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Diffstat (limited to 'node_modules/argparse/lib')
22 files changed, 3547 insertions, 0 deletions
diff --git a/node_modules/argparse/lib/action.js b/node_modules/argparse/lib/action.js new file mode 100644 index 0000000..1483c79 --- /dev/null +++ b/node_modules/argparse/lib/action.js @@ -0,0 +1,146 @@ +/** + * class Action + * + * Base class for all actions + * Do not call in your code, use this class only for inherits your own action + * + * Information about how to convert command line strings to Javascript objects. + * Action objects are used by an ArgumentParser to represent the information + * needed to parse a single argument from one or more strings from the command + * line. The keyword arguments to the Action constructor are also all attributes + * of Action instances. + * + * ##### Allowed keywords: + * + * - `store` + * - `storeConstant` + * - `storeTrue` + * - `storeFalse` + * - `append` + * - `appendConstant` + * - `count` + * - `help` + * - `version` + * + * Information about action options see [[Action.new]] + * + * See also [original guide](http://docs.python.org/dev/library/argparse.html#action) + * + **/ + +'use strict'; + + +// Constants +var c = require('./const'); + + +/** + * new Action(options) + * + * Base class for all actions. Used only for inherits + * + * + * ##### Options: + * + * - `optionStrings` A list of command-line option strings for the action. + * - `dest` Attribute to hold the created object(s) + * - `nargs` The number of command-line arguments that should be consumed. + * By default, one argument will be consumed and a single value will be + * produced. + * - `constant` Default value for an action with no value. + * - `defaultValue` The value to be produced if the option is not specified. + * - `type` Cast to 'string'|'int'|'float'|'complex'|function (string). If + * None, 'string'. + * - `choices` The choices available. + * - `required` True if the action must always be specified at the command + * line. + * - `help` The help describing the argument. + * - `metavar` The name to be used for the option's argument with the help + * string. If None, the 'dest' value will be used as the name. + * + * ##### nargs supported values: + * + * - `N` (an integer) consumes N arguments (and produces a list) + * - `?` consumes zero or one arguments + * - `*` consumes zero or more arguments (and produces a list) + * - `+` consumes one or more arguments (and produces a list) + * + * Note: that the difference between the default and nargs=1 is that with the + * default, a single value will be produced, while with nargs=1, a list + * containing a single value will be produced. + **/ +var Action = module.exports = function Action(options) { + options = options || {}; + this.optionStrings = options.optionStrings || []; + this.dest = options.dest; + this.nargs = typeof options.nargs !== 'undefined' ? options.nargs : null; + this.constant = typeof options.constant !== 'undefined' ? options.constant : null; + this.defaultValue = options.defaultValue; + this.type = typeof options.type !== 'undefined' ? options.type : null; + this.choices = typeof options.choices !== 'undefined' ? options.choices : null; + this.required = typeof options.required !== 'undefined' ? options.required : false; + this.help = typeof options.help !== 'undefined' ? options.help : null; + this.metavar = typeof options.metavar !== 'undefined' ? options.metavar : null; + + if (!(this.optionStrings instanceof Array)) { + throw new Error('optionStrings should be an array'); + } + if (typeof this.required !== 'undefined' && typeof this.required !== 'boolean') { + throw new Error('required should be a boolean'); + } +}; + +/** + * Action#getName -> String + * + * Tells action name + **/ +Action.prototype.getName = function () { + if (this.optionStrings.length > 0) { + return this.optionStrings.join('/'); + } else if (this.metavar !== null && this.metavar !== c.SUPPRESS) { + return this.metavar; + } else if (typeof this.dest !== 'undefined' && this.dest !== c.SUPPRESS) { + return this.dest; + } + return null; +}; + +/** + * Action#isOptional -> Boolean + * + * Return true if optional + **/ +Action.prototype.isOptional = function () { + return !this.isPositional(); +}; + +/** + * Action#isPositional -> Boolean + * + * Return true if positional + **/ +Action.prototype.isPositional = function () { + return (this.optionStrings.length === 0); +}; + +/** + * Action#call(parser, namespace, values, optionString) -> Void + * - parser (ArgumentParser): current parser + * - namespace (Namespace): namespace for output data + * - values (Array): parsed values + * - optionString (Array): input option string(not parsed) + * + * Call the action. Should be implemented in inherited classes + * + * ##### Example + * + * ActionCount.prototype.call = function (parser, namespace, values, optionString) { + * namespace.set(this.dest, (namespace[this.dest] || 0) + 1); + * }; + * + **/ +Action.prototype.call = function () { + throw new Error('.call() not defined');// Not Implemented error +}; diff --git a/node_modules/argparse/lib/action/append.js b/node_modules/argparse/lib/action/append.js new file mode 100644 index 0000000..b5da0de --- /dev/null +++ b/node_modules/argparse/lib/action/append.js @@ -0,0 +1,53 @@ +/*:nodoc:* + * class ActionAppend + * + * This action stores a list, and appends each argument value to the list. + * This is useful to allow an option to be specified multiple times. + * This class inherided from [[Action]] + * + **/ + +'use strict'; + +var util = require('util'); + +var Action = require('../action'); + +// Constants +var c = require('../const'); + +/*:nodoc:* + * new ActionAppend(options) + * - options (object): options hash see [[Action.new]] + * + * Note: options.nargs should be optional for constants + * and more then zero for other + **/ +var ActionAppend = module.exports = function ActionAppend(options) { + options = options || {}; + if (this.nargs <= 0) { + throw new Error('nargs for append actions must be > 0; if arg ' + + 'strings are not supplying the value to append, ' + + 'the append const action may be more appropriate'); + } + if (!!this.constant && this.nargs !== c.OPTIONAL) { + throw new Error('nargs must be OPTIONAL to supply const'); + } + Action.call(this, options); +}; +util.inherits(ActionAppend, Action); + +/*:nodoc:* + * ActionAppend#call(parser, namespace, values, optionString) -> Void + * - parser (ArgumentParser): current parser + * - namespace (Namespace): namespace for output data + * - values (Array): parsed values + * - optionString (Array): input option string(not parsed) + * + * Call the action. Save result in namespace object + **/ +ActionAppend.prototype.call = function (parser, namespace, values) { + var items = (namespace[this.dest] || []).slice(); + items.push(values); + namespace.set(this.dest, items); +}; diff --git a/node_modules/argparse/lib/action/append/constant.js b/node_modules/argparse/lib/action/append/constant.js new file mode 100644 index 0000000..313f5d2 --- /dev/null +++ b/node_modules/argparse/lib/action/append/constant.js @@ -0,0 +1,47 @@ +/*:nodoc:* + * class ActionAppendConstant + * + * This stores a list, and appends the value specified by + * the const keyword argument to the list. + * (Note that the const keyword argument defaults to null.) + * The 'appendConst' action is typically useful when multiple + * arguments need to store constants to the same list. + * + * This class inherited from [[Action]] + **/ + +'use strict'; + +var util = require('util'); + +var Action = require('../../action'); + +/*:nodoc:* + * new ActionAppendConstant(options) + * - options (object): options hash see [[Action.new]] + * + **/ +var ActionAppendConstant = module.exports = function ActionAppendConstant(options) { + options = options || {}; + options.nargs = 0; + if (typeof options.constant === 'undefined') { + throw new Error('constant option is required for appendAction'); + } + Action.call(this, options); +}; +util.inherits(ActionAppendConstant, Action); + +/*:nodoc:* + * ActionAppendConstant#call(parser, namespace, values, optionString) -> Void + * - parser (ArgumentParser): current parser + * - namespace (Namespace): namespace for output data + * - values (Array): parsed values + * - optionString (Array): input option string(not parsed) + * + * Call the action. Save result in namespace object + **/ +ActionAppendConstant.prototype.call = function (parser, namespace) { + var items = [].concat(namespace[this.dest] || []); + items.push(this.constant); + namespace.set(this.dest, items); +}; diff --git a/node_modules/argparse/lib/action/count.js b/node_modules/argparse/lib/action/count.js new file mode 100644 index 0000000..d6a5899 --- /dev/null +++ b/node_modules/argparse/lib/action/count.js @@ -0,0 +1,40 @@ +/*:nodoc:* + * class ActionCount + * + * This counts the number of times a keyword argument occurs. + * For example, this is useful for increasing verbosity levels + * + * This class inherided from [[Action]] + * + **/ +'use strict'; + +var util = require('util'); + +var Action = require('../action'); + +/*:nodoc:* + * new ActionCount(options) + * - options (object): options hash see [[Action.new]] + * + **/ +var ActionCount = module.exports = function ActionCount(options) { + options = options || {}; + options.nargs = 0; + + Action.call(this, options); +}; +util.inherits(ActionCount, Action); + +/*:nodoc:* + * ActionCount#call(parser, namespace, values, optionString) -> Void + * - parser (ArgumentParser): current parser + * - namespace (Namespace): namespace for output data + * - values (Array): parsed values + * - optionString (Array): input option string(not parsed) + * + * Call the action. Save result in namespace object + **/ +ActionCount.prototype.call = function (parser, namespace) { + namespace.set(this.dest, (namespace[this.dest] || 0) + 1); +}; diff --git a/node_modules/argparse/lib/action/help.js b/node_modules/argparse/lib/action/help.js new file mode 100644 index 0000000..b40e05a --- /dev/null +++ b/node_modules/argparse/lib/action/help.js @@ -0,0 +1,47 @@ +/*:nodoc:* + * class ActionHelp + * + * Support action for printing help + * This class inherided from [[Action]] + **/ +'use strict'; + +var util = require('util'); + +var Action = require('../action'); + +// Constants +var c = require('../const'); + +/*:nodoc:* + * new ActionHelp(options) + * - options (object): options hash see [[Action.new]] + * + **/ +var ActionHelp = module.exports = function ActionHelp(options) { + options = options || {}; + if (options.defaultValue !== null) { + options.defaultValue = options.defaultValue; + } else { + options.defaultValue = c.SUPPRESS; + } + options.dest = (options.dest !== null ? options.dest : c.SUPPRESS); + options.nargs = 0; + Action.call(this, options); + +}; +util.inherits(ActionHelp, Action); + +/*:nodoc:* + * ActionHelp#call(parser, namespace, values, optionString) + * - parser (ArgumentParser): current parser + * - namespace (Namespace): namespace for output data + * - values (Array): parsed values + * - optionString (Array): input option string(not parsed) + * + * Print help and exit + **/ +ActionHelp.prototype.call = function (parser) { + parser.printHelp(); + parser.exit(); +}; diff --git a/node_modules/argparse/lib/action/store.js b/node_modules/argparse/lib/action/store.js new file mode 100644 index 0000000..283b860 --- /dev/null +++ b/node_modules/argparse/lib/action/store.js @@ -0,0 +1,50 @@ +/*:nodoc:* + * class ActionStore + * + * This action just stores the argument’s value. This is the default action. + * + * This class inherited from [[Action]] + * + **/ +'use strict'; + +var util = require('util'); + +var Action = require('../action'); + +// Constants +var c = require('../const'); + + +/*:nodoc:* + * new ActionStore(options) + * - options (object): options hash see [[Action.new]] + * + **/ +var ActionStore = module.exports = function ActionStore(options) { + options = options || {}; + if (this.nargs <= 0) { + throw new Error('nargs for store actions must be > 0; if you ' + + 'have nothing to store, actions such as store ' + + 'true or store const may be more appropriate'); + + } + if (typeof this.constant !== 'undefined' && this.nargs !