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-rw-r--r--tex/context/base/context-version.pdfbin4108 -> 4104 bytes
-rw-r--r--tex/context/base/font-pre.mkiv6
-rw-r--r--tex/context/base/phys-dim.lua2
-rw-r--r--tex/context/base/status-files.pdfbin24764 -> 24791 bytes
-rw-r--r--tex/context/base/typo-dha.lua388
-rw-r--r--tex/context/base/typo-dir.lua34
-rw-r--r--tex/context/base/typo-dua.lua39
-rw-r--r--tex/context/base/typo-dub.lua103
8 files changed, 241 insertions, 331 deletions
diff --git a/tex/context/base/context-version.pdf b/tex/context/base/context-version.pdf
index dfd432aed..21b7ddaa1 100644
--- a/tex/context/base/context-version.pdf
+++ b/tex/context/base/context-version.pdf
Binary files differ
diff --git a/tex/context/base/font-pre.mkiv b/tex/context/base/font-pre.mkiv
index 659c4840e..d8ef47e41 100644
--- a/tex/context/base/font-pre.mkiv
+++ b/tex/context/base/font-pre.mkiv
@@ -273,6 +273,12 @@
\definecolor[font:8] [g=.75]
\definecolor[font:9] [b=.75]
+\definecolor[bidi:left:original] [r=.6]
+\definecolor[bidi:left:reversed] [g=.6]
+\definecolor[bidi:right:original][b=.6]
+\definecolor[bidi:right:reversed][r=.6,g=.6]
+\definecolor[bidi:mirrored] [r=.6,b=.6]
+
%D Now we're up to some definitions.
\definebodyfontenvironment
diff --git a/tex/context/base/phys-dim.lua b/tex/context/base/phys-dim.lua
index 123593ca8..24d0b9231 100644
--- a/tex/context/base/phys-dim.lua
+++ b/tex/context/base/phys-dim.lua
@@ -578,7 +578,7 @@ labels.units = allocate {
lumen = { labels = { en = [[lm]] } },
lux = { labels = { en = [[lx]] } },
bequerel = { labels = { en = [[Bq]] } },
- gray = { labels = { en = [[Gr]] } },
+ gray = { labels = { en = [[Gy]] } },
sievert = { labels = { en = [[Sv]] } },
katal = { labels = { en = [[kat]] } },
minute = { labels = { en = [[min]] } },
diff --git a/tex/context/base/status-files.pdf b/tex/context/base/status-files.pdf
index 229f9506b..1d72a62ec 100644
--- a/tex/context/base/status-files.pdf
+++ b/tex/context/base/status-files.pdf
Binary files differ
diff --git a/tex/context/base/typo-dha.lua b/tex/context/base/typo-dha.lua
index 131db28df..06a1cb957 100644
--- a/tex/context/base/typo-dha.lua
+++ b/tex/context/base/typo-dha.lua
@@ -40,21 +40,23 @@ if not modules then modules = { } end modules ['typo-dha'] = {
-- todo : swappable tables and floats i.e. start-end overloads (probably loop in builders)
-- todo : check if we still have crashes in luatex when non-matched (used to be the case)
+-- I removed the original tracing code and now use the colorful one. If I ever want to change
+-- something I will just inject prints for tracing.
