diff options
Diffstat (limited to 'lib/less.php/Tree/Dimension.php')
| -rw-r--r-- | lib/less.php/Tree/Dimension.php | 201 |
1 files changed, 0 insertions, 201 deletions
diff --git a/lib/less.php/Tree/Dimension.php b/lib/less.php/Tree/Dimension.php deleted file mode 100644 index 2bfb9d5..0000000 --- a/lib/less.php/Tree/Dimension.php +++ /dev/null @@ -1,201 +0,0 @@ -<?php - -/** - * Dimension - * - * @package Less - * @subpackage tree - */ -class Less_Tree_Dimension extends Less_Tree{ - - public $value; - public $unit; - public $type = 'Dimension'; - - public function __construct($value, $unit = null){ - $this->value = floatval($value); - - if( $unit && ($unit instanceof Less_Tree_Unit) ){ - $this->unit = $unit; - }elseif( $unit ){ - $this->unit = new Less_Tree_Unit( array($unit) ); - }else{ - $this->unit = new Less_Tree_Unit( ); - } - } - - public function accept( $visitor ){ - $this->unit = $visitor->visitObj( $this->unit ); - } - - public function compile(){ - return $this; - } - - public function toColor() { - return new Less_Tree_Color(array($this->value, $this->value, $this->value)); - } - - /** - * @see Less_Tree::genCSS - */ - public function genCSS( $output ){ - - if( Less_Parser::$options['strictUnits'] && !$this->unit->isSingular() ){ - throw new Less_Exception_Compiler("Multiple units in dimension. Correct the units or use the unit function. Bad unit: ".$this->unit->toString()); - } - - $value = Less_Functions::fround( $this->value ); - $strValue = (string)$value; - - if( $value !== 0 && $value < 0.000001 && $value > -0.000001 ){ - // would be output 1e-6 etc. - $strValue = number_format($strValue,10); - $strValue = preg_replace('/\.?0+$/','', $strValue); - } - - if( Less_Parser::$options['compress'] ){ - // Zero values doesn't need a unit - if( $value === 0 && $this->unit->isLength() ){ - $output->add( $strValue ); - return $strValue; - } - - // Float values doesn't need a leading zero - if( $value > 0 && $value < 1 && $strValue[0] === '0' ){ - $strValue = substr($strValue,1); - } - } - - $output->add( $strValue ); - $this->unit->genCSS( $output ); - } - - public function __toString(){ - return $this->toCSS(); - } - - // In an operation between two Dimensions, - // we default to the first Dimension's unit, - // so `1px + 2em` will yield `3px`. - - /** - * @param string $op - */ - public function operate( $op, $other){ - - $value = Less_Functions::operate( $op, $this->value, $other->value); - $unit = clone $this->unit; - - if( $op === '+' || $op === '-' ){ - - if( !$unit->numerator && !$unit->denominator ){ - $unit->numerator = $other->unit->numerator; - $unit->denominator = $other->unit->denominator; - }elseif( !$other->unit->numerator && !$other->unit->denominator ){ - // do nothing - }else{ - $other = $other->convertTo( $this->unit->usedUnits()); - - if( Less_Parser::$options['strictUnits'] && $other->unit->toString() !== $unit->toCSS() ){ - throw new Less_Exception_Compiler("Incompatible units. Change the units or use the unit function. Bad units: '" . $unit->toString() . "' and " . $other->unit->toString() . "'."); - } - - $value = Less_Functions::operate( $op, $this->value, $other->value); - } - }elseif( $op === '*' ){ - $unit->numerator = array_merge($unit->numerator, $other->unit->numerator); - $unit->denominator = array_merge($unit->denominator, $other->unit->denominator); - sort($unit->numerator); - sort($unit->denominator); - $unit->cancel(); - }elseif( $op === '/' ){ - $unit->numerator = array_merge($unit->numerator, $other->unit->denominator); - $unit->denominator = array_merge($unit->denominator, $other->unit->numerator); - sort($unit->numerator); - sort($unit->denominator); - $unit->cancel(); - } - return new Less_Tree_Dimension( $value, $unit); - } - - public function compare($other) { - if ($other instanceof Less_Tree_Dimension) { - - if( $this->unit->isEmpty() || $other->unit->isEmpty() ){ - $a = $this; - $b = $other; - } else { - $a = $this->unify(); - $b = $other->unify(); - if( $a->unit->compare($b->unit) !== 0 ){ - return -1; - } - } - $aValue = $a->value; - $bValue = $b->value; - - if ($bValue > $aValue) { - return -1; - } elseif ($bValue < $aValue) { - return 1; - } else { - return 0; - } - } else { - return -1; - } - } - - public function unify() { - return $this->convertTo(array('length'=> 'px', 'duration'=> 's', 'angle' => 'rad' )); - } - - public function convertTo($conversions) { - $value = $this->value; - $unit = clone $this->unit; - - if( is_string($conversions) ){ - $derivedConversions = array(); - foreach( Less_Tree_UnitConversions::$groups as $i ){ - if( isset(Less_Tree_UnitConversions::${$i}[$conversions]) ){ - $derivedConversions = array( $i => $conversions); - } - } - $conversions = $derivedConversions; - } - - - foreach($conversions as $groupName => $targetUnit){ - $group = Less_Tree_UnitConversions::${$groupName}; - - //numerator - foreach($unit->numerator as $i => $atomicUnit){ - $atomicUnit = $unit->numerator[$i]; - if( !isset($group[$atomicUnit]) ){ - continue; - } - - $value = $value * ($group[$atomicUnit] / $group[$targetUnit]); - - $unit->numerator[$i] = $targetUnit; - } - - //denominator - foreach($unit->denominator as $i => $atomicUnit){ - $atomicUnit = $unit->denominator[$i]; - if( !isset($group[$atomicUnit]) ){ - continue; - } - - $value = $value / ($group[$atomicUnit] / $group[$targetUnit]); - - $unit->denominator[$i] = $targetUnit; - } - } - - $unit->cancel(); - - return new Less_Tree_Dimension( $value, $unit); - } -} |