* doc/en/command.txt
* doc/en/datetime.txt
* doc/en/dbdelim.txt
* doc/en/dbsdf.txt
* doc/en/dbstrux.txt
* doc/en/dir.txt
* doc/en/diskspac.txt
* doc/en/eval.txt
* doc/en/garbage.txt
* doc/en/gtslang.txt
* doc/en/hashes.txt
* doc/en/hb_api.txt
* doc/en/hb_apier.txt
* doc/en/hb_apigt.txt
* doc/en/hb_apiit.txt
* doc/en/hb_apiln.txt
* doc/en/hb_apird.txt
* doc/en/hb_compa.txt
* doc/en/hb_date.txt
* doc/en/hb_macro.txt
* doc/en/hb_set.txt
* doc/en/hb_vm.txt
* doc/en/idle.txt
* doc/en/input.txt
* doc/en/lang.txt
* doc/en/macro.txt
* doc/en/math.txt
* doc/en/memo.txt
* doc/en/memvar2.txt
* doc/en/misc.txt
* doc/en/string.txt
* doc/en/var.txt
* fixes
* doc/en/*.txt
* set mime-type to UTF-8
1191 lines
24 KiB
Plaintext
1191 lines
24 KiB
Plaintext
/*
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* $Id$
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*/
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/*
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* Harbour Project source code:
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* Hash table type and functions
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*
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* Copyright 2009 April White <april@users.sourceforge.net>
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* www - http://harbour-project.org
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*
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* Based on the content of hashfunc.c and hashes.c
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* Copyright 2007 Przemyslaw Czerpak <druzus / at / priv.onet.pl>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this software; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
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* Boston, MA 02111-1307 USA (or visit the web site http://www.gnu.org/).
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*
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* As a special exception, the Harbour Project gives permission for
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* additional uses of the text contained in its release of Harbour.
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*
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* The exception is that, if you link the Harbour libraries with other
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* files to produce an executable, this does not by itself cause the
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* resulting executable to be covered by the GNU General Public License.
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* Your use of that executable is in no way restricted on account of
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* linking the Harbour library code into it.
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*
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* This exception does not however invalidate any other reasons why
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* the executable file might be covered by the GNU General Public License.
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*
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* This exception applies only to the code released by the Harbour
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* Project under the name Harbour. If you copy code from other
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* Harbour Project or Free Software Foundation releases into a copy of
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* Harbour, as the General Public License permits, the exception does
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* not apply to the code that you add in this way. To avoid misleading
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* anyone as to the status of such modified files, you must delete
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* this exception notice from them.
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*
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* If you write modifications of your own for Harbour, it is your choice
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* whether to permit this exception to apply to your modifications.
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* If you do not wish that, delete this exception notice.
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*
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*/
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/* $DOC$
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* $TEMPLATE$
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* Function
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* $NAME$
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* HB_HASH()
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* $CATEGORY$
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* API
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* $SUBCATEGORY$
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* Hash table
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* $ONELINER$
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* Returns a hash table
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* $SYNTAX$
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* HB_HASH( [ <Key1>, <Value1> ], [ <KeyN>, <ValueN> ], ... ) -> hsTable
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* $ARGUMENTS$
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* <Key1> entry key;
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* can be of type: number, date, datetime, string, pointer
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*
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* <Value1> entry value; can be of type: block, string, numeric, date/datetime, logical, nil, pointer, array, hash table
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* $RETURNS$
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* A hash table built from the initial key/value pairs
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* $DESCRIPTION$
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*
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* $EXAMPLES$
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*
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* $TESTS$
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*
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* $STATUS$
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* R
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* $COMPLIANCE$
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* H
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* $PLATFORMS$
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*
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* $FILES$
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*
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* $SEEALSO$
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*
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* $END$
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*/
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/* $DOC$
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* $TEMPLATE$
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* Function
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* $NAME$
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* HB_HHASKEY()
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* $CATEGORY$
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* API
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* $SUBCATEGORY$
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* Hash table
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* $ONELINER$
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* Determines whether a hash table has an entry with a give key
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* $SYNTAX$
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* HB_HHASKEY( <hsTable>, <Key> ) -> lExists
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* $ARGUMENTS$
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* <hsTable> a hash table, created by HB_HASH()
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*
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* <Key> a key value to be queried for;
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* can be of type: number, date, datetime, string, pointer
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* $RETURNS$
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* A logical value indicating whether the key exists within the hash table
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* $DESCRIPTION$
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*
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* $EXAMPLES$
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*
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* $TESTS$
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*
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* $STATUS$
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* R
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* $COMPLIANCE$
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* H
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* $PLATFORMS$
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*
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* $FILES$
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*
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* $SEEALSO$
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*
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* $END$
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*/
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/* $DOC$
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* $TEMPLATE$
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* Function
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* $NAME$
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* HB_HPOS()
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* $CATEGORY$
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* API
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* $SUBCATEGORY$
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* Hash table
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* $ONELINER$
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* Locates the index of a key within a hash table
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* $SYNTAX$
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* HB_HPOS( <hsTable>, <Key> ) -> nPosition
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* $ARGUMENTS$
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* <hsTable> a hash table, created by HB_HASH()
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*
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* <Key> key for which its position is to be determined;
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* can be of type: number, date, datetime, string, pointer
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* $RETURNS$
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* A integer number being the index position of the key within the hash table.
