Class: Canon::Validators::YamlValidator

Inherits:
BaseValidator show all
Defined in:
lib/canon/validators/yaml_validator.rb

Overview

Validator for YAML input

Validates YAML input using Ruby’s YAML parser. Raises detailed ValidationError with position information when malformed YAML is detected.

Class Method Summary collapse

Methods inherited from BaseValidator

extract_location

Class Method Details

.validate!(input) ⇒ void

This method returns an undefined value.

Validate YAML input

Parameters:

  • input (String) —

    The YAML string to validate

Raises:



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# File 'lib/canon/validators/yaml_validator.rb', line 21

def self.validate!(input)
  return if input.nil?
  return if input.is_a?(Hash) || input.is_a?(Array) # Already parsed
  return if input.strip.empty?

  YAML.safe_load(input, permitted_classes: [Symbol, Date, Time])
rescue Psych::SyntaxError => e
  location = extract_location(e)

  raise Canon::ValidationError.new(
    clean_error_message(e.message),
    format: :yaml,
    line: location[:line],
    column: location[:column],
    details: extract_context(input, e),
  )
end