--- /dev/null
+// fancy-pants parsing of argv, originally forked
+// from minimist: https://www.npmjs.com/package/minimist
+var camelCase = require('camelcase')
+var path = require('path')
+
+function increment (orig) {
+ return orig !== undefined ? orig + 1 : 0
+}
+
+module.exports = function (args, opts, y18n) {
+ if (!opts) opts = {}
+
+ var __ = y18n.__
+ var error = null
+ var flags = { arrays: {}, bools: {}, strings: {}, counts: {}, normalize: {}, configs: {}, defaulted: {} }
+
+ ;[].concat(opts['array']).filter(Boolean).forEach(function (key) {
+ flags.arrays[key] = true
+ })
+
+ ;[].concat(opts['boolean']).filter(Boolean).forEach(function (key) {
+ flags.bools[key] = true
+ })
+
+ ;[].concat(opts.string).filter(Boolean).forEach(function (key) {
+ flags.strings[key] = true
+ })
+
+ ;[].concat(opts.count).filter(Boolean).forEach(function (key) {
+ flags.counts[key] = true
+ })
+
+ ;[].concat(opts.normalize).filter(Boolean).forEach(function (key) {
+ flags.normalize[key] = true
+ })
+
+ Object.keys(opts.config).forEach(function (k) {
+ flags.configs[k] = opts.config[k]
+ })
+
+ var aliases = {}
+ var newAliases = {}
+
+ extendAliases(opts.key)
+ extendAliases(opts.alias)
+ extendAliases(opts.default)
+
+ var defaults = opts['default'] || {}
+ Object.keys(defaults).forEach(function (key) {
+ if (/-/.test(key) && !opts.alias[key]) {
+ aliases[key] = aliases[key] || []
+ }
+ (aliases[key] || []).forEach(function (alias) {
+ defaults[alias] = defaults[key]
+ })
+ })
+
+ var argv = { _: [] }
+
+ Object.keys(flags.bools).forEach(function (key) {
+ setArg(key, !(key in defaults) ? false : defaults[key])
+ setDefaulted(key)
+ })
+
+ var notFlags = []
+ if (args.indexOf('--') !== -1) {
+ notFlags = args.slice(args.indexOf('--') + 1)
+ args = args.slice(0, args.indexOf('--'))
+ }
+
+ for (var i = 0; i < args.length; i++) {
+ var arg = args[i]
+ var broken
+ var key
+ var letters
+ var m
+ var next
+ var value
+
+ // -- seperated by =
+ if (arg.match(/^--.+=/)) {
+ // Using [\s\S] instead of . because js doesn't support the
+ // 'dotall' regex modifier. See:
+ // http://stackoverflow.com/a/1068308/13216
+ m = arg.match(/^--([^=]+)=([\s\S]*)$/)
+
+ // nargs format = '--f=monkey washing cat'
+ if (checkAllAliases(m[1], opts.narg)) {
+ args.splice(i + 1, m[1], m[2])
+ i = eatNargs(i, m[1], args)
+ // arrays format = '--f=a b c'
+ } else if (checkAllAliases(m[1], flags.arrays) && args.length > i + 1) {
+ args.splice(i + 1, m[1], m[2])
+ i = eatArray(i, m[1], args)
+ } else {
+ setArg(m[1], m[2])
+ }
+ } else if (arg.match(/^--no-.+/)) {
+ key = arg.match(/^--no-(.+)/)[1]
+ setArg(key, false)
+
+ // -- seperated by space.
+ } else if (arg.match(/^--.+/)) {
+ key = arg.match(/^--(.+)/)[1]
+
+ // nargs format = '--foo a b c'
+ if (checkAllAliases(key, opts.narg)) {
+ i = eatNargs(i, key, args)
+ // array format = '--foo a b c'
+ } else if (checkAllAliases(key, flags.arrays) && args.length > i + 1) {
+ i = eatArray(i, key, args)
+ } else {
+ next = args[i + 1]
+
+ if (next !== undefined && !next.match(/^-/) &&
+ !checkAllAliases(key, flags.bools) &&
+ !checkAllAliases(key, flags.counts)) {
+ setArg(key, next)
+ i++
+ } else if (/^(true|false)$/.test(next)) {
+ setArg(key, next)
+ i++
+ } else {
+ setArg(key, defaultForType(guessType(key, flags)))
+ }
+ }
+
+ // dot-notation flag seperated by '='.
