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Cleanup unnecessary lookups

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be5invis 2022-02-22 21:57:03 -08:00
parent fe940318c9
commit 5dbb9aa20f
1 changed files with 2 additions and 30 deletions
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32
font-src/otl/gsub-cv-ss.ptl
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@ -30,44 +30,14 @@ export : define [buildCVSS sink para glyphStore] : begin
.type 'gsub_multiple'
.substitutions decompositions
# Right Dependent
define rightDependentGroups {.}
foreach { gid g } [glyphStore.namedEntries] : begin
local trigger : RightDependentTrigger.get g
if trigger : begin
if [not rightDependentGroups.(trigger)] : set rightDependentGroups.(trigger) : object
triggerGlyphs : new Set
links : new Map
rightDependentGroups.(trigger).triggerGlyphs.add gid
local links : RightDependentLink.getAll g
if links : foreach { key linked } [Object.entries links] : begin
if [not rightDependentGroups.(key)] : set rightDependentGroups.(key) : object
triggerGlyphs : new Set
links : new Map
rightDependentGroups.(key).links.set gid [glyphStore.ensureExists linked]
define lookupNameDollarShrink : add-lookup sink : object
.type 'gsub_chaining'
.rules : [Array.from : Object.entries rightDependentGroups].map : function kv : begin
local group kv.1
return : chain-rule
[Array.from : group.links.keys] ~> [Array.from : group.links.values]
[Array.from group.triggerGlyphs] ~> look-around
define [addFeatureAndLookup tag lookupName init] : begin
define feature : pick-feature sink [FeatureName tag]
add-common-feature sink feature
define lookup : pick-lookup sink lookupName init
add-feature-lookup feature lookupNameCvDecompose
add-feature-lookup feature lookupNameDollarShrink
add-feature-lookup feature lookupName
sink.lookupDep.push { lookupNameCvDecompose lookupName }
sink.lookupDep.push { lookupName lookupNameDollarShrink }
cvLookupNameSet.add lookupName
@ -109,3 +79,5 @@ export : define [buildCVSS sink para glyphStore] : begin
sink.lookupDep.push { lutnCv lutnSS }
EndLookupBlock rec sink
define [objectIsNotEmpty obj] : obj && [Object.keys obj].length