+++ /dev/null
-var path = require('path');
-var minimist = require('minimist');
-var wordwrap = require('wordwrap');
-
-/* Hack an instance of Argv with process.argv into Argv
- so people can do
- require('optimist')(['--beeble=1','-z','zizzle']).argv
- to parse a list of args and
- require('optimist').argv
- to get a parsed version of process.argv.
-*/
-
-var inst = Argv(process.argv.slice(2));
-Object.keys(inst).forEach(function (key) {
- Argv[key] = typeof inst[key] == 'function'
- ? inst[key].bind(inst)
- : inst[key];
-});
-
-var exports = module.exports = Argv;
-function Argv (processArgs, cwd) {
- var self = {};
- if (!cwd) cwd = process.cwd();
-
- self.$0 = process.argv
- .slice(0,2)
- .map(function (x) {
- var b = rebase(cwd, x);
- return x.match(/^\//) && b.length < x.length
- ? b : x
- })
- .join(' ')
- ;
-
- if (process.env._ != undefined && process.argv[1] == process.env._) {
- self.$0 = process.env._.replace(
- path.dirname(process.execPath) + '/', ''
- );
- }
-
- var options = {
- boolean: [],
- string: [],
- alias: {},
- default: []
- };
-
- self.boolean = function (bools) {
- options.boolean.push.apply(options.boolean, [].concat(bools));
- return self;
- };
-
- self.string = function (strings) {
- options.string.push.apply(options.string, [].concat(strings));
- return self;
- };
-
- self.default = function (key, value) {
- if (typeof key === 'object') {
- Object.keys(key).forEach(function (k) {
- self.default(k, key[k]);
- });
- }
- else {
- options.default[key] = value;
- }
- return self;
- };
-
- self.alias = function (x, y) {
- if (typeof x === 'object') {
- Object.keys(x).forEach(function (key) {
- self.alias(key, x[key]);
- });
- }
- else {
- options.alias[x] = (options.alias[x] || []).concat(y);
- }
- return self;
- };
-
- var demanded = {};
- self.demand = function (keys) {
- if (typeof keys == 'number') {
- if (!demanded._) demanded._ = 0;
- demanded._ += keys;
- }
- else if (Array.isArray(keys)) {
- keys.forEach(function (key) {
- self.demand(key);
- });
- }
- else {
- demanded[keys] = true;
- }
-
- return self;
- };
-
- var usage;
- self.usage = function (msg, opts) {
- if (!opts && typeof msg === 'object') {
- opts = msg;
- msg = null;
- }
-
- usage = msg;
-
- if (opts) self.options(opts);
-
- return self;
- };
-
- function fail (msg) {
- self.showHelp();
- if (msg) console.error(msg);
- process.exit(1);
- }
-
- var checks = [];
- self.check = function (f) {
- checks.push(f);
- return self;
- };
-
- var descriptions = {};
- self.describe = function (key, desc) {
- if (typeof key === 'object') {
- Object.keys(key).forEach(function (k) {
- self.describe(k, key[k]);
- });
- }
- else {
- descriptions[key] = desc;
- }
- return self;
- };
-
- self.parse = function (args) {
- return parseArgs(args);
- };
-
- self.option = self.options = function (key, opt) {
- if (typeof key === 'object') {
- Object.keys(key).forEach(function (k) {
- self.options(k, key[k]);
- });
- }
- else {
- if (opt.alias) self.alias(key, opt.alias);
- if (opt.demand) self.demand(key);
- if (typeof opt.default !== 'undefined') {
- self.default(key, opt.default);
- }
-
- if (opt.boolean || opt.type === 'boolean') {
- self.boolean(key);
- }
- if (opt.string || opt.type === 'string') {
- self.string(key);
- }
-
- var desc = opt.describe || opt.description || opt.desc;
- if (desc) {
- self.describe(key, desc);
- }
- }
-
- return self;
- };
-
- var wrap = null;
- self.wrap = function (cols) {
- wrap = cols;
- return self;
- };
-
- self.showHelp = function (fn) {
- if (!fn) fn = console.error;
- fn(self.help());
