/**
* Executes a foreach expression.
*
* The expression has the form: 'foo as bar', where foo is an array and bar the value.
*
* @param string $expression foreach expression
* @param scope $scope
*
* @throws ParsingException
* @return Scope[]
*/
public function execute($expression, Scope $scope)
{
$metaModel = new MetaModel();
$metaModel->addContainer($scope);
$subScopes = [];
$parseResult = $this->forEachParser->parse($expression);
if (is_array($parseResult['array'])) {
$functionName = $scope->getFunction($parseResult['array']['functionName']);
$array = call_user_func_array($functionName, array_map(function ($parameter) use($metaModel) {
return $metaModel->run($parameter);
}, $parseResult['array']['parameters']));
} else {
$array = $metaModel->run($parseResult['array']);
}
foreach ($array as $key => $value) {
// New sub-scope
$subScope = new Scope($scope);
$subScope->bind($parseResult['value'], $value);
if (isset($parseResult['key'])) {
$subScope->bind($parseResult['key'], $key);
}
$subScopes[] = $subScope;
}
return $subScopes;
}
public function testEscape()
{
$scope = new Scope();
$scope->bind('foo', 'l\'baré');
$twigExecutor = new TwigExecutor($scope->getFunctions());
$this->assertEquals('l\'baré', $twigExecutor->parse('{{ foo }}', $scope));
}
public function testToArray()
{
$scope = new Scope();
$scope->bind('foo', 'bar');
$array = $scope->toArray();
$this->assertEquals(['foo' => 'bar'], $array);
}
public function testWithMethodCall()
{
$scope = new Scope();
$scope->bind('foo', new FixtureClass());
$parser = new ForEachExecutor();
$subScopes = $parser->execute('foo.getStuff() as bar', $scope);
$this->assertCount(2, $subScopes);
foreach ($subScopes as $i => $subScope) {
$this->assertInstanceOf('Xport\\Parser\\Scope', $subScope);
$this->assertEquals('barValue' . $i, $subScope->get('bar'));
}
}
/**
* Bind a value to a name.
*
* @param string $name
* @param mixed $value
*/
public function bind($name, $value)
{
$this->scope->bind($name, $value);
}
