mirror of
https://github.com/ish-app/ish.git
synced 2026-01-18 13:57:29 +00:00
106 lines
3.3 KiB
Objective-C
106 lines
3.3 KiB
Objective-C
//
|
|
// FileProviderEnumerator.m
|
|
// iSHFiles
|
|
//
|
|
// Created by Theodore Dubois on 9/20/18.
|
|
//
|
|
|
|
#import <MobileCoreServices/MobileCoreServices.h>
|
|
#include <dirent.h>
|
|
#import "FileProviderExtension.h"
|
|
#import "FileProviderEnumerator.h"
|
|
#import "FileProviderItem.h"
|
|
#import "NSError+ISHErrno.h"
|
|
#include "fs/fake-db.h"
|
|
|
|
@interface FileProviderEnumerator ()
|
|
|
|
@property FileProviderItem *item;
|
|
|
|
@end
|
|
|
|
@implementation FileProviderEnumerator
|
|
|
|
- (instancetype)initWithItem:(FileProviderItem *)item {
|
|
if (self = [super init]) {
|
|
self.item = item;
|
|
}
|
|
return self;
|
|
}
|
|
|
|
- (void)enumerateItemsForObserver:(id<NSFileProviderEnumerationObserver>)observer startingAtPage:(NSFileProviderPage)page {
|
|
NSLog(@"enumeration start %@", self.item.itemIdentifier);
|
|
// if we're asked to enumerate the working set
|
|
if (self.item == nil) {
|
|
[observer finishEnumeratingUpToPage:page];
|
|
return;
|
|
}
|
|
// if we're asked to enumerate a file
|
|
if (![self.item.typeIdentifier isEqualToString:(NSString *) kUTTypeFolder]) {
|
|
NSLog(@"not enumerating a file (%@)", self.item.typeIdentifier);
|
|
[observer finishEnumeratingUpToPage:page];
|
|
return;
|
|
}
|
|
|
|
NSError *error;
|
|
int fd = [self.item openNewFDWithError:&error];
|
|
if (fd == -1) {
|
|
[observer finishEnumeratingWithError:error];
|
|
return;
|
|
}
|
|
DIR *dir = fdopendir(fd);
|
|
NSMutableArray<FileProviderItem *> *items = [NSMutableArray new];
|
|
struct dirent *dirent;
|
|
errno = 0;
|
|
while ((dirent = readdir(dir))) {
|
|
if (strcmp(dirent->d_name, ".") == 0 || strcmp(dirent->d_name, "..") == 0)
|
|
continue;
|
|
|
|
// this is annoying
|
|
NSString *path = _item.path;
|
|
NSString *childIdent;
|
|
if (strcmp(dirent->d_name, "..") == 0) {
|
|
childIdent = _item.parentItemIdentifier;
|
|
} else if (strcmp(dirent->d_name, ".") != 0) {
|
|
db_begin(&_item.mount->db);
|
|
inode_t inode = path_get_inode(&_item.mount->db, [path stringByAppendingFormat:@"/%@", [NSString stringWithUTF8String:dirent->d_name]].fileSystemRepresentation);
|
|
NSAssert(inode != 0, @"");
|
|
db_commit(&_item.mount->db);
|
|
childIdent = [NSString stringWithFormat:@"%lu", (unsigned long) inode];
|
|
}
|
|
|
|
NSLog(@"returning %s %@", dirent->d_name, childIdent);
|
|
FileProviderItem *item = [[FileProviderItem alloc] initWithIdentifier:childIdent mount:_item.mount error:&error];
|
|
if (item == nil) {
|
|
[observer finishEnumeratingWithError:error];
|
|
closedir(dir);
|
|
return;
|
|
}
|
|
[items addObject:item];
|
|
errno = 0;
|
|
}
|
|
if (errno != 0) {
|
|
NSError *error = [NSError errorWithDomain:NSPOSIXErrorDomain code:errno userInfo:nil];
|
|
NSLog(@"readdir returned %@", error);
|
|
[observer finishEnumeratingWithError:error];
|
|
closedir(dir);
|
|
return;
|
|
}
|
|
|
|
closedir(dir);
|
|
NSLog(@"returning %@", items);
|
|
[observer didEnumerateItems:items];
|
|
[observer finishEnumeratingUpToPage:nil];
|
|
}
|
|
|
|
- (void)enumerateChangesForObserver:(id<NSFileProviderChangeObserver>)observer fromSyncAnchor:(NSFileProviderSyncAnchor)anchor {
|
|
NSLog(@"saying no file changes");
|
|
// TODO implement by having the sync anchor be a serialized list of files
|
|
[observer finishEnumeratingChangesUpToSyncAnchor:anchor moreComing:NO];
|
|
}
|
|
|
|
- (void)invalidate {
|
|
}
|
|
|
|
@end
|