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//========================================================================
//
// GHash.h
//
// Copyright 2001-2003 Glyph & Cog, LLC
//
//========================================================================
#ifndef GHASH_H
#define GHASH_H
#include <aconf.h>
#ifdef USE_GCC_PRAGMAS
#pragma interface
#endif
#include "gtypes.h"
class GString;
struct GHashBucket;
struct GHashIter;
//------------------------------------------------------------------------
class GHash {
public:
GHash(GBool deleteKeysA = gFalse);
~GHash();
void add(GString *key, void *val);
void add(GString *key, int val);
void replace(GString *key, void *val);
void replace(GString *key, int val);
void *lookup(GString *key);
int lookupInt(GString *key);
void *lookup(const char *key);
int lookupInt(const char *key);
void *remove(GString *key);
int removeInt(GString *key);
void *remove(const char *key);
int removeInt(const char *key);
int getLength() { return len; }
void startIter(GHashIter **iter);
GBool getNext(GHashIter **iter, GString **key, void **val);
GBool getNext(GHashIter **iter, GString **key, int *val);
void killIter(GHashIter **iter);
private:
void expand();
GHashBucket *find(GString *key, int *h);
GHashBucket *find(const char *key, int *h);
int hash(GString *key);
int hash(const char *key);
GBool deleteKeys; // set if key strings should be deleted
int size; // number of buckets
int len; // number of entries
GHashBucket **tab;
};
#define deleteGHash(hash, T) \
do { \
GHash *_hash = (hash); \
{ \
GHashIter *_iter; \
GString *_key; \
void *_p; \
_hash->startIter(&_iter); \
while (_hash->getNext(&_iter, &_key, &_p)) { \
delete (T*)_p; \
} \
delete _hash; \
} \
} while(0)
#endif
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