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Contents
require 'ndr_support/safe_file'
require 'ndr_import/csv_library'
require 'ndr_import/helpers/file/delimited'
require_relative 'registry'
module NdrImport
# This is one of a collection of file handlers that deal with individual formats of data.
# They can be instantiated directly or via the factory method Registry.tables
module File
# This class is a delimited file handler that returns a single table.
class Delimited < Base
include Helpers::File::Delimited
DELIMITED_COL_SEP = {
'csv' => nil
}
def initialize(filename, format, options = {})
super
@options['col_sep'] ||= DELIMITED_COL_SEP[format]
end
private
# Iterate through the file line by line, yielding each one in turn.
def rows
return enum_for(:rows) unless block_given?
col_sep = @options['col_sep']
liberal = @options['liberal_parsing'].presence
delimited_rows(@filename, col_sep, liberal) { |row| yield row }
end
# Cache working encodings, so that resetting the enumerator
# doesn't mean the need to recalculate this:
def determine_encodings!(*)
@encoding ||= super
end
end
Registry.register(Delimited, 'csv', 'delimited')
end
end
Version data entries
26 entries across 26 versions & 1 rubygems