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cdesktop/cde/programs/dtinfo/DtMmdb/hmphf/buckets.h
2018-04-28 12:30:20 -06:00

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C++

/*
* CDE - Common Desktop Environment
*
* Copyright (c) 1993-2012, The Open Group. All rights reserved.
*
* These libraries and programs are free software; you can
* redistribute them and/or modify them under the terms of the GNU
* Lesser General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* These libraries and programs are distributed in the hope that
* they will be useful, but WITHOUT ANY WARRANTY; without even the
* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with these libraries and programs; if not, write
* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
* Floor, Boston, MA 02110-1301 USA
*/
/*
* $XConsortium: buckets.h /main/3 1996/06/11 17:19:58 cde-hal $
*
* Copyright (c) 1993 HAL Computer Systems International, Ltd.
* All rights reserved. Unpublished -- rights reserved under
* the Copyright Laws of the United States. USE OF A COPYRIGHT
* NOTICE IS PRECAUTIONARY ONLY AND DOES NOT IMPLY PUBLICATION
* OR DISCLOSURE.
*
* THIS SOFTWARE CONTAINS CONFIDENTIAL INFORMATION AND TRADE
* SECRETS OF HAL COMPUTER SYSTEMS INTERNATIONAL, LTD. USE,
* DISCLOSURE, OR REPRODUCTION IS PROHIBITED WITHOUT THE
* PRIOR EXPRESS WRITTEN PERMISSION OF HAL COMPUTER SYSTEMS
* INTERNATIONAL, LTD.
*
* RESTRICTED RIGHTS LEGEND
* Use, duplication, or disclosure by the Government is subject
* to the restrictions as set forth in subparagraph (c)(l)(ii)
* of the Rights in Technical Data and Computer Software clause
* at DFARS 252.227-7013.
*
* HAL COMPUTER SYSTEMS INTERNATIONAL, LTD.
* 1315 Dell Avenue
* Campbell, CA 95008
*
*/
#ifndef _buckets_h
#define _buckets_h 1
#include <stdio.h>
#include "utility/atoi_pearson.h"
#include "dstr/slist_void_ptr_cell.h"
#include "hmphf/params.h"
#include "hmphf/pattern.h"
class bucket
{
public:
bucket(char*, int orig_pos = 0, Boolean copy = true);
~bucket();
int add_key(char*, Boolean copy = true);
short no_keys() { return v_no_keys; };
int g_value() { return v_g_value; };
int control_bit() { return v_control_bit; };
int orig_pos() { return v_orig_pos; };
void set_count(int i) { v_count = i; };
void set_control_bit(int cb) { v_control_bit = cb; };
void set_g_value(int gv) { v_g_value = gv; };
friend ostream& operator<<(ostream&, bucket&);
protected:
short v_no_keys;
int v_count;
int v_control_bit;
int v_g_value;
int v_orig_pos;
slist_void_ptr_cell* key_ptr;
friend class buckets;
friend class sorter;
};
typedef bucket* bucketPtr;
class buckets
{
public:
//buckets(char* key_file, params& params);
buckets(char** keys, params& params);
~buckets();
void set_control_bit(int cb);
int get_pattern(int i, int_pattern&, params&);
int use_current_params(int i, int_pattern&, params& pms,
Boolean use_g_value = false);
int no_buckets() { return v_no_buckets; };
int max_bucket_sz() { return v_max_bucket_sz; };
bucket* operator[](int i) { return v_bucket_array[i]; };
friend ostream& operator<<(ostream&, buckets&);
protected:
void sort_by_size();
int bucket_num(char* k, params& pms);
inline int hash_value(char* k, int offset, int range)
{
return h_convertor.atoi(k, strlen(k), offset+1, range);
};
protected:
bucket** v_bucket_array;
int v_no_buckets;
int v_max_bucket_sz;
pm_random rnd;
atoi_pearson b_convertor;
atoi_pearson h_convertor;
};
#endif