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website/functions/node_modules/protobufjs/cli/pbjs.js

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+"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;
+};