module Wordmap::Builder
Public Instance Methods
build_vectors(hash)
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# File lib/wordmap/builder.rb, line 7 def build_vectors(hash) vectors = hash.first[0].is_a?(Array) ? hash.keys.transpose : [hash.keys] vectors.map!(&:uniq) vectors.map!(&:sort) vectors end
rjust_bytes(string, bytesize, spacer)
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# File lib/wordmap/builder.rb, line 44 def rjust_bytes(string, bytesize, spacer) difference = bytesize - string.bytesize (spacer * difference) + string end
write_data(path, vecs, cells_c, hash, spacer) { |key, value, cell_i| ... }
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TODO: drop null bytes at the beginning (offset in meta) TODO: drop null bytes at the end
# File lib/wordmap/builder.rb, line 16 def write_data(path, vecs, cells_c, hash, spacer) File.open("#{path}/data", 'wb') do |file| cell_w = hash.values.max_by(&:bytesize).bytesize file.write("#{cell_w},#{cells_c}#{spacer}") key_iterator = vecs.size == 1 ? vecs[0].each : vecs[0].product(*vecs[1..-1]).to_enum key_iterator.with_index do |key, cell_i| value = hash[key].to_s yield(key, value, cell_i) unless value.empty? file.write(rjust_bytes(value, cell_w, spacer)) end end end
write_vector(path, vector, spacer)
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# File lib/wordmap/builder.rb, line 32 def write_vector(path, vector, spacer) cell_w = vector.max_by(&:bytesize).bytesize File.open(path, 'wb') do |file| file.write("#{cell_w},#{vector.size}#{spacer}") vector.each do |key| file.write(rjust_bytes(key.to_s, cell_w, spacer)) end end end