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Annotation of embedaddon/php/ext/mbstring/oniguruma/regtrav.c, revision 1.1.1.1

1.1       misho       1: /**********************************************************************
                      2:   regtrav.c -  Oniguruma (regular expression library)
                      3: **********************************************************************/
                      4: /*-
                      5:  * Copyright (c) 2002-2004  K.Kosako  <sndgk393 AT ybb DOT ne DOT jp>
                      6:  * All rights reserved.
                      7:  *
                      8:  * Redistribution and use in source and binary forms, with or without
                      9:  * modification, are permitted provided that the following conditions
                     10:  * are met:
                     11:  * 1. Redistributions of source code must retain the above copyright
                     12:  *    notice, this list of conditions and the following disclaimer.
                     13:  * 2. Redistributions in binary form must reproduce the above copyright
                     14:  *    notice, this list of conditions and the following disclaimer in the
                     15:  *    documentation and/or other materials provided with the distribution.
                     16:  *
                     17:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
                     18:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     19:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     20:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
                     21:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     22:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     23:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     24:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     25:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     26:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     27:  * SUCH DAMAGE.
                     28:  */
                     29: 
                     30: #include "regint.h"
                     31: 
                     32: #ifdef USE_CAPTURE_HISTORY
                     33: 
                     34: static int
                     35: capture_tree_traverse(OnigCaptureTreeNode* node, int at,
                     36:                       int(*callback_func)(int,int,int,int,int,void*),
                     37:                       int level, void* arg)
                     38: {
                     39:   int r, i;
                     40: 
                     41:   if (node == (OnigCaptureTreeNode* )0)
                     42:     return 0;
                     43: 
                     44:   if ((at & ONIG_TRAVERSE_CALLBACK_AT_FIRST) != 0) {
                     45:     r = (*callback_func)(node->group, node->beg, node->end,
                     46:                          level, ONIG_TRAVERSE_CALLBACK_AT_FIRST, arg);
                     47:     if (r != 0) return r;
                     48:   }
                     49: 
                     50:   for (i = 0; i < node->num_childs; i++) {
                     51:     r = capture_tree_traverse(node->childs[i], at,
                     52:                               callback_func, level + 1, arg);
                     53:     if (r != 0) return r;
                     54:   }
                     55: 
                     56:   if ((at & ONIG_TRAVERSE_CALLBACK_AT_LAST) != 0) {
                     57:     r = (*callback_func)(node->group, node->beg, node->end,
                     58:                          level, ONIG_TRAVERSE_CALLBACK_AT_LAST, arg);
                     59:     if (r != 0) return r;
                     60:   }
                     61: 
                     62:   return 0;
                     63: }
                     64: #endif /* USE_CAPTURE_HISTORY */
                     65: 
                     66: extern int
                     67: onig_capture_tree_traverse(OnigRegion* region, int at,
                     68:                   int(*callback_func)(int,int,int,int,int,void*), void* arg)
                     69: {
                     70: #ifdef USE_CAPTURE_HISTORY
                     71:   return capture_tree_traverse(region->history_root, at,
                     72:                                callback_func, 0, arg);
                     73: #else
                     74:   return ONIG_NO_SUPPORT_CONFIG;
                     75: #endif
                     76: }