| 1 |
<?php |
| 2 |
/** |
| 3 |
* CSSTidy Optimising PHP Class |
| 4 |
* |
| 5 |
* @package TablePress |
| 6 |
* @subpackage CSS |
| 7 |
* @author Florian Schmitz, Brett Zamir, Nikolay Matsievsky, Cedric Morin, Christopher Finke, Mark Scherer, Tobias Bäthge |
| 8 |
* @since 1.0.0 |
| 9 |
*/ |
| 10 |
|
| 11 |
declare(strict_types=1); |
| 12 |
|
| 13 |
// Prohibit direct script loading. |
| 14 |
defined( 'ABSPATH' ) || die( 'No direct script access allowed!' ); |
| 15 |
|
| 16 |
/** |
| 17 |
* CSS Optimising Class |
| 18 |
* |
| 19 |
* This class optimises CSS data generated by CSSTidy. |
| 20 |
* |
| 21 |
* @package CSSTidy |
| 22 |
* @version 1.0 |
| 23 |
*/ |
| 24 |
class TablePress_CSSTidy_Optimise { |
| 25 |
|
| 26 |
/** |
| 27 |
* TablePress_CSSTidy instance. |
| 28 |
* |
| 29 |
* @since 1.0.0 |
| 30 |
*/ |
| 31 |
public \TablePress_CSSTidy $parser; |
| 32 |
|
| 33 |
/** |
| 34 |
* The parsed CSS. |
| 35 |
* |
| 36 |
* @since 1.0.0 |
| 37 |
*/ |
| 38 |
public array $css = array(); |
| 39 |
|
| 40 |
/** |
| 41 |
* The current sub-value. |
| 42 |
* |
| 43 |
* @since 1.0.0 |
| 44 |
*/ |
| 45 |
public string $sub_value = ''; |
| 46 |
|
| 47 |
/** |
| 48 |
* The current at rule (@media). |
| 49 |
* |
| 50 |
* @since 1.0.0 |
| 51 |
*/ |
| 52 |
public string $at = ''; |
| 53 |
|
| 54 |
/** |
| 55 |
* The current selector. |
| 56 |
* |
| 57 |
* @since 1.0.0 |
| 58 |
*/ |
| 59 |
public string $selector = ''; |
| 60 |
|
| 61 |
/** |
| 62 |
* The current property. |
| 63 |
* |
| 64 |
* @since 1.0.0 |
| 65 |
*/ |
| 66 |
public string $property = ''; |
| 67 |
|
| 68 |
/** |
| 69 |
* The current value. |
| 70 |
* |
| 71 |
* @since 1.0.0 |
| 72 |
*/ |
| 73 |
public string $value = ''; |
| 74 |
|
| 75 |
/** |
| 76 |
* Constructor. |
| 77 |
* |
| 78 |
* @since 1.0.0 |
| 79 |
* |
| 80 |
* @param TablePress_CSSTidy $csstidy Instance of the TablePress_CSSTidy class. |
| 81 |
*/ |
| 82 |
public function __construct( TablePress_CSSTidy $csstidy ) { |
| 83 |
$this->parser = $csstidy; |
| 84 |
$this->css = &$csstidy->css; |
| 85 |
$this->sub_value = &$csstidy->sub_value; |
| 86 |
$this->at = &$csstidy->at; |
| 87 |
$this->selector = &$csstidy->selector; |
| 88 |
$this->property = &$csstidy->property; |
| 89 |
$this->value = &$csstidy->value; |
| 90 |
} |
| 91 |
|
| 92 |
/** |
| 93 |
* Optimises $css after parsing. |
| 94 |
* |
| 95 |
* @since 1.0.0 |
| 96 |
*/ |
| 97 |
public function postparse(): void { |
| 98 |
if ( $this->parser->get_cfg( 'preserve_css' ) ) { |
| 99 |
return; |
| 100 |
} |
| 101 |
|
| 102 |
if ( 2 === (int) $this->parser->get_cfg( 'merge_selectors' ) ) { |
| 103 |
foreach ( $this->css as $medium => $value ) { |
| 104 |
if ( is_array( $value ) ) { |
| 105 |
$this->merge_selectors( $this->css[ $medium ] ); |
| 106 |
} |
| 107 |
} |
| 108 |
} |
| 109 |
|
| 110 |
if ( $this->parser->get_cfg( 'discard_invalid_selectors' ) ) { |
| 111 |
foreach ( $this->css as $medium => $value ) { |
| 112 |
if ( is_array( $value ) ) { |
| 113 |
$this->discard_invalid_selectors( $this->css[ $medium ] ); |
| 114 |
} |
| 115 |
} |
| 116 |
} |
| 117 |
|
| 118 |
if ( $this->parser->get_cfg( 'optimise_shorthands' ) > 0 ) { |
| 119 |
foreach ( $this->css as $medium => $value ) { |
| 120 |
if ( is_array( $value ) ) { |
| 121 |
foreach ( $value as $selector => $value1 ) { |
| 122 |
$this->css[ $medium ][ $selector ] = $this->merge_4value_shorthands( $this->css[ $medium ][ $selector ] ); |
| 123 |
|
| 124 |
if ( $this->parser->get_cfg( 'optimise_shorthands' ) < 2 ) { |
| 125 |
continue; |
| 126 |
} |
| 127 |
|
| 128 |
$this->css[ $medium ][ $selector ] = $this->merge_font( $this->css[ $medium ][ $selector ] ); |
| 129 |
|
| 130 |
if ( $this->parser->get_cfg( 'optimise_shorthands' ) < 3 ) { |
| 131 |
continue; |
| 132 |
} |
| 133 |
|
| 134 |
$this->css[ $medium ][ $selector ] = $this->merge_bg( $this->css[ $medium ][ $selector ] ); |
| 135 |
if ( empty( $this->css[ $medium ][ $selector ] ) ) { |
| 136 |
unset( $this->css[ $medium ][ $selector ] ); |
| 137 |
} |
| 138 |
} |
| 139 |
} |
| 140 |
} |
| 141 |
} |
| 142 |
} |
| 143 |
|
| 144 |
/** |
| 145 |
* Optimises values |
| 146 |
* |
| 147 |
* @since 1.0.0 |
| 148 |
*/ |
| 149 |
public function value(): void { |
| 150 |
$shorthands = &$this->parser->data['csstidy']['shorthands']; |
| 151 |
|
| 152 |
// Optimise shorthand properties. |
| 153 |
if ( isset( $shorthands[ $this->property ] ) && $this->parser->get_cfg( 'optimise_shorthands' ) > 0 ) { |
| 154 |
$temp = $this->shorthand( $this->value ); // FIXME - move. |
| 155 |
if ( $temp !== $this->value ) { |
| 156 |
$this->parser->log( 'Optimised shorthand notation (' . $this->property . '): Changed "' . $this->value . '" to "' . $temp . '"', 'Information' ); |
| 157 |
} |
| 158 |
$this->value = $temp; |
| 159 |
} |
| 160 |
|
| 161 |
// Remove whitespace at !important. |
| 162 |
if ( $this->value !== $this->compress_important( $this->value ) ) { |
| 163 |
$this->parser->log( 'Optimised !important', 'Information' ); |
| 164 |
} |
| 165 |
} |
| 166 |
|
| 167 |
/** |
| 168 |
* Optimises shorthands. |
| 169 |
* |
| 170 |
* @since 1.0.0 |
| 171 |
*/ |
| 172 |
public function shorthands(): void { |
| 173 |
$shorthands = &$this->parser->data['csstidy']['shorthands']; |
| 174 |
|
| 175 |
