6713098919

Committed 31 Oct 2023 10:21PM UTC coverage: 52.831% (-21.8%) from 74.636%

Build # 6713098919

Build Type

push

github

Committed by

web-flow

Commit Message

Merge d0a2a1ee9 into b185d4972

Run Details

45 of 45 new or added lines in 3 files covered. (100.0%)

8173 of 15470 relevant lines covered (52.83%)

6562.28 hits per line

Source File
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0.0

/pagebuilders/grid.lua

local base = require("pagebuilders.base")

local pagebuilder = pl.class(base)
pagebuilder._name = "grid"

function pagebuilder:_init()
  base._init(self)
end

function pagebuilder.findBestBreak (_, options)
  local vboxlist = SU.required(options, "vboxlist", "in findBestBreak")
  local target   = SU.required(options, "target", "in findBestBreak")
  local i = 0
  local totalHeight = SILE.length()
  local bestBreak = 0
  SU.debug("pagebuilder", "Page builder for frame", SILE.typesetter.frame.id, "called with", #vboxlist, "nodes,", target)
  if SU.debugging("vboxes") then
    for j, box in ipairs(vboxlist) do
      SU.debug("vboxes", (j == i and " >" or "  ") .. j .. ": " .. box)
    end
  end
  while i < #vboxlist do
    i = i + 1
    if not vboxlist[i].is_vglue then
      i = i - 1
      break
    end
  end
  while i < #vboxlist do
    i = i + 1
    local node = vboxlist[i]
    SU.debug("pagebuilder", "Dealing with VBox", node)
    if node.is_vbox then
      totalHeight = totalHeight + node.height:absolute() + node.depth:absolute()
    elseif node.is_vglue then
      totalHeight = totalHeight + node.height:absolute()
    elseif node.is_insertion then
      -- TODO: refactor as hook and without side effects!
      target = SILE.insertions.processInsertion(vboxlist, i, totalHeight, target)
      node = vboxlist[i]
    end
    local left = target - totalHeight
    local _left = left:tonumber()
    SU.debug("pagebuilder", "I have", left, "left")
    SU.debug("pagebuilder", "totalHeight", totalHeight, "with target", target)
    local badness = 0
    if _left < 0 then badness = 1000000 end
    if node.is_penalty then
      if node.penalty < -3000 then badness = 100000
      else badness = -_left * _left - node.penalty
      end
    end
    if badness > 0 then
      local onepage = {}
      for j = 1, bestBreak do
        onepage[j] = table.remove(vboxlist, 1)
      end
      while #onepage > 1 and onepage[#onepage].discardable do
        onepage[#onepage] = nil
      end
      return onepage, 1000
    end
    bestBreak = i
  end
  return false, false
end

return pagebuilder

1	local base = require("pagebuilders.base")	×
2
3	local pagebuilder = pl.class(base)	×
4	pagebuilder._name = "grid"	×
5
6	function pagebuilder:_init()	×
7	base._init(self)	×
8	end
9
10	function pagebuilder.findBestBreak (_, options)	×
11	local vboxlist = SU.required(options, "vboxlist", "in findBestBreak")	×
12	local target = SU.required(options, "target", "in findBestBreak")	×
13	local i = 0	×
14	local totalHeight = SILE.length()	×
15	local bestBreak = 0	×
16	SU.debug("pagebuilder", "Page builder for frame", SILE.typesetter.frame.id, "called with", #vboxlist, "nodes,", target)	×
17	if SU.debugging("vboxes") then	×
18	for j, box in ipairs(vboxlist) do	×
19	SU.debug("vboxes", (j == i and " >" or " ") .. j .. ": " .. box)	×
20	end
21	end
22	while i < #vboxlist do	×
23	i = i + 1	×
24	if not vboxlist[i].is_vglue then	×
25	i = i - 1	×
26	break
27	end
28	end
29	while i < #vboxlist do	×
30	i = i + 1	×
31	local node = vboxlist[i]	×
32	SU.debug("pagebuilder", "Dealing with VBox", node)	×
33	if node.is_vbox then	×
34	totalHeight = totalHeight + node.height:absolute() + node.depth:absolute()	×
35	elseif node.is_vglue then	×
36	totalHeight = totalHeight + node.height:absolute()	×
37	elseif node.is_insertion then	×
38	-- TODO: refactor as hook and without side effects!
39	target = SILE.insertions.processInsertion(vboxlist, i, totalHeight, target)	×
40	node = vboxlist[i]	×
41	end
42	local left = target - totalHeight	×
43	local _left = left:tonumber()	×
44	SU.debug("pagebuilder", "I have", left, "left")	×
45	SU.debug("pagebuilder", "totalHeight", totalHeight, "with target", target)	×
46	local badness = 0	×
47	if _left < 0 then badness = 1000000 end	×
48	if node.is_penalty then	×
49	if node.penalty < -3000 then badness = 100000	×
50	else badness = -_left * _left - node.penalty	×
51	end
52	end
53	if badness > 0 then	×
54	local onepage = {}	×
55	for j = 1, bestBreak do	×
56	onepage[j] = table.remove(vboxlist, 1)	×
57	end
58	while #onepage > 1 and onepage[#onepage].discardable do	×
59	onepage[#onepage] = nil	×
60	end
61	return onepage, 1000	×
62	end
63	bestBreak = i	×
64	end
65	return false, false	×
66	end
67
68	return pagebuilder	×

sile-typesetter / sile / 6713098919

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