protected function accessValue(array $parts, InspectedValue $inspection, $inspect = false)
{
for ($max = count($parts) - 1, $i = 0; $i <= $max; $i++) {
// Method call (with arguments):
if (is_array($parts[$i])) {
if (!is_object($inspection->value)) {
if ($inspection->useDefaultValue) {
$inspection->value = $inspection->defaultValue;
return $inspection;
}
if ($this->accessPolicy == self::ACCESS_POLICY_THROW_EXCEPTION) {
throw new ExpressionValueAccessException(sprintf('Cannot call method "%s" on non-object within path "%s"', $parts[$i][0], ExpressionContext::flattenPath($parts)));
}
$inspection->value = NULL;
return $inspection;
}
$methodName = $parts[$i][0];
if (!method_exists($inspection->value, $methodName)) {
if ($inspection->useDefaultValue) {
$inspection->value = $inspection->defaultValue;
return $inspection;
}
if ($this->accessPolicy == self::ACCESS_POLICY_THROW_EXCEPTION) {
throw new ExpressionValueAccessException(sprintf('Method "%s" is not defined for object of type %s within path "%s"', $methodName, get_class($inspection->value), ExpressionContext::flattenPath($parts)));
}
$inspection->value = NULL;
return $inspection;
}
if (!is_callable([$inspection->value, $methodName])) {
if ($inspection->useDefaultValue) {
$inspection->value = $inspection->defaultValue;
return $inspection;
}
if ($this->accessPolicy == self::ACCESS_POLICY_THROW_EXCEPTION) {
throw new ExpressionValueAccessException(sprintf('Cannot call invisible method "%s" on object of type %s within path "%s"', $methodName, get_class($inspection->value), ExpressionContext::flattenPath($parts)));
}
$inspection->value = NULL;
return $inspection;
}
if ($inspect && $i === $max) {
$inspection->container = $inspection->value;
$inspection->inspect = true;
$inspection->name = $methodName;
$inspection->resolved = true;
$inspection->method = new \ReflectionMethod(get_class($inspection->value), $methodName);
}
$inspection->value = $inspection->value->{$methodName}(...$parts[$i][1]);
if ($i !== $max) {
continue;
}
return $inspection;
}
// Specialized handling of "this".
if ($parts[$i] === 'this') {
$inspection->value = $this;
if ($i !== $max) {
continue;
}
return $inspection;
}
// Standard property access using resolvers.
$inspection->container = $inspection->value;
$inspection->name = $parts[$i];
$inspection->inspect = $inspect && $i === $max;
// PHP array
if (is_array($inspection->value)) {
if (array_key_exists($parts[$i], $inspection->value)) {
$inspection->value = $inspection->value[$parts[$i]];
if ($i !== $max) {
continue;
}
$inspection->resolved = true;
return $inspection;
}
}
// Specialized access via interface.
if ($inspection->value instanceof ExpressionAccessInterface) {
if ($inspection->value->resolveExpressionValue($inspection)) {
if ($i !== $max) {
continue;
}
$inspection->resolved = true;
return $inspection;
}
}
// ArrayAccess:
if ($inspection->value instanceof \ArrayAccess) {
if ($inspection->value->offsetExists($parts[$i])) {
$inspection->value = $inspection->value->offsetGet($parts[$i]);
if ($i !== $max) {
continue;
}
$inspection->resolved = true;
return $inspection;
}
}
// Access via fields and properties.
if (is_object($inspection->value)) {
if (array_key_exists($parts[$i], (array) $inspection->value)) {
$inspection->field = new \ReflectionProperty(get_class($inspection->value), $parts[$i]);
$inspection->value = $inspection->value->{$parts[$i]};
if ($i !== $max) {
continue;
}
$inspection->resolved = true;
return $inspection;
}
if (method_exists($inspection->value, 'get' . $parts[$i])) {
$inspection->method = new \ReflectionMethod(get_class($inspection->value), 'get' . $parts[$i]);
$inspection->value = $inspection->value->{'get' . $parts[$i]}();
if ($i !== $max) {
continue;
}
$inspection->resolved = true;
return $inspection;
}
if (method_exists($inspection->value, 'is' . $parts[$i])) {
$inspection->method = new \ReflectionMethod(get_class($inspection->value), 'is' . $parts[$i]);
$inspection->value = $inspection->value->{'is' . $parts[$i]}();
if ($i !== $max) {
continue;
}
$inspection->resolved = true;
return $inspection;
}
if (method_exists($inspection->value, '__get')) {
$inspection->value = $inspection->value->{$parts[$i]};
if ($i !== $max) {
continue;
}
$inspection->resolved = true;
return $inspection;
}
}
if ($inspection->useDefaultValue) {
$inspection->value = $inspection->defaultValue;
return $inspection;
}
if ($this->accessPolicy == self::ACCESS_POLICY_RETURN_NULL) {
$inspection->value = NULL;
return $inspection;
}
$type = is_object($inspection->value) ? get_class($inspection->value) : gettype($inspection->value);
throw new ExpressionValueAccessException(sprintf('Unable to access property "%s" of %s within path "%s"', $parts[$i], $type, ExpressionContext::flattenPath($parts)));
}
throw new ExpressionValueAccessException('Cannot access property without a name');
}
/**
* {@inheritdoc}
*/
public function createContext($data = NULL) : ExpressionContextInterface
{
$context = new ExpressionContext($this, $data);
$context->setAccessPolicy($this->defaultAccessPolicy);
return $context;
}