if ( ! $this->parser->get_cfg( 'optimise_shorthands' ) || $this->parser->get_cfg( 'preserve_css' ) ) { |
| 176 |
return; |
| 177 |
} |
| 178 |
|
| 179 |
if ( 'font' === $this->property && $this->parser->get_cfg( 'optimise_shorthands' ) > 1 ) { |
| 180 |
$this->css[ $this->at ][ $this->selector ]['font'] = ''; |
| 181 |
$this->parser->merge_css_blocks( $this->at, $this->selector, $this->dissolve_short_font( $this->value ) ); |
| 182 |
} |
| 183 |
if ( 'background' === $this->property && $this->parser->get_cfg( 'optimise_shorthands' ) > 2 ) { |
| 184 |
$this->css[ $this->at ][ $this->selector ]['background'] = ''; |
| 185 |
$this->parser->merge_css_blocks( $this->at, $this->selector, $this->dissolve_short_bg( $this->value ) ); |
| 186 |
} |
| 187 |
if ( isset( $shorthands[ $this->property ] ) ) { |
| 188 |
$this->parser->merge_css_blocks( $this->at, $this->selector, $this->dissolve_4value_shorthands( $this->property, $this->value ) ); |
| 189 |
if ( is_array( $shorthands[ $this->property ] ) ) { |
| 190 |
$this->css[ $this->at ][ $this->selector ][ $this->property ] = ''; |
| 191 |
} |
| 192 |
} |
| 193 |
} |
| 194 |
|
| 195 |
/** |
| 196 |
* Optimises a sub-value. |
| 197 |
* |
| 198 |
* @since 1.0.0 |
| 199 |
*/ |
| 200 |
public function subvalue(): void { |
| 201 |
$replace_colors = &$this->parser->data['csstidy']['replace_colors']; |
| 202 |
|
| 203 |
$this->sub_value = trim( $this->sub_value ); |
| 204 |
if ( '' === $this->sub_value ) { // caution : '0'. |
| 205 |
return; |
| 206 |
} |
| 207 |
|
| 208 |
$important = ''; |
| 209 |
if ( $this->parser->is_important( $this->sub_value ) ) { |
| 210 |
$important = ' !important'; |
| 211 |
} |
| 212 |
$this->sub_value = $this->parser->gvw_important( $this->sub_value ); |
| 213 |
|
| 214 |
// Compress font-weight. |
| 215 |
if ( 'font-weight' === $this->property && $this->parser->get_cfg( 'compress_font-weight' ) ) { |
| 216 |
if ( 'bold' === $this->sub_value ) { |
| 217 |
$this->sub_value = '700'; |
| 218 |
$this->parser->log( 'Optimised font-weight: Changed "bold" to "700"', 'Information' ); |
| 219 |
} elseif ( 'normal' === $this->sub_value ) { |
| 220 |
$this->sub_value = '400'; |
| 221 |
$this->parser->log( 'Optimised font-weight: Changed "normal" to "400"', 'Information' ); |
| 222 |
} |
| 223 |
} |
| 224 |
|
| 225 |
$temp = $this->compress_numbers( $this->sub_value ); |
| 226 |
if ( 0 !== strcasecmp( $temp, $this->sub_value ) ) { |
| 227 |
if ( strlen( $temp ) > strlen( $this->sub_value ) ) { |
| 228 |
$this->parser->log( 'Fixed invalid number: Changed "' . $this->sub_value . '" to "' . $temp . '"', 'Warning' ); |
| 229 |
} else { |
| 230 |
$this->parser->log( 'Optimised number: Changed "' . $this->sub_value . '" to "' . $temp . '"', 'Information' ); |
| 231 |
} |
| 232 |
$this->sub_value = $temp; |
| 233 |
} |
| 234 |
if ( $this->parser->get_cfg( 'compress_colors' ) ) { |
| 235 |
$temp = $this->cut_color( $this->sub_value ); |
| 236 |
if ( $temp !== $this->sub_value ) { |
| 237 |
if ( isset( $replace_colors[ $this->sub_value ] ) ) { |
| 238 |
$this->parser->log( 'Fixed invalid color name: Changed "' . $this->sub_value . '" to "' . $temp . '"', 'Warning' ); |
| 239 |
} else { |
| 240 |
$this->parser->log( 'Optimised color: Changed "' . $this->sub_value . '" to "' . $temp . '"', 'Information' ); |
| 241 |
} |
| 242 |
$this->sub_value = $temp; |
| 243 |
} |
| 244 |
} |
| 245 |
$this->sub_value .= $important; |
| 246 |
} |
| 247 |
|
| 248 |
/** |
| 249 |
* Compresses shorthand values. |
| 250 |
* |
| 251 |
* Example: `margin: 1px 1px 1px 1px` will become `margin: 1px`. |
| 252 |
* |
| 253 |
* @since 1.0.0 |
| 254 |
* |
| 255 |
* @param string $value Shorthand value. |
| 256 |
* @return string Compressed value. |
| 257 |
*/ |
| 258 |
public function shorthand( string $value ): string { |
| 259 |
$important = ''; |
| 260 |
if ( $this->parser->is_important( $value ) ) { |
| 261 |
$values = $this->parser->gvw_important( $value ); |
| 262 |
$important = ' !important'; |
| 263 |
} else { |
| 264 |
$values = $value; |
| 265 |
} |
| 266 |
|
| 267 |
$values = explode( ' ', $values ); |
| 268 |
switch ( count( $values ) ) { |
| 269 |
case 4: |
| 270 |
if ( $values[0] === $values[1] && $values[0] === $values[2] && $values[0] === $values[3] ) { |
| 271 |
return $values[0] . $important; |
| 272 |
} elseif ( $values[1] === $values[3] && $values[0] === $values[2] ) { |
| 273 |
return $values[0] . ' ' . $values[1] . $important; |
| 274 |
} elseif ( $values[1] === $values[3] ) { |
| 275 |
return $values[0] . ' ' . $values[1] . ' ' . $values[2] . $important; |
| 276 |
} |
| 277 |
break; |
| 278 |
case 3: |
| 279 |
if ( $values[0] === $values[1] && $values[0] === $values[2] ) { |
| 280 |
return $values[0] . $important; |
| 281 |
} elseif ( $values[0] === $values[2] ) { |
| 282 |
return $values[0] . ' ' . $values[1] . $important; |
| 283 |
} |
| 284 |
break; |
| 285 |
case 2: |
| 286 |
if ( $values[0] === $values[1] ) { |
| 287 |
return $values[0] . $important; |
| 288 |
} |
| 289 |
break; |
| 290 |
} |
| 291 |
|
| 292 |
return $value; |
| 293 |
} |
| 294 |
|
| 295 |
/** |
| 296 |
* Removes unnecessary whitespace in ! important. |
| 297 |
* |
| 298 |
* @since 1.0.0 |
| 299 |
* |
| 300 |
* @param string $a_string String. |
| 301 |
