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-rw-r--r--src/fontloader/misc/fontloader-fonts-ota.lua451
1 files changed, 0 insertions, 451 deletions
diff --git a/src/fontloader/misc/fontloader-fonts-ota.lua b/src/fontloader/misc/fontloader-fonts-ota.lua
deleted file mode 100644
index 256ead5..0000000
--- a/src/fontloader/misc/fontloader-fonts-ota.lua
+++ /dev/null
@@ -1,451 +0,0 @@
-if not modules then modules = { } end modules ['luatex-fonts-ota'] = {
- version = 1.001,
- comment = "companion to font-otf.lua (analysing)",
- author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
- copyright = "PRAGMA ADE / ConTeXt Development Team",
- license = "see context related readme files"
-}
-
-local type = type
-
-if not trackers then trackers = { register = function() end } end
-
------ trace_analyzing = false trackers.register("otf.analyzing", function(v) trace_analyzing = v end)
-
-local fonts, nodes, node = fonts, nodes, node
-
-local allocate = utilities.storage.allocate
-
-local otf = fonts.handlers.otf
-
-local analyzers = fonts.analyzers
-local initializers = allocate()
-local methods = allocate()
-
-analyzers.initializers = initializers
-analyzers.methods = methods
-
-local a_state = attributes.private('state')
-
-local nuts = nodes.nuts
-local tonut = nuts.tonut
-
-local getfield = nuts.getfield
-local getnext = nuts.getnext
-local getprev = nuts.getprev
-local getid = nuts.getid
-local getprop = nuts.getprop
-local setprop = nuts.setprop
-local getfont = nuts.getfont
-local getsubtype = nuts.getsubtype
-local getchar = nuts.getchar
-
-local traverse_id = nuts.traverse_id
-local traverse_node_list = nuts.traverse
-local end_of_math = nuts.end_of_math
-
-local nodecodes = nodes.nodecodes
-local glyph_code = nodecodes.glyph
-local disc_code = nodecodes.disc
-local math_code = nodecodes.math
-
-local fontdata = fonts.hashes.identifiers
-local categories = characters and characters.categories or { } -- sorry, only in context
-
-local otffeatures = fonts.constructors.newfeatures("otf")
-local registerotffeature = otffeatures.register
-
---[[ldx--
-<p>Analyzers run per script and/or language and are needed in order to
-process features right.</p>
---ldx]]--
-
--- never use these numbers directly
-
-local s_init = 1 local s_rphf = 7
-local s_medi = 2 local s_half = 8
-local s_fina = 3 local s_pref = 9
-local s_isol = 4 local s_blwf = 10
-local s_mark = 5 local s_pstf = 11
-local s_rest = 6
-
-local states = {
- init = s_init,
- medi = s_medi,
- fina = s_fina,
- isol = s_isol,
- mark = s_mark,
- rest = s_rest,
- rphf = s_rphf,
- half = s_half,
- pref = s_pref,
- blwf = s_blwf,
- pstf = s_pstf,
-}
-
-local features = {
- init = s_init,
- medi = s_medi,
- fina = s_fina,
- isol = s_isol,
- -- mark = s_mark,
- -- rest = s_rest,
- rphf = s_rphf,
- half = s_half,
- pref = s_pref,
- blwf = s_blwf,
- pstf = s_pstf,
-}
-
-analyzers.states = states
-analyzers.features = features
-analyzers.useunicodemarks = false
-
--- todo: analyzers per script/lang, cross font, so we need an font id hash -> script
--- e.g. latin -> hyphenate, arab -> 1/2/3 analyze -- its own namespace
-
-function analyzers.setstate(head,font)
- local useunicodemarks = analyzers.useunicodemarks
- local tfmdata = fontdata[font]
- local descriptions = tfmdata.descriptions
- local first, last, current, n, done = nil, nil, head, 0, false -- maybe make n boolean
- current = tonut(current)
- while current do
- local id = getid(current)
- if id == glyph_code and getfont(current) == font then
- done = true
- local char = getchar(current)
- local d = descriptions[char]
- if d then
- if d.class == "mark" then
- done = true
- setprop(current,a_state,s_mark)
- elseif useunicodemarks and categories[char] == "mn" then
- done = true
- setprop(current,a_state,s_mark)
- elseif n == 0 then
