mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-11-06 05:01:26 +00:00
147 lines
3.1 KiB
C
147 lines
3.1 KiB
C
/*
|
|
bi_file.c
|
|
|
|
CSQC file builtins
|
|
|
|
Copyright (C) 1996-1997 Id Software, Inc.
|
|
|
|
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:
|
|
|
|
Free Software Foundation, Inc.
|
|
59 Temple Place - Suite 330
|
|
Boston, MA 02111-1307, USA
|
|
|
|
*/
|
|
static const char rcsid[] =
|
|
"$Id$";
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
# include "config.h"
|
|
#endif
|
|
|
|
#ifdef HAVE_STRING_H
|
|
# include <string.h>
|
|
#endif
|
|
#ifdef HAVE_STRINGS_H
|
|
# include <strings.h>
|
|
#endif
|
|
|
|
#include "QF/progs.h"
|
|
#include "QF/va.h"
|
|
#include "QF/vfs.h"
|
|
#include "QF/zone.h"
|
|
|
|
#define MAX_HANDLES 20
|
|
static VFile *handles[MAX_HANDLES];
|
|
|
|
static void
|
|
bi_File_Open (progs_t *pr)
|
|
{
|
|
const char *pth = G_STRING (pr, OFS_PARM0);
|
|
const char *mode = G_STRING (pr, OFS_PARM1);
|
|
char *path= Hunk_TempAlloc (strlen (pth) + 1);
|
|
char *p, *d;
|
|
int h;
|
|
|
|
for (d = path; *pth; d++, pth++) {
|
|
if (*pth == '\\')
|
|
*d = '/';
|
|
else
|
|
*d = *pth;
|
|
}
|
|
*d = 0;
|
|
|
|
p = path;
|
|
while (*p) {
|
|
if (p[0] == '.') {
|
|
if (p[1] == '.') {
|
|
if (p[2] == '/' || p[2] == 0) {
|
|
d = p;
|
|
if (d > path)
|
|
d--;
|
|
while (d > path && d[-1] != '/')
|
|
d--;
|
|
if (d == path
|
|
&& d[0] == '.' && d[1] == '.'
|
|
&& (d[2] == '/' || d[2] == '0')) {
|
|
p += 2 + (p[2] == '/');
|
|
continue;
|
|
}
|
|
strcpy (d, p + 2 + (p[2] == '/'));
|
|
p = d + (d != path);
|
|
}
|
|
} else if (p[1] == '/') {
|
|
strcpy (p, p + 2);
|
|
continue;
|
|
} else if (p[1] == 0) {
|
|
p[0] = 0;
|
|
}
|
|
}
|
|
while (*p && *p != '/')
|
|
p++;
|
|
if (*p == '/')
|
|
p++;
|
|
}
|
|
//printf ("'%s' '%s'\n", G_STRING (pr, OFS_PARM0), path);
|
|
if (!path[0])
|
|
goto error;
|
|
if (path[0] == '.' && path[1] == '.' && (path[2] == '/' || path [2] == 0))
|
|
goto error;
|
|
if (path[strlen (path) - 1] =='/')
|
|
goto error;
|
|
for (h = 0; h < MAX_HANDLES && handles[h]; h++)
|
|
;
|
|
if (h == MAX_HANDLES)
|
|
goto error;
|
|
if (!(handles[h] = Qopen (va ("%s/%s", com_gamedir, path), mode)))
|
|
goto error;
|
|
G_INT (pr, OFS_RETURN) = h + 1;
|
|
return;
|
|
error:
|
|
G_INT (pr, OFS_RETURN) = 0;
|
|
}
|
|
|
|
static void
|
|
bi_File_Close (progs_t *pr)
|
|
{
|
|
int h = G_INT (pr, OFS_PARM0) - 1;
|
|
|
|
if (h < 0 || h >= MAX_HANDLES || !handles[h])
|
|
return;
|
|
Qclose (handles[h]);
|
|
handles[h] = 0;
|
|
}
|
|
|
|
static void
|
|
bi_File_GetLine (progs_t *pr)
|
|
{
|
|
int h = G_INT (pr, OFS_PARM0) - 1;
|
|
const char *s;
|
|
|
|
if (h < 0 || h >= MAX_HANDLES || !handles[h]) {
|
|
G_INT (pr, OFS_RETURN) = 0;
|
|
return;
|
|
}
|
|
s = Qgetline (handles[h]);
|
|
RETURN_STRING (pr, s);
|
|
}
|
|
|
|
void
|
|
File_Progs_Init (progs_t *pr)
|
|
{
|
|
PR_AddBuiltin (pr, "File_Open", bi_File_Open, -1);
|
|
PR_AddBuiltin (pr, "File_Close", bi_File_Close, -1);
|
|
PR_AddBuiltin (pr, "File_GetLine", bi_File_GetLine, -1);
|
|
}
|