X-Git-Url: https://git.r.bdr.sh/rbdr/lyricli/blobdiff_plain/47f1de79ed1d0007dbba84dc3d511528c7fed3f0..4c5df35e2af0d6c048e9b366d50ef740cfe0a728:/Sources/main.swift?ds=sidebyside diff --git a/Sources/main.swift b/Sources/main.swift index 42d4855..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] = [:] @@ -25,7 +58,7 @@ func createParser() -> ([String:Option], CommandLineKit) { var formattedString: String - switch(type) { + switch type { case .About: formattedString = "\(parseString) [ ]" break @@ -39,71 +72,80 @@ func createParser() -> ([String:Option], CommandLineKit) { return (flags, parser) } -func main() { +// Handle the Help flag - let (flags, parser) = createParser() - - do { - try parser.parse() - } - catch { - parser.printUsage(error) - exit(EX_USAGE) - } - - if let helpFlag = flags["help"] as? BoolOption { - if helpFlag.value == true { +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 - if let versionFlag = flags["version"] as? BoolOption { - if versionFlag.value == true { +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 - if let listSourcesFlag = flags["listSources"] as? BoolOption { - if listSourcesFlag.value == true { +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 - if let enableSourceFlag = flags["enableSource"] as? StringOption { +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 - if let disableSourceFlag = flags["disableSource"] as? StringOption { +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 - if let resetSourceFlag = flags["resetSource"] as? StringOption { +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.showTitle = true - } - } - - // 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()