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Contents
# Protocol Buffers - Google's data interchange format
# Copyright 2023 Google Inc. All rights reserved.
#
# Use of this source code is governed by a BSD-style
# license that can be found in the LICENSE file or at
# https://developers.google.com/open-source/licenses/bsd
module Google
module Protobuf
module Internal
module PointerHelper
# Utility code to defensively walk the object graph from a file_def to
# the pool, and either retrieve the wrapper object for the given pointer
# or create one. Assumes that the caller is the wrapper class for the
# given pointer and that it implements `private_constructor`.
def descriptor_from_file_def(file_def, pointer)
raise RuntimeError.new "FileDef is nil" if file_def.nil?
raise RuntimeError.new "FileDef is null" if file_def.null?
pool_def = Google::Protobuf::FFI.file_def_pool file_def
raise RuntimeError.new "PoolDef is nil" if pool_def.nil?
raise RuntimeError.new "PoolDef is null" if pool_def.null?
pool = Google::Protobuf::OBJECT_CACHE.get(pool_def.address)
raise "Cannot find pool in ObjectCache!" if pool.nil?
descriptor = pool.descriptor_class_by_def[pointer.address]
if descriptor.nil?
pool.descriptor_class_by_def[pointer.address] = private_constructor(pointer, pool)
else
descriptor
end
end
end
end
end
end
Version data entries
391 entries across 391 versions & 2 rubygems