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*
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* TODO: what is the return value if the key does not exist? zero (0)? RTE?
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* $DESCRIPTION$
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*
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* $EXAMPLES$
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*
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* $TESTS$
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*
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* $STATUS$
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* R
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* $COMPLIANCE$
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* H
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* $PLATFORMS$
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*
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* $FILES$
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*
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* $SEEALSO$
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*
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* $END$
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*/
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/* $DOC$
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* $TEMPLATE$
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* Function
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* $NAME$
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* HB_HGET()
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* $CATEGORY$
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* API
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* $SUBCATEGORY$
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* Hash table
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* $ONELINER$
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* Returns a hash value
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* $SYNTAX$
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* HB_HGET( <hsTable>, <Key> ) -> <Value>
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* $ARGUMENTS$
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* <hsTable> a hash table, created by HB_HASH()
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*
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* <Key> key to be retrieve from the hash table;
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* can be of type: number, date, datetime, string, pointer
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* $RETURNS$
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* Either the value within the hash table for the given key.
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*
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* An array access error occurs of the key is not found
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* $DESCRIPTION$
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*
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* $EXAMPLES$
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*
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* $TESTS$
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*
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* $STATUS$
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* R
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* $COMPLIANCE$
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* H
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* $PLATFORMS$
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*
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* $FILES$
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*
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* $SEEALSO$
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*
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* $END$
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*/
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/* $DOC$
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* $TEMPLATE$
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* Function
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* $NAME$
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* HB_HGETDEF()
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* $CATEGORY$
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* API
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* $SUBCATEGORY$
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* Hash table
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* $ONELINER$
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* Returns a hash value, or a default value if the key is not present
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* $SYNTAX$
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* HB_HGETDEF( <hsTable>, <Key>, [<DefaultValue>] ) -> <Value>
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* $ARGUMENTS$
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* <hsTable> a hash table, created by HB_HASH()
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*
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* <Key> key to be retrieve from the hash table;
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* can be of type: number, date, datetime, string, pointer
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*
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* <DefaultValue> a default value to be returned if the
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* hash table does not contain the key
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* $RETURNS$
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* Either the value within the hash table for the given key,
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* or the default value.
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* $DESCRIPTION$
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*
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* $EXAMPLES$
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*
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* $TESTS$
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*
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* $STATUS$
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* R
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* $COMPLIANCE$
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* H
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* $PLATFORMS$
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*
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* $FILES$
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*
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* $SEEALSO$
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*
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* $END$
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*/
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/* $DOC$
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* $TEMPLATE$
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* Function
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* $NAME$
