/
edmtype.rb
135 lines (125 loc) · 4.32 KB
/
edmtype.rb
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#-------------------------------------------------------------------------
# # Copyright (c) Microsoft and contributors. All rights reserved.
#
# The MIT License(MIT)
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files(the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and / or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions :
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#--------------------------------------------------------------------------
require 'azure/storage/table/guid'
require "time"
require "date"
module Azure::Storage
module Table
module EdmType
# Public: Get the Edm type of an object
#
# value - Object. An typed instance
#
# Returns the Edm type as a String
def self.property_type(value)
case value
when Float
"Edm.Double"
when Date, Time, DateTime
"Edm.DateTime"
when Integer
value.abs < 2**31 ? "Edm.Int32" : "Edm.Int64"
when TrueClass, FalseClass
"Edm.Boolean"
when GUID
"Edm.Guid"
when IO, File
"Edm.Binary"
when String
value.encoding.names.include?("BINARY") ? "Edm.Binary" : ""
else
value.kind_of?(IO) ? "Edm.Binary" : ""
end
end
# Public: Get the value of a property in a serialized way
#
# value - Object. An typed instance
#
# Returns the Edm type as a String
def self.serialize_value(type, value)
case type
when "Edm.Double", "Edm.Int32", "Edm.Int64", "Edm.Guid", "Edm.String", nil
value.to_s
when "Edm.Binary"
Base64.encode64(value.to_s).chomp("\n")
when "Edm.DateTime"
to_edm_time(value)
else
value.to_s
end
end
# Public: Serializes EDM value into proper value to be used in query.
#
# value - String. The value to serialize.
#
# Returns the serialized value
def self.serialize_query_value(value)
case value
when Date, Time, DateTime
"datetime'#{value.iso8601}'"
when TrueClass, FalseClass
value ? "true" : "false"
when Float, Integer
value.abs < 2**31 ? value.to_s : value.to_s + "L"
when GUID
"guid'#{value.to_s}'"
when IO, File
"X'" + value.to_s.unpack("H*").join("") + "'"
else
if value != nil && value.encoding.names.include?("BINARY")
"X'" + value.to_s.unpack("H*").join("") + "'"
else
# NULL also is treated as EdmType::STRING
value.to_s.gsub("'","''");
end
end
end
# Public: Convert a serialized value into an typed object
#
# value - String. The Edm value
# type - String. The Edm datatype
#
# Returns an typed object
def self.deserialize_value(value, type)
case type
when "Edm.DateTime"
Time.parse(value)
when "Edm.Double"
Float(value)
when "Edm.Int32", "Edm.Int64"
Integer(value)
when "Edm.Boolean"
value == true || value == 'true' ? true : false
when "Edm.Guid"
GUID.new(value.to_s)
when "Edm.Binary"
Base64.decode64(value.to_s).force_encoding("BINARY")
else
value == '' ? nil : value.to_s
end
end
def self.to_edm_time(value)
date = value.is_a?(Time) ? value : Time.parse(value)
date.utc.strftime('%Y-%m-%dT%H:%M:%S.%6N0Z')
end
end
end
end