diff options
Diffstat (limited to 'web/server/h2o/libh2o/deps/mruby/mrbgems/mruby-struct/mrblib')
-rw-r--r-- | web/server/h2o/libh2o/deps/mruby/mrbgems/mruby-struct/mrblib/struct.rb | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/web/server/h2o/libh2o/deps/mruby/mrbgems/mruby-struct/mrblib/struct.rb b/web/server/h2o/libh2o/deps/mruby/mrbgems/mruby-struct/mrblib/struct.rb new file mode 100644 index 000000000..7cf3dd3ab --- /dev/null +++ b/web/server/h2o/libh2o/deps/mruby/mrbgems/mruby-struct/mrblib/struct.rb @@ -0,0 +1,103 @@ +## +# Struct +# +# ISO 15.2.18 + +if Object.const_defined?(:Struct) + class Struct + + ## + # Calls the given block for each element of +self+ + # and pass the respective element. + # + # ISO 15.2.18.4.4 + def each(&block) + self.class.members.each{|field| + block.call(self[field]) + } + self + end + + ## + # Calls the given block for each element of +self+ + # and pass the name and value of the respectiev + # element. + # + # ISO 15.2.18.4.5 + def each_pair(&block) + self.class.members.each{|field| + block.call(field.to_sym, self[field]) + } + self + end + + ## + # Calls the given block for each element of +self+ + # and returns an array with all elements of which + # block is not false. + # + # ISO 15.2.18.4.7 + def select(&block) + ary = [] + self.class.members.each{|field| + val = self[field] + ary.push(val) if block.call(val) + } + ary + end + + def _inspect + name = self.class.to_s + if name[0] == "#" + str = "#<struct " + else + str = "#<struct #{name} " + end + buf = [] + self.each_pair do |k,v| + buf.push [k.to_s + "=" + v._inspect] + end + str + buf.join(", ") + ">" + end + + ## + # call-seq: + # struct.to_s -> string + # struct.inspect -> string + # + # Describe the contents of this struct in a string. + # + # 15.2.18.4.10(x) + # + def inspect + begin + self._inspect + rescue SystemStackError + "#<struct #{self.class.to_s}:...>" + end + end + + ## + # 15.2.18.4.11(x) + # + alias to_s inspect + end + + ## + # call-seq: + # hsh.dig(key,...) -> object + # + # Extracts the nested value specified by the sequence of <i>key</i> + # objects by calling +dig+ at each step, returning +nil+ if any + # intermediate step is +nil+. + # + def dig(idx,*args) + n = self[idx] + if args.size > 0 + n&.dig(*args) + else + n + end + end +end + |