113 lines
3.4 KiB
JavaScript
113 lines
3.4 KiB
JavaScript
"use strict";
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const fs = require("fs-extra");
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const path = require("path");
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const BuildFont = require("./build-font.js");
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const Parameters = require("../support/parameters");
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const FormVariantData = require("../support/variant-data");
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const FormLigationData = require("../support/ligation-data");
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const { AnyCv } = require("../support/gr");
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const Toml = require("toml");
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module.exports = async function main(argv) {
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const para = await getParameters(argv);
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const font = BuildFont(para);
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if (argv.oCharMap) await saveCharMap(argv, font);
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if (argv.o) await saveOtd(argv, font);
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};
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// Parameter preparation
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async function getParameters(argv) {
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const PARAMETERS_TOML = path.resolve(__dirname, "../params/parameters.toml");
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const PRIVATE_TOML = path.resolve(__dirname, "../params/private-parameters.toml");
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const VARIANTS_TOML = path.resolve(__dirname, "../params/variants.toml");
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const LIGATIONS_TOML = path.resolve(__dirname, "../params/ligation-set.toml");
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const parametersData = Object.assign(
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{},
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await tryParseToml(PARAMETERS_TOML),
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(await fs.exists(PRIVATE_TOML)) ? await tryParseToml(PRIVATE_TOML) : []
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);
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const rawVariantsData = await tryParseToml(VARIANTS_TOML);
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const rawLigationData = await tryParseToml(LIGATIONS_TOML);
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const para = Parameters.build(parametersData, argv.hives, {
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shapeWeight: argv.shape.weight,
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shapeWidth: argv.shape.width
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});
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const variantsData = FormVariantData(rawVariantsData, para);
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para.variants = variantsData;
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para.variantSelector = Parameters.build(variantsData, ["default", ...argv.hives]);
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para.defaultVariant = variantsData.default;
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const ligationData = FormLigationData(rawLigationData, para);
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para.defaultBuildup = ligationData.defaultBuildup;
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para.ligation = Parameters.build(ligationData.hives, ["default", ...argv.hives]);
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if (argv.excludedCharRanges) para.excludedCodePointRanges = argv.excludedCharRanges;
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if (argv.compatibilityLigatures) para.compLig = argv.compatibilityLigatures;
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if (argv.metricOverride) Parameters.applyMetricOverride(para, argv.metricOverride);
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para.naming = {
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family: argv.menu.family,
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version: argv.menu.version,
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weight: argv.menu.weight - 0,
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width: argv.menu.width - 0,
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slant: argv.menu.slant
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};
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return para;
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}
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async function tryParseToml(str) {
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try {
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return Toml.parse(await fs.readFile(str, "utf-8"));
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} catch (e) {
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throw new Error(
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`Failed to parse configuration file ${str}.\nPlease validate whether there's syntax error.\n${e}`
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);
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}
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}
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// Save OTD
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async function saveOtd(argv, font) {
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if (argv.o === "|") {
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process.stdout.write(JSON.stringify(font));
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} else {
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await fs.writeFile(argv.o, JSON.stringify(font, null, " "));
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}
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}
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// Save char map
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function objHashNonEmpty(obj) {
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if (!obj) return false;
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for (let k in obj) if (obj[k]) return true;
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return false;
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}
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async function saveCharMap(argv, font) {
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let charMap = [];
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for (const gid in font.glyf) {
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const glyph = font.glyf[gid];
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if (!glyph) continue;
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const glyphIsHidden = /^\./.test(gid);
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const typographicFeatures = [];
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if (!glyphIsHidden) {
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if (/\.NWID$/.test(gid) || /\.WWID$/.test(gid))
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typographicFeatures.push("NWID", "WWID");
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if (/\.lnum$/.test(gid) || /\.onum$/.test(gid))
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typographicFeatures.push("lnum", "onum");
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}
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charMap.push([
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glyph.name,
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glyph.unicode,
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typographicFeatures,
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AnyCv.query(glyph).map(gr => gr.tag)
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]);
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}
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await fs.writeFile(argv.oCharMap, JSON.stringify(charMap), "utf8");
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}
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