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Contents
# Copyright (C) 2009-2014 MongoDB Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
module BSON
# Provides constant values for each to the BSON types and mappings from raw
# bytes back to these types.
#
# @see http://bsonspec.org/#/specification
#
# @since 2.0.0
module Registry
extend self
# A Mapping of all the BSON types to their corresponding Ruby classes.
#
# @since 2.0.0
MAPPINGS = {}
# Get the class for the single byte identifier for the type in the BSON
# specification.
#
# @example Get the type for the byte.
# BSON::Registry.get("\x01")
#
# @return [ Class ] The corresponding Ruby class for the type.
#
# @see http://bsonspec.org/#/specification
#
# @since 2.0.0
def get(byte)
MAPPINGS.fetch(byte)
end
# Register the Ruby type for the corresponding single byte.
#
# @example Register the type.
# BSON::Registry.register("\x01", Float)
#
# @param [ String ] byte The single byte.
# @param [ Class ] The class the byte maps to.
#
# @return [ Class ] The class.
#
# @since 2.0.0
def register(byte, type)
MAPPINGS.store(byte, type)
define_type_reader(type)
end
private
def define_type_reader(type)
type.module_eval <<-MOD
def bson_type; BSON_TYPE; end
MOD
end
end
end
Version data entries
37 entries across 37 versions & 2 rubygems