sile 0.15.11

Simon’s Improved Layout Engine
Documentation 
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SILE = require("core.sile")

describe("SILE.linebreak", function ()
   SILE.documentState = { documentClass = { state = {} } }
   SILE.typesetter = SILE.typesetters.default(SILE.newFrame({ id = "foo" }))

   -- This is a list of boxes, with their dimensions, extracted from a specially hacked version of TeX.
   local hlist = {}
   local function nnode (spec)
      table.insert(hlist, SILE.types.node.nnode(spec))
   end
   local function glue (spec)
      table.insert(hlist, SILE.types.node.glue(spec))
   end
   nnode({ text = "To", height = 6.15234, depth = 0.14647, width = 10.14648 })
   glue({ width = SILE.types.length({ length = 2.20215, stretch = 1.10107, shrink = 0.73404 }) })
   nnode({ text = "Sherlock", height = 7.56836, depth = 0.14647, width = 35.82031 })
   glue({ width = SILE.types.length({ length = 2.20215, stretch = 1.10107, shrink = 0.73404 }) })
   nnode({ text = "Holmes", height = 7.56836, depth = 0.14647, width = 30.79102 })
   glue({ width = SILE.types.length({ length = 2.20215, stretch = 1.10107, shrink = 0.73404 }) })
   nnode({ text = "she", height = 7.56836, depth = 0.14647, width = 13.99902 })
   glue({ width = SILE.types.length({ length = 2.20215, stretch = 1.10107, shrink = 0.73404 }) })
   nnode({ text = "is", height = 6.6211, depth = 0.14647, width = 6.57227 })
   glue({ width = SILE.types.length({ length = 2.20215, stretch = 1.10107, shrink = 0.73404 }) })
   nnode({ text = "always", height = 7.56836, depth = 2.44139, width = 27.59766 })
   glue({ width = SILE.types.length({ length = 2.20215, stretch = 1.10107, shrink = 0.73404 }) })
   nnode({ text = "the", height = 7.56836, depth = 0.14647, width = 13.5791 })
   glue({ width = SILE.types.length({ length = 2.20215, stretch = 1.10107, shrink = 0.73404 }) })
   nnode({ text = "woman", height = 4.6875, depth = 0.1953, width = 32.37305 })
   glue({ width = SILE.types.length({ length = 2.93619, stretch = 3.30322, shrink = 0.24467 }) })
   nnode({ text = "I", height = 6.15234, depth = 0.0, width = 2.97852 })
   glue({ width = SILE.types.length({ length = 2.20215, stretch = 1.09996, shrink = 0.73477 }) })
   nnode({ text = "have", height = 7.56836, depth = 0.14647, width = 19.26758 })
   glue({ width = SILE.types.length({ length = 2.20215, stretch = 1.10107, shrink = 0.73404 }) })
   nnode({ text = "seldom", height = 7.56836, depth = 0.14647, width = 29.45313 })
   glue({ width = SILE.types.length({ length = 2.20215, stretch = 1.10107, shrink = 0.73404 }) })
   nnode({ text = "heard", height = 7.56836, depth = 0.14647, width = 23.78906 })
   glue({ width = SILE.types.length({ length = 2.20215, stretch = 1.10107, shrink = 0.73404 }) })
   nnode({ text = "him", height = 7.56836, depth = 0.0, width = 16.25977 })
   glue({ width = SILE.types.length({ length = 2.20215, stretch = 1.10107, shrink = 0.73404 }) })
   nnode({ text = "mention", height = 6.6211, depth = 0.14647, width = 34.86816 })
   glue({ width = SILE.types.length({ length = 2.20215, stretch = 1.10107, shrink = 0.73404 }) })
   nnode({ text = "her", height = 7.56836, depth = 0.14647, width = 14.09668 })
   glue({ width = SILE.types.length({ length = 2.20215, stretch = 1.10107, shrink = 0.73404 }) })
   nnode({ text = "under", height = 7.56836, depth = 0.14647, width = 24.59473 })
   glue({ width = SILE.types.length({ length = 2.20215, stretch = 1.10107, shrink = 0.73404 }) })
   nnode({ text = "any", height = 4.6875, depth = 2.44139, width = 15.03906 })
   glue({ width = SILE.types.length({ length = 2.20215, stretch = 1.10107, shrink = 0.73404 }) })
   nnode({ text = "other", height = 7.56836, depth = 0.14647, width = 22.56836 })
   glue({ width = SILE.types.length({ length = 2.20215, stretch = 1.10107, shrink = 0.73404 }) })
   nnode({ text = "name", height = 4.6875, depth = 0.1953, width = 25.04883 })
   glue({ width = SILE.types.length({ length = 2.93619, stretch = 3.30322, shrink = 0.24467 }) })
   nnode({ text = "In", height = 6.15234, depth = 0.0, width = 8.4961 })
   glue({ width = SILE.types.length({ length = 2.20215, stretch = 1.10107, shrink = 0.73404 }) })
   nnode({ text = "his", height = 7.56836, depth = 0.14647, width = 12.08984 })
   glue({ width = SILE.types.length({ length = 2.20215, stretch = 1.10107, shrink = 0.73404 }) })
   nnode({ text = "eyes", height = 4.6875, depth = 2.44139, width = 17.83691 })
   glue({ width = SILE.types.length({ length = 2.20215, stretch = 1.10107, shrink = 0.73404 }) })
   nnode({ text = "she", height = 7.56836, depth = 0.14647, width = 13.99902 })
   glue({ width = SILE.types.length({ length = 2.20215, stretch = 1.10107, shrink = 0.73404 }) })
   nnode({ text = "eclipses", height = 7.56836, depth = 2.34373, width = 31.9043 })
   glue({ width = SILE.types.length({ length = 2.20215, stretch = 1.10107, shrink = 0.73404 }) })
   nnode({ text = "and", height = 7.56836, depth = 0.14647, width = 15.30762 })
   glue({ width = SILE.types.length({ length = 2.20215, stretch = 1.10107, shrink = 0.73404 }) })
   nnode({ text = "predominates", height = 7.56836, depth = 2.34373, width = 56.7334 })
   glue({ width = SILE.types.length({ length = 2.20215, stretch = 1.10107, shrink = 0.73404 }) })
   nnode({ text = "the", height = 7.56836, depth = 0.14647, width = 13.5791 })
   glue({ width = SILE.types.length({ length = 2.20215, stretch = 1.10107, shrink = 0.73404 }) })
   nnode({ text = "whole", height = 7.56836, depth = 0.14647, width = 24.93652 })
   glue({ width = SILE.types.length({ length = 2.20215, stretch = 1.10107, shrink = 0.73404 }) })
   nnode({ text = "of", height = 7.56836, depth = 0.14647, width = 8.13965 })
   glue({ width = SILE.types.length({ length = 2.20215, stretch = 1.10107, shrink = 0.73404 }) })
   nnode({ text = "her", height = 7.56836, depth = 0.14647, width = 14.09668 })
   glue({ width = SILE.types.length({ length = 2.20215, stretch = 1.10107, shrink = 0.73404 }) })
   nnode({ text = "sex.", height = 4.6875, depth = 0.1953, width = 15.6543 })

   it("should sleuth the right break point", function ()
      -- print(SILE.linebreak:doBreak(hlist, 30.0))
   end)
end)