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back/Libraries/Sabberworm/CSS/src/RuleSet/DeclarationBlock.php
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| 1 | -<?php | |
| 2 | - | |
| 3 | -namespace Sabberworm\CSS\RuleSet; | |
| 4 | - | |
| 5 | -use Sabberworm\CSS\CSSList\CSSList; | |
| 6 | -use Sabberworm\CSS\CSSList\KeyFrame; | |
| 7 | -use Sabberworm\CSS\OutputFormat; | |
| 8 | -use Sabberworm\CSS\Parsing\OutputException; | |
| 9 | -use Sabberworm\CSS\Parsing\ParserState; | |
| 10 | -use Sabberworm\CSS\Parsing\UnexpectedEOFException; | |
| 11 | -use Sabberworm\CSS\Parsing\UnexpectedTokenException; | |
| 12 | -use Sabberworm\CSS\Property\KeyframeSelector; | |
| 13 | -use Sabberworm\CSS\Property\Selector; | |
| 14 | -use Sabberworm\CSS\Rule\Rule; | |
| 15 | -use Sabberworm\CSS\Value\Color; | |
| 16 | -use Sabberworm\CSS\Value\RuleValueList; | |
| 17 | -use Sabberworm\CSS\Value\Size; | |
| 18 | -use Sabberworm\CSS\Value\URL; | |
| 19 | -use Sabberworm\CSS\Value\Value; | |
| 20 | - | |
| 21 | -/** | |
| 22 | - * Declaration blocks are the parts of a CSS file which denote the rules belonging to a selector. | |
| 23 | - * | |
| 24 | - * Declaration blocks usually appear directly inside a `Document` or another `CSSList` (mostly a `MediaQuery`). | |
| 25 | - */ | |
| 26 | -class DeclarationBlock extends RuleSet | |
| 27 | -{ | |
| 28 | - /** | |
| 29 | - * @var array<int, Selector|string> | |
| 30 | - */ | |
| 31 | - private $aSelectors; | |
| 32 | - | |
| 33 | - /** | |
| 34 | - * @param int $iLineNo | |
| 35 | - */ | |
| 36 | - public function __construct($iLineNo = 0) | |
| 37 | - { | |
| 38 | - parent::__construct($iLineNo); | |
| 39 | - $this->aSelectors = []; | |
| 40 | - } | |
| 41 | - | |
| 42 | - /** | |
| 43 | - * @param CSSList|null $oList | |
| 44 | - * | |
| 45 | - * @return DeclarationBlock|false | |
| 46 | - * | |
| 47 | - * @throws UnexpectedTokenException | |
| 48 | - * @throws UnexpectedEOFException | |
| 49 | - */ | |
| 50 | - public static function parse(ParserState $oParserState, $oList = null) | |
| 51 | - { | |
| 52 | - $aComments = []; | |
| 53 | - $oResult = new DeclarationBlock($oParserState->currentLine()); | |
| 54 | - try { | |
| 55 | - $aSelectorParts = []; | |
| 56 | - $sStringWrapperChar = false; | |
| 57 | - do { | |
| 58 | - $aSelectorParts[] = $oParserState->consume(1) | |
| 59 | - . $oParserState->consumeUntil(['{', '}', '\'', '"'], false, false, $aComments); | |
| 60 | - if (in_array($oParserState->peek(), ['\'', '"']) && substr(end($aSelectorParts), -1) != "\\") { | |
| 61 | - if ($sStringWrapperChar === false) { | |
| 62 | - $sStringWrapperChar = $oParserState->peek(); | |
| 63 | - } elseif ($sStringWrapperChar == $oParserState->peek()) { | |
| 64 | - $sStringWrapperChar = false; | |
| 65 | - } | |
| 66 | - } | |
| 67 | - } while (!in_array($oParserState->peek(), ['{', '}']) || $sStringWrapperChar !== false); | |
| 68 | - $oResult->setSelectors(implode('', $aSelectorParts), $oList); | |
| 69 | - if ($oParserState->comes('{')) { | |
| 70 | - $oParserState->consume(1); | |
| 71 | - } | |
| 72 | - } catch (UnexpectedTokenException $e) { | |
| 73 | - if ($oParserState->getSettings()->bLenientParsing) { | |
| 74 | - if (!$oParserState->comes('}')) { | |
| 75 | - $oParserState->consumeUntil('}', false, true); | |
| 76 | - } | |
| 77 | - return false; | |
| 78 | - } else { | |
| 79 | - throw $e; | |
| 80 | - } | |
| 81 | - } | |
| 82 | - $oResult->setComments($aComments); | |
| 83 | - RuleSet::parseRuleSet($oParserState, $oResult); | |
| 84 | - return $oResult; | |
| 85 | - } | |
| 86 | - | |
| 87 | - /** | |
| 88 | - * @param array<int, Selector|string>|string $mSelector | |
| 89 | - * @param CSSList|null $oList | |
| 90 | - * | |
| 91 | - * @throws UnexpectedTokenException | |
| 92 | - */ | |
| 93 | - public function setSelectors($mSelector, $oList = null) | |
| 94 | - { | |
| 95 | - if (is_array($mSelector)) { | |
| 96 | - $this->aSelectors = $mSelector; | |
| 97 | - } else { | |
| 98 | - $this->aSelectors = explode(',', $mSelector); | |
| 99 | - } | |
