Class: IOSegmenter
Overview
IO iterator for parsing segments of streams
Constant Summary collapse
- DEFAULT_READ_SIZE =
8192
Class Method Summary collapse
Instance Method Summary collapse
- #each ⇒ Object
-
#initialize(io, starting_char, ending_char, quote_char, escape_char, max_read_size = DEFAULT_READ_SIZE) ⇒ IOSegmenter
constructor
A new instance of IOSegmenter.
Constructor Details
#initialize(io, starting_char, ending_char, quote_char, escape_char, max_read_size = DEFAULT_READ_SIZE) ⇒ IOSegmenter
Returns a new instance of IOSegmenter.
9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 |
# File 'lib/io-segmenter.rb', line 9 def initialize(io, starting_char, ending_char, quote_char, escape_char, max_read_size=DEFAULT_READ_SIZE) @io = io @starting_char = starting_char @ending_char = ending_char @quote_char = quote_char @escape_char = escape_char @max_read_size = max_read_size terms = [ @starting_char, @ending_char, @quote_char, @escape_char ] terms.compact! terms.map! { |str| Regexp.escape(str) } @search = Regexp.new('(:?' + terms.join('|') + ')') end |
Class Method Details
.foreach(*args, &block) ⇒ Object
40 41 42 |
# File 'lib/io-segmenter.rb', line 40 def self.foreach(*args, &block) new(*args).each(&block) end |
Instance Method Details
#each ⇒ Object
29 30 31 32 33 34 35 36 37 38 |
# File 'lib/io-segmenter.rb', line 29 def each buffer = String.new until @io.eof? buffer << @io.read(@max_read_size) each_segment(buffer) do |segment| yield segment end end end |