- first, last, n = current, current, 1
- setprop(current,a_state,s_init)
- else
- last, n = current, n+1
- setprop(current,a_state,s_medi)
- end
- else -- finish
- if first and first == last then
- setprop(last,a_state,s_isol)
- elseif last then
- setprop(last,a_state,s_fina)
- end
- first, last, n = nil, nil, 0
- end
- elseif id == disc_code then
- -- always in the middle .. it doesn't make much sense to assign a property
- -- here ... we might at some point decide to flag the components when present
- -- but even then it's kind of bogus
- setprop(current,a_state,s_medi)
- last = current
- else -- finish
- if first and first == last then
- setprop(last,a_state,s_isol)
- elseif last then
- setprop(last,a_state,s_fina)
- end
- first, last, n = nil, nil, 0
- if id == math_code then
- current = end_of_math(current)
- end
- end
- current = getnext(current)
- end
- if first and first == last then
- setprop(last,a_state,s_isol)
- elseif last then
- setprop(last,a_state,s_fina)
- end
- return head, done
-end
-
--- in the future we will use language/script attributes instead of the
--- font related value, but then we also need dynamic features which is
--- somewhat slower; and .. we need a chain of them
-
-local function analyzeinitializer(tfmdata,value) -- attr
- local script, language = otf.scriptandlanguage(tfmdata) -- attr
- local action = initializers[script]
- if not action then
- -- skip
- elseif type(action) == "function" then
- return action(tfmdata,value)
- else
- local action = action[language]
- if action then
- return action(tfmdata,value)
- end
- end
-end
-
-local function analyzeprocessor(head,font,attr)
- local tfmdata = fontdata[font]
- local script, language = otf.scriptandlanguage(tfmdata,attr)
- local action = methods[script]
- if not action then
- -- skip
- elseif type(action) == "function" then
- return action(head,font,attr)
- else
- action = action[language]
- if action then
- return action(head,font,attr)
- end
- end
- return head, false
-end
-
-registerotffeature {
- name = "analyze",
- description = "analysis of character classes",
- default = true,
- initializers = {
- node = analyzeinitializer,
- },
- processors = {
- position = 1,
- node = analyzeprocessor,
- }
-}
-
--- latin
-
-methods.latn = analyzers.setstate
-
-
-local tatweel = 0x0640
-local zwnj = 0x200C
-local zwj = 0x200D
-
-local isolated = { -- isol
- [0x0600] = true, [0x0601] = true, [0x0602] = true, [0x0603] = true,
- [0x0604] = true,
- [0x0608] = true, [0x060B] = true, [0x0621] = true, [0x0674] = true,
- [0x06DD] = true,
- -- mandaic
- [0x0856] = true, [0x0858] = true, [0x0857] = true,
- -- n'ko
- [0x07FA] = true,
- -- also here:
- [zwnj] = true,
- -- 7
- [0x08AD] = true,
-}
-
-local final = { -- isol_fina
- [0x0622] = true, [0x0623] = true, [0x0624] = true, [0x0625] = true,
- [0x0627] = true, [0x0629] = true, [0x062F] = true, [0x0630] = true,
- [0x0631] = true, [0x0632] = true, [0x0648] = true, [0x0671] = true,
- [0x0672] = true, [0x0673] = true, [0x0675] = true, [0x0676] = true,
- [0x0677] = true, [0x0688] = true, [0x0689] = true, [0x068A] = true,
- [0x068B] = true, [0x068C] = true, [0x068D] = true, [0x068E] = true,
- [0x068F] = true, [0x0690] = true, [0x0691] = true, [0x0692] = true,
- [0x0693] = true, [0x0694] = true, [0x0695] = true, [0x0696] = true,
- [0x0697] = true, [0x0698] = true, [0x0699] = true, [0x06C0] = true,
- [0x06C3] = true, [0x06C4] = true, [0x06C5] = true, [0x06C6] = true,
- [0x06C7] = true, [0x06C8] = true, [0x06C9] = true, [0x06CA] = true,
- [0x06CB] = true, [0x06CD] = true, [0x06CF] = true, [0x06D2] = true,
- [0x06D3] = true, [0x06D5] = true, [0x06EE] = true, [0x06EF] = true,
- [0x0759] = true, [0x075A] = true, [0x075B] = true, [0x076B] = true,
- [0x076C] = true, [0x0771] = true, [0x0773] = true, [0x0774] = true,