== c.OPTIONAL) { + throw new Error('nargs must be OPTIONAL to supply const'); + } + Action.call(this, options); +}; +util.inherits(ActionStore, Action); + +/*:nodoc:* + * ActionStore#call(parser, namespace, values, optionString) -> Void + * - parser (ArgumentParser): current parser + * - namespace (Namespace): namespace for output data + * - values (Array): parsed values + * - optionString (Array): input option string(not parsed) + * + * Call the action. Save result in namespace object + **/ +ActionStore.prototype.call = function (parser, namespace, values) { + namespace.set(this.dest, values); +}; diff --git a/node_modules/argparse/lib/action/store/constant.js b/node_modules/argparse/lib/action/store/constant.js new file mode 100644 index 0000000..23caa89 --- /dev/null +++ b/node_modules/argparse/lib/action/store/constant.js @@ -0,0 +1,43 @@ +/*:nodoc:* + * class ActionStoreConstant + * + * This action stores the value specified by the const keyword argument. + * (Note that the const keyword argument defaults to the rather unhelpful null.) + * The 'store_const' action is most commonly used with optional + * arguments that specify some sort of flag. + * + * This class inherited from [[Action]] + **/ +'use strict'; + +var util = require('util'); + +var Action = require('../../action'); + +/*:nodoc:* + * new ActionStoreConstant(options) + * - options (object): options hash see [[Action.new]] + * + **/ +var ActionStoreConstant = module.exports = function ActionStoreConstant(options) { + options = options || {}; + options.nargs = 0; + if (typeof options.constant === 'undefined') { + throw new Error('constant option is required for storeAction'); + } + Action.call(this, options); +}; +util.inherits(ActionStoreConstant, Action); + +/*:nodoc:* + * ActionStoreConstant#call(parser, namespace, values, optionString) -> Void + * - parser (ArgumentParser): current parser + * - namespace (Namespace): namespace for output data + * - values (Array): parsed values + * - optionString (Array): input option string(not parsed) + * + * Call the action. Save result in namespace object + **/ +ActionStoreConstant.prototype.call = function (parser, namespace) { + namespace.set(this.dest, this.constant); +}; diff --git a/node_modules/argparse/lib/action/store/false.js b/node_modules/argparse/lib/action/store/false.js new file mode 100644 index 0000000..9924f46 --- /dev/null +++ b/node_modules/argparse/lib/action/store/false.js @@ -0,0 +1,27 @@ +/*:nodoc:* + * class ActionStoreFalse + * + * This action store the values False respectively. + * This is special cases of 'storeConst' + * + * This class inherited from [[Action]] + **/ + +'use strict'; + +var util = require('util'); + +var ActionStoreConstant = require('./constant'); + +/*:nodoc:* + * new ActionStoreFalse(options) + * - options (object): hash of options see [[Action.new]] + * + **/ +var ActionStoreFalse = module.exports = function ActionStoreFalse(options) { + options = options || {}; + options.constant = false; + options.defaultValue = options.defaultValue !== null ? options.defaultValue : true; + ActionStoreConstant.call(this, options); +}; +util.inherits(ActionStoreFalse, ActionStoreConstant); diff --git a/node_modules/argparse/lib/action/store/true.js b/node_modules/argparse/lib/action/store/true.js new file mode 100644 index 0000000..9e22f7d --- /dev/null +++ b/node_modules/argparse/lib/action/store/true.js @@ -0,0 +1,26 @@ +/*:nodoc:* + * class ActionStoreTrue + * + * This action store the values True respectively. + * This isspecial cases of 'storeConst' + * + * This class inherited from [[Action]] + **/ +'use strict'; + +var util = require('util'); + +var ActionStoreConstant = require('./constant'); + +/*:nodoc:* + * new ActionStoreTrue(options) + * - options (object): options hash see [[Action.new]] + * + **/ +var ActionStoreTrue = module.exports = function ActionStoreTrue(options) { + options = options || {}; + options.constant = true; + options.defaultValue = options.defaultValue !== null ? options.defaultValue : false; + ActionStoreConstant.call(this, options); +}; +util.inherits(ActionStoreTrue, ActionStoreConstant); diff --git a/node_modules/argparse/lib/action/subparsers.js b/node_modules/argparse/lib/action/subparsers.js new file mode 100644 index 0000000..99dfedd --- /dev/null +++ b/node_modules/argparse/lib/action/subparsers.js @@ -0,0 +1,149 @@ +/** internal + * class ActionSubparsers + * + * Support the creation of such sub-commands with the addSubparsers() + * + * This class inherited from [[Action]] + **/ +'use strict'; + +var util = require('util'); +var format = require('util').format; + + +var Action = require('../action'); + +// Constants +var c = require('../const'); + +// Errors +var argumentErrorHelper = require('../argument/error'); + + +/*:nodoc:* + * new ChoicesPseudoAction(name, help) + * + * Create pseudo action for correct help text + * + **/ +function ChoicesPseudoAction(name, help) { + var options = { + optionStrings: [], + dest: name, + help: help + }; + + Action.call(this, options); +} + +util.inherits(ChoicesPseudoAction, Action); + +/** + * new ActionSubparsers(options) + * - options (object): options hash see [[Action.new]] + * + **/ +function ActionSubparsers(options) { + options = options || {}; + options.dest = options.dest || c.SUPPRESS; + options.nargs = c.PARSER; + + this.debug = (options.debug === true); + + this._progPrefix = options.prog; + this._parserClass = options.parserClass; + this._nameParserMap = {}; + this._choicesActions = []; + + options.choices = this._nameParserMap; + Action.call(this, options); +} + +util.inherits(ActionSubparsers, Action); + +/*:nodoc:* + * ActionSubparsers#addParser(name, options) -> ArgumentParser + * - name (string): sub-command name + * - options (object): see [[ArgumentParser.new]] + * + * Note: + * addParser supports an additional aliases option, + * which allows multiple strings to refer to the same subparser. + * This example, like svn, aliases co as a shorthand for checkout + * + **/ +ActionSubparsers.prototype.addParser = function (name, options) { + var parser; + + var self = this; + + options = options || {}; + + options.debug = (this.debug === true); + + // set program from the existing prefix + if (!options.prog) { + options.prog = this._progPrefix + ' ' + name; + } + + var aliases = options.aliases || []; + + // create a pseudo-action to hold the choice help + if (!!options.help || typeof options.help === 'string') { + var help = options.help; + delete options.help; + + var choiceAction = new ChoicesPseudoAction(name, help); + this._choicesActions.push(choiceAction); + } + + // create the parser and add it to the map + parser = new this._parserClass(options); + this._nameParserMap[name] = parser; + + // make parser available under aliases also + aliases.forEach(function (alias) { + self._nameParserMap[alias] = parser; + }); + + return parser; +}; + +ActionSubparsers.prototype._getSubactions = function () { + return this._choicesActions; +}; + +/*:nodoc:* + * ActionSubparsers#call(parser, namespace, values, optionString) -> Void + * - parser (ArgumentParser): current parser + * - namespace (Namespace): namespace for output data + * - values (Array): parsed values + * - optionString (Array): input option string(not parsed) + * + * Call the action. Parse input aguments + **/ +ActionSubparsers.prototype.call = function (parser, namespace, values) { + var parserName = values[0]; + var argStrings = values.slice(1); + + // set the parser name if requested + if (this.dest !== c.SUPPRESS) { + namespace[this.dest] = parserName; + } + + // select the parser + if (this._nameParserMap[parserName]) { + parser = this._nameParserMap[parserName]; + } else { + throw argumentErrorHelper(format( + 'Unknown parser "%s" (choices: [%s]).', + parserName, + Object.keys(this._nameParserMap).join(', ') + )); + } + + // parse all the remaining options into the namespace + parser.parseArgs(argStrings, namespace); +}; + +module.exports = ActionSubparsers; diff --git a/node_modules/argparse/lib/action/version.js b/node_modules/argparse/lib/action/version.js new file mode 100644 index 0000000..8053328 --- /dev/null +++ b/node_modules/argparse/lib/action/version.js @@ -0,0 +1,47 @@ +/*:nodoc:* + * class ActionVersion + * + * Support action for printing program version + * This class inherited from [[Action]] + **/ +'use strict'; + +var util = require('util'); + +var Action = require('../action'); + +// +// Constants +// +var c = require('../const'); + +/*:nodoc:* + * new ActionVersion(options) + * - options (object): options hash see [[Action.new]] + * + **/ +var ActionVersion = module.exports = function ActionVersion(options) { + options = options || {}; + options.defaultValue = (options.defaultValue ? options.defaultValue : c.SUPPRESS); + options.dest = (options.dest || c.SUPPRESS); + options.nargs = 0; + this.version = options.version; + Action.call(this, options); +}; +util.inherits(ActionVersion, Action); + +/*:nodoc:* + * ActionVersion#call(parser, namespace, values, optionString) -> Void + * - parser (ArgumentParser): current parser + * - namespace (Namespace): namespace for output data + * - values (Array): parsed values + * - optionString (Array): input option string(not parsed) + * + * Print version and exit + **/ +ActionVersion.prototype.call = function (parser) { + var version = this.version || parser.version; + var formatter = parser._getFormatter(); + formatter.addText(version); + parser.exit(0, formatter.formatHelp()); +}; diff --git a/node_modules/argparse/lib/action_container.js b/node_modules/argparse/lib/action_container.js new file mode 100644 index 0000000..6f1237b --- /dev/null +++ b/node_modules/argparse/lib/action_container.js @@ -0,0 +1,482 @@ +/** internal + * class ActionContainer + * + * Action container. Parent for [[ArgumentParser]] and [[ArgumentGroup]] + **/ + +'use strict'; + +var format = require('util').format; + +// Constants +var c = require('./const'); + +var $$ = require('./utils'); + +//Actions +var ActionHelp = require('./action/help'); +var ActionAppend = require('./action/append'); +var ActionAppendConstant = require('./action/append/constant'); +var ActionCount = require('./action/count'); +var ActionStore = require('./action/store'); +var ActionStoreConstant = require('./action/store/constant'); +var ActionStoreTrue = require('./action/store/true'); +var ActionStoreFalse = require('./action/store/false'); +var ActionVersion = require('./action/version'); +var ActionSubparsers = require('./action/subparsers'); + +// Errors +var argumentErrorHelper = require('./argument/error'); + +/** + * new ActionContainer(options) + * + * Action container. Parent for [[ArgumentParser]] and [[ArgumentGroup]] + * + * ##### Options: + * + * - `description` -- A description of what the program does + * - `prefixChars` -- Characters that prefix optional arguments + * - `argumentDefault` -- The default value for all arguments + * - `conflictHandler` -- The conflict handler to use for duplicate arguments + **/ +var ActionContainer = module.exports = function ActionContainer(options) { + options = options || {}; + + this.description = options.description; + this.argumentDefault = options.argumentDefault; + this.prefixChars = options.prefixChars || ''; + this.conflictHandler = options.conflictHandler; + + // set up registries + this._registries = {}; + + // register actions + this.register('action', null, ActionStore); + this.register('action', 'store', ActionStore); + this.register('action', 'storeConst', ActionStoreConstant); + this.register('action', 'storeTrue', ActionStoreTrue); + this.register('action', 'storeFalse', ActionStoreFalse); + this.register('action', 'append', ActionAppend); + this.register('action', 'appendConst', ActionAppendConstant); + this.register('action', 'count', ActionCount); + this.register('action', 'help', ActionHelp); + this.register('action', 'version', ActionVersion); + this.register('action', 'parsers', ActionSubparsers); + + // raise an exception if the conflict handler is invalid + this._getHandler(); + + // action storage + this._actions = []; + this._optionStringActions = {}; + + // groups + this._actionGroups = []; + this._mutuallyExclusiveGroups = []; + + // defaults storage + this._defaults = {}; + + // determines whether an "option" looks like a negative number + // -1, -1.5 -5e+4 + this._regexpNegativeNumber = new RegExp('^[-]?[0-9]*\\.?[0-9]+([eE][-+]?[0-9]+)?$'); + + // whether or not there are any optionals that look like negative + // numbers -- uses a list so it can be shared and edited + this._hasNegativeNumberOptionals = []; +}; + +// Groups must be required, then ActionContainer already defined +var ArgumentGroup = require('./argument/group'); +var MutuallyExclusiveGroup = require('./argument/exclusive'); + +// +// Registration methods +// + +/** + * ActionContainer#register(registryName, value, object) -> Void + * - registryName (String) : object type action|type + * - value (string) : keyword + * - object (Object|Function) : handler + * + * Register handlers + **/ +ActionContainer.prototype.register = function (registryName, value, object) { + this._registries[registryName] = this._registries[registryName] || {}; + this._registries[registryName][value] = object; +}; + +ActionContainer.prototype._registryGet = function (registryName, value, defaultValue) { + if (arguments.length < 3) { + defaultValue = null; + } + return this._registries[registryName][value] || defaultValue; +}; + +// +// Namespace default accessor methods +// + +/** + * ActionContainer#setDefaults(options) -> Void + * - options (object):hash of options see [[Action.new]] + * + * Set defaults + **/ +ActionContainer.prototype.setDefaults = function (options) { + options = options || {}; + for (var property in options) { + if ($$.has(options, property)) { + this._defaults[property] = options[property]; + } + } + + // if these defaults match any existing arguments, replace the previous + // default on the object with the new one + this._actions.forEach(function (action) { + if ($$.has(options, action.dest)) { + action.defaultValue = options[action.dest]; + } + }); +}; + +/** + * ActionContainer#getDefault(dest) -> Mixed + * - dest (string): action destination + * + * Return action default value + **/ +ActionContainer.prototype.getDefault = function (dest) { + var result = $$.has(this._defaults, dest) ? this._defaults[dest] : null; + + this._actions.forEach(function (action) { + if (action.dest === dest && $$.has(action, 'defaultValue')) { + result = action.defaultValue; + } + }); + + return result; +}; +// +// Adding argument actions +// + +/** + * ActionContainer#addArgument(args, options) -> Object + * - args (String|Array): argument key, or array of argument keys + * - options (Object): action objects see [[Action.new]] + * + * #### Examples + * - addArgument([ '-f', '--foo' ], { action: 'store', defaultValue: 1, ... }) + * - addArgument([ 'bar' ], { action: 'store', nargs: 1, ... }) + * - addArgument('--baz', { action: 'store', nargs: 1, ... }) + **/ +ActionContainer.prototype.addArgument = function (args, options) { + args = args; + options = options || {}; + + if (typeof args === 'string') { + args = [ args ]; + } + if (!Array.isArray(args)) { + throw new TypeError('addArgument first argument should be a string or an array'); + } + if (typeof options !