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Contents
require 'json'
require 'yaml'
module OptParseValidator
# TODO
class OptParser < OptionParser
def options_files
@options_files ||= []
end
def load_options_files
files_data = {}
options_files.each do |file|
data = parse_file(file)
files_data.merge!(data) if data
end
@opts.each do |opt|
# Annoying thing: the hash returned from parse_file is a string-full {"key"=>"value"}
# and not a ruby hash {key: value} :/ As a result, symbol.to_s has to be used
next unless files_data.key?(opt.to_sym.to_s)
@results[opt.to_sym] = opt.normalize(opt.validate(files_data[opt.to_sym.to_s]))
end
end
protected
# @param [ String ] file_path
#
# @return [ Hash ]
def parse_file(file_path)
return unless File.exist?(file_path)
file_ext = File.extname(file_path).delete('.')
method_to_call = "parse_#{file_ext}"
fail "The format #{file_ext} is not supported" unless respond_to?(method_to_call, true) # The true allows to check protected & private methods
begin
method(method_to_call).call(file_path)
rescue
raise "Parse Error, #{file_path} seems to be malformed"
end
end
# @param [ String ] file_path
#
# @return [ Hash ]
def parse_json(file_path)
JSON.parse(File.read(file_path))
end
# @param [ String ] file_path
#
# @return [ Hash ]
def parse_yml(file_path)
YAML.load_file(file_path)
end
end
end
Version data entries
10 entries across 10 versions & 1 rubygems