diff options
Diffstat (limited to 'tex/context/base/font-oth.lua')
| -rw-r--r-- | tex/context/base/font-oth.lua | 102 |
1 files changed, 51 insertions, 51 deletions
diff --git a/tex/context/base/font-oth.lua b/tex/context/base/font-oth.lua index 5e2e567da..59dca31d9 100644 --- a/tex/context/base/font-oth.lua +++ b/tex/context/base/font-oth.lua @@ -1,51 +1,51 @@ -if not modules then modules = { } end modules ['font-oth'] = {
- version = 1.001,
- comment = "companion to font-oth.lua (helpers)",
- author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
- copyright = "PRAGMA ADE / ConTeXt Development Team",
- license = "see context related readme files"
-}
-
-local fonts = fonts
-local otf = fonts.handlers.otf
-
--- todo: use nodemode data is available
-
-function otf.getalternate(tfmdata,k,kind,value) -- just initialize nodemode and use that (larger mem print)
- if value then
- local description = tfmdata.descriptions[k]
- if description then
- local slookups = description.slookups -- we assume only slookups (we can always extend)
- if slookups then
- local shared = tfmdata.shared
- local rawdata = shared and shared.rawdata
- if rawdata then
- local lookuptypes = rawdata.resources.lookuptypes
- if lookuptypes then
- local properties = tfmdata.properties
- -- we could cache these
- local validlookups, lookuplist = otf.collectlookups(rawdata,kind,properties.script,properties.language)
- if validlookups then
- local choice = tonumber(value) or 1 -- no random here (yet)
- for l=1,#lookuplist do
- local lookup = lookuplist[l]
- local found = slookups[lookup]
- if found then
- local lookuptype = lookuptypes[lookup]
- if lookuptype == "substitution" then
- return found
- elseif lookuptype == "alternate" then
- return found[choice] or found[#found]
- else
- -- ignore
- end
- end
- end
- end
- end
- end
- end
- end
- end
- return k
-end
+if not modules then modules = { } end modules ['font-oth'] = { + version = 1.001, + comment = "companion to font-oth.lua (helpers)", + author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", + copyright = "PRAGMA ADE / ConTeXt Development Team", + license = "see context related readme files" +} + +local fonts = fonts +local otf = fonts.handlers.otf + +-- todo: use nodemode data is available + +function otf.getalternate(tfmdata,k,kind,value) -- just initialize nodemode and use that (larger mem print) + if value then + local description = tfmdata.descriptions[k] + if description then + local slookups = description.slookups -- we assume only slookups (we can always extend) + if slookups then + local shared = tfmdata.shared + local rawdata = shared and shared.rawdata + if rawdata then + local lookuptypes = rawdata.resources.lookuptypes + if lookuptypes then + local properties = tfmdata.properties + -- we could cache these + local validlookups, lookuplist = otf.collectlookups(rawdata,kind,properties.script,properties.language) + if validlookups then + local choice = tonumber(value) or 1 -- no random here (yet) + for l=1,#lookuplist do + local lookup = lookuplist[l] + local found = slookups[lookup] + if found then + local lookuptype = lookuptypes[lookup] + if lookuptype == "substitution" then + return found + elseif lookuptype == "alternate" then + return found[choice] or found[#found] + else + -- ignore + end + end + end + end + end + end + end + end + end + return k +end |