* @return string Cleaned string. |
| 302 |
*/ |
| 303 |
public function compress_important( string &$a_string ): string { |
| 304 |
if ( $this->parser->is_important( $a_string ) ) { |
| 305 |
$a_string = $this->parser->gvw_important( $a_string ) . ' !important'; |
| 306 |
} |
| 307 |
return $a_string; |
| 308 |
} |
| 309 |
|
| 310 |
/** |
| 311 |
* Color compression function. Converts all rgb() values to #-values and uses the short-form if possible. Also replaces 4 color names by #-values. |
| 312 |
* |
| 313 |
* @since 1.0.0 |
| 314 |
* |
| 315 |
* @param string $color Color value. |
| 316 |
* @return string Compressed color. |
| 317 |
*/ |
| 318 |
public function cut_color( string $color ): string { |
| 319 |
$replace_colors = &$this->parser->data['csstidy']['replace_colors']; |
| 320 |
|
| 321 |
// If it's a string, don't touch it! |
| 322 |
if ( str_starts_with( $color, "'" ) || str_starts_with( $color, '"' ) ) { |
| 323 |
return $color; |
| 324 |
} |
| 325 |
|
| 326 |
// Complex gradient expressions. |
| 327 |
if ( str_contains( $color, '(' ) && 0 !== strncasecmp( $color, 'rgb(', 4 ) && 0 !== strncasecmp( $color, 'rgba(', 5 ) ) { |
| 328 |
// Don't touch properties within MSIE filters, those are too sensitive. |
| 329 |
if ( false !== stripos( $color, 'progid:' ) ) { |
| 330 |
return $color; |
| 331 |
} |
| 332 |
preg_match_all( ',rgba?\([^)]+\),i', $color, $matches, PREG_SET_ORDER ); |
| 333 |
if ( count( $matches ) ) { |
| 334 |
foreach ( $matches as $m ) { |
| 335 |
$color = str_replace( $m[0], $this->cut_color( $m[0] ), $color ); |
| 336 |
} |
| 337 |
} |
| 338 |
preg_match_all( ',#[0-9a-f]{6}(?=[^0-9a-f]),i', $color, $matches, PREG_SET_ORDER ); |
| 339 |
if ( count( $matches ) ) { |
| 340 |
foreach ( $matches as $m ) { |
| 341 |
$color = str_replace( $m[0], $this->cut_color( $m[0] ), $color ); |
| 342 |
} |
| 343 |
} |
| 344 |
return $color; |
| 345 |
} |
| 346 |
|
| 347 |
// rgb(0,0,0) -> #000000 (or #000 in this case later). |
| 348 |
if ( |
| 349 |
// Be sure to not corrupt a rgb with calc() value. |
| 350 |
( 0 === strncasecmp( $color, 'rgb(', 4 ) && false === strpos( $color, '(', 4 ) ) || ( 0 === strncasecmp( $color, 'rgba(', 5 ) && false === strpos( $color, '(', 5 ) ) |
| 351 |
) { |
| 352 |
$color_tmp = explode( '(', $color, 2 ); |
| 353 |
$color_tmp = rtrim( end( $color_tmp ), ')' ); |
| 354 |
if ( str_contains( $color_tmp, '/' ) ) { |
| 355 |
$color_tmp = explode( '/', $color_tmp, 2 ); |
| 356 |
$color_parts = explode( ' ', trim( reset( $color_tmp ) ), 3 ); |
| 357 |
while ( count( $color_parts ) < 3 ) { // phpcs:ignore Squiz.PHP.DisallowSizeFunctionsInLoops.Found |
| 358 |
$color_parts[] = 0; |
| 359 |
} |
| 360 |
$color_parts[] = end( $color_tmp ); |
| 361 |
} else { |
| 362 |
$color_parts = explode( ',', $color_tmp, 4 ); |
| 363 |
} |
| 364 |
$color_parts_count = count( $color_parts ); |
| 365 |
for ( $i = 0; $i < $color_parts_count; $i++ ) { |
| 366 |
$color_parts[ $i ] = trim( $color_parts[ $i ] ); |
| 367 |
if ( str_ends_with( $color_parts[ $i ], '%' ) ) { |
| 368 |
$color_parts[ $i ] = round( ( 255 * intval( $color_parts[ $i ] ) ) / 100 ); |
| 369 |
} elseif ( $i > 2 ) { |
| 370 |
// 4th argument is alpha layer between 0 and 1 (if not %). |
| 371 |
$color_parts[ $i ] = round( 255 * floatval( $color_parts[ $i ] ) ); |
| 372 |
} |
| 373 |
$color_parts[ $i ] = intval( $color_parts[ $i ] ); |
| 374 |
if ( $color_parts[ $i ] > 255 ) { |
| 375 |
$color_parts[ $i ] = 255; |
| 376 |
} |
| 377 |
} |
| 378 |
$color = '#'; |
| 379 |
// 3 or 4 parts depending on alpha layer. |
| 380 |
$nb = min( max( count( $color_parts ), 3 ), 4 ); |
| 381 |
for ( $i = 0; $i < $nb; $i++ ) { |
| 382 |
if ( ! isset( $color_parts[ $i ] ) ) { |
| 383 |
$color_parts[ $i ] = 0; |
| 384 |
} |
| 385 |
if ( $color_parts[ $i ] < 16 ) { |
| 386 |
$color .= '0' . dechex( $color_parts[ $i ] ); |
| 387 |
} else { |
| 388 |
$color .= dechex( $color_parts[ $i ] ); |
| 389 |
} |
| 390 |
} |
| 391 |
} |
| 392 |
|
| 393 |
// Fix bad color names. |
| 394 |
if ( isset( $replace_colors[ strtolower( $color ) ] ) ) { |
| 395 |
$color = $replace_colors[ strtolower( $color ) ]; |
| 396 |
} |
| 397 |
|
| 398 |
if ( 7 === strlen( $color ) ) { |
| 399 |
// #aabbcc -> #abc |
| 400 |
$color_temp = strtolower( $color ); |
| 401 |
if ( '#' === $color_temp[0] && $color_temp[1] === $color_temp[2] && $color_temp[3] === $color_temp[4] && $color_temp[5] === $color_temp[6] ) { |
| 402 |
$color = '#' . $color[1] . $color[3] . $color[5]; |
| 403 |
} |
| 404 |
} elseif ( 9 === strlen( $color ) ) { |
| 405 |
// #aabbccdd -> #abcd |
| 406 |
$color_temp = strtolower( $color ); |
| 407 |
if ( '#' === $color_temp[0] && $color_temp[1] === $color_temp[2] && $color_temp[3] === $color_temp[4] && $color_temp[5] === $color_temp[6] && $color_temp[7] === $color_temp[8] ) { |
| 408 |
$color = '#' . $color[1] . $color[3] . $color[5] . $color[7]; |
| 409 |
} |
| 410 |
} |
| 411 |
|
| 412 |
switch ( strtolower( $color ) ) { |
| 413 |
/* color name -> hex code */ |
| 414 |
case 'black': |
| 415 |
return '#000'; |
| 416 |
case 'fuchsia': |
| 417 |
return '#f0f'; |
| 418 |
case 'white': |
| 419 |
return '#fff'; |
| 420 |
case 'yellow': |
| 421 |
return '#ff0'; |
| 422 |
|
| 423 |
/* hex code -> color name */ |
| 424 |
case '#800000': |
