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| author | ruki <waruqi@gmail.com> | 2018-11-08 00:38:48 +0800 |
|---|---|---|
| committer | ruki <waruqi@gmail.com> | 2018-11-07 21:53:09 +0800 |
| commit | 26105034da4fcce7ac883c899d781f016559310d (patch) | |
| tree | c459a5dc4e3aa0972d9919033ece511ce76dd129 /node_modules/argparse/lib/action/store/constant.js | |
| parent | 2c77f00f1a7ecb6c8192f9c16d3b2001b254a107 (diff) | |
| download | xmake-docs-26105034da4fcce7ac883c899d781f016559310d.tar.gz xmake-docs-26105034da4fcce7ac883c899d781f016559310d.zip | |
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Diffstat (limited to 'node_modules/argparse/lib/action/store/constant.js')
| -rw-r--r-- | node_modules/argparse/lib/action/store/constant.js | 43 |
1 files changed, 43 insertions, 0 deletions
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 00000000..23caa897 --- /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); +}; |
