class Imp::UnusedSel
Public Instance Methods
check_file_type(path)
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# File lib/objcthin.rb, line 57 def check_file_type(path) pathname = Pathname.new(path) unless pathname.exist? raise "#{path} not exit!" end cmd = "/usr/bin/file -b #{path}" output = `#{cmd}` unless output.include?('Mach-O') raise 'input file not mach-o file type' end puts Rainbow('will begin process...').green pathname end
find_impl_methods(path)
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# File lib/objcthin.rb, line 73 def find_impl_methods(path) apple_protocols = [ 'tableView:canEditRowAtIndexPath:', 'commitEditingStyle:forRowAtIndexPath:', 'tableView:viewForHeaderInSection:', 'tableView:cellForRowAtIndexPath:', 'tableView:canPerformAction:forRowAtIndexPath:withSender:', 'tableView:performAction:forRowAtIndexPath:withSender:', 'tableView:accessoryButtonTappedForRowWithIndexPath:', 'tableView:willDisplayCell:forRowAtIndexPath:', 'tableView:commitEditingStyle:forRowAtIndexPath:', 'tableView:didEndDisplayingCell:forRowAtIndexPath:', 'tableView:didEndDisplayingHeaderView:forSection:', 'tableView:heightForFooterInSection:', 'tableView:shouldHighlightRowAtIndexPath:', 'tableView:shouldShowMenuForRowAtIndexPath:', 'tableView:viewForFooterInSection:', 'tableView:willDisplayHeaderView:forSection:', 'tableView:willSelectRowAtIndexPath:', 'willMoveToSuperview:', 'scrollViewDidEndScrollingAnimation:', 'scrollViewDidZoom', 'scrollViewWillEndDragging:withVelocity:targetContentOffset:', 'searchBarTextDidEndEditing:', 'searchBar:selectedScopeButtonIndexDidChange:', 'shouldInvalidateLayoutForBoundsChange:', 'textFieldShouldReturn:', 'numberOfSectionsInTableView:', 'actionSheet:willDismissWithButtonIndex:', 'gestureRecognizer:shouldReceiveTouch:', 'gestureRecognizer:shouldRecognizeSimultaneouslyWithGestureRecognizer:', 'gestureRecognizer:shouldReceiveTouch:', 'imagePickerController:didFinishPickingMediaWithInfo:', 'imagePickerControllerDidCancel:', 'animateTransition:', 'animationControllerForDismissedController:', 'animationControllerForPresentedController:presentingController:sourceController:', 'navigationController:animationControllerForOperation:fromViewController:toViewController:', 'navigationController:interactionControllerForAnimationController:', 'alertView:didDismissWithButtonIndex:', 'URLSession:didBecomeInvalidWithError:', 'setDownloadTaskDidResumeBlock:', 'tabBarController:didSelectViewController:', 'tabBarController:shouldSelectViewController:', 'applicationDidReceiveMemoryWarning:', 'application:didRegisterForRemoteNotificationsWithDeviceToken:', 'application:didFailToRegisterForRemoteNotificationsWithError:', 'application:didReceiveRemoteNotification:fetchCompletionHandler:', 'application:didRegisterUserNotificationSettings:', 'application:performActionForShortcutItem:completionHandler:', 'application:continueUserActivity:restorationHandler:'].freeze # imp -[class sel] sub_patten = /[+|-]\[.+\s(.+)\]/ patten = /\s*imp\s*(#{sub_patten})/ sel_set_patten = /set[A-Z].*:$/ sel_get_patten = /is[A-Z].*/ output = `/usr/bin/otool -oV #{path}` imp = {} output.each_line do |line| patten.match(line) do |m| sub = sub_patten.match(m[0]) do |subm| class_and_sel = subm[0] sel = subm[1] next if sel.start_with?('.') next if apple_protocols.include?(sel) next if sel_set_patten.match?(sel) next if sel_get_patten.match?(sel) if imp.has_key?(sel) imp[sel] << class_and_sel else imp[sel] = [class_and_sel] end end end end imp.sort end
find_unused_sel(path, prefix)
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# File lib/objcthin.rb, line 33 def find_unused_sel(path, prefix) check_file_type(path) all_sels = find_impl_methods(path) used_sel = reference_selectors(path) unused_sel = [] all_sels.each do |sel,class_and_sels| unless used_sel.include?(sel) unused_sel += class_and_sels end end puts Rainbow('below selector is unused:').red if prefix unused_sel.select! do |classname_selector| current_prefix = classname_selector.byteslice(2, prefix.length) current_prefix == prefix end end puts unused_sel end
reference_selectors(path)
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# File lib/objcthin.rb, line 159 def reference_selectors(path) patten = /__TEXT:__objc_methname:(.+)/ output = `/usr/bin/otool -v -s __DATA __objc_selrefs #{path}` sels = [] output.each_line do |line| patten.match(line) do |m| sels << m[1] end end sels end