| 653 | $this->invalid_at = false; |
| 654 | break; |
| 655 | } |
| 656 | } |
| 657 | |
| 658 | if ($this->invalid_at) { |
| 659 | $this->selector = '@'; |
| 660 | $invalid_at_name = ''; |
| 661 | for ($j = $i + 1; $j < $size; ++$j) { |
| 662 | if (!ctype_alpha($string[$j])) { |
| 663 | break; |
| 664 | } |
| 665 | $invalid_at_name .= $string[$j]; |
| 666 | } |
| 667 | $this->log('Invalid @-rule: ' . $invalid_at_name . ' (removed)', 'Warning'); |
| 668 | } |
| 669 | } elseif (($string[$i] === '"' || $string[$i] === "'")) { |
| 670 | $this->cur_string[] = $string[$i]; |
| 671 | $this->status = 'instr'; |
| 672 | $this->str_char[] = $string[$i]; |
| 673 | $this->from[] = 'is'; |
| 674 | /* fixing CSS3 attribute selectors, i.e. a[href$=".mp3" */ |
| 675 | $this->quoted_string[] = ($string[$i - 1] === '='); |
| 676 | } elseif ($this->invalid_at && $string[$i] === ';') { |
| 677 | $this->invalid_at = false; |
| 678 | $this->status = 'is'; |
| 679 | if ($this->next_selector_at) { |
| 680 | $this->at = $this->css_close_media_section($this->at); |
| 681 | $this->at = $this->css_new_media_section($this->at, $this->next_selector_at); |
| 682 | $this->next_selector_at = ''; |
| 683 | } |
| 684 | } elseif ($string[$i] === '{') { |
| 685 | $this->status = 'ip'; |
| 686 | if ($this->at == '') { |
| 687 | $this->at = $this->css_new_media_section($this->at, csstidyConstants::DEFAULT_AT); |
| 688 | } |
| 689 | $this->selector = $this->css_new_selector($this->at, $this->selector); |
| 690 | $this->_add_token(csstidyConstants::SEL_START, $this->selector); |
| 691 | $this->added = false; |
| 692 | } elseif ($string[$i] === '}') { |
| 693 | $this->_add_token(csstidyConstants::AT_END, $this->at); |
| 694 | $this->at = $this->css_close_media_section($this->at); |
| 695 | $this->selector = ''; |
| 696 | $this->sel_separate = array(); |
| 697 | } elseif ($string[$i] === ',') { |
| 698 | $this->selector = trim($this->selector) . ','; |
| 699 | $this->sel_separate[] = strlen($this->selector); |
| 700 | } elseif ($string[$i] === '\\') { |
| 701 | $this->selector .= $this->_unicode($string, $i); |
| 702 | } elseif ($string[$i] === '*' && @in_array($string[$i + 1], array('.', '#', '[', ':')) && ($i == 0 or $string[$i - 1] !== '/')) { |
| 703 | // remove unnecessary universal selector, FS#147, but not comment in selector |
| 704 | } else { |
| 705 | $this->selector .= $string[$i]; |
| 706 | } |
| 707 | } else { |
| 708 | $lastpos = strlen($this->selector) - 1; |
| 709 | if ($lastpos == -1 || !((ctype_space($this->selector[$lastpos]) || $this->is_token($this->selector, $lastpos) && $this->selector[$lastpos] === ',') && ctype_space($string[$i]))) { |
| 710 | $this->selector .= $string[$i]; |
| 711 | } |
| 712 | } |
| 713 | break; |
| 714 | |
| 715 | /* Case in-property */ |
| 716 | case 'ip': |
| 717 | if ($this->is_token($string, $i)) { |
| 718 | if (($string[$i] === ':' || $string[$i] === '=') && $this->property != '') { |
| 719 | $this->status = 'iv'; |
| 720 | if (!$this->get_cfg('discard_invalid_properties') || $this->property_is_valid($this->property)) { |
| 721 | $this->property = $this->css_new_property($this->at, $this->selector, $this->property); |
| 722 | $this->_add_token(csstidyConstants::PROPERTY, $this->property); |
| 723 | } |
| 724 | } elseif ($string[$i] === '/' && @$string[$i + 1] === '*' && $this->property == '') { |
| 725 | $this->status = 'ic'; |
| 726 | ++$i; |
