CommandRunner<T> class

A class for invoking Commands based on raw command-line arguments.

The type argument T represents the type returned by Command.run and CommandRunner.run; it can be ommitted if you're not using the return values.

Constructors

CommandRunner(String executableName, String description, {int usageLineLength})

Properties

argParser ArgParser
The top-level argument parser. [...]
read-only
commands Map<String, Command<T>>
An unmodifiable view of all top-level commands defined for this runner.
read-only
description String
A short description of this executable.
final
executableName String
The name of the executable being run. [...]
final
invocation String
A single-line template for how to invoke this executable. [...]
read-only
usage String
Generates a string displaying usage information for the executable. [...]
read-only
usageFooter String
An optional footer for usage. [...]
read-only
hashCode int
The hash code for this object. [...]
read-only, inherited
runtimeType Type
A representation of the runtime type of the object.
read-only, inherited

Methods

addCommand(Command<T> command) → void
Adds Command as a top-level command to this runner.
parse(Iterable<String> args) ArgResults
Parses args and returns the result, converting an ArgParserException to a UsageException. [...]
printUsage() → void
Prints the usage information for this runner. [...]
run(Iterable<String> args) Future<T>
Parses args and invokes Command.run on the chosen command. [...]
runCommand(ArgResults topLevelResults) Future<T>
Runs the command specified by topLevelResults. [...]
usageException(String message) → void
Throws a UsageException with message.
noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed. [...]
inherited
toString() String
Returns a string representation of this object.
inherited

Operators

operator ==(dynamic other) bool
The equality operator. [...]
inherited