Module: Ryo::JSON

Extended by:
JSON
Included in:
JSON
Defined in:
lib/ryo/json.rb

Overview

The Ryo::JSON module provides a number of methods for coercing JSON data into a Ryo object. It must be required separately to Ryo (ie: require "ryo/json"), and the methods of this module are then available on the Ryo module.

Instance Method Summary collapse

Instance Method Details

#from_json(path: nil, string: nil, object: Ryo::Object) ⇒ Ryo::Object, Ryo::BasicObject

Returns a Ryo object

Examples:

Ryo.from_json(path: "/foo/bar/baz.json")
Ryo.from_json(string: "[]")

Parameters:

  • path (String) (defaults to: nil) —

    The path to a JSON file

  • string (String) (defaults to: nil) —

    A blob of JSON

  • object (Ryo) (defaults to: Ryo::Object) —

    Ryo::Object, or Ryo::BasicObject Defaults to Ryo::Object

Returns:

Raises:

  • (SystemCallError) —

    Might raise a number of Errno exceptions



32
33
34
35
36
37
38
39
40
41
42
 
# File 'lib/ryo/json.rb', line 32

def from_json(path: nil, string: nil, object: Ryo::Object)
  if path && string
    raise ArgumentError, "Provide a path or string but not both"
  elsif path
    object.from JSON.parse(File.binread(path))
  elsif string
    object.from JSON.parse(string)
  else
    raise ArgumentError, "No path or string provided"
  end
end