Sha256: 2badc1336c507e0aea9b30dd85bd7c31cb7470009eaa856a343e9b2546e5feb6
Contents?: true
Size: 1.98 KB
Versions: 18
Compression:
Stored size: 1.98 KB
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
# Injects behaviour for encoding and decoding floating point values
# to and from # raw bytes as specified by the BSON spec.
#
# @see http://bsonspec.org/#/specification
#
# @since 2.0.0
module Float
# A floating point is type 0x01 in the BSON spec.
#
# @since 2.0.0
BSON_TYPE = 1.chr.force_encoding(BINARY).freeze
# The pack directive is for 8 byte floating points.
#
# @since 2.0.0
PACK = "E".freeze
# Get the floating point as encoded BSON.
#
# @example Get the floating point as encoded BSON.
# 1.221311.to_bson
#
# @return [ String ] The encoded string.
#
# @see http://bsonspec.org/#/specification
#
# @since 2.0.0
def to_bson(buffer = ByteBuffer.new)
buffer.put_double(self)
end
module ClassMethods
# Deserialize an instance of a Float from a BSON double.
#
# @param [ ByteBuffer ] buffer The byte buffer.
#
# @return [ Float ] The decoded Float.
#
# @see http://bsonspec.org/#/specification
#
# @since 2.0.0
def from_bson(buffer)
buffer.get_double
end
end
# Register this type when the module is loaded.
#
# @since 2.0.0
Registry.register(BSON_TYPE, ::Float)
end
# Enrich the core Float class with this module.
#
# @since 2.0.0
::Float.send(:include, Float)
::Float.send(:extend, Float::ClassMethods)
end
Version data entries
18 entries across 17 versions & 2 rubygems