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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 	//ANTLRPtrBuffer *fNext;
     41     NSInteger BuffSize;
     42     NSMutableData *buffer;
     43     id *ptrBuffer;
     44     NSInteger count;
     45     NSInteger ptr;
     46 }
     47 
     48 @property (getter=getBuffSize, setter=setBuffSize:) NSInteger BuffSize;
     49 @property (retain, getter=getBuffer, setter=setBuffer:) NSMutableData *buffer;
     50 @property (retain, getter=getPtrBuffer, setter=setPtrBuffer:) id *ptrBuffer;
     51 @property (getter=getCount, setter=setCount:) NSInteger count;
     52 @property (getter=getPtr, setter=setPtr:) NSInteger ptr;
     53 
     54 // Contruction/Destruction
     55 +(ANTLRPtrBuffer *)newANTLRPtrBuffer;
     56 +(ANTLRPtrBuffer *)newANTLRPtrBufferWithLen:(NSInteger)cnt;
     57 -(id)init;
     58 -(id)initWithLen:(NSInteger)cnt;
     59 -(void)dealloc;
     60 
     61 // Instance Methods
     62 - (id) copyWithZone:(NSZone *)aZone;
     63 /* clear -- reinitialize the maplist array */
     64 - (void) clear;
     65 
     66 - (NSInteger)count;
     67 - (NSInteger)length;
     68 - (NSInteger)size;
     69 
     70 - (NSMutableData *)getBuffer;
     71 - (void)setBuffer:(NSMutableData *)np;
     72 - (NSInteger)getCount;
     73 - (void)setCount:(NSInteger)aCount;
     74 - (id *)getPtrBuffer;
     75 - (void)setPtrBuffer:(id *)np;
     76 - (NSInteger)getPtr;
     77 - (void)setPtr:(NSInteger)np;
     78 
     79 - (void) push:(id) v;
     80 - (id) pop;
     81 - (id) peek;
     82 
     83 - (void) addObject:(id) v;
     84 - (void) addObjectsFromArray:(ANTLRPtrBuffer *)anArray;
     85 - (void) insertObject:(id)aRule atIndex:(NSInteger)idx;
     86 - (id)   objectAtIndex:(NSInteger)idx;
     87 - (void) removeAllObjects;
     88 
     89 - (void) ensureCapacity:(NSInteger) index;
     90 
     91 @end
     92