| 100 | - foreach ($this->aSelectors as $iKey => $mSelector) { | |
| 101 | - if (!($mSelector instanceof Selector)) { | |
| 102 | - if ($oList === null || !($oList instanceof KeyFrame)) { | |
| 103 | - if (!Selector::isValid($mSelector)) { | |
| 104 | - throw new UnexpectedTokenException( | |
| 105 | - "Selector did not match '" . Selector::SELECTOR_VALIDATION_RX . "'.", | |
| 106 | - $mSelector, | |
| 107 | - "custom" | |
| 108 | - ); | |
| 109 | - } | |
| 110 | - $this->aSelectors[$iKey] = new Selector($mSelector); | |
| 111 | - } else { | |
| 112 | - if (!KeyframeSelector::isValid($mSelector)) { | |
| 113 | - throw new UnexpectedTokenException( | |
| 114 | - "Selector did not match '" . KeyframeSelector::SELECTOR_VALIDATION_RX . "'.", | |
| 115 | - $mSelector, | |
| 116 | - "custom" | |
| 117 | - ); | |
| 118 | - } | |
| 119 | - $this->aSelectors[$iKey] = new KeyframeSelector($mSelector); | |
| 120 | - } | |
| 121 | - } | |
| 122 | - } | |
| 123 | - } | |
| 124 | - | |
| 125 | - /** | |
| 126 | - * Remove one of the selectors of the block. | |
| 127 | - * | |
| 128 | - * @param Selector|string $mSelector | |
| 129 | - * | |
| 130 | - * @return bool | |
| 131 | - */ | |
| 132 | - public function removeSelector($mSelector) | |
| 133 | - { | |
| 134 | - if ($mSelector instanceof Selector) { | |
| 135 | - $mSelector = $mSelector->getSelector(); | |
| 136 | - } | |
| 137 | - foreach ($this->aSelectors as $iKey => $oSelector) { | |
| 138 | - if ($oSelector->getSelector() === $mSelector) { | |
| 139 | - unset($this->aSelectors[$iKey]); | |
| 140 | - return true; | |
| 141 | - } | |
| 142 | - } | |
| 143 | - return false; | |
| 144 | - } | |
| 145 | - | |
| 146 | - /** | |
| 147 | - * @return array<int, Selector|string> | |
| 148 | - * | |
| 149 | - * @deprecated will be removed in version 9.0; use `getSelectors()` instead | |
| 150 | - */ | |
| 151 | - public function getSelector() | |
| 152 | - { | |
| 153 | - return $this->getSelectors(); | |
| 154 | - } | |
| 155 | - | |
| 156 | - /** | |
| 157 | - * @param Selector|string $mSelector | |
| 158 | - * @param CSSList|null $oList | |
| 159 | - * | |
| 160 | - * @return void | |
| 161 | - * | |
| 162 | - * @deprecated will be removed in version 9.0; use `setSelectors()` instead | |
| 163 | - */ | |
| 164 | - public function setSelector($mSelector, $oList = null) | |
| 165 | - { | |
| 166 | - $this->setSelectors($mSelector, $oList); | |
| 167 | - } | |
| 168 | - | |
| 169 | - /** | |
| 170 | - * @return array<int, Selector|string> | |
| 171 | - */ | |
| 172 | - public function getSelectors() | |
| 173 | - { | |
| 174 | - return $this->aSelectors; | |
| 175 | - } | |
| 176 | - | |
| 177 | - /** | |
| 178 | - * Splits shorthand declarations (e.g. `margin` or `font`) into their constituent parts. | |
| 179 | - * | |
| 180 | - * @return void | |
| 181 | - */ | |
| 182 | - public function expandShorthands() | |
| 183 | - { | |
| 184 | - // border must be expanded before dimensions | |
| 185 | - $this->expandBorderShorthand(); | |
| 186 | - $this->expandDimensionsShorthand(); | |
| 187 | - $this->expandFontShorthand(); | |
| 188 | - $this->expandBackgroundShorthand(); | |
| 189 | - $this->expandListStyleShorthand(); | |
| 190 | - } | |
| 191 | - | |
| 192 | - /** | |
| 193 | - * Creates shorthand declarations (e.g. `margin` or `font`) whenever possible. | |
| 194 | - * | |
| 195 | - * @return void | |
| 196 | - */ | |
| 197 | - public function createShorthands() | |
| 198 | - { | |
| 199 | - $this->createBackgroundShorthand(); | |
| 200 | - $this->createDimensionsShorthand(); | |
| 201 | - // border must be shortened after dimensions | |
| 202 | - $this->createBorderShorthand(); | |
| 203 | - $this->createFontShorthand(); | |
| 204 | - $this->createListStyleShorthand(); | |
| 205 | - } | |
| 206 | - | |
| 207 | - /** | |
| 208 | - * Splits shorthand border declarations (e.g. `border: 1px red;`). | |
| 209 | - * | |
| 210 | - * Additional splitting happens in expandDimensionsShorthand. | |
| 211 | - * | |
| 212 | - * Multiple borders are not yet supported as of 3. | |
| 213 | - * | |
