Files
scummvm-cursorfix/engines/glk/tads/tads2/data.cpp
2026-02-02 04:50:13 +01:00

74 lines
1.9 KiB
C++

/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*
*/
#include "glk/tads/tads2/data.h"
#include "glk/tads/tads2/lib.h"
#include "glk/tads/tads2/run.h"
#include "glk/tads/tads2/vocabulary.h"
#include "glk/tads/os_glk.h"
#include "common/algorithm.h"
namespace Glk {
namespace TADS {
namespace TADS2 {
/* return size of a data value */
uint datsiz(dattyp typ, const void *val)
{
switch(typ)
{
case DAT_NUMBER:
return(4); /* numbers are in 4-byte lsb-first format */
case DAT_OBJECT:
return(2); /* object numbers are in 2-byte lsb-first format */
case DAT_SSTRING:
case DAT_DSTRING:
case DAT_LIST:
return(osrp2((const char *)val));
case DAT_NIL:
case DAT_TRUE:
return(0);
case DAT_PROPNUM:
case DAT_SYN:
case DAT_FNADDR:
case DAT_REDIR:
return(2);
case DAT_TPL:
/* template is counted array of 10-byte entries, plus length byte */
return(1 + ((*(const uchar *)val) * VOCTPLSIZ));
case DAT_TPL2:
return(1 + ((*(const uchar *)val) * VOCTPL2SIZ));
default:
return(0);
}
}
} // End of namespace TADS2
} // End of namespace TADS
} // End of namespace Glk