diff options
Diffstat (limited to 'tex/generic')
| -rw-r--r-- | tex/generic/context/luatex/luatex-fonts-def.lua | 98 | ||||
| -rw-r--r-- | tex/generic/context/luatex/luatex-fonts-gbn.lua | 301 | ||||
| -rw-r--r-- | tex/generic/context/luatex/luatex-fonts-merged.lua | 16 | ||||
| -rw-r--r-- | tex/generic/context/luatex/luatex-fonts.lua | 4 |
4 files changed, 410 insertions, 9 deletions
diff --git a/tex/generic/context/luatex/luatex-fonts-def.lua b/tex/generic/context/luatex/luatex-fonts-def.lua new file mode 100644 index 000000000..a8bc3b06f --- /dev/null +++ b/tex/generic/context/luatex/luatex-fonts-def.lua @@ -0,0 +1,98 @@ +if not modules then modules = { } end modules ['luatex-fonts-def'] = { + version = 1.001, + comment = "companion to luatex-*.tex", + author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", + copyright = "PRAGMA ADE / ConTeXt Development Team", + license = "see context related readme files" +} + +if context then + texio.write_nl("fatal error: this module is not for context") + os.exit() +end + +local fonts = fonts + +-- A bit of tuning for definitions. + +fonts.constructors.namemode = "specification" -- somehow latex needs this (changed name!) => will change into an overload + +-- tricky: we sort of bypass the parser and directly feed all into +-- the sub parser + +function fonts.definers.getspecification(str) + return "", str, "", ":", str +end + +-- the generic name parser (different from context!) + +local list = { } + +local function issome () list.lookup = 'name' end -- xetex mode prefers name (not in context!) +local function isfile () list.lookup = 'file' end +local function isname () list.lookup = 'name' end +local function thename(s) list.name = s end +local function issub (v) list.sub = v end +local function iscrap (s) list.crap = string.lower(s) end +local function iskey (k,v) list[k] = v end +local function istrue (s) list[s] = true end +local function isfalse(s) list[s] = false end + +local P, S, R, C, Cs = lpeg.P, lpeg.S, lpeg.R, lpeg.C, lpeg.Cs + +local spaces = P(" ")^0 +local namespec = Cs((P("{")/"") * (1-S("}"))^0 * (P("}")/"") + (1-S("/:("))^0) +local crapspec = spaces * P("/") * (((1-P(":"))^0)/iscrap) * spaces +local filename_1 = P("file:")/isfile * (namespec/thename) +local filename_2 = P("[") * P(true)/isname * (((1-P("]"))^0)/thename) * P("]") +local fontname_1 = P("name:")/isname * (namespec/thename) +local fontname_2 = P(true)/issome * (namespec/thename) +----- sometext = (R("az","AZ","09") + S("+-.{}"))^1 +local sometext = (P("{")/"")*(1-P("}"))^0*(P("}")/"") + (R("az","AZ","09")+S("+-."))^1 +local truevalue = P("+") * spaces * (sometext/istrue) +local falsevalue = P("-") * spaces * (sometext/isfalse) +local keyvalue = (C(sometext) * spaces * P("=") * spaces * C(sometext))/iskey +local somevalue = sometext/istrue +local subvalue = P("(") * (C(P(1-S("()"))^1)/issub) * P(")") -- for Kim +local option = spaces * (keyvalue + falsevalue + truevalue + somevalue) * spaces +local options = P(":") * spaces * (P(";")^0 * option)^0 + +local pattern = (filename_1 + filename_2 + fontname_1 + fontname_2) * subvalue^0 * crapspec^0 * options^0 + +local function colonized(specification) -- xetex mode + list = { } + lpeg.match(pattern,specification.specification) + list.crap = nil -- style not supported, maybe some day + if list.name then + specification.name = list.name + list.name = nil + end + if list.lookup then + specification.lookup = list.lookup + list.lookup = nil + end + if list.sub then + specification.sub = list.sub + list.sub = nil + end + specification.features.normal = fonts.handlers.otf.features.normalize(list) + return specification +end + +fonts.definers.registersplit(":",colonized,"cryptic") +fonts.definers.registersplit("", colonized,"more