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/* 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 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include "glk/alan2/types.h"
#include "glk/alan2/params.h"
namespace Glk {
namespace Alan2 {
void compact(ParamElem a[]) {
int i, j;
for (i = 0, j = 0; a[j].code != (Aword)EOD; j++)
if (a[j].code != 0)
a[i++] = a[j];
a[i].code = (Aword)EOD;
}
int lstlen(ParamElem a[]) {
int i = 0;
while (a[i].code != (Aword)EOD)
i++;
return (i);
}
Boolean inlst(ParamElem l[], Aword e) {
int i;
for (i = 0; l[i].code != (Aword)EOD && l[i].code != e; i++);
return (l[i].code == e);
}
void lstcpy(ParamElem a[], ParamElem b[]) {
int i;
for (i = 0; b[i].code != (Aword)EOD; i++)
a[i] = b[i];
a[i].code = (Aword)EOD;
}
void sublst(ParamElem a[], ParamElem b[]) {
int i;
for (i = 0; a[i].code != (Aword)EOD; i++)
if (inlst(b, a[i].code))
a[i].code = 0; /* Mark empty */
compact(a);
}
void mrglst(ParamElem a[], ParamElem b[]) {
int i, last;
for (last = 0; a[last].code != (Aword)EOD; last++); /* Find end of list */
for (i = 0; b[i].code != (Aword)EOD; i++)
if (!inlst(a, b[i].code)) {
a[last++] = b[i];
a[last].code = (Aword)EOD;
}
}
void isect(ParamElem a[], ParamElem b[]) {
int i, last = 0;
for (i = 0; a[i].code != (Aword)EOD; i++)
if (inlst(b, a[i].code))
a[last++] = a[i];
a[last].code = (Aword)EOD;
}
void cpyrefs(ParamElem p[], Aword r[]) {
int i;
for (i = 0; r[i] != (Aword)EOD; i++) {
p[i].code = r[i];
p[i].firstWord = (Aword)EOD;
}
p[i].code = (Aword)EOD;
}
} // End of namespace Alan2
} // End of namespace Glk
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