| 425 |
return 'maroon'; |
| 426 |
case '#ffa500': |
| 427 |
return 'orange'; |
| 428 |
case '#808000': |
| 429 |
return 'olive'; |
| 430 |
case '#800080': |
| 431 |
return 'purple'; |
| 432 |
case '#008000': |
| 433 |
return 'green'; |
| 434 |
case '#000080': |
| 435 |
return 'navy'; |
| 436 |
case '#008080': |
| 437 |
return 'teal'; |
| 438 |
case '#c0c0c0': |
| 439 |
return 'silver'; |
| 440 |
case '#808080': |
| 441 |
return 'gray'; |
| 442 |
case '#f00': |
| 443 |
return 'red'; |
| 444 |
} |
| 445 |
|
| 446 |
return $color; |
| 447 |
} |
| 448 |
|
| 449 |
/** |
| 450 |
* Compresses numbers (ie. 1.0 becomes 1 or 1.100 becomes 1.1). |
| 451 |
* |
| 452 |
* @since 1.0.0 |
| 453 |
* |
| 454 |
* @param string $subvalue Value. |
| 455 |
* @return string Compressed value. |
| 456 |
*/ |
| 457 |
public function compress_numbers( string $subvalue ): string { |
| 458 |
$unit_values = &$this->parser->data['csstidy']['unit_values']; |
| 459 |
$color_values = &$this->parser->data['csstidy']['color_values']; |
| 460 |
|
| 461 |
// for font:1em/1em sans-serif...;. |
| 462 |
if ( 'font' === $this->property ) { |
| 463 |
$temp = explode( '/', $subvalue ); |
| 464 |
} else { |
| 465 |
$temp = array( $subvalue ); |
| 466 |
} |
| 467 |
|
| 468 |
$temp_count = count( $temp ); |
| 469 |
for ( $l = 0; $l < $temp_count; $l++ ) { |
| 470 |
// If we are not dealing with a number at this point, do not optimize anything. |
| 471 |
$number = $this->analyse_css_number( $temp[ $l ] ); |
| 472 |
if ( false === $number ) { |
| 473 |
return $subvalue; |
| 474 |
} |
| 475 |
|
| 476 |
// Fix bad colors. |
| 477 |
if ( in_array( $this->property, $color_values, true ) ) { |
| 478 |
if ( 3 === strlen( $temp[ $l ] ) || 6 === strlen( $temp[ $l ] ) ) { |
| 479 |
$temp[ $l ] = '#' . $temp[ $l ]; |
| 480 |
} else { |
| 481 |
$temp[ $l ] = '0'; |
| 482 |
} |
| 483 |
continue; |
| 484 |
} |
| 485 |
|
| 486 |
if ( abs( $number[0] ) > 0 ) { |
| 487 |
if ( '' === $number[1] && in_array( $this->property, $unit_values, true ) ) { |
| 488 |
$number[1] = 'px'; |
| 489 |
} |
| 490 |
} elseif ( 's' !== $number[1] && 'ms' !== $number[1] ) { |
| 491 |
$number[1] = ''; |
| 492 |
} |
| 493 |
|
| 494 |
$temp[ $l ] = $number[0] . $number[1]; |
| 495 |
} |
| 496 |
|
| 497 |
return ( count( $temp ) > 1 ) ? $temp[0] . '/' . $temp[1] : $temp[0]; |
| 498 |
} |
| 499 |
|
| 500 |
/** |
| 501 |
* Checks if a given string is a CSS valid number. If it is, an array containing the value and unit is returned. |
| 502 |
* |
| 503 |
* @since 1.0.0 |
| 504 |
* |
| 505 |
* @param string $a_string String. |
| 506 |
* @return array{int|string, string}|false ('unit' if unit is found or '' if no unit exists, number value) or false if no number. |
| 507 |
*/ |
| 508 |
public function analyse_css_number( string $a_string ) /* : array|false */ { |
| 509 |
// Most simple checks first. |
| 510 |
if ( 0 === strlen( $a_string ) || ctype_alpha( $a_string[0] ) ) { |
| 511 |
return false; |
| 512 |
} |
| 513 |
|
| 514 |
$units = &$this->parser->data['csstidy']['units']; |
| 515 |
$return = array( 0, '' ); |
| 516 |
|
| 517 |
$return[0] = (float) $a_string; |
| 518 |
if ( abs( $return[0] ) > 0 && abs( $return[0] ) < 1 ) { |
| 519 |
if ( $return[0] < 0 ) { |
| 520 |
$return[0] = '-' . ltrim( substr( (string) $return[0], 1 ), '0' ); |
| 521 |
} else { |
| 522 |
$return[0] = ltrim( (string) $return[0], '0' ); |
| 523 |
} |
| 524 |
} |
| 525 |
|
| 526 |
// Look for unit and split from value if exists. |
| 527 |
foreach ( $units as $unit ) { |
| 528 |
$expect_unit_at = strlen( $a_string ) - strlen( $unit ); |
| 529 |
if ( ! ( $unit_in_string = stristr( $a_string, $unit ) ) ) { // phpcs:ignore Generic.CodeAnalysis.AssignmentInCondition.Found,Squiz.PHP.DisallowMultipleAssignments.FoundInControlStructure |
| 530 |
continue; |
| 531 |
} |
| 532 |
$actual_position = strpos( $a_string, $unit_in_string ); |
| 533 |
if ( $expect_unit_at === $actual_position ) { |
| 534 |
$return[1] = $unit; |
| 535 |
$a_string = substr( $a_string, 0, - strlen( $unit ) ); |
| 536 |
break; |
| 537 |
} |
| 538 |
} |
| 539 |
if ( ! is_numeric( $a_string ) ) { |
| 540 |
return false; |
| 541 |
} |
| 542 |
return $return; |
| 543 |
} |
| 544 |
|
| 545 |
/** |
| 546 |
* Merges selectors with same properties. Example: a{color:red} b{color:red} -> a,b{color:red} |
| 547 |
* Very basic and has at least one bug. Hopefully there is a replacement soon. |
| 548 |
* |
| 549 |
* @since 1.0.0 |
| 550 |
* |
| 551 |
* @param array<string, mixed> $an_array List of selectors. This parameter is modified by reference. |
| 552 |
*/ |
| 553 |
public function merge_selectors( array &$an_array ): void { |
| 554 |
$css = $an_array; |
| 555 |
foreach ( $css as $key => $value ) { |
| 556 |
if ( ! isset( $css[ $key ] ) ) { |
| 557 |
continue; |
| 558 |
} |
| 559 |
|
| 560 |
// Check if properties also exist in another selector. |
| 561 |
$keys = array(); |
| 562 |
// PHP bug (?) without $css = $an_array; here. |
| 563 |
foreach ( $css as $selector => $vali ) { |
| 564 |
if ( $selector === $key ) { |
| 565 |
continue; |
| 566 |
} |
| 567 |
|
| 568 |
if ( $css[ $key ] === $vali ) { |
| 569 |
$keys[] = $selector; |
| 570 |
} |
| 571 |
} |
| 572 |
|
| 573 |
if ( ! empty( $keys ) ) { |
| 574 |
$newsel = $key; |