| 214 | - * @return void | |
| 215 | - */ | |
| 216 | - public function expandBorderShorthand() | |
| 217 | - { | |
| 218 | - $aBorderRules = [ | |
| 219 | - 'border', | |
| 220 | - 'border-left', | |
| 221 | - 'border-right', | |
| 222 | - 'border-top', | |
| 223 | - 'border-bottom', | |
| 224 | - ]; | |
| 225 | - $aBorderSizes = [ | |
| 226 | - 'thin', | |
| 227 | - 'medium', | |
| 228 | - 'thick', | |
| 229 | - ]; | |
| 230 | - $aRules = $this->getRulesAssoc(); | |
| 231 | - foreach ($aBorderRules as $sBorderRule) { | |
| 232 | - if (!isset($aRules[$sBorderRule])) { | |
| 233 | - continue; | |
| 234 | - } | |
| 235 | - $oRule = $aRules[$sBorderRule]; | |
| 236 | - $mRuleValue = $oRule->getValue(); | |
| 237 | - $aValues = []; | |
| 238 | - if (!$mRuleValue instanceof RuleValueList) { | |
| 239 | - $aValues[] = $mRuleValue; | |
| 240 | - } else { | |
| 241 | - $aValues = $mRuleValue->getListComponents(); | |
| 242 | - } | |
| 243 | - foreach ($aValues as $mValue) { | |
| 244 | - if ($mValue instanceof Value) { | |
| 245 | - $mNewValue = clone $mValue; | |
| 246 | - } else { | |
| 247 | - $mNewValue = $mValue; | |
| 248 | - } | |
| 249 | - if ($mValue instanceof Size) { | |
| 250 | - $sNewRuleName = $sBorderRule . "-width"; | |
| 251 | - } elseif ($mValue instanceof Color) { | |
| 252 | - $sNewRuleName = $sBorderRule . "-color"; | |
| 253 | - } else { | |
| 254 | - if (in_array($mValue, $aBorderSizes)) { | |
| 255 | - $sNewRuleName = $sBorderRule . "-width"; | |
| 256 | - } else { | |
| 257 | - $sNewRuleName = $sBorderRule . "-style"; | |
| 258 | - } | |
| 259 | - } | |
| 260 | - $oNewRule = new Rule($sNewRuleName, $oRule->getLineNo(), $oRule->getColNo()); | |
| 261 | - $oNewRule->setIsImportant($oRule->getIsImportant()); | |
| 262 | - $oNewRule->addValue([$mNewValue]); | |
| 263 | - $this->addRule($oNewRule); | |
| 264 | - } | |
| 265 | - $this->removeRule($sBorderRule); | |
| 266 | - } | |
| 267 | - } | |
| 268 | - | |
| 269 | - /** | |
| 270 | - * Splits shorthand dimensional declarations (e.g. `margin: 0px auto;`) | |
| 271 | - * into their constituent parts. | |
| 272 | - * | |
| 273 | - * Handles `margin`, `padding`, `border-color`, `border-style` and `border-width`. | |
| 274 | - * | |
| 275 | - * @return void | |
| 276 | - */ | |
| 277 | - public function expandDimensionsShorthand() | |
| 278 | - { | |
| 279 | - $aExpansions = [ | |
| 280 | - 'margin' => 'margin-%s', | |
| 281 | - 'padding' => 'padding-%s', | |
| 282 | - 'border-color' => 'border-%s-color', | |
| 283 | - 'border-style' => 'border-%s-style', | |
| 284 | - 'border-width' => 'border-%s-width', | |
| 285 | - ]; | |
| 286 | - $aRules = $this->getRulesAssoc(); | |
| 287 | - foreach ($aExpansions as $sProperty => $sExpanded) { | |
| 288 | - if (!isset($aRules[$sProperty])) { | |
| 289 | - continue; | |
| 290 | - } | |
| 291 | - $oRule = $aRules[$sProperty]; | |
| 292 | - $mRuleValue = $oRule->getValue(); | |
| 293 | - $aValues = []; | |
| 294 | - if (!$mRuleValue instanceof RuleValueList) { | |
| 295 | - $aValues[] = $mRuleValue; | |
| 296 | - } else { | |
| 297 | - $aValues = $mRuleValue->getListComponents(); | |
| 298 | - } | |
| 299 | - $top = $right = $bottom = $left = null; | |
| 300 | - switch (count($aValues)) { | |
| 301 | - case 1: | |
| 302 | - $top = $right = $bottom = $left = $aValues[0]; | |
| 303 | - break; | |
| 304 | - case 2: | |
| 305 | - $top = $bottom = $aValues[0]; | |
| 306 | - $left = $right = $aValues[1]; | |
| 307 | - break; | |
| 308 | - case 3: | |
| 309 | - $top = $aValues[0]; | |
| 310 | - $left = $right = $aValues[1]; | |
| 311 | - $bottom = $aValues[2]; | |
| 312 | - break; | |
| 313 | - case 4: | |
| 314 | - $top = $aValues[0]; | |
| 315 | - $right = $aValues[1]; | |
| 316 | - $bottom = $aValues[2]; | |
| 317 | - $left = $aValues[3]; | |
| 318 | - break; | |
| 319 | - } | |
| 320 | - foreach (['top', 'right', 'bottom', 'left'] as $sPosition) { | |
| 321 | - $oNewRule = new Rule(sprintf($sExpanded, $sPosition), $oRule->getLineNo(), $oRule->getColNo()); | |
| 322 | - $oNewRule->setIsImportant($oRule->getIsImportant()); | |
