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class.csstidy-print.php
435 lines
| 1 | <?php // phpcs:ignore WordPress.Files.FileName.InvalidClassFileName |
| 2 | /** |
| 3 | * CSSTidy - CSS Parser and Optimiser |
| 4 | * |
| 5 | * CSS Printing class |
| 6 | * This class prints CSS data generated by csstidy. |
| 7 | * |
| 8 | * Copyright 2005, 2006, 2007 Florian Schmitz |
| 9 | * |
| 10 | * This file is part of CSSTidy. |
| 11 | * |
| 12 | * CSSTidy is free software; you can redistribute it and/or modify |
| 13 | * it under the terms of the GNU Lesser General Public License as published by |
| 14 | * the Free Software Foundation; either version 2.1 of the License, or |
| 15 | * (at your option) any later version. |
| 16 | * |
| 17 | * CSSTidy is distributed in the hope that it will be useful, |
| 18 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 20 | * GNU Lesser General Public License for more details. |
| 21 | * |
| 22 | * You should have received a copy of the GNU Lesser General Public License |
| 23 | * along with this program. If not, see <https://www.gnu.org/licenses/>. |
| 24 | * |
| 25 | * @license https://opensource.org/licenses/lgpl-license.php GNU Lesser General Public License |
| 26 | * @package csstidy |
| 27 | * @author Florian Schmitz (floele at gmail dot com) 2005-2007 |
| 28 | * @author Brett Zamir (brettz9 at yahoo dot com) 2007 |
| 29 | * @author Cedric Morin (cedric at yterium dot com) 2010 |
| 30 | */ |
| 31 | |
| 32 | /** |
| 33 | * CSS Printing class |
| 34 | * |
| 35 | * This class prints CSS data generated by csstidy. |
| 36 | * |
| 37 | * @package csstidy |
| 38 | * @author Florian Schmitz (floele at gmail dot com) 2005-2006 |
| 39 | * @version 1.0.1 |
| 40 | */ |
| 41 | #[AllowDynamicProperties] |
| 42 | class csstidy_print { // phpcs:ignore |
| 43 | |
| 44 | /** |
| 45 | * Saves the input CSS string |
| 46 | * |
| 47 | * @var string |
| 48 | * @access private |
| 49 | */ |
| 50 | public $input_css = ''; |
| 51 | /** |
| 52 | * Saves the formatted CSS string |
| 53 | * |
| 54 | * @var string |
| 55 | * @access public |
| 56 | */ |
| 57 | public $output_css = ''; |
| 58 | /** |
| 59 | * Saves the formatted CSS string (plain text) |
| 60 | * |
| 61 | * @var string |
| 62 | * @access public |
| 63 | */ |
| 64 | public $output_css_plain = ''; |
| 65 | |
| 66 | /** |
| 67 | * Constructor |
| 68 | * |
| 69 | * @param array $css contains the class csstidy. |
| 70 | * @access private |
| 71 | * @version 1.0 |
| 72 | */ |
| 73 | public function __construct( &$css ) { |
| 74 | $this->parser = & $css; |
| 75 | $this->css = & $css->css; |
| 76 | $this->template = & $css->template; |
| 77 | $this->tokens = & $css->tokens; |
| 78 | $this->charset = & $css->charset; |
| 79 | $this->import = & $css->import; |
| 80 | $this->namespace = & $css->namespace; |
| 81 | } |
| 82 | |
| 83 | /** |
| 84 | * Call constructor function. |
| 85 | * |
| 86 | * @param object $css - the CSS we're working with. |
| 87 | */ |
| 88 | public function csstidy_print( &$css ) { |
| 89 | $this->__construct( $css ); |
| 90 | } |
| 91 | |
| 92 | /** |
| 93 | * Resets output_css and output_css_plain (new css code) |
| 94 | * |
| 95 | * @access private |
| 96 | * @version 1.0 |