== 'object' || Array.isArray(options)) { + throw new TypeError('addArgument second argument should be a hash'); + } + + // if no positional args are supplied or only one is supplied and + // it doesn't look like an option string, parse a positional argument + if (!args || args.length === 1 && this.prefixChars.indexOf(args[0][0]) < 0) { + if (args && !!options.dest) { + throw new Error('dest supplied twice for positional argument'); + } + options = this._getPositional(args, options); + + // otherwise, we're adding an optional argument + } else { + options = this._getOptional(args, options); + } + + // if no default was supplied, use the parser-level default + if (typeof options.defaultValue === 'undefined') { + var dest = options.dest; + if ($$.has(this._defaults, dest)) { + options.defaultValue = this._defaults[dest]; + } else if (typeof this.argumentDefault !== 'undefined') { + options.defaultValue = this.argumentDefault; + } + } + + // create the action object, and add it to the parser + var ActionClass = this._popActionClass(options); + if (typeof ActionClass !== 'function') { + throw new Error(format('Unknown action "%s".', ActionClass)); + } + var action = new ActionClass(options); + + // throw an error if the action type is not callable + var typeFunction = this._registryGet('type', action.type, action.type); + if (typeof typeFunction !== 'function') { + throw new Error(format('"%s" is not callable', typeFunction)); + } + + return this._addAction(action); +}; + +/** + * ActionContainer#addArgumentGroup(options) -> ArgumentGroup + * - options (Object): hash of options see [[ArgumentGroup.new]] + * + * Create new arguments groups + **/ +ActionContainer.prototype.addArgumentGroup = function (options) { + var group = new ArgumentGroup(this, options); + this._actionGroups.push(group); + return group; +}; + +/** + * ActionContainer#addMutuallyExclusiveGroup(options) -> ArgumentGroup + * - options (Object): {required: false} + * + * Create new mutual exclusive groups + **/ +ActionContainer.prototype.addMutuallyExclusiveGroup = function (options) { + var group = new MutuallyExclusiveGroup(this, options); + this._mutuallyExclusiveGroups.push(group); + return group; +}; + +ActionContainer.prototype._addAction = function (action) { + var self = this; + + // resolve any conflicts + this._checkConflict(action); + + // add to actions list + this._actions.push(action); + action.container = this; + + // index the action by any option strings it has + action.optionStrings.forEach(function (optionString) { + self._optionStringActions[optionString] = action; + }); + + // set the flag if any option strings look like negative numbers + action.optionStrings.forEach(function (optionString) { + if (optionString.match(self._regexpNegativeNumber)) { + if (!self._hasNegativeNumberOptionals.some(Boolean)) { + self._hasNegativeNumberOptionals.push(true); + } + } + }); + + // return the created action + return action; +}; + +ActionContainer.prototype._removeAction = function (action) { + var actionIndex = this._actions.indexOf(action); + if (actionIndex >= 0) { + this._actions.splice(actionIndex, 1); + } +}; + +ActionContainer.prototype._addContainerActions = function (container) { + // collect groups by titles + var titleGroupMap = {}; + this._actionGroups.forEach(function (group) { + if (titleGroupMap[group.title]) { + throw new Error(format('Cannot merge actions - two groups are named "%s".', group.title)); + } + titleGroupMap[group.title] = group; + }); + + // map each action to its group + var groupMap = {}; + function actionHash(action) { + // unique (hopefully?) string suitable as dictionary key + return action.getName(); + } + container._actionGroups.forEach(function (group) { + // if a group with the title exists, use that, otherwise + // create a new group matching the container's group + if (!titleGroupMap[group.title]) { + titleGroupMap[group.title] = this.addArgumentGroup({ + title: group.title, + description: group.description + }); + } + + // map the actions to their new group + group._groupActions.forEach(function (action) { + groupMap[actionHash(action)] = titleGroupMap[group.title]; + }); + }, this); + + // add container's mutually exclusive groups + // NOTE: if add_mutually_exclusive_group ever gains title= and + // description= then this code will need to be expanded as above + var mutexGroup; + container._mutuallyExclusiveGroups.forEach(function (group) { + mutexGroup = this.addMutuallyExclusiveGroup({ + required: group.required + }); + // map the actions to their new mutex group + group._groupActions.forEach(function (action) { + groupMap[actionHash(action)] = mutexGroup; + }); + }, this); // forEach takes a 'this' argument + + // add all actions to this container or their group + container._actions.forEach(function (action) { + var key = actionHash(action); + if (groupMap[key]) { + groupMap[key]._addAction(action); + } else { + this._addAction(action); + } + }); +}; + +ActionContainer.prototype._getPositional = function (dest, options) { + if (Array.isArray(dest)) { + dest = dest[0]; + } + // make sure required is not specified + if (options.required) { + throw new Error('"required" is an invalid argument for positionals.'); + } + + // mark positional arguments as required if at least one is + // always required + if (options.nargs !== c.OPTIONAL && options.nargs !== c.ZERO_OR_MORE) { + options.required = true; + } + if (options.nargs === c.ZERO_OR_MORE && typeof options.defaultValue === 'undefined') { + options.required = true; + } + + // return the keyword arguments with no option strings + options.dest = dest; + options.optionStrings = []; + return options; +}; + +ActionContainer.prototype._getOptional = function (args, options) { + var prefixChars = this.prefixChars; + var optionStrings = []; + var optionStringsLong = []; + + // determine short and long option strings + args.forEach(function (optionString) { + // error on strings that don't start with an appropriate prefix + if (prefixChars.indexOf(optionString[0]) < 0) { + throw new Error(format('Invalid option string "%s": must start with a "%s".', + optionString, + prefixChars + )); + } + + // strings starting with two prefix characters are long options + optionStrings.push(optionString); + if (optionString.length > 1 && prefixChars.indexOf(optionString[1]) >= 0) { + optionStringsLong.push(optionString); + } + }); + + // infer dest, '--foo-bar' -> 'foo_bar' and '-x' -> 'x' + var dest = options.dest || null; + delete options.dest; + + if (!dest) { + var optionStringDest = optionStringsLong.length ? optionStringsLong[0] : optionStrings[0]; + dest = $$.trimChars(optionStringDest, this.prefixChars); + + if (dest.length === 0) { + throw new Error( + format('dest= is required for options like "%s"', optionStrings.join(', ')) + ); + } + dest = dest.replace(/-/g, '_'); + } + + // return the updated keyword arguments + options.dest = dest; + options.optionStrings = optionStrings; + + return options; +}; + +ActionContainer.prototype._popActionClass = function (options, defaultValue) { + defaultValue = defaultValue || null; + + var action = (options.action || defaultValue); + delete options.action; + + var actionClass = this._registryGet('action', action, action); + return actionClass; +}; + +ActionContainer.prototype._getHandler = function () { + var handlerString = this.conflictHandler; + var handlerFuncName = '_handleConflict' + $$.capitalize(handlerString); + var func = this[handlerFuncName]; + if (typeof func === 'undefined') { + var msg = 'invalid conflict resolution value: ' + handlerString; + throw new Error(msg); + } else { + return func; + } +}; + +ActionContainer.prototype._checkConflict = function (action) { + var optionStringActions = this._optionStringActions; + var conflictOptionals = []; + + // find all options that conflict with this option + // collect pairs, the string, and an existing action that it conflicts with + action.optionStrings.forEach(function (optionString) { + var conflOptional = optionStringActions[optionString]; + if (typeof conflOptional !== 'undefined') { + conflictOptionals.push([ optionString, conflOptional ]); + } + }); + + if (conflictOptionals.length > 0) { + var conflictHandler = this._getHandler(); + conflictHandler.call(this, action, conflictOptionals); + } +}; + +ActionContainer.prototype._handleConflictError = function (action, conflOptionals) { + var conflicts = conflOptionals.map(function (pair) { return pair[0]; }); + conflicts = conflicts.join(', '); + throw argumentErrorHelper( + action, + format('Conflicting option string(s): %s', conflicts) + ); +}; + +ActionContainer.prototype._handleConflictResolve = function (action, conflOptionals) { + // remove all conflicting options + var self = this; + conflOptionals.forEach(function (pair) { + var optionString = pair[0]; + var conflictingAction = pair[1]; + // remove the conflicting option string + var i = conflictingAction.optionStrings.indexOf(optionString); + if (i >= 0) { + conflictingAction.optionStrings.splice(i, 1); + } + delete self._optionStringActions[optionString]; + // if the option now has no option string, remove it from the + // container holding it + if (conflictingAction.optionStrings.length === 0) { + conflictingAction.container._removeAction(conflictingAction); + } + }); +}; diff --git a/node_modules/argparse/lib/argparse.js b/node_modules/argparse/lib/argparse.js new file mode 100644 index 0000000..f2a2c51 --- /dev/null +++ b/node_modules/argparse/lib/argparse.js @@ -0,0 +1,14 @@ +'use strict'; + +module.exports.ArgumentParser = require('./argument_parser.js'); +module.exports.Namespace = require('./namespace'); +module.exports.Action = require('./action'); +module.exports.HelpFormatter = require('./help/formatter.js'); +module.exports.Const = require('./const.js'); + +module.exports.ArgumentDefaultsHelpFormatter = + require('./help/added_formatters.js').ArgumentDefaultsHelpFormatter; +module.exports.RawDescriptionHelpFormatter = + require('./help/added_formatters.js').RawDescriptionHelpFormatter; +module.exports.RawTextHelpFormatter = + require('./help/added_formatters.js').RawTextHelpFormatter; diff --git a/node_modules/argparse/lib/argument/error.js b/node_modules/argparse/lib/argument/error.js new file mode 100644 index 0000000..c8a02a0 --- /dev/null +++ b/node_modules/argparse/lib/argument/error.js @@ -0,0 +1,50 @@ +'use strict'; + + +var format = require('util').format; + + +var ERR_CODE = 'ARGError'; + +/*:nodoc:* + * argumentError(argument, message) -> TypeError + * - argument (Object): action with broken argument + * - message (String): error message + * + * Error format helper. An error from creating or using an argument + * (optional or positional). The string value of this exception + * is the message, augmented with information + * about the argument that caused it. + * + * #####Example + * + * var argumentErrorHelper = require('./argument/error'); + * if (conflictOptionals.length > 0) { + * throw argumentErrorHelper( + * action, + * format('Conflicting option string(s): %s', conflictOptionals.join(', ')) + * ); + * } + * + **/ +module.exports = function (argument, message) { + var argumentName = null; + var errMessage; + var err; + + if (argument.getName) { + argumentName = argument.getName(); + } else { + argumentName = '' + argument; + } + + if (!argumentName) { + errMessage = message; + } else { + errMessage = format('argument "%s": %s', argumentName, message); + } + + err = new TypeError(errMessage); + err.code = ERR_CODE; + return err; +}; diff --git a/node_modules/argparse/lib/argument/exclusive.js b/node_modules/argparse/lib/argument/exclusive.js new file mode 100644 index 0000000..8287e00 --- /dev/null +++ b/node_modules/argparse/lib/argument/exclusive.js @@ -0,0 +1,54 @@ +/** internal + * class MutuallyExclusiveGroup + * + * Group arguments. + * By default, ArgumentParser groups command-line arguments + * into “positional arguments” and “optional arguments” + * when displaying help messages. When there is a better + * conceptual grouping