Sha256: 600b3fd1395f7e54b770321d54d9f8bda2d5f39efed85edbba5594d7d535b7c2
Contents?: true
Size: 1.79 KB
Versions: 12
Compression:
Stored size: 1.79 KB
Contents
module Comma
class Extractor
def initialize(instance, &block)
@instance = instance
@block = block
@results = []
end
def results
instance_eval &@block
@results
end
def id(*args)
method_missing(:id, *args)
end
end
class HeaderExtractor < Extractor
def method_missing(sym, *args, &block)
@results << sym.to_s.humanize if args.blank?
args.each do |arg|
case arg
when Hash
arg.each do |k, v|
@results << ((v.is_a? String) ? v : v.to_s.humanize)
end
when Symbol
@results << arg.to_s.humanize
when String
@results << arg
else
raise "Unknown header symbol #{arg.inspect}"
end
end
end
end
class DataExtractor < Extractor
def method_missing(sym, *args, &block)
if args.blank?
result = block ? yield(@instance.send(sym)) : @instance.send(sym)
@results << result.to_s
end
args.each do |arg|
case arg
when Hash
arg.each do |k, v|
if block
@results << (@instance.send(sym).nil? ? '' : yield(@instance.send(sym).send(k)).to_s )
else
@results << (@instance.send(sym).nil? ? '' : @instance.send(sym).send(k).to_s )
end
end
when Symbol
if block
@results << (@instance.send(sym).nil? ? '' : yield(@instance.send(sym).send(arg)).to_s)
else
@results << ( @instance.send(sym).nil? ? '' : @instance.send(sym).send(arg).to_s )
end
when String
@results << (block ? yield(@instance.send(sym)) : @instance.send(sym)).to_s
else
raise "Unknown data symbol #{arg.inspect}"
end
end
end
end
end
Version data entries
12 entries across 12 versions & 1 rubygems