| 323 | - $oNewRule->addValue(${$sPosition}); | |
| 324 | - $this->addRule($oNewRule); | |
| 325 | - } | |
| 326 | - $this->removeRule($sProperty); | |
| 327 | - } | |
| 328 | - } | |
| 329 | - | |
| 330 | - /** | |
| 331 | - * Converts shorthand font declarations | |
| 332 | - * (e.g. `font: 300 italic 11px/14px verdana, helvetica, sans-serif;`) | |
| 333 | - * into their constituent parts. | |
| 334 | - * | |
| 335 | - * @return void | |
| 336 | - */ | |
| 337 | - public function expandFontShorthand() | |
| 338 | - { | |
| 339 | - $aRules = $this->getRulesAssoc(); | |
| 340 | - if (!isset($aRules['font'])) { | |
| 341 | - return; | |
| 342 | - } | |
| 343 | - $oRule = $aRules['font']; | |
| 344 | - // reset properties to 'normal' per http://www.w3.org/TR/21/fonts.html#font-shorthand | |
| 345 | - $aFontProperties = [ | |
| 346 | - 'font-style' => 'normal', | |
| 347 | - 'font-variant' => 'normal', | |
| 348 | - 'font-weight' => 'normal', | |
| 349 | - 'font-size' => 'normal', | |
| 350 | - 'line-height' => 'normal', | |
| 351 | - ]; | |
| 352 | - $mRuleValue = $oRule->getValue(); | |
| 353 | - $aValues = []; | |
| 354 | - if (!$mRuleValue instanceof RuleValueList) { | |
| 355 | - $aValues[] = $mRuleValue; | |
| 356 | - } else { | |
| 357 | - $aValues = $mRuleValue->getListComponents(); | |
| 358 | - } | |
| 359 | - foreach ($aValues as $mValue) { | |
| 360 | - if (!$mValue instanceof Value) { | |
| 361 | - $mValue = mb_strtolower($mValue); | |
| 362 | - } | |
| 363 | - if (in_array($mValue, ['normal', 'inherit'])) { | |
| 364 | - foreach (['font-style', 'font-weight', 'font-variant'] as $sProperty) { | |
| 365 | - if (!isset($aFontProperties[$sProperty])) { | |
| 366 | - $aFontProperties[$sProperty] = $mValue; | |
| 367 | - } | |
| 368 | - } | |
| 369 | - } elseif (in_array($mValue, ['italic', 'oblique'])) { | |
| 370 | - $aFontProperties['font-style'] = $mValue; | |
| 371 | - } elseif ($mValue == 'small-caps') { | |
| 372 | - $aFontProperties['font-variant'] = $mValue; | |
| 373 | - } elseif ( | |
| 374 | - in_array($mValue, ['bold', 'bolder', 'lighter']) | |
| 375 | - || ($mValue instanceof Size | |
| 376 | - && in_array($mValue->getSize(), range(100, 900, 100))) | |
| 377 | - ) { | |
| 378 | - $aFontProperties['font-weight'] = $mValue; | |
| 379 | - } elseif ($mValue instanceof RuleValueList && $mValue->getListSeparator() == '/') { | |
| 380 | - list($oSize, $oHeight) = $mValue->getListComponents(); | |
| 381 | - $aFontProperties['font-size'] = $oSize; | |
| 382 | - $aFontProperties['line-height'] = $oHeight; | |
| 383 | - } elseif ($mValue instanceof Size && $mValue->getUnit() !== null) { | |
| 384 | - $aFontProperties['font-size'] = $mValue; | |
| 385 | - } else { | |
| 386 | - $aFontProperties['font-family'] = $mValue; | |
| 387 | - } | |
| 388 | - } | |
| 389 | - foreach ($aFontProperties as $sProperty => $mValue) { | |
| 390 | - $oNewRule = new Rule($sProperty, $oRule->getLineNo(), $oRule->getColNo()); | |
| 391 | - $oNewRule->addValue($mValue); | |
| 392 | - $oNewRule->setIsImportant($oRule->getIsImportant()); | |
| 393 | - $this->addRule($oNewRule); | |
| 394 | - } | |
| 395 | - $this->removeRule('font'); | |
| 396 | - } | |
| 397 | - | |
| 398 | - /** | |
| 399 | - * Converts shorthand background declarations | |
| 400 | - * (e.g. `background: url("chess.png") gray 50% repeat fixed;`) | |
| 401 | - * into their constituent parts. | |
| 402 | - * | |
| 403 | - * @see http://www.w3.org/TR/21/colors.html#propdef-background | |
| 404 | - * | |
| 405 | - * @return void | |
| 406 | - */ | |
| 407 | - public function expandBackgroundShorthand() | |
| 408 | - { | |
| 409 | - $aRules = $this->getRulesAssoc(); | |
| 410 | - if (!isset($aRules['background'])) { | |
| 411 | - return; | |
| 412 | - } | |
| 413 | - $oRule = $aRules['background']; | |
| 414 | - $aBgProperties = [ | |
| 415 | - 'background-color' => ['transparent'], | |
| 416 | - 'background-image' => ['none'], | |
| 417 | - 'background-repeat' => ['repeat'], | |
| 418 | - 'background-attachment' => ['scroll'], | |
| 419 | - 'background-position' => [ | |
