API/tests/Node.h

   1 /*
   2  * Copyright (C) 2006 Apple Inc.  All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  * 1. Redistributions of source code must retain the above copyright
   8  *    notice, this list of conditions and the following disclaimer.
   9  * 2. Redistributions in binary form must reproduce the above copyright
  10  *    notice, this list of conditions and the following disclaimer in the
  11  *    documentation and/or other materials provided with the distribution.
  12  *
  13  * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
  14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
  17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  24  */
  25
  26 #ifndef Node_h
  27 #define Node_h
  28
  29 typedef struct __Node Node;
  30 typedef struct __NodeLink NodeLink;
  31
  32 struct __NodeLink {
  33     Node* node;
  34     NodeLink* prev;
  35 };
  36
  37 struct __Node {
  38     unsigned refCount;
  39     const char* nodeType;
  40     NodeLink* childNodesTail;
  41 };
  42
  43 extern Node* Node_new(void);
  44 extern void Node_ref(Node* node);
  45 extern void Node_deref(Node* node);
  46 extern void Node_appendChild(Node* node, Node* child);
  47 extern void Node_removeChild(Node* node, Node* child);
  48 extern void Node_replaceChild(Node* node, Node* newChild, Node* oldChild);
  49
  50 #endif /* Node_h */