validate

Documentation

Overview

Package validate provides validation for LValue types. Validators register via init() for plugin-based extensibility.

Index

• Variables
• func GetRegex(pattern string) *regexp.Regexp
• func Register(name string, fn Func)
• type Error
  • func (e *Error) Error() string
  • func (e *Error) String() string
• type Func
• type Registry
  • func New() *Registry
  • func (r *Registry) CheckAnnotations(val any, annotations map[string]any, path string, errors *[]*Error)
  • func (r *Registry) Get(name string) Func
  • func (r *Registry) RegisterValidator(name string, fn Func)

Variables

var Default = New()

Default is the global registry with built-in validators.

Functions

func GetRegex

func GetRegex(pattern string) *regexp.Regexp

GetRegex returns cached compiled regex. Returns nil for invalid patterns.

func Register

func Register(name string, fn Func)

Register adds a validator to the default context.

Types

type Error

type Error struct {
	Field      string
	Message    string
	Got        any
	Expected   any
	Constraint string
}

Error represents a validation failure.

func (*Error) Error

func (e *Error) Error() string

func (*Error) String

func (e *Error) String() string

type Func

type Func func(val any, arg any) *Error

Func validates a value against an annotation argument. Val is always an LValue from the lua package.

type Registry

type Registry struct {
	// contains filtered or unexported fields
}

Registry holds validators.

func New

func New() *Registry

New creates empty registry.

func (*Registry) CheckAnnotations

func (r *Registry) CheckAnnotations(val any, annotations map[string]any, path string, errors *[]*Error)

CheckAnnotations runs validators for annotations.

func (*Registry) Get

func (r *Registry) Get(name string) Func

Get returns a validator by name.

func (*Registry) RegisterValidator

func (r *Registry) RegisterValidator(name string, fn Func)

RegisterValidator adds a validator to this registry.