Module: Duracloud::TSV

Included in:
AuditLog, BitIntegrityReport, Manifest
Defined in:
lib/duracloud/tsv.rb

Constant Summary collapse

CHUNK_SIZE = 
1024 * 16

Instance Method Summary collapse

Instance Method Details

#csv ⇒ Object 



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# File 'lib/duracloud/tsv.rb', line 8

def csv
  @csv ||= CSV.new(tsv, csv_options)
end

#load_tsv(io_or_str) ⇒ Object 



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# File 'lib/duracloud/tsv.rb', line 41

def load_tsv(io_or_str)
  @tsv_source = io_or_str.is_a?(String) ? StringIO.new(io_or_str, "rb") : io_or_str
end

#load_tsv_file(path) ⇒ Object 



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# File 'lib/duracloud/tsv.rb', line 53

def load_tsv_file(path)
  load_tsv File.new(path, "rb")
end

#rows ⇒ Object 



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# File 'lib/duracloud/tsv.rb', line 12

def rows
  @rows ||= Enumerator.new do |e|
    table.each { |row| e << row.to_hash }
  end
end

#table ⇒ Object 



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# File 'lib/duracloud/tsv.rb', line 18

def table
  csv.rewind
  csv.read
ensure
  csv.rewind
end

#to_s ⇒ Object 



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# File 'lib/duracloud/tsv.rb', line 57

def to_s
  tsv.to_s
end

#tsv(&block) ⇒ Object 



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# File 'lib/duracloud/tsv.rb', line 25

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

#tsv_source ⇒ Object 



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# File 'lib/duracloud/tsv.rb', line 45

def tsv_source
  @tsv_source
end

#tsv_source? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/duracloud/tsv.rb', line 49

def tsv_source?
  !!@tsv_source
end