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| 1 #!/usr/bin/ruby | |
| 2 # Protocol Buffers - Google's data interchange format | |
| 3 # Copyright 2008 Google Inc. All rights reserved. | |
| 4 # https://developers.google.com/protocol-buffers/ | |
| 5 # | |
| 6 # Redistribution and use in source and binary forms, with or without | |
| 7 # modification, are permitted provided that the following conditions are | |
| 8 # met: | |
| 9 # | |
| 10 # * Redistributions of source code must retain the above copyright | |
| 11 # notice, this list of conditions and the following disclaimer. | |
| 12 # * Redistributions in binary form must reproduce the above | |
| 13 # copyright notice, this list of conditions and the following disclaimer | |
| 14 # in the documentation and/or other materials provided with the | |
| 15 # distribution. | |
| 16 # * Neither the name of Google Inc. nor the names of its | |
| 17 # contributors may be used to endorse or promote products derived from | |
| 18 # this software without specific prior written permission. | |
| 19 # | |
| 20 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 21 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 22 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 23 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 24 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 25 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 26 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 27 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 28 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 29 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 30 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 31 | |
| 32 require 'google/protobuf/any_pb' | |
| 33 require 'google/protobuf/duration_pb' | |
| 34 require 'google/protobuf/field_mask_pb' | |
| 35 require 'google/protobuf/struct_pb' | |
| 36 require 'google/protobuf/timestamp_pb' | |
| 37 | |
| 38 module Google | |
| 39 module Protobuf | |
| 40 | |
| 41 Any.class_eval do | |
| 42 def pack(msg, type_url_prefix='type.googleapis.com/') | |
| 43 if type_url_prefix.empty? or type_url_prefix[-1] != '/' then | |
| 44 self.type_url = "#{type_url_prefix}/#{msg.class.descriptor.name}" | |
| 45 else | |
| 46 self.type_url = "#{type_url_prefix}#{msg.class.descriptor.name}" | |
| 47 end | |
| 48 self.value = msg.to_proto | |
| 49 end | |
| 50 | |
| 51 def unpack(klass) | |
| 52 if self.is(klass) then | |
| 53 klass.decode(self.value) | |
| 54 else | |
| 55 nil | |
| 56 end | |
| 57 end | |
| 58 | |
| 59 def type_name | |
| 60 return self.type_url.split("/")[-1] | |
| 61 end | |
| 62 | |
| 63 def is(klass) | |
| 64 return self.type_name == klass.descriptor.name | |
| 65 end | |
| 66 end | |
| 67 | |
| 68 Timestamp.class_eval do | |
| 69 def to_time | |
| 70 Time.at(self.to_f) | |
| 71 end | |
| 72 | |
| 73 def from_time(time) | |
| 74 self.seconds = time.to_i | |
| 75 self.nanos = time.nsec | |
| 76 end | |
| 77 | |
| 78 def to_i | |
| 79 self.seconds | |
| 80 end | |
| 81 | |
| 82 def to_f | |
| 83 self.seconds + (self.nanos.to_f / 1_000_000_000) | |
| 84 end | |
| 85 end | |
| 86 | |
| 87 Duration.class_eval do | |
| 88 def to_f | |
| 89 self.seconds + (self.nanos.to_f / 1_000_000_000) | |
| 90 end | |
| 91 end | |
| 92 | |
| 93 class UnexpectedStructType < Google::Protobuf::Error; end | |
| 94 | |
| 95 Value.class_eval do | |
| 96 def to_ruby(recursive = false) | |
| 97 case self.kind | |
| 98 when :struct_value | |
| 99 if recursive | |
| 100 self.struct_value.to_h | |
| 101 else | |
| 102 self.struct_value | |
| 103 end | |
| 104 when :list_value | |
| 105 if recursive | |
| 106 self.list_value.to_a | |
| 107 else | |
| 108 self.list_value | |
| 109 end | |
| 110 when :null_value | |
| 111 nil | |
| 112 when :number_value | |
| 113 self.number_value | |
| 114 when :string_value | |
| 115 self.string_value | |
| 116 when :bool_value | |
| 117 self.bool_value | |
| 118 else | |
| 119 raise UnexpectedStructType | |
| 120 end | |
| 121 end | |
| 122 | |
| 123 def from_ruby(value) | |
| 124 case value | |
| 125 when NilClass | |
| 126 self.null_value = 0 | |
| 127 when Numeric | |
| 128 self.number_value = value | |
| 129 when String | |
| 130 self.string_value = value | |
| 131 when TrueClass | |
| 132 self.bool_value = true | |
| 133 when FalseClass | |
| 134 self.bool_value = false | |
| 135 when Struct | |
| 136 self.struct_value = value | |
| 137 when Hash | |
| 138 self.struct_value = Struct.from_hash(value) | |
| 139 when ListValue | |
| 140 self.list_value = value | |
| 141 when Array | |
| 142 self.list_value = ListValue.from_a(value) | |
| 143 else | |
| 144 raise UnexpectedStructType | |
| 145 end | |
| 146 end | |
| 147 end | |
| 148 | |
| 149 Struct.class_eval do | |
| 150 def [](key) | |
| 151 self.fields[key].to_ruby | |
| 152 end | |
| 153 | |
| 154 def []=(key, value) | |
| 155 unless key.is_a?(String) | |
| 156 raise UnexpectedStructType, "Struct keys must be strings." | |
| 157 end | |
| 158 self.fields[key] ||= Google::Protobuf::Value.new | |
| 159 self.fields[key].from_ruby(value) | |
| 160 end | |
| 161 | |
| 162 def to_h | |
| 163 ret = {} | |
| 164 self.fields.each { |key, val| ret[key] = val.to_ruby(true) } | |
| 165 ret | |
| 166 end | |
| 167 | |
| 168 def self.from_hash(hash) | |
| 169 ret = Struct.new | |
| 170 hash.each { |key, val| ret[key] = val } | |
| 171 ret | |
| 172 end | |
| 173 end | |
| 174 | |
| 175 ListValue.class_eval do | |
| 176 include Enumerable | |
| 177 | |
| 178 def length | |
| 179 self.values.length | |
| 180 end | |
| 181 | |
| 182 def [](index) | |
| 183 self.values[index].to_ruby | |
| 184 end | |
| 185 | |
| 186 def []=(index, value) | |
| 187 self.values[index].from_ruby(value) | |
| 188 end | |
| 189 | |
| 190 def <<(value) | |
| 191 wrapper = Google::Protobuf::Value.new | |
| 192 wrapper.from_ruby(value) | |
| 193 self.values << wrapper | |
| 194 end | |
| 195 | |
| 196 def each | |
| 197 self.values.each { |x| yield(x.to_ruby) } | |
| 198 end | |
| 199 | |
| 200 def to_a | |
| 201 self.values.map { |x| x.to_ruby(true) } | |
| 202 end | |
| 203 | |
| 204 def self.from_a(arr) | |
| 205 ret = ListValue.new | |
| 206 arr.each { |val| ret << val } | |
| 207 ret | |
| 208 end | |
| 209 end | |
| 210 | |
| 211 end | |
| 212 end | |
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Chromium Code Reviews
Issue 2600753002:
Reverts third_party/protobuf: Update to HEAD (f52e188fe4) (Closed)