+
local nodes, node = nodes, node
local trace_directions = false trackers.register("typesetters.directions.default", function(v) trace_directions = v end)
local report_directions = logs.reporter("typesetting","text directions")
-local hasbit = number.hasbit
-local formatters = string.formatters
-local insert = table.insert
local insert_node_before = nodes.insert_before
local insert_node_after = nodes.insert_after
local remove_node = nodes.remove
local end_of_math = nodes.end_of_math
+local nodepool = nodes.pool
+
local nodecodes = nodes.nodecodes
local whatcodes = nodes.whatcodes
local mathcodes = nodes.mathcodes
@@ -71,10 +73,12 @@ local vlist_code = nodecodes.vlist
local localpar_code = whatcodes.localpar
local dir_code = whatcodes.dir
-local nodepool = nodes.pool
-
local new_textdir = nodepool.textdir
+local hasbit = number.hasbit
+local formatters = string.formatters
+local insert = table.insert
+
local fonthashes = fonts.hashes
local fontdata = fonthashes.identifiers
local fontchar = fonthashes.characters
@@ -84,6 +88,7 @@ local charmirrors = characters.mirrors
local charclasses = characters.textclasses
local directions = typesetters.directions
+local setcolor = directions.setcolor
local getglobal = directions.getglobal
local a_state = attributes.private('state')
@@ -93,43 +98,54 @@ local strip = false
local s_isol = fonts.analyzers.states.isol
-local function process(namespace,attribute,start)
+local function stopdir(finish)
+ return new_textdir(finish == "TRT" and "-TRT" or "-TLT")
+end
+
+local function startdir(finish)
+ return new_textdir(finish == "TRT" and "+TRT" or "+TLT")
+end
- local head = start
+local function process(namespace,attribute,start)
- local current, inserted = head, nil
- local finish, autodir, embedded, override, done = nil, 0, 0, 0, false
- local list, glyphs = trace_directions and { }, false
- local finished, finidir, finipos = nil, nil, 1
- local stack, top, obsolete = { }, 0, { }
- local lro, rlo, prevattr = false, false, 0
- local fences = { }
+ local head = start
+
+ local current = head
+ local inserted = nil
+ local finish = nil
+ local autodir = 0
+ local embedded = 0
+ local override = 0
+ local pardir = 1
+ local textdir = 1
+ local done = false
+ local finished = nil
+ local finidir = nil
+ local stack = { }
+ local top = 0
+ local obsolete = { }
+ local lro = false
+ local lro = false
+ local prevattr = false
+ local fences = { }
local function finish_auto_before()
- local fdir = finish == "TRT" and "-TRT" or "-TLT"
- head, inserted = insert_node_before(head,current,new_textdir(fdir))
+ head, inserted = insert_node_before(head,current,stopdir(finish))
finished, finidir, autodir = inserted, finish, 0
- if trace_directions then
- insert(list,#list,formatters["auto %a inserted before, autodir %a, embedded %a"](fdir,autodir,embedded))
- finipos = #list - 1
- end
finish, done = nil, true
end
local function finish_auto_after()
- local fdir = finish == "TRT" and "-TRT" or "-TLT"
- head, current = insert_node_after(head,current,new_textdir(fdir))
+ head, current = insert_node_after(head,current,stopdir(finish))
finished, finidir, autodir = current, finish, 0
- if trace_directions then
- list[#list+1] = formatters["auto %a inserted after, autodir %a, embedded %a"](fdir,autodir,embedded)
- finipos = #list
- end
finish, done = nil, true
end
- local function force_auto_left_before(d)
+ local function force_auto_left_before(direction)
if finish then
- finish_auto_before()
+ head, inserted = insert_node_before(head,current,stopdir(finish))
+ finished = inserted
+ finidir = finish
end
if embedded >= 0 then
finish, autodir = "TLT", 1
@@ -139,21 +155,16 @@ local function process(namespace,attribute,start)
done = true
if finidir == finish then
head = remove_node(head,finished,true)
- if trace_directions then
- list[finipos] = list[finipos] .. ", deleted afterwards"
- insert(list,#list,formatters["start text dir %a, auto left before, embedded %a, autodir %a, triggered by class %a"](finish,embedded,autodir,d))
- end
else
- head, inserted = insert_node_before(head,current,new_textdir("+"..finish))