| 420 | - new Size(0, '%', null, false, $this->iLineNo), | |
| 421 | - new Size(0, '%', null, false, $this->iLineNo), | |
| 422 | - ], | |
| 423 | - ]; | |
| 424 | - $mRuleValue = $oRule->getValue(); | |
| 425 | - $aValues = []; | |
| 426 | - if (!$mRuleValue instanceof RuleValueList) { | |
| 427 | - $aValues[] = $mRuleValue; | |
| 428 | - } else { | |
| 429 | - $aValues = $mRuleValue->getListComponents(); | |
| 430 | - } | |
| 431 | - if (count($aValues) == 1 && $aValues[0] == 'inherit') { | |
| 432 | - foreach ($aBgProperties as $sProperty => $mValue) { | |
| 433 | - $oNewRule = new Rule($sProperty, $oRule->getLineNo(), $oRule->getColNo()); | |
| 434 | - $oNewRule->addValue('inherit'); | |
| 435 | - $oNewRule->setIsImportant($oRule->getIsImportant()); | |
| 436 | - $this->addRule($oNewRule); | |
| 437 | - } | |
| 438 | - $this->removeRule('background'); | |
| 439 | - return; | |
| 440 | - } | |
| 441 | - $iNumBgPos = 0; | |
| 442 | - foreach ($aValues as $mValue) { | |
| 443 | - if (!$mValue instanceof Value) { | |
| 444 | - $mValue = mb_strtolower($mValue); | |
| 445 | - } | |
| 446 | - if ($mValue instanceof URL) { | |
| 447 | - $aBgProperties['background-image'] = $mValue; | |
| 448 | - } elseif ($mValue instanceof Color) { | |
| 449 | - $aBgProperties['background-color'] = $mValue; | |
| 450 | - } elseif (in_array($mValue, ['scroll', 'fixed'])) { | |
| 451 | - $aBgProperties['background-attachment'] = $mValue; | |
| 452 | - } elseif (in_array($mValue, ['repeat', 'no-repeat', 'repeat-x', 'repeat-y'])) { | |
| 453 | - $aBgProperties['background-repeat'] = $mValue; | |
| 454 | - } elseif ( | |
| 455 | - in_array($mValue, ['left', 'center', 'right', 'top', 'bottom']) | |
| 456 | - || $mValue instanceof Size | |
| 457 | - ) { | |
| 458 | - if ($iNumBgPos == 0) { | |
| 459 | - $aBgProperties['background-position'][0] = $mValue; | |
| 460 | - $aBgProperties['background-position'][1] = 'center'; | |
| 461 | - } else { | |
| 462 | - $aBgProperties['background-position'][$iNumBgPos] = $mValue; | |
| 463 | - } | |
| 464 | - $iNumBgPos++; | |
| 465 | - } | |
| 466 | - } | |
| 467 | - foreach ($aBgProperties as $sProperty => $mValue) { | |
| 468 | - $oNewRule = new Rule($sProperty, $oRule->getLineNo(), $oRule->getColNo()); | |
| 469 | - $oNewRule->setIsImportant($oRule->getIsImportant()); | |
| 470 | - $oNewRule->addValue($mValue); | |
| 471 | - $this->addRule($oNewRule); | |
| 472 | - } | |
| 473 | - $this->removeRule('background'); | |
| 474 | - } | |
| 475 | - | |
| 476 | - /** | |
| 477 | - * @return void | |
| 478 | - */ | |
| 479 | - public function expandListStyleShorthand() | |
| 480 | - { | |
| 481 | - $aListProperties = [ | |
| 482 | - 'list-style-type' => 'disc', | |
| 483 | - 'list-style-position' => 'outside', | |
| 484 | - 'list-style-image' => 'none', | |
| 485 | - ]; | |
| 486 | - $aListStyleTypes = [ | |
| 487 | - 'none', | |
| 488 | - 'disc', | |
| 489 | - 'circle', | |
| 490 | - 'square', | |
| 491 | - 'decimal-leading-zero', | |
| 492 | - 'decimal', | |
| 493 | - 'lower-roman', | |
| 494 | - 'upper-roman', | |
| 495 | - 'lower-greek', | |
| 496 | - 'lower-alpha', | |
| 497 | - 'lower-latin', | |
| 498 | - 'upper-alpha', | |
| 499 | - 'upper-latin', | |
| 500 | - 'hebrew', | |
| 501 | - 'armenian', | |
| 502 | - 'georgian', | |
| 503 | - 'cjk-ideographic', | |
| 504 | - 'hiragana', | |
| 505 | - 'hira-gana-iroha', | |
| 506 | - 'katakana-iroha', | |
| 507 | - 'katakana', | |
| 508 | - ]; | |
| 509 | - $aListStylePositions = [ | |
| 510 | - 'inside', | |
| 511 | - 'outside', | |
| 512 | - ]; | |
| 513 | - $aRules = $this->getRulesAssoc(); | |
| 514 | - if (!isset($aRules['list-style'])) { | |
| 515 | - return; | |
| 516 | - } | |
| 517 | - $oRule = $aRules['list-style']; | |
| 518 | - $mRuleValue = $oRule->getValue(); | |
| 519 | - $aValues = []; | |
| 520 | - if (!$mRuleValue instanceof RuleValueList) { | |
| 521 | - $aValues[] = $mRuleValue; | |
| 522 | - } else { | |
| 523 | - $aValues = $mRuleValue->getListComponents(); | |
| 524 | - } | |
| 525 | - if (count($aValues) == 1 && $aValues[0] == 'inherit') { | |
