X-Git-Url: https://git.r.bdr.sh/rbdr/lyricli/blobdiff_plain/4425e9001e20e891dab7711644f83a1628788b47..4c5df35e2af0d6c048e9b366d50ef740cfe0a728:/Sources/main.swift?ds=inline diff --git a/Sources/main.swift b/Sources/main.swift index 0ae48bc..9d46e92 100644 --- a/Sources/main.swift +++ b/Sources/main.swift @@ -1,11 +1,44 @@ import CommandLineKit import Foundation +// Entry point of the application. This is the main executable +private 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 -func createParser() -> ([String:Option], CommandLineKit) { - +private func createParser() -> ([String:Option], CommandLineKit) { let parser = CommandLineKit() var flags: [String:Option] = [:] @@ -21,74 +54,98 @@ func createParser() -> ([String:Option], CommandLineKit) { parser.addOptions(Array(flags.values)) - return (flags, parser) -} + parser.formatOutput = {parseString, type in -func main() { + var formattedString: String - let (flags, parser) = createParser() + switch type { + case .About: + formattedString = "\(parseString) [ ]" + break + default: + formattedString = parseString + } - do { - try parser.parse() - } - catch { - parser.printUsage(error) - exit(EX_USAGE) + return parser.defaultFormat(formattedString, type: type) } - if let helpFlag = flags["help"] as? BoolOption { - if helpFlag.value == true { + 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) } } +} - if let versionFlag = flags["version"] as? BoolOption { - if versionFlag.value == true { +// 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) } } +} - if let listSourcesFlag = flags["listSources"] as? BoolOption { - if listSourcesFlag.value == true { +// 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 + } + } +} - if let enableSourceFlag = flags["enableSource"] as? StringOption { +// 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) } } +} - if let disableSourceFlag = flags["disableSource"] as? StringOption { +// 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) } } +} - if let resetSourceFlag = flags["resetSource"] as? StringOption { +// 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) } } - - if let titleFlag = flags["title"] as? BoolOption { - if titleFlag.value == true { - Lyricli.printTitle() - } - } - - // Remove any flags so anyone after this gets the unprocessed values - let programName: [String] = [CommandLine.arguments[0]] - CommandLine.arguments = programName + parser.unparsedArguments - - Lyricli.printLyrics() } main()