Sha256: d3937f0268b86ee80f7ca3758f35c3e356bce75846ee5a1e224fa52842fdda76
Contents?: true
Size: 1.24 KB
Versions: 12
Compression:
Stored size: 1.24 KB
Contents
require "csv"
module Duracloud
module TSV
CHUNK_SIZE = 1024 * 16
def csv
@csv ||= CSV.new(tsv, csv_options)
end
def rows
@rows ||= Enumerator.new do |e|
table.each { |row| e << row.to_hash }
end
end
def table
csv.rewind
csv.read
ensure
csv.rewind
end
def tsv(&block)
return unless tsv_source?
begin
tsv_source.rewind
if block_given?
while chunk = tsv_source.read(CHUNK_SIZE)
yield chunk
end
else
tsv_source.read
end
ensure
tsv_source.rewind
end
end
def load_tsv(io_or_str)
@tsv_source = io_or_str.is_a?(String) ? StringIO.new(io_or_str, "rb") : io_or_str
end
def tsv_source
@tsv_source
end
def tsv_source?
!!@tsv_source
end
def load_tsv_file(path)
load_tsv File.new(path, "rb")
end
def to_s
tsv.to_s
end
private
def csv_options
{ col_sep: "\t",
quote_char: "`",
headers: true,
return_headers: false,
header_converters: header_converters,
}
end
def header_converters
lambda { |h| h.downcase.gsub(/-/, "_") }
end
end
end
Version data entries
12 entries across 12 versions & 1 rubygems