mirror of
https://github.com/musix-org/musix-oss
synced 2024-12-23 22:33:17 +00:00
330 lines
12 KiB
JavaScript
330 lines
12 KiB
JavaScript
|
"use strict";
|
||
|
var path = require("path"),
|
||
|
fs = require("fs"),
|
||
|
pkg = require("./package.json"),
|
||
|
util = require("./util");
|
||
|
|
||
|
util.setup();
|
||
|
|
||
|
var protobuf = require(util.pathToProtobufJs),
|
||
|
minimist = require("minimist"),
|
||
|
chalk = require("chalk"),
|
||
|
glob = require("glob");
|
||
|
|
||
|
var targets = util.requireAll("./targets");
|
||
|
|
||
|
/**
|
||
|
* Runs pbjs programmatically.
|
||
|
* @param {string[]} args Command line arguments
|
||
|
* @param {function(?Error, string=)} [callback] Optional completion callback
|
||
|
* @returns {number|undefined} Exit code, if known
|
||
|
*/
|
||
|
exports.main = function main(args, callback) {
|
||
|
var lintDefault = "eslint-disable " + [
|
||
|
"block-scoped-var",
|
||
|
"id-length",
|
||
|
"no-control-regex",
|
||
|
"no-magic-numbers",
|
||
|
"no-prototype-builtins",
|
||
|
"no-redeclare",
|
||
|
"no-shadow",
|
||
|
"no-var",
|
||
|
"sort-vars"
|
||
|
].join(", ");
|
||
|
var argv = minimist(args, {
|
||
|
alias: {
|
||
|
target: "t",
|
||
|
out: "o",
|
||
|
path: "p",
|
||
|
wrap: "w",
|
||
|
root: "r",
|
||
|
lint: "l",
|
||
|
// backward compatibility:
|
||
|
"force-long": "strict-long",
|
||
|
"force-message": "strict-message"
|
||
|
},
|
||
|
string: [ "target", "out", "path", "wrap", "dependency", "root", "lint" ],
|
||
|
boolean: [ "create", "encode", "decode", "verify", "convert", "delimited", "beautify", "comments", "es6", "sparse", "keep-case", "force-long", "force-number", "force-enum-string", "force-message" ],
|
||
|
default: {
|
||
|
target: "json",
|
||
|
create: true,
|
||
|
encode: true,
|
||
|
decode: true,
|
||
|
verify: true,
|
||
|
convert: true,
|
||
|
delimited: true,
|
||
|
beautify: true,
|
||
|
comments: true,
|
||
|
es6: null,
|
||
|
lint: lintDefault,
|
||
|
"keep-case": false,
|
||
|
"force-long": false,
|
||
|
"force-number": false,
|
||
|
"force-enum-string": false,
|
||
|
"force-message": false
|
||
|
}
|
||
|
});
|
||
|
|
||
|
var target = targets[argv.target],
|
||
|
files = argv._,
|
||
|
paths = typeof argv.path === "string" ? [ argv.path ] : argv.path || [];
|
||
|
|
||
|
// alias hyphen args in camel case
|
||
|
Object.keys(argv).forEach(function(key) {
|
||
|
var camelKey = key.replace(/-([a-z])/g, function($0, $1) { return $1.toUpperCase(); });
|
||
|
if (camelKey !== key)
|
||
|
argv[camelKey] = argv[key];
|
||
|
});
|
||
|
|
||
|
// protobuf.js package directory contains additional, otherwise non-bundled google types
|
||
|
paths.push(path.relative(process.cwd(), path.join(__dirname, "..")) || ".");
|
||
|
|
||
|
if (!files.length) {
|
||
|
var descs = Object.keys(targets).filter(function(key) { return !targets[key].private; }).map(function(key) {
|
||
|
return " " + util.pad(key, 14, true) + targets[key].description;
|
||
|
});
|
||
|
if (callback)
|
||
|
callback(Error("usage")); // eslint-disable-line callback-return
|
||
|
else
|
||
|
process.stderr.write([
|
||
|
"protobuf.js v" + pkg.version + " CLI for JavaScript",
|
||
|
"",
|
||
|
chalk.bold.white("Translates between file formats and generates static code."),
|
||
|
"",
|
||
|
" -t, --target Specifies the target format. Also accepts a path to require a custom target.",
|
||
|
"",
|
||
|
descs.join("\n"),
|
||
|
"",
|
||
|
" -p, --path Adds a directory to the include path.",
|
||
|
"",
|
||
|
" -o, --out Saves to a file instead of writing to stdout.",
|
||
|
"",
|
||
|
" --sparse Exports only those types referenced from a main file (experimental).",
|
||
|
"",
|
||
|
chalk.bold.gray(" Module targets only:"),
|
||
|
"",
