quakeforge/libs/ruamoko/rua_plist.c

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/*
bi_plist.c
QuakeC plist api
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Copyright (C) 2003 Bill Currie
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Author: Bill Currie <bill@taniwha.org>
Date: 2003/4/7
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
#ifdef HAVE_STRING_H
# include <string.h>
#endif
#ifdef HAVE_STRINGS_H
# include <strings.h>
#endif
#include <stdlib.h>
#include "QF/hash.h"
#include "QF/plist.h"
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#include "QF/progs.h"
#include "rua_internal.h"
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#define always_inline inline __attribute__((__always_inline__))
typedef struct bi_plist_s {
struct bi_plist_s *next;
struct bi_plist_s **prev;
plitem_t *plitem;
int users;
} bi_plist_t;
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typedef struct {
PR_RESMAP (bi_plist_t) plist_map;
bi_plist_t *plists;
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} plist_resources_t;
static bi_plist_t *
plist_new (plist_resources_t *res)
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{
return PR_RESNEW (res->plist_map);
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}
static void
plist_free (plist_resources_t *res, bi_plist_t *plist)
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{
PR_RESFREE (res->plist_map, plist);
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}
static void
plist_reset (plist_resources_t *res)
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{
PR_RESRESET (res->plist_map);
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}
static inline bi_plist_t *
plist_get (plist_resources_t *res, unsigned index)
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{
return PR_RESGET(res->plist_map, index);
}
static inline int __attribute__((pure))
plist_index (plist_resources_t *res, bi_plist_t *plist)
{
return PR_RESINDEX(res->plist_map, plist);
}
static void
bi_plist_clear (progs_t *pr, void *_res)
{
plist_resources_t *res = (plist_resources_t *) _res;
bi_plist_t *plist;
for (plist = res->plists; plist; plist = plist->next) {
PL_Release (plist->plitem);
}
res->plists = 0;
plist_reset (res);
}
static void
bi_plist_destroy (progs_t *pr, void *_res)
{
__auto_type res = (plist_resources_t *) _res;
PR_RESDELMAP (res->plist_map);
free (res);
}
static inline int
plist_handle (plist_resources_t *res, plitem_t *plitem)
{
bi_plist_t *plist = PL_GetUserData (plitem);
if (plist)
return plist_index (res, plist);
plist = plist_new (res);
if (!plist)
return 0;
plist->next = res->plists;
plist->prev = &res->plists;
if (res->plists)
res->plists->prev = &plist->next;
res->plists = plist;
PL_Retain (plitem);
plist->plitem = plitem;
PL_SetUserData (plitem, plist);
return plist_index (res, plist);
}
static inline void
plist_free_handle (plist_resources_t *res, bi_plist_t *plist)
{
PL_SetUserData (plist->plitem, 0);
PL_Release (plist->plitem);
*plist->prev = plist->next;
if (plist->next)
plist->next->prev = plist->prev;
plist_free (res, plist);
}
static always_inline bi_plist_t * __attribute__((pure))
get_plist (progs_t *pr, plist_resources_t *res, const char *name, int handle)
{
bi_plist_t *plist = plist_get (res, handle);
// plist->prev will be null if the handle is unallocated
if (!plist || !plist->prev)
PR_RunError (pr, "invalid plist passed to %s", name + 3);
return plist;
}
static inline int
plist_retain (plist_resources_t *res, plitem_t *plitem)
{
int handle;
if (!plitem)
return 0;
handle = plist_handle (res, plitem);
if (!handle) {
// we're taking ownership of the plitem, but we have nowhere to store
// it, so we have to lose it. However, in this situation, we have worse
// things to worry about.
