X-Git-Url: https://git.r.bdr.sh/rbdr/lyricli/blobdiff_plain/bcd37f402a2586d051ac10a6a4982c8c226b2cce..691c09f872dfd69d6e3df12ce0e1d2f0807b3937:/Sources/main.swift?ds=sidebyside diff --git a/Sources/main.swift b/Sources/main.swift index f7cf60e..5c39cb5 100644 --- a/Sources/main.swift +++ b/Sources/main.swift @@ -1 +1,150 @@ -print("Hello, world!") +import CommandLineKit +import Foundation + +func main() { + let (flags, parser) = createParser() + + do { + try parser.parse() + } catch { + parser.printUsage(error) + exit(EX_USAGE) + } + + // Boolean Options + + checkHelpFlag(flags["help"], withParser: parser) + checkVersionFlag(flags["version"], withParser: parser) + checkListSourcesFlag(flags["listSources"], withParser: parser) + checkTitleFlag(flags["title"], withParser: parser) + + // String Options + + checkEnableSourceFlag(flags["enableSource"], withParser: parser) + checkDisableSourceFlag(flags["disableSource"], withParser: parser) + checkResetSourceFlag(flags["resetSource"], withParser: parser) + + // Remove any flags so anyone after this gets the unprocessed values + + let programName: [String] = [CommandLine.arguments[0]] + CommandLine.arguments = programName + parser.unparsedArguments + + // Run Lyricli + + Lyricli.printLyrics() +} + +/// Sets up and returns a new options parser +/// +/// - Returns: A Dictionary of Options, and a new CommandLineKit instance +private func createParser() -> ([String:Option], CommandLineKit) { + let parser = CommandLineKit() + var flags: [String:Option] = [:] + + flags["help"] = BoolOption(shortFlag: "h", longFlag: "help", helpMessage: "Prints a help message.") + flags["version"] = BoolOption(shortFlag: "v", longFlag: "version", helpMessage: "Prints the version.") + + flags["enableSource"] = StringOption(shortFlag: "e", longFlag: "enable-source", helpMessage: "Enables a source") + flags["disableSource"] = StringOption(shortFlag: "d", longFlag: "disable-source", helpMessage: "Disables a source") + flags["resetSource"] = StringOption(shortFlag: "r", longFlag: "reset-source", helpMessage: "Resets a source") + flags["listSources"] = BoolOption(shortFlag: "l", longFlag: "list-sources", helpMessage: "Lists all sources") + + flags["title"] = BoolOption(shortFlag: "t", longFlag: "title", helpMessage: "Shows title of song if true") + + parser.addOptions(Array(flags.values)) + + parser.formatOutput = {parseString, type in + + var formattedString: String + + switch type { + case .About: + formattedString = "\(parseString) [ ]" + break + default: + formattedString = parseString + } + + return parser.defaultFormat(formattedString, type: type) + } + + return (flags, parser) +} + +// Handle the Help flag + +private func checkHelpFlag(_ flag: Option?, withParser parser: CommandLineKit) { + if let helpFlag = flag as? BoolOption { + if helpFlag.value { + parser.printUsage() + exit(0) + } + } +} + +// Handle the version flag + +private func checkVersionFlag(_ flag: Option?, withParser parser: CommandLineKit) { + if let versionFlag = flag as? BoolOption { + if versionFlag.value { + print(Lyricli.version) + exit(0) + } + } +} + +// Handle the list sources flag + +private func checkListSourcesFlag(_ flag: Option?, withParser parser: CommandLineKit) { + if let listSourcesFlag = flag as? BoolOption { + if listSourcesFlag.value { + Lyricli.printSources() + exit(0) + } + } +} + +// Handle the title flag + +private func checkTitleFlag(_ flag: Option?, withParser parser: CommandLineKit) { + if let titleFlag = flag as? BoolOption { + if titleFlag.value { + Lyricli.showTitle = true + } + } +} + +// Handle the enable source flag + +private func checkEnableSourceFlag(_ flag: Option?, withParser parser: CommandLineKit) { + if let enableSourceFlag = flag as? StringOption { + if let source = enableSourceFlag.value { + Lyricli.enableSource(source) + exit(0) + } + } +} + +// Handle the disable source flag + +private func checkDisableSourceFlag(_ flag: Option?, withParser parser: CommandLineKit) { + if let disableSourceFlag = flag as? StringOption { + if let source = disableSourceFlag.value { + Lyricli.disableSource(source) + exit(0) + } + } +} + +// Handle the reset source flag + +private func checkResetSourceFlag(_ flag: Option?, withParser parser: CommandLineKit) { + if let resetSourceFlag = flag as? StringOption { + if let source = resetSourceFlag.value { + Lyricli.resetSource(source) + exit(0) + } + } +} + +main()