| 575 |
unset( $css[ $key ] ); |
| 576 |
foreach ( $keys as $selector ) { |
| 577 |
unset( $css[ $selector ] ); |
| 578 |
$newsel .= ',' . $selector; |
| 579 |
} |
| 580 |
$css[ $newsel ] = $value; |
| 581 |
} |
| 582 |
} |
| 583 |
$an_array = $css; |
| 584 |
} |
| 585 |
|
| 586 |
/** |
| 587 |
* Removes invalid selectors and their corresponding rule-sets as |
| 588 |
* defined by 4.1.7 in REC-CSS2. This is a very rudimentary check |
| 589 |
* and should be replaced by a full-blown parsing algorithm or |
| 590 |
* regular expression. |
| 591 |
* |
| 592 |
* @since 1.0.0 |
| 593 |
* |
| 594 |
* @param array<string, mixed> $an_array [description]. |
| 595 |
*/ |
| 596 |
public function discard_invalid_selectors( array &$an_array ): void { |
| 597 |
foreach ( $an_array as $selector => $decls ) { |
| 598 |
$ok = true; |
| 599 |
$selectors = array_map( 'trim', explode( ',', $selector ) ); |
| 600 |
foreach ( $selectors as $s ) { |
| 601 |
$simple_selectors = preg_split( '/\s*[+>~\s]\s*/', $s ); |
| 602 |
foreach ( $simple_selectors as $ss ) { |
| 603 |
if ( '' === $ss ) { |
| 604 |
$ok = false; |
| 605 |
} |
| 606 |
// Could also check $ss for internal structure, but that probably would be too slow. |
| 607 |
} |
| 608 |
} |
| 609 |
if ( ! $ok ) { |
| 610 |
unset( $an_array[ $selector ] ); |
| 611 |
} |
| 612 |
} |
| 613 |
} |
| 614 |
|
| 615 |
/** |
| 616 |
* Dissolves properties like padding:10px 10px 10px to padding-top:10px;padding-bottom:10px;... |
| 617 |
* |
| 618 |
* @since 1.0.0 |
| 619 |
* |
| 620 |
* @param string $property [description]. |
| 621 |
* @param string $value [description]. |
| 622 |
* @return array [description] |
| 623 |
*/ |
| 624 |
public function dissolve_4value_shorthands( string $property, string $value ): array { |
| 625 |
$return = array(); |
| 626 |
|
| 627 |
$shorthands = &$this->parser->data['csstidy']['shorthands']; |
| 628 |
if ( ! is_array( $shorthands[ $property ] ) ) { |
| 629 |
$return[ $property ] = $value; |
| 630 |
return $return; |
| 631 |
} |
| 632 |
|
| 633 |
$important = ''; |
| 634 |
if ( $this->parser->is_important( $value ) ) { |
| 635 |
$value = $this->parser->gvw_important( $value ); |
| 636 |
$important = ' !important'; |
| 637 |
} |
| 638 |
$values = explode( ' ', $value ); |
| 639 |
|
| 640 |
if ( 4 === count( $values ) ) { |
| 641 |
for ( $i = 0; $i < 4; $i++ ) { |
| 642 |
$return[ $shorthands[ $property ][ $i ] ] = $values[ $i ] . $important; |
| 643 |
} |
| 644 |
} elseif ( 3 === count( $values ) ) { |
| 645 |
$return[ $shorthands[ $property ][0] ] = $values[0] . $important; |
| 646 |
$return[ $shorthands[ $property ][1] ] = $values[1] . $important; |
| 647 |
$return[ $shorthands[ $property ][3] ] = $values[1] . $important; |
| 648 |
$return[ $shorthands[ $property ][2] ] = $values[2] . $important; |
| 649 |
} elseif ( 2 === count( $values ) ) { |
| 650 |
for ( $i = 0; $i < 4; $i++ ) { |
| 651 |
$return[ $shorthands[ $property ][ $i ] ] = ( 0 !== $i % 2 ) ? $values[1] . $important : $values[0] . $important; |
| 652 |
} |
| 653 |
} else { |
| 654 |
for ( $i = 0; $i < 4; $i++ ) { |
| 655 |
$return[ $shorthands[ $property ][ $i ] ] = $values[0] . $important; |
| 656 |
} |
| 657 |
} |
| 658 |
|
| 659 |
return $return; |
| 660 |
} |
| 661 |
|
| 662 |
/** |
| 663 |
* Explodes a string as explode() does, however, not if $sep is escaped or within a string. |
| 664 |
* |
| 665 |
* @since 1.0.0 |
| 666 |
* |
| 667 |
* @param string $sep Separator. |
| 668 |
* @param string $a_string String. |
| 669 |
* @return array [description] |
| 670 |
*/ |
| 671 |
public function explode_ws( string $sep, string $a_string ): array { |
| 672 |
$status = 'st'; |
| 673 |
$to = ''; |
| 674 |
|
| 675 |
$output = array(); |
| 676 |
$num = 0; |
| 677 |
for ( $i = 0, $len = strlen( $a_string ); $i < $len; $i++ ) { |
| 678 |
switch ( $status ) { |
| 679 |
case 'st': |
| 680 |
if ( $a_string[ $i ] === $sep && ! $this->parser->escaped( $a_string, $i ) ) { |
| 681 |
++$num; |
| 682 |
} elseif ( '"' === $a_string[ $i ] || "'" === $a_string[ $i ] || ( '(' === $a_string[ $i ] && ! $this->parser->escaped( $a_string, $i ) ) ) { |
| 683 |
$status = 'str'; |
| 684 |
$to = ( '(' === $a_string[ $i ] ) ? ')' : $a_string[ $i ]; |
| 685 |
( isset( $output[ $num ] ) ) ? $output[ $num ] .= $a_string[ $i ] : $output[ $num ] = $a_string[ $i ]; |
| 686 |
} else { |
| 687 |
( isset( $output[ $num ] ) ) ? $output[ $num ] .= $a_string[ $i ] : $output[ $num ] = $a_string[ $i ]; |
| 688 |
} |
| 689 |
break; |
| 690 |
|
| 691 |
case 'str': |
| 692 |
if ( $a_string[ $i ] === $to && ! $this->parser->escaped( $a_string, $i ) ) { |
| 693 |
$status = 'st'; |
| 694 |
} |
| 695 |
( isset( $output[ $num ] ) ) ? $output[ $num ] .= $a_string[ $i ] : $output[ $num ] = $a_string[ $i ]; |
| 696 |
break; |
| 697 |
} |
| 698 |
} |
| 699 |
|
| 700 |
if ( isset( $output[0] ) ) { |
| 701 |
return $output; |
| 702 |
} else { |
| 703 |
return array( $output ); |
| 704 |
} |
| 705 |
} |
| 706 |
|
| 707 |
/** |
| 708 |
* Merges Shorthand properties again, the opposite of dissolve_4value_shorthands(). |
| 709 |
* |
| 710 |
* @since 1.0.0 |
| 711 |
* |
| 712 |
* @param array<string, mixed> $an_array [description]. |
| 713 |
* @return array<string, mixed> [description] |
| 714 |
