diff options
Diffstat (limited to 'tex/context/base/font-otn.lua')
| -rw-r--r-- | tex/context/base/font-otn.lua | 211 |
1 files changed, 121 insertions, 90 deletions
diff --git a/tex/context/base/font-otn.lua b/tex/context/base/font-otn.lua index d4f89adc6..6dcadddd8 100644 --- a/tex/context/base/font-otn.lua +++ b/tex/context/base/font-otn.lua @@ -145,6 +145,12 @@ local trace_steps = false trackers.register("otf.steps", function local trace_skips = false trackers.register("otf.skips", function(v) trace_skips = v end) local trace_directions = false trackers.register("otf.directions", function(v) trace_directions = v end) +local report_direct = logs.new("otf direct") +local report_subchain = logs.new("otf subchain") +local report_chain = logs.new("otf chain") +local report_process = logs.new("otf process") +local report_prepare = logs.new("otf prepare") + trackers.register("otf.verbose_chain", function(v) otf.setcontextchain(v and "verbose") end) trackers.register("otf.normal_chain", function(v) otf.setcontextchain(v and "normal") end) @@ -242,10 +248,10 @@ local function logprocess(...) if trace_steps then registermessage(...) end - logs.report("otf direct",...) + report_direct(...) end local function logwarning(...) - logs.report("otf direct",...) + report_direct(...) end local function gref(n) @@ -822,7 +828,7 @@ local krn = kerns[nextchar] end end else - logs.report("%s: check this out (old kern stuff)",pref(kind,lookupname)) + report_process("%s: check this out (old kern stuff)",pref(kind,lookupname)) local a, b = krn[3], krn[7] if a and a ~= 0 then local k = set_kern(snext,factor,rlmode,a) @@ -861,12 +867,11 @@ local function logprocess(...) if trace_steps then registermessage(...) end - logs.report("otf subchain",...) -end -local function logwarning(...) - logs.report("otf subchain",...) + report_subchain(...) end +local logwarning = report_subchain + -- ['coverage']={ -- ['after']={ "r" }, -- ['before']={ "q" }, @@ -904,12 +909,11 @@ local function logprocess(...) if trace_steps then registermessage(...) end - logs.report("otf chain",...) -end -local function logwarning(...) - logs.report("otf chain",...) + report_chain(...) end +local logwarning = report_chain + -- We could share functions but that would lead to extra function calls with many -- arguments, redundant tests and confusing messages. @@ -1058,7 +1062,7 @@ end <p>Here we replace start by new glyph. First we delete the rest of the match.</p> --ldx]]-- -function chainprocs.gsub_alternate(start,stop,kind,lookupname,currentcontext,cache,currentlookup) +function chainprocs.gsub_alternate(start,stop,kind,chainname,currentcontext,cache,currentlookup,chainlookupname) -- todo: marks ? delete_till_stop(start,stop) local current = start @@ -1155,7 +1159,7 @@ function chainprocs.gsub_ligature(start,stop,kind,chainname,currentcontext,cache logprocess("%s: replacing character %s upto %s by ligature %s",cref(kind,chainname,chainlookupname,lookupname,chainindex),gref(startchar),gref(stop.char),gref(l2)) end end - start = toligature(kind,lookup,start,stop,l2,currentlookup.flags[1],discfound) + start = toligature(kind,lookupname,start,stop,l2,currentlookup.flags[1],discfound) return start, true, nofreplacements elseif trace_bugs then if start == stop then @@ -1490,7 +1494,7 @@ function chainprocs.gpos_pair(start,stop,kind,chainname,currentcontext,cache,cur end end else - logs.report("%s: check this out (old kern stuff)",cref(kind,chainname,chainlookupname)) + report_process("%s: check this out (old kern stuff)",cref(kind,chainname,chainlookupname)) local a, b = krn[3], krn[7] if a and a ~= 0 then local k = set_kern(snext,factor,rlmode,a) @@ -1864,12 +1868,11 @@ local function