| 727 | $this->from[] = 'ip'; |
| 728 | } elseif ($string[$i] === '}') { |
| 729 | $this->explode_selectors(); |
| 730 | $this->status = 'is'; |
| 731 | $this->invalid_at = false; |
| 732 | $this->_add_token(csstidyConstants::SEL_END, $this->selector); |
| 733 | $this->selector = ''; |
| 734 | $this->property = ''; |
| 735 | if ($this->next_selector_at) { |
| 736 | $this->at = $this->css_close_media_section($this->at); |
| 737 | $this->at = $this->css_new_media_section($this->at, $this->next_selector_at); |
| 738 | $this->next_selector_at = ''; |
| 739 | } |
| 740 | } elseif ($string[$i] === ';') { |
| 741 | $this->property = ''; |
| 742 | } elseif ($string[$i] === '\\') { |
| 743 | $this->property .= $this->_unicode($string, $i); |
| 744 | } |
| 745 | // else this is dumb IE a hack, keep it |
| 746 | // including // |
| 747 | elseif (($this->property === '' && !ctype_space($string[$i])) |
| 748 | || ($this->property === '/' || $string[$i] === '/') |
| 749 | ) { |
| 750 | $this->property .= $string[$i]; |
| 751 | } |
| 752 | } elseif (!ctype_space($string[$i])) { |
| 753 | $this->property .= $string[$i]; |
| 754 | } |
| 755 | break; |
| 756 | |
| 757 | /* Case in-value */ |
| 758 | case 'iv': |
| 759 | $pn = (($string[$i] === "\n" || $string[$i] === "\r") && $this->property_is_next($string, $i + 1) || $i == strlen($string) - 1); |
| 760 | if ($this->is_token($string, $i) || $pn) { |
| 761 | if ($string[$i] === '/' && @$string[$i + 1] === '*') { |
| 762 | $this->status = 'ic'; |
| 763 | ++$i; |
| 764 | $this->from[] = 'iv'; |
| 765 | } elseif (($string[$i] === '"' || $string[$i] === "'" || $string[$i] === '(')) { |
| 766 | $this->cur_string[] = $string[$i]; |
| 767 | $this->str_char[] = ($string[$i] === '(') ? ')' : $string[$i]; |
| 768 | $this->status = 'instr'; |
| 769 | $this->from[] = 'iv'; |
| 770 | $this->quoted_string[] = in_array(strtolower($this->property), $quoted_string_properties); |
| 771 | } elseif ($string[$i] === ',') { |
| 772 | $this->sub_value = trim($this->sub_value) . ','; |
| 773 | } elseif ($string[$i] === '\\') { |
| 774 | $this->sub_value .= $this->_unicode($string, $i); |
| 775 | } elseif ($string[$i] === ';' || $pn) { |
| 776 | if ($this->selector[0] === '@' && isset($at_rules[substr($this->selector, 1)]) && $at_rules[substr($this->selector, 1)] === 'iv') { |
| 777 | /* Add quotes to charset, import, namespace */ |
| 778 | $this->sub_value_arr[] = trim($this->sub_value); |
| 779 | |
| 780 | $this->status = 'is'; |
| 781 | |
| 782 | switch ($this->selector) { |
| 783 | case '@charset': |
| 784 | $this->charset = '"' . $this->sub_value_arr[0] . '"'; |
| 785 | break; |
| 786 | case '@namespace': |
| 787 | $this->namespace = implode(' ', $this->sub_value_arr); |
| 788 | break; |
| 789 | case '@import': |
| 790 | $this->import[] = implode(' ', $this->sub_value_arr); |
| 791 | break; |
| 792 | } |
| 793 | |
| 794 | $this->sub_value_arr = array(); |
| 795 | $this->sub_value = ''; |
| 796 | $this->selector = ''; |
| 797 | $this->sel_separate = array(); |
| 798 | } else { |
| 799 | $this->status = 'ip'; |
| 800 | } |
| 801 | } elseif ($string[$i] !== '}') { |
| 802 | $this->sub_value .= $string[$i]; |
| 803 | } |
| 804 | if (($string[$i] === '}' || $string[$i] === ';' || $pn) && !empty($this->selector)) { |
| 805 | if ($this->at == '') { |
| 806 | $this->at = $this->css_new_media_section($this->at, csstidyConstants::DEFAULT_AT); |
| 807 | } |
| 808 | |