*/ |
| 715 |
public function merge_4value_shorthands( array $an_array ): array { |
| 716 |
$return = $an_array; |
| 717 |
$shorthands = &$this->parser->data['csstidy']['shorthands']; |
| 718 |
|
| 719 |
foreach ( $shorthands as $key => $value ) { |
| 720 |
if ( 0 !== $value && isset( $an_array[ $value[0] ], $an_array[ $value[1] ], $an_array[ $value[2] ], $an_array[ $value[3] ] ) ) { |
| 721 |
$return[ $key ] = ''; |
| 722 |
|
| 723 |
$important = ''; |
| 724 |
for ( $i = 0; $i < 4; $i++ ) { |
| 725 |
$val = $an_array[ $value[ $i ] ]; |
| 726 |
if ( $this->parser->is_important( $val ) ) { |
| 727 |
$important = ' !important'; |
| 728 |
$return[ $key ] .= $this->parser->gvw_important( $val ) . ' '; |
| 729 |
} else { |
| 730 |
$return[ $key ] .= $val . ' '; |
| 731 |
} |
| 732 |
unset( $return[ $value[ $i ] ] ); |
| 733 |
} |
| 734 |
$return[ $key ] = $this->shorthand( trim( $return[ $key ] . $important ) ); |
| 735 |
} |
| 736 |
} |
| 737 |
return $return; |
| 738 |
} |
| 739 |
|
| 740 |
/** |
| 741 |
* Dissolve background property. |
| 742 |
* |
| 743 |
* @todo Full CSS3 compliance. |
| 744 |
* |
| 745 |
* @since 1.0.0 |
| 746 |
* |
| 747 |
* @param string $str_value String value. |
| 748 |
* @return array<string, string|null> Array. |
| 749 |
*/ |
| 750 |
public function dissolve_short_bg( string $str_value ): array { |
| 751 |
// Don't try to explode background gradient! |
| 752 |
if ( false !== stripos( $str_value, 'gradient(' ) ) { |
| 753 |
return array( 'background' => $str_value ); |
| 754 |
} |
| 755 |
|
| 756 |
$background_prop_default = &$this->parser->data['csstidy']['background_prop_default']; |
| 757 |
$repeat = array( 'repeat', 'repeat-x', 'repeat-y', 'no-repeat', 'space' ); |
| 758 |
$attachment = array( 'scroll', 'fixed', 'local' ); |
| 759 |
$clip = array( 'border', 'padding' ); |
| 760 |
$origin = array( 'border', 'padding', 'content' ); |
| 761 |
$pos = array( 'top', 'center', 'bottom', 'left', 'right' ); |
| 762 |
$important = ''; |
| 763 |
$return = array( |
| 764 |
'background-image' => null, |
| 765 |
'background-size' => null, |
| 766 |
'background-repeat' => null, |
| 767 |
'background-position' => null, |
| 768 |
'background-attachment' => null, |
| 769 |
'background-clip' => null, |
| 770 |
'background-origin' => null, |
| 771 |
'background-color' => null, |
| 772 |
); |
| 773 |
|
| 774 |
if ( $this->parser->is_important( $str_value ) ) { |
| 775 |
$important = ' !important'; |
| 776 |
$str_value = $this->parser->gvw_important( $str_value ); |
| 777 |
} |
| 778 |
|
| 779 |
$have = array(); |
| 780 |
$str_value = $this->explode_ws( ',', $str_value ); |
| 781 |
$str_value_count = count( $str_value ); |
| 782 |
for ( $i = 0; $i < $str_value_count; $i++ ) { |
| 783 |
$have['clip'] = false; |
| 784 |
$have['pos'] = false; |
| 785 |
$have['color'] = false; |
| 786 |
$have['bg'] = false; |
| 787 |
|
| 788 |
if ( is_array( $str_value[ $i ] ) ) { |
| 789 |
$str_value[ $i ] = $str_value[ $i ][0]; |
| 790 |
} |
| 791 |
$str_value[ $i ] = $this->explode_ws( ' ', trim( $str_value[ $i ] ) ); |
| 792 |
|
| 793 |
$str_value_i_count = count( $str_value[ $i ] ); |
| 794 |
for ( $j = 0; $j < $str_value_i_count; $j++ ) { |
| 795 |
if ( false === $have['bg'] && ( str_starts_with( $str_value[ $i ][ $j ], 'url(' ) || 'none' === $str_value[ $i ][ $j ] ) ) { |
| 796 |
$return['background-image'] .= $str_value[ $i ][ $j ] . ','; |
| 797 |
$have['bg'] = true; |
| 798 |
} elseif ( in_array( $str_value[ $i ][ $j ], $repeat, true ) ) { |
| 799 |
$return['background-repeat'] .= $str_value[ $i ][ $j ] . ','; |
| 800 |
} elseif ( in_array( $str_value[ $i ][ $j ], $attachment, true ) ) { |
| 801 |
$return['background-attachment'] .= $str_value[ $i ][ $j ] . ','; |
| 802 |
} elseif ( in_array( $str_value[ $i ][ $j ], $clip, true ) && ! $have['clip'] ) { |
| 803 |
$return['background-clip'] .= $str_value[ $i ][ $j ] . ','; |
| 804 |
$have['clip'] = true; |
| 805 |
} elseif ( in_array( $str_value[ $i ][ $j ], $origin, true ) ) { |
| 806 |
$return['background-origin'] .= $str_value[ $i ][ $j ] . ','; |
| 807 |
} elseif ( '(' === $str_value[ $i ][ $j ][0] ) { |
| 808 |
$return['background-size'] .= substr( $str_value[ $i ][ $j ], 1, -1 ) . ','; |
| 809 |
} elseif ( in_array( $str_value[ $i ][ $j ], $pos, true ) || is_numeric( $str_value[ $i ][ $j ][0] ) || is_null( $str_value[ $i ][ $j ][0] ) || '-' === $str_value[ $i ][ $j ][0] || '.' === $str_value[ $i ][ $j ][0] ) { |
| 810 |
$return['background-position'] .= $str_value[ $i ][ $j ]; |
| 811 |
if ( ! $have['pos'] ) { |
| 812 |
$return['background-position'] .= ' '; |
| 813 |
} else { |
| 814 |
$return['background-position'] .= ','; |
| 815 |
} |
| 816 |
$have['pos'] = true; |
| 817 |
} elseif ( ! $have['color'] ) { |
| 818 |
$return['background-color'] .= $str_value[ $i ][ $j ] . ','; |
| 819 |
$have['color'] = true; |
| 820 |
} |
| 821 |
} |
| 822 |
} |
| 823 |
|
| 824 |
foreach ( $background_prop_default as $bg_prop => $default_value ) { |
| 825 |
if ( null !== $return[ $bg_prop ] ) { |
| 826 |
$return[ $bg_prop ] = substr( $return[ $bg_prop ], 0, -1 ) . $important; |
| 827 |
} else { |
| 828 |
$return[ $bg_prop ] = $default_value . $important; |
| 829 |
} |
| 830 |
} |
| 831 |
return $return; |
| 832 |
} |
| 833 |
|
