quakeforge/libs/gib/gib_tree.c
Brian Koropoff 59fbd48a81 Overhauled GIB to parse scripts in advance, among other design and language
changes.  There still remains some bugs to be squashed, a feature or two to
add, and some polishing to be done.  However, it seems to be in a workable
state.
2003-01-28 21:16:21 +00:00

88 lines
2 KiB
C

/*
gib_tree.c
GIB tree handling functions
Copyright (C) 2003 Brian Koropoff
Author: Brian Koropoff
Date: #DATE#
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
static __attribute__ ((unused)) const char rcsid[] =
"$Id$";
#include <stdlib.h>
#include <string.h>
#include "QF/qtypes.h"
#include "QF/gib_tree.h"
gib_tree_t *
GIB_Tree_New (unsigned int flags)
{
gib_tree_t *new = calloc (1, sizeof (gib_tree_t));
new->flags = flags;
return new;
}
static void
GIB_Tree_Free (gib_tree_t *tree)
{
if (tree->str)
free((void *) tree->str);
if (tree->parent)
tree->parent->children = 0;
free(tree);
}
void
GIB_Tree_Free_Recursive (gib_tree_t *tree, qboolean force)
{
gib_tree_t *n;
for (; tree; tree = n) {
n = tree->next;
// Leave perm nodes and their children alone
// (creating a temp child of a perm node is illegal)
if (tree->flags & TREE_PERM && !force)
return;
/* Free the children (but not on virtuals, and don't free nested functions EVER) */
if (tree->children && !(tree->children->flags & TREE_FUNC))
GIB_Tree_Free_Recursive (tree->children, force);
GIB_Tree_Free (tree);
}
}
void
GIB_Tree_Add_Flag_Recursive (gib_tree_t *tree, unsigned int flag)
{
for (; tree; tree = tree->next) {
tree->flags |= flag;
if (tree->children)
GIB_Tree_Add_Flag_Recursive (tree->children, flag);
}
}