| 809 | // case settings |
| 810 | if ($this->get_cfg('lowercase_s')) { |
| 811 | $this->selector = strtolower($this->selector); |
| 812 | } |
| 813 | $this->property = strtolower($this->property); |
| 814 | |
| 815 | $this->optimise->subvalue(); |
| 816 | if ($this->sub_value != '') { |
| 817 | $this->sub_value_arr[] = $this->sub_value; |
| 818 | $this->sub_value = ''; |
| 819 | } |
| 820 | |
| 821 | $this->value = ''; |
| 822 | while (count($this->sub_value_arr)) { |
| 823 | $sub = array_shift($this->sub_value_arr); |
| 824 | if (strstr($this->selector, 'font-face')) { |
| 825 | $sub = $this->quote_font_format($sub); |
| 826 | } |
| 827 | |
| 828 | if ($sub != '') |
| 829 | $this->value .= ((!strlen($this->value) || substr($this->value, -1, 1) === ',') ? '' : ' ') . $sub; |
| 830 | } |
| 831 | |
| 832 | $this->optimise->value(); |
| 833 | |
| 834 | $valid = $this->property_is_valid($this->property); |
| 835 | if ((!$this->invalid_at || $this->get_cfg('preserve_css')) && (!$this->get_cfg('discard_invalid_properties') || $valid)) { |
| 836 | $this->css_add_property($this->at, $this->selector, $this->property, $this->value); |
| 837 | $this->_add_token(csstidyConstants::VALUE, $this->value); |
| 838 | $this->optimise->shorthands(); |
| 839 | } |
| 840 | if (!$valid) { |
| 841 | if ($this->get_cfg('discard_invalid_properties')) { |
| 842 | $this->log('Removed invalid property: ' . $this->property, 'Warning'); |
| 843 | } else { |
| 844 | $this->log('Invalid property in ' . strtoupper($this->get_cfg('css_level')) . ': ' . $this->property, 'Warning'); |
| 845 | } |
| 846 | } |
| 847 | |
| 848 | $this->property = ''; |
| 849 | $this->sub_value_arr = array(); |
| 850 | $this->value = ''; |
| 851 | } |
| 852 | if ($string[$i] === '}') { |
| 853 | $this->explode_selectors(); |
| 854 | $this->_add_token(csstidyConstants::SEL_END, $this->selector); |
| 855 | $this->status = 'is'; |
| 856 | $this->invalid_at = false; |
| 857 | $this->selector = ''; |
| 858 | if ($this->next_selector_at) { |
| 859 | $this->at = $this->css_close_media_section($this->at); |
| 860 | $this->at = $this->css_new_media_section($this->at, $this->next_selector_at); |
| 861 | $this->next_selector_at = ''; |
| 862 | } |
| 863 | } |
| 864 | } elseif (!$pn) { |
| 865 | $this->sub_value .= $string[$i]; |
| 866 | |
| 867 | if (ctype_space($string[$i])) { |
| 868 | $this->optimise->subvalue(); |
| 869 | if ($this->sub_value != '') { |
| 870 | $this->sub_value_arr[] = $this->sub_value; |
| 871 | $this->sub_value = ''; |
| 872 | } |
| 873 | } |
| 874 | } |
| 875 | break; |
| 876 | |
| 877 | /* Case in string */ |
| 878 | case 'instr': |
| 879 | $_str_char = $this->str_char[count($this->str_char) - 1]; |
| 880 | $_cur_string = $this->cur_string[count($this->cur_string) - 1]; |
| 881 | $_quoted_string = $this->quoted_string[count($this->quoted_string) - 1]; |
| 882 | $temp_add = $string[$i]; |
| 883 | |
| 884 | // Add another string to the stack. Strings can't be nested inside of quotes, only parentheses, but |
| 885 | // parentheticals can be nested more than once. |
| 886 | if ($_str_char === ")" && ($string[$i] === "(" || $string[$i] === '"' || $string[$i] === '\'') && !$this->escaped($string, $i)) { |
| 887 | $this->cur_string[] = $string[$i]; |
| 888 | $this->str_char[] = $string[$i] === '(' ? ')' : $string[$i]; |
| 889 | $this->from[] = 'instr'; |
