diff options
Diffstat (limited to 'tex/generic')
| -rw-r--r-- | tex/generic/context/luatex/luatex-fonts-merged.lua | 88 |
1 files changed, 58 insertions, 30 deletions
diff --git a/tex/generic/context/luatex/luatex-fonts-merged.lua b/tex/generic/context/luatex/luatex-fonts-merged.lua index a6397043b..38e94a091 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 : 09/25/17 19:19:22 +-- merge date : 09/28/17 10:07:40 do -- begin closure to overcome local limits and interference @@ -691,7 +691,13 @@ function lpeg.append(list,pp,delayed,checked) end local p_false=P(false) local p_true=P(true) -local function make(t,rest) +local lower=utf and utf.lower or string.lower +local upper=utf and utf.upper or string.upper +function lpeg.setutfcasers(l,u) + lower=l or lower + upper=u or upper +end +local function make1(t,rest) local p=p_false local keys=sortedkeys(t) for i=1,#keys do @@ -702,7 +708,7 @@ local function make(t,rest) p=p+P(k)*p_true elseif v==false then else - p=p+P(k)*make(v,v[""]) + p=p+P(k)*make1(v,v[""]) end end end @@ -711,32 +717,27 @@ local function make(t,rest) end return p end -local function collapse(t,x) - if type(t)~="table" then - return t,x - else - local n=next(t) - if n==nil then - return t,x - elseif next(t,n)==nil then - local k=n +local function make2(t,rest) + local p=p_false + local keys=sortedkeys(t) + for i=1,#keys do + local k=keys[i] + if k~="" then local v=t[k] - if type(v)=="table" then - return collapse(v,x..k) + if v==true then + p=p+(P(lower(k))+P(upper(k)))*p_true + elseif v==false then else - return v,x..k + p=p+(P(lower(k))+P(upper(k)))*make2(v,v[""]) end - else - local tt={} - for k,v in next,t do - local vv,kk=collapse(v,k) - tt[kk]=vv - end - return tt,x end end + if rest then + p=p+p_true + end + return p end -function lpeg.utfchartabletopattern(list) +function lpeg.utfchartabletopattern(list,insensitive) local tree={} local n=#list if n==0 then @@ -807,7 +808,7 @@ function lpeg.utfchartabletopattern(list) end end end - return make(tree) + return (insensitive and make2 or make1)(tree) end patterns.containseol=lpeg.finder(eol) local function nextstep(n,step,result) @@ -28763,6 +28764,7 @@ local format,insert,sortedkeys,tohash=string.format,table.insert,table.sortedkey local type,next=type,next local lpegmatch=lpeg.match local utfbyte,utflen,utfsplit=utf.byte,utf.len,utf.split +local match=string.match local trace_loading=false trackers.register("otf.loading",function(v) trace_loading=v end) local report_otf=logs.reporter("fonts","otf loading") local fonts=fonts @@ -29582,7 +29584,8 @@ registerotffeature { local lookups={} local protect={} local revert={} -local zwj={ 0x200C } +local zwjchar=0x200C +local zwj={ zwjchar } otf.addfeature { name="blockligatures", type="chainsubstitution", @@ -29621,19 +29624,44 @@ registerotffeature { } local settings_to_array=utilities.parsers and utilities.parsers.settings_to_array or function(s) return string.split(s,",") end +local splitter=lpeg.splitat(":") local function blockligatures(str) local t=settings_to_array(str) for i=1,#t do - local ti=utfsplit(t[i]) - if #ti>1 then - local one=ti[1] - local two=ti[2] - lookups[one]={ one,0x200C } + local ti=t[i] + local before,current,after=lpegmatch(splitter,ti) + if current and after then + if before then + before=utfsplit(before) + for i=1,#before do + before[i]={ before[i] } + end + end + if current then + current=utfsplit(current) + end + if after then + after=utfsplit(after) + for i=1,#after do + after[i]={ after[i] } + end + end + else + before=nil + current=utfsplit(ti) + after=nil + end + if #current>1 then + local one=current[1] + local two=current[2] + lookups[one]={ one,zwjchar } local one={ one } local two={ two } local new=#protect+1 protect[new]={ + before=before, current={ one,two }, + after=after, lookups={ 1 }, } revert[new]={ |