diff options
Diffstat (limited to 'activesupport/lib/active_support')
-rw-r--r-- | activesupport/lib/active_support/core_ext/hash/keys.rb | 44 | ||||
-rw-r--r-- | activesupport/lib/active_support/hash_with_indifferent_access.rb | 4 |
2 files changed, 48 insertions, 0 deletions
diff --git a/activesupport/lib/active_support/core_ext/hash/keys.rb b/activesupport/lib/active_support/core_ext/hash/keys.rb index 8b24ef3350..5eb861934d 100644 --- a/activesupport/lib/active_support/core_ext/hash/keys.rb +++ b/activesupport/lib/active_support/core_ext/hash/keys.rb @@ -64,4 +64,48 @@ class Hash raise ArgumentError.new("Unknown key: #{k}") unless valid_keys.include?(k) end end + + # Return a new hash with all keys converted to strings. + # This includes the keys from the root hash and from all + # nested hashes. + def deep_stringify_keys + result = {} + each do |key, value| + result[key.to_s] = value.is_a?(Hash) ? value.deep_stringify_keys : value + end + result + end + + # Destructively convert all keys to strings. + # This includes the keys from the root hash and from all + # nested hashes. + def deep_stringify_keys! + keys.each do |key| + val = delete(key) + self[key.to_s] = val.is_a?(Hash) ? val.deep_stringify_keys! : val + end + self + end + + # Destructively convert all keys to symbols, as long as they respond + # to +to_sym+. This includes the keys from the root hash and from all + # nested hashes. + def deep_symbolize_keys! + keys.each do |key| + val = delete(key) + self[(key.to_sym rescue key)] = val.is_a?(Hash) ? val.deep_stringify_keys! : val + end + self + end + + # Return a new hash with all keys converted to symbols, as long as + # they respond to +to_sym+. This includes the keys from the root hash + # and from all nested hashes. + def deep_symbolize_keys + result = {} + each do |key, value| + result[(key.to_sym rescue key)] = value.is_a?(Hash) ? value.deep_symbolize_keys : value + end + result + end end diff --git a/activesupport/lib/active_support/hash_with_indifferent_access.rb b/activesupport/lib/active_support/hash_with_indifferent_access.rb index 91459f3e5b..6e1c0da991 100644 --- a/activesupport/lib/active_support/hash_with_indifferent_access.rb +++ b/activesupport/lib/active_support/hash_with_indifferent_access.rb @@ -141,9 +141,13 @@ module ActiveSupport end def stringify_keys!; self end + def deep_stringify_keys!; self end def stringify_keys; dup end + def deep_stringify_keys; dup end undef :symbolize_keys! + undef :deep_symbolize_keys! def symbolize_keys; to_hash.symbolize_keys end + def deep_symbolize_keys; to_hash.deep_symbolize_keys end def to_options!; self end # Convert to a Hash with String keys. |