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* HB_HSET()
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* $CATEGORY$
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* API
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* $SUBCATEGORY$
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* Hash table
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* $ONELINER$
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* Sets a hash value
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* $SYNTAX$
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* HB_HSET( <hsTable>, <Key>, <Value> ) -> <hsTable>
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* $ARGUMENTS$
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* <hsTable> a hash table, created by HB_HASH()
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*
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* <Key> the key of the entry to be set;
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* can be of type: number, date, datetime, string, pointer
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*
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* <Value> the entry value
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* $RETURNS$
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* The hash table
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* $DESCRIPTION$
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*
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* $EXAMPLES$
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*
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* $TESTS$
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*
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* $STATUS$
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* R
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* $COMPLIANCE$
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* H
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* $PLATFORMS$
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*
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* $FILES$
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*
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* $SEEALSO$
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*
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* $END$
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*/
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/* $DOC$
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* $TEMPLATE$
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* Function
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* $NAME$
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* HB_HDEL()
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* $CATEGORY$
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* API
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* $SUBCATEGORY$
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* Hash table
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* $ONELINER$
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* Removes a key/value pair from a hash table
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* $SYNTAX$
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* HB_HDEL( <hsTable>, <Key> ) -> <hsTable>
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* $ARGUMENTS$
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* <hsTable> a hash table, created by HB_HASH()
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*
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* <Key> key to be removed from the hash table;
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* can be of type: number, date, datetime, string, pointer
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* $RETURNS$
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* The hash table
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* $DESCRIPTION$
|
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*
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* $EXAMPLES$
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*
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* $TESTS$
|
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*
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* $STATUS$
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* R
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* $COMPLIANCE$
|
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* H
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* $PLATFORMS$
|
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*
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* $FILES$
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*
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* $SEEALSO$
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*
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* $END$
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*/
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/* $DOC$
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* $TEMPLATE$
|
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* Function
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* $NAME$
|
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* HB_HKEYAT()
|
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* $CATEGORY$
|
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* API
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* $SUBCATEGORY$
|
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* Hash table
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* $ONELINER$
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* Gets a hash table key at a given position
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* $SYNTAX$
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* HB_HKEYAT( <hsTable>, <nPosition> ) -> <Key>
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* $ARGUMENTS$
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* <hsTable> a hash table, created by HB_HASH()
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*
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* <nPosition> the position of an entry within the hash table that will
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* be returned
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* $RETURNS$
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* The key at the given position of the hash table;
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* the type will be one: number, date, datetime, string, pointer
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* $DESCRIPTION$
|
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*
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* $EXAMPLES$
|
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*
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* $TESTS$
|
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*
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* $STATUS$
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* R
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* $COMPLIANCE$
|
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* H
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* $PLATFORMS$
|