| 890 | $this->quoted_string[] = ($_str_char === ')' && $string[$i] !== '(' && trim($_cur_string) === '(') ? $_quoted_string : !($string[$i] === '('); |
| 891 | continue 2; |
| 892 | } |
| 893 | |
| 894 | if ($_str_char !== ")" && ($string[$i] === "\n" || $string[$i] === "\r") && !($string[$i - 1] === '\\' && !$this->escaped($string, $i - 1))) { |
| 895 | $temp_add = "\\A"; |
| 896 | $this->log('Fixed incorrect newline in string', 'Warning'); |
| 897 | } |
| 898 | |
| 899 | $_cur_string .= $temp_add; |
| 900 | |
| 901 | if ($string[$i] === $_str_char && !$this->escaped($string, $i)) { |
| 902 | $this->status = array_pop($this->from); |
| 903 | |
| 904 | if (!preg_match('|[' . implode('', $this->data['csstidy']['whitespace']) . ']|uis', $_cur_string) && $this->property !== 'content') { |
| 905 | if (!$_quoted_string) { |
| 906 | if ($_str_char !== ')') { |
| 907 | // Convert properties like |
| 908 | // font-family: 'Arial'; |
| 909 | // to |
| 910 | // font-family: Arial; |
| 911 | // or |
| 912 | // url("abc") |
| 913 | // to |
| 914 | // url(abc) |
| 915 | $_cur_string = substr($_cur_string, 1, -1); |
| 916 | } |
| 917 | } else { |
| 918 | $_quoted_string = false; |
| 919 | } |
| 920 | } |
| 921 | |
| 922 | array_pop($this->cur_string); |
| 923 | array_pop($this->quoted_string); |
| 924 | array_pop($this->str_char); |
| 925 | |
| 926 | if ($_str_char === ')') { |
| 927 | $_cur_string = '(' . trim(substr($_cur_string, 1, -1)) . ')'; |
| 928 | } |
| 929 | |
| 930 | if ($this->status === 'iv') { |
| 931 | if (!$_quoted_string) { |
| 932 | if (strpos($_cur_string, ',') !== false) |
| 933 | // we can on only remove space next to ',' |
| 934 | $_cur_string = implode(',', array_map('trim', explode(',', $_cur_string))); |
| 935 | // and multiple spaces (too expensive) |
| 936 | if (strpos($_cur_string, ' ') !== false) |
| 937 | $_cur_string = preg_replace(",\s+,", ' ', $_cur_string); |
| 938 | } |
| 939 | $this->sub_value .= $_cur_string; |
| 940 | } elseif ($this->status === 'is') { |
| 941 | $this->selector .= $_cur_string; |
| 942 | } elseif ($this->status === 'instr') { |
| 943 | $this->cur_string[count($this->cur_string) - 1] .= $_cur_string; |
| 944 | } |
| 945 | } else { |
| 946 | $this->cur_string[count($this->cur_string) - 1] = $_cur_string; |
| 947 | } |
| 948 | break; |
| 949 | |
| 950 | /* Case in-comment */ |
| 951 | case 'ic': |
| 952 | if ($string[$i] === '*' && $string[$i + 1] === '/') { |
| 953 | $this->status = array_pop($this->from); |
| 954 | $i++; |
| 955 | if (strlen($cur_comment) > 1 and strncmp($cur_comment, '!', 1) === 0) { |
| 956 | $this->_add_token(csstidyConstants::IMPORTANT_COMMENT, $cur_comment); |
| 957 | $this->css_add_important_comment($cur_comment); |
| 958 | } else { |
| 959 | $this->_add_token(csstidyConstants::COMMENT, $cur_comment); |
| 960 | } |
| 961 | $cur_comment = ''; |
| 962 | } else { |
| 963 | $cur_comment .= $string[$i]; |
| 964 | } |
| 965 | break; |
| 966 | } |
| 967 | } |
| 968 | |
| 969 | $this->optimise->postparse(); |
| 970 | |
| 971 | $this->print->_reset(); |
| 972 | |
| 973 | @setlocale(LC_ALL, $old); // Set locale back to original setting |
| 974 | |
| 975 | return !(empty($this->css) && empty($this->import) && empty($this->charset) && empty($this->tokens) && empty($this->namespace)); |
| 976 | } |
| 977 | |
| 978 | |
| 979 | /** |
| 980 | * format() in font-face needs quoted values for somes browser (FF at least) |
| 981 | * |
| 982 | * @param $value |
| 983 | * @return string |