| 97 | */ |
| 98 | public function _reset() { // phpcs:ignore PSR2.Methods.MethodDeclaration.Underscore |
| 99 | $this->output_css = ''; |
| 100 | $this->output_css_plain = ''; |
| 101 | } |
| 102 | |
| 103 | /** |
| 104 | * Returns the CSS code as plain text |
| 105 | * |
| 106 | * @param string $default_media default @media to add to selectors without any @media. |
| 107 | * @return string |
| 108 | * @access public |
| 109 | * @version 1.0 |
| 110 | */ |
| 111 | public function plain( $default_media = '' ) { |
| 112 | $this->_print( true, $default_media ); |
| 113 | return $this->output_css_plain; |
| 114 | } |
| 115 | |
| 116 | /** |
| 117 | * Returns the formatted CSS code |
| 118 | * |
| 119 | * @param string $default_media default @media to add to selectors without any @media. |
| 120 | * @return string |
| 121 | * @access public |
| 122 | * @version 1.0 |
| 123 | */ |
| 124 | public function formatted( $default_media = '' ) { |
| 125 | $this->_print( false, $default_media ); |
| 126 | return $this->output_css; |
| 127 | } |
| 128 | |
| 129 | /** |
| 130 | * Returns the formatted CSS code to make a complete webpage |
| 131 | * |
| 132 | * @param string $doctype shorthand for the document type. |
| 133 | * @param bool $externalcss indicates whether styles to be attached internally or as an external stylesheet. |
| 134 | * @param string $title title to be added in the head of the document. |
| 135 | * @param string $lang two-letter language code to be added to the output. |
| 136 | * @return string |
| 137 | * @access public |
| 138 | * @version 1.4 |
| 139 | */ |
| 140 | public function formatted_page( $doctype = 'xhtml1.1', $externalcss = true, $title = '', $lang = 'en' ) { |
| 141 | switch ( $doctype ) { |
| 142 | case 'xhtml1.0strict': |
| 143 | $doctype_output = '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" |
| 144 | "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">'; |
| 145 | break; |
| 146 | case 'xhtml1.1': |
| 147 | default: |
| 148 | $doctype_output = '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" |
| 149 | "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">'; |
| 150 | break; |
| 151 | } |
| 152 | $cssparsed = ''; |
| 153 | $output = ''; |
| 154 | $this->output_css_plain = & $output; |
| 155 | |
| 156 | $output .= $doctype_output . "\n" . '<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="' . $lang . '"'; |
| 157 | $output .= ( $doctype === 'xhtml1.1' ) ? '>' : ' lang="' . $lang . '">'; |
| 158 | $output .= "\n<head>\n <title>$title</title>"; |
| 159 | |
| 160 | if ( $externalcss ) { |
| 161 | $output .= "\n <style type=\"text/css\">\n"; |
| 162 | $cssparsed = file_get_contents( 'cssparsed.css' ); // phpcs:ignore WordPress.WP.AlternativeFunctions.file_get_contents_file_get_contents |
| 163 | $output .= $cssparsed; // Adds an invisible BOM or something, but not in css_optimised.php |
| 164 | $output .= "\n</style>"; |
| 165 | } else { |
| 166 | $output .= "\n" . ' <link rel="stylesheet" type="text/css" href="cssparsed.css" />'; // phpcs:ignore WordPress.WP.EnqueuedResources.NonEnqueuedStylesheet |
| 167 | // } |
| 168 | } |
| 169 | $output .= "\n</head>\n<body><code id=\"copytext\">"; |
| 170 | $output .= $this->formatted(); |