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*
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* $FILES$
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*
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* $SEEALSO$
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*
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* $END$
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*/
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/* $DOC$
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* $TEMPLATE$
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* Function
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* $NAME$
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* HB_HVALUEAT()
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* $CATEGORY$
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* API
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* $SUBCATEGORY$
|
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* Hash table
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* $ONELINER$
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* Gets/sets a hash value at a given position
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* $SYNTAX$
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* HB_HVALUEAT( <hsTable>, <nPosition>, [<NewValue>] ) -> <Value>
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* $ARGUMENTS$
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* <hsTable> a hash table, created by HB_HASH()
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*
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* <nPosition> the position of an entry within the hash table that will
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* be returned
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*
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* <NewValue> a new value to be assigned to the hash table at the given
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* position
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* $RETURNS$
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* The existing value, or the new value if it is given
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* $DESCRIPTION$
|
|
*
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* $EXAMPLES$
|
|
*
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* $TESTS$
|
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*
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* $STATUS$
|
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* R
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* $COMPLIANCE$
|
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* H
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* $PLATFORMS$
|
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*
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* $FILES$
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*
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* $SEEALSO$
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*
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* $END$
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*/
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|
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/* $DOC$
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* $TEMPLATE$
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* Function
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* $NAME$
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* HB_HPAIRAT()
|
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* $CATEGORY$
|
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* API
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* $SUBCATEGORY$
|
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* Hash table
|
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* $ONELINER$
|
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* Returns a two-dimensional array of a hash table entry key/value pair
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* $SYNTAX$
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* HB_HPAIRAT( <hsTable>, <nPosition> ) -> <aKeyValue>
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* $ARGUMENTS$
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* <hsTable> a hash table, created by HB_HASH()
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*
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* <nPosition> the position of an entry within the hash table that will
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* be returned
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* $RETURNS$
|
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* A two-dimensional array of the key/value pair entry of the hash table
|
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* $DESCRIPTION$
|
|
*
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* $EXAMPLES$
|
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*
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* $TESTS$
|
|
*
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* $STATUS$
|
|
* R
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* $COMPLIANCE$
|
|
* H
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* $PLATFORMS$
|
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*
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* $FILES$
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*
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* $SEEALSO$
|
|
*
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|
* $END$
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*/
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|
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/* $DOC$
|
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* $TEMPLATE$
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* Function
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|
* $NAME$
|
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* HB_HDELAT()
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* $CATEGORY$
|
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* API
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|
* $SUBCATEGORY$
|
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* Hash table
|
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* $ONELINER$
|
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* Removes an entry from a hash table based on its index position
|
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* $SYNTAX$
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* HB_HDELAT( <hsTable>, <nPosition> ) -> <hsTable>
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* $ARGUMENTS$
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* <hsTable> a hash table, created by HB_HASH()
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*
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* <nPosition> the position of an entry within the hash table that will
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* be deleted
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* $RETURNS$
|
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* The hash table
|
|
* $DESCRIPTION$
|
|
*
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|
* $EXAMPLES$
