mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-11-23 12:52:46 +00:00
131 lines
2.6 KiB
C
131 lines
2.6 KiB
C
/*
|
|
bi_string.c
|
|
|
|
CSQC string 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/zone.h"
|
|
|
|
/*
|
|
bi_String_ReplaceChar
|
|
|
|
Repalces a special character in a string with another
|
|
*/
|
|
static void
|
|
bi_String_ReplaceChar (progs_t *pr)
|
|
{
|
|
char old = P_INT (pr, 0);
|
|
char new = P_INT (pr, 1);
|
|
const char *src = P_STRING (pr, 2);
|
|
const char *s;
|
|
char *dst = Hunk_TempAlloc (strlen (src) + 1);
|
|
char *d;
|
|
|
|
for (d = dst, s = src; *s; d++, s++) {
|
|
if (*s == old)
|
|
*d = new;
|
|
else
|
|
*d = *s;
|
|
}
|
|
RETURN_STRING (pr, dst);
|
|
}
|
|
|
|
/*
|
|
bi_String_Cut
|
|
|
|
Cuts a specified part from a string
|
|
*/
|
|
static void
|
|
bi_String_Cut (progs_t *pr)
|
|
{
|
|
char pos = P_INT (pr, 0);
|
|
char len = P_INT (pr, 1);
|
|
const char *str = P_STRING (pr, 2);
|
|
char *dst = Hunk_TempAlloc ((strlen (str) - len) + 1);
|
|
int cnt;
|
|
|
|
memset (dst, 0, (strlen (str) - len) + 1);
|
|
strncpy(dst, str, pos);
|
|
str += pos;
|
|
for (cnt = 0; cnt < len; cnt++)
|
|
str++;
|
|
strcpy(dst, str);
|
|
RETURN_STRING (pr, dst);
|
|
}
|
|
|
|
/*
|
|
bi_String_Len
|
|
|
|
Gives back the length of the string
|
|
*/
|
|
static void
|
|
bi_String_Len (progs_t *pr)
|
|
{
|
|
const char *str = P_STRING (pr, 0);
|
|
|
|
R_INT (pr) = strlen(str);
|
|
}
|
|
|
|
/*
|
|
bi_String_GetChar
|
|
|
|
Gives the intervalue of a character in
|
|
a string
|
|
*/
|
|
static void
|
|
bi_String_GetChar (progs_t *pr)
|
|
{
|
|
const char *str = P_STRING (pr, 0);
|
|
int pos = P_INT (pr, 1);
|
|
int ret = 0;
|
|
|
|
if(pos > 0 && pos < strlen(str)) {
|
|
ret = (int)str[pos];
|
|
}
|
|
R_INT (pr) = ret;
|
|
}
|
|
|
|
|
|
void
|
|
String_Progs_Init (progs_t *pr)
|
|
{
|
|
PR_AddBuiltin (pr, "String_ReplaceChar", bi_String_ReplaceChar, -1);
|
|
PR_AddBuiltin (pr, "String_Cut", bi_String_Cut, -1);
|
|
PR_AddBuiltin (pr, "String_Len", bi_String_Len, -1);
|
|
PR_AddBuiltin (pr, "String_GetChar", bi_String_GetChar, -1);
|
|
}
|