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// ================================================================
//
//  GMDataBackedFileDelegate.h
//  MacFUSE
//
//  Created by ted on 1/5/08.
//
#import <Foundation/Foundation.h>

#define GM_EXPORT __attribute__((visibility("default")))

GM_EXPORT @interface GMDataBackedFileDelegate : NSObject {
 @private
  NSData* data_;
}

+ (GMDataBackedFileDelegate *)fileDelegateWithData:(NSData *)data;

- (NSData *)data;

- (id)initWithData:(NSData *)data;

- (int)readToBuffer:(char *)buffer 
               size:(size_t)size 
             offset:(off_t)offset 
              error:(NSError **)error;
@end

GM_EXPORT @interface GMMutableDataBackedFileDelegate : GMDataBackedFileDelegate

+ (GMMutableDataBackedFileDelegate *)fileDelegateWithData:(NSMutableData *)data;

- (id)initWithMutableData:(NSMutableData *)data;

- (int)writeFromBuffer:(const char *)buffer 
                  size:(size_t)size 
                offset:(off_t)offset
                 error:(NSError **)error;

- (BOOL)truncateToOffset:(off_t)offset 
                   error:(NSError **)error;

@end

#undef GM_EXPORT