home *** CD-ROM | disk | FTP | other *** search
- {
- GPC demo program. How to hash strings using the StringUtils unit.
-
- Copyright (C) 2000-2001 Free Software Foundation, Inc.
-
- Author: Frank Heckenbach <frank@pascal.gnu.de>
-
- This program is free software; you can redistribute it and/or
- modify it under the terms of the GNU General Public License as
- published by the Free Software Foundation, version 2.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; see the file COPYING. If not, write to
- the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA.
-
- As a special exception, if you incorporate even large parts of the
- code of this demo program into another program with substantially
- different functionality, this does not cause the other program to
- be covered by the GNU General Public License. This exception does
- not however invalidate any other reasons why it might be covered
- by the GNU General Public License.
- }
-
- program StringHashDemo;
-
- uses GPC, StringUtils;
-
- var
- HashTable : PStrHashTable;
- n : Integer;
- s : TString;
-
- begin
- Writeln ('String hash demo');
- Write ('Case sensitive? ');
- Readln (s);
- HashTable := NewStrHashTable (DefaultHashSize, (s <> '') and (LoCase (s [1]) = 'y'));
- Writeln ('Enter some strings to store (empty string when finished).');
- n := 0;
- repeat
- Inc (n);
- Write ('#', n, ': ');
- Readln (s);
- if s <> '' then AddStrHashTable (HashTable, s, n, nil)
- until s = '';
- Writeln ('Now enter some strings to search (empty string when finished).');
- repeat
- Readln (s);
- if s <> '' then
- begin
- n := SearchStrHashTable (HashTable, s, null);
- if n = 0 then
- Writeln ('String not found.')
- else
- Writeln ('String was entered at #', n)
- end
- until s = '';
- DisposeStrHashTable (HashTable)
- end.
-