|
|
*
|
|
* $TESTS$
|
|
*
|
|
* $STATUS$
|
|
* R
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|
* $COMPLIANCE$
|
|
* H
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|
* $PLATFORMS$
|
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*
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* $FILES$
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*
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* $SEEALSO$
|
|
*
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|
* $END$
|
|
*/
|
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|
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/* $DOC$
|
|
* $TEMPLATE$
|
|
* Function
|
|
* $NAME$
|
|
* HB_HKEYS()
|
|
* $CATEGORY$
|
|
* API
|
|
* $SUBCATEGORY$
|
|
* Hash table
|
|
* $ONELINER$
|
|
* Returns an array of the keys of a hash table
|
|
* $SYNTAX$
|
|
* HB_HKEYS( <hsTable> ) -> <aKeys>
|
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* $ARGUMENTS$
|
|
* <hsTable> a hash table, created by HB_HASH()
|
|
* $RETURNS$
|
|
* An array of all the hash table keys
|
|
* $DESCRIPTION$
|
|
*
|
|
* $EXAMPLES$
|
|
*
|
|
* $TESTS$
|
|
*
|
|
* $STATUS$
|
|
* R
|
|
* $COMPLIANCE$
|
|
* H
|
|
* $PLATFORMS$
|
|
*
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|
* $FILES$
|
|
*
|
|
* $SEEALSO$
|
|
*
|
|
* $END$
|
|
*/
|
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|
|
/* $DOC$
|
|
* $TEMPLATE$
|
|
* Function
|
|
* $NAME$
|
|
* HB_HVALUES()
|
|
* $CATEGORY$
|
|
* API
|
|
* $SUBCATEGORY$
|
|
* Hash table
|
|
* $ONELINER$
|
|
* Returns an array of the values of a hash table
|
|
* $SYNTAX$
|
|
* HB_HVALUES( <hsTable> ) -> <aValues>
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* $ARGUMENTS$
|
|
* <hsTable> a hash table, created by HB_HASH()
|
|
* $RETURNS$
|
|
* An array of all the hash values
|
|
* $DESCRIPTION$
|
|
*
|
|
* $EXAMPLES$
|
|
*
|
|
* $TESTS$
|
|
*
|
|
* $STATUS$
|
|
* R
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|
* $COMPLIANCE$
|
|
* H
|
|
* $PLATFORMS$
|
|
*
|
|
* $FILES$
|
|
*
|
|
* $SEEALSO$
|
|
*
|
|
* $END$
|
|
*/
|
|
|
|
/* $DOC$
|
|
* $TEMPLATE$
|
|
* Function
|
|
* $NAME$
|
|
* HB_HFILL()
|
|
* $CATEGORY$
|
|
* API
|
|
* $SUBCATEGORY$
|
|
* Hash table
|
|
* $ONELINER$
|
|
* Fills a hash table with a value
|
|
* $SYNTAX$
|
|
* HB_HFILL( <hsTable>, <Value> ) -> <hsTable>
|
|
* $ARGUMENTS$
|
|
* <hsTable> a hash table, created by HB_HASH()
|
|
*
|
|
* <Value> fill value; can be of type: block, string, numeric, date/datetime, logical, nil, pointer, array, hash table
|
|
* $RETURNS$
|
|
* The hash table
|
|
* $DESCRIPTION$
|
|
*
|
|
* $EXAMPLES$
|
|
*
|
|
* $TESTS$
|
|
*
|
|
* $STATUS$
|
|
* R
|
|
* $COMPLIANCE$
|
|
* H
|
|
* $PLATFORMS$
|
|
*
|
|
* $FILES$
|
|
*
|
|
* $SEEALSO$
|
|
*
|
|
* $END$
|
|
*/
|
|
|
|
/* $DOC$
|
|
* $TEMPLATE$
|
|
* Function
|
|
* $NAME$
|
|
* HB_HCLONE()
|
|
* $CATEGORY$
|
|
* API
|
|
* $SUBCATEGORY$
|
|
* Hash table
|
|
* $ONELINER$
|
|
* Creates a copy of a hash table
|
|
* $SYNTAX$
|
|
* HB_HCLONE( <hsTable> ) -> <hsDestination>
|
|
* $ARGUMENTS$
|
|
* <hsTable> a hash table, created by HB_HASH()
|
|
* $RETURNS$
|
|
* A cloned copy of the hash table
|
|
* $DESCRIPTION$
|
|
*
|
|
* $EXAMPLES$
|
|
*
|
|
* $TESTS$
|
|
*
|
|
* $STATUS$
|
|
* R
|
|
* $COMPLIANCE$
|
|
* H
|
|
* $PLATFORMS$
|
|
*
|
|
* $FILES$
|
|
*
|
|
* $SEEALSO$
|
|
*
|
|
* $END$
|
|
*/
|
|
|
|
/* $DOC$
|
|
* $TEMPLATE$
|
|
* Function
|
|
* $NAME$
|
|
* HB_HCOPY()
|
|
* $CATEGORY$
|
|
* API
|
|
* $SUBCATEGORY$
|
|
* Hash table
|
|
* $ONELINER$
|
|
* Adds entries from the source hash table to the destination hash table
|
|
* $SYNTAX$
|
|
* HB_HCOPY( <hsDestination>, <hsSource>, [<nStart>], [<nCount>] ) -> <hsDestination>
|
|
* $ARGUMENTS$
|
|
* <hsDestination> a destination hash table, created by HB_HASH()
|
|
*
|
|
* <hsSource> a source hash table, created by HB_HASH()
|
|
*
|
|
* <nStart> starting index, defaults to 1 if omitted
|
|
*
|
|
* <nCount> counter, defaults to (length) - <nStart> is omitted
|
|
* $RETURNS$
|
|
* The destination hash table
|
|
* $DESCRIPTION$
|
|
*
|
|
* $EXAMPLES$
|
|
*
|
|
* $TESTS$
|
|
*
|
|
* $STATUS$
|
|
* R
|
|
* $COMPLIANCE$
|
|
* H
|
|
* $PLATFORMS$
|
|
*
|
|
* $FILES$
|
|
*
|
|
* $SEEALSO$
|
|
*
|
|
* $END$
|
|
*/
|
|
|
|
/* $DOC$
|
|
* $TEMPLATE$
|
|
* Function
|
|
* $NAME$
|
|
* HB_HMERGE()
|
|
* $CATEGORY$
|
|
* API
|
|
* $SUBCATEGORY$
|
|
* Hash table
|
|
* $ONELINER$
|
|
* Merges a source hash table into a destination hash table
|
|
* $SYNTAX$
|
|
* HB_HMERGE( <hsDestination>, <hsSource>, <bBlock>|<nPosition> ) -> <hsDestination>
|
|
* $ARGUMENTS$
|
|
* <hsDestination> a destination hash table, created by HB_HASH()
|
|
*
|
|
* <hsSource> a source hash table, created by HB_HASH()
|
|
*
|
|
* <bBlock> a code block that will be evaluated for each entry within the
|
|
* source hash table; the code block will be passed the entry key, value and
|
|
* position; if the code block returns a true value, the entry will be added to
|
|
* the destination hash table
|
|
*
|
|
* <nPosition> the position of an entry within the source hash table that will
|
|
* be appended to the destination hash table
|
|
*
|
|
* TODO: the source code passes either a number or HB_HASH_UNION; research this
|
|
* $RETURNS$
|
|
* The destination hash table with the contents of the source hash table merged
|
|
* $DESCRIPTION$
|
|
*
|
|
* $EXAMPLES$
|
|
*
|
|
* $TESTS$
|
|
*
|
|
* $STATUS$
|
|
* R
|
|
* $COMPLIANCE$
|
|
* H
|
|
* $PLATFORMS$
|
|
*
|
|
* $FILES$
|
|
*
|
|
* $SEEALSO$
|
|
*
|
|
* $END$
|
|
*/
|
|
|
|
/* $DOC$
|
|
* $TEMPLATE$
|
|
* Function
|
|
* $NAME$
|
|
* HB_HEVAL()
|
|
* $CATEGORY$
|
|
* API
|
|
* $SUBCATEGORY$
|
|
* Hash table
|
|
* $ONELINER$
|
|
* Evaluate a code block across the contents of a hash table
|
|
* $SYNTAX$
|
|
* HB_HEVAL( <hsTable>, <bBlock>, [<nStart>], [<nCount>] ) -> <hsTable>
|
|
* $ARGUMENTS$
|
|
* <hsTable> a hash table, created by HB_HASH()
|
|
*
|
|
* <bBlock> code block to be evaluated
|
|
*
|
|
* <nStart> starting index, defaults to 1 if omitted
|
|
*
|
|
* <nCount> counter, defaults to (length) - <nStart> is omitted
|
|
* $RETURNS$
|
|
* The hash table
|
|
* $DESCRIPTION$
|
|
* The code block is evaluated for every hash table entry starting at
|
|
* <nStart> for <nCount> items.
|
|
*
|
|
* The code block is passed the entry key, value, and numeric position
|
|
* $EXAMPLES$
|
|
*
|
|
* $TESTS$
|
|
*
|
|
* $STATUS$
|
|
* R
|
|
* $COMPLIANCE$
|
|
* H
|
|
* $PLATFORMS$
|
|
*
|
|
* $FILES$
|
|
*
|
|
* $SEEALSO$
|
|
*
|
|
* $END$
|
|
*/
|
|
|
|
/* $DOC$
|
|
* $TEMPLATE$
|
|
* Function
|
|
* $NAME$
|
|
* HB_HSCAN()
|
|
* $CATEGORY$
|
|
* API
|
|
* $SUBCATEGORY$
|
|
* Hash table
|
|
* $ONELINER$
|
|
* Scans a hash table
|
|
* $SYNTAX$
|
|
* HB_HSCAN( <hsTable>, <Value>, [<nStart>], [<nCount>, [<lExact>] ) -> nPosition
|
|
* $ARGUMENTS$
|
|
* <hsTable> a hash table, created by HB_HASH()
|
|
*
|
|
* <Value> to be located within the hash table
|
|
*
|
|
* <nStart> starting index, defaults to 1 if omitted
|
|
*
|
|
* <nCount> counter, defaults to (length) - <nStart> is omitted
|
|
*
|
|
* <lExact> logical valuye indicating whether the comparision
|
|
* is to be be exact or not
|
|
* $RETURNS$
|
|
* The position of the located value within the hash table, or zero (0) if not found.
