class JsonPaths

Constants

VERSION

Attributes

json[R]

paths[R]

Public Class Methods

new(json) click to toggle source

# File lib/json_paths.rb, line 10
def initialize(json)
  @json = json

  @paths = json_to_paths
end

Public Instance Methods

each() click to toggle source

# File lib/json_paths.rb, line 16
def each
  paths.each
end

json_to_paths() click to toggle source

# File lib/json_paths.rb, line 20
def json_to_paths
  parsed_json = JSON.parse(json)
  paths = []

  parsed_json.each_key do |key|
    paths << key_to_path(parsed_json, key)
  end

  paths.flatten.map { |path| "$." + path }
end

key_to_path(hash, key) click to toggle source

# File lib/json_paths.rb, line 31
def key_to_path(hash, key)
  paths_for_key = []
  value = hash[key]

  if value.respond_to?(:keys)
    value.each_key do |k|
      paths_for_key << key_to_path(value, k).map do |ktp|
        ktp = ktp.first unless ktp.is_a?(String)
        key + "." + ktp
      end
    end
  elsif value.respond_to?(:each_with_index)
    value.each_with_index do |v,i|
      paths_for_key << JsonPaths.new(v.to_json).paths.map do |j|
        "#{key}[#{i}].#{j.gsub('$.', '')}"
      end
    end
  else
    paths_for_key << key.to_s
  end

  paths_for_key
end