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This commit is contained in:
be5invis 2023-05-25 19:52:21 -07:00
parent 392e31e7a1
commit fcdbba15fd
9 changed files with 745 additions and 1011 deletions
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37
font-src/support/variant-data.mjs
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@ -281,19 +281,26 @@ class VbStageAlternative {
tryAccept(globalState, localState) {
// Reject if disable conditions match
if (this.shouldReject(localState)) return null;
if (this.evalCondition(this.disableIf, localState)) return null;
// Accept this alternative.
const ans = localState.clone();
ans.stage = this.next;
ans.assignments.set(this.stage, this.key);
if (this.stage === globalState.entry) ans.rankGroup = this.rank;
if (this.keyAffix) ans.addKeyAffix(this.mode, this.keyAffix);
if (this.descriptionJoiner && this.descriptionAffix)
ans.addDescription(this.mode, this.descriptionJoiner, this.descriptionAffix);
if (this.selectorAffix)
if (this.keyAffix) ans.addKeyAffix(this.mode, this.evalValue(this.keyAffix, localState));
if (this.descriptionJoiner && this.descriptionAffix) {
ans.addDescription(
this.mode,
this.evalValue(this.descriptionJoiner, localState),
this.evalValue(this.descriptionAffix, localState)
);
}
if (this.selectorAffix) {
for (const [selector, suffix] of Object.entries(this.selectorAffix))
ans.addSelectorAffix(this.mode, selector, suffix);
ans.addSelectorAffix(this.mode, selector, this.evalValue(suffix, localState));
}
if (!this.next || this.next === "END") {
ans.rank = ++globalState.rank;
@ -304,10 +311,22 @@ class VbStageAlternative {
}
}
shouldReject(localState) {
if (!this.disableIf) return false;
evalValue(expr, localState) {
if (typeof expr === "string") return expr;
if (expr.if) {
const condition = this.evalCondition(expr.if, localState);
if (condition) {
return this.evalCondition(expr.then, localState);
} else {
return this.evalCondition(expr.else, localState);
}
}
}
for (const branch of this.disableIf) {
evalCondition(expr, localState) {
if (!expr) return false;
for (const branch of expr) {
let statementMatches = true;
for (let [k, v] of Object.entries(branch)) {
v = v.trim();