- if trace_directions then
- insert(list,#list,formatters["start text dir %a, auto left before, embedded %a, autodir %a, triggered by class %a"](finish,embedded,autodir,d))
- end
+ head, inserted = insert_node_before(head,current,startdir(finish))
end
end
- local function force_auto_right_before(d)
+ local function force_auto_right_before(direction)
if finish then
- finish_auto_before()
+ head, inserted = insert_node_before(head,current,stopdir(finish))
+ finished = inserted
+ finidir = finish
end
if embedded <= 0 then
finish, autodir, done = "TRT", -1
@@ -163,267 +174,183 @@ local function process(namespace,attribute,start)
done = true
if finidir == finish then
head = remove_node(head,finished,true)
- if trace_directions then
- list[finipos] = list[finipos] .. ", deleted afterwards"
- insert(list,#list,formatters["start text dir %a, auto right before, embedded %a, autodir %a, triggered by class %a"](finish,embedded,autodir,d))
- end
else
- head, inserted = insert_node_before(head,current,new_textdir("+"..finish))
- if trace_directions then
- insert(list,#list,formatters["start text dir %a, auto right before, embedded %a, autodir %a, triggered by class %a"](finish,embedded,autodir,d))
- end
+ head, inserted = insert_node_before(head,current,startdir(finish))
end
end
local function nextisright(current)
- -- repeat
- current = current.next
- local id = current.id
- if id == glyph_code then
- local char = current.char
- local d = chardirections[char]
- return d == "r" or d == "al" or d == "an"
- -- elseif id == glue_code or id == kern_code or id == penalty_code then
- -- -- too complex and doesn't cover bounds anyway
- -- else
- -- return
- end
- -- until not current
+ current = current.next
+ local id = current.id
+ if id == glyph_code then
+ local character = current.char
+ local direction = chardirections[character]
+ return direction == "r" or direction == "al" or direction == "an"
+ end
end
local function previsright(current)
- -- repeat
- current = current.prev
- local id = current.id
- if id == glyph_code then
- local char = current.char
- local d = chardirections[char]
- return d == "r" or d == "al" or d == "an"
- -- elseif id == glue_code or id == kern_code or id == penalty_code then
- -- -- too complex and doesn't cover bounds anyway
- -- else
- -- return
- end
- -- until not current
+ current = current.prev
+ local id = current.id
+ if id == glyph_code then
+ local char = current.char
+ local direction = chardirections[character]
+ return direction == "r" or direction == "al" or direction == "an"
+ end
end
while current do
local id = current.id
- -- list[#list+1] = formatters["state: node %a, finish %a, autodir %a, embedded %a"](nutstring(current),finish or "unset",autodir,embedded)
if id == math_code then
current = end_of_math(current.next).next
else
local attr = current[attribute]
if attr and attr > 0 and attr ~= prevattr then
- if getglobal(a) then
- -- bidi parsing mode
- else
- -- local
- if trace_directions and
- current ~= head then list[#list+1] = formatters["override reset, bidi %a"](attr)
- end
+ if not getglobal(a) then
lro, rlo = false, false
end
prevattr = attr
end
- -- if attr and attr > 0 then
- -- if attr == 1 then
- -- -- bidi parsing mode
- -- elseif attr ~= prevattr then
- -- -- no pop, grouped driven (2=normal,3=lro,4=rlo)
- -- if attr == 3 then
- -- if trace_directions then
- -- list[#list+1] = formatters["override right -> left (lro), bidi %a"](attr)
- -- end
- -- lro, rlo = true, false
- -- elseif attr == 4 then
- -- if trace_directions then
- -- list[#list+1] = formatters["override left -> right (rlo), bidi %a"](attr)
- -- end
- -- lro, rlo = false, true
- -- else
- -- if trace_directions and
- -- current ~= head then list[#list+1] = formatters["override reset, bidi %a"](attr)
- -- end
- -- lro, rlo = false, false
- -- end
- -- prevattr = attr
- -- end
- -- end
if id == glyph_code then
- glyphs = true
if attr and attr > 0 then
- local char = current.char
- local d = chardirections[char]
+ local character = current.char
+ local direction = chardirections[character]
