Class: Coopy::Mover

Inherits:
Object
  • Object
show all
Defined in:
lib/lib/coopy/mover.rb

Class Method Summary collapse

Class Method Details

.move(isrc, idest) ⇒ Object 



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# File 'lib/lib/coopy/mover.rb', line 59

def Mover.move(isrc,idest)
  len = isrc.length
  len2 = idest.length
  in_src = {}
  in_dest = {}
  begin
    _g = 0
    while(_g < len) 
      i = _g
      _g+=1
      begin
        in_src[isrc[i]] = i
        i
      end
    end
  end
  begin
    _g1 = 0
    while(_g1 < len2) 
      i1 = _g1
      _g1+=1
      begin
        in_dest[idest[i1]] = i1
        i1
      end
    end
  end
  src = Array.new
  dest = Array.new
  v = nil
  begin
    _g2 = 0
    while(_g2 < len) 
      i2 = _g2
      _g2+=1
      v = isrc[i2]
      src.push(v) if in_dest.include?(v)
    end
  end
  begin
    _g3 = 0
    while(_g3 < len2) 
      i3 = _g3
      _g3+=1
      v = idest[i3]
      dest.push(v) if in_src.include?(v)
    end
  end
  ::Coopy::Mover.move_without_extras(src,dest)
end

.move_units(units) ⇒ Object 



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# File 'lib/lib/coopy/mover.rb', line 7

def Mover.move_units(units)
  isrc = Array.new
  idest = Array.new
  len = units.length
  ltop = -1
  rtop = -1
  in_src = {}
  in_dest = {}
  begin
    _g = 0
    while(_g < len) 
      i = _g
      _g+=1
      unit = units[i]
      if unit.l >= 0 && unit.r >= 0 
        ltop = unit.l if ltop < unit.l
        rtop = unit.r if rtop < unit.r
        begin
          in_src[unit.l] = i
          i
        end
        begin
          in_dest[unit.r] = i
          i
        end
      end
    end
  end
  v = nil
  begin
    _g1 = 0
    _g2 = ltop + 1
    while(_g1 < _g2) 
      i1 = _g1
      _g1+=1
      v = in_src[i1]
      isrc.push(v) if v != nil
    end
  end
  begin
    _g11 = 0
    _g3 = rtop + 1
    while(_g11 < _g3) 
      i2 = _g11
      _g11+=1
      v = in_dest[i2]
      idest.push(v) if v != nil
    end
  end
  ::Coopy::Mover.move_without_extras(isrc,idest)
end

.move_without_extras(src, dest) ⇒ Object

protected - in ruby this doesn’t play well with static/inline methods



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# File 'lib/lib/coopy/mover.rb', line 112

def Mover.move_without_extras(src,dest)
  return nil if src.length != dest.length
  return [] if src.length <= 1
  len = src.length
  in_src = {}
  blk_len = {}
  blk_src_loc = {}
  blk_dest_loc = {}
  begin
    _g = 0
    while(_g < len) 
      i = _g
      _g+=1
      begin
        in_src[src[i]] = i
        i
      end
    end
  end
  ct = 0
  in_cursor = -2
  out_cursor = 0
  _next = nil
  blk = -1
  v = nil
  while(out_cursor < len) 
    v = dest[out_cursor]
    _next = in_src[v]
    if _next != in_cursor + 1 
      blk = v
      ct = 1
      blk_src_loc[blk] = _next
      blk_dest_loc[blk] = out_cursor
    else 
      ct+=1
    end
    blk_len[blk] = ct
    in_cursor = _next
    out_cursor+=1
  end
  blks = Array.new
  _it = ::Rb::RubyIterator.new(blk_len.keys)
  while(_it.has_next) do
    k = _it._next
    blks.push(k)
  end
  blks.sort! {|a,b|
    diff = blk_len[b] - blk_len[a]
    diff = a - b if diff == 0
    diff
  }
  moved = Array.new
  while(blks.length > 0) 
    blk1 = blks.shift
    blen = blks.length
    ref_src_loc = blk_src_loc[blk1]
    ref_dest_loc = blk_dest_loc[blk1]
    i1 = blen - 1
    while(i1 >= 0) 
      blki = blks[i1]
      blki_src_loc = blk_src_loc[blki]
      to_left_src = blki_src_loc < ref_src_loc
      to_left_dest = blk_dest_loc[blki] < ref_dest_loc
      if to_left_src != to_left_dest 
        ct1 = blk_len[blki]
        begin
          _g1 = 0
          while(_g1 < ct1) 
            j = _g1
            _g1+=1
            moved.push(src[blki_src_loc])
            blki_src_loc+=1
          end
        end
        blks.slice!(i1,1)
      end
      i1-=1
    end
  end
  moved
end