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|
if not modules then modules = { } end modules ['font-syn'] = {
version = 1.001,
comment = "companion to font-ini.mkiv",
author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
copyright = "PRAGMA ADE / ConTeXt Development Team",
license = "see context related readme files"
}
-- todo: subs in lookups requests
local utf = unicode.utf8
local next, tonumber = next, tonumber
local gsub, lower, match, find, lower, upper = string.gsub, string.lower, string.match, string.find, string.lower, string.upper
local find, gmatch = string.find, string.gmatch
local concat, sort, format = table.concat, table.sort, string.format
local lpegmatch = lpeg.match
local utfgsub, utflower = utf.gsub, utf.lower
local unpack = unpack or table.unpack
local trace_names = false trackers.register("fonts.names", function(v) trace_names = v end)
local trace_warnings = false trackers.register("fonts.warnings", function(v) trace_warnings = v end)
--[[ldx--
<p>This module implements a name to filename resolver. Names are resolved
using a table that has keys filtered from the font related files.</p>
--ldx]]--
local texsprint = (tex and tex.sprint) or print
fonts = fonts or { }
input = input or { }
texmf = texmf or { }
fonts.names = fonts.names or { }
fonts.names.filters = fonts.names.filters or { }
fonts.names.data = fonts.names.data or { }
local names = fonts.names
local filters = fonts.names.filters
names.version = 1.103
names.basename = "names"
names.saved = false
names.loaded = false
names.be_clever = true
names.enabled = true
names.autoreload = toboolean(os.env['MTX.FONTS.AUTOLOAD'] or os.env['MTX_FONTS_AUTOLOAD'] or "no")
names.cache = containers.define("fonts","data",names.version,true)
--[[ldx--
<p>A few helpers.</p>
--ldx]]--
local P, C, Cc, Cs, Carg = lpeg.P, lpeg.C, lpeg.Cc, lpeg.Cs, lpeg.Carg
-- what to do with 'thin'
local weights = Cs ( -- not extra
P("demibold")
+ P("semibold")
+ P("mediumbold")
+ P("ultrabold")
+ P("extrabold")
+ P("ultralight")
+ P("bold")
+ P("demi")
+ P("semi")
+ P("light")
+ P("medium")
+ P("heavy")
+ P("ultra")
+ P("black")
+ P("bol") -- / "bold"
+ P("regular") / "normal"
)
local styles = Cs (
P("reverseoblique") / "reverseitalic"
+ P("regular") / "normal"
+ P("italic")
+ P("oblique") / "italic"
+ P("slanted")
+ P("roman") / "normal"
+ P("ital") / "italic"
+ P("ita") / "italic"
)
local widths = Cs(
P("condensed")
+ P("thin")
+ P("expanded")
+ P("cond") / "condensed"
+ P("normal")
+ P("book") / "normal"
)
local variants = Cs( -- fax casual
P("smallcaps")
+ P("oldstyle")
+ P("caps") / "smallcaps"
)
local any = P(1)
local analysed_table
local analyser = Cs (
(
weights / function(s) analysed_table[1] = s return "" end
+ styles / function(s) analysed_table[2] = s return "" end
+ widths / function(s) analysed_table[3] = s return "" end
+ variants / function(s) analysed_table[4] = s return "" end
+ any
)^0
)
local splitter = lpeg.splitat("-")
function names.splitspec(askedname)
local name, weight, style, width, variant = lpegmatch(splitter,askedname)
weight = weight and lpegmatch(weights, weight) or weight
style = style and lpegmatch(styles, style) or style
width = width and lpegmatch(widths, width) or width
variant = variant and lpegmatch(variants,variant) or variant
if trace_names then
logs.report("fonts","requested name '%s' split in name '%s', weight '%s', style '%s', width '%s' and variant '%s'",
askedname,name or '',weight or '',style or '',width or '',variant or '')
end
if not weight or not weight or not width or not variant then
weight, style, width, variant = weight or "normal", style or "normal", width or "normal", variant or "normal"
if trace_names then
logs.report("fonts","request '%s' normalized to '%s-%s-%s-%s-%s'",
askedname,name,weight,style,width,variant)
end
end
return name or askedname, weight, style, width, variant
end
local function analysespec(somename)
if somename then
analysed_table = { }
local name = lpegmatch(analyser,somename)
return name, analysed_table[1], analysed_table[2], analysed_table[3], analysed_table[4]
end
end
--[[ldx--
<p>It would make sense to implement the filters in the related modules,
but to keep the overview, we define them here.</p>
--ldx]]--
filters.otf = fontloader.info
filters.ttf = fontloader.info
filters.ttc = fontloader.info
filters.dfont = fontloader.info
function fontloader.fullinfo(...)
local ff = fontloader.open(...)