+ local reversed = false
if rlo or override > 0 then
- if d == "l" then
- if trace_directions then
- list[#list+1] = formatters["char %C of class %a overridden to r, bidi %a)"](char,d,attr)
- end
- d = "r"
- elseif trace_directions then
- if d == "lro" or d == "rlo" or d == "pdf" then -- else side effects on terminal
- list[#list+1] = formatters["override char of class %a, bidi %a"](d,attr)
- else -- todo: rle lre
- list[#list+1] = formatters["char %C of class %a, bidi %a"](char,d,attr)
- end
+ if direction == "l" then
+ direction = "r"
+ reversed = true
end
elseif lro or override < 0 then
- if d == "r" or d == "al" then
- current[a_state] = s_isol -- maybe better have a special bidi attr value -> override (9) -> todo
- if trace_directions then
- list[#list+1] = formatters["char %C of class %a overridden to l, bidi %a, state 'isol'"](char,d,attr)
- end
- d = "l"
- elseif trace_directions then
- if d == "lro" or d == "rlo" or d == "pdf" then -- else side effects on terminal
- list[#list+1] = formatters["override char of class %a, bidi %a"](d,attr)
- else -- todo: rle lre
- list[#list+1] = formatters["char %C of class %a, bidi %a"](char,d,attr)
- end
- end
- elseif trace_directions then
- if d == "lro" or d == "rlo" or d == "pdf" then -- else side effects on terminal
- list[#list+1] = formatters["override char of class %a, bidi %a"](d,attr)
- else -- todo: rle lre
- list[#list+1] = formatters["char %C of class %a, bidi %a"](char,d,attr)
+ if direction == "r" or direction == "al" then
+ current[a_state] = s_isol
+ direction = "l"
+ reversed = true
end
end
- if d == "on" then
- local mirror = charmirrors[char]
+ if direction == "on" then
+ local mirror = charmirrors[character]
if mirror and fontchar[current.font][mirror] then
- -- for the moment simple stacking
- local class = charclasses[char]
+ local class = charclasses[character]
if class == "open" then
- fences[#fences+1] = autodir
if nextisright(current) then
if autodir >= 0 then
- force_auto_right_before(d)
+ force_auto_right_before(direction)
end
current.char = mirror
done = true
+ elseif autodir < 0 then
+ current.char = mirror
+ done = true
else
- mirror = nil
- if autodir <= 0 then
- force_auto_left_before(d)
- end
+ mirror = false
end
+ local fencedir = autodir == 0 and textdir or autodir
+ fences[#fences+1] = fencedir
elseif class == "close" and #fences > 0 then
- local prevdir = fences[#fences]
+ local fencedir = fences[#fences]
fences[#fences] = nil
- if prevdir < 0 then
+ if fencedir < 0 then
current.char = mirror
done = true
- if autodir >= 0 then
- -- a bit tricky but ok for simple cases
- force_auto_right_before(d)
- end
+ force_auto_right_before(direction)
else
- mirror = nil
+ mirror = false
end
elseif autodir < 0 then
current.char = mirror
done = true
else
- mirror = nil
- end
- if trace_directions then
- if mirror then
- list[#list+1] = formatters["mirroring char %C of class %a to %C, autodir %a, bidi %a"](char,d,mirror,autodir,attr)
- else
- list[#list+1] = formatters["not mirroring char %C of class %a, autodir %a, bidi %a"](char,d,autodir,attr)
- end
+ mirror = false
end
end
- elseif d == "l" or d == "en" then -- european number
+ if trace_directions then
+ setcolor(current,direction,false,mirror)
+ end
+ elseif direction == "l" then
+ if trace_directions then
+ setcolor(current,"l",reversed)
+ end
if autodir <= 0 then -- could be option
- force_auto_left_before(d)
+ force_auto_left_before(direction)
+ end
+ elseif direction == "r" then
+ if trace_directions then
+ setcolor(current,"r",reversed)
end
- elseif d == "r" or d == "al" then -- arabic number
if autodir >= 0 then
- force_auto_right_before(d)
+ force_auto_right_before(direction)
+ end
+ elseif direction == "en" then -- european number
+ if trace_directions then
+ setcolor(current,"l")
+ end
+ if autodir <= 0 then -- could be option
+ force_auto_left_before(direction)
+ end
+ elseif direction == "al" then -- arabic number
+ if trace_directions then
+ setcolor(current,"r")
end
- elseif d == "an" then -- arabic number
- -- actually this is language dependent ...
