Sha256: 585bf28b519f949d75a9aabca289935abcd28a43ce46d5e31bb2639ddbeffae1
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Size: 1.68 KB
Versions: 10
Compression:
Stored size: 1.68 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)
raise(IOStreams::Errors::TypeMismatch, "Format is :csv. Invalid input: #{row.class.name}") unless row.is_a?(String)
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
10 entries across 10 versions & 1 rubygems