Contents

require "fix_tsv_conflict/logging"

module FixTSVConflict
  class DiffPrinter
    include Logging

    attr_reader :stderr

    def initialize(stderr: $stderr)
      @stderr = stderr
      @left, @right = {}, {}
    end

    def print(cols, left, lbranch, right, rbranch)
      @lbranch, @rbranch = lbranch, rbranch

      left  = left.chomp.split(TAB)
      right = right.chomp.split(TAB)

      cols.each do |col, i|
        l, r = left[i], right[i]
        if l == r
          flush_conflicts if in_conflict?
          dump [col, l].join(TAB)
        else
          @left[col]  = l
          @right[col] = r
        end
      end

      flush_conflicts
    end

    def flush_conflicts
      dump "#{LEFT} #{@lbranch}"
      dump @left.map { |c, v| [c, v].join(TAB) }
      dump SEP
      dump @right.map { |c, v| [c, v].join(TAB) }
      dump "#{RIGHT} #{@rbranch}"

      @left.clear
      @right.clear
    end

    def print_col_and_value(col, value)
      @stderr.puts [col, value].join(TAB)
    end

    def in_conflict?
      @left.length > 0 || @right.length > 0
    end
  end
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
fix_tsv_conflict-0.1.2	lib/fix_tsv_conflict/diff_printer.rb
fix_tsv_conflict-0.1.1	lib/fix_tsv_conflict/diff_printer.rb