cryptic") -- catches \font\text=[names] + +function fonts.definers.applypostprocessors(tfmdata) + local postprocessors = tfmdata.postprocessors + if postprocessors then + for i=1,#postprocessors do + local extrahash = postprocessors[i](tfmdata) -- after scaling etc + if type(extrahash) == "string" and extrahash ~= "" then + -- e.g. a reencoding needs this + extrahash = string.gsub(lower(extrahash),"[^a-z]","-") + tfmdata.properties.fullname = format("%s-%s",tfmdata.properties.fullname,extrahash) + end + end + end + return tfmdata +end diff --git a/tex/generic/context/luatex/luatex-fonts-gbn.lua b/tex/generic/context/luatex/luatex-fonts-gbn.lua new file mode 100644 index 000000000..272f65e95 --- /dev/null +++ b/tex/generic/context/luatex/luatex-fonts-gbn.lua @@ -0,0 +1,301 @@ +if not modules then modules = { } end modules ['luatex-fonts-gbn'] = { + version = 1.001, + comment = "companion to luatex-*.tex", + author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", + copyright = "PRAGMA ADE / ConTeXt Development Team", + license = "see context related readme files" +} + +-- generic [base|node] mode handler + +if context then + texio.write_nl("fatal error: this module is not for context") + os.exit() +end + +local next = next + +local fonts = fonts +local nodes = nodes + +local nuts = nodes.nuts -- context abstraction of direct nodes + +local traverse_id = nuts.traverse_id +local flush_node = nuts.flush_node + +local glyph_code = nodes.nodecodes.glyph +local disc_code = nodes.nodecodes.disc + +local tonode = nuts.tonode +local tonut = nuts.tonut + +local getfont = nuts.getfont +local getchar = nuts.getchar +local getid = nuts.getid +local getboth = nuts.getboth +local getprev = nuts.getprev +local getnext = nuts.getnext +local getdisc = nuts.getdisc +local setchar = nuts.setchar +local setlink = nuts.setlink +local setprev = nuts.setprev + +-- from now on we apply ligaturing and kerning here because it might interfere with complex +-- opentype discretionary handling where the base ligature pass expect some weird extra +-- pointers (which then confuse the tail slider that has some checking built in) + +local n_ligaturing = node.ligaturing +local n_kerning = node.kerning + +local d_ligaturing = nuts.ligaturing +local d_kerning = nuts.kerning + +local basemodepass = true + +local function l_warning() texio.write_nl("warning: node.ligaturing called directly") l_warning = nil end +local function k_warning() texio.write_nl("warning: node.kerning called directly") k_warning = nil end + +function node.ligaturing(...) + if basemodepass and l_warning then + l_warning() + end + return n_ligaturing(...) +end + +function node.kerning(...) + if basemodepass and k_warning then + k_warning() + end + return n_kerning(...) +end + +function nuts.ligaturing(...) + if basemodepass and l_warning then + l_warning() + end + return d_ligaturing(...) +end + +function nuts.kerning(...) + if basemodepass and k_warning then + k_warning() + end + return d_kerning(...) +end + +-- direct.ligaturing = nuts.ligaturing +-- direct.kerning = nuts.kerning + +function nodes.handlers.setbasemodepass(v) + basemodepass = v +end + +local function nodepass(head,groupcode,size,packtype,direction) + local fontdata = fonts.hashes.identifiers + if fontdata then + local usedfonts = { } + local basefonts = { } + local prevfont = nil + local basefont = nil + local variants = nil + local redundant = nil + local nofused = 0 + for n in traverse_id(glyph_code,head) do + local font = getfont(n) + if font ~= prevfont then + if basefont then + basefont[2] = getprev(n) + end + prevfont = font + local used = usedfonts[font] + if not used then + local tfmdata = fontdata[font] -- + if tfmdata then + local shared = tfmdata.shared -- we need to check shared, only