PhpSpec\Locator\PSR0\PSR0Locator::createResourceFromSpecFile PHP Method

    private function createResourceFromSpecFile($path)
    {
        $classname = $this->findSpecClassname($path);
        if (null === $classname) {
            throw new \RuntimeException(sprintf('Spec file "%s" does not contains any class definition.', $path));
        }
        // Remove spec namespace from the begining of the classname.
        $specNamespace = trim($this->getSpecNamespace(), '\\') . '\\';
        if (0 !== strpos($classname, $specNamespace)) {
            throw new \RuntimeException(sprintf('Spec class `%s` must be in the base spec namespace `%s`.', $classname, $this->getSpecNamespace()));
        }
        $classname = substr($classname, strlen($specNamespace));
        // cut "Spec" from the end
        $classname = preg_replace('/Spec$/', '', $classname);
        // Create the resource
        return new PSR0Resource(explode('\\', $classname), $this);
    }