| 526 | - foreach ($aListProperties as $sProperty => $mValue) { | |
| 527 | - $oNewRule = new Rule($sProperty, $oRule->getLineNo(), $oRule->getColNo()); | |
| 528 | - $oNewRule->addValue('inherit'); | |
| 529 | - $oNewRule->setIsImportant($oRule->getIsImportant()); | |
| 530 | - $this->addRule($oNewRule); | |
| 531 | - } | |
| 532 | - $this->removeRule('list-style'); | |
| 533 | - return; | |
| 534 | - } | |
| 535 | - foreach ($aValues as $mValue) { | |
| 536 | - if (!$mValue instanceof Value) { | |
| 537 | - $mValue = mb_strtolower($mValue); | |
| 538 | - } | |
| 539 | - if ($mValue instanceof Url) { | |
| 540 | - $aListProperties['list-style-image'] = $mValue; | |
| 541 | - } elseif (in_array($mValue, $aListStyleTypes)) { | |
| 542 | - $aListProperties['list-style-types'] = $mValue; | |
| 543 | - } elseif (in_array($mValue, $aListStylePositions)) { | |
| 544 | - $aListProperties['list-style-position'] = $mValue; | |
| 545 | - } | |
| 546 | - } | |
| 547 | - foreach ($aListProperties as $sProperty => $mValue) { | |
| 548 | - $oNewRule = new Rule($sProperty, $oRule->getLineNo(), $oRule->getColNo()); | |
| 549 | - $oNewRule->setIsImportant($oRule->getIsImportant()); | |
| 550 | - $oNewRule->addValue($mValue); | |
| 551 | - $this->addRule($oNewRule); | |
| 552 | - } | |
| 553 | - $this->removeRule('list-style'); | |
| 554 | - } | |
| 555 | - | |
| 556 | - /** | |
| 557 | - * @param array<array-key, string> $aProperties | |
| 558 | - * @param string $sShorthand | |
| 559 | - * | |
| 560 | - * @return void | |
| 561 | - */ | |
| 562 | - public function createShorthandProperties(array $aProperties, $sShorthand) | |
| 563 | - { | |
| 564 | - $aRules = $this->getRulesAssoc(); | |
| 565 | - $aNewValues = []; | |
| 566 | - foreach ($aProperties as $sProperty) { | |
| 567 | - if (!isset($aRules[$sProperty])) { | |
| 568 | - continue; | |
| 569 | - } | |
| 570 | - $oRule = $aRules[$sProperty]; | |
| 571 | - if (!$oRule->getIsImportant()) { | |
| 572 | - $mRuleValue = $oRule->getValue(); | |
| 573 | - $aValues = []; | |
| 574 | - if (!$mRuleValue instanceof RuleValueList) { | |
| 575 | - $aValues[] = $mRuleValue; | |
| 576 | - } else { | |
| 577 | - $aValues = $mRuleValue->getListComponents(); | |
| 578 | - } | |
| 579 | - foreach ($aValues as $mValue) { | |
| 580 | - $aNewValues[] = $mValue; | |
| 581 | - } | |
| 582 | - $this->removeRule($sProperty); | |
| 583 | - } | |
| 584 | - } | |
| 585 | - if (count($aNewValues)) { | |
| 586 | - $oNewRule = new Rule($sShorthand, $oRule->getLineNo(), $oRule->getColNo()); | |
| 587 | - foreach ($aNewValues as $mValue) { | |
| 588 | - $oNewRule->addValue($mValue); | |
| 589 | - } | |
| 590 | - $this->addRule($oNewRule); | |
| 591 | - } | |
| 592 | - } | |
| 593 | - | |
| 594 | - /** | |
| 595 | - * @return void | |
| 596 | - */ | |
| 597 | - public function createBackgroundShorthand() | |
| 598 | - { | |
| 599 | - $aProperties = [ | |
| 600 | - 'background-color', | |
| 601 | - 'background-image', | |
| 602 | - 'background-repeat', | |
| 603 | - 'background-position', | |
| 604 | - 'background-attachment', | |
| 605 | - ]; | |
| 606 | - $this->createShorthandProperties($aProperties, 'background'); | |
| 607 | - } | |
| 608 | - | |
| 609 | - /** | |
| 610 | - * @return void | |
| 611 | - */ | |
| 612 | - public function createListStyleShorthand() | |
| 613 | - { | |
| 614 | - $aProperties = [ | |
| 615 | - 'list-style-type', | |
| 616 | - 'list-style-position', | |
| 617 | - 'list-style-image', | |
| 618 | - ]; | |
| 619 | - $this->createShorthandProperties($aProperties, 'list-style'); | |
| 620 | - } | |
| 621 | - | |
| 622 | - /** | |
| 623 | - * Combines `border-color`, `border-style` and `border-width` into `border`. | |
| 624 | - * | |
| 625 | - * Should be run after `create_dimensions_shorthand`! | |
| 626 | - * | |
| 627 | - * @return void | |
| 628 | - */ | |
| 629 | - public function createBorderShorthand() | |
| 630 | - { | |
| 631 | - $aProperties = [ | |
| 632 | - 'border-width', | |
| 633 | - 'border-style', | |
| 634 | - 'border-color', | |