- -- if autodir <= 0 then
- -- force_auto_left_before(d)
- -- end
if autodir >= 0 then
- force_auto_right_before(d)
+ force_auto_right_before(direction)
end
- elseif d == "lro" then -- Left-to-Right Override -> right becomes left
+ elseif direction == "an" then -- arabic number
if trace_directions then
- list[#list+1] = "override right -> left"
+ setcolor(current,"r")
end
+ if autodir >= 0 then
+ force_auto_right_before(direction)
+ end
+ elseif direction == "lro" then -- Left-to-Right Override -> right becomes left
top = top + 1
stack[top] = { override, embedded }
override = -1
obsolete[#obsolete+1] = current
- elseif d == "rlo" then -- Right-to-Left Override -> left becomes right
- if trace_directions then
- list[#list+1] = "override left -> right"
- end
+ elseif direction == "rlo" then -- Right-to-Left Override -> left becomes right
top = top + 1
stack[top] = { override, embedded }
override = 1
obsolete[#obsolete+1] = current
- elseif d == "lre" then -- Left-to-Right Embedding -> TLT
- if trace_directions then
- list[#list+1] = "embedding left -> right"
- end
+ elseif direction == "lre" then -- Left-to-Right Embedding -> TLT
top = top + 1
stack[top] = { override, embedded }
embedded = 1
obsolete[#obsolete+1] = current
- elseif d == "rle" then -- Right-to-Left Embedding -> TRT
- if trace_directions then
- list[#list+1] = "embedding right -> left"
- end
+ elseif direction == "rle" then -- Right-to-Left Embedding -> TRT
top = top + 1
stack[top] = { override, embedded }
- embedded = -1 -- was 1
+ embedded = -1
obsolete[#obsolete+1] = current
- elseif d == "pdf" then -- Pop Directional Format
- -- override = 0
+ elseif direction == "pdf" then -- Pop Directional Format
if top > 0 then
local s = stack[top]
override, embedded = s[1], s[2]
top = top - 1
- if trace_directions then
- list[#list+1] = formatters["state: override %a, embedded %a, autodir %a"](override,embedded,autodir)
- end
- else
- if trace_directions then
- list[#list+1] = "pop error: too many pops"
- end
end
obsolete[#obsolete+1] = current
+ else
+ setcolor(current)
end
- elseif trace_directions then
- local char = current.char
- local d = chardirections[char]
- list[#list+1] = formatters["char %C of class %a, bidi %a"](char,d or "?")
+ else
+ -- we do nothing
end
elseif id == whatsit_code then
- -- we have less directions now so we can do hard checks for strings instead of splitting into pieces
- if finish then
- finish_auto_before()
- end
local subtype = current.subtype
if subtype == localpar_code then
- -- if false then
- local dir = current.dir
- if dir == 'TRT' then
- autodir = -1
- elseif dir == 'TLT' then
- autodir = 1
- end
- -- embedded = autodir
- if trace_directions then
- list[#list+1] = formatters["pardir %a"](dir)
- end
- -- end
+ local dir = current.dir
+ if dir == 'TRT' then
+ autodir = -1
+ elseif dir == 'TLT' then
+ autodir = 1
+ end
+ pardir = autodir
+ textdir = pardir
elseif subtype == dir_code then
+ -- todo: also treat as lro|rlo and stack
+ if finish then
+ finish_auto_before()
+ end
local dir = current.dir
if dir == "+TRT" then
finish, autodir = "TRT", -1
@@ -434,36 +361,25 @@ local function process(namespace,attribute,start)
elseif dir == "-TLT" then
finish, autodir = nil, 0
end
- if trace_directions then
- list[#list+1] = formatters["textdir %a, autodir %a"](dir,autodir)
+ textdir = autodir
+ else
+ if finish then
+ finish_auto_before()
end
end
- else
- if trace_directions then
- list[#list+1] = formatters["node %a, subtype %a"](nodecodes[id],current.subtype)
- end
- if finish then
- finish_auto_before()
- end
+ elseif finish then
+ finish_auto_before()
end
local cn = current.next
- if not cn then
- if finish then
- finish_auto_after()
- end
+ if cn then
+ -- we're okay
+ elseif finish then
+ finish_auto_after()
end
current = cn
end
end
- if trace_directions and glyphs then
- report_directions("start log")
- for i=1,#list do
- report_directions("%02i: %s",i,list[i])
- end
- report_directions("stop log")
- end
-
if done and strip then
local n = #obsolete
if n > 0 then
diff --git a/tex/context/base/typo-dir.lua b/tex/context/base/typo-dir.lua
index aa6eb2eeb..312342348 100644
--- a/tex/context/base/typo-dir.lua
+++ b/tex/context/base/typo-dir.lua
@@ -26,7 +26,6 @@ if not modules then modules = { } end modules ['typo-dir'] = {
-- = half tagging (the current implementation)
