Sha256: 7e421a3ff951cf89c2de2bbe34ae83fb036141ad2e4de7b67e3cf2154075cce2
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Size: 1.85 KB
Versions: 20
Compression:
Stored size: 1.85 KB
Contents
class Hash::DeepHashConstructor
attr_accessor :separator
def initialize(separator)
@separator = separator
end
def deep_hash(object)
if object.is_a? Array
array_deep_hash(object)
elsif object.is_a? Hash
hash_deep_hash(object)
else
object
end
end
private
def array_deep_hash(array)
array.map { |v| v.is_a?(Hash) ? deep_hash(v) : v }
end
def hash_deep_hash(hash)
{}.tap do |new_hash|
hash.each do |k, v|
base_key, child_key = split_key(k, separator)
set_deep_hash_positioned_value(new_hash, base_key, v, child_key)
end
new_hash.each do |k, v|
new_hash[k] = deep_hash(v)
end
end
end
def split_key(key, separator)
separator_rxp = (separator == '.') ? "\\#{separator}" : separator
skipper = "[^#{separator}]"
regexp = Regexp.new("^(#{skipper}*)#{separator_rxp}(.*)")
match = key.match(regexp)
match ? match[1..2] : key
end
def set_deep_hash_array_value(hash, base_key, index, value, key = nil)
key_without_index = base_key.gsub("[#{index}]", '')
hash[key_without_index] ||= []
if key.nil?
hash[key_without_index][index] = value
else
hash[key_without_index][index] ||= {}
hash[key_without_index][index][key] = value
end
end
def set_deep_hash_positioned_value(new_hash, base_key, v, child_key)
index = array_index(base_key)
if index
set_deep_hash_array_value(new_hash, base_key, index, v, child_key)
else
set_deep_hash_value(new_hash, base_key, v, child_key)
end
end
def array_index(key)
match = key.match(/\[([^)]+)\]/)
if match
match[1].to_i
end
end
def set_deep_hash_value(hash, base_key, value, key = nil)
if key.nil?
hash[base_key] = value
else
hash[base_key] ||= {}
hash[base_key][key] = value
end
end
end
Version data entries
20 entries across 20 versions & 2 rubygems