diff options
Diffstat (limited to 'tex/context/base/mkiv/font-oup.lua')
| -rw-r--r-- | tex/context/base/mkiv/font-oup.lua | 210 |
1 files changed, 169 insertions, 41 deletions
diff --git a/tex/context/base/mkiv/font-oup.lua b/tex/context/base/mkiv/font-oup.lua index 3bd2fe482..248aad04d 100644 --- a/tex/context/base/mkiv/font-oup.lua +++ b/tex/context/base/mkiv/font-oup.lua @@ -10,6 +10,7 @@ local next, type = next, type local P, R, S = lpeg.P, lpeg.R, lpeg.S local lpegmatch = lpeg.match local insert, remove, copy, unpack = table.insert, table.remove, table.copy, table.unpack +local find = string.find local formatters = string.formatters local sortedkeys = table.sortedkeys @@ -944,15 +945,18 @@ local function unifyglyphs(fontdata,usenames) return indices, names end -local p_crappyname do +local stripredundant do + local p_hex = R("af","AF","09") local p_digit = R("09") local p_done = S("._-")^0 + P(-1) + -- local p_style = P(".ss") * p_digit * p_digit * P(-1) + local p_style = P(".") local p_alpha = R("az","AZ") local p_ALPHA = R("AZ") - p_crappyname = ( + local p_crappyname = ( -- (P("uni") + P("UNI") + P("Uni") + P("U") + P("u")) lpeg.utfchartabletopattern({ "uni", "u" },true) * S("Xx_")^0 @@ -980,56 +984,182 @@ local p_crappyname do * P(1)^1 ) * p_done -end + -- In context we only keep glyph names because of tracing and access by name + -- so weird names make no sense. --- In context we only keep glyph names because of tracing and access by name --- so weird names make no sense. + if context then -local forcekeep = false -- only for testing something + local forcekeep = false -- only for testing something +-- local forcekeep = true -directives.register("otf.keepnames",function(v) - report_cleanup("keeping weird glyph names, expect larger files and more memory usage") - forcekeep = v -end) + directives.register("otf.keepnames",function(v) + report_cleanup("keeping weird glyph names, expect larger files and more memory usage") + forcekeep = v + end) -local function stripredundant(fontdata) - local descriptions = fontdata.descriptions - if descriptions then - local n = 0 - local c = 0 - -- in context we always strip - if (not context and fonts.privateoffsets.keepnames) or forcekeep then - for unicode, d in next, descriptions do - if d.class == "base" then - d.class = nil - c = c + 1 + -- local p_lesscrappyname = + -- lpeg.utfchartabletopattern({ "uni", "u" },true) + -- * S("Xx")^0 + -- * p_hex^1 + -- * p_style + + local function stripvariants(descriptions,list) + local n = list and #list or 0 + if n > 0 then + for i=1,n do + local g = list[i] + if g then + local d = descriptions[g] + if d and d.name then + d.name = nil + n = n + 1 + end + end end end - else - for unicode, d in next, descriptions do - local name = d.name - if name and lpegmatch(p_crappyname,name) then - d.name = nil - n = n + 1 + return n + end + + local function stripparts(descriptions,list) + local n = list and #list or 0 + if n > 0 then + for i=1,n do + local g = list[i].glyph + if g then + local d = descriptions[g] + if d and d.name then + d.name = nil + n = n + 1 + end + end end - if d.class == "base" then - d.class = nil - c = c + 1 + end + return n + end + + -- local function collectsimple(fontdata) + -- local resources = fontdata.resources + -- local sequences = resources and resources.sequences + -- if sequences then + -- local keeplist = { } + -- for i=1,#sequences do + -- local s = sequences[i] + -- if s.type == "gsub_single" then + -- -- only simple ones + -- local features = s.features + -- local steps = s.steps + -- if features and steps then + -- local okay = false + -- for k, v in next, features do + -- if find(k,"^ss%d%d") then + -- okay = true + -- break + -- end + -- end + -- if okay then + -- for i=1,#steps do + -- local coverage = steps[i].coverage + -- if coverage then + -- for k, v in next, coverage do + -- keeplist[k] = v + -- end + -- end + -- end + -- end + -- end + -- end + -- end + -- return next(keeplist) and keeplist or nil + -- end + -- end + + local function collectsimple(fontdata) + return nil + end + + stripredundant = function(fontdata) + local descriptions = fontdata.descriptions + if descriptions then + local n = 0 + local c = 0 + for unicode, d in next, descriptions do + local m = d.math + if m then + n = n + stripvariants(descriptions,m.vvariants) + n = n + stripvariants(descriptions,m.hvariants) + n = n + stripparts (descriptions,m.vparts) + n = n + stripparts (descriptions,m.hparts) + end + end + if forcekeep then + for unicode, d in next, descriptions do + if d.class == "base" then + d.class = nil + c = c + 1 + end + end + else + local keeplist = collectsimple(fontdata) + for unicode, d in next, descriptions do + local name = d.name + if name then + -- if lpegmatch(p_lesscrappyname,name) then + if keeplist and keeplist[name] then + -- keep name + elseif lpegmatch(p_crappyname,name) then + d.name = nil + n = n + 1 + end + end + if d.class == "base" then + d.class = nil + c = c + 1 + end + end + end + if trace_cleanup then + if n > 0 then + report_cleanup("%s bogus names removed (verbose unicode)",n) + end + if c > 0 then + report_cleanup("%s base class tags removed (default is base)",c) + end end end end - if trace_cleanup then - if n > 0 then - report_cleanup("%s bogus names removed (verbose unicode)",n) - end - if c > 0 then - report_cleanup("%s base class tags removed (default is base)",c) + + else + + stripredundant = function(fontdata) + local descriptions = fontdata.descriptions + if descriptions then + if fonts.privateoffsets.keepnames then + for unicode, d in next, descriptions do + if d.class == "base" then + d.class = nil + end + end + else + for unicode, d in next, descriptions do + local name = d.name + if name then + if lpegmatch(p_crappyname,name) then + d.name = nil + end + end + if d.class == "base" then + d.class = nil + end + end + end end end + end -end -readers.stripredundant = stripredundant + readers.stripredundant = stripredundant + +end function readers.getcomponents(fontdata) -- handy for resolving ligatures when names are missing local resources = fontdata.resources @@ -1128,8 +1258,7 @@ readers.unifymissing = unifymissing function readers.rehash(fontdata,hashmethod) -- TODO: combine loops in one if not (fontdata and fontdata.glyphs) then return - end - if hashmethod == "indices" then + elseif hashmethod == "indices" then fontdata.hashmethod = "indices" elseif hashmethod == "names" then fontdata.hashmethod = "names" @@ -1137,7 +1266,6 @@ function readers.rehash(fontdata,hashmethod) -- TODO: combine loops in one unifyresources(fontdata,indices) copyduplicates(fontdata) unifymissing(fontdata) - -- stripredundant(fontdata) else fontdata.hashmethod = "unicodes" local indices = unifyglyphs(fontdata) |