-- = unicode version x interpretation (several depending on the evolution)
-
local next, type = next, type
local format, insert, sub, find, match = string.format, table.insert, string.sub, string.find, string.match
local utfchar = utf.char
@@ -42,6 +41,8 @@ local report_textdirections = logs.reporter("typesetting","text directions")
local report_mathdirections = logs.reporter("typesetting","math directions")
+
+
local traverse_id = node.traverse_id
local insert_node_before = node.insert_before
local insert_node_after = node.insert_after
@@ -59,6 +60,9 @@ local whatcodes = nodes.whatcodes
local mathcodes = nodes.mathcodes
local tasks = nodes.tasks
+local tracers = nodes.tracers
+local setcolor = tracers.colors.set
+local resetcolor = tracers.colors.reset
local glyph_code = nodecodes.glyph
local whatsit_code = nodecodes.whatsit
@@ -163,6 +167,28 @@ directions.getfences = getfences
directions.getmethod = getmethod
directions.installhandler = installhandler
+-- beware: in dha we have character properties and in dua|b we have direction properties
+
+function directions.setcolor(current,direction,reversed,mirror)
+ if mirror then
+ setcolor(current,"bidi:mirrored")
+ elseif direction == "l" then
+ if reversed then
+ setcolor(current,"bidi:left:reversed")
+ else
+ setcolor(current,"bidi:left:original")
+ end
+ elseif direction == "r" then
+ if reversed then
+ setcolor(current,"bidi:right:reversed")
+ else
+ setcolor(current,"bidi:right:original")
+ end
+ else
+ resetcolor(current)
+ end
+end
+
function commands.getbidimode(specification)
context(tomode(specification)) -- hash at tex end
end
@@ -191,6 +217,12 @@ function directions.process(namespace,attribute,head) -- for the moment nodes an
return head, done
end
+statistics.register("text directions", function()
+ if enabled then
+ return statistics.elapsedseconds(directions)
+ end
+end)
+
-- function directions.enable()
-- tasks.enableaction("processors","directions.handler")
-- end
diff --git a/tex/context/base/typo-dua.lua b/tex/context/base/typo-dua.lua
index 8eb0a7859..73ed9f886 100644
--- a/tex/context/base/typo-dua.lua
+++ b/tex/context/base/typo-dua.lua
@@ -90,10 +90,8 @@ local parfillskip_code = skipcodes.skipcodes
----- object_replacement = 0xFFFC -- object replacement character
local maximum_stack = 60 -- probably spec but not needed
-local setcolor = nodes.tracers.colors.set
-local resetcolor = nodes.tracers.colors.reset
-
local directions = typesetters.directions
+local setcolor = directions.setcolor
local a_directions = attributes.private('directions')
@@ -214,12 +212,12 @@ local function build_list(head) -- todo: store node pointer ... saves loop
current = current.next
elseif id == math_code then
local skip = 0
- current = current.next
+ current = current.next
while current.id ~= math_code do
- skip = skip + 1
+ skip = skip + 1
current = current.next
end
- skip = skip + 1
+ skip = skip + 1
current = current.next
list[size] = { char = 0xFFFC, direction = "on", original = "on", level = 0, skip = skip, id = id }
else
@@ -290,15 +288,8 @@ local function find_run_limit_b_s_ws_on(list,start,limit)
return start
end
--- directions.maindir = "r2l"
-
local function get_baselevel(head,list,size) -- todo: skip if first is object (or pass head and test for local_par)
- local maindir = directions.maindir
- if maindir == "r2l" then
- return 1, "TRT", false
- elseif maindir == "l2r" then
- return 0, "TLT", false
- elseif head.id == whatsit_code and head.subtype == localpar_code then
+ if head.id == whatsit_code and head.subtype == localpar_code then
if head.dir == "TRT" then
return 1, "TRT", true
else
@@ -696,28 +687,10 @@ local function apply_to_list(list,size,head,pardir)
current.char = mirror
end
if trace_directions then
- local original = entry.original
local direction = entry.direction
- if mirror then
- setcolor(current,"trace:dc")
- elseif direction == "l" then
- if original == direction then
- setcolor(current,"trace:dr")
- else
- setcolor(current,"trace:dm")
- end
- elseif direction == "r" then
- if original == direction then
- setcolor(current,"trace:db")
- else
- setcolor(current,"trace:dg")
- end
- else
- resetcolor(current)
- end
+ setcolor(current,direction,direction ~= entry.original,mirror)
end
elseif id == hlist_code or id == vlist_code then
- -- current.list = process(current.list) -- not needed
current.dir = pardir -- is this really needed?