|
|
* $DESCRIPTION$
|
|
*
|
|
* $EXAMPLES$
|
|
*
|
|
* $TESTS$
|
|
*
|
|
* $STATUS$
|
|
* R
|
|
* $COMPLIANCE$
|
|
* H
|
|
* $PLATFORMS$
|
|
*
|
|
* $FILES$
|
|
*
|
|
* $SEEALSO$
|
|
*
|
|
* $END$
|
|
*/
|
|
|
|
/* $DOC$
|
|
* $TEMPLATE$
|
|
* Function
|
|
* $NAME$
|
|
* HB_HSORT()
|
|
* $CATEGORY$
|
|
* API
|
|
* $SUBCATEGORY$
|
|
* Hash table
|
|
* $ONELINER$
|
|
* Reorganizes the internal list of the hash table to be sorted
|
|
* $SYNTAX$
|
|
* HB_HSORT( <hsTable> ) -> <hsSortedTable>
|
|
* $ARGUMENTS$
|
|
* <hsTable> a hash table, created by HB_HASH()
|
|
* $RETURNS$
|
|
* The hash table sorted
|
|
*
|
|
* TODO: is the original table altered?
|
|
* $DESCRIPTION$
|
|
*
|
|
* $EXAMPLES$
|
|
*
|
|
* $TESTS$
|
|
*
|
|
* $STATUS$
|
|
* R
|
|
* $COMPLIANCE$
|
|
* H
|
|
* $PLATFORMS$
|
|
*
|
|
* $FILES$
|
|
*
|
|
* $SEEALSO$
|
|
*
|
|
* $END$
|
|
*/
|
|
|
|
/* $DOC$
|
|
* $TEMPLATE$
|
|
* Function
|
|
* $NAME$
|
|
* HB_HCASEMATCH()
|
|
* $CATEGORY$
|
|
* API
|
|
* $SUBCATEGORY$
|
|
* Hash table
|
|
* $ONELINER$
|
|
* Sets the 'case match' flag for the hash table
|
|
* $SYNTAX$
|
|
* HB_HCASEMATCH( <hsTable>, [<lFlag>] ) -> <lPreviousFlag>
|
|
* $ARGUMENTS$
|
|
* <hsTable> a hash table, created by HB_HASH()
|
|
*
|
|
* <lFlag> a logical value indicating to turn on or off
|
|
* the 'case match' flag of the hash table
|
|
* $RETURNS$
|
|
* The previous value of the 'case match' flag
|
|
* $DESCRIPTION$
|
|
* This function is equivalent to HB_HSETCASEMATCH() but it returns
|
|
* the old flag value rather than the hash table
|
|
* $EXAMPLES$
|
|
* LOCAL hsTable, lFlag
|
|
* hsTable := { "one" => 1, "two" => 2 }
|
|
* // turn 'case match' on for a new hash table, storing ol flag
|
|
* lFlag := hb_HCaseMatch( hsTable, .T. )
|
|
* $TESTS$
|
|
*
|
|
* $STATUS$
|
|
* R
|
|
* $COMPLIANCE$
|
|
* H
|
|
* $PLATFORMS$
|
|
*
|
|
* $FILES$
|
|
*
|
|
* $SEEALSO$
|
|
* HB_HSETCASEMATCH()
|
|
* $END$
|
|
*/
|
|
|
|
/* $DOC$
|
|
* $TEMPLATE$
|
|
* Function
|
|
* $NAME$
|
|
* HB_HBINARY()
|
|
* $CATEGORY$
|
|
* API
|
|
* $SUBCATEGORY$
|
|
* Hash table
|
|
* $ONELINER$
|
|
* Sets the 'binary' flag for the hash table
|
|
* $SYNTAX$
|
|
* HB_HBINARY( <hsTable>, [<lFlag>] ) -> <lPreviousFlag>
|
|
* $ARGUMENTS$
|
|
* <hsTable> a hash table, created by HB_HASH()
|
|
*
|
|
* <lFlag> a logical value indicating to turn on or off
|
|
* the 'binary' flag of the hash table
|
|
* $RETURNS$
|
