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#!/usr/bin/env ruby
module PG
class Coder
module BinaryFormatting
Params = { format: 1 }
def initialize( params={} )
super(params.merge(Params))
end
end
# Create a new coder object based on the attribute Hash.
def initialize(params={})
params.each do |key, val|
send("#{key}=", val)
end
end
def dup
self.class.new(to_h)
end
# Returns coder attributes as Hash.
def to_h
{
oid: oid,
format: format,
name: name,
}
end
def ==(v)
self.class == v.class && to_h == v.to_h
end
def marshal_dump
Marshal.dump(to_h)
end
def marshal_load(str)
initialize Marshal.load(str)
end
def inspect
str = self.to_s
oid_str = " oid=#{oid}" unless oid==0
format_str = " format=#{format}" unless format==0
name_str = " #{name.inspect}" if name
str[-1,0] = "#{name_str} #{oid_str}#{format_str}"
str
end
end
class CompositeCoder < Coder
def to_h
super.merge!({
elements_type: elements_type,
needs_quotation: needs_quotation?,
delimiter: delimiter,
})
end
def inspect
str = super
str[-1,0] = " elements_type=#{elements_type.inspect} #{needs_quotation? ? 'needs' : 'no'} quotation"
str
end
end
class CopyCoder < Coder
def to_h
super.merge!({
type_map: type_map,
delimiter: delimiter,
null_string: null_string,
})
end
end
end # module PG
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