2021-08-02 1.更新

JLChen

2021-08-02 38f4fb064df09f344fc3237409c76a9fba2a8a9e

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/*****************************************************************************
 * 
 * Copyright (c) 2008-2010, CoreCodec, Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * 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.
 *     * Neither the name of CoreCodec, Inc. nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY CoreCodec, Inc. ``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 CoreCodec, Inc. 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.
 *
 ****************************************************************************/
 
#ifndef __NODETREE_H
#define __NODETREE_H
 
#define NODETREE_CLASS        FOURCC('T','R','E','E')
 
#define NODETREE_PARENT     20
#define NODETREE_NEXT       21
 
typedef struct nodetree nodetree;
 
typedef struct nodetree_vmt
{
    node_vmt Base;
 
    err_t (*SetParent)(thisnode,void* Parent,void* Before);
    err_t (*AddChild)(thisnode,void* Child,void* Before); //private
    void (*RemoveChild)(thisnode,void* Child); //private
    nodetree* (*AddData)(thisnode,const tchar_t* Name,dataflags Flags);
    nodetree* (*FindChild)(thisnode,const tchar_t* Name);
 
} nodetree_vmt;
 
struct nodetree
{
    node Base;
    nodetree* Parent;
    nodetree* Next;
    nodetree* Children;
};
 
#define NodeTree_SetParent(p,a,b) VMT_FUNC(p,nodetree_vmt)->SetParent(p,a,b)
#define NodeTree_AddData(p,a,b)   VMT_FUNC(p,nodetree_vmt)->AddData(p,a,b)
#define NodeTree_FindChild(p,a)   VMT_FUNC(p,nodetree_vmt)->FindChild(p,a)
#define NodeTree_Parent(p)        ((nodetree*)(p))->Parent
#define NodeTree_Children(p)      ((nodetree*)(p))->Children
#if defined(NDEBUG)
#define NodeTree_Next(p)          ((nodetree*)(p))->Next
#else
#define NodeTree_Next(p)          (assert((nodetree*)(p) != ((nodetree*)(p))->Next),((nodetree*)(p))->Next)
#endif
 
NODE_DLL nodetree* NodeTree_CreateChild(void* p, const tchar_t* Name, fourcc_t ClassId, void* Before);
NODE_DLL nodetree* NodeTree_ChildByName(const void* p,const tchar_t* Name, fourcc_t Class, bool_t Recursive);
NODE_DLL nodetree* NodeTree_ChildByClass(const void* p,fourcc_t Class);
NODE_DLL nodetree* NodeTree_DetachAndRelease(void* p);
NODE_DLL void NodeTree_MoveBefore(void* p, void* Before);
NODE_DLL void NodeTree_Clear(nodetree* p);
 
#endif