172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
|
# File 'lib/beefcake.rb', line 172
def decode(buf, o=self.new)
if ! buf.is_a?(Buffer)
buf = Buffer.new(buf)
end
while buf.length > 0
fn, wire = buf.read_info
fld = fields[fn]
if fld.nil?
buf.skip(wire)
next
end
exp = Buffer.wire_for(fld.type)
if wire != exp
raise WrongTypeError.new(fld.name, exp, wire)
end
if fld.rule == :repeated && fld.opts[:packed]
len = buf.read_uint64
tmp = Buffer.new(buf.read(len))
o[fld.name] ||= []
while tmp.length > 0
o[fld.name] << tmp.read(fld.type)
end
elsif fld.rule == :repeated
val = buf.read(fld.type)
o[fld.name] ||= []
o[fld.name] << val
else
val = buf.read(fld.type)
o[fld.name] = val
end
end
fields.values.each do |f|
next if o[f.name] == false
o[f.name] ||= f.opts[:default]
end
o.validate!
o
end
|