of arguments than this default one, + * appropriate groups can be created using the addArgumentGroup() method + * + * This class inherited from [[ArgumentContainer]] + **/ +'use strict'; + +var util = require('util'); + +var ArgumentGroup = require('./group'); + +/** + * new MutuallyExclusiveGroup(container, options) + * - container (object): main container + * - options (object): options.required -> true/false + * + * `required` could be an argument itself, but making it a property of + * the options argument is more consistent with the JS adaptation of the Python) + **/ +var MutuallyExclusiveGroup = module.exports = function MutuallyExclusiveGroup(container, options) { + var required; + options = options || {}; + required = options.required || false; + ArgumentGroup.call(this, container); + this.required = required; + +}; +util.inherits(MutuallyExclusiveGroup, ArgumentGroup); + + +MutuallyExclusiveGroup.prototype._addAction = function (action) { + var msg; + if (action.required) { + msg = 'mutually exclusive arguments must be optional'; + throw new Error(msg); + } + action = this._container._addAction(action); + this._groupActions.push(action); + return action; +}; + + +MutuallyExclusiveGroup.prototype._removeAction = function (action) { + this._container._removeAction(action); + this._groupActions.remove(action); +}; + diff --git a/node_modules/argparse/lib/argument/group.js b/node_modules/argparse/lib/argument/group.js new file mode 100644 index 0000000..58b271f --- /dev/null +++ b/node_modules/argparse/lib/argument/group.js @@ -0,0 +1,75 @@ +/** internal + * class ArgumentGroup + * + * Group arguments. + * By default, ArgumentParser groups command-line arguments + * into “positional arguments” and “optional arguments” + * when displaying help messages. When there is a better + * conceptual grouping of arguments than this default one, + * appropriate groups can be created using the addArgumentGroup() method + * + * This class inherited from [[ArgumentContainer]] + **/ +'use strict'; + +var util = require('util'); + +var ActionContainer = require('../action_container'); + + +/** + * new ArgumentGroup(container, options) + * - container (object): main container + * - options (object): hash of group options + * + * #### options + * - **prefixChars** group name prefix + * - **argumentDefault** default argument value + * - **title** group title + * - **description** group description + * + **/ +var ArgumentGroup = module.exports = function ArgumentGroup(container, options) { + + options = options || {}; + + // add any missing keyword arguments by checking the container + options.conflictHandler = (options.conflictHandler || container.conflictHandler); + options.prefixChars = (options.prefixChars || container.prefixChars); + options.argumentDefault = (options.argumentDefault || container.argumentDefault); + + ActionContainer.call(this, options); + + // group attributes + this.title = options.title; + this._groupActions = []; + + // share most attributes with the container + this._container = container; + this._registries = container._registries; + this._actions = container._actions; + this._optionStringActions = container._optionStringActions; + this._defaults = container._defaults; + this._hasNegativeNumberOptionals = container._hasNegativeNumberOptionals; + this._mutuallyExclusiveGroups = container._mutuallyExclusiveGroups; +}; +util.inherits(ArgumentGroup, ActionContainer); + + +ArgumentGroup.prototype._addAction = function (action) { + // Parent add action + action = ActionContainer.prototype._addAction.call(this, action); + this._groupActions.push(action); + return action; +}; + + +ArgumentGroup.prototype._removeAction = function (action) { + // Parent remove action + ActionContainer.prototype._removeAction.call(this, action); + var actionIndex = this._groupActions.indexOf(action); + if (actionIndex >= 0) { + this._groupActions.splice(actionIndex, 1); + } +}; + diff --git a/node_modules/argparse/lib/argument_parser.js b/node_modules/argparse/lib/argument_parser.js new file mode 100644 index 0000000..bd9a59a --- /dev/null +++ b/node_modules/argparse/lib/argument_parser.js @@ -0,0 +1,1161 @@ +/** + * class ArgumentParser + * + * Object for parsing command line strings into js objects. + * + * Inherited from [[ActionContainer]] + **/ +'use strict'; + +var util = require('util'); +var format = require('util').format; +var Path = require('path'); +var sprintf = require('sprintf-js').sprintf; + +// Constants +var c = require('./const'); + +var $$ = require('./utils'); + +var ActionContainer = require('./action_container'); + +// Errors +var argumentErrorHelper = require('./argument/error'); + +var HelpFormatter = require('./help/formatter'); + +var Namespace = require('./namespace'); + + +/** + * new ArgumentParser(options) + * + * Create a new ArgumentParser object. + * + * ##### Options: + * - `prog` The name of the program (default: Path.basename(process.argv[1])) + * - `usage` A usage message (default: auto-generated from arguments) + * - `description` A description of what the program does + * - `epilog` Text following the argument descriptions + * - `parents` Parsers whose arguments should be copied into this one + * - `formatterClass` HelpFormatter class for printing help messages + * - `prefixChars` Characters that prefix optional arguments + * - `fromfilePrefixChars` Characters that prefix files containing additional arguments + * - `argumentDefault` The default value for all arguments + * - `addHelp` Add a -h/-help option + * - `conflictHandler` Specifies how to handle conflicting argument names + * - `debug` Enable debug mode. Argument errors throw exception in + * debug mode and process.exit in normal. Used for development and + * testing (default: false) + * + * See also [original guide][1] + * + * [1]:http://docs.python.org/dev/library/argparse.html#argumentparser-objects + **/ +function ArgumentParser(options) { + if (!(this instanceof ArgumentParser)) { + return new ArgumentParser(options); + } + var self = this; + options = options || {}; + + options.description = (options.description || null); + options.argumentDefault = (options.argumentDefault || null); + options.prefixChars = (options.prefixChars || '-'); + options.conflictHandler = (options.conflictHandler || 'error'); + ActionContainer.call(this, options); + + options.addHelp = typeof options.addHelp === 'undefined' || !!options.addHelp; + options.parents = options.parents || []; + // default program name + options.prog = (options.prog || Path.basename(process.argv[1])); + this.prog = options.prog; + this.usage = options.usage; + this.epilog = options.epilog; + this.version = options.version; + + this.debug = (options.debug === true); + + this.formatterClass = (options.formatterClass || HelpFormatter); + this.fromfilePrefixChars = options.fromfilePrefixChars || null; + this._positionals = this.addArgumentGroup({ title: 'Positional arguments' }); + this._optionals = this.addArgumentGroup({ title: 'Optional arguments' }); + this._subparsers = null; + + // register types + function FUNCTION_IDENTITY(o) { + return o; + } + this.register('type', 'auto', FUNCTION_IDENTITY); + this.register('type', null, FUNCTION_IDENTITY); + this.register('type', 'int', function (x) { + var result = parseInt(x, 10); + if (isNaN(result)) { + throw new Error(x + ' is not a valid integer.'); + } + return result; + }); + this.register('type', 'float', function (x) { + var result = parseFloat(x); + if (isNaN(result)) { + throw new Error(x + ' is not a valid float.'); + } + return result; + }); + this.register('type', 'string', function (x) { + return '' + x; + }); + + // add help and version arguments if necessary + var defaultPrefix = (this.prefixChars.indexOf('-') > -1) ? '-' : this.prefixChars[0]; + if (options.addHelp) { + this.addArgument( + [ defaultPrefix + 'h', defaultPrefix + defaultPrefix + 'help' ], + { + action: 'help', + defaultValue: c.SUPPRESS, + help: 'Show this help message and exit.' + } + ); + } + if (typeof this.version !== 'undefined') { + this.addArgument( + [ defaultPrefix + 'v', defaultPrefix + defaultPrefix + 'version' ], + { + action: 'version', + version: this.version, + defaultValue: c.SUPPRESS, + help: "Show program's version number and exit." + } + ); + } + + // add parent arguments and defaults + options.parents.forEach(function (parent) { + self._addContainerActions(parent); + if (typeof parent._defaults !== 'undefined') { + for (var defaultKey in parent._defaults) { + if (parent._defaults.hasOwnProperty(defaultKey)) { + self._defaults[defaultKey] = parent._defaults[defaultKey]; + } + } + } + }); +} + +util.inherits(ArgumentParser, ActionContainer); + +/** + * ArgumentParser#addSubparsers(options) -> [[ActionSubparsers]] + * - options (object): hash of options see [[ActionSubparsers.new]] + * + * See also [subcommands][1] + * + * [1]:http://docs.python.org/dev/library/argparse.html#sub-commands + **/ +ArgumentParser.prototype.addSubparsers = function (options) { + if (this._subparsers) { + this.error('Cannot have multiple subparser arguments.'); + } + + options = options || {}; + options.debug = (this.debug === true); + options.optionStrings = []; + options.parserClass = (options.parserClass || ArgumentParser); + + + if (!!options.title || !!options.description) { + + this._subparsers = this.addArgumentGroup({ + title: (options.title || 'subcommands'), + description: options.description + }); + delete options.title; + delete options.description; + + } else { + this._subparsers = this._positionals; + } + + // prog defaults to the usage message of this parser, skipping + // optional arguments and with no "usage:" prefix + if (!options.prog) { + var formatter = this._getFormatter(); + var positionals = this._getPositionalActions(); + var groups = this._mutuallyExclusiveGroups; + formatter.addUsage(this.usage, positionals, groups, ''); + options.prog = formatter.formatHelp().trim(); + } + + // create the parsers action and add it to the positionals list + var ParsersClass = this._popActionClass(options, 'parsers'); + var action = new ParsersClass(options); + this._subparsers._addAction(action); + + // return the created parsers action + return action; +}; + +ArgumentParser.prototype._addAction = function (action) { + if (action.isOptional()) { + this._optionals._addAction(action); + } else { + this._positionals._addAction(action); + } + return action; +}; + +ArgumentParser.prototype._getOptionalActions = function () { + return this._actions.filter(function (action) { + return action.isOptional(); + }); +}; + +ArgumentParser.prototype._getPositionalActions = function () { + return this._actions.filter(function (action) { + return action.isPositional(); + }); +}; + + +/** + * ArgumentParser#parseArgs(args, namespace) -> Namespace|Object + * - args (array): input elements + * - namespace (Namespace|Object): result object + * + * Parsed args and throws error if some arguments are not recognized + * + * See also [original guide][1] + * + * [1]:http://docs.python.org/dev/library/argparse.html#the-parse-args-method + **/ +ArgumentParser.prototype.parseArgs = function (args, namespace) { + var argv; + var result = this.parseKnownArgs(args, namespace); + + args = result[0]; + argv = result[1]; + if (argv && argv.length > 0) { + this.error( + format('Unrecognized arguments: %s.', argv.join(' ')) + ); + } + return args; +}; + +/** + * ArgumentParser#parseKnownArgs(args, namespace) -> array + * - args (array): input options + * - namespace (Namespace|Object): result object + * + * Parse known arguments and return tuple of result object + * and unknown args + * + * See also [original guide][1] + * + * [1]:http://docs.python.org/dev/library/argparse.html#partial-parsing + **/ +ArgumentParser.prototype.parseKnownArgs = function (args, namespace) { + var self = this; + + // args default to the system args + args = args || process.argv.slice(2); + + // default Namespace built from parser defaults + namespace = namespace || new Namespace(); + + self._actions.forEach(function (action) { + if (action.dest !== c.SUPPRESS) { + if (!$$.has(namespace, action.dest)) { + if (action.defaultValue !== c.SUPPRESS) { + var defaultValue = action.defaultValue; + if (typeof action.defaultValue === 'string') { + defaultValue = self._getValue(action, defaultValue); + } + namespace[action.dest] = defaultValue; + } + } + } + }); + + Object.keys(self._defaults).forEach(function (dest) { + namespace[dest] = self._defaults[dest]; + }); + + // parse the arguments and exit if there are any errors + try { + var res = this._parseKnownArgs(args, namespace); + + namespace = res[0]; + args = res[1]; + if ($$.has(namespace, c._UNRECOGNIZED_ARGS_ATTR)) { + args = $$.arrayUnion(args, namespace[c._UNRECOGNIZED_ARGS_ATTR]); + delete namespace[c._UNRECOGNIZED_ARGS_ATTR]; + } + return [ namespace, args ]; + } catch (e) { + this.error(e); + } +}; + +ArgumentParser.prototype._parseKnownArgs = function (argStrings, namespace) { + var self = this; + + var extras = []; + + // replace arg strings that are file references + if (this.fromfilePrefixChars !