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util.js
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util.js
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"use strict";
var fs = require("fs"),
path = require("path"),
child_process = require("child_process"),
semver;
var protobuf = require("..");
function basenameCompare(a, b) {
var aa = String(a).replace(/\.\w+$/, "").split(/(-?\d*\.?\d+)/g),
bb = String(b).replace(/\.\w+$/, "").split(/(-?\d*\.?\d+)/g);
for (var i = 0, k = Math.min(aa.length, bb.length); i < k; i++) {
var x = parseFloat(aa[i]) || aa[i].toLowerCase(),
y = parseFloat(bb[i]) || bb[i].toLowerCase();
if (x < y)
return -1;
if (x > y)
return 1;
}
return a.length < b.length ? -1 : 0;
};
exports.requireAll = function requireAll(dirname) {
dirname = path.join(__dirname, dirname);
var files = fs.readdirSync(dirname).sort(basenameCompare),
all = {};
files.forEach(function(file) {
var basename = path.basename(file, ".js"),
extname = path.extname(file);
if (extname === ".js")
all[basename] = require(path.join(dirname, file));
});
return all;
};
exports.inspect = function inspect(object, indent) {
if (!object)
return "";
var chalk = require("chalk");
var sb = [];
if (!indent)
indent = "";
var ind = indent ? indent.substring(0, indent.length - 2) + "└ " : "";
sb.push(
ind + chalk.bold(object.toString()) + (object.visible ? " (visible)" : ""),
indent + chalk.gray("parent: ") + object.parent
);
if (object instanceof protobuf.Field) {
if (object.extend !== undefined)
sb.push(indent + chalk.gray("extend: ") + object.extend);
if (object.partOf)
sb.push(indent + chalk.gray("oneof : ") + object.oneof);
}
sb.push("");
if (object.fieldsArray)
object.fieldsArray.forEach(function(field) {
sb.push(inspect(field, indent + " "));
});
if (object.oneofsArray)
object.oneofsArray.forEach(function(oneof) {
sb.push(inspect(oneof, indent + " "));
});
if (object.methodsArray)
object.methodsArray.forEach(function(service) {
sb.push(inspect(service, indent + " "));
});
if (object.nestedArray)
object.nestedArray.forEach(function(nested) {
sb.push(inspect(nested, indent + " "));
});
return sb.join("\n");
};
function modExists(name, version) {
for (var i = 0; i < module.paths.length; ++i) {
try {
var pkg = JSON.parse(fs.readFileSync(path.join(module.paths[i], name, "package.json")));
return semver
? semver.satisfies(pkg.version, version)
: parseInt(pkg.version, 10) === parseInt(version.replace(/^[\^~]/, ""), 10); // used for semver only
} catch (e) {}
}
return false;
}
function modInstall(install) {
if (typeof install === "string")
install = [ install ];
child_process.execSync("npm --silent install " + install.join(" "), {
cwd: __dirname,
stdio: "ignore"
});
}
exports.setup = function() {
var pkg = require(path.join(__dirname, "..", "package.json"));
var version = pkg.dependencies["semver"] || pkg.devDependencies["semver"];
if (!modExists("semver", version)) {
process.stderr.write("installing semver@" + version + "\n");
modInstall("semver@" + version);
}
semver = require("semver"); // used from now on for version comparison
var install = [];
pkg.cliDependencies.forEach(function(name) {
if (name === "semver")
return;
version = pkg.dependencies[name] || pkg.devDependencies[name];
if (!modExists(name, version)) {
process.stderr.write("installing " + name + "@" + version + "\n");
install.push(name + "@" + version);
}
});
if (!install.length)
return;
modInstall(install);
};
exports.wrap = function(OUTPUT, options) {
var name = options.wrap || "default";
var wrap;
try {
// try built-in wrappers first
wrap = fs.readFileSync(path.join(__dirname, "wrappers", name + ".js")).toString("utf8");
} catch (e) {
// otherwise fetch the custom one
wrap = fs.readFileSync(path.resolve(process.cwd(), name)).toString("utf8");
}
wrap = wrap.replace(/%ROOT%/g, JSON.stringify(options.root || "default"));
wrap = wrap.replace(/%DEPENDENCY%/g, JSON.stringify(options.dependency || "protobufjs"));
wrap = wrap.replace(/( *)%OUTPUT%/, function($0, $1) {
return $1.length ? OUTPUT.replace(/^/mg, $1) : OUTPUT;
});
if (options.lint !== "")
wrap = "/*" + options.lint + "*/\n" + wrap;
return wrap.replace(/\r?\n/, "\n");
};
exports.pad = function(str, len, l) {
while (str.length < len)
str = l ? str + " " : " " + str;
return str;
};
exports.reserved = function(name) {
return /^(?:do|if|in|for|let|new|try|var|case|else|enum|eval|false|null|this|true|void|with|break|catch|class|const|super|throw|while|yield|delete|export|import|public|return|static|switch|typeof|default|extends|finally|package|private|continue|debugger|function|arguments|interface|protected|implements|instanceof)$/.test(name);
};