mirror of https://github.com/ksherlock/ample.git
163 lines
3.7 KiB
Objective-C
163 lines
3.7 KiB
Objective-C
//
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// LogWindowController.m
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// MA2ME
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//
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// Created by Kelvin Sherlock on 8/29/2020.
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// Copyright © 2020 Kelvin Sherlock. All rights reserved.
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//
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#import "LogWindowController.h"
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static NSMutableSet *LogWindows;
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@interface LogWindowController ()
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@property (unsafe_unretained) IBOutlet NSTextView *textView;
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@end
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@implementation LogWindowController {
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NSTask *_task;
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NSFileHandle *_handle;
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}
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+(void)initialize {
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LogWindows = [NSMutableSet set];
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}
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-(NSString *)windowNibName {
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return @"LogWindow";
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}
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+(id)controllerForTask: (NSTask *)task {
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LogWindowController *controller = [[LogWindowController alloc] initWithWindowNibName: @"LogWindow"];
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[controller runTask: task];
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return controller;
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}
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- (void)windowDidLoad {
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[super windowDidLoad];
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[LogWindows addObject: self];
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// Implement this method to handle any initialization after your window controller's window has been loaded from its nib file.
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}
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-(void)appendString: (NSString *)string
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{
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if ([string length])
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{
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[[[_textView textStorage] mutableString] appendString: string];
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}
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}
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-(NSError *)runTask: (NSTask *)task {
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if (_task) return nil;
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NSError *error = nil;
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NSPipe *pipe = [NSPipe pipe];
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[task setStandardError: pipe];
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[task setStandardOutput: pipe];
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[task launchAndReturnError: &error];
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if (error) {
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NSLog(@"launchAction: %@", error);
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[self appendString: [error description]];
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return error;
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}
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_task = task;
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NSString *title = [NSString stringWithFormat: @"Log Window - %u", [task processIdentifier]];
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[[self window] setTitle: title];
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_handle = [pipe fileHandleForReading];
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NSNotificationCenter *nc = [NSNotificationCenter defaultCenter];
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[nc addObserver: self
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selector: @selector(taskComplete:)
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name: NSTaskDidTerminateNotification
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object: _task];
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[nc addObserver: self
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selector: @selector(readComplete:)
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name: NSFileHandleReadCompletionNotification
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object: _handle];
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[_handle readInBackgroundAndNotify];
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[[self window] setDocumentEdited: YES];
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return nil;
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}
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#pragma mark -
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#pragma mark Notifications
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-(void)readComplete:(NSNotification *)notification
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{
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// read complete, queue up another.
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NSDictionary *dict = [notification userInfo];
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NSData *data = [dict objectForKey: NSFileHandleNotificationDataItem];
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if ([data length])
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{
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NSString *string = [[NSString alloc] initWithData: data encoding: NSUTF8StringEncoding];
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[self appendString: string];
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[_handle readInBackgroundAndNotify];
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}
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}
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-(void)taskComplete: (NSNotification *)notification
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{
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BOOL ok = NO;
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NSTaskTerminationReason reason;
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int status;
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NSString *string = nil;
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reason = [_task terminationReason];
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status = [_task terminationStatus];
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if (reason == NSTaskTerminationReasonExit)
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{
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if (status == 0)
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{
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string = @"\n\n[Success]\n\n";
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ok = YES;
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}
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else string = @"\n\n[An error occurred]\n\n";
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}
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else
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{
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string = @"\n\n[Caught signal]\n\n";
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}
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[self appendString: string];
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_handle = nil;
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_task = nil;
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[[self window] setDocumentEdited: NO];
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if (ok && [[NSUserDefaults standardUserDefaults] boolForKey: @"AutoCloseLogWindow"]) {
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[[self window] close];
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//[LogWindows removeObject: self]; // close sends WindowWillClose notification.
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}
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}
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#pragma mark - NSWindowDelegate
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-(void)windowWillClose:(NSNotification *)notification {
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[LogWindows removeObject: self];
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}
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@end
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