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/*
Copyright (C) 2005-2009 Michel de Boer <michel@twinklephone.com>
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; either version 2 of the License, or
(at your option) any later version.
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; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
// Base class for message and response headers
#ifndef _HEADER_H
#define _HEADER_H
#include <string>
using namespace std;
class t_header {
private:
t_header();
protected:
bool populated; // true = header is populated
string header_name; // Full name of header in SIP messages
string compact_name; // Compact name of header in SIP messages
public:
virtual ~t_header() {}
t_header(const string &_header_name, const string &_compact_name = "");
// Return the text encoded header (CRLF at end of string)
virtual string encode(void) const;
// Return the text encoded value part (no CRLF at end of string)
virtual string encode_value(void) const = 0;
// Return a environemnt variable setting
// The format of the setting is:
//
// SIP_<header name>=<value>
//
// The header name is in capitals. Dashes are replaced by underscores.
virtual string encode_env(void) const;
// Get the header name
string get_name(void) const;
// Get text encoding of the header value only.
// I.e. without header name and no trailing CRLF
string get_value(void) const;
// Return true if the header is populated
bool is_populated(void) const;
};
#endif
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