if ff then
local d = ff and fontloader.to_table(ff)
d.glyphs, d.subfonts, d.gpos, d.gsub, d.lookups = nil, nil, nil, nil, nil
fontloader.close(ff)
return d
else
return nil, "error in loading font"
end
end
filters.otf = fontloader.fullinfo
function filters.afm(name)
-- we could parse the afm file as well, and then report an error but
-- it's not worth the trouble
local pfbname = resolvers.find_file(file.removesuffix(name)..".pfb","pfb") or ""
if pfbname == "" then
pfbname = resolvers.find_file(file.removesuffix(file.basename(name))..".pfb","pfb") or ""
end
if pfbname ~= "" then
local f = io.open(name)
if f then
local hash = { }
for line in f:lines() do
local key, value = match(line,"^(.+)%s+(.+)%s*$")
if key and #key > 0 then
hash[lower(key)] = value
end
if find(line,"StartCharMetrics") then
break
end
end
f:close()
return hash
end
end
return nil, "no matching pfb file"
end
function filters.pfb(name)
return fontloader.info(name)
end
--[[ldx--
<p>The scanner loops over the filters using the information stored in
the file databases. Watch how we check not only for the names, but also
for combination with the weight of a font.</p>
--ldx]]--
filters.list = {
"otf", "ttf", "ttc", "dfont", "afm",
--~ "ttc", "otf", "ttf", "dfont", "afm",
}
names.xml_configuration_file = "fonts.conf" -- a bit weird format, bonus feature
names.environment_path_variable = "OSFONTDIR" -- the official way, in minimals etc
filters.paths = { }
filters.names = { }
function names.getpaths(trace)
local hash, result = { }, { }
local function collect(t)
for i=1, #t do
local v = resolvers.clean_path(t[i])
v = gsub(v,"/+$","")
local key = lower(v)
if not hash[key] then
hash[key], result[#result+1] = true, v
end
end
end
local path = names.environment_path_variable or ""
if path ~= "" then
collect(resolvers.expanded_path_list(path))
end
if xml then
local confname = names.xml_configuration_file or ""
if confname ~= "" then
-- first look in the tex tree
local name = resolvers.find_file(confname,"other")
if name == "" then
-- after all, fontconfig is a unix thing
name = file.join("/etc",confname)
if not lfs.isfile(name) then
name = "" -- force quit
end
end
if name ~= "" and lfs.isfile(name) then
if trace_names then
logs.report("fontnames","loading fontconfig file: %s",name)
end
local xmldata = xml.load(name)
-- begin of untested mess
xml.include(xmldata,"include","",true,function(incname)
if not file.is_qualified_path(incname) then
local path = file.dirname(name) -- main name
if path ~= "" then
incname = file.join(path,incname)
end
end
if lfs.isfile(incname) then
if trace_names then
logs.report("fontnames","merging included fontconfig file: %s",incname)
end
return io.loaddata(incname)
elseif trace_names then
logs.report("fontnames","ignoring included fontconfig file: %s",incname)
end
end)
-- end of untested mess
local fontdirs = xml.collect_texts(xmldata,"dir",true)
if trace_names then
logs.report("fontnames","%s dirs found in fontconfig",#fontdirs)
end
collect(fontdirs)
end
end
end
function names.getpaths()
return result
end
return result
end
local function cleanname(name)
return (gsub(lower(name),"[^%a%d]",""))
-- once we can load files with utf names, we can play with the following:
-- return (utfgsub(utfgsub(lower(str),"[^%a%A%d]",""),"%s",""))
end
names.cleanname = cleanname
local function check_names(result)
local names = result.names
if names then
for i=1,#names do
local name = names[i]
if name.lang == "English (US)" then
return name.names
end
end
end
end
local function walk_tree(pathlist,suffix,identify)
if pathlist then
for i=1,#pathlist do
local path = pathlist[i]
path = resolvers.clean_path(path .. "/")
path = gsub(path,"/+","/")
local pattern = path .. "**." .. suffix -- ** forces recurse
logs.report("fontnames", "globbing path %s",pattern)
local t = dir.glob(pattern)
sort(t,sorter)
for j=1,#t do
local completename = t[j]
identify(completename,file.basename(completename),suffix,completename)
end
end
end
end
local function check_name(data,result,filename,suffix,subfont)
-- shortcuts
local specifications = data.specifications
local families = data.families
-- prepare
local names = check_names(result)
-- fetch
local familyname = (names and names.preffamilyname) or result.familyname
local fullname = (names and names.fullname) or result.fullname
local fontname = result.fontname
local subfamily = (names and names.subfamily)
local modifiers = (names and names.prefmodifiers)
local weight = (names and names.weight) or result.weight
local italicangle = tonumber(result.italicangle)
local subfont = subfont or nil
local rawname = fullname or fontname or familyname
-- normalize
familyname = familyname and cleanname(familyname)
fullname = fullname and cleanname(fullname)
fontname = fontname and cleanname(fontname)
subfamily = subfamily and cleanname(subfamily)
modifiers = modifiers and cleanname(modifiers)
weight = weight and cleanname(weight)
italicangle = (italicangle == 0) and nil
-- analyse
local a_name, a_weight, a_style, a_width, a_variant = analysespec(fullname or fontname or familyname)
-- check
local width = a_width
local variant = a_variant
local style = modifiers and gsub(modifiers,"[^%a]","")