| 171 | $output .= '</code>' . "\n" . '</body></html>'; |
| 172 | return $this->output_css_plain; |
| 173 | } |
| 174 | |
| 175 | /** |
| 176 | * Returns the formatted CSS Code and saves it into $this->output_css and $this->output_css_plain |
| 177 | * |
| 178 | * @param bool $plain plain text or not. |
| 179 | * @param string $default_media default @media to add to selectors without any @media. |
| 180 | * @access private |
| 181 | * @version 2.0 |
| 182 | */ |
| 183 | public function _print( $plain = false, $default_media = '' ) { // phpcs:ignore PSR2.Methods.MethodDeclaration.Underscore -- print is a reserved word anyway. |
| 184 | if ( $this->output_css && $this->output_css_plain ) { |
| 185 | return; |
| 186 | } |
| 187 | |
| 188 | $output = ''; |
| 189 | if ( ! $this->parser->get_cfg( 'preserve_css' ) ) { |
| 190 | $this->convert_raw_css( $default_media ); |
| 191 | } |
| 192 | |
| 193 | $template = & $this->template; |
| 194 | |
| 195 | if ( $plain ) { |
| 196 | $template = array_map( 'strip_tags', $template ); |
| 197 | } |
| 198 | |
| 199 | if ( $this->parser->get_cfg( 'timestamp' ) ) { |
| 200 | array_unshift( $this->tokens, array( COMMENT, ' CSSTidy ' . $this->parser->version . ': ' . gmdate( 'r' ) . ' ' ) ); |
| 201 | } |
| 202 | |
| 203 | if ( ! empty( $this->charset ) ) { |
| 204 | $output .= $template[0] . '@charset ' . $template[5] . $this->charset . $template[6]; |
| 205 | } |
| 206 | |
| 207 | if ( ! empty( $this->import ) ) { |
| 208 | $import_count = is_countable( $this->import ) ? count( $this->import ) : 0; |
| 209 | for ( $i = 0; $i < $import_count; $i++ ) { |
| 210 | $import_components = explode( ' ', $this->import[ $i ] ); |
| 211 | if ( substr( $import_components[0], 0, 4 ) === 'url(' && substr( $import_components[0], -1, 1 ) === ')' ) { |
| 212 | $import_components[0] = '\'' . trim( substr( $import_components[0], 4, -1 ), "'\"" ) . '\''; |
| 213 | $this->import[ $i ] = implode( ' ', $import_components ); |
| 214 | $this->parser->log( 'Optimised @import : Removed "url("', 'Information' ); |
| 215 | } |
| 216 | $output .= $template[0] . '@import ' . $template[5] . $this->import[ $i ] . $template[6]; |
| 217 | } |
| 218 | } |
| 219 | if ( ! empty( $this->namespace ) ) { |
| 220 | if ( substr( $this->namespace, 0, 4 ) === 'url(' && substr( $this->namespace, -1, 1 ) === ')' ) { |
| 221 | $this->namespace = '\'' . substr( $this->namespace, 4, -1 ) . '\''; |
| 222 | $this->parser->log( 'Optimised @namespace : Removed "url("', 'Information' ); |
| 223 | } |
| 224 | $output .= $template[0] . '@namespace ' . $template[5] . $this->namespace . $template[6]; |
| 225 | } |
| 226 | |
| 227 | $output .= $template[13]; |
| 228 | $in_at_out = ''; |
| 229 | $out = & $output; |
| 230 | |
| 231 | foreach ( $this->tokens as $key => $token ) { |
| 232 | switch ( $token[0] ) { |
| 233 | case AT_START: |
| 234 | $out .= $template[0] . $this->htmlsp( $token[1], $plain ) . $template[1]; |
| 235 | $out = & $in_at_out; |
| 236 | break; |
| 237 | |
| 238 | case SEL_START: |
| 239 | if ( $this->parser->get_cfg( 'lowercase_s' ) ) { |
| 240 | $token[1] = strtolower( $token[1] ); |
| 241 | } |
| 242 | $out .= ( $token[1][0] !== '@' ) ? $template[2] . $this->htmlsp( $token[1], $plain ) : $template[0] . $this->htmlsp( $token[1], $plain ); |
