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Contents
module I18n::Tasks::DataTraversal
# translation of the key found in the passed hash or nil
# @return [String,nil]
def t(hash = data[base_locale], key)
if hash.is_a?(String)
# has is a locale
raise ArgumentError.new("invalid locale: #{hash}") if hash =~ /[^A-z\d-]/
hash = data[hash]
end
key.split('.').inject(hash) { |r, seg| r[seg] if r }
end
# traverse => map if yield(k, v)
def traverse_map_if(hash)
list = []
traverse hash do |k, v|
mapped = yield(k, v)
list << mapped if mapped
end
list
end
# traverse hash, yielding with full key and value
# @param hash [Hash{String => String,Hash}] translation data to traverse
# @yield [full_key, value] yields full key and value for every translation in #hash
# @return [nil]
def traverse(path = '', hash)
q = [[path, hash]]
until q.empty?
path, value = q.pop
if value.is_a?(Hash)
value.each { |k, v| q << ["#{path}.#{k}", v] }
else
yield path[1..-1], value
end
end
end
def list_to_tree(list)
list = list.sort
tree = {}
list.each do |key, value|
key_segments = key.to_s.split('.')
node = key_segments[0..-2].inject(tree) do |r, segment|
r[segment] ||= {}
end
node[key_segments.last] = value
end
tree
end
end
Version data entries
4 entries across 4 versions & 1 rubygems