152 lines
5.2 KiB
Objective-C
152 lines
5.2 KiB
Objective-C
//
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// QuietUnrarAppDelegate.m
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// QuietUnrar
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//
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// Created by Robert McGovern on 2009/09/06.
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// Copyright 2009 Tarasis. All rights reserved.
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//
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#import <Carbon/Carbon.h>
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#import "QuietUnrarAppDelegate.h"
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#import "libunrar/dll.hpp"
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int changeVolume(char * volumeName, int mode);
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int callbackFunction(UINT message, LPARAM userData, LPARAM parameterOne, LPARAM parameterTwo);
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int changeVolume(char * volumeName, int mode) {
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NSLog(@"Volume Name: %s and mode %d", volumeName, mode);
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}
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int callbackFunction(UINT message, LPARAM userData, LPARAM parameterOne, LPARAM parameterTwo) {
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NSLog(@"Callback Function, args: %d, %D, %D, %D", message, userData, parameterOne, parameterTwo);
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}
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@implementation QuietUnrarAppDelegate
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@synthesize window;
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- (void) applicationWillFinishLaunching:(NSNotification *)notification {
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KeyMap map;
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GetKeys(map);
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NSLog(@"Shift or Right Shift: %d", KEYMAP_GET(map, kVKC_Shift) || KEYMAP_GET(map, kVKC_rShift));
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}
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- (void)applicationDidFinishLaunching:(NSNotification *)aNotification {
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// Having extracted our file or not, quit. Though should not if error is displayed.
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[[NSApplication sharedApplication] terminate:self];
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}
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//- (BOOL)application:(id)sender openFileWithoutUI:(NSString *)filename {
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// NSLog(@"openFileWithoutUI with file: %@", filename);
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// return YES;
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//}
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- (BOOL)application:(NSApplication *)theApplication openFile:(NSString *)filename {
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NSLog(@"openFile: %@", filename);
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return [self extractRarWith:filename];
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}
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//- (void)application:(NSApplication *)sender openFiles:(NSArray *)filenames {
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// for (NSString * filename in filenames) {
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// NSLog(@"openFiles: %@", filename);
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// }
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//
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// // If we get passed files don't open the UI
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// [sender replyToOpenOrPrint:NSApplicationDelegateReplySuccess];
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//}
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- (BOOL) extractRarWith:(NSString *) filename {
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char commentBuffer[BUF_LEN];
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BOOL extractionSuccessful = YES;
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//Determine the folder we should extract the archive to. This by default
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//is the <folderContainingTheArchive>/<archiveNameWithPathExtension>
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NSString * defaultFolderToExtractTo = [filename stringByDeletingPathExtension];
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char * filenameCString = (char *)[filename cStringUsingEncoding:NSISOLatin1StringEncoding];
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// Open the Archive for extraction, we set the open result to 3 so we can see it has changed
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struct RAROpenArchiveData arcData = { filenameCString, RAR_OM_EXTRACT, 3, &commentBuffer[0], BUF_LEN, 0, 0};
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HANDLE archive = RAROpenArchive(&arcData);
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NSLog(@"Opening Archive %s with result %d", filenameCString, arcData.OpenResult);
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// set call backs for if password needed or need to change volume
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//RARSetChangeVolProc(archive, &changeVolume);
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//RARSetCallback(archive, &callbackFunction, 0);
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//
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struct RARHeaderData headerData;
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NSString * lastExtractedFilename = @"";
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NSString * currentFilename;
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while (RARReadHeader(archive, &headerData) != ERAR_END_ARCHIVE) {
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NSLog(@"Attempting to extract %s to %@", headerData.FileName, defaultFolderToExtractTo);
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int processResult = 0;
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BOOL extractFile = YES;
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currentFilename = [NSString stringWithCString:(const char *) headerData.FileName encoding:NSISOLatin1StringEncoding];
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NSFileManager * fileManager = [NSFileManager defaultManager];
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if ([fileManager fileExistsAtPath:[NSString stringWithFormat:@"%@/%s", defaultFolderToExtractTo, headerData.FileName]] ) {
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// If we have already processed the file once and the user has told us to skip
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// don't ask them again, even though we've changed volumes. Otherwise
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// ask the user what to do.
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if ([lastExtractedFilename isEqualToString:currentFilename] || ![self shouldFileBeReplaced:currentFilename]) {
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extractFile = NO;
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}
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}
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// NSLog(@"Last filename %@, currentFilename %@, equality %d", lastExtractedFilename, currentFilename, [lastExtractedFilename isEqualToString:currentFilename]);
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if (extractFile) {
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NSLog(@"...Extracting");
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processResult = RARProcessFile(archive, RAR_EXTRACT, (char *) [defaultFolderToExtractTo cStringUsingEncoding:NSISOLatin1StringEncoding], NULL);
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} else {
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NSLog(@"...Skipping as already exists");
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processResult = RARProcessFile(archive, RAR_SKIP, NULL, NULL);
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// Curious behavior by the lib, you have SKIP a file number of times (4 in my test example) before
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// it is skipped. However if you extract it is only processed once.
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}
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if (processResult != 0) {
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NSLog(@"Error: Process Result was %d", processResult);
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extractionSuccessful = NO;
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break;
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// DISPLAY ERROR DIALOG, ALERT THE USER
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}
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lastExtractedFilename = currentFilename;
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}
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int closeResult = RARCloseArchive(archive);
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NSLog(@"Closing Archive %s with result %d", filenameCString, closeResult);
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return extractionSuccessful;
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}
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- (BOOL) shouldFileBeReplaced:(NSString *) filename {
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BOOL result = NO;
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NSAlert *alert = [[NSAlert alloc] init];
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[alert addButtonWithTitle:@"Overwrite"];
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[alert addButtonWithTitle:@"Skip"];
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[alert setMessageText:[NSString stringWithFormat:@"Overwrite %@?", filename]];
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[alert setInformativeText:[NSString stringWithFormat:@"The file already exists. Do you wish to extract it again, overwriting the original file?", filename]];
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[alert setAlertStyle:NSWarningAlertStyle];
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if ([alert runModal] == NSAlertFirstButtonReturn) {
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result = YES;
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}
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[alert release];
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return result;
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}
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@end
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