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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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#ifndef BENCODE_H
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#define BENCODE_H
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#include "xmap.h"
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#include "buffer.h"
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class BeNode
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{
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void PackDict(xstring &buf;;
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public:
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enum be_type_t {
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BE_STR,
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BE_INT,
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BE_LIST,
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BE_DICT
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} type;
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xstring str;
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xstring str_lc;
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xarray_p<BeNode> list;
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xmap_p<BeNode> dict;
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long long num;
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static BeNode *Parse(const char *s,int len,int *rest);
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BeNode(const xstring& s);
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BeNode(const char *s,int l);
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BeNode(const char *s);
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BeNode(xarray_p<BeNode> *l);
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BeNode(xmap_p<BeNode> *d);
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BeNode(long long);
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~BeNode();
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BeNode *lookup(const char *key) {
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return dict.lookup(key);
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}
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BeNode *lookup(const char *key,be_type_t t) {
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BeNode *n=dict.lookup(key);
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if(n && n->type!=t)
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n=0;
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return n;
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}
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const xstring& lookup_str(const char *key) const {
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BeNode *n=dict.lookup(key);
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if(!n || n->type!=BE_STR)
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return xstring::null;
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return n->str;
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}
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long long lookup_int(const char *key) const {
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BeNode *n=dict.lookup(key);
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if(!n || n->type!=BE_INT)
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return 0;
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return n->num;
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}
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int ComputeLength();
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const xstring& Pack();
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void Pack(xstring &buf;;
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void Pack(const SMTaskRef<IOBuffer> &buf;;
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void Format(xstring &buf,int level);
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const char *Format();
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void Format1(xstring &buf;;
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const char *Format1();
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static const char *TypeName(be_type_t t);
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};
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#endif//BENCODE_H
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