mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-12-12 21:52:32 +00:00
a22c2224e0
Meaning some leaks have been plugged, and some useful functions added: loading a file (avoids polluting progs memory), setting the single character lexeme string, and getting the line number.
290 lines
6.8 KiB
C
290 lines
6.8 KiB
C
/*
|
|
rua_script.c
|
|
|
|
Script api for ruamoko
|
|
|
|
Copyright (C) 2004 Bill Currie
|
|
|
|
Author: Bill Currie
|
|
Date: 2002/11/11
|
|
|
|
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
|
|
|
|
*/
|
|
#ifdef HAVE_CONFIG_H
|
|
# include "config.h"
|
|
#endif
|
|
|
|
#include <stdlib.h>
|
|
#ifdef HAVE_STRING_H
|
|
# include <string.h>
|
|
#endif
|
|
#ifdef HAVE_STRINGS_H
|
|
# include <strings.h>
|
|
#endif
|
|
|
|
#include "QF/progs.h"
|
|
#include "QF/script.h"
|
|
|
|
#include "rua_internal.h"
|
|
|
|
typedef struct rua_script_s {
|
|
struct rua_script_s *next;
|
|
struct rua_script_s **prev;
|
|
script_t script;
|
|
char *text; // only for Script_FromFile
|
|
pr_string_t dstr;
|
|
progs_t *pr;
|
|
} rua_script_t;
|
|
|
|
typedef struct {
|
|
PR_RESMAP(rua_script_t) script_map;
|
|
rua_script_t *scripts;
|
|
} script_resources_t;
|
|
|
|
static rua_script_t *
|
|
script_new (script_resources_t *res)
|
|
{
|
|
return PR_RESNEW (res->script_map);
|
|
}
|
|
|
|
static void
|
|
script_free (script_resources_t *res, rua_script_t *script)
|
|
{
|
|
PR_RESFREE (res->script_map, script);
|
|
}
|
|
|
|
static void
|
|
script_reset (script_resources_t *res)
|
|
{
|
|
PR_RESRESET (res->script_map);
|
|
}
|
|
|
|
static inline rua_script_t *
|
|
script_get (script_resources_t *res, int index)
|
|
{
|
|
return PR_RESGET(res->script_map, index);
|
|
}
|
|
|
|
static inline int __attribute__((pure))
|
|
script_index (script_resources_t *res, rua_script_t *script)
|
|
{
|
|
return PR_RESINDEX(res->script_map, script);
|
|
}
|
|
|
|
static void
|
|
bi_script_clear (progs_t *pr, void *_res)
|
|
{
|
|
script_resources_t *res = (script_resources_t *) _res;
|
|
for (rua_script_t *s = res->scripts; s; s = s->next) {
|
|
free ((char *) s->script.single);
|
|
free (s->text);
|
|
}
|
|
res->scripts = 0;
|
|
script_reset (res);
|
|
}
|
|
|
|
static void
|
|
bi_script_destroy (progs_t *pr, void *_res)
|
|
{
|
|
free (_res);
|
|
}
|
|
|
|
static void
|
|
bi_Script_New (progs_t *pr, void *_res)
|
|
{
|
|
script_resources_t *res = _res;
|
|
rua_script_t *script = script_new (res);
|
|
|
|
if (!script)
|
|
PR_RunError (pr, "out of memory");
|
|
|
|
script->dstr = PR_NewMutableString (pr);
|
|
script->script.token = PR_GetMutableString (pr, script->dstr);
|
|
script->pr = pr;
|
|
script->next = res->scripts;
|
|
script->prev = &res->scripts;
|
|
if (res->scripts) {
|
|
res->scripts->prev = &script->next;
|
|
}
|
|
res->scripts = script;
|
|
R_INT (pr) = script_index (res, script);
|
|
}
|
|
|
|
static void
|
|
bi_Script_Delete (progs_t *pr, void *_res)
|
|
{
|
|
script_resources_t *res = _res;
|
|
rua_script_t *script = script_get (res, P_INT (pr, 0));
|
|
|
|
if (!script)
|
|
PR_RunError (pr, "invalid script handle");
|
|
PR_FreeString (pr, script->dstr);
|
|
free ((char *) script->script.single);
|
|
free (script->text);
|
|
if (script->next) {
|
|
script->next->prev = script->prev;
|
|
}
|
|
*script->prev = script->next;
|
|
script_free (res, script);
|
|
}
|
|
|
|
static void
|
|
bi_Script_Start (progs_t *pr, void *_res)
|
|
{
|
|
script_resources_t *res = _res;
|
|
rua_script_t *script = script_get (res, P_INT (pr, 0));
|
|
|
|
if (!script)
|
|
PR_RunError (pr, "invalid script handle");
|
|
Script_Start (&script->script, P_GSTRING (pr, 1), P_GSTRING (pr, 2));
|
|
R_STRING (pr) = script->dstr;
|
|
}
|
|
|
|
static void
|
|
bi_Script_FromFile (progs_t *pr, void *_res)
|
|
