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author | Context Git Mirror Bot <phg42.2a@gmail.com> | 2016-01-07 14:15:07 +0100 |
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committer | Context Git Mirror Bot <phg42.2a@gmail.com> | 2016-01-07 14:15:07 +0100 |
commit | 62fc7b991bcce5ebe33d93e7bb067bc77f4683e3 (patch) | |
tree | 1b8ba58119fd4db88ca002ea87b966da7a7b9ea2 /tex | |
parent | dff5c494ea481bade11845293d0b02d372c9cce7 (diff) | |
download | context-62fc7b991bcce5ebe33d93e7bb067bc77f4683e3.tar.gz |
2016-01-07 13:40:00
Diffstat (limited to 'tex')
-rw-r--r-- | tex/context/base/cont-new.mkiv | 2 | ||||
-rw-r--r-- | tex/context/base/context-version.pdf | bin | 4165 -> 4171 bytes | |||
-rw-r--r-- | tex/context/base/context.mkiv | 2 | ||||
-rw-r--r-- | tex/context/base/font-dsp.lua | 2 | ||||
-rw-r--r-- | tex/context/base/font-otc.lua | 460 | ||||
-rw-r--r-- | tex/context/base/font-otf.lua | 12 | ||||
-rw-r--r-- | tex/context/base/font-otl.lua | 14 | ||||
-rw-r--r-- | tex/context/base/font-ots.lua | 8 | ||||
-rw-r--r-- | tex/context/base/font-oup.lua | 13 | ||||
-rw-r--r-- | tex/context/base/status-files.pdf | bin | 24383 -> 24361 bytes | |||
-rw-r--r-- | tex/context/base/status-lua.pdf | bin | 257802 -> 257830 bytes | |||
-rw-r--r-- | tex/generic/context/luatex/luatex-fonts-merged.lua | 4 |
12 files changed, 346 insertions, 171 deletions
diff --git a/tex/context/base/cont-new.mkiv b/tex/context/base/cont-new.mkiv index 9bfe09d64..bef916274 100644 --- a/tex/context/base/cont-new.mkiv +++ b/tex/context/base/cont-new.mkiv @@ -11,7 +11,7 @@ %C therefore copyrighted by \PRAGMA. See mreadme.pdf for %C details. -\newcontextversion{2016.01.06 17:29} +\newcontextversion{2016.01.07 13:38} %D This file is loaded at runtime, thereby providing an excellent place for %D hacks, patches, extensions and new features. diff --git a/tex/context/base/context-version.pdf b/tex/context/base/context-version.pdf Binary files differindex 3cc58dc20..5f938ae29 100644 --- a/tex/context/base/context-version.pdf +++ b/tex/context/base/context-version.pdf diff --git a/tex/context/base/context.mkiv b/tex/context/base/context.mkiv index 45b39c573..2a44f12ea 100644 --- a/tex/context/base/context.mkiv +++ b/tex/context/base/context.mkiv @@ -39,7 +39,7 @@ %D up and the dependencies are more consistent. \edef\contextformat {\jobname} -\edef\contextversion{2016.01.06 17:29} +\edef\contextversion{2016.01.07 13:38} \edef\contextkind {beta} %D For those who want to use this: diff --git a/tex/context/base/font-dsp.lua b/tex/context/base/font-dsp.lua index 93c961536..77ddea12b 100644 --- a/tex/context/base/font-dsp.lua +++ b/tex/context/base/font-dsp.lua @@ -1494,7 +1494,7 @@ do -- this is expected in th efont handler (faster checking) if flags[1] then flags[1] = "mark" end if flags[2] then flags[2] = "ligature" end - if flags[3] then flags[2] = "base" end + if flags[3] then flags[3] = "base" end -- local markclass = lookup.markclass -- local chain = lookup.chain diff --git a/tex/context/base/font-otc.lua b/tex/context/base/font-otc.lua index 21cf7fc7c..393dbbe87 100644 --- a/tex/context/base/font-otc.lua +++ b/tex/context/base/font-otc.lua @@ -22,26 +22,30 @@ local registerotffeature = otf.features.register local setmetatableindex = table.setmetatableindex local normalized = { - substitution = "substitution", - single = "substitution", - ligature = "ligature", - alternate = "alternate", - multiple = "multiple", - kern = "kern", + substitution = "substitution", + single = "substitution", + ligature = "ligature", + alternate = "alternate", + multiple = "multiple", + kern = "kern", + chainsubstitution = "chainsubstitution", + chainposition = "chainposition", } local types = { - substitution = "gsub_single", - ligature = "gsub_ligature", - alternate = "gsub_alternate", - multiple = "gsub_multiple", - kern = "gpos_pair", + substitution = "gsub_single", + ligature = "gsub_ligature", + alternate = "gsub_alternate", + multiple = "gsub_multiple", + kern = "gpos_pair", + chainsubstitution = "gsub_contextchain", + chainposition = "gpos_contextchain", } setmetatableindex(types, function(t,k) t[k] = k return k end) -- "key" local everywhere = { ["*"] = { ["*"] = true } } -- or: { ["*"] = { "*" } } -local noflags = { } +local noflags = { false, false, false, false } -- beware: shared, maybe we should copy the sequence @@ -57,6 +61,9 @@ local function addfeature(data,feature,specifications) if