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Versions: 14
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Stored size: 1.74 KB
Contents
module Distil
class Configurable
@@config_aliases={}
def self.alias_config_key(original, key_alias)
@@config_aliases[key_alias.to_s]= original.to_s
end
def key_for_alias(key_alias)
key_alias= key_alias.to_s.gsub("-", "_").gsub(" ", "_")
@@config_aliases[key_alias] || key_alias
end
class ConfigDsl
def initialize(hash)
@hash= hash
@used= Set.new
end
def with_each(key)
case when @hash.include?(key.to_sym)
value= @hash[key.to_sym]
when @hash.include?(key.to_s)
value= @hash[key.to_s]
else
return
end
value= value.split(",").map { |s| s.strip } if value.is_a?(String)
value.each { |v| yield v }
@used << key.to_s
end
def with(key)
case when @hash.include?(key.to_sym)
yield @hash[key.to_sym]
when @hash.include?(key.to_s)
yield @hash[key.to_s]
else
return
end
@used << key.to_s
end
def used?(key)
@used.include?(key.to_s)
end
end
def configure_with(hash)
new_hash= {}
hash.each { |key, value|
new_hash[key_for_alias(key)]= value
}
dsl= ConfigDsl.new(new_hash)
yield dsl if block_given?
new_hash.each { |key, value|
next if dsl.used?(key.to_s)
key= key_for_alias(key)
case
when self.respond_to?("#{key}=")
self.send "#{key}=", value
when self.respond_to?(key) && 0!=self.method(key).arity
self.send key, value
else
self.instance_variable_set("@#{key}", value)
end
}
end
end
end
Version data entries
14 entries across 14 versions & 1 rubygems