== null) { + argStrings = this._readArgsFromFiles(argStrings); + } + // map all mutually exclusive arguments to the other arguments + // they can't occur with + // Python has 'conflicts = action_conflicts.setdefault(mutex_action, [])' + // though I can't conceive of a way in which an action could be a member + // of two different mutually exclusive groups. + + function actionHash(action) { + // some sort of hashable key for this action + // action itself cannot be a key in actionConflicts + // I think getName() (join of optionStrings) is unique enough + return action.getName(); + } + + var conflicts, key; + var actionConflicts = {}; + + this._mutuallyExclusiveGroups.forEach(function (mutexGroup) { + mutexGroup._groupActions.forEach(function (mutexAction, i, groupActions) { + key = actionHash(mutexAction); + if (!$$.has(actionConflicts, key)) { + actionConflicts[key] = []; + } + conflicts = actionConflicts[key]; + conflicts.push.apply(conflicts, groupActions.slice(0, i)); + conflicts.push.apply(conflicts, groupActions.slice(i + 1)); + }); + }); + + // find all option indices, and determine the arg_string_pattern + // which has an 'O' if there is an option at an index, + // an 'A' if there is an argument, or a '-' if there is a '--' + var optionStringIndices = {}; + + var argStringPatternParts = []; + + argStrings.forEach(function (argString, argStringIndex) { + if (argString === '--') { + argStringPatternParts.push('-'); + while (argStringIndex < argStrings.length) { + argStringPatternParts.push('A'); + argStringIndex++; + } + } else { + // otherwise, add the arg to the arg strings + // and note the index if it was an option + var pattern; + var optionTuple = self._parseOptional(argString); + if (!optionTuple) { + pattern = 'A'; + } else { + optionStringIndices[argStringIndex] = optionTuple; + pattern = 'O'; + } + argStringPatternParts.push(pattern); + } + }); + var argStringsPattern = argStringPatternParts.join(''); + + var seenActions = []; + var seenNonDefaultActions = []; + + + function takeAction(action, argumentStrings, optionString) { + seenActions.push(action); + var argumentValues = self._getValues(action, argumentStrings); + + // error if this argument is not allowed with other previously + // seen arguments, assuming that actions that use the default + // value don't really count as "present" + if (argumentValues !== action.defaultValue) { + seenNonDefaultActions.push(action); + if (actionConflicts[actionHash(action)]) { + actionConflicts[actionHash(action)].forEach(function (actionConflict) { + if (seenNonDefaultActions.indexOf(actionConflict) >= 0) { + throw argumentErrorHelper( + action, + format('Not allowed with argument "%s".', actionConflict.getName()) + ); + } + }); + } + } + + if (argumentValues !== c.SUPPRESS) { + action.call(self, namespace, argumentValues, optionString); + } + } + + function consumeOptional(startIndex) { + // get the optional identified at this index + var optionTuple = optionStringIndices[startIndex]; + var action = optionTuple[0]; + var optionString = optionTuple[1]; + var explicitArg = optionTuple[2]; + + // identify additional optionals in the same arg string + // (e.g. -xyz is the same as -x -y -z if no args are required) + var actionTuples = []; + + var args, argCount, start, stop; + + for (;;) { + if (!action) { + extras.push(argStrings[startIndex]); + return startIndex + 1; + } + if (explicitArg) { + argCount = self._matchArgument(action, 'A'); + + // if the action is a single-dash option and takes no + // arguments, try to parse more single-dash options out + // of the tail of the option string + var chars = self.prefixChars; + if (argCount === 0 && chars.indexOf(optionString[1]) < 0) { + actionTuples.push([ action, [], optionString ]); + optionString = optionString[0] + explicitArg[0]; + var newExplicitArg = explicitArg.slice(1) || null; + var optionalsMap = self._optionStringActions; + + if (Object.keys(optionalsMap).indexOf(optionString) >= 0) { + action = optionalsMap[optionString]; + explicitArg = newExplicitArg; + } else { + throw argumentErrorHelper(action, sprintf('ignored explicit argument %r', explicitArg)); + } + } else if (argCount === 1) { + // if the action expect exactly one argument, we've + // successfully matched the option; exit the loop + stop = startIndex + 1; + args = [ explicitArg ]; + actionTuples.push([ action, args, optionString ]); + break; + } else { + // error if a double-dash option did not use the + // explicit argument + throw argumentErrorHelper(action, sprintf('ignored explicit argument %r', explicitArg)); + } + } else { + // if there is no explicit argument, try to match the + // optional's string arguments with the following strings + // if successful, exit the loop + + start = startIndex + 1; + var selectedPatterns = argStringsPattern.substr(start); + + argCount = self._matchArgument(action, selectedPatterns); + stop = start + argCount; + + + args = argStrings.slice(start, stop); + + actionTuples.push([ action, args, optionString ]); + break; + } + + } + + // add the Optional to the list and return the index at which + // the Optional's string args stopped + if (actionTuples.length < 1) { + throw new Error('length should be > 0'); + } + for (var i = 0; i < actionTuples.length; i++) { + takeAction.apply(self, actionTuples[i]); + } + return stop; + } + + // the list of Positionals left to be parsed; this is modified + // by consume_positionals() + var positionals = self._getPositionalActions(); + + function consumePositionals(startIndex) { + // match as many Positionals as possible + var selectedPattern = argStringsPattern.substr(startIndex); + var argCounts = self._matchArgumentsPartial(positionals, selectedPattern); + + // slice off the appropriate arg strings for each Positional + // and add the Positional and its args to the list + for (var i = 0; i < positionals.length; i++) { + var action = positionals[i]; + var argCount = argCounts[i]; + if (typeof argCount === 'undefined') { + continue; + } + var args = argStrings.slice(startIndex, startIndex + argCount); + + startIndex += argCount; + takeAction(action, args); + } + + // slice off the Positionals that we just parsed and return the + // index at which the Positionals' string args stopped + positionals = positionals.slice(argCounts.length); + return startIndex; + } + + // consume Positionals and Optionals alternately, until we have + // passed the last option string + var startIndex = 0; + var position; + + var maxOptionStringIndex = -1; + + Object.keys(optionStringIndices).forEach(function (position) { + maxOptionStringIndex = Math.max(maxOptionStringIndex, parseInt(position, 10)); + }); + + var positionalsEndIndex, nextOptionStringIndex; + + while (startIndex <= maxOptionStringIndex) { + // consume any Positionals preceding the next option + nextOptionStringIndex = null; + for (position in optionStringIndices) { + if (!optionStringIndices.hasOwnProperty(position)) { continue; } + + position = parseInt(position, 10); + if (position >= startIndex) { + if (nextOptionStringIndex !== null) { + nextOptionStringIndex = Math.min(nextOptionStringIndex, position); + } else { + nextOptionStringIndex = position; + } + } + } + + if (startIndex !== nextOptionStringIndex) { + positionalsEndIndex = consumePositionals(startIndex); + // only try to parse the next optional if we didn't consume + // the option string during the positionals parsing + if (positionalsEndIndex > startIndex) { + startIndex = positionalsEndIndex; + continue; + } else { + startIndex = positionalsEndIndex; + } + } + + // if we consumed all the positionals we could and we're not + // at the index of an option string, there were extra arguments + if (!optionStringIndices[startIndex]) { + var strings = argStrings.slice(startIndex, nextOptionStringIndex); + extras = extras.concat(strings); + startIndex = nextOptionStringIndex; + } + // consume the next optional and any arguments for it + startIndex = consumeOptional(startIndex); + } + + // consume any positionals following the last Optional + var stopIndex = consumePositionals(startIndex); + + // if we didn't consume all the argument strings, there were extras + extras = extras.concat(argStrings.slice(stopIndex)); + + // if we didn't use all the Positional objects, there were too few + // arg strings supplied. + if (positionals.length > 0) { + self.error('too few arguments'); + } + + // make sure all required actions were present + self._actions.forEach(function (action) { + if (action.required) { + if (seenActions.indexOf(action) < 0) { + self.error(format('Argument "%s" is required', action.getName())); + } + } + }); + + // make sure all required groups have one option present + var actionUsed = false; + self._mutuallyExclusiveGroups.forEach(function (group) { + if (group.required) { + actionUsed = group._groupActions.some(function (action) { + return seenNonDefaultActions.indexOf(action) !== -1; + }); + + // if no actions were used, report the error + if (!actionUsed) { + var names = []; + group._groupActions.forEach(function (action) { + if (action.help !== c.SUPPRESS) { + names.push(action.getName()); + } + }); + names = names.join(' '); + var msg = 'one of the arguments ' + names + ' is required'; + self.error(msg); + } + } + }); + + // return the updated namespace and the extra arguments + return [ namespace, extras ]; +}; + +ArgumentParser.prototype._readArgsFromFiles = function (argStrings) { + // expand arguments referencing files + var self = this; + var fs = require('fs'); + var newArgStrings = []; + argStrings.forEach(function (argString) { + if (self.fromfilePrefixChars.indexOf(argString[0]) < 0) { + // for regular arguments, just add them back into the list + newArgStrings.push(argString); + } else { + // replace arguments referencing files with the file content + try { + var argstrs = []; + var filename = argString.slice(1); + var content = fs.readFileSync(filename, 'utf8'); + content = content.trim().split('\n'); + content.forEach(function (argLine) { + self.convertArgLineToArgs(argLine).forEach(function (arg) { + argstrs.push(arg); + }); + argstrs = self._readArgsFromFiles(argstrs); + }); + newArgStrings.push.apply(newArgStrings, argstrs); + } catch (error) { + return self.error(error.message); + } + } + }); + return newArgStrings; +}; + +ArgumentParser.prototype.convertArgLineToArgs = function (argLine) { + return [ argLine ]; +}; + +ArgumentParser.prototype._matchArgument = function (action, regexpArgStrings) { + + // match the pattern for this action to the arg strings + var regexpNargs = new RegExp('^' + this._getNargsPattern(action)); + var matches = regexpArgStrings.match(regexpNargs); + var message; + + // throw an exception if we weren't able to find a match + if (!matches) { + switch (action.nargs) { + /*eslint-disable no-undefined*/ + case undefined: + case null: + message = 'Expected one argument.'; + break; + case c.OPTIONAL: + message = 'Expected at most one argument.'; + break; + case c.ONE_OR_MORE: + message = 'Expected at least one argument.'; + break; + default: + message = 'Expected %s argument(s)'; + } + + throw argumentErrorHelper( + action, + format(message, action.nargs) + ); + } + // return the number of arguments matched + return matches[1].length; +}; + +ArgumentParser.prototype._matchArgumentsPartial = function (actions, regexpArgStrings) { + // progressively shorten the actions list by slicing off the + // final actions until we find a match + var self = this; + var result = []; + var actionSlice, pattern, matches; + var i, j; + + function getLength(string) { + return string.length; + } + + for (i = actions.length; i > 0; i--) { + pattern = ''; + actionSlice = actions.slice(0, i); + for (j = 0; j < actionSlice.length; j++) { + pattern += self._getNargsPattern(actionSlice[j]); + } + + pattern = new RegExp('^' + pattern); + matches = regexpArgStrings.match(pattern); + + if (matches && matches.length > 0) { + // need only groups + matches = matches.splice(1); + result = result.concat(matches.map(getLength)); + break; + } + } + + // return the list of arg string counts + return result; +}; + +ArgumentParser.prototype._parseOptional = function (argString) { + var action, optionString, argExplicit, optionTuples; + + // if it's an empty string, it was meant to be a positional + if (!argString) { + return null; + } + + // if it doesn't start with a prefix, it was meant to be positional + if (this.prefixChars.indexOf(argString[0]) < 0) { + return null; + } + + // if the option string is present in the parser, return the action + if (this._optionStringActions[argString]) { + return [ this._optionStringActions[argString], argString, null ]; + } + + // if it's just a single character, it was meant to be positional + if (argString.length === 1) { + return null; + } + + // if the option string before the "=" is present, return the action + if (argString.indexOf('=') >= 0) { + optionString = argString.split('=', 1)[0]; + argExplicit = argString.slice(optionString.length + 1); + + if (this._optionStringActions[optionString]) { + action = this._optionStringActions[optionString]; + return [ action, optionString, argExplicit ]; + } + } + + // search through all possible prefixes of the option string + // and all actions in the parser for possible interpretations + optionTuples = this._getOptionTuples(argString); + + // if multiple actions