| // Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, |
| // software distributed under the License is distributed on an |
| // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| // KIND, either express or implied. See the License for the |
| // specific language governing permissions and limitations |
| // under the License. |
| |
| #ifndef DocFormats_DFHashTable_h |
| #define DocFormats_DFHashTable_h |
| |
| #include "DFTypes.h" |
| |
| // http://en.wikipedia.org/wiki/Jenkins_hash_function |
| |
| #define DFHashBegin(__hc) { (__hc) = 0; } |
| |
| #define DFHashUpdate(__hc,__value) { \ |
| (__hc) += (__value); \ |
| (__hc) += ((__hc) << 10); \ |
| (__hc) ^= ((__hc) >> 6); \ |
| } |
| |
| #define DFHashEnd(__hc) { \ |
| (__hc) += ((__hc) << 3); \ |
| (__hc) ^= ((__hc) >> 11); \ |
| (__hc) += ((__hc) << 15); \ |
| } |
| |
| typedef uint32_t DFHashCode; |
| typedef struct DFHashTable DFHashTable; |
| typedef void* (*DFCopyFunction)(const void *object); |
| typedef void (*DFFreeFunction)(void *object); |
| |
| DFHashTable *DFHashTableNew(DFCopyFunction copy, DFFreeFunction free); |
| DFHashTable *DFHashTableNew2(DFCopyFunction copy, DFFreeFunction free, int binsCount); |
| DFHashTable *DFHashTableRetain(DFHashTable *table); |
| void DFHashTableRelease(DFHashTable *table); |
| |
| DFHashTable *DFHashTableCopy(DFHashTable *src); |
| int DFHashTableCount(DFHashTable *table); |
| const char **DFHashTableCopyKeys(DFHashTable *table); |
| void *DFHashTableLookup(DFHashTable *table, const char *key); |
| void DFHashTableAdd(DFHashTable *table, const char *key, const void *value); |
| void DFHashTableRemove(DFHashTable *table, const char *key); |
| |
| void *DFHashTableLookupInt(DFHashTable *table, int key); |
| void DFHashTableAddInt(DFHashTable *table, int key, void *value); |
| void DFHashTableRemoveInt(DFHashTable *table, int key); |
| |
| #endif |