validator

package

v1.0.2 Latest Latest Go to latest Published: Apr 26, 2025 License: MIT Imports: 3 Imported by: 0

Details

Package validator provides validation utilities for MCP tool arguments and other structures.

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func Arguments(s interface{}) error

Arguments enforces `required` and `enum` struct tags for validation. Usage: if err := validator.Arguments(args); err != nil { ... }

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

Validator helps validate tool arguments using a fluent interface.

func NewValidator() *Validator

NewValidator creates a new validator.

func (v *Validator) Error() error

Error returns a combined error message if there are any validation errors.

func (v *Validator) Errors() []string

Errors returns any validation errors.

func (v *Validator) HasErrors() bool

HasErrors checks if there are any validation errors.

func (v *Validator) Max(field string, value, max int) *Validator

Max checks if a numeric field meets maximum value requirement.

func (v *Validator) MaxLength(field string, value string, max int) *Validator

MaxLength checks if a string field meets maximum length requirement.

func (v *Validator) Min(field string, value, min int) *Validator

Min checks if a numeric field meets minimum value requirement.

func (v *Validator) MinLength(field string, value string, min int) *Validator

MinLength checks if a string field meets minimum length requirement.

func (v *Validator) Required(field string, value interface{}) *Validator

Required checks if a field is present and not empty.