+ } else if (arg.match(/^-.\..+=/)) {
+ m = arg.match(/^-([^=]+)=([\s\S]*)$/)
+ setArg(m[1], m[2])
+
+ // dot-notation flag seperated by space.
+ } else if (arg.match(/^-.\..+/)) {
+ next = args[i + 1]
+ key = arg.match(/^-(.\..+)/)[1]
+
+ if (next !== undefined && !next.match(/^-/) &&
+ !checkAllAliases(key, flags.bools) &&
+ !checkAllAliases(key, flags.counts)) {
+ setArg(key, next)
+ i++
+ } else {
+ setArg(key, defaultForType(guessType(key, flags)))
+ }
+ } else if (arg.match(/^-[^-]+/)) {
+ letters = arg.slice(1, -1).split('')
+ broken = false
+
+ for (var j = 0; j < letters.length; j++) {
+ next = arg.slice(j + 2)
+
+ if (letters[j + 1] && letters[j + 1] === '=') {
+ value = arg.slice(j + 3)
+ key = letters[j]
+
+ // nargs format = '-f=monkey washing cat'
+ if (checkAllAliases(letters[j], opts.narg)) {
+ args.splice(i + 1, 0, value)
+ i = eatNargs(i, key, args)
+ // array format = '-f=a b c'
+ } else if (checkAllAliases(key, flags.arrays) && args.length > i + 1) {
+ args.splice(i + 1, 0, value)
+ i = eatArray(i, key, args)
+ } else {
+ setArg(key, value)
+ }
+
+ broken = true
+ break
+ }
+
+ if (next === '-') {
+ setArg(letters[j], next)
+ continue
+ }
+
+ if (/[A-Za-z]/.test(letters[j]) &&
+ /-?\d+(\.\d*)?(e-?\d+)?$/.test(next)) {
+ setArg(letters[j], next)
+ broken = true
+ break
+ }
+
+ if (letters[j + 1] && letters[j + 1].match(/\W/)) {
+ setArg(letters[j], arg.slice(j + 2))
+ broken = true
+ break
+ } else {
+ setArg(letters[j], defaultForType(guessType(letters[j], flags)))
+ }
+ }
+
+ key = arg.slice(-1)[0]
+
+ if (!broken && key !== '-') {
+ // nargs format = '-f a b c'
+ if (checkAllAliases(key, opts.narg)) {
+ i = eatNargs(i, key, args)
+ // array format = '-f a b c'
+ } else if (checkAllAliases(key, flags.arrays) && args.length > i + 1) {
+ i = eatArray(i, key, args)
+ } else {
+ if (args[i + 1] && !/^(-|--)[^-]/.test(args[i + 1]) &&
+ !checkAllAliases(key, flags.bools) &&
+ !checkAllAliases(key, flags.counts)) {
+ setArg(key, args[i + 1])
+ i++
+ } else if (args[i + 1] && /true|false/.test(args[i + 1])) {
+ setArg(key, args[i + 1])
+ i++
+ } else {
+ setArg(key, defaultForType(guessType(key, flags)))
+ }
+ }
+ }
+ } else {
+ argv._.push(
+ flags.strings['_'] || !isNumber(arg) ? arg : Number(arg)
+ )
+ }
+ }
+
+ // order of precedence:
+ // 1. command line arg
+ // 2. value from config file
+ // 3. value from env var
+ // 4. configured default value
+ applyEnvVars(opts, argv, true) // special case: check env vars that point to config file
+ setConfig(argv)
+ applyEnvVars(opts, argv, false)
+ applyDefaultsAndAliases(argv, aliases, defaults)
+
+ Object.keys(flags.counts).forEach(function (key) {
+ setArg(key, defaults[key])
+ })
+
+ notFlags.forEach(function (key) {
+ argv._.push(key)
+ })
+
+ // how many arguments should we consume, based
+ // on the nargs option?
+ function eatNargs (i, key, args) {
+ var toEat = checkAllAliases(key, opts.narg)
+
+ if (args.length - (i + 1) < toEat) error = Error(__('Not enough arguments following: %s', key))
+
+ for (var ii = i + 1; ii < (toEat + i + 1); ii++) {
+ setArg(key, args[ii])
+ }
+
+ return (i + toEat)
+ }
+
+ // if an option is an array, eat all non-hyphenated arguments
+ // following it... YUM!