if not style and italicangle then
style = "italic"
end
if not variant or variant == "" then
variant = "normal"
end
if not weight or weight == "" then
weight = a_weight
end
if not style or style == "" then
style = a_style
end
if not familyname then
familyname = a_name
end
fontname = fontname or fullname or familyname or file.basename(filename)
fullname = fullname or fontname
familyname = familyname or fontname
specifications[#specifications + 1] = {
filename = filename,
format = lower(suffix),
subfont = subfont,
rawname = rawname,
familyname = familyname,
fullname = fullname,
fontname = fontname,
subfamily = subfamily,
modifiers = modifiers,
weight = weight,
style = style,
width = width,
variant = variant,
minsize = result.design_range_bottom or 0,
maxsize = result.design_range_top or 0,
designsize = result.design_size or 0,
}
end
local function cleanupkeywords()
local data = names.data
local specifications = names.data.specifications
if specifications then
local weights, styles, widths, variants = { }, { }, { }, { }
for i=1,#specifications do
local s = specifications[i]
-- fix (sofar styles are taken from the name, and widths from the specification)
local _, b_weight, b_style, b_width, b_variant = analysespec(s.weight)
local _, c_weight, c_style, c_width, c_variant = analysespec(s.style)
local _, d_weight, d_style, d_width, d_variant = analysespec(s.width)
local _, e_weight, e_style, e_width, e_variant = analysespec(s.variant)
local _, f_weight, f_style, f_width, f_variant = analysespec(s.fullname or "")
local weight = b_weight or c_weight or d_weight or e_weight or f_weight or "normal"
local style = b_style or c_style or d_style or e_style or f_style or "normal"
local width = b_width or c_width or d_width or e_width or f_width or "normal"
local variant = b_variant or c_variant or d_variant or e_variant or f_variant or "normal"
if not weight or weight == "" then weight = "normal" end
if not style or style == "" then style = "normal" end
if not width or width == "" then width = "normal" end
if not variant or variant == "" then variant = "normal" end
weights [weight ] = (weights [weight ] or 0) + 1
styles [style ] = (styles [style ] or 0) + 1
widths [width ] = (widths [width ] or 0) + 1
variants[variant] = (variants[variant] or 0) + 1
if weight ~= s.weight then
s.fontweight = s.weight
end
s.weight, s.style, s.width, s.variant = weight, style, width, variant
end
local stats = data.statistics
stats.used_weights, stats.used_styles, stats.used_widths, stats.used_variants = weights, styles, widths, variants
end
end
local function collectstatistics()
local data = names.data
local specifications = data.specifications
if specifications then
local weights, styles, widths, variants = { }, { }, { }, { }
for i=1,#specifications do
local s = specifications[i]
local weight, style, width, variant = s.weight, s.style, s.width, s.variant
if weight then weights [weight ] = (weights [weight ] or 0) + 1 end
if style then styles [style ] = (styles [style ] or 0) + 1 end
if width then widths [width ] = (widths [width ] or 0) + 1 end
if variant then variants[variant] = (variants[variant] or 0) + 1 end
end
local stats = data.statistics
stats.weights, stats.styles, stats.widths, stats.variants, stats.fonts = weights, styles, widths, variants, #specifications
end
end
local function collecthashes()
local data = names.data
local mappings = data.mappings
local fallbacks = data.fallbacks
local specifications = data.specifications
local nofmappings, noffallbacks = 0, 0
if specifications then
-- maybe multiple passes
for index=1,#specifications do
local s = specifications[index]
local format, fullname, fontname, familyname, weight, subfamily = s.format, s.fullname, s.fontname, s.familyname, s.weight, s.subfamily
local mf, ff = mappings[format], fallbacks[format]
if fullname and not mf[fullname] then
mf[fullname], nofmappings = index, nofmappings + 1
end
if fontname and not mf[fontname] then
mf[fontname], nofmappings = index, nofmappings + 1
end
if familyname and weight then
local madename = familyname .. weight
if not mf[madename] and not ff[madename] then
ff[madename], noffallbacks = index, noffallbacks + 1
end
end
if familyname and subfamily then
local extraname = familyname .. subfamily
if not mf[extraname] and not ff[extraname] then
ff[extraname], noffallbacks = index, noffallbacks + 1
end
end
if familyname then
if not mf[familyname] and not ff[familyname] then
ff[familyname], noffallbacks = index, noffallbacks + 1
end
end
end
end
return nofmappings, noffallbacks
end
local function collectfamilies()
local data = names.data
local specifications = data.specifications
local families = data.families
for index=1,#specifications do
local familyname = specifications[index].familyname
local family = families[familyname]
if not family then
families[familyname] = { index }
else
family[#family+1] = index
end
end
end
local function checkduplicate(where) -- fails on "Romantik" but that's a border case anyway
local data = names.data
local mapping = data[where]
local specifications, loaded = data.specifications, { }
if specifications and mapping then
for _, m in next, mapping do
for k, v in next, m do
local s = specifications[v]