| 984 | */ |
| 985 | public function quote_font_format($value) |
| 986 | { |
| 987 | if (strncmp($value, 'format', 6) == 0) { |
| 988 | $p = strpos($value, ')', 7); |
| 989 | $end = substr($value, $p); |
| 990 | $format_strings = $this->parse_string_list(substr($value, 7, $p - 7)); |
| 991 | if (!$format_strings) { |
| 992 | $value = ''; |
| 993 | } else { |
| 994 | $value = 'format('; |
| 995 | |
| 996 | foreach ($format_strings as $format_string) { |
| 997 | $value .= '"' . str_replace('"', '\\"', $format_string) . '",'; |
| 998 | } |
| 999 | |
| 1000 | $value = substr($value, 0, -1) . $end; |
| 1001 | } |
| 1002 | } |
| 1003 | return $value; |
| 1004 | } |
| 1005 | |
| 1006 | /** |
| 1007 | * Explodes selectors |
| 1008 | * @access private |
| 1009 | * @version 1.0 |
| 1010 | */ |
| 1011 | public function explode_selectors() |
| 1012 | { |
| 1013 | // Explode multiple selectors |
| 1014 | if ($this->get_cfg('merge_selectors') === 1) { |
| 1015 | $new_sels = array(); |
| 1016 | $lastpos = 0; |
| 1017 | $this->sel_separate[] = strlen($this->selector); |
| 1018 | foreach ($this->sel_separate as $num => $pos) { |
| 1019 | if ($num == count($this->sel_separate) - 1) { |
| 1020 | $pos += 1; |
| 1021 | } |
| 1022 | |
| 1023 | $new_sels[] = substr($this->selector, $lastpos, $pos - $lastpos - 1); |
| 1024 | $lastpos = $pos; |
| 1025 | } |
| 1026 | |
| 1027 | if (count($new_sels) > 1) { |
| 1028 | foreach ($new_sels as $selector) { |
| 1029 | if (isset($this->css[$this->at][$this->selector])) { |
| 1030 | $this->merge_css_blocks($this->at, $selector, $this->css[$this->at][$this->selector]); |
| 1031 | } |
| 1032 | } |
| 1033 | unset($this->css[$this->at][$this->selector]); |
| 1034 | } |
| 1035 | } |
| 1036 | $this->sel_separate = array(); |
| 1037 | } |
| 1038 | |
| 1039 | /** |
| 1040 | * Checks if a character is escaped (and returns true if it is) |
| 1041 | * @param string $string |
| 1042 | * @param integer $pos |
| 1043 | * @access public |
| 1044 | * @return bool |
| 1045 | * @version 1.02 |
| 1046 | */ |
| 1047 | static function escaped(&$string, $pos) |
| 1048 | { |
| 1049 | return !(@($string[$pos - 1] !== '\\') || csstidy::escaped($string, $pos - 1)); |
| 1050 | } |
| 1051 | |
| 1052 | |
| 1053 | /** |
| 1054 | * Add an important comment to the css code |
| 1055 | * (one we want to keep) |
| 1056 | * @param $comment |
| 1057 | */ |
| 1058 | public function css_add_important_comment($comment) |
| 1059 | { |
| 1060 | if ($this->get_cfg('preserve_css') || trim($comment) == '') { |
| 1061 | return; |
| 1062 | } |
| 1063 | if (!isset($this->css['!'])) { |
| 1064 | $this->css['!'] = ''; |
| 1065 | } else { |
| 1066 | $this->css['!'] .= "\n"; |
| 1067 | } |
| 1068 | $this->css['!'] .= $comment; |
| 1069 | } |
| 1070 | |
| 1071 | /** |
| 1072 | * Adds a property with value to the existing CSS code |
| 1073 | * @param string $media |
| 1074 | * @param string $selector |
| 1075 | * @param string $property |
| 1076 | * @param string $new_val |
| 1077 | * @access private |
| 1078 | * @version 1.2 |
| 1079 | */ |
| 1080 | public function css_add_property($media, $selector, $property, $new_val) |
| 1081 | { |
| 1082 | if ($this->get_cfg('preserve_css') || trim($new_val) == '') { |
| 1083 | return; |
| 1084 | } |
| 1085 | |
| 1086 | $this->added = true; |
| 1087 | if (isset($this->css[$media][$selector][$property])) { |
