nnx-framework / form-comparator

        Assert::string($prefixPath);

        Assert::notEmpty($prefixPath);

        foreach ($sourceFieldset->getIterator() as $childSourceElementOrFieldset) {

            /** @var ElementInterface $childSourceElementOrFieldset */

            Assert::isInstanceOf($childSourceElementOrFieldset, ElementInterface::class);

            $childSourceElementOrFieldsetName = $childSourceElementOrFieldset->getName();

            $pathToElement = $this->buildPathToElementOrFieldset($childSourceElementOrFieldsetName, $prefixPath);

            if ($targetFieldset->has($childSourceElementOrFieldsetName)) {

                $childTargetElementOrFieldset = $targetFieldset->get($childSourceElementOrFieldsetName);

                $this->runDiffElementStrategy($childSourceElementOrFieldset, $childTargetElementOrFieldset, $pathToElement);

            } else {

                $this->runDeleteElementStrategy($childSourceElementOrFieldset, $pathToElement);

            }

        }

    }

    /**

     */

    protected function addNewElementInDiff(FieldsetInterface $sourceFieldset, FieldsetInterface $targetFieldset, $prefixPath)

    {

        foreach ($targetFieldset->getIterator() as $childTargetElementOrFieldset) {

            /** @var ElementInterface $childTargetElementOrFieldset */

            Assert::isInstanceOf($childTargetElementOrFieldset, ElementInterface::class);

            $childTargetFieldsetName = $childTargetElementOrFieldset->getName();

            $pathToElementOrFieldset = $this->buildPathToElementOrFieldset($childTargetFieldsetName, $prefixPath);

            if ($sourceFieldset->has($childTargetFieldsetName)) {

                /** @var FieldsetInterface $childSourceFieldset */

                $childSourceFieldset = $sourceFieldset->get($childTargetFieldsetName);

                if ($this->isRunAddNewElementInDiff($childSourceFieldset, $childTargetElementOrFieldset)) {

                    /** @var FieldsetInterface $childTargetElementOrFieldset */

                    $this->addNewElementInDiff($childSourceFieldset, $childTargetElementOrFieldset, $pathToElementOrFieldset);

                }

            } else {

                $this->runInsertedElementStrategy($childTargetElementOrFieldset, $pathToElementOrFieldset);

            }

        }

    }

    /**