232 lines
4.9 KiB
C++
232 lines
4.9 KiB
C++
// This may look like C code, but it is really -*- C++ -*-
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// ------------------------------------------------------------------
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// The Goldware Library
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// Copyright (C) 1990-1999 Odinn Sorensen
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// ------------------------------------------------------------------
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Library General Public
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// License as published by the Free Software Foundation; either
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// version 2 of the License, or (at your option) any later version.
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//
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// This library 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 GNU
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// Library General Public License for more details.
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//
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// You should have received a copy of the GNU Library General Public
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// License along with this program; if not, write to the Free
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// Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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// MA 02111-1307, USA
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// ------------------------------------------------------------------
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// $Id$
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// ------------------------------------------------------------------
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// Userfile base class implementation.
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// ------------------------------------------------------------------
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#include <gfilutil.h>
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#include <gstrall.h>
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#include <gwildmat.h>
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#include <gusrbase.h>
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// ------------------------------------------------------------------
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GUser::GUser()
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{
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gufh = -1;
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found = false;
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index = 0;
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name = NULL;
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recno = 0;
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records = 0;
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recptr = NULL;
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recsize = 0;
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}
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// ------------------------------------------------------------------
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GUser::~GUser() {
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// No action
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}
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// ------------------------------------------------------------------
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void GUser::founduser() {
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index = recno;
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found = true;
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}
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// ------------------------------------------------------------------
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void GUser::inctimesposted(int) {
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// No action
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}
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// ------------------------------------------------------------------
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uint32_t GUser::lastread() {
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// No action
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return 0;
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}
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// ------------------------------------------------------------------
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void GUser::lastread(uint32_t) {
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// No action
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}
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// ------------------------------------------------------------------
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void GUser::recinit(const char* __name) {
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memset(recptr, 0, recsize);
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strcpy(name, __name);
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}
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// ------------------------------------------------------------------
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int GUser::moveto(uint __rec)
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{
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if (gufh != -1)
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{
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if(__rec <= records) {
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lseek(gufh, (long)__rec*(long)recsize, SEEK_SET);
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recno = __rec;
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return true;
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}
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}
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recno = records;
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return false;
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}
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// ------------------------------------------------------------------
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int GUser::next() {
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return moveto(++recno);
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}
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// ------------------------------------------------------------------
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int GUser::prev() {
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return moveto(--recno);
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}
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// ------------------------------------------------------------------
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void GUser::seekread()
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{
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if (gufh != -1)
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{
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lseek(gufh, (long)recno*(long)recsize, SEEK_SET);
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::read(gufh, recptr, recsize);
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}
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}
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// ------------------------------------------------------------------
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void GUser::seekwrite()
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{
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if (gufh != -1)
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{
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lseek(gufh, (long)recno*(long)recsize, SEEK_SET);
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::write(gufh, recptr, recsize);
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}
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}
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// ------------------------------------------------------------------
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int GUser::find(const char* __name, char* __result, int __wildcards) {
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// Init variables
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index = 0;
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recno = 0;
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found = false;
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// If userfile is open
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if (gufh != -1)
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{
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// Rewind file to start
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lseek(gufh, 0, SEEK_SET);
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// Get number of records in the userfile
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records = (uint)(filelength(gufh)/recsize);
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// Searching loop
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for(recno=0; recno<records; recno++) {
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// Read a user record
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if(read()) {
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// Compare our name with name in user record
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if(__wildcards) {
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// Compare for wildcard match
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if(strwild(name, __name)) {
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// Copy the name we found
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if(__result)
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strcpy(__result, name);
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founduser();
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break;
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}
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}
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else {
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// Compare for exact, case-insensitive, match
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if(strieql(name, __name)) {
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founduser();
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break;
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}
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}
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}
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}
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}
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// Report the result
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return found;
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}
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// ------------------------------------------------------------------
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int GUser::findwild(const char* __name, char* __result) {
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return find(__name, __result, true);
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}
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// ------------------------------------------------------------------
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void GUser::add(const char* __name) {
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recinit(__name);
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recno = records++;
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seekwrite();
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moveto(recno);
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read();
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founduser();
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}
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// ------------------------------------------------------------------
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