+ // e.g., --foo apple banana cat becomes ["apple", "banana", "cat"]
+ function eatArray (i, key, args) {
+ for (var ii = i + 1; ii < args.length; ii++) {
+ if (/^-/.test(args[ii])) break
+ i = ii
+ setArg(key, args[ii])
+ }
+
+ return i
+ }
+
+ function setArg (key, val) {
+ unsetDefaulted(key)
+
+ // handle parsing boolean arguments --foo=true --bar false.
+ if (checkAllAliases(key, flags.bools) || checkAllAliases(key, flags.counts)) {
+ if (typeof val === 'string') val = val === 'true'
+ }
+
+ if (/-/.test(key) && !(aliases[key] && aliases[key].length)) {
+ var c = camelCase(key)
+ aliases[key] = [c]
+ newAliases[c] = true
+ }
+
+ var value = !checkAllAliases(key, flags.strings) && isNumber(val) ? Number(val) : val
+
+ if (checkAllAliases(key, flags.counts)) {
+ value = increment
+ }
+
+ var splitKey = key.split('.')
+ setKey(argv, splitKey, value)
+
+ // alias references an inner-value within
+ // a dot-notation object. see #279.
+ if (~key.indexOf('.') && aliases[key]) {
+ aliases[key].forEach(function (x) {
+ x = x.split('.')
+ setKey(argv, x, value)
+ })
+ }
+
+ ;(aliases[splitKey[0]] || []).forEach(function (x) {
+ x = x.split('.')
+
+ // handle populating dot notation for both
+ // the key and its aliases.
+ if (splitKey.length > 1) {
+ var a = [].concat(splitKey)
+ a.shift() // nuke the old key.
+ x = x.concat(a)
+ }
+
+ setKey(argv, x, value)
+ })
+
+ var keys = [key].concat(aliases[key] || [])
+ for (var i = 0, l = keys.length; i < l; i++) {
+ if (flags.normalize[keys[i]]) {
+ keys.forEach(function (key) {
+ argv.__defineSetter__(key, function (v) {
+ val = path.normalize(v)
+ })
+
+ argv.__defineGetter__(key, function () {
+ return typeof val === 'string' ? path.normalize(val) : val
+ })
+ })
+ break
+ }
+ }
+ }
+
+ // set args from config.json file, this should be
+ // applied last so that defaults can be applied.
+ function setConfig (argv) {
+ var configLookup = {}
+
+ // expand defaults/aliases, in-case any happen to reference
+ // the config.json file.
+ applyDefaultsAndAliases(configLookup, aliases, defaults)
+
+ Object.keys(flags.configs).forEach(function (configKey) {
+ var configPath = argv[configKey] || configLookup[configKey]
+ if (configPath) {
+ try {
+ var config = null
+ var resolvedConfigPath = path.resolve(process.cwd(), configPath)
+
+ if (typeof flags.configs[configKey] === 'function') {
+ try {
+ config = flags.configs[configKey](resolvedConfigPath)
+ } catch (e) {
+ config = e
+ }
+ if (config instanceof Error) {
+ error = config
+ return
+ }
+ } else {
+ config = require(resolvedConfigPath)
+ }
+
+ Object.keys(config).forEach(function (key) {
+ // setting arguments via CLI takes precedence over
+ // values within the config file.
