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<?php
/* Icinga Web 2 | (c) 2022 Icinga GmbH | GPLv2+ */
namespace Icinga\Less;
use Less_Tree;
use Less_Tree_Color;
use Less_Tree_Variable;
/**
* Compile a Less variable to {@link ColorProp} if it is a color
*/
class ColorPropOrVariable extends Less_Tree
{
public $type = 'Variable';
/** @var Less_Tree_Variable */
protected $variable;
/**
* @return Less_Tree_Variable
*/
public function getVariable()
{
return $this->variable;
}
/**
* @param Less_Tree_Variable $variable
*
* @return $this
*/
public function setVariable(Less_Tree_Variable $variable)
{
$this->variable = $variable;
return $this;
}
public function compile($env)
{
$v = $this->getVariable();
if ($v->name[1] === '@') {
// Evaluate variable variable as in Less_Tree_Variable:28.
$vv = new Less_Tree_Variable(substr($v->name, 1), $v->index + 1, $v->currentFileInfo);
// Overwrite the name so that the variable variable is not evaluated again.
$result = $vv->compile($env);
if ($result instanceof DeferredColorProp) {
$v->name = $result->name;
} else {
$v->name = '@' . $result->value;
}
}
$compiled = $v->compile($env);
if ($compiled instanceof ColorProp) {
// We may already have a ColorProp, which is the case with mixin calls.
return $compiled;
}
if ($compiled instanceof Less_Tree_Color) {
return ColorProp::fromColor($compiled)
->setIndex($v->index)
->setName($v->name);
}
return $compiled;
}
}
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