Added Regex constraint to Pattern rule mapping

src/Form/Rule/Mapping/PatternRule.php

@@ -0,0 +1,54 @@
+<?php
+namespace Boekkooi\Bundle\JqueryValidationBundle\Form\Rule\Mapping;
+
+use Boekkooi\Bundle\JqueryValidationBundle\Exception\LogicException;
+use Boekkooi\Bundle\JqueryValidationBundle\Form\Rule\ConstraintRule;
+use Boekkooi\Bundle\JqueryValidationBundle\Form\Rule\ConstraintMapperInterface;
+use Boekkooi\Bundle\JqueryValidationBundle\Form\RuleCollection;
+use Boekkooi\Bundle\JqueryValidationBundle\Form\RuleMessage;
+use Symfony\Component\Form\FormInterface;
+use Symfony\Component\Validator\Constraint;
+
+/**
+ * @author Warnar Boekkooi <warnar@boekkooi.net>
+ */
+class PatternRule implements ConstraintMapperInterface
+{
+    const RULE_NAME = 'pattern';
+
+    /**
+     * @var bool
+     */
+    private $enabled;
+
+    public function __construct($enabled)
+    {
+        $this->enabled = $enabled;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function resolve(Constraint $constraint, FormInterface $form, RuleCollection $collection)
+    {
+        if (!$this->supports($constraint, $form)) {
+            throw new LogicException();
+        }
+
+        /** @var \Symfony\Component\Validator\Constraints\Regex $constraint */
+        $collection->set(
+            self::RULE_NAME,
+            new ConstraintRule(
+                self::RULE_NAME,
+                $constraint->getHtmlPattern(),
+                new RuleMessage($constraint->message),
+                $constraint->groups
+            )
+        );
+    }
+
+    public function supports(Constraint $constraint, FormInterface $form)
+    {
+        return $this->enabled && get_class($constraint) === 'Symfony\Component\Validator\Constraints\Regex';
+    }
+}

src/Resources/config/form_rule_additional_mappers.yml

@@ -29,3 +29,10 @@ services:
     public: false
     tags:
      - { name: form_rule_constraint_mapper }
+
+  boekkooi.jquery_validation.mapper.pattern:
+    class: Boekkooi\Bundle\JqueryValidationBundle\Form\Rule\Mapping\PatternRule
+    arguments: [ %boekkooi.jquery_validation.additional.pattern% ]
+    public: false
+    tags:
+     - { name: form_rule_constraint_mapper }

tests/Functional/TestBundle/Form/Type/AdditionalRulesFormType.php

@@ -54,6 +54,12 @@ public function buildForm(FormBuilderInterface $builder, array $options)
                     )),
                 ),
             ))
+
+            ->add('pattern', 'text', array(
+                'constraints' => array(
+                    new Constraints\Regex('/^[a-zA-Z]+$/'),
+                ),
+            ))
         ;
     }
 

tests/Functional/TotalFormTest.php

@@ -539,15 +539,17 @@ public function it_should_additional_rules()
                         "additional_rules\x5Bipv4_ipv6\x5D": {"one_or_other": {"ipv4": true, "ipv6": true}},
                         "additional_rules\x5Biban\x5D": {"iban": true},
                         "additional_rules\x5Bluhn\x5D": {"luhn": true},
-                        "additional_rules\x5Bfile\x5D": {"accept": "text\/plain,application\/pdf"}
+                        "additional_rules\x5Bfile\x5D": {"accept": "text\/plain,application\/pdf"},
+                        "additional_rules\x5Bpattern\x5D": {"pattern": "[a-zA-Z]+"}
                     },
                     messages: {
                         "additional_rules\x5Bipv4\x5D": {"ipv4": "This\x20is\x20not\x20a\x20valid\x20IP\x20address."},
                         "additional_rules\x5Bipv6\x5D": {"ipv6": "This\x20is\x20not\x20a\x20valid\x20IP\x20address."},
                         "additional_rules\x5Bipv4_ipv6\x5D": {"one_or_other": "This\x20is\x20not\x20a\x20valid\x20IP\x20address."},
                         "additional_rules\x5Biban\x5D": {"iban": "This\x20is\x20not\x20a\x20valid\x20International\x20Bank\x20Account\x20Number\x20\x28IBAN\x29."},
                         "additional_rules\x5Bluhn\x5D": {"luhn": "Invalid\x20card\x20number."},
-                        "additional_rules\x5Bfile\x5D": {"accept": "The\x20mime\x20type\x20of\x20the\x20file\x20is\x20invalid\x20\x28\x7B\x7B\x20type\x20\x7D\x7D\x29.\x20Allowed\x20mime\x20types\x20are\x20text\x2Fplain,\x20application\x2Fpdf."}
+                        "additional_rules\x5Bfile\x5D": {"accept": "The\x20mime\x20type\x20of\x20the\x20file\x20is\x20invalid\x20\x28\x7B\x7B\x20type\x20\x7D\x7D\x29.\x20Allowed\x20mime\x20types\x20are\x20text\x2Fplain,\x20application\x2Fpdf."},
+                        "additional_rules\x5Bpattern\x5D": {"pattern": "This\x20value\x20is\x20not\x20valid."}
                     }
                 });
             })(jQuery);',