gsubfeatures and gsubfeatures[feature] then return -- already present end + + -- todo alse gpos + local fontfeatures = resources.features or everywhere local unicodes = resources.unicodes local splitter = lpeg.splitter(" ",unicodes) @@ -82,6 +89,246 @@ local function addfeature(data,feature,specifications) local stepkey = coverup.stepkey local register = coverup.register + local function prepare_substitution(list,featuretype) + local coverage = { } + local cover = coveractions[featuretype] + for code, replacement in next, list do + local unicode = tounicode(code) + local description = descriptions[unicode] + if description then + if type(replacement) == "table" then + replacement = replacement[1] + end + replacement = tounicode(replacement) + if replacement and descriptions[replacement] then + cover(coverage,unicode,replacement) + done = done + 1 + else + skip = skip + 1 + end + else + skip = skip + 1 + end + end + return coverage + end + + local function prepare_alternate(list,featuretype) + local coverage = { } + local cover = coveractions[featuretype] + for code, replacement in next, list do + local unicode = tounicode(code) + local description = descriptions[unicode] + if not description then + skip = skip + 1 + elseif type(replacement) == "table" then + local r = { } + for i=1,#replacement do + local u = tounicode(replacement[i]) + r[i] = descriptions[u] and u or unicode + end + cover(coverage,unicode,r) + done = done + 1 + else + local u = tounicode(replacement) + if u then + cover(coverage,unicode,{ u }) + done = done + 1 + else + skip = skip + 1 + end + end + end + return coverage + end + + local function prepare_multiple(list,featuretype) + local coverage = { } + local cover = coveractions[featuretype] + for code, replacement in next, list do + local unicode = tounicode(code) + local description = descriptions[unicode] + if not description then + skip = skip + 1 + elseif type(replacement) == "table" then + local r, n = { }, 0 + for i=1,#replacement do + local u = tounicode(replacement[i]) + if descriptions[u] then + n = n + 1 + r[n] = u + end + end + if n > 0 then + cover(coverage,unicode,r) + done = done + 1 + else + skip = skip + 1 + end + else + local u = tounicode(replacement) + if u then + cover(coverage,unicode,{ u }) + done = done + 1 + else + skip = skip + 1 + end + end + end + return coverage + end + + local function prepare_ligature(list,featuretype) + local coverage = { } + local cover = coveractions[featuretype] + for code, ligature in next, list do + local unicode = tounicode(code) + local description = descriptions[unicode] + if description then + if type(ligature) == "string" then + ligature = { lpegmatch(splitter,ligature) } + end + local present = true + for i=1,#ligature do + local l = ligature[i] + local u = tounicode(l) + if descriptions[u] then + ligature[i] = u + else + present = false + break + end + end + if present then + cover(coverage,unicode,ligature) + done = done + 1 + else + skip = skip + 1 + end + else + skip = skip + 1 + end + end + return coverage + end + + local function prepare_kern(list,featuretype) + local coverage = { } + local cover = coveractions[featuretype] + for code, replacement in next, list do + local unicode = tounicode(code) + local description = descriptions[unicode] + if description and type(replacement) == "table" then + local r = { } + for k, v in next, replacement do + local u = tounicode(k) + if u then + r[u] = v + end + end + if next(r) then + cover(coverage,unicode,r) + done = done + 1 + else + skip = skip + 1 + end + else + skip = skip + 1 + end + end + return coverage, "kern" + end + + local function prepare_chain(list,featuretype,sublookups) + -- todo: coveractions + local rules = list.rules + local coverage = { } + if rules then + local rulehash = { } + local rulesize = 0 + local sequence = { } + local nofsequences = 0 + local lookuptype = types[featuretype] + for nofrules=1,#rules do + local rule = rules[nofrules] + local current = rule.current + local before = rule.before + local after = rule.after + local replacements = rule.replacements or false + local sequence = { } + local nofsequences = 0 + if before then + for n=1,#before do + nofsequences = nofsequences + 1 + sequence[nofsequences] = before[n] + end + end + local start = nofsequences + 1 + for n=1,#current do + nofsequences = nofsequences + 1 + sequence[nofsequences] = current[n] + end + local stop = nofsequences + if after then + for n=1,#after do + nofsequences = nofsequences + 1 + sequence[nofsequences] = after[n] + end + end + local lookups = rule.lookups or false + local subtype = nil + if lookups and sublookups then + for k, v in next, lookups do + local lookup = sublookups[v] + if lookup then + lookups[k] = lookup + if not subtype then + subtype = lookup.type + end + else + -- already expanded + end + end + end + if nofsequences > 0 then -- we merge coverage into one + -- we copy as we can have different fonts + local hashed = { } + for i=1,nofsequences do + local t = { } + local s = sequence[i] + for i=1,#s do + local u = tounicode(s[i]) + if u then + t[u] = true + end + end + hashed[i] = t + end + sequence = hashed + -- now we create the rule + rulesize = rulesize + 1 + rulehash[rulesize] = { + nofrules, -- 1 + lookuptype, -- 2 + sequence, -- 3 + start, -- 4 + stop, -- 5 + lookups, -- 6 (6/7 also signal of what to do) + replacements, -- 7 + subtype, -- 8 + } + for unic in next, sequence[start] do + local cu = coverage[unic] + if not cu then + coverage[unic] = rulehash -- can now be done cleaner i think + end + end + end + end + end + return coverage + end + for s=1,#specifications do local specification = specifications[s] local valid = specification.valid @@ -92,162 +339,85 @@ local function addfeature(data,feature,specifications) specification.initialize = initialize(specification,data) and initialize or nil end local askedfeatures = specification.features or everywhere - local askedsteps = specifications.steps or specification.subtables or { specification.data } or { } + local askedsteps = specification.steps or specification.subtables or { specification.data } or { } local featuretype = normalized[specification.type or "substitution"] or "substitution" local featureflags = specification.flags or noflags local featureorder = specification.order or { feature } - local added = false + local featurechain = (featuretype == "chainsubstitution" or featuretype == "chainposition") and 1 or 0 local nofsteps = 0 local steps = { } + local sublookups = specification.lookups + if sublookups then + local s = { } + for i=1,#sublookups do + local specification = sublookups[i] + local askedsteps = specification.steps or specification.subtables or { specification.data } or { } + local featuretype = normalized[specification.type or "substitution"] or "substitution" + local featureflags = specification.flags or noflags + local nofsteps = 0 + local steps = { } + for i=1,#askedsteps do + local list = askedsteps[i] + local coverage = nil + local format = nil + if featuretype == "substitution" then + coverage, format = prepare_substitution(list,featuretype) + elseif featuretype == "ligature" then + coverage, format = prepare_ligature(list,featuretype) + elseif featuretype == "alternate" then + coverage, format = prepare_alternate(list,featuretype) + elseif featuretype == "multiple" then + coverage, format = prepare_multiple(list,featuretype) + elseif featuretype == "kern" then + coverage, format = prepare_kern(list,featuretype) + end + if coverage and next(coverage) then + nofsteps = nofsteps + 1 + steps[nofsteps] = register(coverage,featuretype,format,feature,nofsteps,descriptions,resources) + end + end + s[i] = { + [stepkey] = steps, + nofsteps = nofsteps, + type = types[featuretype], + } + end + sublookups = s + end for i=1,#askedsteps do local list = askedsteps[i] - local coverage = { } - local cover = coveractions[featuretype] + local coverage = nil local format = nil - if not cover then - -- unknown - elseif featuretype == "substitution" then - for code, replacement in next, list do - local unicode = tounicode(code) - local description = descriptions[unicode] - if description then - if type(replacement) == "table" then - replacement = replacement[1] - end - replacement = tounicode(replacement) - if replacement and descriptions[replacement] then - cover(coverage,unicode,replacement) - done = done + 1 - else - skip = skip + 1 - end - else - skip = skip + 1 - end - end + if featuretype == "substitution" then + coverage, format = prepare_substitution(list,featuretype) elseif featuretype == "ligature" then - for code, ligature in next, list do - local unicode = tounicode(code) - local description = descriptions[unicode] - if description then - if type(ligature) == "string" then - ligature = { lpegmatch(splitter,ligature) } - end - local present = true - for i=1,#ligature do - local l = ligature[i] - local u = tounicode(l) - if descriptions[u] then - ligature[i] = u - else - present = false - break - end - end - if present then - cover(coverage,unicode,ligature) - done = done + 1 - else - skip = skip + 1 - end - else - skip = skip + 1 - end - end + coverage, format = prepare_ligature(list,featuretype) elseif featuretype == "alternate" then - for code, replacement in next, list do - local unicode = tounicode(code) - local description = descriptions[unicode] - if not description then - skip = skip + 1 - elseif type(replacement) == "table" then - local r = { } - for i=1,#replacement do - local u = tounicode(replacement[i]) - r[i] = descriptions[u] and u or unicode - end - cover(coverage,unicode,r) - done = done + 1 - else - local u = tounicode(replacement) - if u then - cover(coverage,unicode,{ u }) - done = done + 1 - else - skip = skip + 1 - end - end - end - elseif featuretype == "multiple" then -- todo: unicode can be table - for code, replacement in next, list do - local unicode = tounicode(code) - local description = descriptions[unicode] - if not description then - skip = skip + 1 - elseif type(replacement) == "table" then - local r, n = { }, 0 - for i=1,#replacement do - local u = tounicode(replacement[i]) - if descriptions[u] then - n = n + 1 - r[n] = u - end - end - if n > 0 then - cover(coverage,unicode,r) - done = done + 1 - else - skip = skip + 1 - end - else - local u = tounicode(replacement) - if u then - cover(coverage,unicode,{ u }) - done = done + 1 - else - skip = skip + 1 - end - end - end + coverage, format = prepare_alternate(list,featuretype) + elseif featuretype == "multiple" then + coverage, format = prepare_multiple(list,featuretype) elseif featuretype == "kern" then - for code, replacement in next, list do - local unicode = tounicode(code) - local description = descriptions[unicode] - if description and type(replacement) == "table" then - local r = { } - for k, v in next, replacement do - local u = tounicode(k) - if u then - r[u] = v - end - end - if next(r) then - cover(coverage,unicode,r) - done = done + 1 - else - skip = skip + 1 - end - else - skip = skip + 1 - end - end - format = "kern" + coverage, format = prepare_kern(list,featuretype) + elseif featuretype == "chainsubstitution" or featuretype == "chainposition" then + coverage, format = prepare_chain(list,featuretype,sublookups) end - if next(coverage) then - added = true + if coverage and next(coverage) then nofsteps = nofsteps + 1 steps[nofsteps] = register(coverage,featuretype,format,feature,nofsteps,descriptions,resources) end end - if added then + if nofsteps > 0 then -- script = { lang1, lang2, lang3 } or script = { lang1 = true, ... } for k, v in next, askedfeatures do if v[1] then askedfeatures[k] = tohash(v) end end + if featureflags[1] then featureflags[1] = "mark" end + if featureflags[2] then featureflags[2] = "ligature" end + if featureflags[3] then featureflags[3] = "base" end local sequence = { - chain = 0, + chain = featurechain, features = { [feature] = askedfeatures }, flags = featureflags, name = feature, -- not needed diff --git a/tex/context/base/font-otf.lua b/tex/context/base/font-otf.lua index 4967558eb..e90ec738f 100644 --- a/tex/context/base/font-otf.lua +++ b/tex/context/base/font-otf.lua @@ -2950,11 +2950,13 @@ end otf.coverup = { stepkey = "subtables", actions = { - substitution = justset, - alternate = justset, - multiple = justset, - ligature = justset, - kern = justset, + substitution = justset, + alternate = justset, + multiple = justset, + ligature = justset, + kern = justset, + chainsubstitution = justset, + chainposition = justset, }, register = function(coverage,lookuptype,format,feature,n,descriptions,resources) local name = formatters["ctx_%s_%s_%s"](feature,lookuptype,n) -- we can have a mix of types diff --git a/tex/context/base/font-otl.lua b/tex/context/base/font-otl.lua index 30a351973..cc6befa9d 100644 --- a/tex/context/base/font-otl.lua +++ b/tex/context/base/font-otl.lua @@ -803,12 +803,14 @@ end otf.coverup = { stepkey = "steps", actions = { - substitution = justset, - alternate = justset, - multiple = justset, - kern = justset, - pair = justset, - ligature = function(coverage,unicode,ligature) + chainsubstitution = justset, + chainposition = justset, + substitution = justset, + alternate = justset, + multiple = justset, + kern = justset, + pair = justset, + ligature = function(coverage,unicode,ligature) local first = ligature[1] local tree = coverage[first] if not tree then diff --git a/tex/context/base/font-ots.lua b/tex/context/base/font-ots.lua index 0f457a834..207d14650 100644 --- a/tex/context/base/font-ots.lua +++ b/tex/context/base/font-ots.lua @@ -1797,7 +1797,7 @@ end -- elseif char == zwnj and sequence[n][32] then -- brrr local function show_skip(dataset,sequence,char,ck,class) - logwarning("%s: skipping char %s, class %a, rule %a, lookuptype %a",cref(dataset,sequence),gref(char),class,ck[1],ck[8]) + logwarning("%s: skipping char %s, class %a, rule %a, lookuptype %a",cref(dataset,sequence),gref(char),class,ck[1],ck[8] or ck[2]) end -- A previous version had disc collapsing code in the (single sub) handler plus some @@ -2169,12 +2169,14 @@ end -- end -- end +local noflags = { false, false, false, false } + local function handle_contextchain(head,start,dataset,sequence,contexts,rlmode) local sweepnode = sweepnode local sweeptype = sweeptype local diskseen = false local checkdisc = getprev(head) - local flags = sequence.flags + local flags = sequence.flags or noflags local done = false local skipmark = flags[1] local skipligature = flags[2] @@ -2581,7 +2583,7 @@ local function handle_contextchain(head,start,dataset,sequence,contexts,rlmode) local diskchain = diskseen or sweepnode if trace_contexts then local rule = ck[1] - local lookuptype = ck[8] + local lookuptype = ck[8] or ck[2] local first = ck[4] local last = ck[5] local char = getchar(start) diff --git a/tex/context/base/font-oup.lua b/tex/context/base/font-oup.lua index 64d658d6a..004e487c5 100644 --- a/tex/context/base/font-oup.lua +++ b/tex/context/base/font-oup.lua @@ -1904,7 +1904,7 @@ function readers.expand(data) -- we also need to do sublookups for i=1,#sequences do local sequence = sequences[i] - local steps = sequence.steps + local steps = sequence.steps if steps then local kind = sequence.type local markclass = sequence.markclass @@ -1922,8 +1922,7 @@ function readers.expand(data) if baseclasses then local coverage = step.coverage for k, v in next, coverage do - -- v[1] = baseclasses[v[2]] -- slot 1 is a placeholder - v[1] = baseclasses[v[1]] + v[1] = baseclasses[v[1]] -- slot 1 is a placeholder end elseif kind == "gpos_cursive" then local coverage = step.coverage @@ -1943,7 +1942,7 @@ function readers.expand(data) local current = rule.current local before = rule.before local after = rule.after - local replacements = rule.replacements + local replacements = rule.replacements or false local sequence = { } local nofsequences = 0 if before then @@ -1964,7 +1963,7 @@ function readers.expand(data) sequence[nofsequences] = after[n] end end - local lookups = rule.lookups + local lookups = rule.lookups or false local subtype = nil if lookups then for k, v in next, lookups do @@ -1987,7 +1986,7 @@ function readers.expand(data) sequence, -- 3 start, -- 4 stop, -- 5 - rule.lookups, -- 6 + lookups, -- 6 (6/7 also signal of what to do) replacements, -- 7 subtype, -- 8 } @@ -1995,8 +1994,6 @@ function readers.expand(data) local cu = coverage[unic] if not cu then coverage[unic] = rulehash -- can now be done cleaner i think --- else --- sequence[start] = nil end end end diff --git a/tex/context/base/status-files.pdf b/tex/context/base/status-files.pdf Binary files differindex d08186367..4bab1ac7f 100644 --- a/tex/context/base/status-files.pdf +++ b/tex/context/base/status-files.pdf diff --git a/tex/context/base/status-lua.pdf b/tex/context/base/status-lua.pdf Binary files differindex b28c97183..871897ac1 100644 --- a/tex/context/base/status-lua.pdf +++ b/tex/context/base/status-lua.pdf diff --git a/tex/generic/context/luatex/luatex-fonts-merged.lua b/tex/generic/context/luatex/luatex-fonts-merged.lua index dbe1b6713..bdb8b9651 100644 --- a/tex/generic/context/luatex/luatex-fonts-merged.lua +++ b/tex/generic/context/luatex/luatex-fonts-merged.lua @@ -1,6 +1,6 @@ -- merged file : c:/data/develop/context/sources/luatex-fonts-merged.lua -- parent file : c:/data/develop/context/sources/luatex-fonts.lua --- merge date : 01/06/16 17:29:42 +-- merge date : 01/07/16 13:38:03 do -- begin closure to overcome local limits and interference @@ -9571,6 +9571,8 @@ otf.coverup={ multiple=justset, ligature=justset, kern=justset, + chainsubstitution=justset, + chainposition=justset, }, register=function(coverage,lookuptype,format,feature,n,descriptions,resources) local name=formatters["ctx_%s_%s_%s"](feature,lookuptype,n) |