when same features + if shared then + local processors = shared.processes + if processors and #processors > 0 then + usedfonts[font] = processors + nofused = nofused + 1 + elseif basemodepass then + basefont = { n, nil } + basefonts[#basefonts+1] = basefont + end + end + local resources = tfmdata.resources + variants = resources and resources.variants + variants = variants and next(variants) and variants or false + end + else + local tfmdata = fontdata[prevfont] + if tfmdata then + local resources = tfmdata.resources + variants = resources and resources.variants + variants = variants and next(variants) and variants or false + end + end + end + if variants then + local char = getchar(n) + if (char >= 0xFE00 and char <= 0xFE0F) or (char >= 0xE0100 and char <= 0xE01EF) then + local hash = variants[char] + if hash then + local p = getprev(n) + if p and getid(p) == glyph_code then + local variant = hash[getchar(p)] + if variant then + setchar(p,variant) + end + end + end + -- per generic user request we always remove selectors + if not redundant then + redundant = { n } + else + redundant[#redundant+1] = n + end + end + end + end + local nofbasefonts = #basefonts + if redundant then + for i=1,#redundant do + local r = redundant[i] + local p, n = getboth(r) + if r == head then + head = n + setprev(n) + else + setlink(p,n) + end + if nofbasefonts > 0 then + for i=1,nofbasefonts do + local bi = basefonts[i] + if r == bi[1] then + bi[1] = n + end + if r == bi[2] then + bi[2] = n + end + end + end + flush_node(r) + end + end + for d in traverse_id(disc_code,head) do + local _, _, r = getdisc(d) + if r then + for n in traverse_id(glyph_code,r) do + local font = getfont(n) + if font ~= prevfont then + prevfont = font + local used = usedfonts[font] + if not used then + local tfmdata = fontdata[font] -- + if tfmdata then + local shared = tfmdata.shared -- we need to check shared, only when same features + if shared then + local processors = shared.processes + if processors and #processors > 0 then + usedfonts[font] = processors + nofused = nofused + 1 + end + end + end + end + end + end + end + end + if next(usedfonts) then + for font, processors in next, usedfonts do + for i=1,#processors do + head = processors[i](head,font,0,direction,nofused) or head + end + end + end + if basemodepass and nofbasefonts > 0 then + for i=1,nofbasefonts do + local range = basefonts[i] + local start = range[1] + local stop = range[2] + if start then + local front = head == start + local prev, next + if stop then + next = getnext(stop) + start, stop = d_ligaturing(start,stop) + start, stop = d_kerning(start,stop) + else + prev = getprev(start) + start = d_ligaturing(start) + start = d_kerning(start) + end + if prev then + setlink(prev,start) + end + if next then + setlink(stop,next) + end + if front and head ~= start then + head = start + end + end + end + end + end + return head +end + +local function basepass(head) + if basemodepass then + head = d_ligaturing(head) + head = d_kerning(head) + end + return head +end + +local protectpass = node.direct.protect_glyphs +local injectpass = nodes.injections.handler + +-- This is the only official public interface and this one can be hooked into a callback (chain) and +-- everything else can change!