79 lines
2.9 KiB
Mathematica
79 lines
2.9 KiB
Mathematica
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#import <EXFileSystem/EXFileSystemLocalFileHandler.h>
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@implementation EXFileSystemLocalFileHandler
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+ (void)getInfoForFile:(NSURL *)fileUri
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withOptions:(NSDictionary *)options
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resolver:(UMPromiseResolveBlock)resolve
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rejecter:(UMPromiseRejectBlock)reject
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{
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NSString *path = fileUri.path;
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BOOL isDirectory;
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if ([[NSFileManager defaultManager] fileExistsAtPath:path isDirectory:&isDirectory]) {
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NSDictionary *attributes = [[NSFileManager defaultManager] attributesOfItemAtPath:path error:nil];
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NSMutableDictionary *result = [NSMutableDictionary dictionary];
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result[@"exists"] = @(YES);
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result[@"isDirectory"] = @(isDirectory);
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result[@"uri"] = [NSURL fileURLWithPath:path].absoluteString;
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if (options[@"md5"]) {
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result[@"md5"] = [[NSData dataWithContentsOfFile:path] md5String];
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}
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result[@"size"] = @([EXFileSystemLocalFileHandler getFileSize:path attributes:attributes]);
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result[@"modificationTime"] = @(attributes.fileModificationDate.timeIntervalSince1970);
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resolve(result);
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} else {
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resolve(@{@"exists": @(NO), @"isDirectory": @(NO)});
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}
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}
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+ (unsigned long long)getFileSize:(NSString *)path attributes:(NSDictionary<NSFileAttributeKey, id> *)attributes
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{
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if (attributes.fileType != NSFileTypeDirectory) {
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return attributes.fileSize;
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}
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// The path is pointing to the folder
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NSArray *contents = [[NSFileManager defaultManager] contentsOfDirectoryAtPath:path error:nil];
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NSEnumerator *contentsEnumurator = [contents objectEnumerator];
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NSString *file;
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unsigned long long folderSize = 0;
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while (file = [contentsEnumurator nextObject]) {
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NSString *filePath = [path stringByAppendingPathComponent:file];
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NSDictionary *fileAttributes = [[NSFileManager defaultManager] attributesOfItemAtPath:filePath error:nil];
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folderSize += [EXFileSystemLocalFileHandler getFileSize:filePath attributes:fileAttributes];
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}
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return folderSize;
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}
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+ (void)copyFrom:(NSURL *)from
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to:(NSURL *)to
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resolver:(UMPromiseResolveBlock)resolve
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rejecter:(UMPromiseRejectBlock)reject
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{
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NSString *fromPath = [from.path stringByStandardizingPath];
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NSString *toPath = [to.path stringByStandardizingPath];
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NSError *error;
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if ([[NSFileManager defaultManager] fileExistsAtPath:toPath]) {
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if (![[NSFileManager defaultManager] removeItemAtPath:toPath error:&error]) {
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reject(@"E_FILE_NOT_COPIED",
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[NSString stringWithFormat:@"File '%@' could not be copied to '%@' because a file already exists at "
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"the destination and could not be deleted.", from, to],
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error);
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return;
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}
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}
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if ([[NSFileManager defaultManager] copyItemAtPath:fromPath toPath:toPath error:&error]) {
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resolve(nil);
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} else {
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reject(@"E_FILE_NOT_COPIED",
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[NSString stringWithFormat:@"File '%@' could not be copied to '%@'.", from, to],
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error);
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}
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}
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@end
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