| 243 | $out .= $template[3]; |
| 244 | break; |
| 245 | |
| 246 | case PROPERTY: |
| 247 | if ( $this->parser->get_cfg( 'case_properties' ) === 2 ) { |
| 248 | $token[1] = strtoupper( $token[1] ); |
| 249 | } elseif ( $this->parser->get_cfg( 'case_properties' ) === 1 ) { |
| 250 | $token[1] = strtolower( $token[1] ); |
| 251 | } |
| 252 | $out .= $template[4] . $this->htmlsp( $token[1], $plain ) . ':' . $template[5]; |
| 253 | break; |
| 254 | |
| 255 | case VALUE: |
| 256 | $out .= $this->htmlsp( $token[1], $plain ); |
| 257 | if ( $this->seeknocomment( $key, 1 ) === SEL_END && $this->parser->get_cfg( 'remove_last_;' ) ) { |
| 258 | $out .= str_replace( ';', '', $template[6] ); |
| 259 | } else { |
| 260 | $out .= $template[6]; |
| 261 | } |
| 262 | break; |
| 263 | |
| 264 | case SEL_END: |
| 265 | $out .= $template[7]; |
| 266 | if ( $this->seeknocomment( $key, 1 ) !== AT_END ) { |
| 267 | $out .= $template[8]; |
| 268 | } |
| 269 | break; |
| 270 | |
| 271 | case AT_END: |
| 272 | $out = & $output; |
| 273 | $out .= $template[10] . str_replace( "\n", "\n" . $template[10], $in_at_out ); |
| 274 | $in_at_out = ''; |
| 275 | $out .= $template[9]; |
| 276 | break; |
| 277 | |
| 278 | case COMMENT: |
| 279 | $out .= $template[11] . '/*' . $this->htmlsp( $token[1], $plain ) . '*/' . $template[12]; |
| 280 | break; |
| 281 | } |
| 282 | } |
| 283 | |
| 284 | $output = trim( $output ); |
| 285 | |
| 286 | if ( ! $plain ) { |
| 287 | $this->output_css = $output; |
| 288 | $this->_print( true ); |
| 289 | } else { |
| 290 | // If using spaces in the template, don't want these to appear in the plain output |
| 291 | $this->output_css_plain = str_replace( ' ', '', $output ); |
| 292 | } |
| 293 | } |
| 294 | |
| 295 | /** |
| 296 | * Gets the next token type which is $move away from $key, excluding comments |
| 297 | * |
| 298 | * @param integer $key current position. |
| 299 | * @param integer $move move this far. |
| 300 | * @return mixed a token type |
| 301 | * @access private |
| 302 | * @version 1.0 |
| 303 | */ |
| 304 | public function seeknocomment( $key, $move ) { |
| 305 | $go = ( $move > 0 ) ? 1 : -1; |
| 306 | for ( $i = $key + 1; abs( $key - $i ) - 1 < abs( $move ); $i += $go ) { // phpcs:ignore Generic.CodeAnalysis.ForLoopWithTestFunctionCall.NotAllowed |
| 307 | if ( ! isset( $this->tokens[ $i ] ) ) { |
| 308 | return; |
| 309 | } |
| 310 | if ( $this->tokens[ $i ][0] === COMMENT ) { |
| 311 | ++$move; |
| 312 | continue; |
| 313 | } |
| 314 | return $this->tokens[ $i ][0]; |
| 315 | } |
| 316 | } |
| 317 | |
| 318 | /** |
| 319 | * Converts $this->css array to a raw array ($this->tokens) |
| 320 | * |
| 321 | * @param string $default_media default @media to add to selectors without any @media. |
| 322 | * @access private |
| 323 | * @version 1.0 |
| 324 | */ |
| 325 | public function convert_raw_css( $default_media = '' ) { |
| 326 | $this->tokens = array(); |
| 327 | |
| 328 | foreach ( $this->css as $medium => $val ) { |
| 329 | if ( $this->parser->get_cfg( 'sort_selectors' ) ) { |
| 330 | ksort( $val ); |
| 331 | } |
| 332 | if ( (int) $medium < DEFAULT_AT ) { |
| 333 | $this->parser->_add_token( AT_START, $medium, true ); |