PL_Release (plitem);
return 0;
}
return handle;
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}
static void
bi_pl_getfromfile (progs_t *pr, plist_resources_t *res,
plitem_t *get (const char *, struct hashctx_s **))
{
QFile *file = QFile_GetFile (pr, P_INT (pr, 0));
plitem_t *plitem;
long offset;
long size;
long len;
char *buf;
offset = Qtell (file);
size = Qfilesize (file);
len = size - offset;
buf = malloc (len + 1);
Qread (file, buf, len);
buf[len] = 0;
plitem = get (buf, pr->hashctx);
free (buf);
R_INT (pr) = plist_retain (res, plitem);
}
static void
bi_pl_get (progs_t *pr, plist_resources_t *res,
plitem_t *get (const char *, struct hashctx_s **))
{
plitem_t *plitem = get (P_GSTRING (pr, 0), pr->hashctx);
R_INT (pr) = plist_retain (res, plitem);
}
static void
bi_PL_GetFromFile (progs_t *pr, void *_res)
{
plist_resources_t *res = _res;
bi_pl_getfromfile (pr, res, PL_GetPropertyList);
}
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static void
bi_PL_GetPropertyList (progs_t *pr, void *_res)
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{
plist_resources_t *res = _res;
bi_pl_get (pr, res, PL_GetPropertyList);
}
static void
bi_PL_GetDictionaryFromFile (progs_t *pr, void *_res)
{
plist_resources_t *res = _res;
bi_pl_getfromfile (pr, res, PL_GetDictionary);
}
static void
bi_PL_GetDictionary (progs_t *pr, void *_res)
{
plist_resources_t *res = _res;
bi_pl_get (pr, res, PL_GetDictionary);
}
static void
bi_PL_GetArrayFromFile (progs_t *pr, void *_res)
{
plist_resources_t *res = _res;
bi_pl_getfromfile (pr, res, PL_GetArray);
}
static void
bi_PL_GetArray (progs_t *pr, void *_res)
{
plist_resources_t *res = _res;
bi_pl_get (pr, res, PL_GetArray);
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}
static void
bi_PL_WritePropertyList (progs_t *pr, void *_res)
{
plist_resources_t *res = _res;
int handle = P_INT (pr, 0);
bi_plist_t *plist = get_plist (pr, res, __FUNCTION__, handle);
char *pl = PL_WritePropertyList (plist->plitem);
R_STRING (pr) = PR_SetDynamicString (pr, pl);
free (pl);
}
static void
bi_PL_Type (progs_t *pr, void *_res)
{
plist_resources_t *res = _res;
int handle = P_INT (pr, 0);
bi_plist_t *plist = get_plist (pr, res, __FUNCTION__, handle);
R_INT (pr) = PL_Type (plist->plitem);
}
static void
bi_PL_Line (progs_t *pr, void *_res)
{
plist_resources_t *res = _res;
int handle = P_INT (pr, 0);
bi_plist_t *plist = get_plist (pr, res, __FUNCTION__, handle);
R_INT (pr) = PL_Line (plist->plitem);
}
static void
bi_PL_String (progs_t *pr, void *_res)
{
plist_resources_t *res = _res;
int handle = P_INT (pr, 0);
bi_plist_t *plist = get_plist (pr, res, __FUNCTION__, handle);
const char *str = PL_String (plist->plitem);
RETURN_STRING (pr, str);
}
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static void
bi_PL_ObjectForKey (progs_t *pr, void *_res)
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{
plist_resources_t *res = _res;
int handle = P_INT (pr, 0);
bi_plist_t *plist = get_plist (pr, res, __FUNCTION__, handle);
const char *key = P_GSTRING (pr, 1);
plitem_t *plitem = PL_ObjectForKey (plist->plitem, key);
R_INT (pr) = 0;
if (!plitem)
return;
R_INT (pr) = plist_handle (res, plitem);
}
static void
bi_PL_RemoveObjectForKey (progs_t *pr, void *_res)
{
plist_resources_t *res = _res;
int handle = P_INT (pr, 0);
bi_plist_t *plist = get_plist (pr, res, __FUNCTION__, handle);
const char *key = P_GSTRING (pr, 1);
PL_RemoveObjectForKey (plist->plitem, key);
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}
