examples/iOS/xdelta3-ios-test/xdelta3-ios-test/Xd3iOSViewController.m

   1 //
   2 //  Xd3iOSViewController.m
   3 //  xdelta3-ios-test
   4 //
   5 //  Created by Joshua MacDonald on 6/16/12.
   6 //  Copyright (c) 2011, 2012 Joshua MacDonald. All rights reserved.
   7 //
   8
   9 #import "Xd3iOSViewController.h"
  10 #include "xdelta3.h"
  11 #include "dispatch/queue.h"
  12 #include "Foundation/NSBundle.h"
  13
  14 extern void (*xprintf_message_func)(const char* msg);
  15 void print_to_view(const char* buf);
  16 int xd3_main_cmdline(int argc, char **argv);
  17 void do_localfile_test(void);
  18 int compare_files(const char* file1, const char* file2);
  19 Xd3iOSViewController *static_ptr;
  20
  21 @implementation Xd3iOSViewController
  22 @synthesize theSeed = _theSeed;
  23 @synthesize theView = _theView;
  24 @synthesize theOutput = _theOutput;
  25 @synthesize inTest = _inTest;
  26
  27 - (void)didReceiveMemoryWarning
  28 {
  29     [super didReceiveMemoryWarning];
  30 }
  31
  32 #pragma mark - View lifecycle
  33
  34 - (void)viewDidLoad
  35 {
  36     [super viewDidLoad];
  37 }
  38
  39 - (void)viewDidUnload
  40 {
  41     [self setTheSeed:nil];
  42     [self setTheView:nil];
  43     [self setTheView:nil];
  44     [super viewDidUnload];
  45 }
  46
  47 - (void)viewWillAppear:(BOOL)animated
  48 {
  49     [super viewWillAppear:animated];
  50 }
  51
  52 - (void)viewDidAppear:(BOOL)animated
  53 {
  54     [super viewDidAppear:animated];
  55 }
  56
  57 - (void)viewWillDisappear:(BOOL)animated
  58 {
  59         [super viewWillDisappear:animated];
  60 }
  61
  62 - (void)viewDidDisappear:(BOOL)animated
  63 {
  64         [super viewDidDisappear:animated];
  65 }
  66
  67 - (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation
  68 {
  69     switch (interfaceOrientation) {
  70         case UIInterfaceOrientationPortrait:
  71         case UIInterfaceOrientationPortraitUpsideDown:
  72             return YES;
  73         default:
  74             break;
  75     }
  76     return NO;
  77 }
  78 - (BOOL)textFieldShouldReturn:(UITextField*)theTextField {
  79     if (theTextField == self.theSeed) {
  80         [theTextField resignFirstResponder];
  81     }
  82     return YES;
  83 }
  84 - (IBAction)startTest:(id)sender {
  85     if (self.inTest) {
  86         return;
  87     }
  88     self.inTest = YES;
  89     NSString *seedString = self.theSeed.text;
  90     if ([seedString length] == 0) {
  91         seedString = @"RFC3284";
  92     }
  93     static_ptr = self;
  94     xprintf_message_func = &print_to_view;
  95     self.theOutput = [[NSMutableString alloc] initWithFormat:@"Starting test (seed=%@)\n", seedString];
  96     self.theView.text = self.theOutput;
  97     dispatch_queue_t mq = dispatch_get_main_queue();
  98     dispatch_queue_t dq = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0);
  99     dispatch_async(dq, ^{
 100         do_localfile_test();
 101         char *argv[] = { "xdelta3", "test", NULL };
 102         xd3_main_cmdline(2, argv);
 103         print_to_view("Finished unittest: success");
 104         dispatch_async(mq, ^{
 105             self.inTest = NO;
 106         });
 107     });
 108 }
 109
 110 void printns_to_view(NSString* ns);
 111 void printns_to_view(NSString* ns) {
 112     dispatch_queue_t mq = dispatch_get_main_queue();
 113     dispatch_async(mq, ^{
 114         if ([static_ptr.theOutput length] < 25000) {
 115             [static_ptr.theOutput appendString:ns];
 116         } else {
 117             static_ptr.theOutput = [[NSMutableString alloc] initWithString:ns];
 118         }
 119         static_ptr.theView.text = static_ptr.theOutput;
 120         CGSize size = static_ptr.theView.contentSize;
 121         [static_ptr.theView scrollRectToVisible:CGRectMake(0, size.height - 1, 1, 1) animated:NO];
 122     });
 123 }
 124
 125 void print_to_view(const char* buf) {
 126     NSString *ns = [NSString stringWithCString:buf encoding:NSASCIIStringEncoding];
 127     printns_to_view(ns);
 128 }
 129
 130 void do_localfile_test(void) {
 131     NSBundle *bundle;
 132     bundle = [NSBundle mainBundle];
 133     NSString *localfile1 = [bundle pathForResource:@"file_v1" ofType:@"bin"];
 134     NSString *localfile2 = [bundle pathForResource:@"file_v2" ofType:@"bin"];
 135     NSString *localfiled = [bundle pathForResource:@"file_v1_to_v2" ofType:@"bin"];
 136     printns_to_view([localfile1 stringByAppendingString:@"\n"]);
 137     printns_to_view([localfile2 stringByAppendingString:@"\n"]);
 138     printns_to_view([localfiled stringByAppendingString:@"\n"]);
 139     NSString *tmpdir = NSTemporaryDirectory();
 140     NSString *tmpfile = [tmpdir stringByAppendingPathComponent:@"delta.tmp"];
 141     printns_to_view([tmpfile stringByAppendingString:@"\n"]);
 142     char *argv[] = {
 143         "xdelta3", "-dfvv", "-s",
 144         (char*)[localfile1 UTF8String],
 145         (char*)[localfiled UTF8String],
 146         (char*)[tmpfile UTF8String] };
 147     xd3_main_cmdline(6, argv);
 148
 149     NSFileManager *filemgr;
 150
 151     filemgr = [NSFileManager defaultManager];
 152
 153     if ([filemgr contentsEqualAtPath: localfile2 andPath: tmpfile] == YES) {
 154         printns_to_view(@"File contents match\n");
 155     } else {
 156         NSError *err1 = NULL;
 157         NSDictionary *d1 = [filemgr attributesOfItemAtPath: tmpfile error: &err1];
 158         if (err1 != NULL) {
 159             printns_to_view([@"File localfile2 could not stat %s\n" stringByAppendingString: tmpfile]);
 160         } else {
 161             printns_to_view([@"File contents do not match!!!! tmpfile size=" stringByAppendingString:
 162                              [[NSMutableString alloc] initWithFormat:@"%llu\n", [d1 fileSize]]]);
 163         }
 164         compare_files([localfile2 UTF8String], [tmpfile UTF8String]);
 165     }
 166     print_to_view("Finished localfile test.\n");
 167 }
 168
 169 @end