|
||
|
" -w, --wrap Specifies the wrapper to use. Also accepts a path to require a custom wrapper.",
|
||
|
"",
|
||
|
" default Default wrapper supporting both CommonJS and AMD",
|
||
|
" commonjs CommonJS wrapper",
|
||
|
" amd AMD wrapper",
|
||
|
" es6 ES6 wrapper (implies --es6)",
|
||
|
" closure A closure adding to protobuf.roots where protobuf is a global",
|
||
|
"",
|
||
|
" --dependency Specifies which version of protobuf to require. Accepts any valid module id",
|
||
|
"",
|
||
|
" -r, --root Specifies an alternative protobuf.roots name.",
|
||
|
"",
|
||
|
" -l, --lint Linter configuration. Defaults to protobuf.js-compatible rules:",
|
||
|
"",
|
||
|
" " + lintDefault,
|
||
|
"",
|
||
|
" --es6 Enables ES6 syntax (const/let instead of var)",
|
||
|
"",
|
||
|
chalk.bold.gray(" Proto sources only:"),
|
||
|
"",
|
||
|
" --keep-case Keeps field casing instead of converting to camel case.",
|
||
|
"",
|
||
|
chalk.bold.gray(" Static targets only:"),
|
||
|
"",
|
||
|
" --no-create Does not generate create functions used for reflection compatibility.",
|
||
|
" --no-encode Does not generate encode functions.",
|
||
|
" --no-decode Does not generate decode functions.",
|
||
|
" --no-verify Does not generate verify functions.",
|
||
|
" --no-convert Does not generate convert functions like from/toObject",
|
||
|
" --no-delimited Does not generate delimited encode/decode functions.",
|
||
|
" --no-beautify Does not beautify generated code.",
|
||
|
" --no-comments Does not output any JSDoc comments.",
|
||
|
"",
|
||
|
" --force-long Enfores the use of 'Long' for s-/u-/int64 and s-/fixed64 fields.",
|
||
|
" --force-number Enfores the use of 'number' for s-/u-/int64 and s-/fixed64 fields.",
|
||
|
" --force-message Enfores the use of message instances instead of plain objects.",
|
||
|
"",
|
||
|
"usage: " + chalk.bold.green("pbjs") + " [options] file1.proto file2.json ..." + chalk.gray(" (or pipe) ") + "other | " + chalk.bold.green("pbjs") + " [options] -",
|
||
|
""
|
||
|
].join("\n"));
|
||
|
return 1;
|
||
|
}
|
||
|
|
||
|
if (typeof argv["strict-long"] === "boolean")
|
||
|
argv["force-long"] = argv["strict-long"];
|
||
|
|
||
|
// Resolve glob expressions
|
||
|
for (var i = 0; i < files.length;) {
|
||
|
if (glob.hasMagic(files[i])) {
|
||
|
var matches = glob.sync(files[i]);
|
||
|
Array.prototype.splice.apply(files, [i, 1].concat(matches));
|
||
|
i += matches.length;
|
||
|
} else
|
||
|
++i;
|
||
|
}
|
||
|
|
||
|
// Require custom target
|
||
|
if (!target)
|
||
|
target = require(path.resolve(process.cwd(), argv.target));
|
||
|
|
||
|
var root = new protobuf.Root();
|
||
|
|
||
|
var mainFiles = [];
|
||
|
|
||
|
// Search include paths when resolving imports
|
||
|
root.resolvePath = function pbjsResolvePath(origin, target) {
|
||
|
var normOrigin = protobuf.util.path.normalize(origin),
|
||
|
normTarget = protobuf.util.path.normalize(target);
|
||
|
if (!normOrigin)
|
||
|
mainFiles.push(normTarget);
|
||
|
|
||
|
var resolved = protobuf.util.path.resolve(normOrigin, normTarget, true);
|
||
|
var idx = resolved.lastIndexOf("google/protobuf/");
|
||
|
if (idx > -1) {
|
||
|
var altname = resolved.substring(idx);
|
||
|
if (altname in protobuf.common)
|
||
|
resolved = altname;
|
||
|
}
|
||
|
|
||
|
if (fs.existsSync(resolved))
|
||
|
return resolved;
|
||
|
|
||
|
for (var i = 0; i < paths.length; ++i) {
|
||
|
var iresolved = protobuf.util.path.resolve(paths[i] + "/", target);
|
||
|
if (fs.existsSync(iresolved))
|
||
|
return iresolved;
|
||
|
}
|
||
|
|
||
|
return resolved;
|
||
|
};
|
||
|
|
||
|
// Use es6 syntax if not explicitly specified on the command line and the es6 wrapper is used
|
||
|
if (argv.wrap === "es6" || argv.es6) {
|
||
|
