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      1 //
      2 //  ANTLRPtrBuffer.h
      3 //  ANTLR
      4 //
      5 //  Created by Alan Condit on 6/9/10.
      6 // [The "BSD licence"]
      7 // Copyright (c) 2010 Alan Condit
      8 // All rights reserved.
      9 //
     10 // Redistribution and use in source and binary forms, with or without
     11 // modification, are permitted provided that the following conditions
     12 // are met:
     13 // 1. Redistributions of source code must retain the above copyright
     14 //    notice, this list of conditions and the following disclaimer.
     15 // 2. Redistributions in binary form must reproduce the above copyright
     16 //    notice, this list of conditions and the following disclaimer in the
     17 //    documentation and/or other materials provided with the distribution.
     18 // 3. The name of the author may not be used to endorse or promote products
     19 //    derived from this software without specific prior written permission.
     20 //
     21 // THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     22 // IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     23 // OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     24 // IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     25 // INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     26 // NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     27 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     28 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     29 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     30 // THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     31 
     32 #import <Cocoa/Cocoa.h>
     33 #import "ANTLRLinkBase.h"
     34 
     35 //#define GLOBAL_SCOPE       0
     36 //#define LOCAL_SCOPE        1
     37 #define BUFFSIZE         101
     38 
     39 @interface ANTLRPtrBuffer : ANTLRLinkBase {
     40     NSUInteger BuffSize;
     41     NSUInteger count;
     42     NSUInteger ptr;
     43     __strong NSMutableData *buffer;
     44     __strong id *ptrBuffer;
     45 }
     46 
     47 @property (getter=getBuffSize, setter=setBuffSize:) NSUInteger BuffSize;
     48 @property (getter=getCount, setter=setCount:) NSUInteger count;
     49 @property (getter=getPtr, setter=setPtr:) NSUInteger ptr;
     50 @property (retain, getter=getBuffer, setter=setBuffer:) NSMutableData *buffer;
     51 @property (assign, getter=getPtrBuffer, setter=setPtrBuffer:) id *ptrBuffer;
     52 
     53 // Contruction/Destruction
     54 +(ANTLRPtrBuffer *)newANTLRPtrBuffer;
     55 +(ANTLRPtrBuffer *)newANTLRPtrBufferWithLen:(NSInteger)cnt;
     56 -(id)init;
     57 -(id)initWithLen:(NSUInteger)cnt;
     58 -(void)dealloc;
     59 
     60 // Instance Methods
     61 - (id) copyWithZone:(NSZone *)aZone;
     62 /* clear -- reinitialize the maplist array */
     63 - (void) clear;
     64 
     65 - (NSUInteger)count;
     66 - (NSUInteger)length;
     67 - (NSUInteger)size;
     68 
     69 - (NSMutableData *)getBuffer;
     70 - (void)setBuffer:(NSMutableData *)np;
     71 - (NSUInteger)getCount;
     72 - (void)setCount:(NSUInteger)aCount;
     73 - (id *)getPtrBuffer;
     74 - (void)setPtrBuffer:(id *)np;
     75 - (NSUInteger)getPtr;
     76 - (void)setPtr:(NSUInteger)np;
     77 
     78 - (void) push:(id) v;
     79 - (id) pop;
     80 - (id) peek;
     81 
     82 - (void) addObject:(id) v;
     83 - (void) addObjectsFromArray:(ANTLRPtrBuffer *)anArray;
     84 - (void) insertObject:(id)aRule atIndex:(NSUInteger)idx;
     85 - (id)   objectAtIndex:(NSUInteger)idx;
     86 - (void) removeAllObjects;
     87 - (void)removeObjectAtIndex:(NSInteger)idx;
     88 
     89 - (void) ensureCapacity:(NSUInteger) index;
     90 - (NSString *) description;
     91 - (NSString *) toString;
     92 
     93 @end
     94