| 834 |
/** |
| 835 |
* Merges all background properties. |
| 836 |
* |
| 837 |
* @todo Full CSS3 compliance. |
| 838 |
* |
| 839 |
* @since 1.0.0 |
| 840 |
* |
| 841 |
* @param array<string, mixed> $input_css CSS. |
| 842 |
* @return array<string, mixed> Array. |
| 843 |
*/ |
| 844 |
public function merge_bg( array $input_css ): array { |
| 845 |
$background_prop_default = &$this->parser->data['csstidy']['background_prop_default']; |
| 846 |
// Max number of background images. CSS3 not yet fully implemented. |
| 847 |
$number_of_values = @max( count( $this->explode_ws( ',', $input_css['background-image'] ) ), count( $this->explode_ws( ',', $input_css['background-color'] ) ), 1 ); // phpcs:ignore WordPress.PHP.NoSilencedErrors.Discouraged |
| 848 |
// Array with background images to check if BG image exists. |
| 849 |
$bg_img_array = @$this->explode_ws( ',', $this->parser->gvw_important( $input_css['background-image'] ) ); // phpcs:ignore WordPress.PHP.NoSilencedErrors.Discouraged |
| 850 |
$new_bg_value = ''; |
| 851 |
$important = ''; |
| 852 |
|
| 853 |
// If background properties is here and not empty, don't try anything. |
| 854 |
if ( isset( $input_css['background'] ) && $input_css['background'] ) { |
| 855 |
return $input_css; |
| 856 |
} |
| 857 |
|
| 858 |
for ( $i = 0; $i < $number_of_values; $i++ ) { |
| 859 |
foreach ( $background_prop_default as $bg_property => $default_value ) { |
| 860 |
// Skip if property does not exist. |
| 861 |
if ( ! isset( $input_css[ $bg_property ] ) ) { |
| 862 |
continue; |
| 863 |
} |
| 864 |
|
| 865 |
$cur_value = $input_css[ $bg_property ]; |
| 866 |
// Skip all optimisation if gradient() somewhere. |
| 867 |
if ( false !== stripos( $cur_value, 'gradient(' ) ) { |
| 868 |
return $input_css; |
| 869 |
} |
| 870 |
|
| 871 |
// Skip some properties if there is no background image. |
| 872 |
if ( ( ! isset( $bg_img_array[ $i ] ) || 'none' === $bg_img_array[ $i ] ) |
| 873 |
&& ( 'background-size' === $bg_property || 'background-position' === $bg_property || 'background-attachment' === $bg_property || 'background-repeat' === $bg_property ) ) { |
| 874 |
continue; |
| 875 |
} |
| 876 |
|
| 877 |
// Remove !important. |
| 878 |
if ( $this->parser->is_important( $cur_value ) ) { |
| 879 |
$important = ' !important'; |
| 880 |
$cur_value = $this->parser->gvw_important( $cur_value ); |
| 881 |
} |
| 882 |
|
| 883 |
// Do not add default values. |
| 884 |
if ( $cur_value === $default_value ) { |
| 885 |
continue; |
| 886 |
} |
| 887 |
|
| 888 |
$temp = $this->explode_ws( ',', $cur_value ); |
| 889 |
|
| 890 |
if ( isset( $temp[ $i ] ) ) { |
| 891 |
if ( 'background-size' === $bg_property ) { |
| 892 |
$new_bg_value .= '(' . $temp[ $i ] . ') '; |
| 893 |
} else { |
| 894 |
$new_bg_value .= $temp[ $i ] . ' '; |
| 895 |
} |
| 896 |
} |
| 897 |
} |
| 898 |
|
| 899 |
$new_bg_value = trim( $new_bg_value ); |
| 900 |
if ( $i !== $number_of_values - 1 ) { |
| 901 |
$new_bg_value .= ','; |
| 902 |
} |
| 903 |
} |
| 904 |
|
| 905 |
// Delete all background properties. |
| 906 |
foreach ( $background_prop_default as $bg_property => $default_value ) { |
| 907 |
unset( $input_css[ $bg_property ] ); |
| 908 |
} |
| 909 |
|
| 910 |
// Add new background property. |
| 911 |
if ( '' !== $new_bg_value ) { |
| 912 |
$input_css['background'] = $new_bg_value . $important; |
| 913 |
} elseif ( isset( $input_css['background'] ) ) { |
| 914 |
$input_css['background'] = 'none'; |
| 915 |
} |
| 916 |
|
| 917 |
return $input_css; |
| 918 |
} |
| 919 |
|
| 920 |
/** |
| 921 |
* Dissolve font property. |
| 922 |
* |
| 923 |
* @since 1.0.0 |
| 924 |
* |
| 925 |
* @param string $str_value [description]. |
| 926 |
* @return array<string, string|null> [description] |
| 927 |
*/ |
| 928 |
public function dissolve_short_font( string $str_value ): array { |
| 929 |
$font_prop_default = &$this->parser->data['csstidy']['font_prop_default']; |
| 930 |
$font_weight = array( 'normal', 'bold', 'bolder', 'lighter', 100, 200, 300, 400, 500, 600, 700, 800, 900 ); |
| 931 |
$font_variant = array( 'normal', 'small-caps' ); |
| 932 |
$font_style = array( 'normal', 'italic', 'oblique' ); |
| 933 |
$important = ''; |
| 934 |
$return = array( |
| 935 |
'font-style' => null, |
| 936 |
'font-variant' => null, |
| 937 |
'font-weight' => null, |
| 938 |
'font-size' => null, |
| 939 |
'line-height' => null, |
| 940 |
'font-family' => null, |
| 941 |
); |
| 942 |
|
| 943 |
if ( $this->parser->is_important( $str_value ) ) { |
| 944 |
$important = ' !important'; |
| 945 |
$str_value = $this->parser->gvw_important( $str_value ); |
| 946 |
} |
| 947 |
|
| 948 |
$have = array(); |
| 949 |
$have['style'] = false; |
| 950 |
$have['variant'] = false; |
| 951 |
$have['weight'] = false; |
| 952 |
$have['size'] = false; |
| 953 |
// Detects if font-family consists of several words w/o quotes. |
| 954 |
$multiwords = false; |
| 955 |
|
| 956 |
// Workaround with multiple font-families. |
| 957 |
$str_value = $this->explode_ws( ',', trim( $str_value ) ); |
| 958 |
|
| 959 |
$str_value[0] = $this->explode_ws( ' ', trim( $str_value[0] ) ); |
| 960 |
|
| 961 |
$str_value_0_count = count( $str_value[0] ); |
| 962 |
for ( $j = 0; $j < $str_value_0_count; $j++ ) { |
| 963 |