static void
bi_PL_ObjectAtIndex (progs_t *pr, void *_res)
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{
plist_resources_t *res = _res;
int handle = P_INT (pr, 0);
bi_plist_t *plist = get_plist (pr, res, __FUNCTION__, handle);
int ind = P_INT (pr, 1);
plitem_t *plitem = PL_ObjectAtIndex (plist->plitem, ind);
R_INT (pr) = 0;
if (!plitem)
return;
R_INT (pr) = plist_handle (res, plitem);
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}
static void
bi_PL_D_AllKeys (progs_t *pr, void *_res)
{
plist_resources_t *res = _res;
int handle = P_INT (pr, 0);
bi_plist_t *plist = get_plist (pr, res, __FUNCTION__, handle);
plitem_t *plitem = PL_D_AllKeys (plist->plitem);
R_INT (pr) = plist_retain (res, plitem);
}
static void
bi_PL_D_NumKeys (progs_t *pr, void *_res)
{
plist_resources_t *res = _res;
int handle = P_INT (pr, 0);
bi_plist_t *plist = get_plist (pr, res, __FUNCTION__, handle);
R_INT (pr) = PL_D_NumKeys (plist->plitem);
}
static void
bi_PL_KeyAtIndex (progs_t *pr, void *_res)
{
plist_resources_t *res = _res;
int handle = P_INT (pr, 0);
int index = P_INT (pr, 1);
bi_plist_t *plist = get_plist (pr, res, __FUNCTION__, handle);
const char *key = PL_KeyAtIndex (plist->plitem, index);
RETURN_STRING (pr, key);
}
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static void
bi_PL_D_AddObject (progs_t *pr, void *_res)
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{
plist_resources_t *res = _res;
int dict_handle = P_INT (pr, 0);
int obj_handle = P_INT (pr, 2);
bi_plist_t *dict = get_plist (pr, res, __FUNCTION__, dict_handle);
const char *key = P_GSTRING (pr, 1);
bi_plist_t *obj = get_plist (pr, res, __FUNCTION__, obj_handle);
R_INT (pr) = PL_D_AddObject (dict->plitem, key, obj->plitem);
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}
static void
bi_PL_A_AddObject (progs_t *pr, void *_res)
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{
plist_resources_t *res = _res;
int arr_handle = P_INT (pr, 0);
int obj_handle = P_INT (pr, 1);
bi_plist_t *arr = get_plist (pr, res, __FUNCTION__, arr_handle);
bi_plist_t *obj = get_plist (pr, res, __FUNCTION__, obj_handle);
R_INT (pr) = PL_A_AddObject (arr->plitem, obj->plitem);
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}
static void
bi_PL_A_NumObjects (progs_t *pr, void *_res)
{
plist_resources_t *res = _res;
int handle = P_INT (pr, 0);
bi_plist_t *plist = get_plist (pr, res, __FUNCTION__, handle);
R_INT (pr) = PL_A_NumObjects (plist->plitem);
}
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static void
bi_PL_A_InsertObjectAtIndex (progs_t *pr, void *_res)
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{
plist_resources_t *res = _res;
int dict_handle = P_INT (pr, 0);
int obj_handle = P_INT (pr, 1);
bi_plist_t *arr = get_plist (pr, res, __FUNCTION__, dict_handle);
bi_plist_t *obj = get_plist (pr, res, __FUNCTION__, obj_handle);
int ind = P_INT (pr, 2);
R_INT (pr) = PL_A_InsertObjectAtIndex (arr->plitem, obj->plitem, ind);
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}
static void
bi_PL_RemoveObjectAtIndex (progs_t *pr, void *_res)
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{
plist_resources_t *res = _res;
int handle = P_INT (pr, 0);
bi_plist_t *plist = get_plist (pr, res, __FUNCTION__, handle);
int ind = P_INT (pr, 1);
PL_RemoveObjectAtIndex (plist->plitem, ind);
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}
static void
bi_PL_NewDictionary (progs_t *pr, void *_res)
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{
