From f71beac9ee3f29083c86c0c87049cb54f4ad91aa Mon Sep 17 00:00:00 2001 From: Philipp Gesang Date: Tue, 9 Apr 2013 12:04:32 +0200 Subject: remove merged files --- otfl-font-ota.lua | 373 ------------------------------------------------------ 1 file changed, 373 deletions(-) delete mode 100644 otfl-font-ota.lua (limited to 'otfl-font-ota.lua') diff --git a/otfl-font-ota.lua b/otfl-font-ota.lua deleted file mode 100644 index c4663e1..0000000 --- a/otfl-font-ota.lua +++ /dev/null @@ -1,373 +0,0 @@ -if not modules then modules = { } end modules ['font-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" -} - --- this might become scrp-*.lua - -local type, tostring, match, format, concat = type, tostring, string.match, string.format, table.concat - -if not trackers then trackers = { register = function() end } end - -local 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 -analyzers.useunicodemarks = false - -local nodecodes = nodes.nodecodes -local glyph_code = nodecodes.glyph - -local set_attribute = node.set_attribute -local has_attribute = node.has_attribute -local traverse_id = node.traverse_id -local traverse_node_list = node.traverse - -local fontdata = fonts.hashes.identifiers -local state = attributes.private('state') -local categories = characters and characters.categories or { } -- sorry, only in context - -local tracers = nodes.tracers -local colortracers = tracers and tracers.colors -local setnodecolor = colortracers and colortracers.set or function() end -local resetnodecolor = colortracers and colortracers.reset or function() end - -local otffeatures = fonts.constructors.newfeatures("otf") -local registerotffeature = otffeatures.register - ---[[ldx-- -

Analyzers run per script and/or language and are needed in order to -process features right.

---ldx]]-- - --- 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 - -local state = attributes.private('state') - -function analyzers.setstate(head,font) - local useunicodemarks = analyzers.useunicodemarks - local tfmdata = fontdata[font] - local characters = tfmdata.characters - local descriptions = tfmdata.descriptions - local first, last, current, n, done = nil, nil, head, 0, false -- maybe make n boolean - while current do - local id = current.id - if id == glyph_code and current.font == font then - local char = current.char - local d = descriptions[char] - if d then - if d.class == "mark" or (useunicodemarks and categories[char] == "mn") then - done = true - set_attribute(current,state,5) -- mark - elseif n == 0 then - first, last, n = current, current, 1 - set_attribute(current,state,1) -- init - else - last, n = current, n+1 - set_attribute(current,state,2) -- medi - end - else -- finish - if first and first == last then - set_attribute(last,state,4) -- isol - elseif last then - set_attribute(last,state,3) -- fina - end - first, last, n = nil, nil, 0 - end - elseif id == disc_code then - -- always in the middle - set_attribute(current,state,2) -- midi - last = current - else -- finish - if first and first == last then - set_attribute(last,state,4) -- isol - elseif last then - set_attribute(last,state,3) -- fina - end - first, last, n = nil, nil, 0 - end - current = current.next - end - if first and first == last then - set_attribute(last,state,4) -- isol - elseif last then - set_attribute(last,state,3) -- 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 action then - if type(action) == "function" then - return action(tfmdata,value) - else - local action = action[language] - if action then - return action(tfmdata,value) - end - 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 action then - if type(action) == "function" then - return action(head,font,attr) - else - action = action[language] - if action then - return action(head,font,attr) - end - end - end - return head, false -end - -registerotffeature { - name = "analyze", - description = "analysis of (for instance) character classes", - default = true, - initializers = { - node = analyzeinitializer, - }, - processors = { - position = 1, - node = analyzeprocessor, - } -} - --- latin - -methods.latn = analyzers.setstate - --- this info eventually will go into char-def and we will have a state --- table for generic then - -local zwnj = 0x200C -local zwj = 0x200D - -local isol = { - [0x0600] = true, [0x0601] = true, [0x0602] = true, [0x0603] = true, - [0x0608] = true, [0x060B] = true, [0x0621] = true, [0x0674] = true, - [0x06DD] = true, [zwnj] = true, -} - -local 