From e3094a8d803c0b9df33a8a506cce28a89c5fd6e8 Mon Sep 17 00:00:00 2001 From: Josh Haberman Date: Wed, 27 Jul 2016 17:31:16 -0700 Subject: Ruby: added API support for well-known types. --- ruby/lib/google/protobuf/well_known_types.rb | 206 +++++++++++++++++++++++++++ 1 file changed, 206 insertions(+) create mode 100644 ruby/lib/google/protobuf/well_known_types.rb (limited to 'ruby/lib') diff --git a/ruby/lib/google/protobuf/well_known_types.rb b/ruby/lib/google/protobuf/well_known_types.rb new file mode 100644 index 00000000..d0d15045 --- /dev/null +++ b/ruby/lib/google/protobuf/well_known_types.rb @@ -0,0 +1,206 @@ +#!/usr/bin/ruby +# Protocol Buffers - Google's data interchange format +# Copyright 2008 Google Inc. All rights reserved. +# https://developers.google.com/protocol-buffers/ +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following disclaimer +# in the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Google Inc. nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +require 'google/protobuf/any_pb' +require 'google/protobuf/duration_pb' +require 'google/protobuf/field_mask_pb' +require 'google/protobuf/struct_pb' +require 'google/protobuf/timestamp_pb' + +module Google + module Protobuf + + Any.class_eval do + def pack(msg, type_url_prefix='type.googleapis.com/') + if type_url_prefix.empty? or type_url_prefix[-1] != '/' then + self.type_url = "#{type_url_prefix}/#{msg.class.descriptor.name}" + else + self.type_url = "#{type_url_prefix}#{msg.class.descriptor.name}" + end + self.value = msg.to_proto + end + + def unpack(klass) + if self.is(klass) then + klass.decode(self.value) + else + nil + end + end + + def type_name + return self.type_url.split("/")[-1] + end + + def is(klass) + return self.type_name == klass.descriptor.name + end + end + + Timestamp.class_eval do + def to_time + Time.at(self.to_f) + end + + def from_time(time) + self.seconds = time.to_i + self.nanos = time.nsec + end + + def to_i + self.seconds + end + + def to_f + self.seconds + (self.nanos.to_f / 1_000_000_000) + end + end + + Duration.class_eval do + def to_f + self.seconds + (self.nanos.to_f / 1_000_000_000) + end + end + + Value.class_eval do + def to_ruby(recursive = false) + case self.kind + when :struct_value + if recursive + self.struct_value.to_h + else + self.struct_value + end + when :list_value + if recursive + self.list_value.to_a + else + self.list_value + end + when :null_value + nil + when :number_value + self.number_value + when :string_value + self.string_value + when :bool_value + self.bool_value + else + raise "Value not set" + end + end + + def from_ruby(value) + if value.nil? + self.null_value = 0 + elsif value.is_a?(Numeric) + self.number_value = value + elsif value.is_a?(String) + self.string_value = value + elsif value.is_a?(TrueClass) + self.bool_value = true + elsif value.is_a?(FalseClass) + self.bool_value = false + elsif value.is_a?(Struct) + self.struct_value = value + elsif value.is_a?(Hash) + self.struct_value = Struct.from_hash(value) + elsif value.is_a?(ListValue) + self.list_value = value + elsif value.is_a?(Array) + self.list_value = ListValue.from_a(value) + else + raise "Unexpected type" + end + end + end + + Struct.class_eval do + def [](key) + self.fields[key].to_ruby + end + + def []=(key, value) + self.fields[key] ||= Google::Protobuf::Value.new + self.fields[key].from_ruby(value) + end + + def to_h + ret = {} + self.fields.each { |key, val| ret[key] = val.to_ruby(true) } + ret + end + + def self.from_hash(hash) + ret = Struct.new + hash.each { |key, val| ret[key] = val } + ret + end + end + + ListValue.class_eval do + include Enumerable + + def length + self.values.length + end + + def [](index) + self.values[index].to_ruby + end + + def []=(index, value) + self.values[index].from_ruby(value) + end + + def <<(value) + wrapper = Google::Protobuf::Value.new + wrapper.from_ruby(value) + self.values << wrapper + end + + def each + self.values.each { |x| yield(x.to_ruby) } + end + + def to_a + self.values.map { |x| x.to_ruby(true) } + end + + def self.from_a(arr) + ret = ListValue.new + arr.each { |val| ret << val } + ret + end + end + + end +end -- cgit v1.2.3