local hash = format("%s-%s-%s-%s-%s",s.familyname,s.weight or "*",s.style or "*",s.width or "*",s.variant or "*")
local h = loaded[hash]
if h then
local ok = true
local fn = s.filename
for i=1,#h do
local hn = s.filename
if h[i] == fn then
ok = false
break
end
end
if ok then
h[#h+1] = fn
end
else
loaded[hash] = { s.filename }
end
end
end
end
local n = 0
for k, v in table.sortedhash(loaded) do
local nv = #v
if nv > 1 then
if trace_warnings then
logs.report("fontnames", "double lookup: %s => %s",k,concat(v," | "))
end
n = n + nv
end
end
logs.report("fontnames", "%s double lookups in %s",n,where)
end
local function checkduplicates()
checkduplicate("mappings")
checkduplicate("fallbacks")
end
local sorter = function(a,b)
return a > b -- to be checked
end
local function sorthashes()
local data, list = names.data, filters.list
local mappings, fallbacks, sorted_mappings, sorted_fallbacks = data.mappings, data.fallbacks, { }, { }
data.sorted_mappings, data.sorted_fallbacks = sorted_mappings, sorted_fallbacks
for i=1,#list do
local l = list[i]
sorted_mappings[l], sorted_fallbacks[l] = table.keys(mappings[l]), table.keys(fallbacks[l])
sort(sorted_mappings[l],sorter)
sort(sorted_fallbacks[l],sorter)
end
data.sorted_families = table.keys(data.families)
sort(data.sorted_families,sorter)
end
local function unpackreferences()
local data = names.data
local specifications = data.specifications
if specifications then
for k, v in next, data.families do
for i=1,#v do
v[i] = specifications[v[i]]
end
end
local mappings = data.mappings
if mappings then
for _, m in next, mappings do
for k, v in next, m do
m[k] = specifications[v]
end
end
end
local fallbacks = data.fallbacks
if fallbacks then
for _, f in next, fallbacks do
for k, v in next, f do
f[k] = specifications[v]
end
end
end
end
end
local function analysefiles()
local data = names.data
local done, totalnofread, totalnofskipped = { }, 0, 0
local skip_paths, skip_names = filters.paths, filters.names
local function identify(completename,name,suffix,storedname)
local basename = file.basename(completename)
local basepath = file.dirname(completename)
if done[name] then
-- already done (avoid otf afm clash)
elseif not io.exists(completename) then
-- weird error
elseif not file.is_qualified_path(completename) and resolvers.find_file(completename,suffix) == "" then
-- not locateble by backend anyway
else
nofread = nofread + 1
if #skip_paths > 0 then
for i=1,#skip_paths do
if find(basepath,skip_paths[i]) then
if trace_names then
logs.report("fontnames","rejecting path of %s font %s",suffix,completename)
logs.push()
end
return
end
end
end
if #skip_names > 0 then
for i=1,#skip_paths do
if find(basename,skip_names[i]) then
done[name] = true
if trace_names then
logs.report("fontnames","rejecting name of %s font %s",suffix,completename)
logs.push()
end
return
end
end
end
if trace_names then
logs.report("fontnames","identifying %s font %s",suffix,completename)
logs.push()
end
local result, message = filters[lower(suffix)](completename)
if trace_names then
logs.pop()
end
if result then
if not result[1] then
local ok = check_name(data,result,storedname,suffix)
if not ok then
nofskipped = nofskipped + 1
end
else
for r=1,#result do
local ok = check_name(data,result[r],storedname,suffix,r-1) -- subfonts start at zero
if not ok then
nofskipped = nofskipped + 1
end
end
end
if trace_warnings and message and message ~= "" then
logs.report("fontnames","warning when identifying %s font %s: %s",suffix,completename,message)
end
elseif trace_warnings then
logs.report("fontnames","error when identifying %s font %s: %s",suffix,completename,message or "unknown")
end
done[name] = true
end
end
local function traverse(what, method)
local list = filters.list
for n=1,#list do
local suffix = list[n]
local t = os.gettimeofday() -- use elapser
nofread, nofskipped = 0, 0
suffix = lower(suffix)
logs.report("fontnames", "identifying %s font files with suffix %s",what,suffix)
method(suffix)
suffix = upper(suffix)
logs.report("fontnames", "identifying %s font files with suffix %s",what,suffix)
method(suffix)
totalnofread, totalnofskipped = totalnofread + nofread, totalnofskipped + nofskipped
local elapsed = os.gettimeofday() - t
logs.report("fontnames", "%s %s files identified, %s hash entries added, runtime %0.3f seconds",nofread,what,nofread-nofskipped,elapsed)
end
end
if not trace_warnings then
logs.report("fontnames", "warnings are disabled (tracker 'fonts.warnings')")
end
traverse("tree", function(suffix) -- TEXTREE only
resolvers.with_files(".*%." .. suffix .. "$", function(method,root,path,name)
if method == "file" then
local completename = root .."/" .. path .. "/" .. name
identify(completename,name,suffix,name,name)
end
end)
end)
if texconfig.kpse_init then
-- we do this only for a stupid names run, not used for context itself,
-- using the vars is to clumsy so we just stick to a full scan instead
traverse("lsr", function(suffix) -- all trees
local pathlist = resolvers.split_path(resolvers.show_path("ls-R") or "")
walk_tree(pathlist,suffix,identify)
end)
else
traverse("system", function(suffix) -- OSFONTDIR cum suis
walk_tree(names.getpaths(trace),suffix,identify)
