14a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project/*---------------------------------------------------------------------------* 24a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project * astar_pphash.h * 34a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project * * 44a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project * Copyright 2007, 2008 Nuance Communciations, Inc. * 54a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project * * 64a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the 'License'); * 74a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project * you may not use this file except in compliance with the License. * 84a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project * * 94a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project * You may obtain a copy of the License at * 104a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 * 114a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project * * 124a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project * Unless required by applicable law or agreed to in writing, software * 134a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project * distributed under the License is distributed on an 'AS IS' BASIS, * 144a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * 154a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project * See the License for the specific language governing permissions and * 164a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project * limitations under the License. * 174a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project * * 184a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project *---------------------------------------------------------------------------*/ 194a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project 204a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project#ifndef __ASTAR_PPHASH__ 214a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project#define __ASTAR_PPHASH__ 224a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project 234a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project#define FSH_SUCCESS 0 244a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project#define FSH_KEY_OCCUPIED 1 254a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project#define FSH_NO_SUCH_KEY 2 264a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project#define FSH_HASHSIZE 37 274a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project#define FSH_NULL 0 284a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project 294a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project#include "astar.h" 304a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project 314a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project/** 324a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project * The FixedSizeHash is a hash that does not grow in size. 334a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project * In each bin there are a number of elements, which are maintained 344a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project * via a linked list. 354a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project * This is used to find out whether a path with the same word history 364a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project * as the one being expanded has already been search. If yes, we can 374a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project * abort this one. 384a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project */ 394a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Projecttypedef struct 404a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project{ 414a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project int hashsize; 424a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project partial_path* items[FSH_HASHSIZE]; 434a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project srec* rec; 444a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project} 454a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source ProjectFixedSizeHash; 464a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project 474a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Projectvoid hash_init(FixedSizeHash* hash, srec* rec); 484a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Projectint hash_del(FixedSizeHash* hash, partial_path* parp); 494a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Projectunsigned int hashfunc(partial_path* parp); 504a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Projectint compare_parp(partial_path* parp1, partial_path* parp2, srec* rec); 514a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Projectint hash_get(FixedSizeHash* hash, partial_path* parp, void** hval); 524a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Projectint hash_set(FixedSizeHash* hash, partial_path* parp); 534a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project 544a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project#endif 55