diff options
Diffstat (limited to 'tex/context/base/mkiv/scrp-ini.lua')
| -rw-r--r-- | tex/context/base/mkiv/scrp-ini.lua | 243 |
1 files changed, 143 insertions, 100 deletions
diff --git a/tex/context/base/mkiv/scrp-ini.lua b/tex/context/base/mkiv/scrp-ini.lua index 3d3aa4406..6829cf898 100644 --- a/tex/context/base/mkiv/scrp-ini.lua +++ b/tex/context/base/mkiv/scrp-ini.lua @@ -10,6 +10,9 @@ if not modules then modules = { } end modules ['scrp-ini'] = { -- is finished. local tonumber, next = tonumber, next +local setmetatableindex = table.setmetatableindex +local utfbyte, utfsplit = utf.byte, utf.split +local gmatch = string.gmatch local trace_analyzing = false trackers.register("scripts.analyzing", function(v) trace_analyzing = v end) local trace_injections = false trackers.register("scripts.injections", function(v) trace_injections = v end) @@ -19,17 +22,12 @@ local trace_splitdetails = false trackers.register("scripts.splitting.details", local report_preprocessing = logs.reporter("scripts","preprocessing") local report_splitting = logs.reporter("scripts","splitting") -local utfbyte, utfsplit = utf.byte, utf.split -local gmatch = string.gmatch local attributes = attributes local nodes = nodes local context = context -local texsetattribute = tex.setattribute - local nodecodes = nodes.nodecodes -local unsetvalue = attributes.unsetvalue local implement = interfaces.implement @@ -39,14 +37,11 @@ local glue_code = nodecodes.glue local emwidths = fonts.hashes.emwidths local exheights = fonts.hashes.exheights -local a_scriptinjection = attributes.private('scriptinjection') -local a_scriptsplitting = attributes.private('scriptsplitting') -local a_scriptstatus = attributes.private('scriptstatus') +local a_script = attributes.private('script') local fontdata = fonts.hashes.identifiers local allocate = utilities.storage.allocate local setnodecolor = nodes.tracers.colors.set -local setmetatableindex = table.setmetatableindex local enableaction = nodes.tasks.enableaction local disableaction = nodes.tasks.disableaction @@ -58,9 +53,7 @@ local getchar = nuts.getchar local getfont = nuts.getfont local getid = nuts.getid local getglyphdata = nuts.getglyphdata - -local getattr = nuts.getattr -local setattr = nuts.setattr +local setglyphdata = nuts.setglyphdata local isglyph = nuts.isglyph @@ -69,8 +62,6 @@ local insert_node_before = nuts.insert_before local first_glyph = nuts.first_glyph ------ traverse_id = nuts.traverse_id ------ traverse_char = nuts.traverse_char local nextglyph = nuts.traversers.glyph local nextchar = nuts.traversers.char @@ -95,6 +86,36 @@ scripts.injectors = handlers local splitters = allocate() scripts.splitters = splitters +-- we need to fake it in luatex + +local getscript = node.direct.getscript +local texsetglyphscript = tex.setglyphscript + +if not getscript then + + local getattr = nuts.getattr + local texsetattribute = tex.setattribute + local unsetvalue = attributes.unsetvalue + + getscript = function(n) + local a = getattr(n,a_script) + if a and a ~= unsetvalue and a > 0 then + return a + end + end + + texsetglyphscript = function(a) + if not a or a == 0 then + a = unsetvalue + end + texsetattribute(a_script,a) + end + + nuts.getscript = getscript + tex .setglyphscript = texsetglyphscript + +end + local hash = { -- we could put these presets in char-def.lua -- -- half width opening parenthesis @@ -270,6 +291,8 @@ local defaults = { scripts.defaults = defaults -- so we can add more +-- todo: copy more efficient than metatable + function scripts.installmethod(handler) local name = handler.name handlers[name] = handler @@ -283,20 +306,18 @@ function scripts.installmethod(handler) for k, v in next, datasets do setmetatableindex(v,defaults) end - setmetatable(attributes, { - __index = function(t,k) - local v = datasets[k] or datasets.default - local a = unsetvalue - if v then - v.name = name -- for tracing - a = #numbertodataset + 1 - numbertodataset[a] = v - numbertohandler[a] = handler - end - t[k] = a - return a + setmetatableindex(attributes, function(t,k) + local v = datasets[k] or datasets.default + local a = 0 + if v then + v.name = name -- for tracing + a = #numbertodataset + 1 + numbertodataset[a] = v + numbertohandler[a] = handler end - } ) + t[k] = a + return a + end) handler.attributes = attributes end @@ -346,96 +367,124 @@ end local injectorenabled = false local splitterenabled = false +local function getscriptdata(n) + local s = getscript(n) + if s then + return s and numbertodataset[s] + end +end + +local function getinjector(n) + local s = getscript(n) + if s then + s = numbertohandler[s] + return s and s.injector + end +end + +local function getsplitter(n) + local s = getscript(n) + if s then + s = numbertodataset[s] + return s and s.splitter + end +end + +scripts.getdata = getscriptdata +scripts.getinjector = getinjector +scripts.getsplitter = getsplitter + function scripts.set(name,method,preset) local handler = handlers[method] if handler then + local index = handler.attributes[preset] if handler.injector then if not injectorenabled then enableaction("processors","scripts.injectors.handler") injectorenabled = true end - texsetattribute(a_scriptinjection,handler.attributes[preset] or unsetvalue) end if handler.splitter then if not splitterenabled then enableaction("processors","scripts.splitters.handler") splitterenabled = true end - texsetattribute(a_scriptsplitting,handler.attributes[preset] or unsetvalue) end if handler.initializer then handler.initializer(handler) handler.initializer = nil end + texsetglyphscript(index) else - texsetattribute(a_scriptinjection,unsetvalue) - texsetattribute(a_scriptsplitting,unsetvalue) + texsetglyphscript() end end function scripts.reset() - texsetattribute(a_scriptinjection,unsetvalue) - texsetattribute(a_scriptsplitting,unsetvalue) + texsetglyphscript() end --- the following tables will become a proper installer (move to cjk/eth) --- -- 0=gray 1=red 2=green 3=blue 4=yellow 5=magenta 6=cyan 7=x-yellow 8=x-magenta 9=x-cyan -local scriptcolors = allocate { -- todo: just named colors - korean = "trace:0", - chinese = "trace:0", - katakana = "trace:0", - hiragana = "trace:0", - full_width_open = "trace:1", - full_width_close = "trace:2", - half_width_open = "trace:3", - half_width_close = "trace:4", - full_width_punct = "trace:5", - hyphen = "trace:5", - non_starter = "trace:6", - jamo_initial = "trace:7", - jamo_medial = "trace:8", - jamo_final = "trace:9", - ethiopic_syllable = "trace:1", - ethiopic_word = "trace:2", - ethiopic_sentence = "trace:3", - breaking_tsheg = "trace:1", - nonbreaking_tsheg = "trace:2", +-- local categories = allocate { -- rather bound to cjk ... will be generalized +-- "korean", +-- "chinese", +-- "katakana", +-- "hiragana", +-- "full_width_open", +-- "full_width_close", +-- "half_width_open", +-- "half_width_close", +-- "full_width_punct", +-- "hyphen", +-- "non_starter", +-- "jamo_initial", +-- "jamo_medial", +-- "jamo_final", +-- "ethiopic_syllable", +-- "ethiopic_word", +-- "ethiopic_sentence", +-- "breaking_tsheg", +-- "nonbreaking_tsheg", +-- } +-- +-- scripts.categories = categories + +local scriptcolors = allocate { + -- todo: just named colors + hyphen = "trace:5", } scripts.colors = scriptcolors -local numbertocategory = allocate { -- rather bound to cjk ... will be generalized - "korean", - "chinese", - "katakana", - "hiragana", - "full_width_open", - "full_width_close", - "half_width_open", - "half_width_close", - "full_width_punct", - "hyphen", - "non_starter", - "jamo_initial", - "jamo_medial", - "jamo_final", - "ethiopic_syllable", - "ethiopic_word", - "ethiopic_sentence", - "breaking_tsheg", - "nonbreaking_tsheg", -} +-- this can become setprop ... -local categorytonumber = allocate(table.swapped(numbertocategory)) -- could be one table +local propertydata = nodes.properties.data -scripts.categorytonumber = categorytonumber -scripts.numbertocategory = numbertocategory +local function setscriptstatus(n,s) + local p = propertydata[n] + if p then + p.scriptstatus = s + else + propertydata[n] = { scriptstatus = s } + end +end + +function getscriptstatus(n) + local p = propertydata[n] + if p then + return p.scriptstatus + end +end + +scripts.setstatus = setscriptstatus +scripts.getstatus = getscriptstatus + +-- local function colorize(start,stop) for n in nextglyph, start do - local kind = numbertocategory[getattr(n,a_scriptstatus)] + local kind = getscriptstatus(n) if kind then local ac = scriptcolors[kind] if ac then @@ -459,13 +508,6 @@ local function traced_process(head,first,last,process,a) end end --- eventually we might end up with more extensive parsing --- todo: pass t[start..stop] == original --- --- one of the time consuming functions: - --- we can have a fonts.hashes.originals - function scripts.injectors.handler(head) local start = first_glyph(head) -- we already have glyphs here (subtype 1) if not start then @@ -476,7 +518,8 @@ function scripts.injectors.handler(head) while start do local char, id = isglyph(start) if char then - local a = getattr(start,a_scriptinjection) + -- local a = getinjector(start) + local a = getscript(start) if a then if a ~= last_a then if first then @@ -494,8 +537,8 @@ function scripts.injectors.handler(head) first, last = nil, nil end last_a = a - local handler = numbertohandler[a] - normal_process = handler.injector + -- normal_process = a + normal_process = getinjector(start) end if normal_process then -- id == font @@ -513,7 +556,7 @@ function scripts.injectors.handler(head) end local h = hash[char] if h then - setattr(start,a_scriptstatus,categorytonumber[h]) + setscriptstatus(start,h) if not first then first, last = start, start else @@ -750,13 +793,13 @@ function splitters.handler(head) -- todo: also first_glyph test local current = head while current do if getid(current) == glyph_code then - local a = getattr(current,a_scriptsplitting) + local a = getsplitter(current) if a then if a ~= attr then local handler = numbertohandler[a] tree = handler.tree or { } attr = a - proc = handler.splitter + proc = a end if proc then local root = tree[getchar(current)] @@ -813,10 +856,10 @@ end local last_a, last_f, last_s, last_q function splitters.insertafter(handler,head,first,last,detail) - local a = getattr(first,a_scriptsplitting) + local a = getscriptdata(first) local f = getfont(first) - if a ~= last_a or f ~= last_f then - last_s = emwidths[f] * numbertodataset[a].inter_word_stretch_factor + if a and a ~= last_a or f ~= last_f then + last_s = emwidths[f] * data.inter_word_stretch_factor last_a = a last_f = f end @@ -892,7 +935,7 @@ setmetatableindex(cache_nop,function(t,k) local v = { } t[k] = v return v end) function autofontfeature.handler(head) for n, char, font in nextchar, head do - -- if getattr(n,a_scriptinjection) then + -- if getscript(n) then -- -- already tagged by script feature, maybe some day adapt -- else local script = otfscripts[char] @@ -923,7 +966,7 @@ function autofontfeature.handler(head) end end if attr ~= 0 then - setattr(n,0,attr) + setglyphdata(n,attr) -- maybe set scriptinjection when associated end end @@ -965,7 +1008,6 @@ implement { -- some common helpers - do local parameters = fonts.hashes.parameters @@ -977,7 +1019,8 @@ do local inter_character_shrink_factor = 1 local function space_glue(current) - local data = numbertodataset[getattr(current,a_scriptinjection)] + -- local data = numbertodataset[getattr(current,a_scriptinjection)] + local data = getscriptdata(current) if data then inter_character_space_factor = data.inter_character_space_factor or 1 inter_character_stretch_factor = data.inter_character_stretch_factor or 1 |