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