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more tweaking docs...
Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>
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README.md
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README.md
@ -71,29 +71,29 @@ This code is an evolution of that parser.
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- [`-h` / `--help`](#-h----help)
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- [Value placeholders](#value-placeholders)
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- [Automatically defined values](#automatically-defined-values)
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- [`.doc`](#doc)
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- [`.usage`](#usage)
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- [`.version`](#version)
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- [`.license`](#license)
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- [`.examples`](#examples)
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- [`.footer`](#footer)
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- [`<parser>.doc`](#parserdoc)
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- [`<parser>.usage`](#parserusage)
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- [`<parser>.version`](#parserversion)
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- [`<parser>.license`](#parserlicense)
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- [`<parser>.examples`](#parserexamples)
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- [`<parser>.footer`](#parserfooter)
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- [More control over help...](#more-control-over-help)
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- [Nested parsers](#nested-parsers)
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- [Components and API](#components-and-api)
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- [`THEN`, `STOP` and `ERROR`](#then-stop-and-error)
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- [`Parser(..)`](#parser)
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- [`.then(..)`](#then)
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- [`.stop(..)`](#stop)
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- [`.error(..)`](#error)
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- [`.off(..)`](#off)
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- [`<parser>.then(..)`](#parserthen)
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- [`<parser>.stop(..)`](#parserstop)
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- [`<parser>.error(..)`](#parsererror)
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- [`<parser>.off(..)`](#parseroff)
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- [`<parser>(..)`](#parser-1)
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- [Advanced parser API](#advanced-parser-api)
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- [`.print(..)` / `.printError(..)`](#print--printerror)
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- [`.handlerDefault(..)`](#handlerdefault)
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- [`.handleArgumentValue(..)`](#handleargumentvalue)
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- [`.handleErrorExit(..)`](#handleerrorexit)
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- [`<parser>.print(..)` / `<parser>.printError(..)`](#parserprint--parserprinterror)
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- [`<parser>.handlerDefault(..)`](#parserhandlerdefault)
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- [`<parser>.handleArgumentValue(..)`](#parserhandleargumentvalue)
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- [`<parser>.handleErrorExit(..)`](#parserhandleerrorexit)
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- [More...](#more)
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- [License](#license-1)
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- [License](#license)
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## Installation
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@ -137,6 +137,7 @@ XXX make this a set of practical options and leave the attr explanation to later
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```javascript
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var parser = argv.Parser({
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// doc sections...
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varsion: '0.0.1',
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doc: 'Example script options',
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author: 'John Smith <j.smith@some-mail.com>',
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footer: 'Written by $AUTHOR ($VERSION / $LICENSE).',
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@ -415,7 +416,7 @@ not given.
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Stop processing further options.
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This can be used to terminate nested parsers or to stop option processing
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in the root parser to handle the rest of the options in `.then(..)`,
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in the root parser to handle the rest of the options in `<parser>.then(..)`,
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for example.
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@ -481,7 +482,7 @@ These values are set by the parser just before parsing starts:
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These will be overwritten when the parser is called.
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##### `.doc`
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##### `<parser>.doc`
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Script documentation.
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<spec>.doc = <string> | <function>
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@ -489,7 +490,7 @@ Script documentation.
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Default value: `undefined`
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##### `.usage`
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##### `<parser>.usage`
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Basic usage hint.
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<spec>.usage = <string> | <function> | undefined
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@ -497,7 +498,7 @@ Basic usage hint.
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Default value: `"$SCRIPTNAME [OPTIONS]"`
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##### `.version`
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##### `<parser>.version`
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Version number.
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<spec>.usage = <string> | <function> | undefined
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@ -507,7 +508,7 @@ If this is not defined `-version` will print `"0.0.0"`.
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Default value: `undefined`
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##### `.license`
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##### `<parser>.license`
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Short license information.
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<spec>.usage = <string> | <function> | undefined
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@ -515,7 +516,7 @@ Short license information.
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Default value: `undefined`
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##### `.examples`
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##### `<parser>.examples`
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<spec>.usage = <string> | <list> | <function> | undefined
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@ -529,7 +530,7 @@ Example list format:
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Default value: `undefined`
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##### `.footer`
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##### `<parser>.footer`
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Aditional information.