end)
end
data.statistics.readfiles, data.statistics.skippedfiles = totalnofread, totalnofskipped
end
local function rejectclashes() -- just to be sure, so no explicit afm will be found then
local specifications, used, okay = names.data.specifications, { }, { }
for i=1,#specifications do
local s = specifications[i]
local f = s.fontname
if f then
local fnd, fnm = used[f], s.filename
if fnd then
if trace_warnings then
logs.report("fontnames", "fontname '%s' clashes, rejecting '%s' in favor of '%s'",f,fnm,fnd)
end
else
used[f], okay[#okay+1] = fnm, s
end
else
okay[#okay+1] = s
end
end
local d = #specifications - #okay
if d > 0 then
logs.report("fontnames", "%s files rejected due to clashes",d)
end
names.data.specifications = okay
end
local function resetdata()
local mappings, fallbacks = { }, { }
for _, k in next, filters.list do
mappings[k], fallbacks[k] = { }, { }
end
names.data = {
version = names.version,
mappings = mappings,
fallbacks = fallbacks,
specifications = { },
families = { },
statistics = { },
data_state = resolvers.data_state(),
}
end
function names.identify()
resetdata()
analysefiles()
rejectclashes()
collectfamilies()
collectstatistics()
cleanupkeywords()
collecthashes()
checkduplicates()
-- sorthashes() -- will be resorted when saved
end
function names.is_permitted(name)
return containers.is_usable(names.cache(), name)
end
function names.write_data(name,data)
containers.write(names.cache(),name,data)
end
function names.read_data(name)
return containers.read(names.cache(),name)
end
function names.load(reload,verbose)
if not names.loaded then
if reload then
if names.is_permitted(names.basename) then
names.identify(verbose)
names.write_data(names.basename,names.data)
else
logs.report("font table", "unable to access database cache")
end
names.saved = true
end
local data = names.read_data(names.basename)
names.data = data
if not names.saved then
if not data or not next(data) or not data.specifications or not next(data.specifications) then
names.load(true)
end
names.saved = true
end
if not data then
logs.report("font table", "accessing the data table failed")
else
unpackreferences()
sorthashes()
end
names.loaded = true
end
end
local function list_them(mapping,sorted,pattern,t,all)
if mapping[pattern] then
t[pattern] = mapping[pattern]
else
for k=1,#sorted do
local v = sorted[k]
if not t[v] and find(v,pattern) then
t[v] = mapping[v]
if not all then
return
end
end
end
end
end
function names.list(pattern,reload,all) -- here?
names.load(reload)
if names.loaded then
local t = { }
local data = names.data
if data then
local list = filters.list
local mappings, sorted_mappings = data.mappings, data.sorted_mappings
local fallbacks, sorted_fallbacks = data.fallbacks, data.sorted_fallbacks
for i=1,#list do
local format = list[i]
list_them(mappings[format],sorted_mappings[format],pattern,t,all)
if next(t) and not all then
return t
end
list_them(fallbacks[format],sorted_fallbacks[format],pattern,t,all)
if next(t) and not all then
return t
end
end
end
return t
end
end
local reloaded = false
local function is_reloaded()
if not reloaded then
local data = names.data
if names.autoreload then
local c_status = table.serialize(resolvers.data_state())
local f_status = table.serialize(data.data_state)
if c_status == f_status then
-- logs.report("fonts","font database matches configuration and file hashes")
return
else
logs.report("fonts","font database does not match configuration and file hashes")
end
end
names.loaded = false
reloaded = true
io.flush()
names.load(true)
end
end
--[[ldx--
<p>The resolver also checks if the cached names are loaded. Being clever
here is for testing purposes only (it deals with names prefixed by an
encoding name).</p>
--ldx]]--
local function fuzzy(mapping,sorted,name,sub)
local condensed = gsub(name,"[^%a%d]","")
for k=1,#sorted do
local v = sorted[k]
if find(v,condensed) then
return mapping[v], v
end
end
end
-- we could cache a lookup .. maybe some day ... (only when auto loaded!)
local function foundname(name,sub) -- sub is not used currently
local data = names.data
local mappings, sorted_mappings = data.mappings, data.sorted_mappings
local fallbacks, sorted_fallbacks = data.fallbacks, data.sorted_fallbacks
local list = filters.list
-- dilemma: we lookup in the order otf ttf ttc ... afm but now an otf fallback
-- can come after an afm match ... well, one should provide nice names anyway
-- and having two lists is not an option
for i=1,#list do
local l = list[i]
local found = mappings[l][name]
if found then
if trace_names then
logs.report("fonts","resolved via direct name match: '%s'",name)
end
return found
end
end
for i=1,#list do
local l = list[i]
local found, fname = fuzzy(mappings[l],sorted_mappings[l],name,sub)
if found then
if trace_names then
logs.report("fonts","resolved via fuzzy name match: '%s' => '%s'",name,fname)
end
return found
end
end
for i=1,#list do
local l = list[i]
local found = fallbacks[l][name]
if found then
if trace_names then
logs.report("fonts","resolved via direct fallback match: '%s'",name)
end
return found
end
end
for i=1,#list do
local l = list[i]
local found, fname = fuzzy(sorted_mappings[l],sorted_fallbacks[l],name,sub)