match, the option string was ambiguous + if (optionTuples.length > 1) { + var optionStrings = optionTuples.map(function (optionTuple) { + return optionTuple[1]; + }); + this.error(format( + 'Ambiguous option: "%s" could match %s.', + argString, optionStrings.join(', ') + )); + // if exactly one action matched, this segmentation is good, + // so return the parsed action + } else if (optionTuples.length === 1) { + return optionTuples[0]; + } + + // if it was not found as an option, but it looks like a negative + // number, it was meant to be positional + // unless there are negative-number-like options + if (argString.match(this._regexpNegativeNumber)) { + if (!this._hasNegativeNumberOptionals.some(Boolean)) { + return null; + } + } + // if it contains a space, it was meant to be a positional + if (argString.search(' ') >= 0) { + return null; + } + + // it was meant to be an optional but there is no such option + // in this parser (though it might be a valid option in a subparser) + return [ null, argString, null ]; +}; + +ArgumentParser.prototype._getOptionTuples = function (optionString) { + var result = []; + var chars = this.prefixChars; + var optionPrefix; + var argExplicit; + var action; + var actionOptionString; + + // option strings starting with two prefix characters are only split at + // the '=' + if (chars.indexOf(optionString[0]) >= 0 && chars.indexOf(optionString[1]) >= 0) { + if (optionString.indexOf('=') >= 0) { + var optionStringSplit = optionString.split('=', 1); + + optionPrefix = optionStringSplit[0]; + argExplicit = optionStringSplit[1]; + } else { + optionPrefix = optionString; + argExplicit = null; + } + + for (actionOptionString in this._optionStringActions) { + if (actionOptionString.substr(0, optionPrefix.length) === optionPrefix) { + action = this._optionStringActions[actionOptionString]; + result.push([ action, actionOptionString, argExplicit ]); + } + } + + // single character options can be concatenated with their arguments + // but multiple character options always have to have their argument + // separate + } else if (chars.indexOf(optionString[0]) >= 0 && chars.indexOf(optionString[1]) < 0) { + optionPrefix = optionString; + argExplicit = null; + var optionPrefixShort = optionString.substr(0, 2); + var argExplicitShort = optionString.substr(2); + + for (actionOptionString in this._optionStringActions) { + if (!$$.has(this._optionStringActions, actionOptionString)) continue; + + action = this._optionStringActions[actionOptionString]; + if (actionOptionString === optionPrefixShort) { + result.push([ action, actionOptionString, argExplicitShort ]); + } else if (actionOptionString.substr(0, optionPrefix.length) === optionPrefix) { + result.push([ action, actionOptionString, argExplicit ]); + } + } + + // shouldn't ever get here + } else { + throw new Error(format('Unexpected option string: %s.', optionString)); + } + // return the collected option tuples + return result; +}; + +ArgumentParser.prototype._getNargsPattern = function (action) { + // in all examples below, we have to allow for '--' args + // which are represented as '-' in the pattern + var regexpNargs; + + switch (action.nargs) { + // the default (null) is assumed to be a single argument + case undefined: + case null: + regexpNargs = '(-*A-*)'; + break; + // allow zero or more arguments + case c.OPTIONAL: + regexpNargs = '(-*A?-*)'; + break; + // allow zero or more arguments + case c.ZERO_OR_MORE: + regexpNargs = '(-*[A-]*)'; + break; + // allow one or more arguments + case c.ONE_OR_MORE: + regexpNargs = '(-*A[A-]*)'; + break; + // allow any number of options or arguments + case c.REMAINDER: + regexpNargs = '([-AO]*)'; + break; + // allow one argument followed by any number of options or arguments + case c.PARSER: + regexpNargs = '(-*A[-AO]*)'; + break; + // all others should be integers + default: + regexpNargs = '(-*' + $$.repeat('-*A', action.nargs) + '-*)'; + } + + // if this is an optional action, -- is not allowed + if (action.isOptional()) { + regexpNargs = regexpNargs.replace(/-\*/g, ''); + regexpNargs = regexpNargs.replace(/-/g, ''); + } + + // return the pattern + return regexpNargs; +}; + +// +// Value conversion methods +// + +ArgumentParser.prototype._getValues = function (action, argStrings) { + var self = this; + + // for everything but PARSER args, strip out '--' + if (action.nargs !== c.PARSER && action.nargs !== c.REMAINDER) { + argStrings = argStrings.filter(function (arrayElement) { + return arrayElement !== '--'; + }); + } + + var value, argString; + + // optional argument produces a default when not present + if (argStrings.length === 0 && action.nargs === c.OPTIONAL) { + + value = (action.isOptional()) ? action.constant : action.defaultValue; + + if (typeof (value) === 'string') { + value = this._getValue(action, value); + this._checkValue(action, value); + } + + // when nargs='*' on a positional, if there were no command-line + // args, use the default if it is anything other than None + } else if (argStrings.length === 0 && action.nargs === c.ZERO_OR_MORE && + action.optionStrings.length === 0) { + + value = (action.defaultValue || argStrings); + this._checkValue(action, value); + + // single argument or optional argument produces a single value + } else if (argStrings.length === 1 && + (!action.nargs || action.nargs === c.OPTIONAL)) { + + argString = argStrings[0]; + value = this._getValue(action, argString); + this._checkValue(action, value); + + // REMAINDER arguments convert all values, checking none + } else if (action.nargs === c.REMAINDER) { + value = argStrings.map(function (v) { + return self._getValue(action, v); + }); + + // PARSER arguments convert all values, but check only the first + } else if (action.nargs === c.PARSER) { + value = argStrings.map(function (v) { + return self._getValue(action, v); + }); + this._checkValue(action, value[0]); + + // all other types of nargs produce a list + } else { + value = argStrings.map(function (v) { + return self._getValue(action, v); + }); + value.forEach(function (v) { + self._checkValue(action, v); + }); + } + + // return the converted value + return value; +}; + +ArgumentParser.prototype._getValue = function (action, argString) { + var result; + + var typeFunction = this._registryGet('type', action.type, action.type); + if (typeof typeFunction !== 'function') { + var message = format('%s is not callable', typeFunction); + throw argumentErrorHelper(action, message); + } + + // convert the value to the appropriate type + try { + result = typeFunction(argString); + + // ArgumentTypeErrors indicate errors + // If action.type is not a registered string, it is a function + // Try to deduce its name for inclusion in the error message + // Failing that, include the error message it raised. + } catch (e) { + var name = null; + if (typeof action.type === 'string') { + name = action.type; + } else { + name = action.type.name || action.type.displayName || '<function>'; + } + var msg = format('Invalid %s value: %s', name, argString); + if (name === '<function>') { msg += '\n' + e.message; } + throw argumentErrorHelper(action, msg); + } + // return the converted value + return result; +}; + +ArgumentParser.prototype._checkValue = function (action, value) { + // converted value must be one of the choices (if specified) + var choices = action.choices; + if (choices) { + // choise for argument can by array or string + if ((typeof choices === 'string' || Array.isArray(choices)) && + choices.indexOf(value) !== -1) { + return; + } + // choise for subparsers can by only hash + if (typeof choices === 'object' && !Array.isArray(choices) && choices[value]) { + return; + } + + if (typeof choices === 'string') { + choices = choices.split('').join(', '); + } else if (Array.isArray(choices)) { + choices = choices.join(', '); + } else { + choices = Object.keys(choices).join(', '); + } + var message = format('Invalid choice: %s (choose from [%s])', value, choices); + throw argumentErrorHelper(action, message); + } +}; + +// +// Help formatting methods +// + +/** + * ArgumentParser#formatUsage -> string + * + * Return usage string + * + * See also [original guide][1] + * + * [1]:http://docs.python.org/dev/library/argparse.html#printing-help + **/ +ArgumentParser.prototype.formatUsage = function () { + var formatter = this._getFormatter(); + formatter.addUsage(this.usage, this._actions, this._mutuallyExclusiveGroups); + return formatter.formatHelp(); +}; + +/** + * ArgumentParser#formatHelp -> string + * + * Return help + * + * See also [original guide][1] + * + * [1]:http://docs.python.org/dev/library/argparse.html#printing-help + **/ +ArgumentParser.prototype.formatHelp = function () { + var formatter = this._getFormatter(); + + // usage + formatter.addUsage(this.usage, this._actions, this._mutuallyExclusiveGroups); + + // description + formatter.addText(this.description); + + // positionals, optionals and user-defined groups + this._actionGroups.forEach(function (actionGroup) { + formatter.startSection(actionGroup.title); + formatter.addText(actionGroup.description); + formatter.addArguments(actionGroup._groupActions); + formatter.endSection(); + }); + + // epilog + formatter.addText(this.epilog); + + // determine help from format above + return formatter.formatHelp(); +}; + +ArgumentParser.prototype._getFormatter = function () { + var FormatterClass = this.formatterClass; + var formatter = new FormatterClass({ prog: this.prog }); + return formatter; +}; + +// +// Print functions +// + +/** + * ArgumentParser#printUsage() -> Void + * + * Print usage + * + * See also [original guide][1] + * + * [1]:http://docs.python.org/dev/library/argparse.html#printing-help + **/ +ArgumentParser.prototype.printUsage = function () { + this._printMessage(this.formatUsage()); +}; + +/** + * ArgumentParser#printHelp() -> Void + * + * Print help + * + * See also [original guide][1] + * + * [1]:http://docs.python.org/dev/library/argparse.html#printing-help + **/ +ArgumentParser.prototype.printHelp = function () { + this._printMessage(this.formatHelp()); +}; + +ArgumentParser.prototype._printMessage = function (message, stream) { + if (!stream) { + stream = process.stdout; + } + if (message) { + stream.write('' + message); + } +}; + +// +// Exit functions +// + +/** + * ArgumentParser#exit(status=0, message) -> Void + * - status (int): exit status + * - message (string): message + * + * Print message in stderr/stdout and exit program + **/ +ArgumentParser.prototype.exit = function (status, message) { + if (message) { + if (status === 0) { + this._printMessage(message); + } else { + this._printMessage(message, process.stderr); + } + } + + process.exit(status); +}; + +/** + * ArgumentParser#error(message) -> Void + * - err (Error|string): message + * + * Error method Prints a usage message incorporating the message to stderr and + * exits. If you override this in a subclass, + * it should not return -- it should + * either exit or throw an exception. + * + **/ +ArgumentParser.prototype.error = function (err) { + var message; + if (err instanceof Error) { + if (this.debug === true) { + throw err; + } + message = err.message; + } else { + message = err; + } + var msg = format('%s: error: %s', this.prog, message) + c.EOL; + + if (this.debug === true) { + throw new Error(msg); + } + + this.printUsage(process.stderr); + + return this.exit(2, msg); +}; + +module.exports = ArgumentParser; diff --git a/node_modules/argparse/lib/const.js b/node_modules/argparse/lib/const.js new file mode 100644 index 0000000..b1fd4ce --- /dev/null +++ b/node_modules/argparse/lib/const.js @@ -0,0 +1,21 @@ +// +// Constants +// + +'use strict'; + +module.exports.EOL = '\n'; + +module.exports.SUPPRESS = '==SUPPRESS=='; + +module.exports.OPTIONAL = '?'; + +module.exports.ZERO_OR_MORE = '*'; + +module.exports.ONE_OR_MORE = '+'; + +module.exports.PARSER = 'A...'; + +module.exports.REMAINDER = '...'; + +module.exports._UNRECOGNIZED_ARGS_ATTR = '_unrecognized_args'; diff --git a/node_modules/argparse/lib/help/added_formatters.js b/node_modules/argparse/lib/help/added_formatters.js new file mode 100644 index 0000000..f8e4299 --- /dev/null +++ b/node_modules/argparse/lib/help/added_formatters.js @@ -0,0 +1,87 @@ +'use strict'; + +var util = require('util'); + +// Constants +var c = require('../const'); + +var $$ = require('../utils'); +var HelpFormatter = require('./formatter.js'); + +/** + * new RawDescriptionHelpFormatter(options) + * new ArgumentParser({formatterClass: argparse.RawDescriptionHelpFormatter, ...}) + * + * Help message formatter which adds default values to argument help. + * + * Only the name of this class is considered a public API. All the methods + * provided by the class are considered an implementation detail. + **/ + +function ArgumentDefaultsHelpFormatter(options) { + HelpFormatter.call(this, options); +} + +util.inherits(ArgumentDefaultsHelpFormatter, HelpFormatter); + +ArgumentDefaultsHelpFormatter.prototype._getHelpString = function (action) { + var help = action.help; + if (action.help.indexOf('%(defaultValue)s') === -1) { + if (action.defaultValue !