diff --git a/components/yaml.rst b/components/yaml.rst index 5f724e0572c..2698aae8233 100644 --- a/components/yaml.rst +++ b/components/yaml.rst @@ -214,6 +214,8 @@ During the parsing of the YAML contents, all the ``_`` characters are removed from the numeric literal contents, so there is not a limit in the number of underscores you can include or the way you group contents. +.. _yaml-flags: + Advanced Usage: Flags --------------------- diff --git a/reference/constraints/Yaml.rst b/reference/constraints/Yaml.rst new file mode 100644 index 00000000000..49b65f251e8 --- /dev/null +++ b/reference/constraints/Yaml.rst @@ -0,0 +1,152 @@ +Yaml +==== + +Validates that a value has valid `YAML`_ syntax. + +.. versionadded:: 7.2 + + The ``Yaml`` constraint was introduced in Symfony 7.2. + +========== =================================================================== +Applies to :ref:`property or method ` +Class :class:`Symfony\\Component\\Validator\\Constraints\\Yaml` +Validator :class:`Symfony\\Component\\Validator\\Constraints\\YamlValidator` +========== =================================================================== + +Basic Usage +----------- + +The ``Yaml`` constraint can be applied to a property or a "getter" method: + +.. configuration-block:: + + .. code-block:: php-attributes + + // src/Entity/Report.php + namespace App\Entity; + + use Symfony\Component\Validator\Constraints as Assert; + + class Report + { + #[Assert\Yaml( + message: "Your configuration doesn't have valid YAML syntax." + )] + private string $customConfiguration; + } + + .. code-block:: yaml + + # config/validator/validation.yaml + App\Entity\Report: + properties: + customConfiguration: + - Yaml: + message: Your configuration doesn't have valid YAML syntax. + + .. code-block:: xml + + + + + + + + + + + + + + + .. code-block:: php + + // src/Entity/Report.php + namespace App\Entity; + + use Symfony\Component\Validator\Constraints as Assert; + use Symfony\Component\Validator\Mapping\ClassMetadata; + + class Report + { + public static function loadValidatorMetadata(ClassMetadata $metadata): void + { + $metadata->addPropertyConstraint('customConfiguration', new Assert\Yaml([ + 'message' => 'Your configuration doesn\'t have valid YAML syntax.', + ])); + } + } + +Options +------- + +``flags`` +~~~~~~~~~ + +**type**: ``integer`` **default**: ``0`` + +This option enables optional features of the YAML parser when validating contents. +Its value is a combination of one or more of the :ref:`flags defined by the Yaml component `: + +.. configuration-block:: + + .. code-block:: php-attributes + + // src/Entity/Report.php + namespace App\Entity; + + use Symfony\Component\Validator\Constraints as Assert; + use Symfony\Component\Yaml\Yaml; + + class Report + { + #[Assert\Yaml( + message: "Your configuration doesn't have valid YAML syntax.", + flags: Yaml::PARSE_CONSTANT | Yaml::PARSE_CUSTOM_TAGS | Yaml::PARSE_DATETIME, + )] + private string $customConfiguration; + } + + .. code-block:: php + + // src/Entity/Report.php + namespace App\Entity; + + use Symfony\Component\Validator\Constraints as Assert; + use Symfony\Component\Validator\Mapping\ClassMetadata; + use Symfony\Component\Yaml\Yaml; + + class Report + { + public static function loadValidatorMetadata(ClassMetadata $metadata): void + { + $metadata->addPropertyConstraint('customConfiguration', new Assert\Yaml([ + 'message' => 'Your configuration doesn\'t have valid YAML syntax.', + 'flags' => Yaml::PARSE_CONSTANT | Yaml::PARSE_CUSTOM_TAGS | Yaml::PARSE_DATETIME, + ])); + } + } + +``message`` +~~~~~~~~~~~ + +**type**: ``string`` **default**: ``This value is not valid YAML.`` + +This message shown if the underlying data is not a valid YAML value. + +You can use the following parameters in this message: + +=============== ============================================================== +Parameter Description +=============== ============================================================== +``{{ error }}`` The full error message from the YAML parser +``{{ line }}`` The line where the YAML syntax error happened +=============== ============================================================== + +.. include:: /reference/constraints/_groups-option.rst.inc + +.. include:: /reference/constraints/_payload-option.rst.inc + +.. _`YAML`: https://en.wikipedia.org/wiki/YAML