From 5e01a4852b31d537307994248869caf38b4023cc Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=B6rg=20Frings-F=C3=BCrst?= <debian@jff-webhosting.net>
Date: Tue, 10 May 2016 05:12:17 +0200
Subject: Imported Upstream version 6.0.0

---
 src/regtrav.c | 76 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 76 insertions(+)
 create mode 100644 src/regtrav.c

(limited to 'src/regtrav.c')

diff --git a/src/regtrav.c b/src/regtrav.c
new file mode 100644
index 0000000..58a17f5
--- /dev/null
+++ b/src/regtrav.c
@@ -0,0 +1,76 @@
+/**********************************************************************
+  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
+}
-- 
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