63 lines
2.0 KiB
Swift
63 lines
2.0 KiB
Swift
// The Swift Programming Language
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// https://docs.swift.org/swift-book
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//
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// Swift Argument Parser
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// https://swiftpackageindex.com/apple/swift-argument-parser/documentation
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import ArgumentParser
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import Foundation
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@main
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struct phbar: ParsableCommand {
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static let configuration = CommandConfiguration(
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commandName: "phbar",
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abstract: "Modular status bar for macOS.",
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discussion: """
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pmenu reads a list of newline-separated items from stdin and presents them to the user.
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When the user selects an item and presses Return, their choice is printed to stdout and pmenu terminates.
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Entering text will narrow the items to those matching the tokens in the input.
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""",
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version: "1.0.0",
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subcommands: [start.self]
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)
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}
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extension phbar {
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struct Error: LocalizedError {
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let message: String
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let underlyingError: Swift.Error?
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init(_ message: String, underlyingError: Swift.Error? = nil) {
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self.message = message
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self.underlyingError = underlyingError
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}
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var errorDescription: String? {
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guard let underlyingError else { return message }
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if let decodingError = underlyingError as? DecodingError {
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return "\(message): \(Self.describe(decodingError))"
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}
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return "\(message): \(underlyingError.localizedDescription)"
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}
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private static func describe(_ error: DecodingError) -> String {
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switch error {
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case .keyNotFound(let key, let context):
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let path = context.codingPath.map(\.stringValue).joined(separator: ".")
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return "missing key '\(key.stringValue)' at \(path.isEmpty ? "root" : path)"
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case .typeMismatch(let type, let context):
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let path = context.codingPath.map(\.stringValue).joined(separator: ".")
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return "type mismatch for \(type) at \(path)"
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case .valueNotFound(let type, let context):
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let path = context.codingPath.map(\.stringValue).joined(separator: ".")
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return "missing value of type \(type) at \(path)"
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case .dataCorrupted(let context):
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return "corrupted data → \(context.debugDescription)"
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@unknown default:
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return error.localizedDescription
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}
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}
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}
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}
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