logprocess(...) if trace_steps then registermessage(...) end - logs.report("otf process",...) -end -local function logwarning(...) - logs.report("otf process",...) + report_process(...) end +local logwarning = report_process + local function report_missing_cache(typ,lookup) local f = missing[currentfont] if not f then f = { } missing[currentfont] = f end local t = f[typ] if not t then t = { } f[typ] = t end @@ -1882,6 +1885,9 @@ end local resolved = { } -- we only resolve a font,script,language pair once -- todo: pass all these 'locals' in a table +-- +-- dynamics will be isolated some day ... for the moment we catch attribute zero +-- not being set function fonts.methods.node.otf.features(head,font,attr) if trace_steps then @@ -1926,8 +1932,7 @@ function fonts.methods.node.otf.features(head,font,attr) local ra = rl [attr] if ra == nil then ra = { } rl [attr] = ra end -- attr can be false -- sequences always > 1 so no need for optimization for s=1,#sequences do - local pardir, txtdir = 0, { } - local success = false + local pardir, txtdir, success = 0, { }, false local sequence = sequences[s] local r = ra[s] -- cache if r == nil then @@ -1965,7 +1970,7 @@ function fonts.methods.node.otf.features(head,font,attr) end if trace_applied then local typ, action = match(sequence.type,"(.*)_(.*)") - logs.report("otf node mode", + report_process( "%s font: %03i, dynamic: %03i, kind: %s, lookup: %3i, script: %-4s, language: %-4s (%-4s), type: %s, action: %s, name: %s", (valid and "+") or "-",font,attr or 0,kind,s,script,language,what,typ,action,sequence.name) end @@ -1994,24 +1999,33 @@ function fonts.methods.node.otf.features(head,font,attr) while start do local id = start.id if id == glyph then - if start.subtype<256 and start.font == font and (not attr or has_attribute(start,0,attr)) then ---~ if start.subtype<256 and start.font == font and has_attribute(start,0,attr) then - for i=1,#subtables do - local lookupname = subtables[i] - local lookupcache = thecache[lookupname] - if lookupcache then - local lookupmatch = lookupcache[start.char] - if lookupmatch then - start, success = handler(start,r[4],lookupname,lookupmatch,sequence,featuredata,i) - if success then - break + if start.subtype<256 and start.font == font then + local a = has_attribute(start,0) + if a then + a = a == attr + else + a = true + end + if a then + for i=1,#subtables do + local lookupname = subtables[i] + local lookupcache = thecache[lookupname] + if lookupcache then + local lookupmatch = lookupcache[start.char] + if lookupmatch then + start, success = handler(start,r[4],lookupname,lookupmatch,sequence,featuredata,i) + if success then + break + end end + else + report_missing_cache(typ,lookupname) end - else - report_missing_cache(typ,lookupname) end + if start then start = start.prev end + else + start = start.prev end - if start then start = start.prev end else start = start.prev end @@ -2034,18 +2048,27 @@ function fonts.methods.node.otf.features(head,font,attr) while start do local id = start.id if id == glyph then ---~ if start.font == font and start.subtype<256 and has_attribute(start,0,attr) and (not attribute or has_attribute(start,state,attribute)) then - if start.font == font and start.subtype<256 and (not attr or has_attribute(start,0,attr)) and (not attribute or has_attribute(start,state,attribute)) then - local lookupmatch = lookupcache[start.char] - if lookupmatch then - -- sequence kan weg - local ok - start, ok = handler(start,r[4],lookupname,lookupmatch,sequence,featuredata,1) - if ok then - success = true + if start.subtype<256 and start.font == font then + local a = has_attribute(start,0) + if a then + a = (a == attr) and (not attribute or