Gregorio Litenstein
0dd7b0be76
Fix crash caused by forcedly unwrapping some optionals when printing the results of a command.
107 lines
3.8 KiB
Swift
107 lines
3.8 KiB
Swift
/*
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* ----------------------------------------------------------------------------
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* "THE BEER-WARE LICENSE" (Revision 42):
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* <g.litenstein@gmail.com> wrote this file. As long as you retain this notice you
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* can do whatever you want with this stuff. If we meet some day, and you think
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* this stuff is worth it, you can buy me a beer in return., Gregorio Litenstein.
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* ----------------------------------------------------------------------------
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*/
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import Foundation
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import SwiftCLI
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class ReadCommand: OptionCommand {
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let name = "getHandler"
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let signature = ""
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let shortDescription = "Returns the default application registered for the URI Scheme or <subtype> you specify."
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private var kind: String = ""
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private var getAll = false;
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private var contentType: String? = nil
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private var handler: String? = nil
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private var roles: Dictionary = ["editor":LSRolesMask.editor,"viewer":LSRolesMask.viewer,"shell":LSRolesMask.shell,"all":LSRolesMask.all]
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private var role: LSRolesMask = LSRolesMask.all
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func setupOptions(options: OptionRegistry) {
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options.addGroup(name:"type", required:true, conflicting:true)
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options.add(keys: ["--UTI"], usage: "Return the default application for <subtype>", valueSignature: "subtype", group:"type") { [unowned self] (value) in
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self.contentType = value
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self.kind = "UTI"
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}
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options.add(keys: ["--URL"], usage: "Return the default application for <subtype>", valueSignature: "subtype", group:"type") { [unowned self] (value) in
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self.contentType = value
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self.kind = "URL"
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}
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options.add(flags: ["--internet", "--browser", "--web"], usage: "Returns the default web browser.", group:"type") {
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self.contentType = nil
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self.kind = "http"
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}
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options.add(flags: ["--mail", "--email", "--e-mail"], usage: "Returns the default e-mail client.", group:"type") {
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self.contentType = nil
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self.kind = "mailto"
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}
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options.add(flags: ["--ftp"], usage: "Returns the default FTP client.", group:"type") {
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self.contentType = nil
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self.kind = "ftp"
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}
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options.add(flags: ["--rss"], usage: "Returns the default RSS client.", group:"type") {
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self.contentType = nil
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self.kind = "RSS"
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}
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options.add(flags: ["--news"], usage: "Returns the default news client.", group:"type") {
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self.contentType = nil
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self.kind = "news"
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}
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options.add(flags: ["--all"], usage: "When this flag is added, a list of all applications registered for that content will printed.") {
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self.getAll = true
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}
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options.add(keys: ["--role"], usage: "--role <Viewer|Editor|Shell|All>, specifies the role with which to register the handler. Default is All.", valueSignature: "role") { [unowned self] (value) in
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if let temp = self.roles[value.lowercased()] {
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self.role = temp
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}
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else { self.role = [LSRolesMask.viewer,LSRolesMask.editor] }
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}
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}
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func execute(arguments: CommandArguments) throws {
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switch(kind,getAll) {
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case ("UTI",true),("URL",true):
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if let contentString = self.contentType {
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handler = copyStringArrayAsString( ((kind == "URL") ? LSWrappers.Schemes.copyAllHandlers(contentString) : LSWrappers.UTType.copyAllHandlers(contentString, inRoles: role)) )
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}
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break
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case ("UTI",false),("URL",false):
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if let contentString = self.contentType {
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handler = ((kind == "URL") ? LSWrappers.Schemes.copyDefaultHandler(contentString) : LSWrappers.UTType.copyDefaultHandler(contentString, inRoles: role))
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}
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break
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case ("http",Bool()),("mailto",Bool()),("ftp",Bool()),("rss",Bool()),("news",Bool()):
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handler = LSWrappers.Schemes.copyDefaultHandler(kind)
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break
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default:
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handler = nil
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break
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}
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let arg: String
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arg = self.contentType ?? "<subtype>"
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if (nil != handler) {
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print(handler!)
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} else { throw CLIError.error(("SwiftDefaultApps ERROR: An incompatible combination was used, or no application is registered to handle \(arg)")) }
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}
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}
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