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Contents
module ETL #:nodoc:
module Parser #:nodoc:
# Base parser class. Implementation classes must extend this class and implement
# the each method. The each method should return each row of the source data as
# a Hash.
class Parser
include Enumerable
class << self
# Convert the name (string or symbol) to a parser class.
#
# Example:
# <tt>class_for_name(:fixed_width)</tt> returns a FixedWidthParser class
def class_for_name(name)
ETL::Parser.const_get("#{name.to_s.camelize}Parser")
end
end
# The Source object for the data
attr_reader :source
# Options Hash for the parser
attr_reader :options
def initialize(source, options={})
@source = source
@options = options || {}
end
protected
def file
path = Pathname.new(source.configuration[:file])
path = path.absolute? ? path : Pathname.new(File.dirname(source.control.file)) + path
path
end
def raise_with_info(error, message, file, line)
raise error, "#{message} (line #{line} in #{file})"
end
end
end
end
Version data entries
22 entries across 22 versions & 9 rubygems