| 1088 | if (($this->is_important($this->css[$media][$selector][$property]) && $this->is_important($new_val)) || !$this->is_important($this->css[$media][$selector][$property])) { |
| 1089 | $this->css[$media][$selector][$property] = trim($new_val); |
| 1090 | } |
| 1091 | } else { |
| 1092 | $this->css[$media][$selector][$property] = trim($new_val); |
| 1093 | } |
| 1094 | } |
| 1095 | |
| 1096 | /** |
| 1097 | * Check if a current media section is the continuation of the last one |
| 1098 | * if not inc the name of the media section to avoid a merging |
| 1099 | * |
| 1100 | * @param int|string $media |
| 1101 | * @return int|string |
| 1102 | */ |
| 1103 | public function css_check_last_media_section_or_inc($media) |
| 1104 | { |
| 1105 | // are we starting? |
| 1106 | if (!$this->css || !is_array($this->css) || empty($this->css)) { |
| 1107 | return $media; |
| 1108 | } |
| 1109 | |
| 1110 | // if the last @media is the same as this |
| 1111 | // keep it |
| 1112 | end($this->css); |
| 1113 | $at = key($this->css); |
| 1114 | if ($at == $media) { |
| 1115 | return $media; |
| 1116 | } |
| 1117 | |
| 1118 | // else inc the section in the array |
| 1119 | while (isset($this->css[$media])) |
| 1120 | if (is_numeric($media)) |
| 1121 | $media++; |
| 1122 | else |
| 1123 | $media .= ' '; |
| 1124 | return $media; |
| 1125 | } |
| 1126 | |
| 1127 | /** |
| 1128 | * Start a new media section. |
| 1129 | * Check if the media is not already known, |
| 1130 | * else rename it with extra spaces |
| 1131 | * to avoid merging |
| 1132 | * |
| 1133 | * @param string $current_media |
| 1134 | * @param string $media |
| 1135 | * @param bool $at_root |
| 1136 | * @return string |
| 1137 | */ |
| 1138 | public function css_new_media_section($current_media, $new_media, $at_root = false) |
| 1139 | { |
| 1140 | if ($this->get_cfg('preserve_css')) { |
| 1141 | return $new_media; |
| 1142 | } |
| 1143 | |
| 1144 | // if we already are in a media and CSS level is 3, manage nested medias |
| 1145 | if ( |
| 1146 | $current_media |
| 1147 | && !$at_root |
| 1148 | // numeric $current_media means csstidyConstants::DEFAULT_AT or inc |
| 1149 | && !is_numeric($current_media) |
| 1150 | && strncmp($this->get_cfg('css_level'), 'CSS3', 4) == 0 |
| 1151 | ) { |
| 1152 | |
| 1153 | $new_media = rtrim($current_media) . "{" . rtrim($new_media); |
| 1154 | } |
| 1155 | |
| 1156 | return $this->css_check_last_media_section_or_inc($new_media); |
| 1157 | } |
| 1158 | |
| 1159 | /** |
| 1160 | * Close a media section |
| 1161 | * Find the parent media we were in before or the root |
| 1162 | * @param $current_media |
| 1163 | * @return string |
| 1164 | */ |
| 1165 | public function css_close_media_section($current_media) |
| 1166 | { |
| 1167 | if ($this->get_cfg('preserve_css')) { |
| 1168 | return ''; |
| 1169 | } |
| 1170 | |
| 1171 | if (strpos($current_media, '{') !== false) { |
| 1172 | $current_media = explode('{', $current_media); |
| 1173 | array_pop($current_media); |
| 1174 | $current_media = implode('{', $current_media); |
| 1175 | return $current_media; |
| 1176 | } |
| 1177 | |
| 1178 | return ''; |
| 1179 | } |
| 1180 | |
| 1181 | /** |
| 1182 | * Start a new selector. |
| 1183 | * If already referenced in this media section, |
| 1184 | * rename it with extra space to avoid merging |
| 1185 | * except if merging is required, |
| 1186 | * or last selector is the same (merge siblings) |
| 1187 | * |
| 1188 | * never merge @font-face |
