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class Asetus
class ConfigStruct
def _asetus_to_hash
hash = {}
@cfg.each do |key, value|
value = value._asetus_to_hash if value.instance_of?(ConfigStruct)
key = key.to_s if @key_to_s
hash[key] = value
end
hash
end
def empty?
@cfg.empty?
end
def each(&block)
@cfg.each(&block)
end
def keys
@cfg.keys
end
def has_key?(key)
@cfg.has_key? key
end
private
def initialize(hash = nil, opts = {})
@key_to_s = opts.delete :key_to_s
@cfg = hash ? _asetus_from_hash(hash) : {}
end
def method_missing name, *args
name = name.to_s
name = args.shift if name[0..1] == '[]' # asetus.cfg['foo']
arg = args.first
if name[-1..-1] == '?' # asetus.cfg.foo.bar?
@cfg[name[0..-2]] if @cfg.has_key? name[0..-2]
elsif name[-1..-1] == '=' # asetus.cfg.foo.bar = 'quux'
_asetus_set name[0..-2], arg
else
_asetus_get name, arg # asetus.cfg.foo.bar
end
end
def _asetus_set(key, value)
@cfg[key] = value
end
def _asetus_get(key, _value)
if @cfg.has_key? key
@cfg[key]
else
@cfg[key] = ConfigStruct.new
end
end
def _asetus_from_hash(hash)
cfg = {}
hash.each do |key, value|
value = ConfigStruct.new value, key_to_s: @key_to_s if value.instance_of?(Hash)
cfg[key] = value
end
cfg
end
end
end
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