has_attribute(start,state,attribute)) + else + a = not attribute or has_attribute(start,state,attribute) + end + if a then + local lookupmatch = lookupcache[start.char] + if lookupmatch then + -- sequence kan weg + local ok + start, ok = handler(start,r[4],lookupname,lookupmatch,sequence,featuredata,1) + if ok then + success = true + end end + if start then start = start.next end + else + start = start.next end - if start then start = start.next end else start = start.next end @@ -2082,7 +2105,7 @@ function fonts.methods.node.otf.features(head,font,attr) rlmode = pardir end if trace_directions then - logs.report("fonts","directions after textdir %s: pardir=%s, txtdir=%s:%s, rlmode=%s",dir,pardir,#txtdir,txtdir[#txtdir] or "unset",rlmode) + report_process("directions after textdir %s: pardir=%s, txtdir=%s:%s, rlmode=%s",dir,pardir,#txtdir,txtdir[#txtdir] or "unset",rlmode) end elseif subtype == 6 then local dir = start.dir @@ -2096,7 +2119,7 @@ function fonts.methods.node.otf.features(head,font,attr) rlmode = pardir --~ txtdir = { } if trace_directions then - logs.report("fonts","directions after pardir %s: pardir=%s, txtdir=%s:%s, rlmode=%s",dir,pardir,#txtdir,txtdir[#txtdir] or "unset",rlmode) + report_process("directions after pardir %s: pardir=%s, txtdir=%s:%s, rlmode=%s",dir,pardir,#txtdir,txtdir[#txtdir] or "unset",rlmode) end end start = start.next @@ -2109,27 +2132,36 @@ function fonts.methods.node.otf.features(head,font,attr) while start do local id = start.id if id == glyph then - if start.subtype<256 and start.font == font and (not attr or has_attribute(start,0,attr)) and (not attribute or has_attribute(start,state,attribute)) then ---~ if start.subtype<256 and start.font == font and has_attribute(start,0,attr) and (not attribute or has_attribute(start,state,attribute)) then - for i=1,ns do - local lookupname = subtables[i] - local lookupcache = thecache[lookupname] - if lookupcache then - local lookupmatch = lookupcache[start.char] - if lookupmatch then - -- we could move all code inline but that makes things even more unreadable - local ok - start, ok = handler(start,r[4],lookupname,lookupmatch,sequence,featuredata,i) - if ok then - success = true - break + if start.subtype<256 and start.font == font then + local a = has_attribute(start,0) + if a then + a = (a == attr) and (not attribute or has_attribute(start,state,attribute)) + else + a = not attribute or has_attribute(start,state,attribute) + end + if a then + for i=1,ns do + local lookupname = subtables[i] + local lookupcache = thecache[lookupname] + if lookupcache then + local lookupmatch = lookupcache[start.char] + if lookupmatch then + -- we could move all code inline but that makes things even more unreadable + local ok + start, ok = handler(start,r[4],lookupname,lookupmatch,sequence,featuredata,i) + if ok then + success = true + break + end end + else + report_missing_cache(typ,lookupname) end - else - report_missing_cache(typ,lookupname) end + if start then start = start.next end + else + start = start.next end - if start then start = start.next end else start = start.next end @@ -2150,7 +2182,6 @@ function fonts.methods.node.otf.features(head,font,attr) -- end elseif id == whatsit then local subtype = start.subtype - local subtype = start.subtype if subtype == 7 then local dir = start.dir if dir == "+TRT" or dir == "+TLT" then @@ -2167,7 +2198,7 @@ function fonts.methods.node.otf.features(head,font,attr) rlmode = pardir end if trace_directions then - logs.report("fonts","directions after textdir %s: pardir=%s, txtdir=%s:%s, rlmode=%s",dir,pardir,#txtdir,txtdir[#txtdir] or "unset",rlmode) + report_process("directions after textdir %s: