151 lines
4.1 KiB
Plaintext
151 lines
4.1 KiB
Plaintext
// This file Copyright © 2008-2022 Transmission authors and contributors.
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// It may be used under the MIT (SPDX: MIT) license.
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// License text can be found in the licenses/ folder.
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#import "FileListNode.h"
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@interface FileListNode ()
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@property(nonatomic, readonly) NSMutableIndexSet* indexesInternal;
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@property(nonatomic) NSImage* iconInternal;
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- (instancetype)initWithFolder:(BOOL)isFolder name:(NSString*)name path:(NSString*)path torrent:(Torrent*)torrent;
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@end
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@implementation FileListNode
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- (instancetype)initWithFolderName:(NSString*)name path:(NSString*)path torrent:(Torrent*)torrent
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{
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if ((self = [self initWithFolder:YES name:name path:path torrent:torrent]))
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{
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_children = [[NSMutableArray alloc] init];
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_size = 0;
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}
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return self;
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}
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- (instancetype)initWithFileName:(NSString*)name
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path:(NSString*)path
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size:(uint64_t)size
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index:(NSUInteger)index
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torrent:(Torrent*)torrent
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{
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if ((self = [self initWithFolder:NO name:name path:path torrent:torrent]))
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{
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_size = size;
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[_indexesInternal addIndex:index];
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}
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return self;
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}
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- (void)insertChild:(FileListNode*)child
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{
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NSAssert(_isFolder, @"method can only be invoked on folders");
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[_children addObject:child];
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}
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- (void)insertIndex:(NSUInteger)index withSize:(uint64_t)size
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{
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NSAssert(_isFolder, @"method can only be invoked on folders");
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[self.indexesInternal addIndex:index];
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_size += size;
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}
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- (id)copyWithZone:(NSZone*)zone
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{
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//this object is essentially immutable after initial setup
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return self;
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}
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- (NSString*)description
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{
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if (!_isFolder)
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{
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return [NSString stringWithFormat:@"%@ (%ld)", _name, _indexesInternal.firstIndex];
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}
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else
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{
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return [NSString stringWithFormat:@"%@ (folder: %@)", _name, _indexesInternal];
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}
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}
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- (NSImage*)icon
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{
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if (!_iconInternal)
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{
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_iconInternal = [NSWorkspace.sharedWorkspace
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iconForFileType:_isFolder ? NSFileTypeForHFSTypeCode(kGenericFolderIcon) : _name.pathExtension];
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}
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return _iconInternal;
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}
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- (NSIndexSet*)indexes
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{
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return _indexesInternal;
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}
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- (BOOL)updateFromOldName:(NSString*)oldName toNewName:(NSString*)newName inPath:(NSString*)path
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{
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NSParameterAssert(oldName != nil);
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NSParameterAssert(newName != nil);
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NSParameterAssert(path != nil);
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NSArray* lookupPathComponents = path.pathComponents;
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NSArray* thesePathComponents = self.path.pathComponents;
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if ([lookupPathComponents isEqualToArray:thesePathComponents]) //this node represents what's being renamed
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{
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if ([oldName isEqualToString:self.name])
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{
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_name = [newName copy];
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_iconInternal = nil;
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return YES;
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}
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}
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else if (lookupPathComponents.count < thesePathComponents.count) //what's being renamed is part of this node's path
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{
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lookupPathComponents = [lookupPathComponents arrayByAddingObject:oldName];
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BOOL const allSame = NSNotFound ==
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[lookupPathComponents indexOfObjectWithOptions:NSEnumerationConcurrent
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passingTest:^BOOL(NSString* name, NSUInteger idx, BOOL* stop) {
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return ![name isEqualToString:thesePathComponents[idx]];
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}];
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if (allSame)
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{
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NSString* oldPathPrefix = [path stringByAppendingPathComponent:oldName];
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NSString* newPathPrefix = [path stringByAppendingPathComponent:newName];
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_path = [_path stringByReplacingCharactersInRange:NSMakeRange(0, oldPathPrefix.length) withString:newPathPrefix];
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return YES;
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}
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}
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return NO;
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}
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#pragma mark - Private
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- (instancetype)initWithFolder:(BOOL)isFolder name:(NSString*)name path:(NSString*)path torrent:(Torrent*)torrent
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{
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if ((self = [super init]))
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{
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_isFolder = isFolder;
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_name = [name copy];
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_path = [path copy];
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_indexesInternal = [[NSMutableIndexSet alloc] init];
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_torrent = torrent;
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}
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return self;
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}
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@end
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