== c.SUPPRESS) { + var defaulting_nargs = [ c.OPTIONAL, c.ZERO_OR_MORE ]; + if (action.isOptional() || (defaulting_nargs.indexOf(action.nargs) >= 0)) { + help += ' (default: %(defaultValue)s)'; + } + } + } + return help; +}; + +module.exports.ArgumentDefaultsHelpFormatter = ArgumentDefaultsHelpFormatter; + +/** + * new RawDescriptionHelpFormatter(options) + * new ArgumentParser({formatterClass: argparse.RawDescriptionHelpFormatter, ...}) + * + * Help message formatter which retains any formatting in descriptions. + * + * Only the name of this class is considered a public API. All the methods + * provided by the class are considered an implementation detail. + **/ + +function RawDescriptionHelpFormatter(options) { + HelpFormatter.call(this, options); +} + +util.inherits(RawDescriptionHelpFormatter, HelpFormatter); + +RawDescriptionHelpFormatter.prototype._fillText = function (text, width, indent) { + var lines = text.split('\n'); + lines = lines.map(function (line) { + return $$.trimEnd(indent + line); + }); + return lines.join('\n'); +}; +module.exports.RawDescriptionHelpFormatter = RawDescriptionHelpFormatter; + +/** + * new RawTextHelpFormatter(options) + * new ArgumentParser({formatterClass: argparse.RawTextHelpFormatter, ...}) + * + * Help message formatter which retains formatting of all help text. + * + * Only the name of this class is considered a public API. All the methods + * provided by the class are considered an implementation detail. + **/ + +function RawTextHelpFormatter(options) { + RawDescriptionHelpFormatter.call(this, options); +} + +util.inherits(RawTextHelpFormatter, RawDescriptionHelpFormatter); + +RawTextHelpFormatter.prototype._splitLines = function (text) { + return text.split('\n'); +}; + +module.exports.RawTextHelpFormatter = RawTextHelpFormatter; diff --git a/node_modules/argparse/lib/help/formatter.js b/node_modules/argparse/lib/help/formatter.js new file mode 100644 index 0000000..29036c1 --- /dev/null +++ b/node_modules/argparse/lib/help/formatter.js @@ -0,0 +1,795 @@ +/** + * class HelpFormatter + * + * Formatter for generating usage messages and argument help strings. Only the + * name of this class is considered a public API. All the methods provided by + * the class are considered an implementation detail. + * + * Do not call in your code, use this class only for inherits your own forvatter + * + * ToDo add [additonal formatters][1] + * + * [1]:http://docs.python.org/dev/library/argparse.html#formatter-class + **/ +'use strict'; + +var sprintf = require('sprintf-js').sprintf; + +// Constants +var c = require('../const'); + +var $$ = require('../utils'); + + +/*:nodoc:* internal + * new Support(parent, heding) + * - parent (object): parent section + * - heading (string): header string + * + **/ +function Section(parent, heading) { + this._parent = parent; + this._heading = heading; + this._items = []; +} + +/*:nodoc:* internal + * Section#addItem(callback) -> Void + * - callback (array): tuple with function and args + * + * Add function for single element + **/ +Section.prototype.addItem = function (callback) { + this._items.push(callback); +}; + +/*:nodoc:* internal + * Section#formatHelp(formatter) -> string + * - formatter (HelpFormatter): current formatter + * + * Form help section string + * + **/ +Section.prototype.formatHelp = function (formatter) { + var itemHelp, heading; + + // format the indented section + if (this._parent) { + formatter._indent(); + } + + itemHelp = this._items.map(function (item) { + var obj, func, args; + + obj = formatter; + func = item[0]; + args = item[1]; + return func.apply(obj, args); + }); + itemHelp = formatter._joinParts(itemHelp); + + if (this._parent) { + formatter._dedent(); + } + + // return nothing if the section was empty + if (!itemHelp) { + return ''; + } + + // add the heading if the section was non-empty + heading = ''; + if (this._heading && this._heading !== c.SUPPRESS) { + var currentIndent = formatter.currentIndent; + heading = $$.repeat(' ', currentIndent) + this._heading + ':' + c.EOL; + } + + // join the section-initialize newline, the heading and the help + return formatter._joinParts([ c.EOL, heading, itemHelp, c.EOL ]); +}; + +/** + * new HelpFormatter(options) + * + * #### Options: + * - `prog`: program name + * - `indentIncriment`: indent step, default value 2 + * - `maxHelpPosition`: max help position, default value = 24 + * - `width`: line width + * + **/ +var HelpFormatter = module.exports = function HelpFormatter(options) { + options = options || {}; + + this._prog = options.prog; + + this._maxHelpPosition = options.maxHelpPosition || 24; + this._width = (options.width || ((process.env.COLUMNS || 80) - 2)); + + this._currentIndent = 0; + this._indentIncriment = options.indentIncriment || 2; + this._level = 0; + this._actionMaxLength = 0; + + this._rootSection = new Section(null); + this._currentSection = this._rootSection; + + this._whitespaceMatcher = new RegExp('\\s+', 'g'); + this._longBreakMatcher = new RegExp(c.EOL + c.EOL + c.EOL + '+', 'g'); +}; + +HelpFormatter.prototype._indent = function () { + this._currentIndent += this._indentIncriment; + this._level += 1; +}; + +HelpFormatter.prototype._dedent = function () { + this._currentIndent -= this._indentIncriment; + this._level -= 1; + if (this._currentIndent < 0) { + throw new Error('Indent decreased below 0.'); + } +}; + +HelpFormatter.prototype._addItem = function (func, args) { + this._currentSection.addItem([ func, args ]); +}; + +// +// Message building methods +// + +/** + * HelpFormatter#startSection(heading) -> Void + * - heading (string): header string + * + * Start new help section + * + * See alse [code example][1] + * + * ##### Example + * + * formatter.startSection(actionGroup.title); + * formatter.addText(actionGroup.description); + * formatter.addArguments(actionGroup._groupActions); + * formatter.endSection(); + * + **/ +HelpFormatter.prototype.startSection = function (heading) { + this._indent(); + var section = new Section(this._currentSection, heading); + var func = section.formatHelp.bind(section); + this._addItem(func, [ this ]); + this._currentSection = section; +}; + +/** + * HelpFormatter#endSection -> Void + * + * End help section + * + * ##### Example + * + * formatter.startSection(actionGroup.title); + * formatter.addText(actionGroup.description); + * formatter.addArguments(actionGroup._groupActions); + * formatter.endSection(); + **/ +HelpFormatter.prototype.endSection = function () { + this._currentSection = this._currentSection._parent; + this._dedent(); +}; + +/** + * HelpFormatter#addText(text) -> Void + * - text (string): plain text + * + * Add plain text into current section + * + * ##### Example + * + * formatter.startSection(actionGroup.title); + * formatter.addText(actionGroup.description); + * formatter.addArguments(actionGroup._groupActions); + * formatter.endSection(); + * + **/ +HelpFormatter.prototype.addText = function (text) { + if (text && text !== c.SUPPRESS) { + this._addItem(this._formatText, [ text ]); + } +}; + +/** + * HelpFormatter#addUsage(usage, actions, groups, prefix) -> Void + * - usage (string): usage text + * - actions (array): actions list + * - groups (array): groups list + * - prefix (string): usage prefix + * + * Add usage data into current section + * + * ##### Example + * + * formatter.addUsage(this.usage, this._actions, []); + * return formatter.formatHelp(); + * + **/ +HelpFormatter.prototype.addUsage = function (usage, actions, groups, prefix) { + if (usage !== c.SUPPRESS) { + this._addItem(this._formatUsage, [ usage, actions, groups, prefix ]); + } +}; + +/** + * HelpFormatter#addArgument(action) -> Void + * - action (object): action + * + * Add argument into current section + * + * Single variant of [[HelpFormatter#addArguments]] + **/ +HelpFormatter.prototype.addArgument = function (action) { + if (action.help !== c.SUPPRESS) { + var self = this; + + // find all invocations + var invocations = [ this._formatActionInvocation(action) ]; + var invocationLength = invocations[0].length; + + var actionLength; + + if (action._getSubactions) { + this._indent(); + action._getSubactions().forEach(function (subaction) { + + var invocationNew = self._formatActionInvocation(subaction); + invocations.push(invocationNew); + invocationLength = Math.max(invocationLength, invocationNew.length); + + }); + this._dedent(); + } + + // update the maximum item length + actionLength = invocationLength + this._currentIndent; + this._actionMaxLength = Math.max(this._actionMaxLength, actionLength); + + // add the item to the list + this._addItem(this._formatAction, [ action ]); + } +}; + +/** + * HelpFormatter#addArguments(actions) -> Void + * - actions (array): actions list + * + * Mass add arguments into current section + * + * ##### Example + * + * formatter.startSection(actionGroup.title); + * formatter.addText(actionGroup.description); + * formatter.addArguments(actionGroup._groupActions); + * formatter.endSection(); + * + **/ +HelpFormatter.prototype.addArguments = function (actions) { + var self = this; + actions.forEach(function (action) { + self.addArgument(action); + }); +}; + +// +// Help-formatting methods +// + +/** + * HelpFormatter#formatHelp -> string + * + * Format help + * + * ##### Example + * + * formatter.addText(this.epilog); + * return formatter.formatHelp(); + * + **/ +HelpFormatter.prototype.formatHelp = function () { + var help = this._rootSection.formatHelp(this); + if (help) { + help = help.replace(this._longBreakMatcher, c.EOL + c.EOL); + help = $$.trimChars(help, c.EOL) + c.EOL; + } + return help; +}; + +HelpFormatter.prototype._joinParts = function (partStrings) { + return partStrings.filter(function (part) { + return (part && part !== c.SUPPRESS); + }).join(''); +}; + +HelpFormatter.prototype._formatUsage = function (usage, actions, groups, prefix) { + if (!prefix && typeof prefix !== 'string') { + prefix = 'usage: '; + } + + actions = actions || []; + groups = groups || []; + + + // if usage is specified, use that + if (usage) { + usage = sprintf(usage, { prog: this._prog }); + + // if no optionals or positionals are available, usage is just prog + } else if (!usage && actions.length === 0) { + usage = this._prog; + + // if optionals and positionals are available, calculate usage + } else if (!usage) { + var prog = this._prog; + var optionals = []; + var positionals = []; + var actionUsage; + var textWidth; + + // split optionals from positionals + actions.forEach(function (action) { + if (action.isOptional()) { + optionals.push(action); + } else { + positionals.push(action); + } + }); + + // build full usage string + actionUsage = this._formatActionsUsage([].concat(optionals, positionals), groups); + usage = [ prog, actionUsage ].join(' '); + + // wrap the usage parts if it's too long + textWidth = this._width - this._currentIndent; + if ((prefix.length + usage.length) > textWidth) { + + // break usage into wrappable parts + var regexpPart = new RegExp('\\(.*?\\)+|\\[.*?\\]+|\\S+', 'g'); + var optionalUsage = this._formatActionsUsage(optionals, groups); + var positionalUsage = this._formatActionsUsage(positionals, groups); + + + var optionalParts = optionalUsage.match(regexpPart); + var positionalParts = positionalUsage.match(regexpPart) || []; + + if (optionalParts.join(' ') !== optionalUsage) { + throw new Error('assert "optionalParts.join(\' \') === optionalUsage"'); + } + if (positionalParts.join(' ') !