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<spec>.footer = <string> | <function> | undefined
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@ -539,7 +540,7 @@ Default value: `undefined`
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##### More control over help...
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For more info on help formatting see `.help*` attributes in the [source](./argv.js).
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For more info on help formatting see `<parser>.help*` attributes in the [source](./argv.js).
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### Nested parsers
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@ -602,10 +603,10 @@ See [lang.js](./lang.js) for more fun with argv and programming languages ;)
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Values that if returned by option/command handlers can control the parse flow.
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- `THEN` – Stop parsing and call `.then(..)` callbacks.
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- `STOP` – Stop parsing and call `.stop(..)` callbacks,
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skipping `.then(..)`.
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- `ERROR` – Stop parsing, call `.error(..)` callbacks and
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- `THEN` – Stop parsing and call `<parser>.then(..)` callbacks.
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- `STOP` – Stop parsing and call `<parser>.stop(..)` callbacks,
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skipping `<parser>.then(..)`.
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- `ERROR` – Stop parsing, call `<parser>.error(..)` callbacks and
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exit with an error.
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### `Parser(..)`
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@ -618,7 +619,7 @@ Parser(<spec>)
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See [`<parser>(..)`](#parser-1) for more info.
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#### `.then(..)`
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#### `<parser>.then(..)`
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Add callback to `then` "event".
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```
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@ -634,7 +635,7 @@ callback(<unhandled>, <root-value>, <rest>)
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`then` is triggered when parsing is done or stopped from an option
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handler by returning `THEN`.
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#### `.stop(..)`
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#### `<parser>.stop(..)`
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Add callback to `stop` "event".
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```
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@ -649,7 +650,7 @@ callback(<arg>, <rest>)
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`stop` is triggered when a handler returns `STOP`.
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#### `.error(..)`
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#### `<parser>.error(..)`
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Add callback to `error` "event".
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```
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@ -665,7 +666,7 @@ callback(<reason>, <arg>, <rest>)
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`error` is triggered when a handler returns `ERROR`.
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#### `.off(..)`
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#### `<parser>.off(..)`
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Remove callback from "event".
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```
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@ -704,11 +705,11 @@ its head.
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## Advanced parser API
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### `.print(..)` / `.printError(..)`
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### `<parser>.print(..)` / `<parser>.printError(..)`
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Handle how `Parser(..)` prints things.
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Handle how `<parser>` prints things.
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`.print(..)` and `.printError(..)` are very similar but handle different
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`<parser>.print(..)` and `<parser>.printError(..)` are very similar but handle different
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cases, similar to `console.log(..)` and `console.error(..)`
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```
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<parser>.print(...)
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@ -727,20 +728,21 @@ Both support callback binding:
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-> <parser>
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```
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Both `.print(..)` and `.printError(..)` can safely be overloaded if the
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callback feature is not going to be used by the user – the print
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callbacks are not used internally.
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For full callback support see: `extra.afterCallback(..)` in [argv.js](./argv.js).
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Both `<parser>.print(..)` and `<parser>.printError(..)` can safely be
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overloaded if the callback feature is not going to be used by the user
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– the print callbacks are not used internally.
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For full callback API see: `extra.afterCallback(..)` in [argv.js](./argv.js).
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### `.handlerDefault(..)`
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### `<parser>.handlerDefault(..)`
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Called when `<option>.handler(..)` is not defined.
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By default this sets option values on the _parsed_ object.
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### `.handleArgumentValue(..)`
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### `<parser>.handleArgumentValue(..)`
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Handle argument value conversion.
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@ -749,7 +751,7 @@ By default this handles the `<option>.type` mechanics.
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If this is set to `false` values will be set as-is.
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### `.handleErrorExit(..)`
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### `<parser>.handleErrorExit(..)`
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Handle exit on error.
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1
argv.js
1
argv.js
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// +help -> this['+help'](..)
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//
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//
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// XXX add support for ParserError exception handling...
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// XXX should -help should work for any command? ..not just nested parsers?
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// ...should we indicate which thinks have more "-help"??
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// XXX might be a good idea to use exceptions for ERROR...
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