elseif id == glue_code then
if enddir and current.subtype == parfillskip_code then
diff --git a/tex/context/base/typo-dub.lua b/tex/context/base/typo-dub.lua
index 19f109470..b78694173 100644
--- a/tex/context/base/typo-dub.lua
+++ b/tex/context/base/typo-dub.lua
@@ -30,7 +30,6 @@ if not modules then modules = { } end modules ['typo-dub'] = {
-- todo: no need for a max check
-- todo: collapse bound similar ranges (not ok yet)
-- todo: combine some sweeps
--- todo: add fence parser
-- todo: removing is not needed when we inject at the same spot (only chnage the dir property)
-- todo: isolated runs (isolating runs are similar to bidi=local in the basic analyzer)
@@ -45,10 +44,10 @@ if not modules then modules = { } end modules ['typo-dub'] = {
-- Modifies Rule X10 to make the isolating run sequence the unit to which subsequent rules are applied.
-- Modifies Rule W1 to change an NSM preceded by an isolate initiator or PDI into ON.
-- Adds Rule N0 and makes other changes to Section 3.3.5, Resolving Neutral and Isolate Formatting Types to resolve bracket pairs to the same level.
--- Adds the new ARABIC LETTER MARK (U+061C) character to Section 2.6, Implicit Directional Marks and Table 4 Bidirectional Character Types.
local insert, remove, unpack, concat = table.insert, table.remove, table.unpack, table.concat
local utfchar = utf.char
+local setmetatable = setmetatable
local formatters = string.formatters
local directiondata = characters.directions
@@ -78,12 +77,8 @@ local parfillskip_code = skipcodes.skipcodes
local maximum_stack = 0xFF -- unicode: 60, will be jumped to 125, we don't care too much
-local setcolor = nodes.tracers.colors.set
-local resetcolor = nodes.tracers.colors.reset
-
local directions = typesetters.directions
-directions.maindir = nil -- not used
-
+local setcolor = directions.setcolor
local getfences = directions.getfences
local a_directions = attributes.private('directions')
@@ -230,6 +225,16 @@ end
-- char is only used for mirror, so in fact we can as well only store it for
-- glyphs only
+-- using metatable is slightly faster so maybe some day ...