pardir=%s, txtdir=%s:%s, rlmode=%s",dir,pardir,#txtdir,txtdir[#txtdir] or "unset",rlmode) end elseif subtype == 6 then local dir = start.dir @@ -2181,7 +2212,7 @@ function fonts.methods.node.otf.features(head,font,attr) rlmode = pardir --~ txtdir = { } if trace_directions then - logs.report("fonts","directions after pardir %s: pardir=%s, txtdir=%s:%s, rlmode=%s",dir,pardir,#txtdir,txtdir[#txtdir] or "unset",rlmode) + report_process("directions after pardir %s: pardir=%s, txtdir=%s:%s, rlmode=%s",dir,pardir,#txtdir,txtdir[#txtdir] or "unset",rlmode) end end start = start.next @@ -2280,7 +2311,7 @@ local function prepare_lookups(tfmdata) -- as well (no big deal) -- local action = { - substitution = function(p,lookup,k,glyph,unicode) + substitution = function(p,lookup,glyph,unicode) local old, new = unicode, unicodes[p[2]] if type(new) == "table" then new = new[1] @@ -2289,10 +2320,10 @@ local function prepare_lookups(tfmdata) if not s then s = { } single[lookup] = s end s[old] = new --~ if trace_lookups then - --~ logs.report("define otf","lookup %s: substitution %s => %s",lookup,old,new) + --~ report_prepare("lookup %s: substitution %s => %s",lookup,old,new) --~ end end, - multiple = function (p,lookup,k,glyph,unicode) + multiple = function (p,lookup,glyph,unicode) local old, new = unicode, { } local m = multiple[lookup] if not m then m = { } multiple[lookup] = m end @@ -2306,10 +2337,10 @@ local function prepare_lookups(tfmdata) end end --~ if trace_lookups then - --~ logs.report("define otf","lookup %s: multiple %s => %s",lookup,old,concat(new," ")) + --~ report_prepare("lookup %s: multiple %s => %s",lookup,old,concat(new," ")) --~ end end, - alternate = function(p,lookup,k,glyph,unicode) + alternate = function(p,lookup,glyph,unicode) local old, new = unicode, { } local a = alternate[lookup] if not a then a = { } alternate[lookup] = a end @@ -2323,12 +2354,12 @@ local function prepare_lookups(tfmdata) end end --~ if trace_lookups then - --~ logs.report("define otf","lookup %s: alternate %s => %s",lookup,old,concat(new,"|")) + --~ report_prepare("lookup %s: alternate %s => %s",lookup,old,concat(new,"|")) --~ end end, - ligature = function (p,lookup,k,glyph,unicode) + ligature = function (p,lookup,glyph,unicode) --~ if trace_lookups then - --~ logs.report("define otf","lookup %s: ligature %s => %s",lookup,p[2],glyph.name) + --~ report_prepare("lookup %s: ligature %s => %s",lookup,p[2],glyph.name) --~ end local first = true local t = ligature[lookup] @@ -2337,7 +2368,7 @@ local function prepare_lookups(tfmdata) if first then local u = unicodes[s] if not u then - logs.report("define otf","lookup %s: ligature %s => %s ignored due to invalid unicode",lookup,p[2],glyph.name) + report_prepare("lookup %s: ligature %s => %s ignored due to invalid unicode",lookup,p[2],glyph.name) break elseif type(u) == "number" then if not t[u] then @@ -2374,13 +2405,13 @@ local function prepare_lookups(tfmdata) end t[2] = unicode end, - position = function(p,lookup,k,glyph,unicode) + position = function(p,lookup,glyph,unicode) -- not used local s = position[lookup] if not s then s = { } position[lookup] = s end s[unicode] = p[2] -- direct pointer to kern spec end, - pair = function(p,lookup,k,glyph,unicode) + pair = function(p,lookup,glyph,unicode) local s = pair[lookup] if not s then s = { } pair[lookup] = s end local others = s[unicode] @@ -2407,7 +2438,7 @@ local function prepare_lookups(tfmdata) end end --~ if trace_lookups then - --~ logs.report("define otf","lookup %s: pair for U+%04X",lookup,unicode) + --~ report_prepare("lookup %s: pair for U+%04X",lookup,unicode) --~ end end, } @@ -2416,7 +2447,7 @@ local function prepare_lookups(tfmdata) local lookups = glyph.slookups if lookups