cdesktopenv/cde/lib/DtMmdb/object/oid_t.h

159 lines
4.5 KiB
C++

/*
* CDE - Common Desktop Environment
*
* Copyright (c) 1993-2012, The Open Group. All rights reserved.
*
* These libraries and programs are free software; you can
* redistribute them and/or modify them under the terms of the GNU
* Lesser General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* These libraries and programs are distributed in the hope that
* they will be useful, but WITHOUT ANY WARRANTY; without even the
* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with these libraries and programs; if not, write
* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
* Floor, Boston, MA 02110-1301 USA
*/
/*
* $XConsortium: oid_t.h /main/6 1996/08/21 15:52:31 drk $
*
* Copyright (c) 1992 HAL Computer Systems International, Ltd.
* All rights reserved. Unpublished -- rights reserved under
* the Copyright Laws of the United States. USE OF A COPYRIGHT
* NOTICE IS PRECAUTIONARY ONLY AND DOES NOT IMPLY PUBLICATION
* OR DISCLOSURE.
*
* THIS SOFTWARE CONTAINS CONFIDENTIAL INFORMATION AND TRADE
* SECRETS OF HAL COMPUTER SYSTEMS INTERNATIONAL, LTD. USE,
* DISCLOSURE, OR REPRODUCTION IS PROHIBITED WITHOUT THE
* PRIOR EXPRESS WRITTEN PERMISSION OF HAL COMPUTER SYSTEMS
* INTERNATIONAL, LTD.
*
* RESTRICTED RIGHTS LEGEND
* Use, duplication, or disclosure by the Government is subject
* to the restrictions as set forth in subparagraph (c)(l)(ii)
* of the Rights in Technical Data and Computer Software clause
* at DFARS 252.227-7013.
*
* HAL COMPUTER SYSTEMS INTERNATIONAL, LTD.
* 1315 Dell Avenue
* Campbell, CA 95008
*
*/
#ifndef _oid_t_h
#define _oid_t_h 1
#ifdef C_API
#include "utility/c_stringstream.h"
#else
#include <sstream>
#endif
#include "utility/funcs.h"
#include "utility/buffer.h"
typedef unsigned short e_code_t;
typedef unsigned short c_code_t;
typedef mmdb_pos_t i_code_t;
#define OID_T_SZ (sizeof(i_code_t))
#define ORDER_SWAP_I_CODE_T(x) ORDER_SWAP(i_code_t, x)
/*************************************
// class code root
**************************************/
class oid_t
{
public:
oid_t() : v_c_code(0), v_i_code(0), v_e_code(0) {};
oid_t(c_code_t c, i_code_t i) : v_c_code(c), v_i_code(i), v_e_code(0) {};
oid_t(const char* source, Boolean ascii_format, Boolean swap_order);
oid_t(const oid_t& x) :
v_c_code(x.v_c_code), v_i_code(x.v_i_code), v_e_code(x.v_e_code) {};
~oid_t() {};
// oid_t equal and less test
Boolean eq(const oid_t&) const;
Boolean ls(const oid_t&) const;
bool operator==(const oid_t& arg) const { return eq(arg); };
// class code, oid type and instance code export functions
const c_code_t ccode() const { return v_c_code; } ;
const i_code_t& icode() const { return v_i_code; } ;
static unsigned hash(const oid_t&);
// in/out functions
io_status asciiIn(istream&) ;
io_status asciiOut(ostream&) const;
io_status _asciiIn(istream&) ; // a version of asciiIn that does not
// eat the trailing '\n'
friend ostream& operator<<(ostream&, const oid_t&) ;
// compacted disk representation In and Out functions
int cdr_sizeof();
io_status cdrOut(buffer&);
io_status cdrIn(buffer&, c_code_t c_code_to_use = 0);
// out to char strings
void to_char_string(char* sink, Boolean swap_order) const;
friend class root;
friend class oid;
friend class desc;
friend class dl_list_cell;
friend class dl_list;
friend class compressed_pstring;
friend class service_mgr_t;
friend class storage_mgr_t;
friend class handler;
friend class smart_ptr;
friend class template_mgr_t;
protected:
void become(const oid_t& x) {
v_e_code = x.v_e_code;
v_c_code = x.v_c_code;
v_i_code = x.v_i_code;
};
void set_c_code(c_code_t c) {
v_c_code = c;
}
void set_i_code(i_code_t i) {
v_i_code = i;
}
void set_e_code(e_code_t e) {
v_e_code = e;
}
protected:
c_code_t v_c_code; // class code
i_code_t v_i_code; // instance code
e_code_t v_e_code; // extended code. Not used within this class.
// for using extra space purpose.
};
typedef oid_t* oid_tPtr;
#ifdef C_API
extern oid_t* ground_ptr;
#define ground (*ground_ptr)
#else
extern oid_t ground;
#endif
#endif