| 635 | - ]; | |
| 636 | - $this->createShorthandProperties($aProperties, 'border'); | |
| 637 | - } | |
| 638 | - | |
| 639 | - /** | |
| 640 | - * Looks for long format CSS dimensional properties | |
| 641 | - * (margin, padding, border-color, border-style and border-width) | |
| 642 | - * and converts them into shorthand CSS properties. | |
| 643 | - * | |
| 644 | - * @return void | |
| 645 | - */ | |
| 646 | - public function createDimensionsShorthand() | |
| 647 | - { | |
| 648 | - $aPositions = ['top', 'right', 'bottom', 'left']; | |
| 649 | - $aExpansions = [ | |
| 650 | - 'margin' => 'margin-%s', | |
| 651 | - 'padding' => 'padding-%s', | |
| 652 | - 'border-color' => 'border-%s-color', | |
| 653 | - 'border-style' => 'border-%s-style', | |
| 654 | - 'border-width' => 'border-%s-width', | |
| 655 | - ]; | |
| 656 | - $aRules = $this->getRulesAssoc(); | |
| 657 | - foreach ($aExpansions as $sProperty => $sExpanded) { | |
| 658 | - $aFoldable = []; | |
| 659 | - foreach ($aRules as $sRuleName => $oRule) { | |
| 660 | - foreach ($aPositions as $sPosition) { | |
| 661 | - if ($sRuleName == sprintf($sExpanded, $sPosition)) { | |
| 662 | - $aFoldable[$sRuleName] = $oRule; | |
| 663 | - } | |
| 664 | - } | |
| 665 | - } | |
| 666 | - // All four dimensions must be present | |
| 667 | - if (count($aFoldable) == 4) { | |
| 668 | - $aValues = []; | |
| 669 | - foreach ($aPositions as $sPosition) { | |
| 670 | - $oRule = $aRules[sprintf($sExpanded, $sPosition)]; | |
| 671 | - $mRuleValue = $oRule->getValue(); | |
| 672 | - $aRuleValues = []; | |
| 673 | - if (!$mRuleValue instanceof RuleValueList) { | |
| 674 | - $aRuleValues[] = $mRuleValue; | |
| 675 | - } else { | |
| 676 | - $aRuleValues = $mRuleValue->getListComponents(); | |
| 677 | - } | |
| 678 | - $aValues[$sPosition] = $aRuleValues; | |
| 679 | - } | |
| 680 | - $oNewRule = new Rule($sProperty, $oRule->getLineNo(), $oRule->getColNo()); | |
| 681 | - if ((string)$aValues['left'][0] == (string)$aValues['right'][0]) { | |
| 682 | - if ((string)$aValues['top'][0] == (string)$aValues['bottom'][0]) { | |
| 683 | - if ((string)$aValues['top'][0] == (string)$aValues['left'][0]) { | |
| 684 | - // All 4 sides are equal | |
| 685 | - $oNewRule->addValue($aValues['top']); | |
| 686 | - } else { | |
| 687 | - // Top and bottom are equal, left and right are equal | |
| 688 | - $oNewRule->addValue($aValues['top']); | |
| 689 | - $oNewRule->addValue($aValues['left']); | |
| 690 | - } | |
| 691 | - } else { | |
| 692 | - // Only left and right are equal | |
| 693 | - $oNewRule->addValue($aValues['top']); | |
| 694 | - $oNewRule->addValue($aValues['left']); | |
| 695 | - $oNewRule->addValue($aValues['bottom']); | |
| 696 | - } | |
| 697 | - } else { | |
| 698 | - // No sides are equal | |
| 699 | - $oNewRule->addValue($aValues['top']); | |
| 700 | - $oNewRule->addValue($aValues['left']); | |
| 701 | - $oNewRule->addValue($aValues['bottom']); | |
| 702 | - $oNewRule->addValue($aValues['right']); | |
| 703 | - } | |
| 704 | - $this->addRule($oNewRule); | |
| 705 | - foreach ($aPositions as $sPosition) { | |
| 706 | - $this->removeRule(sprintf($sExpanded, $sPosition)); | |
| 707 | - } | |
| 708 | - } | |
| 709 | - } | |
| 710 | - } | |
| 711 | - | |
| 712 | - /** | |
| 713 | - * Looks for long format CSS font properties (e.g. `font-weight`) and | |
| 714 | - * tries to convert them into a shorthand CSS `font` property. | |
| 715 | - * | |
| 716 | - * At least `font-size` AND `font-family` must be present in order to create a shorthand declaration. | |
| 717 | - * | |
| 718 | - * @return void | |
| 719 | - */ | |
| 720 | - public function createFontShorthand() | |
| 721 | - { | |
| 722 | - $aFontProperties = [ | |
| 723 | - 'font-style', | |
| 724 | - 'font-variant', | |
| 725 | - 'font-weight', | |
| 726 | - 'font-size', | |
| 727 | - 'line-height', | |
| 728 | - 'font-family', | |
| 729 | - ]; | |
| 730 | - $aRules = $this->getRulesAssoc(); | |
| 731 | - if (!isset($aRules['font-size']) || !isset($aRules['font-family'])) { | |
| 732 | - return; | |
| 733 | - } | |
