//
//  ÇPROJECTNAMEASIDENTIFIER?_Filesystem.m
//  ÇPROJECTNAME?
//
//  Created by ÇFULLUSERNAME? on ÇDATE?.
//  Copyright ÇYEAR? ÇORGANIZATIONNAME?. All rights reserved.
//
#import <sys/xattr.h>
#import <sys/stat.h>
#import "ÇPROJECTNAMEASIDENTIFIER?_Filesystem.h"
#import <MacFUSE/MacFUSE.h>

// Category on NSError to  simplify creating an NSError based on posix errno.
@interface NSError (POSIX)
+ (NSError *)errorWithPOSIXCode:(int)code;
@end
@implementation NSError (POSIX)
+ (NSError *)errorWithPOSIXCode:(int) code {
  return [NSError errorWithDomain:NSPOSIXErrorDomain code:code userInfo:nil];
}
@end

// NOTE: It is fine to remove the below sections that are marked as 'Optional'.
// To create a working write-able file system, you must implement all non-optional
// methods fully and have them return errors correctly.

// The core set of file system operations. This class will serve as the delegate
// for GMUserFileSystemFilesystem. For more details, see the section on 
// GMUserFileSystemOperations found in the documentation at:
// http://macfuse.googlecode.com/svn/trunk/core/sdk-objc/Documentation/index.html
@implementation ÇPROJECTNAMEASIDENTIFIER?_Filesystem

#pragma mark Directory Contents

- (NSArray *)contentsOfDirectoryAtPath:(NSString *)path error:(NSError **)error {
  *error = [NSError errorWithPOSIXCode:ENOENT];
  return nil;
}

#pragma mark Getting and Setting Attributes

- (NSDictionary *)attributesOfItemAtPath:(NSString *)path
                                userData:(id)userData
                                   error:(NSError **)error {
  *error = [NSError errorWithPOSIXCode:ENOENT];
  return nil;
}

- (NSDictionary *)attributesOfFileSystemForPath:(NSString *)path
                                          error:(NSError **)error {
  return [NSDictionary dictionary];  // Default file system attributes.
}

- (BOOL)setAttributes:(NSDictionary *)attributes 
         ofItemAtPath:(NSString *)path
             userData:(id)userData
                error:(NSError **)error {
  return YES; 
}

#pragma mark File Contents

- (BOOL)openFileAtPath:(NSString *)path 
                  mode:(int)mode
              userData:(id *)userData
                 error:(NSError **)error {
  *error = [NSError errorWithPOSIXCode:ENOENT];
  return NO;
}

- (void)releaseFileAtPath:(NSString *)path userData:(id)userData {
}

- (int)readFileAtPath:(NSString *)path 
             userData:(id)userData
               buffer:(char *)buffer 
                 size:(size_t)size 
               offset:(off_t)offset
                error:(NSError **)error {
  return 0;  // We've reached end of file.
}

- (int)writeFileAtPath:(NSString *)path 
              userData:(id)userData
                buffer:(const char *)buffer
                  size:(size_t)size 
                offset:(off_t)offset
                error:(NSError **)error {
  return size;
}

// (Optional)
- (BOOL)exchangeDataOfItemAtPath:(NSString *)path1
                  withItemAtPath:(NSString *)path2
                           error:(NSError **)error {
  return YES;
}

#pragma mark Creating an Item

- (BOOL)createDirectoryAtPath:(NSString *)path 
                   attributes:(NSDictionary *)attributes
                        error:(NSError **)error {
  return YES;
}

- (BOOL)createFileAtPath:(NSString *)path 
              attributes:(NSDictionary *)attributes
                userData:(id *)userData
                   error:(NSError **)error {
  return YES;
}

#pragma mark Moving an Item

- (BOOL)moveItemAtPath:(NSString *)source 
               toPath:(NSString *)destination
                error:(NSError **)error {
  return YES;
}

#pragma mark Removing an Item

// Optional
- (BOOL)removeDirectoryAtPath:(NSString *)path error:(NSError **)error {
  return YES;
}

- (BOOL)removeItemAtPath:(NSString *)path error:(NSError **)error {
  return YES;
}

#pragma mark Linking an Item (Optional)

- (BOOL)linkItemAtPath:(NSString *)path
                toPath:(NSString *)otherPath
                 error:(NSError **)error {
  return NO; 
}

#pragma mark Symbolic Links (Optional)

- (BOOL)createSymbolicLinkAtPath:(NSString *)path 
             withDestinationPath:(NSString *)otherPath
                           error:(NSError **)error {
  return NO;
}

- (NSString *)destinationOfSymbolicLinkAtPath:(NSString *)path
                                        error:(NSError **)error {
  *error = [NSError errorWithPOSIXCode:ENOENT];
  return NO;
}

#pragma mark Extended Attributes (Optional)

- (NSArray *)extendedAttributesOfItemAtPath:(NSString *)path error:(NSError **)error {
  return [NSArray array];  // No extended attributes.
}

- (NSData *)valueOfExtendedAttribute:(NSString *)name 
                        ofItemAtPath:(NSString *)path
                            position:(off_t)position
                               error:(NSError **)error {
  *error = [NSError errorWithPOSIXCode:ENOATTR];
  return nil;
}

- (BOOL)setExtendedAttribute:(NSString *)name
                ofItemAtPath:(NSString *)path
                       value:(NSData *)value
                    position:(off_t)position
                     options:(int)options
                       error:(NSError **)error {
  return YES;
}

- (BOOL)removeExtendedAttribute:(NSString *)name
                   ofItemAtPath:(NSString *)path
                          error:(NSError **)error {
  return YES;
}

#pragma mark FinderInfo and ResourceFork (Optional)

- (NSDictionary *)finderAttributesAtPath:(NSString *)path 
                                   error:(NSError **)error {
  return [NSDictionary dictionary];
}

- (NSDictionary *)resourceAttributesAtPath:(NSString *)path
                                     error:(NSError **)error {
  return [NSDictionary dictionary];
}

@end