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/*
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* lftp - file transfer program
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*
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* Copyright (c) 1996-2012 by Alexander V. Lukyanov (lav@yars.free.net)
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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 3 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, see <http://www.gnu.org/licenses/>.
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*/
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#include <config.h>
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#include <stdlib.h>
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#include "trio.h"
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#include "alias.h"
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Alias *Alias::base;
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void Alias::Add(const char *alias,const char *value)
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{
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Alias **scan=&bas;;
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while(*scan)
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{
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int dif=strcasecmp((*scan)->alias,alias);
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if(dif==0)
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{
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(*scan)->value.set(value);
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return;
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}
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if(dif>0)
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break;
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scan=&((*scan)->next);
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}
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*scan=new Alias(alias,value,*scan);
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}
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void Alias::Del(const char *alias)
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{
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Alias **scan=&bas;;
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while(*scan)
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{
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int dif=strcasecmp((*scan)->alias,alias);
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if(dif==0)
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{
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Alias *tmp=(*scan)->next;
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delete *scan;
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*scan=tmp;
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return;
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}
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scan=&((*scan)->next);
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}
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}
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const char *Alias::Find(const char *alias)
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{
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Alias *scan=base;
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while(scan)
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{
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int dif=strcasecmp(scan->alias,alias);
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if(dif==0)
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return(scan->value);
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if(dif>0)
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break;
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scan=scan->next;
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}
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return 0;
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}
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char *Alias::Format()
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{
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xstring res("");
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for(Alias *scan=base; scan; scan=scan->next)
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{
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res.append("alias ");
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const char *s=scan->alias;
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while(*s)
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{
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if(strchr("\" \t\\>|",*s))
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res.append('\\');
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res.append(*s++);
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}
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res.append(' ');
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s=scan->value;
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bool par=false;
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if(*s==0 || strcspn(s," \t>|")!=strlen(s))
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par=true;
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if(par)
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res.append('"');
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while(*s)
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{
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if(strchr("\"\\",*s))
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res.append('\\');
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res.append(*s++);
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}
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if(par)
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res.append('"');
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res.append('\n');
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}
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return res.borrow();
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}
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