mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-11-05 20:50:43 +00:00
148 lines
3.2 KiB
C
148 lines
3.2 KiB
C
/*
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#FILENAME#
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#DESCRIPTION#
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Copyright (C) 2002 #AUTHOR#
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Author: #AUTHOR#
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Date: #DATE#
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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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static const char rcsid[] =
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"$Id$";
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#ifdef HAVE_CONFIG_H
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# include "config.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/hash.h"
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#include "QF/cbuf.h"
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#include "QF/gib_parse.h"
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#include "QF/gib_buffer.h"
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#include "QF/gib_function.h"
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#include "QF/gib_vars.h"
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#include "QF/va.h"
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hashtab_t *gib_functions = 0;
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/*
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GIB_Function_New
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Builds a new function struct and returns
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a pointer to it.
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*/
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gib_function_t *
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GIB_Function_New (void)
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{
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gib_function_t *new = calloc (1, sizeof (gib_function_t));
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new->name = dstring_newstr();
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new->program = dstring_newstr();
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return new;
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}
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/*
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Hashtable callbacks
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*/
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const char *
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GIB_Function_Get_Key (void *ele, void *ptr)
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{
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return ((gib_function_t *)ele)->name->str;
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}
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void
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GIB_Function_Free (void *ele, void *ptr)
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{
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gib_function_t *func = (gib_function_t *)ele;
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dstring_delete (func->name);
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dstring_delete (func->program);
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}
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/*
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GIB_Function_Define
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Sets the program text of a GIB function,
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allocating one and adding it to the functions
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hash if needed.
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*/
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void
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GIB_Function_Define (const char *name, const char *program)
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{
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gib_function_t *func;
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if (!gib_functions)
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gib_functions = Hash_NewTable (1024, GIB_Function_Get_Key, GIB_Function_Free, 0);
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func = Hash_Find(gib_functions, name);
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if (func)
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dstring_clearstr (func->program);
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else {
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func = GIB_Function_New ();
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dstring_appendstr (func->name, name);
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Hash_Add (gib_functions, func);
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}
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dstring_appendstr (func->program, program);
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}
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/*
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GIB_Function_Find
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Looks up a function in the function hash
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and returns a pointer to it on success,
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0 otherwise
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*/
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gib_function_t *
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GIB_Function_Find (const char *name)
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{
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if (!gib_functions)
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return 0;
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return (gib_function_t *) Hash_Find (gib_functions, name);
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}
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/*
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GIB_Function_Execute
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Creates a new buffer on the current stack
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and copies the program text of a function
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into it. Also sets local variables on the
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buffer for all arguments passed to the
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function
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*/
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void
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GIB_Function_Execute (gib_function_t *func)
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{
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cbuf_t *sub = Cbuf_New (&gib_interp);
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int i;
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Cbuf_AddText (sub, func->program->str);
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if (cbuf_active->down)
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Cbuf_DeleteStack (cbuf_active->down);
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cbuf_active->down = sub;
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sub->up = cbuf_active;
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cbuf_active->state = CBUF_STATE_STACK;
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for (i = 0; i < cbuf_active->args->argc; i++)
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GIB_Var_Set (sub, va("%i", i), cbuf_active->args->argv[i]->str);
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GIB_Var_Set (sub, "argc", va("%i", cbuf_active->args->argc));
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}
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