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, [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, -} - -local 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, - [0x0640] = 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, [zwj] = 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, - [0x0725] = true, [0x0726] = true, [0x0727] = true, [0x0729] = true, - [0x072B] = true, [0x0724] = true, [0x0706] = true, [0x0707] = true, -} - -local arab_warned = { } - - --- todo: gref - -local function warning(current,what) - local char = current.char - if not arab_warned[char] then - log.report("analyze","arab: character %s (U+%05X) has no %s class", char, char, what) - arab_warned[char] = true - end -end - -function methods.nocolor(head,font,attr) - for n in traverse_id(glyph_code,head) do - if not font or n.font == font then - resetnodecolor(n) - end - end - return head, true -end - -local function finish(first,last) - if last then - if first == last then - local fc = first.char - if isol_fina_medi_init[fc] or isol_fina[fc] then - set_attribute(first,state,4) -- isol - if trace_analyzing then setnodecolor(first,"font:isol") end - else - warning(first,"isol") - set_attribute(first,state,0) -- error - if trace_analyzing then resetnodecolor(first) end - end - else - local lc = last.char - if isol_fina_medi_init[lc] or isol_fina[lc] then -- why isol here ? - -- if laststate == 1 or laststate == 2 or laststate == 4 then - set_attribute(last,state,3) -- fina - if trace_analyzing then setnodecolor(last,"font:fina") end - else - warning(last,"fina") - set_attribute(last,state,0) -- error - if trace_analyzing then resetnodecolor(last) end - end - end - first, last = nil, nil - elseif first then - -- first and last are either both set so we never com here - local fc = first.char - if isol_fina_medi_init[fc] or isol_fina[fc] then - set_attribute(first,state,4) -- isol - if trace_analyzing then setnodecolor(first,"font:isol") end - else - warning(first,"isol") - set_attribute(first,state,0) -- error - if trace_analyzing then resetnodecolor(first) end - end - first = nil - end - return first, last -end - -function methods.arab(head,font,attr) -- maybe make a special version with no trace - local useunicodemarks = analyzers.useunicodemarks - local tfmdata = fontdata[font] - local marks = tfmdata.resources.marks - local first, last, current, done = nil, nil, head, false - while current do - if current.id == glyph_code and current.subtype<256 and current.font == font and not has_attribute(current,state) then - done = true - local char = current.char - if marks[char] or (useunicodemarks and categories[char] == "mn") then - set_attribute(current,state,5) -- mark - if trace_analyzing then setnodecolor(current,"font:mark") end - elseif isol[char] then -- can be zwj or zwnj too - first, last = finish(first,last) - set_attribute(current,state,4) -- isol - if trace_analyzing then setnodecolor(current,"font:isol") end - first, last = nil, nil - elseif not first then - if isol_fina_medi_init[char] then - set_attribute(current,state,1) -- init - if trace_analyzing then setnodecolor(current,"font:init") end - first, last = first or current, current - elseif isol_fina[char] then - set_attribute(current,state,4) -- isol - if trace_analyzing then setnodecolor(current,"font:isol") end - first, last = nil, nil - else -- no arab - first, last = finish(first,last) - end - elseif isol_fina_medi_init[char] then - first, last = first or current, current - set_attribute(current,state,2) -- medi - if trace_analyzing then setnodecolor(current,"font:medi") end - elseif isol_fina[char] then - if not has_attribute(last,state,1) then - -- tricky, we need to check what last may be ! - set_attribute(last,state,2) -- medi - if trace_analyzing then setnodecolor(last,"font:medi") end - end - set_attribute(current,state,3) -- fina - if trace_analyzing then setnodecolor(current,"font:fina") end - first, last = nil, nil - elseif char >= 0x0600 and char <= 0x06FF then - if trace_analyzing then setnodecolor(current,"font:rest") end - first, last = finish(first,last) - else --no - first, last = finish(first,last) - end - else - first, last = finish(first,last) - end - current = current.next - end - first, last = finish(first,last) - return head, done -end - -methods.syrc = methods.arab - -directives.register("otf.analyze.useunicodemarks",function(v) - analyzers.useunicodemarks = v -end) -- cgit v1.2.3