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/**********************************************************************
regtrav.c - Oniguruma (regular expression library)
**********************************************************************/
/*-
* Copyright (c) 2002-2004 K.Kosako <sndgk393 AT ybb DOT ne DOT jp>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include "regint.h"
#ifdef USE_CAPTURE_HISTORY
static int
capture_tree_traverse(OnigCaptureTreeNode* node, int at,
int(*callback_func)(int,int,int,int,int,void*),
int level, void* arg)
{
int r, i;
if (node == (OnigCaptureTreeNode* )0)
return 0;
if ((at & ONIG_TRAVERSE_CALLBACK_AT_FIRST) != 0) {
r = (*callback_func)(node->group, node->beg, node->end,
level, ONIG_TRAVERSE_CALLBACK_AT_FIRST, arg);
if (r != 0) return r;
}
for (i = 0; i < node->num_childs; i++) {
r = capture_tree_traverse(node->childs[i], at,
callback_func, level + 1, arg);
if (r != 0) return r;
}
if ((at & ONIG_TRAVERSE_CALLBACK_AT_LAST) != 0) {
r = (*callback_func)(node->group, node->beg, node->end,
level, ONIG_TRAVERSE_CALLBACK_AT_LAST, arg);
if (r != 0) return r;
}
return 0;
}
#endif /* USE_CAPTURE_HISTORY */
extern int
onig_capture_tree_traverse(OnigRegion* region, int at,
int(*callback_func)(int,int,int,int,int,void*), void* arg)
{
#ifdef USE_CAPTURE_HISTORY
return capture_tree_traverse(region->history_root, at,
callback_func, 0, arg);
#else
return ONIG_NO_SUPPORT_CONFIG;
#endif
}