plist_resources_t *res = _res;
plitem_t *plitem = PL_NewDictionary (pr->hashctx);
R_INT (pr) = plist_retain (res, plitem);
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}
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static void
bi_PL_NewArray (progs_t *pr, void *_res)
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{
plist_resources_t *res = _res;
plitem_t *plitem = PL_NewArray ();
R_INT (pr) = plist_retain (res, plitem);
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}
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static void
bi_PL_NewData (progs_t *pr, void *_res)
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{
//FIXME not safe
plist_resources_t *res = _res;
plitem_t *plitem = PL_NewData (P_GPOINTER (pr, 0), P_INT (pr, 1));
R_INT (pr) = plist_retain (res, plitem);
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}
static void
bi_PL_NewString (progs_t *pr, void *_res)
{
plist_resources_t *res = _res;
plitem_t *plitem = PL_NewString (P_GSTRING (pr, 0));
R_INT (pr) = plist_retain (res, plitem);
}
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static void
bi_PL_Release (progs_t *pr, void *_res)
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{
plist_resources_t *res = _res;
int handle = P_INT (pr, 0);
bi_plist_t *plist = get_plist (pr, res, __FUNCTION__, handle);
if (!(plist->users && --plist->users > 0)) {
plist_free_handle (res, plist);
handle = 0;
}
R_INT (pr) = handle;
}
static void
bi_PL_Retain (progs_t *pr, void *_res)
{
plist_resources_t *res = _res;
int handle = P_INT (pr, 0);
bi_plist_t *plist = get_plist (pr, res, __FUNCTION__, handle);
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plist->users++;
R_INT (pr) = handle;
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}
plitem_t *
Plist_GetItem (progs_t *pr, int handle)
{
plist_resources_t *res = PR_Resources_Find (pr, "plist");
bi_plist_t *plist = get_plist (pr, res, __FUNCTION__, handle);
return plist->plitem;
}
#define bi(x,np,params...) {#x, bi_##x, -1, np, {params}}
#define p(type) PR_PARAM(type)
static builtin_t builtins[] = {
bi(PL_GetFromFile, 1, p(ptr)),
bi(PL_GetPropertyList, 1, p(string)),
bi(PL_GetDictionary, 1, p(string)),
bi(PL_GetDictionaryFromFile, 1, p(string)),
bi(PL_GetArray, 1, p(string)),
bi(PL_GetArrayFromFile, 1, p(string)),
bi(PL_WritePropertyList, 1, p(ptr)),
bi(PL_Type, 1, p(ptr)),
bi(PL_Line, 1, p(ptr)),
bi(PL_String, 1, p(ptr)),
bi(PL_ObjectForKey, 2, p(ptr), p(string)),
bi(PL_RemoveObjectForKey, 2, p(ptr), p(string)),
bi(PL_ObjectAtIndex, 2, p(ptr), p(int)),
bi(PL_D_AllKeys, 1, p(ptr)),
bi(PL_D_NumKeys, 1, p(ptr)),
bi(PL_KeyAtIndex, 2, p(ptr), p(int)),
bi(PL_D_AddObject, 3, p(ptr), p(string), p(ptr)),
bi(PL_A_AddObject, 2, p(ptr), p(ptr)),
bi(PL_A_NumObjects, 1, p(ptr)),
bi(PL_A_InsertObjectAtIndex, 3, p(ptr), p(ptr), p(int)),
bi(PL_RemoveObjectAtIndex, 2, p(ptr), p(int)),
bi(PL_NewDictionary, 0),
bi(PL_NewArray, 0),
bi(PL_NewData, 2, p(ptr), p(int)),
bi(PL_NewString, 1, p(string)),
bi(PL_Release, 1, p(ptr)),
bi(PL_Retain, 1, p(ptr)),
{0}
};
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void
RUA_Plist_Init (progs_t *pr, int secure)
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{
plist_resources_t *res = calloc (1, sizeof (plist_resources_t));
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PR_Resources_Register (pr, "plist", res, bi_plist_clear, bi_plist_destroy);
PR_RegisterBuiltins (pr, builtins, res);
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}