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1 /*
2  [The "BSD license"]
3  Copyright (c) 2005-2009 Terence Parr
4  All rights reserved.
5 
6  Redistribution and use in source and binary forms, with or without
7  modification, are permitted provided that the following conditions
8  are met:
9  1. Redistributions of source code must retain the above copyright
10      notice, this list of conditions and the following disclaimer.
11  2. Redistributions in binary form must reproduce the above copyright
12      notice, this list of conditions and the following disclaimer in the
13      documentation and/or other materials provided with the distribution.
14  3. The name of the author may not be used to endorse or promote products
15      derived from this software without specific prior written permission.
16 
17  THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18  IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19  OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22  NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  */
28 #import "ANTLRStringStream.h"
29 
30 /** This is a char buffer stream that is loaded from a file
31  *  all at once when you construct the object.  This looks very
32  *  much like an ANTLRReader or ANTLRInputStream, but it's a special case
33  *  since we know the exact size of the object to load.  We can avoid lots
34  *  of data copying.
35  */
36 @interface ANTLRFileStream : ANTLRStringStream {
37 	__strong NSString *fileName;
38 }
39 
40 
41 + (id) newANTLRFileStream:(NSString*) fileName;
42 + (id) newANTLRFileStream:(NSString *)aFileName encoding:(NSStringEncoding)encoding;
43 - (id) init:(NSString *) aFileName;
44 - (id) init:(NSString *) aFileName encoding:(NSStringEncoding)encoding;
45 - (void) load:(NSString *)fileName encoding:(NSStringEncoding)encoding;
46 - (NSString *) getSourceName;
47 
48 @property (retain) NSString *fileName;
49 
50 @end
51