diff options
Diffstat (limited to 'tex/context/modules/mkiv/s-fonts-features.lua')
| -rw-r--r-- | tex/context/modules/mkiv/s-fonts-features.lua | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/tex/context/modules/mkiv/s-fonts-features.lua b/tex/context/modules/mkiv/s-fonts-features.lua index 34268c171..eb64e4c8f 100644 --- a/tex/context/modules/mkiv/s-fonts-features.lua +++ b/tex/context/modules/mkiv/s-fonts-features.lua @@ -200,6 +200,8 @@ function moduledata.fonts.features.showfeatureset(specification) end end +-- The next one looks a bit like the collector in font-oup.lua. + local function collectligatures(tfmdata) local sequences = tfmdata.resources.sequences @@ -207,18 +209,28 @@ local function collectligatures(tfmdata) return end + -- Mostly the same as s-fonts-tables so we should make a helper. + local series = { } local stack = { } local max = 0 + local function add(v) + local n = #stack + if n > max then + max = n + end + series[#series+1] = { v, unpack(stack) } + end + local function make(tree) for k, v in sortedhash(tree) do if k == "ligature" then - local n = #stack - if n > max then - max = n - end - series[#series+1] = { v, unpack(stack) } + add(v) + elseif tonumber(v) then + insert(stack,k) + add(v) + remove(stack) else insert(stack,k) make(v) |