dimpiax/commandlinerouter

Library for easy and flexible manipulation with `CommandLine.arguments` in executable product of Swift Package Manager

CommandLineRouter


Description

Library for easy and flexible manipulation with CommandLine.arguments in executable product of Swift Package Manager

Usage

Run your executable product via SPM, and pass arguments $ .build/debug/Project -i input_file -o output_file

Result

Output:

read file input_file
write file output_file

Example

import CommandLineRouter

var router = CommandLineRouter()

// setup routes
router.setCommands(name: "Save file", commands:
    Command(shortName: "-i", name: "--input"),
    Command(shortName: "-o", name: "--output")
)

router.setCommands(name: "Export in folder", commands:
    Command(shortName: "-i", name: "--input"),
    Command(shortName: "-of", name: "--output-folder")
)

// process routing
do {
    try router.route(CommandLine.arguments) { flow in
        switch flow.name {
            case "Save file":
                let input = flow[0].argument
                let output = flow[1].argument

                print("read file \(argument)")
                print("write file \(argument)")

            default: break
        }
    }
} catch {
    print(error)
}