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Cache the entire geometry flattener

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This commit is contained in:
be5invis 2021-04-17 15:42:07 -07:00
parent edbe5ff47e
commit 4c8de9f025
4 changed files with 95 additions and 56 deletions
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31
font-src/caching/index.js
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@ -3,39 +3,38 @@
const fs = require("fs-extra");
const zlib = require("zlib");
const EDITION = "Iosevka.PTCache.1";
class Cache {
constructor() {
this.ptSource = {};
this.ptSink = {};
this.gfSource = {};
this.gfSink = {};
}
loadRep(rep) {
if (!rep || rep.edition !== EDITION) return;
this.ptSource = rep.pt;
loadRep(version, rep) {
if (!rep || rep.version !== version) return;
this.gfSource = rep.gf || {};
}
toRep() {
return { edition: EDITION, pt: this.ptSink };
toRep(version) {
return { version, gf: this.gfSink };
}
// Path conversion cache
getPT(ck) {
return this.ptSource[ck];
// Geometry flattening conversion cache
getGF(ck) {
return this.gfSource[ck];
}
savePT(ck, val) {
this.ptSink[ck] = val;
saveGF(ck, val) {
this.gfSink[ck] = val;
}
}
exports.load = async function (argv) {
let cache = new Cache();
if (argv.oCache && fs.existsSync(argv.oCache)) {
cache.loadRep(unzip(await fs.readFile(argv.oCache)));
cache.loadRep(argv.menu.version, unzip(await fs.readFile(argv.oCache)));
}
return cache;
};
exports.save = async function savePTCache(argv, cache) {
if (argv.oCache) await fs.writeFile(argv.oCache, zip(cache.toRep()));
if (argv.oCache) await fs.writeFile(argv.oCache, zip(cache.toRep(argv.menu.version)));
};
function unzip(buf) {