Class: JsonStructure::SchemaValidator

Inherits:
Object
  • Object
show all
Defined in:
lib/jsonstructure/schema_validator.rb

Overview

Validates JSON Structure schema documents

This class is thread-safe. Multiple threads can call validate concurrently.

Constant Summary collapse

UCUM_NUMERIC_TYPES = 
%w[number integer float double decimal int32 uint32 int64 uint64 int128 uint128].freeze
ENUM_NUMERIC_TYPES = 
%w[integer int8 int16 int32 int64 uint8 uint16 uint32 uint64 float double decimal].freeze
RELATION_CONTAINER_TYPES = 
%w[object tuple].freeze
IDENTIFIER_PATTERN = 
/\A[A-Za-z_$][A-Za-z0-9_$]*\z/
URI_SCHEME_PATTERN = 
/\A[a-zA-Z][a-zA-Z0-9+\-.]*:/
VALIDATION_KEYWORDS = 
%w[
  pattern format minLength maxLength minimum maximum exclusiveMinimum exclusiveMaximum multipleOf
  minItems maxItems uniqueItems contains minContains maxContains
  minProperties maxProperties propertyNames patternProperties dependentRequired
  minEntries maxEntries patternKeys keyNames
  contentEncoding contentMediaType has default
].freeze
UNITS_KEYWORDS = 
%w[unit currency symbols].freeze

Class Method Summary collapse

Class Method Details

.validate(schema_json) ⇒ ValidationResult

This method is thread-safe and can be called from multiple threads concurrently.

Examples:

schema = '{"type": "string", "minLength": 1}'
result = JsonStructure::SchemaValidator.validate(schema)
if result.valid?
  puts "Schema is valid!"
else
  result.errors.each { |e| puts e.message }
end

Parameters:

  • schema_json (String) —

    JSON string containing the schema

Returns:

Raises:

  • (ArgumentError) 


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# File 'lib/jsonstructure/schema_validator.rb', line 40

def validate(schema_json)
  raise ArgumentError, 'schema_json must be a String' unless schema_json.is_a?(String)

  JsonStructure.validation_started
  begin
    result_ptr = ::FFI::MemoryPointer.new(FFI::JSResult.size)
    FFI.js_result_init(result_ptr)

    FFI.js_validate_schema(schema_json, result_ptr)
    base_result = ValidationResult.from_ffi(result_ptr)
    augment_extension_validation(base_result, schema_json)
  ensure
    JsonStructure.validation_completed
  end
end

.validate!(schema_json) ⇒ ValidationResult

Validate a schema string, raising an exception on failure

Examples:

begin
  JsonStructure::SchemaValidator.validate!(schema)
  puts "Schema is valid!"
rescue JsonStructure::SchemaValidationError => e
  puts "Validation failed: #{e.message}"
end

Parameters:

  • schema_json (String) —

    JSON string containing the schema

Returns:

Raises:



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# File 'lib/jsonstructure/schema_validator.rb', line 69

def validate!(schema_json)
  result = validate(schema_json)
  raise SchemaValidationError.new(result) unless result.valid?

  result
end