Add reserve option

Author: lukescott

LSDocument.m

@@ -27,69 +27,6 @@ - (void)saveWithCompletionHandler:(void (^)(BOOL success))completionHandler
     [self saveToURL:self.fileURL forSaveOperation:UIDocumentSaveForOverwriting completionHandler:completionHandler];
 }
 
-- (BOOL)writePathFirst:(LSFileWrapper *)file
-     andAttributes:(NSDictionary *)additionalFileAttributes
-       safelyToURL:(NSURL *)url
-  forSaveOperation:(UIDocumentSaveOperation)saveOperation
-             error:(NSError *__autoreleasing *)outError
-{
-    return [file writeUpdatesToURL:url error:outError];
-}
-
-- (void)savePathFirst:(NSString *)path
-         firstHandler:(void (^)(BOOL success))firstHandler
-    completionHandler:(void (^)(BOOL success))completionHandler
-{
-    NSError *contentError;
-    NSURL *url = [self.fileURL copy];
-    LSFileWrapper *contents = [self contentsForType:self.fileType error:&contentError];
-    if(!contents) {
-        return;
-    }
-    
-    LSFileWrapper *file = [contents fileWrapperWithPath:path];
-    NSURL *firstURL = [url URLByAppendingPathComponent:path];
-    
-    [self performAsynchronousFileAccessUsingBlock:^{
-        NSFileCoordinator *fileCoordinator = [[NSFileCoordinator alloc] initWithFilePresenter:self];
-        
-        [fileCoordinator coordinateWritingItemAtURL:url
-                                            options:NSFileCoordinatorWritingForMerging
-                                              error:nil
-                                         byAccessor:
-         ^(NSURL *newURL) {
-             NSError *writeError;
-             BOOL wroteFirst, wroteAll;
-             
-             wroteFirst = [self writePathFirst:file
-                                 andAttributes:nil
-                                   safelyToURL:firstURL
-                              forSaveOperation:UIDocumentSaveForOverwriting
-                                         error:&writeError];
-             
-             if(firstHandler) {
-                 dispatch_async(dispatch_get_main_queue(), ^(void) {
-                     firstHandler(wroteFirst);
-                 });
-             }
-             
-             if(wroteFirst) {
-                wroteAll = [self writeContents:contents
-                                 andAttributes:nil
-                                   safelyToURL:url
-                              forSaveOperation:UIDocumentSaveForOverwriting
-                                         error:&writeError];
-             }
-             
-             if(completionHandler) {
-                 dispatch_async(dispatch_get_main_queue(), ^(void) {
-                     completionHandler(wroteAll);
-                 });
-             }
-         }];
-    }];
-}
-
 - (BOOL)readFromURL:(NSURL *)url error:(NSError *__autoreleasing *)outError
 {
     __block LSFileWrapper *wrapper = [[LSFileWrapper alloc] initWithURL:url isDirectory:NO];
@@ -99,7 +36,6 @@ - (BOOL)readFromURL:(NSURL *)url error:(NSError *__autoreleasing *)outError
                                  ofType:self.fileType
                                   error:outError];
     });
-    [wrapper loadCache];
     return result;
 }
 

LSFileWrapper.h

@@ -13,8 +13,6 @@
 - (id)initDirectory;
 - (id)initWithURL:(NSURL *)url isDirectory:(BOOL)isDir;
 
-- (void)loadCache;
-
 - (NSData *)data;
 - (NSString *)string;
 - (NSDictionary *)dictionary;
@@ -23,6 +21,10 @@
 - (void)updateContent:(id<NSObject>)content;
 - (void)deleteContent;
 
+- (void)incReserve;
+- (void)decReserve;
+- (void)deleteUnreserved;
+
 - (LSFileWrapper *)fileWrapperWithPath:(NSString *)path;
 - (LSFileWrapper *)fileWrapperWithPath:(NSString *)path create:(BOOL)create isDirectory:(BOOL)isDir;
 
@@ -37,5 +39,5 @@
 @property (readonly, strong, nonatomic) NSString *fileType;
 @property (readonly, nonatomic) BOOL updated;
 @property (readonly, nonatomic) BOOL isDirectory;
-@property (assign, nonatomic) BOOL cacheFile;
+@property (assign, nonatomic) NSInteger reserve;
 @end