Sha256: e174f0c0be6a4bb355823d1e8751bbb486e51ffae6d4ee564e52d1855af1a8b0
Contents?: true
Size: 1.7 KB
Versions: 9
Compression:
Stored size: 1.7 KB
Contents
require 'csv'
module IOStreams
class Tabular
module Parser
class Csv < Base
attr_reader :csv_parser
def initialize
@csv_parser = Utility::CSVRow.new unless RUBY_VERSION.to_f >= 2.6
end
# Returns [Array<String>] the header row.
# Returns nil if the row is blank.
def parse_header(row)
return row if row.is_a?(::Array)
unless row.is_a?(String)
raise(IOStreams::Errors::InvalidHeader, "Format is :csv. Invalid input header: #{row.class.name}")
end
parse_line(row)
end
# Returns [Array] the parsed CSV line
def parse(row)
return row if row.is_a?(::Array)
unless row.is_a?(String)
raise(IOStreams::Errors::TypeMismatch, "Format is :csv. Invalid input: #{row.class.name}")
end
parse_line(row)
end
# Return the supplied array as a single line CSV string.
def render(row, header)
array = header.to_array(row)
render_array(array)
end
private
if RUBY_VERSION.to_f >= 2.6
# About 10 times slower than the approach used in Ruby 2.5 and earlier,
# but at least it works on Ruby 2.6 and above.
def parse_line(line)
return if IOStreams::Utils.blank?(line)
CSV.parse_line(line)
end
def render_array(array)
CSV.generate_line(array, encoding: 'UTF-8', row_sep: '')
end
else
def parse_line(line)
csv_parser.parse(line)
end
def render_array(array)
csv_parser.to_csv(array)
end
end
end
end
end
end
Version data entries
9 entries across 9 versions & 1 rubygems