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Versions: 19
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Stored size: 1.21 KB
Contents
module Dpl
module ConfigFile
def self.included(base)
base.extend(ClassMethods)
end
# should this sit in Cl?
module ClassMethods
attr_reader :config_files
def config(*paths)
if paths.any?
@config_files = paths
elsif config_files
paths = config_files.dup
opts = paths.last.is_a?(Hash) ? paths.pop : {}
conf = ConfigFiles.new(paths, opts).config
known = self.opts.map(&:name).map(&:to_sym)
conf.select { |key, _| known.include?(key) }
else
{}
end
end
end
class ConfigFiles < Struct.new(:paths, :opts)
def config
paths.map { |path| parse(path) }.inject(&:merge) || {}
end
def parse(path)
str = File.exists?(path) ? File.read(path) : ''
opts = str.lines.select { |line| line.include?('=') }.map(&:strip)
opts = opts.map { |pair| pair.split('=', 2) }.to_h
opts.map { |key, value| [strip_prefix(key).to_sym, value] }.to_h
end
def strip_prefix(str)
opts[:prefix] ? str.sub(/^#{opts[:prefix]}[\-_]?/, '') : str
end
end
def opts
@opts ||= self.class.config.merge(super)
end
end
end
Version data entries
19 entries across 19 versions & 1 rubygems