argv.wrap = "es6";
|
||
|
argv.es6 = true;
|
||
|
}
|
||
|
|
||
|
var parseOptions = {
|
||
|
"keepCase": argv["keep-case"] || false
|
||
|
};
|
||
|
|
||
|
// Read from stdin
|
||
|
if (files.length === 1 && files[0] === "-") {
|
||
|
var data = [];
|
||
|
process.stdin.on("data", function(chunk) {
|
||
|
data.push(chunk);
|
||
|
});
|
||
|
process.stdin.on("end", function() {
|
||
|
var source = Buffer.concat(data).toString("utf8");
|
||
|
try {
|
||
|
if (source.charAt(0) !== "{") {
|
||
|
protobuf.parse.filename = "-";
|
||
|
protobuf.parse(source, root, parseOptions);
|
||
|
} else {
|
||
|
var json = JSON.parse(source);
|
||
|
root.setOptions(json.options).addJSON(json);
|
||
|
}
|
||
|
callTarget();
|
||
|
} catch (err) {
|
||
|
if (callback) {
|
||
|
callback(err);
|
||
|
return;
|
||
|
}
|
||
|
throw err;
|
||
|
}
|
||
|
});
|
||
|
|
||
|
// Load from disk
|
||
|
} else {
|
||
|
try {
|
||
|
root.loadSync(files, parseOptions).resolveAll(); // sync is deterministic while async is not
|
||
|
if (argv.sparse)
|
||
|
sparsify(root);
|
||
|
callTarget();
|
||
|
} catch (err) {
|
||
|
if (callback) {
|
||
|
callback(err);
|
||
|
return undefined;
|
||
|
}
|
||
|
throw err;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
function markReferenced(tobj) {
|
||
|
tobj.referenced = true;
|
||
|
// also mark a type's fields and oneofs
|
||
|
if (tobj.fieldsArray)
|
||
|
tobj.fieldsArray.forEach(function(fobj) {
|
||
|
fobj.referenced = true;
|
||
|
});
|
||
|
if (tobj.oneofsArray)
|
||
|
tobj.oneofsArray.forEach(function(oobj) {
|
||
|
oobj.referenced = true;
|
||
|
});
|
||
|
// also mark an extension field's extended type, but not its (other) fields
|
||
|
if (tobj.extensionField)
|
||
|
tobj.extensionField.parent.referenced = true;
|
||
|
}
|
||
|
|
||
|
function sparsify(root) {
|
||
|
|
||
|
// 1. mark directly or indirectly referenced objects
|
||
|
util.traverse(root, function(obj) {
|
||
|
if (!obj.filename)
|
||
|
return;
|
||
|
if (mainFiles.indexOf(obj.filename) > -1)
|
||
|
util.traverseResolved(obj, markReferenced);
|
||
|
});
|
||
|
|
||
|
// 2. empty unreferenced objects
|
||
|
util.traverse(root, function(obj) {
|
||
|
var parent = obj.parent;
|
||
|
if (!parent || obj.referenced) // root or referenced
|
||
|
return;
|
||
|
// remove unreferenced namespaces
|
||
|
if (obj instanceof protobuf.Namespace) {
|
||
|
var hasReferenced = false;
|
||
|
util.traverse(obj, function(iobj) {
|
||
|
if (iobj.referenced)
|
||
|
hasReferenced = true;
|
||
|
});
|
||
|
if (hasReferenced) { // replace with plain namespace if a namespace subclass
|
||
|
if (obj instanceof protobuf.Type || obj instanceof protobuf.Service) {
|
||
|
var robj = new protobuf.Namespace(obj.name, obj.options);
|
||
|
robj.nested = obj.nested;
|
||
|
parent.add(robj);
|
||
|
}
|
||
|
} else // remove completely if nothing inside is referenced
|
||
|
parent.remove(obj);
|
||
|
|
||
|
// remove everything else unreferenced
|
||
|
} else if (!(obj instanceof protobuf.Namespace))
|
||
|
parent.remove(obj);
|
||
|
});
|
||
|
|
||
|
// 3. validate that everything is fine
|
||
|
root.resolveAll();
|
||
|
}
|
||
|
|
||
|
function callTarget() {
|
||
|
target(root, argv, function targetCallback(err, output) {
|
||
|
if (err) {
|
||
|
if (callback)
|
||
|
return callback(err);
|
||
|
throw err;
|
||
|
}
|
||
|
try {
|
||
|
if (argv.out)
|
||
|
fs.writeFileSync(argv.out, output, { encoding: "utf8" });
|
||
|
else if (!callback)
|
||
|
process.stdout.write(output, "utf8");
|
||
|
return callback
|
||
|
? callback(null, output)
|
||
|
: undefined;
|
||
|
} catch (err) {
|
||
|
if (callback)
|
||
|
return callback(err);
|
||
|
throw err;
|
||
|
}
|
||
|
});
|
||
|
}
|
||
|
|
||
|
return undefined;
|
||
|
};
|