Class: RdbCSV

Inherits:
Object
  • Object
show all
Defined in:
lib/rdb_csv.rb,
lib/rdb_csv/version.rb

Defined Under Namespace

Classes: CSV

Constant Summary collapse

VERSION = 
"0.4.1"

Class Method Summary collapse

Class Method Details

.foreach(file, options) ⇒ Object 



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# File 'lib/rdb_csv.rb', line 87

def self.foreach(file, options)
  open(file, options) do |csv|
    csv.each do |row|
      yield row
    end
  end
end

.open(file, mode = 'r', options) ⇒ Object 



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# File 'lib/rdb_csv.rb', line 54

def self.open(file, mode = 'r', options)
  db = options[:db] || :default
  delimiter = options[:delimiter] || "\t"
  quote = options[:delimiter] || '"'

  case mode
  when 'r'
    if db == :default
      ::CSV.open(file, mode, col_sep: delimiter) do |csv|
        yield csv
      end
    else
      File.open(file) do |f|
        csv = CSV.new(f, mode, db: db, delimiter: delimiter, quote: quote)
        yield csv
      end
    end
  when 'w'
    if db == :default
      ::CSV.open(file, mode, col_sep: delimiter) do |csv|
        yield csv
      end
    else
      File.open(file, 'w') do |f|
        csv = CSV.new(f, mode, db: db, delimiter: delimiter, quote: quote)
        yield csv

        csv.buffer_write
      end
    end
  end
end

.parse(str, options) ⇒ Object 



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# File 'lib/rdb_csv.rb', line 95

def self.parse(str, options)
  db = options[:db] || :default
  delimiter = options[:delimiter] || "\t"
  quote = options[:delimiter] || '"'

  if options.key?(:db)
    reader = CSV.new(str, 'r', db: db, delimiter: delimiter, quote: quote)
  else
    reader = ::CSV.parse(str, col_sep: delimiter)
  end

  rows = []
  reader.each do |row|
    if block_given?
      yield row
    else
      rows << row
    end
  end

  return rows unless block_given?
end

.parse_line(line, options) ⇒ Object 



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# File 'lib/rdb_csv.rb', line 118

def self.parse_line(line, options)
  ary = nil
  parse(line, options).each{|row| ary = row; break}
  return ary
end