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Diffstat (limited to 'third_party/js-1.7/jshash.h')
| -rw-r--r-- | third_party/js-1.7/jshash.h | 151 |
1 files changed, 0 insertions, 151 deletions
diff --git a/third_party/js-1.7/jshash.h b/third_party/js-1.7/jshash.h deleted file mode 100644 index 2a125e1907d..00000000000 --- a/third_party/js-1.7/jshash.h +++ /dev/null @@ -1,151 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- - * - * ***** BEGIN LICENSE BLOCK ***** - * Version: MPL 1.1/GPL 2.0/LGPL 2.1 - * - * The contents of this file are subject to the Mozilla Public License Version - * 1.1 (the "License"); you may not use this file except in compliance with - * the License. You may obtain a copy of the License at - * http://www.mozilla.org/MPL/ - * - * Software distributed under the License is distributed on an "AS IS" basis, - * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License - * for the specific language governing rights and limitations under the - * License. - * - * The Original Code is Mozilla Communicator client code, released - * March 31, 1998. - * - * The Initial Developer of the Original Code is - * Netscape Communications Corporation. - * Portions created by the Initial Developer are Copyright (C) 1998 - * the Initial Developer. All Rights Reserved. - * - * Contributor(s): - * - * Alternatively, the contents of this file may be used under the terms of - * either of the GNU General Public License Version 2 or later (the "GPL"), - * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), - * in which case the provisions of the GPL or the LGPL are applicable instead - * of those above. If you wish to allow use of your version of this file only - * under the terms of either the GPL or the LGPL, and not to allow others to - * use your version of this file under the terms of the MPL, indicate your - * decision by deleting the provisions above and replace them with the notice - * and other provisions required by the GPL or the LGPL. If you do not delete - * the provisions above, a recipient may use your version of this file under - * the terms of any one of the MPL, the GPL or the LGPL. - * - * ***** END LICENSE BLOCK ***** */ - -#ifndef jshash_h___ -#define jshash_h___ -/* - * API to portable hash table code. - */ -#include <stddef.h> -#include <stdio.h> -#include "jstypes.h" -#include "jscompat.h" - -JS_BEGIN_EXTERN_C - -typedef uint32 JSHashNumber; -typedef struct JSHashEntry JSHashEntry; -typedef struct JSHashTable JSHashTable; - -#define JS_HASH_BITS 32 -#define JS_GOLDEN_RATIO 0x9E3779B9U - -typedef JSHashNumber (* JS_DLL_CALLBACK JSHashFunction)(const void *key); -typedef intN (* JS_DLL_CALLBACK JSHashComparator)(const void *v1, const void *v2); -typedef intN (* JS_DLL_CALLBACK JSHashEnumerator)(JSHashEntry *he, intN i, void *arg); - -/* Flag bits in JSHashEnumerator's return value */ -#define HT_ENUMERATE_NEXT 0 /* continue enumerating entries */ -#define HT_ENUMERATE_STOP 1 /* stop enumerating entries */ -#define HT_ENUMERATE_REMOVE 2 /* remove and free the current entry */ - -typedef struct JSHashAllocOps { - void * (*allocTable)(void *pool, size_t size); - void (*freeTable)(void *pool, void *item); - JSHashEntry * (*allocEntry)(void *pool, const void *key); - void (*freeEntry)(void *pool, JSHashEntry *he, uintN flag); -} JSHashAllocOps; - -#define HT_FREE_VALUE 0 /* just free the entry's value */ -#define HT_FREE_ENTRY 1 /* free value and entire entry */ - -struct JSHashEntry { - JSHashEntry *next; /* hash chain linkage */ - JSHashNumber keyHash; /* key hash function result */ - const void *key; /* ptr to opaque key */ - void *value; /* ptr to opaque value */ -}; - -struct JSHashTable { - JSHashEntry **buckets; /* vector of hash buckets */ - uint32 nentries; /* number of entries in table */ - uint32 shift; /* multiplicative hash shift */ - JSHashFunction keyHash; /* key hash function */ - JSHashComparator keyCompare; /* key comparison function */ - JSHashComparator valueCompare; /* value comparison function */ - JSHashAllocOps *allocOps; /* allocation operations */ - void *allocPriv; /* allocation private data */ -#ifdef HASHMETER - uint32 nlookups; /* total number of lookups */ - uint32 nsteps; /* number of hash chains traversed */ - uint32 ngrows; /* number of table expansions */ - uint32 nshrinks; /* number of table contractions */ -#endif -}; - -/* - * Create a new hash table. - * If allocOps is null, use default allocator ops built on top of malloc(). - */ -extern JS_PUBLIC_API(JSHashTable *) -JS_NewHashTable(uint32 n, JSHashFunction keyHash, - JSHashComparator keyCompare, JSHashComparator valueCompare, - JSHashAllocOps *allocOps, void *allocPriv); - -extern JS_PUBLIC_API(void) -JS_HashTableDestroy(JSHashTable *ht); - -/* Low level access methods */ -extern JS_PUBLIC_API(JSHashEntry **) -JS_HashTableRawLookup(JSHashTable *ht, JSHashNumber keyHash, const void *key); - -extern JS_PUBLIC_API(JSHashEntry *) -JS_HashTableRawAdd(JSHashTable *ht, JSHashEntry **hep, JSHashNumber keyHash, - const void *key, void *value); - -extern JS_PUBLIC_API(void) -JS_HashTableRawRemove(JSHashTable *ht, JSHashEntry **hep, JSHashEntry *he); - -/* Higher level access methods */ -extern JS_PUBLIC_API(JSHashEntry *) -JS_HashTableAdd(JSHashTable *ht, const void *key, void *value); - -extern JS_PUBLIC_API(JSBool) -JS_HashTableRemove(JSHashTable *ht, const void *key); - -extern JS_PUBLIC_API(intN) -JS_HashTableEnumerateEntries(JSHashTable *ht, JSHashEnumerator f, void *arg); - -extern JS_PUBLIC_API(void *) -JS_HashTableLookup(JSHashTable *ht, const void *key); - -extern JS_PUBLIC_API(intN) -JS_HashTableDump(JSHashTable *ht, JSHashEnumerator dump, FILE *fp); - -/* General-purpose C string hash function. */ -extern JS_PUBLIC_API(JSHashNumber) -JS_HashString(const void *key); - -/* Stub function just returns v1 == v2 */ -extern JS_PUBLIC_API(intN) -JS_CompareValues(const void *v1, const void *v2); - -JS_END_EXTERN_C - -#endif /* jshash_h___ */ |