mirror of
https://git.code.sf.net/p/quake/quakeforge
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146 lines
2.9 KiB
C
146 lines
2.9 KiB
C
/*
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bi_string.c
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QuakeC string api
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Copyright (C) 2004 Bill Currie
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Author: Bill Currie <bill@taniwha.org>
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Date: 2004/1/6
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to:
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Free Software Foundation, Inc.
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59 Temple Place - Suite 330
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Boston, MA 02111-1307, USA
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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static __attribute__ ((used)) const char rcsid[] =
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"$Id$";
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#ifdef HAVE_STRING_H
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# include <string.h>
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#endif
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#ifdef HAVE_STRINGS_H
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# include <strings.h>
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#endif
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#include <stdlib.h>
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#include "QF/dstring.h"
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#include "QF/progs.h"
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#include "rua_internal.h"
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static void
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bi_str_new (progs_t *pr)
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{
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R_STRING (pr) = PR_NewMutableString (pr);
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}
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static void
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bi_str_free (progs_t *pr)
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{
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PR_FreeString (pr, P_STRING (pr, 0));
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}
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static void
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bi_str_copy (progs_t *pr)
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{
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dstring_t *dst = P_DSTRING (pr, 0);
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const char *src = P_GSTRING (pr, 1);
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dstring_copystr (dst, src);
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R_STRING (pr) = P_STRING (pr, 0);
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}
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static void
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bi_str_cat (progs_t *pr)
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{
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dstring_t *dst = P_DSTRING (pr, 0);
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const char *src = P_GSTRING (pr, 1);
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dstring_appendstr (dst, src);
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R_STRING (pr) = P_STRING (pr, 0);
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}
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static void
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bi_str_clear (progs_t *pr)
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{
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dstring_t *str = P_DSTRING (pr, 0);
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dstring_clearstr (str);
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R_STRING (pr) = P_STRING (pr, 0);
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}
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static void
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bi_str_mid (progs_t *pr)
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{
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const char *str = P_GSTRING (pr, 0);
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int pos = P_INT (pr, 1);
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int end = P_INT (pr, 2);
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int size = strlen (str);
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char *temp;
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if (pr->pr_argc == 2)
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end = size;
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R_STRING (pr) = 0;
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if (pos < 0)
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pos += size;
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if (end < 0)
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end += size;
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if (end > size)
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end = size;
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if (pos < 0 || pos >= size || end <= pos)
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return;
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temp = alloca (end - pos + 1);
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strncpy (temp, str + pos, end - pos);
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temp[end - pos] = 0;
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RETURN_STRING (pr, temp);
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}
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static void
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bi_str_str (progs_t *pr)
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{
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const char *haystack = P_GSTRING (pr, 0);
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const char *needle = P_GSTRING (pr, 1);
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char *res = strstr (haystack, needle);
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R_STRING (pr) = 0;
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if (res)
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R_STRING (pr) = res - pr->pr_strings;
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}
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static builtin_t builtins[] = {
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{"str_new", bi_str_new, -1},
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{"str_free", bi_str_free, -1},
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{"str_copy", bi_str_copy, -1},
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{"str_cat", bi_str_cat, -1},
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{"str_clear", bi_str_clear, -1},
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{"str_mid|*i", bi_str_mid, -1},
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{"str_mid|*ii", bi_str_mid, -1},
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{"str_str", bi_str_str, -1},
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{0}
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};
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void
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RUA_String_Init (progs_t *pr, int secure)
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{
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PR_RegisterBuiltins (pr, builtins);
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}
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