| 334 | } elseif ( $default_media ) { |
| 335 | $this->parser->_add_token( AT_START, $default_media, true ); |
| 336 | } |
| 337 | |
| 338 | foreach ( $val as $selector => $vali ) { |
| 339 | if ( $this->parser->get_cfg( 'sort_properties' ) ) { |
| 340 | ksort( $vali ); |
| 341 | } |
| 342 | $this->parser->_add_token( SEL_START, $selector, true ); |
| 343 | |
| 344 | foreach ( $vali as $property => $valj ) { |
| 345 | $this->parser->_add_token( PROPERTY, $property, true ); |
| 346 | $this->parser->_add_token( VALUE, $valj, true ); |
| 347 | } |
| 348 | |
| 349 | $this->parser->_add_token( SEL_END, $selector, true ); |
| 350 | } |
| 351 | |
| 352 | if ( (int) $medium < DEFAULT_AT ) { |
| 353 | $this->parser->_add_token( AT_END, $medium, true ); |
| 354 | } elseif ( $default_media ) { |
| 355 | $this->parser->_add_token( AT_END, $default_media, true ); |
| 356 | } |
| 357 | } |
| 358 | } |
| 359 | |
| 360 | /** |
| 361 | * Same as htmlspecialchars, only that chars are not replaced if $plain !== true. This makes print_code() cleaner. |
| 362 | * |
| 363 | * @param string $string - the string we're converting. |
| 364 | * @param bool $plain - plain text or not. |
| 365 | * @return string |
| 366 | * @see csstidy_print::_print() |
| 367 | * @access private |
| 368 | * @version 1.0 |
| 369 | */ |
| 370 | public function htmlsp( $string, $plain ) { |
| 371 | if ( ! $plain ) { |
| 372 | return htmlspecialchars( $string, ENT_QUOTES, 'utf-8' ); |
| 373 | } |
| 374 | return $string; |
| 375 | } |
| 376 | |
| 377 | /** |
| 378 | * Get compression ratio |
| 379 | * |
| 380 | * @access public |
| 381 | * @return float |
| 382 | * @version 1.2 |
| 383 | */ |
| 384 | public function get_ratio() { |
| 385 | if ( ! $this->output_css_plain ) { |
| 386 | $this->formatted(); |
| 387 | } |
| 388 | return round( ( strlen( $this->input_css ) - strlen( $this->output_css_plain ) ) / strlen( $this->input_css ), 3 ) * 100; |
| 389 | } |
| 390 | |
| 391 | /** |
| 392 | * Get difference between the old and new code in bytes and prints the code if necessary. |
| 393 | * |
| 394 | * @access public |
| 395 | * @return string |
| 396 | * @version 1.1 |
| 397 | */ |
| 398 | public function get_diff() { |
| 399 | if ( ! $this->output_css_plain ) { |
| 400 | $this->formatted(); |
| 401 | } |
| 402 | |
| 403 | $diff = strlen( $this->output_css_plain ) - strlen( $this->input_css ); |
| 404 | |
| 405 | if ( $diff > 0 ) { |
| 406 | return '+' . $diff; |
| 407 | } elseif ( $diff === 0 ) { |
| 408 | return '+-' . $diff; |
| 409 | } |
| 410 | |
| 411 | return $diff; |
| 412 | } |
| 413 | |
| 414 | /** |
| 415 | * Get the size of either input or output CSS in KB |
| 416 | * |
| 417 | * @param string $loc default is "output". |
| 418 | * @access public |
| 419 | * @return integer |
| 420 | * @version 1.0 |
| 421 | */ |
| 422 | public function size( $loc = 'output' ) { |
| 423 | if ( $loc === 'output' && ! $this->output_css ) { |
| 424 | $this->formatted(); |
| 425 | } |
| 426 | |
| 427 | if ( $loc === 'input' ) { |
| 428 | return ( strlen( $this->input_css ) / 1000 ); |
| 429 | } else { |
| 430 | return ( strlen( $this->output_css_plain ) / 1000 ); |
| 431 | } |
| 432 | } |
| 433 | |
| 434 | } |
| 435 |