diff options
Diffstat (limited to 'tex/context/base/mkiv/font-def.lua')
| -rw-r--r-- | tex/context/base/mkiv/font-def.lua | 120 |
1 files changed, 63 insertions, 57 deletions
diff --git a/tex/context/base/mkiv/font-def.lua b/tex/context/base/mkiv/font-def.lua index 97d25f180..f3d0f8187 100644 --- a/tex/context/base/mkiv/font-def.lua +++ b/tex/context/base/mkiv/font-def.lua @@ -80,53 +80,6 @@ and prepares a table that will move along as we proceed.</p> -- name name(sub) name(sub)*spec name*spec -- name@spec*oeps -local splitter, splitspecifiers = nil, "" -- not so nice - -local P, C, S, Cc = lpeg.P, lpeg.C, lpeg.S, lpeg.Cc - -local left = P("(") -local right = P(")") -local colon = P(":") -local space = P(" ") - -definers.defaultlookup = "file" - -local prefixpattern = P(false) - -local function addspecifier(symbol) - splitspecifiers = splitspecifiers .. symbol - local method = S(splitspecifiers) - 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) - splitter = P((lookup + Cc("")) * name * (sub + Cc("")) * (specification + Cc(""))) -end - -local function addlookup(str,default) - prefixpattern = prefixpattern + P(str) -end - -definers.addlookup = addlookup - -addlookup("file") -addlookup("name") -addlookup("spec") - -local function getspecification(str) - return lpegmatch(splitter,str or "") -- weird catch -end - -definers.getspecification = getspecification - -function definers.registersplit(symbol,action,verbosename) - addspecifier(symbol) - variants[symbol] = action - if verbosename then - variants[verbosename] = action - end -end - local function makespecification(specification,lookup,name,sub,method,detail,size) size = size or 655360 if not lookup or lookup == "" then @@ -151,13 +104,65 @@ local function makespecification(specification,lookup,name,sub,method,detail,siz return t end - definers.makespecification = makespecification -function definers.analyze(specification, size) - -- can be optimized with locals - local lookup, name, sub, method, detail = getspecification(specification or "") - return makespecification(specification, lookup, name, sub, method, detail, size) +if context then + + local splitter, splitspecifiers = nil, "" -- not so nice + + 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) + splitspecifiers = splitspecifiers .. symbol + local method = S(splitspecifiers) + 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 = Cs((lbrace/"") * (1-rbrace)^1 * (rbrace/"") + (1-sub-specification)^1) + splitter = P((lookup + Cc("")) * name * (sub + Cc("")) * (specification + Cc(""))) + end + + local function addlookup(str) + prefixpattern = prefixpattern + P(str) + end + + definers.addlookup = addlookup + + addlookup("file") + addlookup("name") + addlookup("spec") + + local function getspecification(str) + return lpegmatch(splitter,str or "") -- weird catch + end + + definers.getspecification = getspecification + + function definers.registersplit(symbol,action,verbosename) + addspecifier(symbol) + variants[symbol] = action + if verbosename then + variants[verbosename] = action + end + end + + function definers.analyze(specification, size) + -- can be optimized with locals + local lookup, name, sub, method, detail = getspecification(specification or "") + return makespecification(specification, lookup, name, sub, method, detail, size) + end + end --[[ldx-- @@ -203,9 +208,9 @@ function resolvers.name(specification) features.normal = normal end normal.instance = instance - if not callbacks.supported.glyph_stream_provider then - normal.variableshapes = true -- for the moment - end + -- if not callbacks.supported.glyph_stream_provider then + -- normal.variableshapes = true -- for the moment + -- end end -- local suffix = lower(suffixonly(resolved)) @@ -335,7 +340,7 @@ local function checkfeatures(tfmdata) for script, languages in next, scripts do if languages["*"] then -- ok - elseif not languages[usedlanguage] then + elseif context and not languages[usedlanguage] then report_defining("font %!font:name!, feature %a, script %a, no language %a", tfmdata,feature,script,usedlanguage) end @@ -355,7 +360,7 @@ local function checkfeatures(tfmdata) if not languages["*"] then for i=1,#foundlanguages do local language = foundlanguages[i] - if not languages[language] then + if context and not languages[language] then report_defining("font %!font:name!, feature %a, script %a, no language %a", tfmdata,feature,script,language) end @@ -377,6 +382,7 @@ function definers.loadfont(specification) -- todo: also hash by instance / factors local tfmdata = loadedfonts[hash] -- hashes by size ! if not tfmdata then + -- normally context will not end up here often (if so there is an issue somewhere) local forced = specification.forced or "" if forced ~= "" then local reader = readers[lower(forced)] -- normally forced is already lowered |