62 lines
743 B
Mathematica
62 lines
743 B
Mathematica
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//
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// FileSource.m
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// FileSource
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//
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// Created by Vincent Spader on 3/1/07.
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// Copyright 2007 __MyCompanyName__. All rights reserved.
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//
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#import "FileSource.h"
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@implementation FileSource
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- (BOOL)buffered
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{
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return NO;
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}
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- (BOOL)open:(NSURL *)url
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{
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_fd = fopen([[url path] UTF8String], "r");
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return (_fd != NULL);
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}
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- (NSDictionary *)properties
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{
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return nil;
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}
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- (BOOL)seekable
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{
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return YES;
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}
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- (BOOL)seek:(long)position whence:(int)whence
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{
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return (fseek(_fd, position, whence) == 0);
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}
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- (long)tell
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{
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return ftell(_fd);
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}
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- (int)read:(void *)buffer amount:(int)amount
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{
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return fread(buffer, 1, amount, _fd);
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}
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- (void)close
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{
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fclose(_fd);
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}
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+ (NSArray *)schemes
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{
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return [NSArray arrayWithObject:@"file"];
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}
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@end
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