Sha256: c4591c9f9dea8ba410ad71b98eb8467201bdcb8ae17d0d73ca515f66dae79435
Contents?: true
Size: 1.57 KB
Versions: 12
Compression:
Stored size: 1.57 KB
Contents
class Hash
# Converts all keys in the Hash to be String values, returning a new Hash.
# With a from_class parameter, limits conversion to only a certain class of keys.
# It defaults to nil which convert any key class.
#
# foo = { :name=>'Gavin', :wife=>:Lisa }
# foo.variablize_keys #=> { "@name"=>"Gavin", "@wife"=>:Lisa }
# foo.inspect #=> { :name =>"Gavin", :wife=>:Lisa }
#
def variablize_keys( of_class=nil )
self.dup.variablize_keys!( of_class )
end
# Synonym for Hash#keys_to_string, but modifies the receiver in place (and returns it).
# With a from_class parameter, limits conversion to only a certain class of keys.
# It defaults to nil which convert any key class.
#
# foo = { :name=>'Gavin', :wife=>:Lisa }
# foo.variablize_keys! #=> { "@name"=>"Gavin", "@wife"=>:Lisa }
# foo.inspect #=> { "@name"=>"Gavin", "@wife"=>:Lisa }
#
def variablize_keys!( of_class=nil )
raise ArgumentError, "Parameter must be a class" unless of_class.kind_of?(Class) if of_class
if of_class
self.each_key do |k|
if k.respond_to?(:to_s) and k.class == of_class
k = k.to_s
nk = k[0,1] != '@' ? k : "@#{k}"
self[nk]=self.delete(k)
end
end
else
self.each_key do |k|
if k.respond_to?(:to_s)
k = k.to_s
nk = k[0,1] != '@' ? k : "@#{k}"
self[nk]=self.delete(k)
end
end
end
self
end
end
# _____ _
# |_ _|__ ___| |_
# | |/ _ \/ __| __|
# | | __/\__ \ |_
# |_|\___||___/\__|
#
# TODO
Version data entries
12 entries across 12 versions & 1 rubygems