diff options
Diffstat (limited to 'luaotfload-auxiliary.lua')
| -rw-r--r-- | luaotfload-auxiliary.lua | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/luaotfload-auxiliary.lua b/luaotfload-auxiliary.lua index a5f22dd..f7886be 100644 --- a/luaotfload-auxiliary.lua +++ b/luaotfload-auxiliary.lua @@ -174,6 +174,44 @@ end aux.do_if_glyph_else = do_if_glyph_else +--- this one is approximately “name_to_slot” from the microtype +--- package + +--- string -> (int | false) +local codepoint_of_name = function (glyphname) + local fontdata = identifiers[font.current()] + if fontdata then + local unicode = fontdata.resources.unicodes[glyphname] + if unicode and type(unicode) == "number" then + return unicode + else + return unicode[1] --- again, does that even happen? + end + end + return false +end + +aux.codepoint_of_name = codepoint_of_name + +--- inverse of above + +local indices + +--- int -> (string | false) +local name_of_codepoint = function (codepoint) + if not indices then --- this will load the glyph list + local unicodes = fonts.encodings.agl.unicodes + indices = table.swapped(unicodes) + end + local glyphname = indices[codepoint] + if glyphname then + return glyphname + end + return false +end + +aux.name_of_codepoint = name_of_codepoint + ----------------------------------------------------------------------- --- features / scripts / languages ----------------------------------------------------------------------- |