avoid some string concatenations
file:write can write multiple args one after another; no need to concatenate them first. I'm starting to pay attention to memory usage after the experience of turning off the JIT.
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fbad3dd205
12
file.lua
12
file.lua
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@ -34,7 +34,7 @@ function save_to_disk(lines, filename)
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if line.mode == 'drawing' then
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store_drawing(outfile, line)
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else
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outfile:write(line.data..'\n')
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outfile:write(line.data, '\n')
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end
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end
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outfile:close()
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@ -82,21 +82,21 @@ function store_drawing(outfile, drawing)
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outfile:write('```lines\n')
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for _,shape in ipairs(drawing.shapes) do
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if shape.mode == 'freehand' then
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outfile:write(json.encode(shape)..'\n')
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outfile:write(json.encode(shape), '\n')
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elseif shape.mode == 'line' or shape.mode == 'manhattan' then
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local line = json.encode({mode=shape.mode, p1=drawing.points[shape.p1], p2=drawing.points[shape.p2]})
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outfile:write(line..'\n')
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outfile:write(line, '\n')
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elseif shape.mode == 'polygon' or shape.mode == 'rectangle' or shape.mode == 'square' then
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local obj = {mode=shape.mode, vertices={}}
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for _,p in ipairs(shape.vertices) do
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table.insert(obj.vertices, drawing.points[p])
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end
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local line = json.encode(obj)
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outfile:write(line..'\n')
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outfile:write(line, '\n')
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elseif shape.mode == 'circle' then
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outfile:write(json.encode({mode=shape.mode, center=drawing.points[shape.center], radius=shape.radius})..'\n')
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outfile:write(json.encode({mode=shape.mode, center=drawing.points[shape.center], radius=shape.radius}), '\n')
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elseif shape.mode == 'arc' then
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outfile:write(json.encode({mode=shape.mode, center=drawing.points[shape.center], radius=shape.radius, start_angle=shape.start_angle, end_angle=shape.end_angle})..'\n')
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outfile:write(json.encode({mode=shape.mode, center=drawing.points[shape.center], radius=shape.radius, start_angle=shape.start_angle, end_angle=shape.end_angle}), '\n')
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elseif shape.mode == 'deleted' then
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-- ignore
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else
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