| 1189 | * |
| 1190 | * @param string $media |
| 1191 | * @param string $selector |
| 1192 | * @return string |
| 1193 | */ |
| 1194 | public function css_new_selector($media, $selector) |
| 1195 | { |
| 1196 | if ($this->get_cfg('preserve_css')) { |
| 1197 | return $selector; |
| 1198 | } |
| 1199 | $selector = trim($selector); |
| 1200 | if (strncmp($selector, '@font-face', 10) != 0) { |
| 1201 | if ($this->settings['merge_selectors'] != false) |
| 1202 | return $selector; |
| 1203 | |
| 1204 | if (!$this->css || !isset($this->css[$media]) || !$this->css[$media]) |
| 1205 | return $selector; |
| 1206 | |
| 1207 | // if last is the same, keep it |
| 1208 | end($this->css[$media]); |
| 1209 | $sel = key($this->css[$media]); |
| 1210 | if ($sel == $selector) { |
| 1211 | return $selector; |
| 1212 | } |
| 1213 | } |
| 1214 | |
| 1215 | while (isset($this->css[$media][$selector])) |
| 1216 | $selector .= ' '; |
| 1217 | return $selector; |
| 1218 | } |
| 1219 | |
| 1220 | /** |
| 1221 | * Start a new propertie. |
| 1222 | * If already references in this selector, |
| 1223 | * rename it with extra space to avoid override |
| 1224 | * |
| 1225 | * @param string $media |
| 1226 | * @param string $selector |
| 1227 | * @param string $property |
| 1228 | * @return string |
| 1229 | */ |
| 1230 | public function css_new_property($media, $selector, $property) |
| 1231 | { |
| 1232 | if ($this->get_cfg('preserve_css')) { |
| 1233 | return $property; |
| 1234 | } |
| 1235 | if (!$this->css || !isset($this->css[$media][$selector]) || !$this->css[$media][$selector]) |
| 1236 | return $property; |
| 1237 | |
| 1238 | while (isset($this->css[$media][$selector][$property])) |
| 1239 | $property .= ' '; |
| 1240 | |
| 1241 | return $property; |
| 1242 | } |
| 1243 | |
| 1244 | /** |
| 1245 | * Adds CSS to an existing media/selector |
| 1246 | * @param string $media |
| 1247 | * @param string $selector |
| 1248 | * @param array $css_add |
| 1249 | * @access private |
| 1250 | * @version 1.1 |
| 1251 | */ |
| 1252 | public function merge_css_blocks($media, $selector, $css_add) |
| 1253 | { |
| 1254 | foreach ($css_add as $property => $value) { |
| 1255 | $this->css_add_property($media, $selector, $property, $value, false); |
| 1256 | } |
| 1257 | } |
| 1258 | |
| 1259 | /** |
| 1260 | * Checks if $value is !important. |
| 1261 | * @param string $value |
| 1262 | * @return bool |
| 1263 | * @access public |
| 1264 | * @version 1.0 |
| 1265 | */ |
| 1266 | public function is_important(&$value) |
| 1267 | { |
| 1268 | return ( |
| 1269 | strpos($value, '!') !== false // quick test |
| 1270 | and !strcasecmp(substr(str_replace($this->data['csstidy']['whitespace'], '', $value), -10, 10), '!important')); |
| 1271 | } |
| 1272 | |
| 1273 | /** |
| 1274 | * Returns a value without !important |
| 1275 | * @param string $value |
| 1276 | * @return string |
| 1277 | * @access public |
| 1278 | * @version 1.0 |
| 1279 | */ |
| 1280 | public function gvw_important($value) |
| 1281 | { |
| 1282 | if ($this->is_important($value)) { |
| 1283 | $value = trim($value); |
| 1284 | $value = substr($value, 0, -9); |
| 1285 | $value = trim($value); |
| 1286 | $value = substr($value, 0, -1); |
| 1287 | $value = trim($value); |
| 1288 | return $value; |
| 1289 | } |
| 1290 | return $value; |
| 1291 | } |
| 1292 | |
| 1293 | /** |
| 1294 | * Checks if the next word in a string from pos is a CSS property |