- [0x0778] = true, [0x0779] = true,
- [0x08AA] = true, [0x08AB] = true, [0x08AC] = true,
- [0xFEF5] = true, [0xFEF7] = true, [0xFEF9] = true, [0xFEFB] = true,
- -- syriac
- [0x0710] = true, [0x0715] = true, [0x0716] = true, [0x0717] = true,
- [0x0718] = true, [0x0719] = true, [0x0728] = true, [0x072A] = true,
- [0x072C] = true, [0x071E] = true,
- [0x072F] = true, [0x074D] = true,
- -- mandaic
- [0x0840] = true, [0x0849] = true, [0x0854] = true, [0x0846] = true,
- [0x084F] = true,
- -- 7
- [0x08AE] = true, [0x08B1] = true, [0x08B2] = true,
-}
-
-local medial = { -- isol_fina_medi_init
- [0x0626] = true, [0x0628] = true, [0x062A] = true, [0x062B] = true,
- [0x062C] = true, [0x062D] = true, [0x062E] = true, [0x0633] = true,
- [0x0634] = true, [0x0635] = true, [0x0636] = true, [0x0637] = true,
- [0x0638] = true, [0x0639] = true, [0x063A] = true, [0x063B] = true,
- [0x063C] = true, [0x063D] = true, [0x063E] = true, [0x063F] = true,
- [0x0641] = true, [0x0642] = true, [0x0643] = true,
- [0x0644] = true, [0x0645] = true, [0x0646] = true, [0x0647] = true,
- [0x0649] = true, [0x064A] = true, [0x066E] = true, [0x066F] = true,
- [0x0678] = true, [0x0679] = true, [0x067A] = true, [0x067B] = true,
- [0x067C] = true, [0x067D] = true, [0x067E] = true, [0x067F] = true,
- [0x0680] = true, [0x0681] = true, [0x0682] = true, [0x0683] = true,
- [0x0684] = true, [0x0685] = true, [0x0686] = true, [0x0687] = true,
- [0x069A] = true, [0x069B] = true, [0x069C] = true, [0x069D] = true,
- [0x069E] = true, [0x069F] = true, [0x06A0] = true, [0x06A1] = true,
- [0x06A2] = true, [0x06A3] = true, [0x06A4] = true, [0x06A5] = true,
- [0x06A6] = true, [0x06A7] = true, [0x06A8] = true, [0x06A9] = true,
- [0x06AA] = true, [0x06AB] = true, [0x06AC] = true, [0x06AD] = true,
- [0x06AE] = true, [0x06AF] = true, [0x06B0] = true, [0x06B1] = true,
- [0x06B2] = true, [0x06B3] = true, [0x06B4] = true, [0x06B5] = true,
- [0x06B6] = true, [0x06B7] = true, [0x06B8] = true, [0x06B9] = true,
- [0x06BA] = true, [0x06BB] = true, [0x06BC] = true, [0x06BD] = true,
- [0x06BE] = true, [0x06BF] = true, [0x06C1] = true, [0x06C2] = true,
- [0x06CC] = true, [0x06CE] = true, [0x06D0] = true, [0x06D1] = true,
- [0x06FA] = true, [0x06FB] = true, [0x06FC] = true, [0x06FF] = true,
- [0x0750] = true, [0x0751] = true, [0x0752] = true, [0x0753] = true,
- [0x0754] = true, [0x0755] = true, [0x0756] = true, [0x0757] = true,
- [0x0758] = true, [0x075C] = true, [0x075D] = true, [0x075E] = true,
- [0x075F] = true, [0x0760] = true, [0x0761] = true, [0x0762] = true,
- [0x0763] = true, [0x0764] = true, [0x0765] = true, [0x0766] = true,
- [0x0767] = true, [0x0768] = true, [0x0769] = true, [0x076A] = true,
- [0x076D] = true, [0x076E] = true, [0x076F] = true, [0x0770] = true,
- [0x0772] = true, [0x0775] = true, [0x0776] = true, [0x0777] = true,
- [0x077A] = true, [0x077B] = true, [0x077C] = true, [0x077D] = true,
- [0x077E] = true, [0x077F] = true,
- [0x08A0] = true, [0x08A2] = true, [0x08A4] = true, [0x08A5] = true,
- [0x08A6] = true, [0x0620] = true, [0x08A8] = true, [0x08A9] = true,
- [0x08A7] = true, [0x08A3] = true,
- -- syriac
- [0x0712] = true, [0x0713] = true, [0x0714] = true, [0x071A] = true,
- [0x071B] = true, [0x071C] = true, [0x071D] = true, [0x071F] = true,
- [0x0720] = true, [0x0721] = true, [0x0722] = true, [0x0723] = true,
- [0x0724] = true, [0x0725] = true, [0x0726] = true, [0x0727] = true,
- [0x0729] = true, [0x072B] = true, [0x072D] = true, [0x072E] = true,
- [0x074E] = true, [0x074F] = true,
- -- mandaic
- [0x0841] = true, [0x0842] = true, [0x0843] = true, [0x0844] = true,
- [0x0845] = true, [0x0847] = true, [0x0848] = true, [0x0855] = true,
- [0x0851] = true, [0x084E] = true, [0x084D] = true, [0x084A] = true,
- [0x084B] = true, [0x084C] = true, [0x0850] = true, [0x0852] = true,
- [0x0853] = true,
- -- n'ko