+
+-- local space = { char = 0x0020, direction = "ws", original = "ws" }
+-- local lre = { char = 0x202A, direction = "lre", original = "lre" }
+-- local lre = { char = 0x202B, direction = "rle", original = "rle" }
+-- local pdf = { char = 0x202C, direction = "pdf", original = "pdf" }
+-- local object = { char = 0xFFFC, direction = "on", original = "on" }
+--
+-- local t = { level = 0 } setmetatable(t,space) list[size] = t
+
local function build_list(head) -- todo: store node pointer ... saves loop
-- P1
local current = head
@@ -262,11 +267,11 @@ local function build_list(head) -- todo: store node pointer ... saves loop
local skip = 0
current = current.next
while current.id ~= math_code do
- skip = skip + 1
+ skip = skip + 1
current = current.next
end
- skip = skip + 1
- current = current.next
+ skip = skip + 1
+ current = current.next
list[size] = { char = 0xFFFC, direction = "on", original = "on", level = 0, skip = skip, id = id }
else
local skip = 0
@@ -307,7 +312,7 @@ end
-- ש ( ל [ א ] כ ) 2-8,4-6
function resolve_fences(list,size,start,limit)
- -- N0
+ -- N0: funny effects, not always better, so it's an options
local stack = { }
local top = 0
for i=start,limit do
@@ -325,40 +330,42 @@ function resolve_fences(list,size,start,limit)
elseif top == 0 then
-- skip
elseif class == "close" then
- for j=top,1,-1 do
- top = j
- local s = stack[j]
- if s[1] == char and not s[3] then
- s[3] = i
+ while top > 0 do
+ local s = stack[top]
+ if s[1] == char then
+ local open = s[2]
+ local close = i
+ list[open ].paired = close
+ list[close].paired = open
break
+ else
+ -- do we mirror or not
end
+ top = top - 1
end
end
end
end
end
- for i=1,#stack do
- local s = stack[i]
- if s[3] then
- local open = s[2]
- local close = s[3]
- list[open ].paired = close
- list[close].paired = open
- end
- end
--- inspect(stack)
--- inspect(list)
end
+-- local function test_fences(str)
+-- local list = { }
+-- for s in string.gmatch(str,".") do
+-- local b = utf.byte(s)
+-- list[#list+1] = { c = s, char = b, direction = directiondata[b] }
+-- end
+-- resolve_fences(list,#list,1,#size)
+-- inspect(list)
+-- end
+--
+-- test_fences("a(b)c(d)e(f(g)h)i")
+-- test_fences("a(b[c)d]")
+
-- the action
local function get_baselevel(head,list,size) -- todo: skip if first is object (or pass head and test for local_par)
- local maindir = directions.maindir
- if maindir == "r2l" then
- return 1, "TRT", false
- elseif maindir == "l2r" then
- return 0, "TLT", false
- elseif head.id == whatsit_code and head.subtype == localpar_code then
+ if head.id == whatsit_code and head.subtype == localpar_code then
if head.dir == "TRT" then
return 1, "TRT", true
else
@@ -522,10 +529,8 @@ local function resolve_weak(list,size,start,limit,orderbefore,orderafter)
local i = start
while i <= limit do
if list[i].direction == "et" then
- local runstart = i
- -- local runlimit = find_run_limit_et(list,runstart,limit) -- when moved inline we can probably collapse a lot
-
- local runlimit = runstart
+ local runstart = i
+ local runlimit = runstart
for i=runstart,limit do
if list[i].direction == "et" then
runlimit = i
@@ -533,7 +538,6 @@ local function resolve_weak(list,size,start,limit,orderbefore,orderafter)
break
end
end
-
local rundirection = runstart == start and sor or list[runstart-1].direction
if rundirection ~= "en" then
rundirection = runlimit == limit and orderafter or list[runlimit+1].direction
@@ -581,8 +585,6 @@ local function resolve_neutral(list,size,start,limit,orderbefore,orderafter)
if b_s_ws_on[entry.direction] then
local leading_direction, trailing_direction, resolved_direction
local runstart = i
- -- local runlimit = find_run_limit_b_s_ws_on(list,runstart,limit)
-
local runlimit = runstart
for i=runstart,limit do
if b_s_ws_on[list[i].direction] then
@@ -591,7 +593,6 @@ local function resolve_neutral(list,size,start,limit,orderbefore,orderafter)
break
end
end
-
if runstart == start then
leading_direction = sor
else
@@ -794,28 +795,10 @@ local function apply_to_list(list,size,head,pardir)
current.char = mirror
end
if trace_directions then
- local original = entry.original
local direction = entry.direction
- if mirror then
- setcolor(current,"trace:dc")
- elseif direction == "l" then
- if original == direction then
- setcolor(current,"trace:dr")
- else
- setcolor(current,"trace:dm")
- end
- elseif direction == "r" then
- if original == direction then
- setcolor(current,"trace:db")
- else
- setcolor(current,"trace:dg")
- end
- else
- resetcolor(current)
- end
+ setcolor(current,direction,direction ~= entry.original,mirror)
end
elseif id == hlist_code or id == vlist_code then
- -- current.list = process(current.list) -- not needed
current.dir = pardir -- is this really needed?
elseif id == glue_code then
if enddir and current.subtype == parfillskip_code then
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-04 21:38:37 +0000