| 734 | - $oOldRule = isset($aRules['font-size']) ? $aRules['font-size'] : $aRules['font-family']; | |
| 735 | - $oNewRule = new Rule('font', $oOldRule->getLineNo(), $oOldRule->getColNo()); | |
| 736 | - unset($oOldRule); | |
| 737 | - foreach (['font-style', 'font-variant', 'font-weight'] as $sProperty) { | |
| 738 | - if (isset($aRules[$sProperty])) { | |
| 739 | - $oRule = $aRules[$sProperty]; | |
| 740 | - $mRuleValue = $oRule->getValue(); | |
| 741 | - $aValues = []; | |
| 742 | - if (!$mRuleValue instanceof RuleValueList) { | |
| 743 | - $aValues[] = $mRuleValue; | |
| 744 | - } else { | |
| 745 | - $aValues = $mRuleValue->getListComponents(); | |
| 746 | - } | |
| 747 | - if ($aValues[0] !== 'normal') { | |
| 748 | - $oNewRule->addValue($aValues[0]); | |
| 749 | - } | |
| 750 | - } | |
| 751 | - } | |
| 752 | - // Get the font-size value | |
| 753 | - $oRule = $aRules['font-size']; | |
| 754 | - $mRuleValue = $oRule->getValue(); | |
| 755 | - $aFSValues = []; | |
| 756 | - if (!$mRuleValue instanceof RuleValueList) { | |
| 757 | - $aFSValues[] = $mRuleValue; | |
| 758 | - } else { | |
| 759 | - $aFSValues = $mRuleValue->getListComponents(); | |
| 760 | - } | |
| 761 | - // But wait to know if we have line-height to add it | |
| 762 | - if (isset($aRules['line-height'])) { | |
| 763 | - $oRule = $aRules['line-height']; | |
| 764 | - $mRuleValue = $oRule->getValue(); | |
| 765 | - $aLHValues = []; | |
| 766 | - if (!$mRuleValue instanceof RuleValueList) { | |
| 767 | - $aLHValues[] = $mRuleValue; | |
| 768 | - } else { | |
| 769 | - $aLHValues = $mRuleValue->getListComponents(); | |
| 770 | - } | |
| 771 | - if ($aLHValues[0] !== 'normal') { | |
| 772 | - $val = new RuleValueList('/', $this->iLineNo); | |
| 773 | - $val->addListComponent($aFSValues[0]); | |
| 774 | - $val->addListComponent($aLHValues[0]); | |
| 775 | - $oNewRule->addValue($val); | |
| 776 | - } | |
| 777 | - } else { | |
| 778 | - $oNewRule->addValue($aFSValues[0]); | |
| 779 | - } | |
| 780 | - $oRule = $aRules['font-family']; | |
| 781 | - $mRuleValue = $oRule->getValue(); | |
| 782 | - $aFFValues = []; | |
| 783 | - if (!$mRuleValue instanceof RuleValueList) { | |
| 784 | - $aFFValues[] = $mRuleValue; | |
| 785 | - } else { | |
| 786 | - $aFFValues = $mRuleValue->getListComponents(); | |
| 787 | - } | |
| 788 | - $oFFValue = new RuleValueList(',', $this->iLineNo); | |
| 789 | - $oFFValue->setListComponents($aFFValues); | |
| 790 | - $oNewRule->addValue($oFFValue); | |
| 791 | - | |
| 792 | - $this->addRule($oNewRule); | |
| 793 | - foreach ($aFontProperties as $sProperty) { | |
| 794 | - $this->removeRule($sProperty); | |
| 795 | - } | |
| 796 | - } | |
| 797 | - | |
| 798 | - /** | |
| 799 | - * @return string | |
| 800 | - * | |
| 801 | - * @throws OutputException | |
| 802 | - */ | |
| 803 | - public function __toString() | |
| 804 | - { | |
| 805 | - return $this->render(new OutputFormat()); | |
| 806 | - } | |
| 807 | - | |
| 808 | - /** | |
| 809 | - * @return string | |
| 810 | - * | |
| 811 | - * @throws OutputException | |
| 812 | - */ | |
| 813 | - public function render(OutputFormat $oOutputFormat) | |
| 814 | - { | |
| 815 | - if (count($this->aSelectors) === 0) { | |
| 816 | - // If all the selectors have been removed, this declaration block becomes invalid | |
| 817 | - throw new OutputException("Attempt to print declaration block with missing selector", $this->iLineNo); | |
| 818 | - } | |
| 819 | - $sResult = $oOutputFormat->sBeforeDeclarationBlock; | |
| 820 | - $sResult .= $oOutputFormat->implode( | |
| 821 | - $oOutputFormat->spaceBeforeSelectorSeparator() . ',' . $oOutputFormat->spaceAfterSelectorSeparator(), | |
| 822 | - $this->aSelectors | |
| 823 | - ); | |
| 824 | - $sResult .= $oOutputFormat->sAfterDeclarationBlockSelectors; | |
| 825 | - $sResult .= $oOutputFormat->spaceBeforeOpeningBrace() . '{'; | |
| 826 | - $sResult .= parent::render($oOutputFormat); | |
| 827 | - $sResult .= '}'; | |
| 828 | - $sResult .= $oOutputFormat->sAfterDeclarationBlock; | |
| 829 | - return $sResult; | |
| 830 | - } | |
| 831 | -} | |