@ Functione being visibel doesn't mean that it's part of the api. + +function nodes.handlers.nodepass(head,...) + if head then + return tonode(nodepass(tonut(head),...)) + end +end + +function nodes.handlers.basepass(head) + if head then + return tonode(basepass(tonut(head))) + end +end + +function nodes.handlers.injectpass(head) + if head then + return tonode(injectpass(tonut(head))) + end +end + +function nodes.handlers.protectpass(head) + if head then + protectpass(tonut(head)) + return head + end +end + +function nodes.simple_font_handler(head,groupcode,size,packtype,direction) + if head then + head = tonut(head) + head = nodepass(head,groupcode,size,packtype,direction) + head = injectpass(head) + if not basemodepass then + head = basepass(head) + end + protectpass(head) + head = tonode(head) + end + return head +end diff --git a/tex/generic/context/luatex/luatex-fonts-merged.lua b/tex/generic/context/luatex/luatex-fonts-merged.lua index 0889d7777..e0c1b7899 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 : 06/08/18 09:31:24 +-- merge date : 06/09/18 14:30:08 do -- begin closure to overcome local limits and interference @@ -32982,11 +32982,13 @@ local loadedfonts=constructors.loadedfonts local designsizes=constructors.designsizes local resolvefile=fontgoodies and fontgoodies.filenames and fontgoodies.filenames.resolve or function(s) return s end local splitter,splitspecifiers=nil,"" -local P,C,S,Cc=lpeg.P,lpeg.C,lpeg.S,lpeg.Cc +local P,C,S,Cc,Cs=lpeg.P,lpeg.C,lpeg.S,lpeg.Cc,lpeg.Cs local left=P("(") local right=P(")") local colon=P(":") local space=P(" ") +local lbrace=P("{") +local rbrace=P("}") definers.defaultlookup="file" local prefixpattern=P(false) local function addspecifier(symbol) @@ -32995,7 +32997,7 @@ local function addspecifier(symbol) local lookup=C(prefixpattern)*colon local sub=left*C(P(1-left-right-method)^1)*right local specification=C(method)*C(P(1)^1) - local name=C((1-sub-specification)^1) + local name=Cs((lbrace/"")*(1-rbrace)^1*(rbrace/"")+(1-sub-specification)^1) splitter=P((lookup+Cc(""))*name*(sub+Cc(""))*(specification+Cc(""))) end local function addlookup(str,default) @@ -33376,15 +33378,15 @@ local function iscrap (s) list.crap=string.lower(s) end local function iskey (k,v) list[k]=v end local function istrue (s) list[s]=true end local function isfalse(s) list[s]=false end -local P,S,R,C=lpeg.P,lpeg.S,lpeg.R,lpeg.C +local P,S,R,C,Cs=lpeg.P,lpeg.S,lpeg.R,lpeg.C,lpeg.Cs local spaces=P(" ")^0 -local namespec=(1-S("/:("))^0 +local namespec=Cs((P("{")/"")*(1-S("}"))^0*(P("}")/"")+(1-S("/:("))^0) local crapspec=spaces*P("/")*(((1-P(":"))^0)/iscrap)*spaces local filename_1=P("file:")/isfile*(namespec/thename) local filename_2=P("[")*P(true)/isname*(((1-P("]"))^0)/thename)*P("]") local fontname_1=P("name:")/isname*(namespec/thename) local fontname_2=P(true)/issome*(namespec/thename) -local sometext=(R("az","AZ","09")+S("+-.{}"))^1 +local sometext=(P("{")/"")*(1-P("}"))^0*(P("}")/"")+(R("az","AZ","09")+S("+-."))^1 local truevalue=P("+")*spaces*(sometext/istrue) local falsevalue=P("-")*spaces*(sometext/isfalse) local keyvalue=(C(sometext)*spaces*P("=")*spaces*C(sometext))/iskey @@ -36376,7 +36378,7 @@ end -- closure do -- begin closure to overcome local limits and interference -if not modules then modules={} end modules ['font-gbn']={ +if not modules then modules={} end modules ['luatex-fonts-gbn']={ version=1.001, comment="companion to luatex-*.tex", author="Hans Hagen, PRAGMA-ADE, Hasselt NL", diff --git a/tex/generic/context/luatex/luatex-fonts.lua b/tex/generic/context/luatex/luatex-fonts.lua index b80ea5564..b0f5aac3f 100644 --- a/tex/generic/context/luatex/luatex-fonts.lua +++ b/tex/generic/context/luatex/luatex-fonts.lua @@ -275,7 +275,7 @@ if non_generic_context.luatex_fonts.skip_loading ~= true then -- We support xetex compatible specifiers (plain/latex only). - loadmodule('font-xtx.lua') + loadmodule('luatex-fonts-def.lua') -- was font-xtx.lua -- Here come some additional features. @@ -289,7 +289,7 @@ if non_generic_context.luatex_fonts.skip_loading ~= true then -- We need to plug into a callback and the following module implements the -- handlers. Actual plugging in happens later. - loadmodule('font-gbn.lua') + loadmodule('luatex-fonts-gbn.lua') end |