if found then
if trace_names then
logs.report("fonts","resolved via fuzzy fallback match: '%s' => '%s'",name,fname)
end
return found
end
end
end
function names.resolvedspecification(askedname,sub)
if askedname and askedname ~= "" and names.enabled then
askedname = cleanname(askedname)
names.load()
local found = foundname(askedname,sub)
if not found and is_reloaded() then
found = foundname(askedname,sub)
end
return found
end
end
function names.resolve(askedname,sub)
local found = names.resolvedspecification(askedname,sub)
if found then
return found.filename, found.subfont and found.rawname
end
end
-- specified search
local function s_collect_weight_style_width_variant(found,done,all,weight,style,width,variant,family)
if family then
for i=1,#family do
local f = family[i]
if f and weight == f.weight and style == f.style and width == f.width and variant == f.variant then
found[#found+1], done[f] = f, true
if not all then return end
end
end
end
end
local function m_collect_weight_style_width_variant(found,done,all,weight,style,width,variant,families,sorted,strictname)
for i=1,#sorted do
local k = sorted[i]
local family = families[k]
for i=1,#family do
local f = family[i]
if not done[f] and weight == f.weight and style == f.style and width == f.width and variant == f.variant and find(f.fontname,strictname) then
found[#found+1], done[f] = f, true
if not all then return end
end
end
end
end
local function s_collect_weight_style_width(found,done,all,weight,style,width,family)
if family then
for i=1,#family do
local f = family[i]
if f and weight == f.weight and style == f.style and width == f.width then
found[#found+1], done[f] = f, true
if not all then return end
end
end
end
end
local function m_collect_weight_style_width(found,done,all,weight,style,width,families,sorted,strictname)
for i=1,#sorted do
local k = sorted[i]
local family = families[k]
for i=1,#family do
local f = family[i]
if not done[f] and weight == f.weight and style == f.style and width == f.width and find(f.fontname,strictname) then
found[#found+1], done[f] = f, true
if not all then return end
end
end
end
end
local function s_collect_weight_style(found,done,all,weight,style,family)
if family then
for i=1,#family do local f = family[i]
if f and weight == f.weight and style == f.style then
found[#found+1], done[f] = f, true
if not all then return end
end
end
end
end
local function m_collect_weight_style(found,done,all,weight,style,families,sorted,strictname)
for i=1,#sorted do
local k = sorted[i]
local family = families[k]
for i=1,#family do
local f = family[i]
if not done[f] and weight == f.weight and style == f.style and find(f.fontname,strictname) then
found[#found+1], done[f] = f, true
if not all then return end
end
end
end
end
local function s_collect_style_width(found,done,all,style,width,family)
if family then
for i=1,#family do local f = family[i]
if f and style == f.style and width == f.width then
found[#found+1], done[f] = f, true
if not all then return end
end
end
end
end
local function m_collect_style_width(found,done,all,style,width,families,sorted,strictname)
for i=1,#sorted do
local k = sorted[i]
local family = families[k]
for i=1,#family do
local f = family[i]
if not done[f] and style == f.style and width == f.width and find(f.fontname,strictname) then
found[#found+1], done[f] = f, true
if not all then return end
end
end
end
end
local function s_collect_weight(found,done,all,weight,family)
if family then
for i=1,#family do local f = family[i]
if f and weight == f.weight then
found[#found+1], done[f] = f, true
if not all then return end
end
end
end
end
local function m_collect_weight(found,done,all,weight,families,sorted,strictname)
for i=1,#sorted do
local k = sorted[i]
local family = families[k]
for i=1,#family do
local f = family[i]
if not done[f] and weight == f.weight and find(f.fontname,strictname) then
found[#found+1], done[f] = f, true
if not all then return end
end
end
end
end
local function s_collect_style(found,done,all,style,family)
if family then
for i=1,#family do local f = family[i]
if f and style == f.style then
found[#found+1], done[f] = f, true
if not all then return end
end
end
end
end
local function m_collect_style(found,done,all,style,families,sorted,strictname)
for i=1,#sorted do
local k = sorted[i]
local family = families[k]
for i=1,#family do
local f = family[i]
if not done[f] and style == f.style and find(f.fontname,strictname) then
found[#found+1], done[f] = f, true
if not all then return end
end
end
end
end
local function s_collect_width(found,done,all,width,family)
if family then
for i=1,#family do local f = family[i]
if f and width == f.width then
found[#found+1], done[f] = f, true
if not all then return end
end
end
end
end
local function m_collect_width(found,done,all,width,families,sorted,strictname)
for i=1,#sorted do
local k = sorted[i]
local family = families[k]
for i=1,#family do
local f = family[i]
if not done[f] and width == f.width and find(f.fontname,strictname) then
found[#found+1], done[f] = f, true
if not all then return end
end
end
end
end
local function s_collect(found,done,all,family)
if family then
for i=1,#family do local f = family[i]