| 1295 | * @param string $istring |
| 1296 | * @param integer $pos |
| 1297 | * @return bool |
| 1298 | * @access private |
| 1299 | * @version 1.2 |
| 1300 | */ |
| 1301 | public function property_is_next($istring, $pos) |
| 1302 | { |
| 1303 | $all_properties = &$this->data['csstidy']['all_properties']; |
| 1304 | $istring = substr($istring, $pos, strlen($istring) - $pos); |
| 1305 | $pos = strpos($istring, ':'); |
| 1306 | if ($pos === false) { |
| 1307 | return false; |
| 1308 | } |
| 1309 | $istring = strtolower(trim(substr($istring, 0, $pos))); |
| 1310 | if (isset($all_properties[$istring])) { |
| 1311 | $this->log('Added semicolon to the end of declaration', 'Warning'); |
| 1312 | return true; |
| 1313 | } |
| 1314 | return false; |
| 1315 | } |
| 1316 | |
| 1317 | /** |
| 1318 | * Checks if a property is valid |
| 1319 | * @param string $property |
| 1320 | * @return bool |
| 1321 | * @access public |
| 1322 | * @version 1.0 |
| 1323 | */ |
| 1324 | public function property_is_valid($property) |
| 1325 | { |
| 1326 | if (strpos($property, '--') === 0) { |
| 1327 | $property = "--custom"; |
| 1328 | } elseif (in_array(trim($property), $this->data['csstidy']['multiple_properties'])) { |
| 1329 | $property = trim($property); |
| 1330 | } |
| 1331 | $all_properties = &$this->data['csstidy']['all_properties']; |
| 1332 | return (isset($all_properties[$property]) && strpos($all_properties[$property], strtoupper($this->get_cfg('css_level'))) !== false); |
| 1333 | } |
| 1334 | |
| 1335 | /** |
| 1336 | * Accepts a list of strings (e.g., the argument to format() in a @font-face src property) |
| 1337 | * and returns a list of the strings. Converts things like: |
| 1338 | * |
| 1339 | * format(abc) => format("abc") |
| 1340 | * format(abc def) => format("abc","def") |
| 1341 | * format(abc "def") => format("abc","def") |
| 1342 | * format(abc, def, ghi) => format("abc","def","ghi") |
| 1343 | * format("abc",'def') => format("abc","def") |
| 1344 | * format("abc, def, ghi") => format("abc, def, ghi") |
| 1345 | * |
| 1346 | * @param string |
| 1347 | * @return array |
| 1348 | */ |
| 1349 | public function parse_string_list($value) |
| 1350 | { |
| 1351 | $value = trim($value); |
| 1352 | |
| 1353 | // Case: empty |
| 1354 | if (!$value) return array(); |
| 1355 | |
| 1356 | $strings = array(); |
| 1357 | |
| 1358 | $in_str = false; |
| 1359 | $current_string = ''; |
| 1360 | |
| 1361 | for ($i = 0, $_len = strlen($value); $i < $_len; $i++) { |
| 1362 | if (($value[$i] === ',' || $value[$i] === ' ') && $in_str === true) { |
| 1363 | $in_str = false; |
| 1364 | $strings[] = $current_string; |
| 1365 | $current_string = ''; |
| 1366 | } elseif ($value[$i] === '"' || $value[$i] === "'") { |
| 1367 | if ($in_str === $value[$i]) { |
| 1368 | $strings[] = $current_string; |
| 1369 | $in_str = false; |
| 1370 | $current_string = ''; |
| 1371 | continue; |
| 1372 | } elseif (!$in_str) { |
| 1373 | $in_str = $value[$i]; |
| 1374 | } |
| 1375 | } else { |
| 1376 | if ($in_str) { |
| 1377 | $current_string .= $value[$i]; |
| 1378 | } else { |
| 1379 | if (!preg_match("/[\s,]/", $value[$i])) { |
| 1380 | $in_str = true; |
| 1381 | $current_string = $value[$i]; |
| 1382 | } |
| 1383 | } |
| 1384 | } |
| 1385 | } |
| 1386 | |
| 1387 | if ($current_string) { |
| 1388 | $strings[] = $current_string; |
| 1389 | } |
| 1390 | |
| 1391 | return $strings; |
| 1392 | } |
| 1393 | } |
| 1394 |