class ReVIEW::YAMLLoader

Public Class Methods

new() click to toggle source
# File lib/review/yamlloader.rb, line 5
def initialize
end

Public Instance Methods

load_file(yamlfile) click to toggle source

load YAML files

`inherit: [3.yml, 6.yml]` in 7.yml; `inherit: [1.yml, 2.yml]` in 3.yml; `inherit: [4.yml, 5.yml]` in 6.yml

=> 7.yml > 6.yml > 5.yml > 4.yml > 3.yml > 2.yml > 1.yml
# File lib/review/yamlloader.rb, line 13
def load_file(yamlfile)
  file_queue = [File.expand_path(yamlfile)]
  loaded_files = {}
  yaml = {}

  while file_queue.present?
    current_file = file_queue.shift
    current_yaml = YAML.load_file(current_file)
    if current_yaml.instance_of?(FalseClass)
      raise "#{File.basename(current_file)} is malformed."
    end

    yaml = current_yaml.deep_merge(yaml)

    if yaml.key?('inherit')
      inherit_files = parse_inherit(yaml, yamlfile, loaded_files)
      file_queue = inherit_files + file_queue
    end
  end

  yaml
end
parse_inherit(yaml, yamlfile, loaded_files) click to toggle source
# File lib/review/yamlloader.rb, line 36
def parse_inherit(yaml, yamlfile, loaded_files)
  files = []

  yaml['inherit'].reverse_each do |item|
    inherit_file = File.expand_path(item, File.dirname(yamlfile))

    # Check loop
    if loaded_files[inherit_file]
      raise "Found circular YAML inheritance '#{inherit_file}' in #{yamlfile}."
    end

    loaded_files[inherit_file] = true
    files << inherit_file
  end

  yaml.delete('inherit')

  files
end