- [0x07D7] = true, [0x07E8] = true, [0x07D9] = true, [0x07EA] = true,
- [0x07CA] = true, [0x07DB] = true, [0x07CC] = true, [0x07DD] = true,
- [0x07CE] = true, [0x07DF] = true, [0x07D4] = true, [0x07E5] = true,
- [0x07E9] = true, [0x07E7] = true, [0x07E3] = true, [0x07E2] = true,
- [0x07E0] = true, [0x07E1] = true, [0x07DE] = true, [0x07DC] = true,
- [0x07D1] = true, [0x07DA] = true, [0x07D8] = true, [0x07D6] = true,
- [0x07D2] = true, [0x07D0] = true, [0x07CF] = true, [0x07CD] = true,
- [0x07CB] = true, [0x07D3] = true, [0x07E4] = true, [0x07D5] = true,
- [0x07E6] = true,
- -- also here:
- [tatweel]= true, [zwj] = true,
- -- 7
- [0x08A1] = true, [0x08AF] = true, [0x08B0] = true,
-}
-
-local arab_warned = { }
-
-local function warning(current,what)
- local char = getchar(current)
- if not arab_warned[char] then
- log.report("analyze","arab: character %C has no %a class",char,what)
- arab_warned[char] = true
- end
-end
-
--- potential optimization: local medial_final = table.merged(medial,final)
-
-local function finish(first,last)
- if last then
- if first == last then
- local fc = getchar(first)
- if medial[fc] or final[fc] then
- setprop(first,a_state,s_isol)
- else
- warning(first,"isol")
- setprop(first,a_state,s_error)
- end
- else
- local lc = getchar(last)
- if medial[lc] or final[lc] then
- -- if laststate == 1 or laststate == 2 or laststate == 4 then
- setprop(last,a_state,s_fina)
- else
- warning(last,"fina")
- setprop(last,a_state,s_error)
- end
- end
- first, last = nil, nil
- elseif first then
- -- first and last are either both set so we never com here
- local fc = getchar(first)
- if medial[fc] or final[fc] then
- setprop(first,a_state,s_isol)
- else
- warning(first,"isol")
- setprop(first,a_state,s_error)
- end
- first = nil
- end
- return first, last
-end
-
-function methods.arab(head,font,attr)
- local useunicodemarks = analyzers.useunicodemarks
- local tfmdata = fontdata[font]
- local marks = tfmdata.resources.marks
- local first, last, current, done = nil, nil, head, false
- current = tonut(current)
- while current do
- local id = getid(current)
- if id == glyph_code and getfont(current) == font and getsubtype(current)<256 and not getprop(current,a_state) then
- done = true
- local char = getchar(current)
- if marks[char] or (useunicodemarks and categories[char] == "mn") then
- setprop(current,a_state,s_mark)
- elseif isolated[char] then -- can be zwj or zwnj too
- first, last = finish(first,last)
- setprop(current,a_state,s_isol)
- first, last = nil, nil
- elseif not first then
- if medial[char] then
- setprop(current,a_state,s_init)
- first, last = first or current, current
- elseif final[char] then
- setprop(current,a_state,s_isol)
- first, last = nil, nil
- else -- no arab
- first, last = finish(first,last)
- end
- elseif medial[char] then
- first, last = first or current, current
- setprop(current,a_state,s_medi)
- elseif final[char] then
- if getprop(last,a_state) ~= s_init then
- -- tricky, we need to check what last may be !
- setprop(last,a_state,s_medi)
- end
- setprop(current,a_state,s_fina)
- first, last = nil, nil
- elseif char >= 0x0600 and char <= 0x06FF then -- needs checking
- setprop(current,a_state,s_rest)
- first, last = finish(first,last)
- else -- no
- first, last = finish(first,last)
- end
- else
- if first or last then
- first, last = finish(first,last)
- end
- if id == math_code then
- current = end_of_math(current)
- end
- end
- current = getnext(current)
- end
- if first or last then
- finish(first,last)
- end
- return head, done
-end
-
-methods.syrc = methods.arab
-methods.mand = methods.arab
-methods.nko = methods.arab
-
-directives.register("otf.analyze.useunicodemarks",function(v)
- analyzers.useunicodemarks = v
-end)
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-11 07:18:53 +0000