if ( false === $have['weight'] && in_array( $str_value[0][ $j ], $font_weight, false ) ) { // phpcs:ignore WordPress.PHP.StrictInArray.FoundNonStrictFalse |
| 964 |
$return['font-weight'] = $str_value[0][ $j ]; |
| 965 |
$have['weight'] = true; |
| 966 |
} elseif ( false === $have['variant'] && in_array( $str_value[0][ $j ], $font_variant, true ) ) { |
| 967 |
$return['font-variant'] = $str_value[0][ $j ]; |
| 968 |
$have['variant'] = true; |
| 969 |
} elseif ( false === $have['style'] && in_array( $str_value[0][ $j ], $font_style, true ) ) { |
| 970 |
$return['font-style'] = $str_value[0][ $j ]; |
| 971 |
$have['style'] = true; |
| 972 |
} elseif ( false === $have['size'] && ( is_numeric( $str_value[0][ $j ][0] ) || is_null( $str_value[0][ $j ][0] ) || '.' === $str_value[0][ $j ][0] ) ) { |
| 973 |
$size = $this->explode_ws( '/', trim( $str_value[0][ $j ] ) ); |
| 974 |
$return['font-size'] = $size[0]; |
| 975 |
if ( isset( $size[1] ) ) { |
| 976 |
$return['line-height'] = $size[1]; |
| 977 |
} else { |
| 978 |
$return['line-height'] = ''; // Don't add 'normal'! |
| 979 |
} |
| 980 |
$have['size'] = true; |
| 981 |
} else { // phpcs:ignore Universal.ControlStructures.DisallowLonelyIf.Found |
| 982 |
if ( isset( $return['font-family'] ) ) { |
| 983 |
$return['font-family'] .= ' ' . $str_value[0][ $j ]; |
| 984 |
$multiwords = true; |
| 985 |
} else { |
| 986 |
$return['font-family'] = $str_value[0][ $j ]; |
| 987 |
} |
| 988 |
} |
| 989 |
} |
| 990 |
// Add quotes if we have several words in font-family. |
| 991 |
if ( $multiwords ) { |
| 992 |
$return['font-family'] = '"' . $return['font-family'] . '"'; |
| 993 |
} |
| 994 |
$i = 1; |
| 995 |
while ( isset( $str_value[ $i ] ) ) { |
| 996 |
$return['font-family'] .= ',' . trim( $str_value[ $i ] ); |
| 997 |
++$i; |
| 998 |
} |
| 999 |
|
| 1000 |
// Fix for font-size 100 and higher. |
| 1001 |
if ( false === $have['size'] && isset( $return['font-weight'] ) && is_numeric( $return['font-weight'][0] ) ) { |
| 1002 |
$return['font-size'] = $return['font-weight']; |
| 1003 |
unset( $return['font-weight'] ); |
| 1004 |
} |
| 1005 |
|
| 1006 |
foreach ( $font_prop_default as $font_prop => $default_value ) { |
| 1007 |
if ( null !== $return[ $font_prop ] ) { |
| 1008 |
$return[ $font_prop ] = $return[ $font_prop ] . $important; |
| 1009 |
} else { |
| 1010 |
$return[ $font_prop ] = $default_value . $important; |
| 1011 |
} |
| 1012 |
} |
| 1013 |
return $return; |
| 1014 |
} |
| 1015 |
|
| 1016 |
/** |
| 1017 |
* Merges all fonts properties. |
| 1018 |
* |
| 1019 |
* @since 1.0.0 |
| 1020 |
* |
| 1021 |
* @param array<string, string> $input_css [description]. |
| 1022 |
* @return array<string, string> [description] |
| 1023 |
*/ |
| 1024 |
public function merge_font( array $input_css ): array { |
| 1025 |
$font_prop_default = &$this->parser->data['csstidy']['font_prop_default']; |
| 1026 |
$new_font_value = ''; |
| 1027 |
$important = ''; |
| 1028 |
// Skip if no font-family and font-size set. |
| 1029 |
if ( isset( $input_css['font-family'], $input_css['font-size'] ) && 'inherit' !== $input_css['font-family'] ) { |
| 1030 |
// Fix several words in font-family - add quotes. |
| 1031 |
$families = explode( ',', $input_css['font-family'] ); |
| 1032 |
$result_families = array(); |
| 1033 |
foreach ( $families as $family ) { |
| 1034 |
$family = trim( $family ); |
| 1035 |
$len = strlen( $family ); |
| 1036 |
if ( str_contains( $family, ' ' ) && |
| 1037 |
! ( ( '"' === $family[0] && '"' === $family[ $len - 1 ] ) || |
| 1038 |
( "'" === $family[0] && "'" === $family[ $len - 1 ] ) ) ) { |
| 1039 |
$family = '"' . $family . '"'; |
| 1040 |
} |
| 1041 |
$result_families[] = $family; |
| 1042 |
} |
| 1043 |
$input_css['font-family'] = implode( ',', $result_families ); |
| 1044 |
foreach ( $font_prop_default as $font_property => $default_value ) { |
| 1045 |
// Skip if property does not exist. |
| 1046 |
if ( ! isset( $input_css[ $font_property ] ) ) { |
| 1047 |
continue; |
| 1048 |
} |
| 1049 |
|
| 1050 |
$cur_value = $input_css[ $font_property ]; |
| 1051 |
|
| 1052 |
// Skip if default value is used. |
| 1053 |
if ( $cur_value === $default_value ) { |
| 1054 |
continue; |
| 1055 |
} |
| 1056 |
|
| 1057 |
// Remove !important. |
| 1058 |
if ( $this->parser->is_important( $cur_value ) ) { |
| 1059 |
$important = ' !important'; |
| 1060 |
$cur_value = $this->parser->gvw_important( $cur_value ); |
| 1061 |
} |
| 1062 |
|
| 1063 |
$new_font_value .= $cur_value; |
| 1064 |
// Add delimiter. |
| 1065 |
$new_font_value .= ( 'font-size' === $font_property && isset( $input_css['line-height'] ) ) ? '/' : ' '; |
| 1066 |
} |
| 1067 |
|
| 1068 |
$new_font_value = trim( $new_font_value ); |
| 1069 |
|
| 1070 |
// Delete all font properties. |
| 1071 |
foreach ( $font_prop_default as $font_property => $default_value ) { |
| 1072 |
if ( 'font' !== $font_property || ! $new_font_value ) { |
| 1073 |
unset( $input_css[ $font_property ] ); |
| 1074 |
} |
| 1075 |
} |
| 1076 |
|
| 1077 |
// Add new font property. |
| 1078 |
if ( '' !== $new_font_value ) { |
| 1079 |
$input_css['font'] = $new_font_value . $important; |
| 1080 |
} |
| 1081 |
} |
| 1082 |
|
| 1083 |
return $input_css; |
| 1084 |
} |
| 1085 |
|
| 1086 |
} // class TablePress_CSSTidy_Optimise |
| 1087 |
|