== positionalUsage) { + throw new Error('assert "positionalParts.join(\' \') === positionalUsage"'); + } + + // helper for wrapping lines + /*eslint-disable func-style*/ // node 0.10 compat + var _getLines = function (parts, indent, prefix) { + var lines = []; + var line = []; + + var lineLength = prefix ? prefix.length - 1 : indent.length - 1; + + parts.forEach(function (part) { + if (lineLength + 1 + part.length > textWidth) { + lines.push(indent + line.join(' ')); + line = []; + lineLength = indent.length - 1; + } + line.push(part); + lineLength += part.length + 1; + }); + + if (line) { + lines.push(indent + line.join(' ')); + } + if (prefix) { + lines[0] = lines[0].substr(indent.length); + } + return lines; + }; + + var lines, indent, parts; + // if prog is short, follow it with optionals or positionals + if (prefix.length + prog.length <= 0.75 * textWidth) { + indent = $$.repeat(' ', (prefix.length + prog.length + 1)); + if (optionalParts) { + lines = [].concat( + _getLines([ prog ].concat(optionalParts), indent, prefix), + _getLines(positionalParts, indent) + ); + } else if (positionalParts) { + lines = _getLines([ prog ].concat(positionalParts), indent, prefix); + } else { + lines = [ prog ]; + } + + // if prog is long, put it on its own line + } else { + indent = $$.repeat(' ', prefix.length); + parts = optionalParts.concat(positionalParts); + lines = _getLines(parts, indent); + if (lines.length > 1) { + lines = [].concat( + _getLines(optionalParts, indent), + _getLines(positionalParts, indent) + ); + } + lines = [ prog ].concat(lines); + } + // join lines into usage + usage = lines.join(c.EOL); + } + } + + // prefix with 'usage:' + return prefix + usage + c.EOL + c.EOL; +}; + +HelpFormatter.prototype._formatActionsUsage = function (actions, groups) { + // find group indices and identify actions in groups + var groupActions = []; + var inserts = []; + var self = this; + + groups.forEach(function (group) { + var end; + var i; + + var start = actions.indexOf(group._groupActions[0]); + if (start >= 0) { + end = start + group._groupActions.length; + + //if (actions.slice(start, end) === group._groupActions) { + if ($$.arrayEqual(actions.slice(start, end), group._groupActions)) { + group._groupActions.forEach(function (action) { + groupActions.push(action); + }); + + if (!group.required) { + if (inserts[start]) { + inserts[start] += ' ['; + } else { + inserts[start] = '['; + } + inserts[end] = ']'; + } else { + if (inserts[start]) { + inserts[start] += ' ('; + } else { + inserts[start] = '('; + } + inserts[end] = ')'; + } + for (i = start + 1; i < end; i += 1) { + inserts[i] = '|'; + } + } + } + }); + + // collect all actions format strings + var parts = []; + + actions.forEach(function (action, actionIndex) { + var part; + var optionString; + var argsDefault; + var argsString; + + // suppressed arguments are marked with None + // remove | separators for suppressed arguments + if (action.help === c.SUPPRESS) { + parts.push(null); + if (inserts[actionIndex] === '|') { + inserts.splice(actionIndex, actionIndex); + } else if (inserts[actionIndex + 1] === '|') { + inserts.splice(actionIndex + 1, actionIndex + 1); + } + + // produce all arg strings + } else if (!action.isOptional()) { + part = self._formatArgs(action, action.dest); + + // if it's in a group, strip the outer [] + if (groupActions.indexOf(action) >= 0) { + if (part[0] === '[' && part[part.length - 1] === ']') { + part = part.slice(1, -1); + } + } + // add the action string to the list + parts.push(part); + + // produce the first way to invoke the option in brackets + } else { + optionString = action.optionStrings[0]; + + // if the Optional doesn't take a value, format is: -s or --long + if (action.nargs === 0) { + part = '' + optionString; + + // if the Optional takes a value, format is: -s ARGS or --long ARGS + } else { + argsDefault = action.dest.toUpperCase(); + argsString = self._formatArgs(action, argsDefault); + part = optionString + ' ' + argsString; + } + // make it look optional if it's not required or in a group + if (!action.required && groupActions.indexOf(action) < 0) { + part = '[' + part + ']'; + } + // add the action string to the list + parts.push(part); + } + }); + + // insert things at the necessary indices + for (var i = inserts.length - 1; i >= 0; --i) { + if (inserts[i] !== null) { + parts.splice(i, 0, inserts[i]); + } + } + + // join all the action items with spaces + var text = parts.filter(function (part) { + return !!part; + }).join(' '); + + // clean up separators for mutually exclusive groups + text = text.replace(/([\[(]) /g, '$1'); // remove spaces + text = text.replace(/ ([\])])/g, '$1'); + text = text.replace(/\[ *\]/g, ''); // remove empty groups + text = text.replace(/\( *\)/g, ''); + text = text.replace(/\(([^|]*)\)/g, '$1'); // remove () from single action groups + + text = text.trim(); + + // return the text + return text; +}; + +HelpFormatter.prototype._formatText = function (text) { + text = sprintf(text, { prog: this._prog }); + var textWidth = this._width - this._currentIndent; + var indentIncriment = $$.repeat(' ', this._currentIndent); + return this._fillText(text, textWidth, indentIncriment) + c.EOL + c.EOL; +}; + +HelpFormatter.prototype._formatAction = function (action) { + var self = this; + + var helpText; + var helpLines; + var parts; + var indentFirst; + + // determine the required width and the entry label + var helpPosition = Math.min(this._actionMaxLength + 2, this._maxHelpPosition); + var helpWidth = this._width - helpPosition; + var actionWidth = helpPosition - this._currentIndent - 2; + var actionHeader = this._formatActionInvocation(action); + + // no help; start on same line and add a final newline + if (!action.help) { + actionHeader = $$.repeat(' ', this._currentIndent) + actionHeader + c.EOL; + + // short action name; start on the same line and pad two spaces + } else if (actionHeader.length <= actionWidth) { + actionHeader = $$.repeat(' ', this._currentIndent) + + actionHeader + + ' ' + + $$.repeat(' ', actionWidth - actionHeader.length); + indentFirst = 0; + + // long action name; start on the next line + } else { + actionHeader = $$.repeat(' ', this._currentIndent) + actionHeader + c.EOL; + indentFirst = helpPosition; + } + + // collect the pieces of the action help + parts = [ actionHeader ]; + + // if there was help for the action, add lines of help text + if (action.help) { + helpText = this._expandHelp(action); + helpLines = this._splitLines(helpText, helpWidth); + parts.push($$.repeat(' ', indentFirst) + helpLines[0] + c.EOL); + helpLines.slice(1).forEach(function (line) { + parts.push($$.repeat(' ', helpPosition) + line + c.EOL); + }); + + // or add a newline if the description doesn't end with one + } else if (actionHeader.charAt(actionHeader.length - 1) !== c.EOL) { + parts.push(c.EOL); + } + // if there are any sub-actions, add their help as well + if (action._getSubactions) { + this._indent(); + action._getSubactions().forEach(function (subaction) { + parts.push(self._formatAction(subaction)); + }); + this._dedent(); + } + // return a single string + return this._joinParts(parts); +}; + +HelpFormatter.prototype._formatActionInvocation = function (action) { + if (!action.isOptional()) { + var format_func = this._metavarFormatter(action, action.dest); + var metavars = format_func(1); + return metavars[0]; + } + + var parts = []; + var argsDefault; + var argsString; + + // if the Optional doesn't take a value, format is: -s, --long + if (action.nargs === 0) { + parts = parts.concat(action.optionStrings); + + // if the Optional takes a value, format is: -s ARGS, --long ARGS + } else { + argsDefault = action.dest.toUpperCase(); + argsString = this._formatArgs(action, argsDefault); + action.optionStrings.forEach(function (optionString) { + parts.push(optionString + ' ' + argsString); + }); + } + return parts.join(', '); +}; + +HelpFormatter.prototype._metavarFormatter = function (action, metavarDefault) { + var result; + + if (action.metavar || action.metavar === '') { + result = action.metavar; + } else if (action.choices) { + var choices = action.choices; + + if (typeof choices === 'string') { + choices = choices.split('').join(', '); + } else if (Array.isArray(choices)) { + choices = choices.join(','); + } else { + choices = Object.keys(choices).join(','); + } + result = '{' + choices + '}'; + } else { + result = metavarDefault; + } + + return function (size) { + if (Array.isArray(result)) { + return result; + } + + var metavars = []; + for (var i = 0; i < size; i += 1) { + metavars.push(result); + } + return metavars; + }; +}; + +HelpFormatter.prototype._formatArgs = function (action, metavarDefault) { + var result; + var metavars; + + var buildMetavar = this._metavarFormatter(action, metavarDefault); + + switch (action.nargs) { + /*eslint-disable no-undefined*/ + case undefined: + case null: + metavars = buildMetavar(1); + result = '' + metavars[0]; + break; + case c.OPTIONAL: + metavars = buildMetavar(1); + result = '[' + metavars[0] + ']'; + break; + case c.ZERO_OR_MORE: + metavars = buildMetavar(2); + result = '[' + metavars[0] + ' [' + metavars[1] + ' ...]]'; + break; + case c.ONE_OR_MORE: + metavars = buildMetavar(2); + result = '' + metavars[0] + ' [' + metavars[1] + ' ...]'; + break; + case c.REMAINDER: + result = '...'; + break; + case c.PARSER: + metavars = buildMetavar(1); + result = metavars[0] + ' ...'; + break; + default: + metavars = buildMetavar(action.nargs); + result = metavars.join(' '); + } + return result; +}; + +HelpFormatter.prototype._expandHelp = function (action) { + var params = { prog: this._prog }; + + Object.keys(action).forEach(function (actionProperty) { + var actionValue = action[actionProperty]; + + if (actionValue !== c.SUPPRESS) { + params[actionProperty] = actionValue; + } + }); + + if (params.choices) { + if (typeof params.choices === 'string') { + params.choices = params.choices.split('').join(', '); + } else if (Array.isArray(params.choices)) { + params.choices = params.choices.join(', '); + } else { + params.choices = Object.keys(params.choices).join(', '); + } + } + + return sprintf(this._getHelpString(action), params); +}; + +HelpFormatter.prototype._splitLines = function (text, width) { + var lines = []; + var delimiters = [ ' ', '.', ',', '!', '?' ]; + var re = new RegExp('[' + delimiters.join('') + '][^' + delimiters.join('') + ']*$'); + + text = text.replace(/[\n\|\t]/g, ' '); + + text = text.trim(); + text = text.replace(this._whitespaceMatcher, ' '); + + // Wraps the single paragraph in text (a string) so every line + // is at most width characters long. + text.split(c.EOL).forEach(function (line) { + if (width >= line.length) { + lines.push(line); + return; + } + + var wrapStart = 0; + var wrapEnd = width; + var delimiterIndex = 0; + while (wrapEnd <= line.length) { + if (wrapEnd !== line.length && delimiters.indexOf(line[wrapEnd] < -1)) { + delimiterIndex = (re.exec(line.substring(wrapStart, wrapEnd)) || {}).index; + wrapEnd = wrapStart + delimiterIndex + 1; + } + lines.push(line.substring(wrapStart, wrapEnd)); + wrapStart = wrapEnd; + wrapEnd += width; + } + if (wrapStart < line.length) { + lines.push(line.substring(wrapStart, wrapEnd)); + } + }); + + return lines; +}; + +HelpFormatter.prototype._fillText = function (text, width, indent) { + var lines = this._splitLines(text, width); + lines = lines.map(function (line) { + return indent + line; + }); + return lines.join(c.EOL); +}; + +HelpFormatter.prototype._getHelpString = function (action) { + return action.help; +}; diff --git a/node_modules/argparse/lib/namespace.js b/node_modules/argparse/lib/namespace.js new file mode 100644 index 0000000..a860de9 --- /dev/null +++ b/node_modules/argparse/lib/namespace.js @@ -0,0 +1,76 @@ +/** + * class Namespace + * + * Simple object for storing attributes. Implements equality by attribute names + * and values, and provides a simple string representation. + * + * See also [original guide][1] + * + * [1]:http://docs.python.org/dev/library/argparse.html#the-namespace-object + **/ +'use strict'; + +var $$ = require('./utils'); + +/** + * new Namespace(options) + * - options(object): predefined propertis for result object + * + **/ +var Namespace = module.exports = function Namespace(options) { + $$.extend(this, options); +}; + +/** + * Namespace#isset(key) -> Boolean + * - key (string|number): property name + * + * Tells whenever `namespace` contains given `key` or not. + **/ +Namespace.prototype.isset = function (key) { + return $$.has(this, key); +}; + +/** + * Namespace#set(key, value) -> self + * -key (string|number|object): propery name + * -value (mixed): new property value + * + * Set the property named key with value. + * If key object then set all key properties to namespace object + **/ +Namespace.prototype.set = function (key, value) { + if (typeof (key) === 'object') { + $$.extend(this, key); + } else { + this[key] = value; + } + return this; +}; + +/** + * Namespace#get(key, defaultValue) -> mixed + * - key (string|number): property name + * - defaultValue (mixed): default value + * + * Return the property key or defaulValue if not set + **/ +Namespace.prototype.get = function (key, defaultValue) { + return !this[key] ? defaultValue : this[key]; +}; + +/** + * Namespace#unset(key, defaultValue) -> mixed + * - key (string|number): property name + * - defaultValue (mixed): default value + * + * Return data[key](and delete it) or defaultValue + **/ +Namespace.prototype.unset = function (key, defaultValue) { + var value = this[key]; + if (value !== null) { + delete this[key]; + return value; + } + return defaultValue; +}; diff --git a/node_modules/argparse/lib/utils.js b/node_modules/argparse/lib/utils.js new file mode 100644 index 0000000..4a9cf3e --- /dev/null +++ b/node_modules/argparse/lib/utils.js @@ -0,0 +1,57 @@ +'use strict'; + +exports.repeat = function (str, num) { + var result = ''; + for (var i = 0; i < num; i++) { result += str; } + return result; +}; + +exports.arrayEqual = function (a, b) { + if (a.length !== b.length) { return false; } + for (var i = 0; i < a.length; i++) { + if (a[i] !== b[i]) { return false; } + } + return true; +}; + +exports.trimChars = function (str, chars) { + var start = 0; + var end = str.length - 1; + while (chars.indexOf(str.charAt(start)) >= 0) { start++; } + while (chars.indexOf(str.charAt(end)) >= 0) { end--; } + return str.slice(start, end + 1); +}; + +exports.capitalize = function (str) { + return str.charAt(0).toUpperCase() + str.slice(1); +}; + +exports.arrayUnion = function () { + var result = []; + for (var i = 0, values = {}; i < arguments.length; i++) { + var arr = arguments[i]; + for (var j = 0; j < arr.length; j++) { + if (!values[arr[j]]) { + values[arr[j]] = true; + result.push(arr[j]); + } + } + } + return result; +}; + +function has(obj, key) { + return Object.prototype.hasOwnProperty.call(obj, key); +} + +exports.has = has; + +exports.extend = function (dest, src) { + for (var i in src) { + if (has(src, i)) { dest[i] = src[i]; } + } +}; + +exports.trimEnd = function (str) { + return str.replace(/\s+$/g, ''); +}; |