|
* The previous value of the 'binary' flag
|
|
* $DESCRIPTION$
|
|
* This function is equivalent to HB_HBINARY() but it returns
|
|
* the old flag value rather than the hash table
|
|
* $EXAMPLES$
|
|
* LOCAL hsTable, lFlag
|
|
* hsTable := { "one" => 1, "two" => 2 }
|
|
* // turn 'binary' on for a new hash table, storing ol flag
|
|
* lFlag := hb_HBinary( hsTable, .T. )
|
|
* $TESTS$
|
|
*
|
|
* $STATUS$
|
|
* R
|
|
* $COMPLIANCE$
|
|
* H
|
|
* $PLATFORMS$
|
|
*
|
|
* $FILES$
|
|
*
|
|
* $SEEALSO$
|
|
* HB_HSETBINARY()
|
|
* $END$
|
|
*/
|
|
|
|
/* $DOC$
|
|
* $TEMPLATE$
|
|
* Function
|
|
* $NAME$
|
|
* HB_HAUTOADD()
|
|
* $CATEGORY$
|
|
* API
|
|
* $SUBCATEGORY$
|
|
* Hash table
|
|
* $ONELINER$
|
|
* Sets the 'auto add' flag for the hash table
|
|
* $SYNTAX$
|
|
* HB_HAUTOADD( <hsTable>, [<lFlag>] ) -> <lPreviousFlag>
|
|
* $ARGUMENTS$
|
|
* <hsTable> a hash table, created by HB_HASH()
|
|
*
|
|
* <lFlag> a logical value indicating to turn on or off
|
|
* the 'auto add' flag of the hash table
|
|
* $RETURNS$
|
|
* The previous value of the 'auto add' flag
|
|
* $DESCRIPTION$
|
|
* This function is equivalent to HB_HAUTOADD() but it returns
|
|
* the old flag value rather than the hash table
|
|
* $EXAMPLES$
|
|
* LOCAL hsTable, lFlag
|
|
* hsTable := { "one" => 1, "two" => 2 }
|
|
* // turn 'auto add' on for a new hash table, storing ol flag
|
|
* lFlag := hb_HAutoAdd( hsTable, .T. )
|
|
* $TESTS$
|
|
*
|
|
* $STATUS$
|
|
* R
|
|
* $COMPLIANCE$
|
|
* H
|
|
* $PLATFORMS$
|
|
*
|
|
* $FILES$
|
|
*
|
|
* $SEEALSO$
|
|
* HB_HSETAUTOADD()
|
|
* $END$
|
|
*/
|
|
|
|
/* $DOC$
|
|
* $TEMPLATE$
|
|
* Procedure
|
|
* $NAME$
|
|
* HB_HALLOCATE()
|
|
* $CATEGORY$
|
|
* API
|
|
* $SUBCATEGORY$
|
|
* Hash table
|
|
* $ONELINER$
|
|
* Preallocates a hash table
|
|
* $SYNTAX$
|
|
* HB_HALLOCATE( <hsTable>, <nItems> )
|
|
* $ARGUMENTS$
|
|
* <hsTable> a hash table, created by HB_HASH()
|
|
*
|
|
* <nItems> number of items to preallocate in the hash table
|
|
* $DESCRIPTION$
|
|
*
|
|
* $EXAMPLES$
|
|
*
|
|
* $TESTS$
|
|
*
|
|
* $STATUS$
|
|
* R
|
|
* $COMPLIANCE$
|
|
* H
|
|
* $PLATFORMS$
|
|
*
|
|
* $FILES$
|
|
*
|
|
* $SEEALSO$
|
|
*
|
|
* $END$
|
|
*/
|
|
|
|
/* $DOC$
|
|
* $TEMPLATE$
|
|
* Function
|
|
* $NAME$
|
|
* HB_HDEFAULT()
|
|
* $CATEGORY$
|
|
* API
|
|
* $SUBCATEGORY$
|
|
* Hash table
|
|
* $ONELINER$
|
|
* Returns/sets a default value for a hash table.