then for lookup, p in next, lookups do - action[p[1]](p,lookup,k,glyph,unicode) + action[p[1]](p,lookup,glyph,unicode) end end local lookups = glyph.mlookups @@ -2424,7 +2455,7 @@ local function prepare_lookups(tfmdata) for lookup, whatever in next, lookups do for i=1,#whatever do -- normaly one local p = whatever[i] - action[p[1]](p,lookup,k,glyph,unicode) + action[p[1]](p,lookup,glyph,unicode) end end end @@ -2435,7 +2466,7 @@ local function prepare_lookups(tfmdata) if not k then k = { } kerns[lookup] = k end k[unicode] = krn -- ref to glyph, saves lookup --~ if trace_lookups then - --~ logs.report("define otf","lookup %s: kern for U+%04X",lookup,unicode) + --~ report_prepare("lookup %s: kern for U+%04X",lookup,unicode) --~ end end end @@ -2451,7 +2482,7 @@ local function prepare_lookups(tfmdata) if not f then f = { } mark[lookup] = f end f[unicode] = anchors -- ref to glyph, saves lookup --~ if trace_lookups then - --~ logs.report("define otf","lookup %s: mark anchor %s for U+%04X",lookup,name,unicode) + --~ report_prepare("lookup %s: mark anchor %s for U+%04X",lookup,name,unicode) --~ end end end @@ -2465,7 +2496,7 @@ local function prepare_lookups(tfmdata) if not f then f = { } cursive[lookup] = f end f[unicode] = anchors -- ref to glyph, saves lookup --~ if trace_lookups then - --~ logs.report("define otf","lookup %s: exit anchor %s for U+%04X",lookup,name,unicode) + --~ report_prepare("lookup %s: exit anchor %s for U+%04X",lookup,name,unicode) --~ end end end @@ -2479,7 +2510,7 @@ end -- local cache = { } luatex = luatex or {} -- this has to change ... we need a better one -function prepare_contextchains(tfmdata) +local function prepare_contextchains(tfmdata) local otfdata = tfmdata.shared.otfdata local lookups = otfdata.lookups if lookups then @@ -2498,7 +2529,7 @@ function prepare_contextchains(tfmdata) for lookupname, lookupdata in next, otfdata.lookups do local lookuptype = lookupdata.type if not lookuptype then - logs.report("otf process","missing lookuptype for %s",lookupname) + report_prepare("missing lookuptype for %s",lookupname) else local rules = lookupdata.rules if rules then @@ -2506,7 +2537,7 @@ function prepare_contextchains(tfmdata) -- contextchain[lookupname][unicode] if fmt == "coverage" then if lookuptype ~= "chainsub" and lookuptype ~= "chainpos" then - logs.report("otf process","unsupported coverage %s for %s",lookuptype,lookupname) + report_prepare("unsupported coverage %s for %s",lookuptype,lookupname) else local contexts = contextchain[lookupname] if not contexts then @@ -2542,7 +2573,7 @@ function prepare_contextchains(tfmdata) end elseif fmt == "reversecoverage" then if lookuptype ~= "reversesub" then - logs.report("otf process","unsupported reverse coverage %s for %s",lookuptype,lookupname) + report_prepare("unsupported reverse coverage %s for %s",lookuptype,lookupname) else local contexts = reversecontextchain[lookupname] if not contexts then @@ -2582,7 +2613,7 @@ function prepare_contextchains(tfmdata) end elseif fmt == "glyphs" then if lookuptype ~= "chainsub" and lookuptype ~= "chainpos" then - logs.report("otf process","unsupported coverage %s for %s",lookuptype,lookupname) + report_prepare("unsupported coverage %s for %s",lookuptype,lookupname) else local contexts = contextchain[lookupname] if not contexts then @@ -2653,7 +2684,7 @@ function fonts.initializers.node.otf.features(tfmdata,value) prepare_lookups(tfmdata) otfdata.shared.initialized = true if trace_preparing then - logs.report("otf process","preparation time is %0.3f seconds for %s",os.clock()-t,tfmdata.fullname or "?") + report_prepare("preparation time is %0.3f seconds for %s",os.clock()-t,tfmdata.fullname or "?") end end end |