{
|
|
script_resources_t *res = _res;
|
|
rua_script_t *script = script_get (res, P_INT (pr, 0));
|
|
if (!script)
|
|
PR_RunError (pr, "invalid script handle");
|
|
QFile *file = QFile_GetFile (pr, P_INT (pr, 2));
|
|
long offset;
|
|
long size;
|
|
long len;
|
|
|
|
offset = Qtell (file);
|
|
size = Qfilesize (file);
|
|
len = size - offset;
|
|
script->text = malloc (len + 1);
|
|
Qread (file, script->text, len);
|
|
script->text[len] = 0;
|
|
|
|
Script_Start (&script->script, P_GSTRING (pr, 1), script->text);
|
|
R_STRING (pr) = script->dstr;
|
|
}
|
|
|
|
static void
|
|
bi_Script_TokenAvailable (progs_t *pr, void *_res)
|
|
{
|
|
script_resources_t *res = _res;
|
|
rua_script_t *script = script_get (res, P_INT (pr, 0));
|
|
|
|
if (!script)
|
|
PR_RunError (pr, "invalid script handle");
|
|
R_INT (pr) = Script_TokenAvailable (&script->script, P_INT (pr, 1));
|
|
}
|
|
|
|
static void
|
|
bi_Script_GetToken (progs_t *pr, void *_res)
|
|
{
|
|
script_resources_t *res = _res;
|
|
rua_script_t *script = script_get (res, P_INT (pr, 0));
|
|
|
|
if (!script)
|
|
PR_RunError (pr, "invalid script handle");
|
|
R_INT (pr) = Script_GetToken (&script->script, P_INT (pr, 1));
|
|
}
|
|
|
|
static void
|
|
bi_Script_UngetToken (progs_t *pr, void *_res)
|
|
{
|
|
script_resources_t *res = _res;
|
|
rua_script_t *script = script_get (res, P_INT (pr, 0));
|
|
|
|
if (!script)
|
|
PR_RunError (pr, "invalid script handle");
|
|
Script_UngetToken (&script->script);
|
|
}
|
|
|
|
static void
|
|
bi_Script_Error (progs_t *pr, void *_res)
|
|
{
|
|
script_resources_t *res = _res;
|
|
rua_script_t *script = script_get (res, P_INT (pr, 0));
|
|
|
|
if (!script)
|
|
PR_RunError (pr, "invalid script handle");
|
|
RETURN_STRING (pr, script->script.error);
|
|
script->script.error = 0;
|
|
}
|
|
|
|
static void
|
|
bi_Script_NoQuoteLines (progs_t *pr, void *_res)
|
|
{
|
|
script_resources_t *res = _res;
|
|
rua_script_t *script = script_get (res, P_INT (pr, 0));
|
|
|
|
if (!script)
|
|
PR_RunError (pr, "invalid script handle");
|
|
R_INT (pr) = script->script.no_quote_lines;
|
|
script->script.no_quote_lines = P_INT (pr, 1);
|
|
}
|
|
|
|
static void
|
|
bi_Script_SetSingle (progs_t *pr, void *_res)
|
|
{
|
|
script_resources_t *res = _res;
|
|
rua_script_t *script = script_get (res, P_INT (pr, 0));
|
|
if (!script)
|
|
PR_RunError (pr, "invalid script handle");
|
|
free ((char *) script->script.single);
|
|
script->script.single = 0;
|
|
const char *single = P_GSTRING (pr, 1);
|
|
if (single) {
|
|
script->script.single = strdup (single);
|
|
}
|
|
}
|
|
|
|
static void
|
|
bi_Script_GetLine (progs_t *pr, void *_res)
|
|
{
|
|
script_resources_t *res = _res;
|
|
rua_script_t *script = script_get (res, P_INT (pr, 0));
|
|
if (!script)
|
|
PR_RunError (pr, "invalid script handle");
|
|
R_INT (pr) = script->script.line;
|
|
}
|
|
|
|
#define bi(x,np,params...) {#x, bi_##x, -1, np, {params}}
|
|
#define p(type) PR_PARAM(type)
|
|
static builtin_t builtins[] = {
|
|
bi(Script_New, 0),
|
|
bi(Script_Delete, 1, p(ptr)),
|
|
bi(Script_Start, 3, p(ptr), p(string), p(string)),
|
|
bi(Script_FromFile, 3, p(ptr), p(string), p(ptr)),
|
|
bi(Script_TokenAvailable, 2, p(ptr), p(int)),
|
|
bi(Script_GetToken, 2, p(ptr), p(int)),
|
|
bi(Script_UngetToken, 1, p(ptr)),
|
|
bi(Script_Error, 1, p(ptr)),
|
|
bi(Script_NoQuoteLines, 1, p(ptr)),
|
|
bi(Script_SetSingle, 2, p(ptr), p(string)),
|
|
bi(Script_GetLine, 1, p(ptr)),
|
|
{0}
|
|
};
|
|
|
|
void
|
|
RUA_Script_Init (progs_t *pr, int secure)
|
|
{
|
|
script_resources_t *res = calloc (1, sizeof (script_resources_t));
|
|
|
|
PR_Resources_Register (pr, "Script", res, bi_script_clear,
|
|
bi_script_destroy);
|
|
PR_RegisterBuiltins (pr, builtins, res);
|
|
}
|