+ if (argv[key] === undefined || (flags.defaulted[key])) {
+ delete argv[key]
+ setArg(key, config[key])
+ }
+ })
+ } catch (ex) {
+ if (argv[configKey]) error = Error(__('Invalid JSON config file: %s', configPath))
+ }
+ }
+ })
+ }
+
+ function applyEnvVars (opts, argv, configOnly) {
+ if (typeof opts.envPrefix === 'undefined') return
+
+ var prefix = typeof opts.envPrefix === 'string' ? opts.envPrefix : ''
+ Object.keys(process.env).forEach(function (envVar) {
+ if (prefix === '' || envVar.lastIndexOf(prefix, 0) === 0) {
+ var key = camelCase(envVar.substring(prefix.length))
+ if (((configOnly && flags.configs[key]) || !configOnly) && (!(key in argv) || flags.defaulted[key])) {
+ setArg(key, process.env[envVar])
+ }
+ }
+ })
+ }
+
+ function applyDefaultsAndAliases (obj, aliases, defaults) {
+ Object.keys(defaults).forEach(function (key) {
+ if (!hasKey(obj, key.split('.'))) {
+ setKey(obj, key.split('.'), defaults[key])
+
+ ;(aliases[key] || []).forEach(function (x) {
+ if (hasKey(obj, x.split('.'))) return
+ setKey(obj, x.split('.'), defaults[key])
+ })
+ }
+ })
+ }
+
+ function hasKey (obj, keys) {
+ var o = obj
+ keys.slice(0, -1).forEach(function (key) {
+ o = (o[key] || {})
+ })
+
+ var key = keys[keys.length - 1]
+
+ if (typeof o !== 'object') return false
+ else return key in o
+ }
+
+ function setKey (obj, keys, value) {
+ var o = obj
+ keys.slice(0, -1).forEach(function (key) {
+ if (o[key] === undefined) o[key] = {}
+ o = o[key]
+ })
+
+ var key = keys[keys.length - 1]
+ if (value === increment) {
+ o[key] = increment(o[key])
+ } else if (o[key] === undefined && checkAllAliases(key, flags.arrays)) {
+ o[key] = Array.isArray(value) ? value : [value]
+ } else if (o[key] === undefined || typeof o[key] === 'boolean') {
+ o[key] = value
+ } else if (Array.isArray(o[key])) {
+ o[key].push(value)
+ } else {
+ o[key] = [ o[key], value ]
+ }
+ }
+
+ // extend the aliases list with inferred aliases.
+ function extendAliases (obj) {
+ Object.keys(obj || {}).forEach(function (key) {
+ // short-circuit if we've already added a key
+ // to the aliases array, for example it might
+ // exist in both 'opts.default' and 'opts.key'.
+ if (aliases[key]) return
+
+ aliases[key] = [].concat(opts.alias[key] || [])
+ // For "--option-name", also set argv.optionName
+ aliases[key].concat(key).forEach(function (x) {
+ if (/-/.test(x)) {
+ var c = camelCase(x)
+ aliases[key].push(c)
+ newAliases[c] = true
+ }
+ })
+ aliases[key].forEach(function (x) {
+ aliases[x] = [key].concat(aliases[key].filter(function (y) {
+ return x !== y
+ }))
+ })
+ })
+ }
+
+ // check if a flag is set for any of a key's aliases.
+ function checkAllAliases (key, flag) {
+ var isSet = false
+ var toCheck = [].concat(aliases[key] || [], key)
+
+ toCheck.forEach(function (key) {
+ if (flag[key]) isSet = flag[key]
+ })
+
+ return isSet
+ }
+
+ function setDefaulted (key) {
+ [].concat(aliases[key] || [], key).forEach(function (k) {
+ flags.defaulted[k] = true
+ })
+ }
+
+ function unsetDefaulted (key) {
+ [].concat(aliases[key] || [], key).forEach(function (k) {
+ delete flags.defaulted[k]
+ })
+ }
+
+ // return a default value, given the type of a flag.,
+ // e.g., key of type 'string' will default to '', rather than 'true'.
+ function defaultForType (type) {
+ var def = {
+ boolean: true,
+ string: '',
+ array: []
+ }
+
+ return def[type]
+ }
+
+ // given a flag, enforce a default type.
+ function guessType (key, flags) {
+ var type = 'boolean'
+
+ if (flags.strings && flags.strings[key]) type = 'string'
+ else if (flags.arrays && flags.arrays[key]) type = 'array'
+
+ return type
+ }
+
+ function isNumber (x) {
+ if (typeof x === 'number') return true
+ if (/^0x[0-9a-f]+$/i.test(x)) return true
+ return /^[-+]?(?:\d+(?:\.\d*)?|\.\d+)(e[-+]?\d+)?$/.test(x)
+ }
+
+ return {
+ argv: argv,
+ aliases: aliases,
+ error: error,
+ newAliases: newAliases
+ }
+}
git://repos.xcallymotion.com / motion2.git / blobdiff