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-rw-r--r--src/luaotfload-auxiliary.lua12
1 files changed, 9 insertions, 3 deletions
diff --git a/src/luaotfload-auxiliary.lua b/src/luaotfload-auxiliary.lua
index 89bf51b..b05d491 100644
--- a/src/luaotfload-auxiliary.lua
+++ b/src/luaotfload-auxiliary.lua
@@ -417,7 +417,9 @@ least one feature.
local provides_script = function (font_id, asked_script)
asked_script = stringlower(asked_script)
if font_id and font_id > 0 then
- local fontdata = identifiers[font_id].shared.rawdata
+ local tfmdata = identifiers[font_id] if not tfmdata then return false end
+ local shared = tfmdata.shared if not shared then return false end
+ local fontdata = shared.rawdata if not fontdata then return false end
if fontdata then
local fontname = fontdata.metadata.fontname
local features = fontdata.resources.features
@@ -455,7 +457,9 @@ local provides_language = function (font_id, asked_script, asked_language)
asked_script = stringlower(asked_script)
asked_language = stringlower(asked_language)
if font_id and font_id > 0 then
- local fontdata = identifiers[font_id].shared.rawdata
+ local tfmdata = identifiers[font_id] if not tfmdata then return false end
+ local shared = tfmdata.shared if not shared then return false end
+ local fontdata = shared.rawdata if not fontdata then return false end
if fontdata then
local fontname = fontdata.metadata.fontname
local features = fontdata.resources.features
@@ -527,7 +531,9 @@ local provides_feature = function (font_id, asked_script,
asked_feature = lpegmatch(strip_garbage, asked_feature)
if font_id and font_id > 0 then
- local fontdata = identifiers[font_id].shared.rawdata
+ local tfmdata = identifiers[font_id] if not tfmdata then return false end
+ local shared = tfmdata.shared if not shared then return false end
+ local fontdata = shared.rawdata if not fontdata then return false end
if fontdata then
local features = fontdata.resources.features
local fontname = fontdata.metadata.fontname