|
|
* $SYNTAX$
|
|
* HB_HDEFAULT( <hsTable>, <DefaultValue> ) -> <OldDefaultValye>
|
|
* $ARGUMENTS$
|
|
* <hsTable> a hash table, created by HB_HASH()
|
|
*
|
|
* <DefaultValue>
|
|
* $RETURNS$
|
|
* The previous default value assigned to the hash table
|
|
* $DESCRIPTION$
|
|
*
|
|
* $EXAMPLES$
|
|
*
|
|
* $TESTS$
|
|
*
|
|
* $STATUS$
|
|
* R
|
|
* $COMPLIANCE$
|
|
* H
|
|
* $PLATFORMS$
|
|
*
|
|
* $FILES$
|
|
*
|
|
* $SEEALSO$
|
|
* TODO: locate and list those methods that use this feature
|
|
* $END$
|
|
*/
|
|
|
|
/* $DOC$
|
|
* $TEMPLATE$
|
|
* Function
|
|
* $NAME$
|
|
* HB_HSETAUTOADD()
|
|
* $CATEGORY$
|
|
* API
|
|
* $SUBCATEGORY$
|
|
* Hash table
|
|
* $ONELINER$
|
|
* Sets the 'auto add' flag for the hash table
|
|
* $SYNTAX$
|
|
* HB_HSETAUTOADD( <hsTable>, [<lFlag>] ) -> <hsTable>
|
|
* $ARGUMENTS$
|
|
* <hsTable> a hash table, created by HB_HASH()
|
|
*
|
|
* <lFlag> a logical value indicating to turn on or off
|
|
* the 'auto add' flag of the hash table
|
|
* $RETURNS$
|
|
* The hash table
|
|
* $DESCRIPTION$
|
|
* This function is equivalent to HB_HAUTOADD() but it returns
|
|
* the passed hash table rather than the old flag value
|
|
* $EXAMPLES$
|
|
* LOCAL hsTable
|
|
* // turn 'auto add' on for a new hash table
|
|
* hsTable := hb_HSetAutoAdd( { "one" => 1, "two" => 2 }, .T. )
|
|
* $TESTS$
|
|
*
|
|
* $STATUS$
|
|
* R
|
|
* $COMPLIANCE$
|
|
* H
|
|
* $PLATFORMS$
|
|
*
|
|
* $FILES$
|
|
*
|
|
* $SEEALSO$
|
|
* HB_HAUTOADD(),HB_HSETBINARY(),HB_HSETCASEMATCH()
|
|
* $END$
|
|
*/
|
|
|
|
/* $DOC$
|
|
* $TEMPLATE$
|
|
* Function
|
|
* $NAME$
|
|
* HB_HSETCASEMATCH()
|
|
* $CATEGORY$
|
|
* API
|
|
* $SUBCATEGORY$
|
|
* Hash table
|
|
* $ONELINER$
|
|
* Sets the 'case match' flag for the hash table
|
|
* $SYNTAX$
|
|
* HB_HSETCASEMATCH( <hsTable>, [<lFlag>] ) -> <hsTable>
|
|
* $ARGUMENTS$
|
|
* <hsTable> a hash table, created by HB_HASH()
|
|
*
|
|
* <lFlag> a logical value indicating to turn on or off
|
|
* the 'case match' flag of the hash table
|
|
* $RETURNS$
|
|
* The hash table
|
|
* $DESCRIPTION$
|
|
* This function is equivalent to HB_HCASEMATCH() but it returns
|
|
* the passed hash table rather than the old flag value
|
|
* $EXAMPLES$
|
|
* LOCAL hsTable
|
|
* // turn 'case match' on for a new hash table
|
|
* hsTable := hb_HSetCaseMatch( { "one" => 1, "two" => 2 }, .T. )
|
|
* $TESTS$
|
|
*
|
|
* $STATUS$
|
|
* R
|
|
* $COMPLIANCE$
|
|
* H
|
|
* $PLATFORMS$
|
|
*
|
|
* $FILES$
|
|
*
|
|
* $SEEALSO$
|
|
* HB_HCASEMATCH(),HB_HSETAUTOADD(),HB_HSETBINARY
|
|
* $END$
|
|
*/
|
|
|
|
/* $DOC$
|
|
* $TEMPLATE$
|
|
* Function
|
|
* $NAME$
|
|
* HB_HSETBINARY()
|
|
* $CATEGORY$
|
|
* API
|
|
* $SUBCATEGORY$
|
|
* Hash table
|
|
* $ONELINER$
|
|
* Sets the 'binary' flag for the hash table
|
|
* $SYNTAX$
|
|
* HB_HSETBINARY( <hsTable>, [<lFlag>] ) -> <hsTable>
|
|
* $ARGUMENTS$
|
|
* <hsTable> a hash table, created by HB_HASH()
|
|
*
|
|
* <lFlag> a logical value indicating to turn on or off
|
|
* the 'binary' flag of the hash table
|
|
* $RETURNS$
|
|
* The hash table
|
|
* $DESCRIPTION$
|
|
* This function is equivalent to HB_HBINARY() but it returns
|
|
* the passed hash table rather than the old flag value
|
|
* $EXAMPLES$
|
|
* LOCAL hsTable
|
|
* // turn 'binary' on for a new hash table
|
|
* hsTable := hb_HSetBinary( { "one" => 1, "two" => 2 }, .T. )
|
|
* $TESTS$
|
|
*
|
|
* $STATUS$
|
|
* R
|
|
* $COMPLIANCE$
|
|
* H
|
|
* $PLATFORMS$
|
|
*
|
|
* $FILES$
|
|
*
|
|
* $SEEALSO$
|
|
* HB_HBINARY(),HB_HSETAUTOADD(),HB_HSETCASEMATCH
|
|
* $END$
|
|
*/
|