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#import "CSInputBuffer.h"
extern NSString *XADInvalidPrefixCodeException;
typedef struct XADCodeTreeNode XADCodeTreeNode;
typedef struct XADCodeTableEntry XADCodeTableEntry;
@interface XADPrefixCode:NSObject
{
XADCodeTreeNode *tree;
int numentries,minlength,maxlength;
BOOL isstatic;
int currnode;
NSMutableArray *stack;
int tablesize;
XADCodeTableEntry *table1,*table2;
}
+(XADPrefixCode *)prefixCode;
+(XADPrefixCode *)prefixCodeWithLengths:(const int *)lengths numberOfSymbols:(int)numsymbols
maximumLength:(int)maxlength shortestCodeIsZeros:(BOOL)zeros;
-(id)init;
-(id)initWithStaticTable:(int (*)[2])statictable;
-(id)initWithLengths:(const int *)lengths numberOfSymbols:(int)numsymbols
maximumLength:(int)maxlength shortestCodeIsZeros:(BOOL)zeros;
-(void)dealloc;
-(void)addValue:(int)value forCodeWithHighBitFirst:(uint32_t)code length:(int)length;
-(void)addValue:(int)value forCodeWithHighBitFirst:(uint32_t)code length:(int)length repeatAt:(int)repeatpos;
-(void)addValue:(int)value forCodeWithLowBitFirst:(uint32_t)code length:(int)length;
-(void)addValue:(int)value forCodeWithLowBitFirst:(uint32_t)code length:(int)length repeatAt:(int)repeatpos;
-(void)startBuildingTree;
-(void)startZeroBranch;
-(void)startOneBranch;
-(void)finishBranches;
-(void)makeLeafWithValue:(int)value;
-(void)_pushNode;
-(void)_popNode;
-(void)_makeTable;
-(void)_makeTableLE;
@end
int CSInputNextSymbolUsingCode(CSInputBuffer *buf,XADPrefixCode *code);
int CSInputNextSymbolUsingCodeLE(CSInputBuffer *buf,XADPrefixCode *code);
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