<?php
namespace eMacros\Runtime\Builder;
use eMacros\Runtime\GenericFunction;
use eMacros\Applicable;
use eMacros\GenericList;
use eMacros\Scope;
class ArrayBuilder implements Applicable {
/**
* Builds an array with the specified elements
* Usage: (array 1 null "Hello" (-7 56.25) ("key" "val"))
* Returns: array
* (non-PHPdoc)
* @see \eMacros\Applicable::apply()
*/
public function apply(Scope $scope, GenericList $arguments) {
$values = array();
foreach ($arguments as $arg) {
if ($arg instanceof GenericList) {
if (count($arg) < 1) {
throw new \InvalidArgumentException("ArrayBuilder: No key defined.");
}
if (count($arg) < 2) {
throw new \InvalidArgumentException("ArrayBuilder: No value defined.");
}
//obtain symbol pair
list($key, $value) = $arg;
$key = $key->evaluate($scope);
$values[$key] = $value->evaluate($scope);
}
else {
$values[] = $arg->evaluate($scope);
}
}
return $values;
}
}
?>
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