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require 'ndr_support/safe_file'
module NdrImport
module File
# This mixin adds table enumeration functionality to importers.
module Registry
class <<self
attr_accessor :handlers
def register(klass, *formats)
@handlers ||= {}
formats.each do |format|
@handlers[format] = klass
end
end
def unregister(*formats)
formats.each do |format|
@handlers.delete(format)
end
end
def files(filename, options = {}, &block)
return enum_for(:files, filename, options) unless block
klass_factory(filename, nil, options).files(&block)
end
def tables(filename, format = nil, options = {}, &block)
return enum_for(:tables, filename, format, options) unless block
klass_factory(filename, format, options).tables(&block)
end
private
def klass_factory(filename, format, options)
format ||= SafeFile.extname(filename).delete('.').downcase
klass = Registry.handlers[format]
if klass
klass.new(filename, format, options)
else
fail "Error: Unknown file format #{format.inspect}"
end
end
end
end
end
end
require_relative 'all'
Version data entries
13 entries across 13 versions & 1 rubygems