Sha256: e7f3d53cecb21f5464c917291dc1d20e8d8ec9a463641e5e4c59ff39a0e4d475
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Size: 1.54 KB
Versions: 9
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Stored size: 1.54 KB
Contents
=begin
Copyright 2011 Inside Systems, 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.
=end
module CassandraCQL
module Error
class CastException < Exception
attr_reader :bytes
def initialize(message = nil, bytes = nil)
super(message)
@bytes = bytes
end
end
end
module Types
class AbstractType
def self.cast(value)
value
end
private
def self.bytes_to_int(bytes)
int = 0
values = bytes.unpack('C*')
values.each {|v| int = int << 8; int += v; }
if bytes[0].ord & 128 != 0
int = int - (1 << bytes.length * 8)
end
int
rescue
raise Error::CastException.new("Unable to convert bytes to int", bytes)
end
def self.bytes_to_long(bytes)
ints = bytes.unpack("NN")
val = (ints[0] << 32) + ints[1]
if val & 2**63 == 2**63
val - 2**64
else
val
end
rescue
raise Error::CastException.new("Unable to convert bytes to long", bytes)
end
end
end
end
Version data entries
9 entries across 9 versions & 1 rubygems