if f then
found[#found+1], done[f] = f, true
if not all then return end
end
end
end
end
local function m_collect(found,done,all,families,sorted,strictname)
for i=1,#sorted do
local k = sorted[i]
local family = families[k]
for i=1,#family do
local f = family[i]
if not done[f] and find(f.fontname,strictname) then
found[#found+1], done[f] = f, true
if not all then return end
end
end
end
end
local function collect(stage,found,done,name,weight,style,width,variant,all)
local data = names.data
local families, sorted = data.families, data.sorted_families
strictname = "^".. name -- to be checked
local family = families[name]
if trace_names then
logs.report("fonts","resolving name '%s', weight '%s', style '%s', width '%s', variant '%s'",
name or "?",tostring(weight),tostring(style),tostring(width),tostring(variant))
end
--~ print(name,table.serialize(family))
if weight and weight ~= "" then
if style and style ~= "" then
if width and width ~= "" then
if variant and variant ~= "" then
if trace_names then
logs.report("fonts","resolving stage %s, name '%s', weight '%s', style '%s', width '%s', variant '%s'",stage,name,weight,style,width,variant)
end
s_collect_weight_style_width_variant(found,done,all,weight,style,width,variant,family)
m_collect_weight_style_width_variant(found,done,all,weight,style,width,variant,families,sorted,strictname)
else
if trace_names then
logs.report("fonts","resolving stage %s, name '%s', weight '%s', style '%s', width '%s'",stage,name,weight,style,width)
end
s_collect_weight_style_width(found,done,all,weight,style,width,family)
m_collect_weight_style_width(found,done,all,weight,style,width,families,sorted,strictname)
end
else
if trace_names then
logs.report("fonts","resolving stage %s, name '%s', weight '%s', style '%s'",stage,name,weight,style)
end
s_collect_weight_style(found,done,all,weight,style,family)
m_collect_weight_style(found,done,all,weight,style,families,sorted,strictname)
end
else
if trace_names then
logs.report("fonts","resolving stage %s, name '%s', weight '%s'",stage,name,weight)
end
s_collect_weight(found,done,all,weight,family)
m_collect_weight(found,done,all,weight,families,sorted,strictname)
end
elseif style and style ~= "" then
if width and width ~= "" then
if trace_names then
logs.report("fonts","resolving stage %s, name '%s', style '%s', width '%s'",stage,name,style,width)
end
s_collect_style_width(found,done,all,style,width,family)
m_collect_style_width(found,done,all,style,width,families,sorted,strictname)
else
if trace_names then
logs.report("fonts","resolving stage %s, name '%s', style '%s'",stage,name,style)
end
s_collect_style(found,done,all,style,family)
m_collect_style(found,done,all,style,families,sorted,strictname)
end
elseif width and width ~= "" then
if trace_names then
logs.report("fonts","resolving stage %s, name '%s', width '%s'",stage,name,width)
end
s_collect_width(found,done,all,width,family)
m_collect_width(found,done,all,width,families,sorted,strictname)
else
if trace_names then
logs.report("fonts","resolving stage %s, name '%s'",stage,name)
end
s_collect(found,done,all,family)
m_collect(found,done,all,families,sorted,strictname)
end
end
function heuristic(name,weight,style,width,variant,all) -- todo: fallbacks
local found, done = { }, { }
--~ print(name,weight,style,width,variant)
weight, style, width, variant = weight or "normal", style or "normal", width or "normal", variant or "normal"
name = cleanname(name)
collect(1,found,done,name,weight,style,width,variant,all)
-- still needed ?
if #found == 0 and variant ~= "normal" then -- not weight
variant = "normal"
collect(4,found,done,name,weight,style,width,variant,all)
end
if #found == 0 and width ~= "normal" then
width = "normal"
collect(2,found,done,name,weight,style,width,variant,all)
end
if #found == 0 and weight ~= "normal" then -- not style
weight = "normal"
collect(3,found,done,name,weight,style,width,variant,all)
end
if #found == 0 and style ~= "normal" then -- not weight
style = "normal"
collect(4,found,done,name,weight,style,width,variant,all)
end
--
local nf = #found
if trace_names then
if nf then
local t = { }
for i=1,nf do
t[#t+1] = format("'%s'",found[i].fontname)
end
logs.report("fonts","name '%s' resolved to %s instances: %s",name,nf,concat(t," "))
else
logs.report("fonts","name '%s' unresolved",name)
end
end
if all then
return nf > 0 and found
else
return found[1]
end
end
function names.specification(askedname,weight,style,width,variant,reload,all)
if askedname and askedname ~= "" and names.enabled then
askedname = lower(askedname) -- or cleanname
names.load(reload)
local found = heuristic(askedname,weight,style,width,variant,all)
if not found and is_reloaded() then
found = heuristic(askedname,weight,style,width,variant,all)
if not filename then
found = foundname(askedname) -- old method
end
end
return found
end
end
function names.collect(askedname,weight,style,width,variant,reload,all)
if askedname and askedname ~= "" and names.enabled then
askedname = lower(askedname) -- or cleanname
names.load(reload)
local list = heuristic(askedname,weight,style,width,variant,true)
if not list or #list == 0 and is_reloaded() then
