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
-func createParser() -> ([String:Option], CommandLineKit) {
-
+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) [<artist_name> <song_name>]"
+ break
+ default:
+ formattedString = parseString
+ }
+
+ return parser.defaultFormat(formattedString, type: type)
+ }
+
return (flags, parser)
}
-func main() {
+// Handle the Help flag
- let (flags, parser) = createParser()
+private func checkHelpFlag(_ flag: Option?, withParser parser: CommandLineKit) {
+ if let helpFlag = flag as? BoolOption {
+ if helpFlag.value {
+ parser.printUsage()
+ exit(0)
+ }
+ }
+}
- do {
- try parser.parse()
+// 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)
+ }
}
- catch {
- parser.printUsage(error)
- exit(EX_USAGE)
+}
+
+// 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 helpFlag = flags["help"] as? BoolOption {
- if helpFlag.value == true {
- parser.printUsage()
- exit(0)
- }
+// 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
- if let versionFlag = flags["version"] as? BoolOption {
- if versionFlag.value == true {
- print(Lyricli.version)
- exit(0)
- }
+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()