- };
-
- self.help = function () {
- var keys = Object.keys(
- Object.keys(descriptions)
- .concat(Object.keys(demanded))
- .concat(Object.keys(options.default))
- .reduce(function (acc, key) {
- if (key !== '_') acc[key] = true;
- return acc;
- }, {})
- );
-
- var help = keys.length ? [ 'Options:' ] : [];
-
- if (usage) {
- help.unshift(usage.replace(/\$0/g, self.$0), '');
- }
-
- var switches = keys.reduce(function (acc, key) {
- acc[key] = [ key ].concat(options.alias[key] || [])
- .map(function (sw) {
- return (sw.length > 1 ? '--' : '-') + sw
- })
- .join(', ')
- ;
- return acc;
- }, {});
-
- var switchlen = longest(Object.keys(switches).map(function (s) {
- return switches[s] || '';
- }));
-
- var desclen = longest(Object.keys(descriptions).map(function (d) {
- return descriptions[d] || '';
- }));
-
- keys.forEach(function (key) {
- var kswitch = switches[key];
- var desc = descriptions[key] || '';
-
- if (wrap) {
- desc = wordwrap(switchlen + 4, wrap)(desc)
- .slice(switchlen + 4)
- ;
- }
-
- var spadding = new Array(
- Math.max(switchlen - kswitch.length + 3, 0)
- ).join(' ');
-
- var dpadding = new Array(
- Math.max(desclen - desc.length + 1, 0)
- ).join(' ');
-
- var type = null;
-
- if (options.boolean[key]) type = '[boolean]';
- if (options.string[key]) type = '[string]';
-
- if (!wrap && dpadding.length > 0) {
- desc += dpadding;
- }
-
- var prelude = ' ' + kswitch + spadding;
- var extra = [
- type,
- demanded[key]
- ? '[required]'
- : null
- ,
- options.default[key] !== undefined
- ? '[default: ' + JSON.stringify(options.default[key]) + ']'
- : null
- ,
- ].filter(Boolean).join(' ');
-
- var body = [ desc, extra ].filter(Boolean).join(' ');
-
- if (wrap) {
- var dlines = desc.split('\n');
- var dlen = dlines.slice(-1)[0].length
- + (dlines.length === 1 ? prelude.length : 0)
-
- body = desc + (dlen + extra.length > wrap - 2
- ? '\n'
- + new Array(wrap - extra.length + 1).join(' ')
- + extra
- : new Array(wrap - extra.length - dlen + 1).join(' ')
- + extra
- );
- }
-
- help.push(prelude + body);
- });
-
- help.push('');
- return help.join('\n');
- };
-
- Object.defineProperty(self, 'argv', {
- get : function () { return parseArgs(processArgs) },
- enumerable : true,
- });
-
- function parseArgs (args) {
- var argv = minimist(args, options);
- argv.$0 = self.$0;
-
- if (demanded._ && argv._.length < demanded._) {
- fail('Not enough non-option arguments: got '
- + argv._.length + ', need at least ' + demanded._
- );
- }
-
- var missing = [];
- Object.keys(demanded).forEach(function (key) {
- if (!argv[key]) missing.push(key);
- });
-
- if (missing.length) {
- fail('Missing required arguments: ' + missing.join(', '));
- }
-
- checks.forEach(function (f) {
- try {
- if (f(argv) === false) {
- fail('Argument check failed: ' + f.toString());
- }
- }
- catch (err) {
- fail(err)
- }
- });
-
- return argv;
- }
-
- function longest (xs) {
- return Math.max.apply(
- null,
- xs.map(function (x) { return x.length })
- );
- }
-
- return self;
-};
-
-// rebase an absolute path to a relative one with respect to a base directory
-// exported for tests
-exports.rebase = rebase;
-function rebase (base, dir) {
- var ds = path.normalize(dir).split('/').slice(1);
- var bs = path.normalize(base).split('/').slice(1);
-
- for (var i = 0; ds[i] && ds[i] == bs[i]; i++);
- ds.splice(0, i); bs.splice(0, i);
-
- var p = path.normalize(
- bs.map(function () { return '..' }).concat(ds).join('/')
- ).replace(/\/$/,'').replace(/^$/, '.');
- return p.match(/^[.\/]/) ? p : './' + p;
-};
projects / VSoRC / .git / blobdiff