N°8771 - Add Symfony form component to iTop core (#760)

- Add Symfony Form Component
- Add Symfony CSRF security component
- Add iTop default form template
- Add Twig debug extension to Twig Environment
- Add iTop abstract controller facility to get form builder
- Add Twig filter to make trans an alias of dict_s filter

lib/symfony/form/Console/Descriptor/JsonDescriptor.php

@@ -0,0 +1,118 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Form\Console\Descriptor;
+
+use Symfony\Component\Form\ResolvedFormTypeInterface;
+use Symfony\Component\OptionsResolver\OptionsResolver;
+
+/**
+ * @author Yonel Ceruto <yonelceruto@gmail.com>
+ *
+ * @internal
+ */
+class JsonDescriptor extends Descriptor
+{
+    protected function describeDefaults(array $options): void
+    {
+        $data['builtin_form_types'] = $options['core_types'];
+        $data['service_form_types'] = $options['service_types'];
+        if (!$options['show_deprecated']) {
+            $data['type_extensions'] = $options['extensions'];
+            $data['type_guessers'] = $options['guessers'];
+        }
+
+        $this->writeData($data, $options);
+    }
+
+    protected function describeResolvedFormType(ResolvedFormTypeInterface $resolvedFormType, array $options = []): void
+    {
+        $this->collectOptions($resolvedFormType);
+
+        if ($options['show_deprecated']) {
+            $this->filterOptionsByDeprecated($resolvedFormType);
+        }
+
+        $formOptions = [
+            'own' => $this->ownOptions,
+            'overridden' => $this->overriddenOptions,
+            'parent' => $this->parentOptions,
+            'extension' => $this->extensionOptions,
+            'required' => $this->requiredOptions,
+        ];
+        $this->sortOptions($formOptions);
+
+        $data = [
+            'class' => $resolvedFormType->getInnerType()::class,
+            'block_prefix' => $resolvedFormType->getInnerType()->getBlockPrefix(),
+            'options' => $formOptions,
+            'parent_types' => $this->parents,
+            'type_extensions' => $this->extensions,
+        ];
+
+        $this->writeData($data, $options);
+    }
+
+    protected function describeOption(OptionsResolver $optionsResolver, array $options): void
+    {
+        $definition = $this->getOptionDefinition($optionsResolver, $options['option']);
+
+        $map = [];
+        if ($definition['deprecated']) {
+            $map['deprecated'] = 'deprecated';
+            if (\is_string($definition['deprecationMessage'])) {
+                $map['deprecation_message'] = 'deprecationMessage';
+            }
+        }
+        $map += [
+            'info' => 'info',
+            'required' => 'required',
+            'default' => 'default',
+            'allowed_types' => 'allowedTypes',
+            'allowed_values' => 'allowedValues',
+        ];
+        foreach ($map as $label => $name) {
+            if (\array_key_exists($name, $definition)) {
+                $data[$label] = $definition[$name];
+
+                if ('default' === $name) {
+                    $data['is_lazy'] = isset($definition['lazy']);
+                }
+            }
+        }
+        $data['has_normalizer'] = isset($definition['normalizers']);
+
+        $this->writeData($data, $options);
+    }
+
+    private function writeData(array $data, array $options): void
+    {
+        $flags = $options['json_encoding'] ?? 0;
+
+        $this->output->write(json_encode($data, $flags | \JSON_PRETTY_PRINT)."\n");
+    }
+
+    private function sortOptions(array &$options): void
+    {
+        foreach ($options as &$opts) {
+            $sorted = false;
+            foreach ($opts as &$opt) {
+                if (\is_array($opt)) {
+                    sort($opt);
+                    $sorted = true;
+                }
+            }
+            if (!$sorted) {
+                sort($opts);
+            }
+        }
+    }
+}