Sha256: c4909d5489148acd88726568f692e9a5a6572affedda4de90510b434460c1611
Contents?: true
Size: 1.13 KB
Versions: 9
Compression:
Stored size: 1.13 KB
Contents
require 'yaml'
module ReVIEW
class YAMLLoader
def initialize
end
# 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
#
def load_file(yamlfile)
file_queue = [File.expand_path(yamlfile)]
loaded_files = {}
yaml = {}
loop do
# Check exit condition
return yaml if file_queue.empty?
current_file = file_queue.shift
current_yaml = YAML.load_file(current_file)
yaml = current_yaml.deep_merge(yaml)
next unless yaml.key?('inherit')
buf = []
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
buf << inherit_file
end
yaml.delete('inherit')
file_queue = buf + file_queue
end
end
end
end
Version data entries
9 entries across 9 versions & 1 rubygems