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Direktori : /home2/selectio/www/tnpsctestbatch.com/lib/php-css-parser/lib/Sabberworm/CSS/Value/ |
Current File : /home2/selectio/www/tnpsctestbatch.com/lib/php-css-parser/lib/Sabberworm/CSS/Value/Size.php |
<?php namespace Sabberworm\CSS\Value; use Sabberworm\CSS\Parsing\ParserState; class Size extends PrimitiveValue { const ABSOLUTE_SIZE_UNITS = 'px/cm/mm/mozmm/in/pt/pc/vh/vw/vm/vmin/vmax/rem'; //vh/vw/vm(ax)/vmin/rem are absolute insofar as they don’t scale to the immediate parent (only the viewport) const RELATIVE_SIZE_UNITS = '%/em/ex/ch/fr'; const NON_SIZE_UNITS = 'deg/grad/rad/s/ms/turns/Hz/kHz'; private static $SIZE_UNITS = null; private $fSize; private $sUnit; private $bIsColorComponent; public function __construct($fSize, $sUnit = null, $bIsColorComponent = false, $iLineNo = 0) { parent::__construct($iLineNo); $this->fSize = floatval($fSize); $this->sUnit = $sUnit; $this->bIsColorComponent = $bIsColorComponent; } public static function parse(ParserState $oParserState, $bIsColorComponent = false) { $sSize = ''; if ($oParserState->comes('-')) { $sSize .= $oParserState->consume('-'); } while (is_numeric($oParserState->peek()) || $oParserState->comes('.')) { if ($oParserState->comes('.')) { $sSize .= $oParserState->consume('.'); } else { $sSize .= $oParserState->consume(1); } } $sUnit = null; $aSizeUnits = self::getSizeUnits(); foreach($aSizeUnits as $iLength => &$aValues) { $sKey = strtolower($oParserState->peek($iLength)); if(array_key_exists($sKey, $aValues)) { if (($sUnit = $aValues[$sKey]) !== null) { $oParserState->consume($iLength); break; } } } return new Size(floatval($sSize), $sUnit, $bIsColorComponent, $oParserState->currentLine()); } private static function getSizeUnits() { if(self::$SIZE_UNITS === null) { self::$SIZE_UNITS = array(); foreach (explode('/', Size::ABSOLUTE_SIZE_UNITS.'/'.Size::RELATIVE_SIZE_UNITS.'/'.Size::NON_SIZE_UNITS) as $val) { $iSize = strlen($val); if(!isset(self::$SIZE_UNITS[$iSize])) { self::$SIZE_UNITS[$iSize] = array(); } self::$SIZE_UNITS[$iSize][strtolower($val)] = $val; } // FIXME: Should we not order the longest units first? ksort(self::$SIZE_UNITS, SORT_NUMERIC); } return self::$SIZE_UNITS; } public function setUnit($sUnit) { $this->sUnit = $sUnit; } public function getUnit() { return $this->sUnit; } public function setSize($fSize) { $this->fSize = floatval($fSize); } public function getSize() { return $this->fSize; } public function isColorComponent() { return $this->bIsColorComponent; } /** * Returns whether the number stored in this Size really represents a size (as in a length of something on screen). * @return false if the unit an angle, a duration, a frequency or the number is a component in a Color object. */ public function isSize() { if (in_array($this->sUnit, explode('/', self::NON_SIZE_UNITS))) { return false; } return !$this->isColorComponent(); } public function isRelative() { if (in_array($this->sUnit, explode('/', self::RELATIVE_SIZE_UNITS))) { return true; } if ($this->sUnit === null && $this->fSize != 0) { return true; } return false; } public function __toString() { return $this->render(new \Sabberworm\CSS\OutputFormat()); } public function render(\Sabberworm\CSS\OutputFormat $oOutputFormat) { $l = localeconv(); $sPoint = preg_quote($l['decimal_point'], '/'); return preg_replace(array("/$sPoint/", "/^(-?)0\./"), array('.', '$1.'), $this->fSize) . ($this->sUnit === null ? '' : $this->sUnit); } }