159 lines
3.4 KiB
C
159 lines
3.4 KiB
C
/*
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* PVVMUD a 3D MUD
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* Copyright (C) 1998-1999 Programvareverkstedet (pvv@pvv.org)
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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 of the License, or
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* (at your option) 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 program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "namedb.H"
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#include "crossindex.H"
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#include "exception.H"
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CNameDBItem::CNameDBItem(int id,char *name) {
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next=NULL;
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this->id=id;
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this->name=new char[strlen(name)+1];
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strcpy(this->name,name);
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}
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int CNameDB::insert(char * name) {
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CNameDBItem *newItem,*currItem,*nextItem;
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if (first == NULL){
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first = new CNameDBItem(++currentId,name);
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return currentId;
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}
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currItem = NULL;
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nextItem = first;
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while ((nextItem != NULL) && (strcmp(nextItem->getName(),name)<=0)) {
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currItem = nextItem;
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nextItem = currItem->getNext();
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}
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if ((currItem != NULL) && (strcmp(currItem->getName(),name)==0))
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return currItem->getId();
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newItem = new CNameDBItem(++currentId,name);
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newItem->setNext(nextItem);
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if (currItem == NULL) first = newItem;
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else currItem->setNext(newItem);
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return currentId;
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}
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int CNameDB::add(int id, char * name) {
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//NameDBItem_t *newItem,*currItem,*nextItem;
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CNameDBItem *newItem;
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newItem = new CNameDBItem(id,name);
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if (currentId < id ) currentId = id;
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newItem->setNext(first);
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first = newItem;
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return id;
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}
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char * CNameDB::findName(int id){
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CNameDBItem * currItem;
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currItem = first;
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while (currItem != NULL){
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if (currItem->getId() == id) return currItem->getName();
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currItem = currItem->getNext();
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}
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return NULL;
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}
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int CNameDB::findId(char * name){
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CNameDBItem * currItem;
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currItem = first;
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while (currItem != NULL){
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if (strcmp(currItem->getName(),name) == 0) return currItem->getId();
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currItem = currItem->getNext();
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}
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return -1;
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}
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void CNameDB::save(char *fileName){
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FILE * ndbFile;
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ndbFile = fopen(fileName,"w+");
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if (ndbFile == NULL) throw new CException();
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writeNDB(ndbFile);
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fclose(ndbFile);
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}
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void CNameDB::load(char *fileName){
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FILE * ndbFile;
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ndbFile = fopen(fileName,"r");
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if (ndbFile == NULL) throw new CException();
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readNDB(ndbFile);
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fclose(ndbFile);
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}
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void CNameDB::writeNDB(FILE * ndbfile){
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CNameDBItem * currItem;
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currItem = first;
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while(currItem != NULL){
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fprintf(ndbfile,"%i : %s\n",currItem->getId(),currItem->getName());
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currItem = currItem->getNext();
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}
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}
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void CNameDB::readNDB(FILE * ndbfile) {
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char name[256];
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int id;
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while (fscanf(ndbfile,"%i : %255s\n",&id,name)==2 ){
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add(id,name);
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}
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}
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CCrossIndex * CNameDB::merge(CNameDB * mergeDB){
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CCrossIndex * crossIndex;
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CNameDBItem * mergeItem;
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crossIndex = new CCrossIndex;
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mergeItem = mergeDB->getFirst();
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while (mergeItem != NULL){
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crossIndex->add(insert(mergeItem->getName()),mergeItem->getId());
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mergeItem = mergeItem->getNext();
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}
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return crossIndex;
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}
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