list = heuristic(askedname,weight,style,width,variant,true)
end
return list
end
end
function names.collectspec(askedname,reload,all)
local name, weight, style, width, variant = names.splitspec(askedname)
return names.collect(name,weight,style,width,variant,reload,all)
end
function names.resolvespec(askedname,sub)
local found = names.specification(names.splitspec(askedname))
if found then
return found.filename, found.subfont and found.rawname
end
end
function names.collectfiles(askedname,reload) -- no all
if askedname and askedname ~= "" and names.enabled then
askedname = lower(askedname) -- or cleanname
names.load(reload)
local list = { }
local basename = file.basename
local specifications = names.data.specifications
for i=1,#specifications do
local s = specifications[i]
if find(lower(basename(s.filename)),askedname) then
list[#list+1] = s
end
end
return list
end
end
--[[ldx--
<p>Fallbacks, not permanent but a transition thing.</p>
--ldx]]--
names.new_to_old = {
["lmroman10-capsregular"] = "lmromancaps10-oblique",
["lmroman10-capsoblique"] = "lmromancaps10-regular",
["lmroman10-demi"] = "lmromandemi10-oblique",
["lmroman10-demioblique"] = "lmromandemi10-regular",
["lmroman8-oblique"] = "lmromanslant8-regular",
["lmroman9-oblique"] = "lmromanslant9-regular",
["lmroman10-oblique"] = "lmromanslant10-regular",
["lmroman12-oblique"] = "lmromanslant12-regular",
["lmroman17-oblique"] = "lmromanslant17-regular",
["lmroman10-boldoblique"] = "lmromanslant10-bold",
["lmroman10-dunhill"] = "lmromandunh10-oblique",
["lmroman10-dunhilloblique"] = "lmromandunh10-regular",
["lmroman10-unslanted"] = "lmromanunsl10-regular",
["lmsans10-demicondensed"] = "lmsansdemicond10-regular",
["lmsans10-demicondensedoblique"] = "lmsansdemicond10-oblique",
["lmsansquotation8-bold"] = "lmsansquot8-bold",
["lmsansquotation8-boldoblique"] = "lmsansquot8-boldoblique",
["lmsansquotation8-oblique"] = "lmsansquot8-oblique",
["lmsansquotation8-regular"] = "lmsansquot8-regular",
["lmtypewriter8-regular"] = "lmmono8-regular",
["lmtypewriter9-regular"] = "lmmono9-regular",
["lmtypewriter10-regular"] = "lmmono10-regular",
["lmtypewriter12-regular"] = "lmmono12-regular",
["lmtypewriter10-italic"] = "lmmono10-italic",
["lmtypewriter10-oblique"] = "lmmonoslant10-regular",
["lmtypewriter10-capsoblique"] = "lmmonocaps10-oblique",
["lmtypewriter10-capsregular"] = "lmmonocaps10-regular",
["lmtypewriter10-light"] = "lmmonolt10-regular",
["lmtypewriter10-lightoblique"] = "lmmonolt10-oblique",
["lmtypewriter10-lightcondensed"] = "lmmonoltcond10-regular",
["lmtypewriter10-lightcondensedoblique"] = "lmmonoltcond10-oblique",
["lmtypewriter10-dark"] = "lmmonolt10-bold",
["lmtypewriter10-darkoblique"] = "lmmonolt10-boldoblique",
["lmtypewritervarwd10-regular"] = "lmmonoproplt10-regular",
["lmtypewritervarwd10-oblique"] = "lmmonoproplt10-oblique",
["lmtypewritervarwd10-light"] = "lmmonoprop10-regular",
["lmtypewritervarwd10-lightoblique"] = "lmmonoprop10-oblique",
["lmtypewritervarwd10-dark"] = "lmmonoproplt10-bold",
["lmtypewritervarwd10-darkoblique"] = "lmmonoproplt10-boldoblique",
}
names.old_to_new = table.swapped(names.new_to_old)
function names.exists(name)
local found = false
local list = filters.list
for k=1,#list do
local v = list[k]
found = (resolvers.find_file(name,v) or "") ~= ""
if found then
return found
end
end
return ((resolvers.find_file(name,"tfm") or "") ~= "") or ((names.resolve(name) or "") ~= "")
end
-- for i=1,fonts.names.lookup(pattern) do
-- texio.write_nl(fonts.names.getkey("filename",i))
-- end
local lastlookups, lastpattern = { }, ""
function names.lookup(pattern,name,reload) -- todo: find
if lastpattern ~= pattern then
names.load(reload)
local specifications = names.data.specifications
local families = names.data.families
local lookups = specifications
if name then
lookups = families[name]
elseif not find(pattern,"=") then
lookups = families[pattern]
end
if trace_names then
logs.report("fonts","starting with %s lookups for '%s'",#lookups,pattern)
end
if lookups then
for key, value in gmatch(pattern,"([^=,]+)=([^=,]+)") do
local t = { }
for i=1,#lookups do
local s = lookups[i]
if s[key] == value then
t[#t+1] = lookups[i]
end
end
if trace_names then
logs.report("fonts","%s matches for key '%s' with value '%s'",#t,key,value)
end
lookups = t
end
end
lastpattern = pattern
lastlookups = lookups or { }
end
return #lastlookups
end
function names.getlookupkey(key,n)
local l = lastlookups[n or 1]
return (l and l[key]) or ""
end
function names.noflookups()
return #lastlookups
end
function names.getlookups(pattern,name,reload)
if pattern then
names.lookup(pattern,name,reload)
end
return lastlookups
end
function table.formatcolumns(result)
if result and #result > 0 then
local widths = { }
local first = result[1]
local n = #first
for i=1,n do
widths[i] = 0
end
for i=1,#result do
local r = result[i]
for j=1,n do
local w = #r[j]
if w > widths[j] then
widths[j] = w
end
end
end
for i=1,n do
widths[i] = "%-" .. widths[i] .. "s"
end
local template = concat(widths," ")
for i=1,#result do
local str = format(template,unpack(result[i]))
result[i] = string.strip(str)
end
end
return result
end
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