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# SoPath.h

    00001 #ifndef COIN_SOPATH_H
    00002 #define COIN_SOPATH_H
    00003
    00004 /**************************************************************************\
    00005  *
    00006  *  This file is part of the Coin 3D visualization library.
    00007  *  Copyright (C) 1998-2003 by Systems in Motion.  All rights reserved.
    00008  *
    00009  *  This library is free software; you can redistribute it and/or
    00010  *  modify it under the terms of the GNU General Public License
    00011  *  ("GPL") version 2 as published by the Free Software Foundation.
    00012  *  See the file LICENSE.GPL at the root directory of this source
    00013  *  distribution for additional information about the GNU GPL.
    00014  *
    00015  *  For using Coin with software that can not be combined with the GNU
    00016  *  GPL, and for taking advantage of the additional benefits of our
    00017  *  support services, please contact Systems in Motion about acquiring
    00018  *  a Coin Professional Edition License.
    00019  *
    00020  *  See <URL:http://www.coin3d.org> for  more information.
    00021  *
    00022  *  Systems in Motion, Teknobyen, Abels Gate 5, 7030 Trondheim, NORWAY.
    00023  *  <URL:http://www.sim.no>.
    00024  *
    00025 \**************************************************************************/
    00026
    00027 #include <Inventor/misc/SoBase.h>
    00028 #include <Inventor/lists/SbList.h>
    00029 #include <Inventor/lists/SoNodeList.h>
    00030
    00031 #ifndef COIN_INTERNAL
    00032 // For SGI / TGS Open Inventor compile-time compatibility.
    00033 #include <Inventor/SoLists.h>
    00034 #endif // !COIN_INTERNAL
    00035
    00036
    00037 class SoWriteAction;
    00038 class SoNotList;
    00039 class SoInput;
    00040 class SoPathList;
    00041
    00042
    00043 class COIN_DLL_API SoPath : public SoBase {
    00044   typedef SoBase inherited;
    00045
    00046 public:
    00047   static void initClass(void);
    00048
    00049   SoPath(const int approxlength = 4);
    00050   SoPath(SoNode * const head);
    00051   SoPath(const SoPath & rhs);
    00052
    00053   SoPath & operator=(const SoPath & rhs);
    00054
    00055   static SoType getClassTypeId(void);
    00056   virtual SoType getTypeId(void) const;
    00057
    00058   void setHead(SoNode * const head);
    00059   SoNode * getHead(void) const;
    00060   void append(const int childindex);
    00061   void append(SoNode * const node);
    00062   void append(const SoPath * const frompath);
    00063   void push(const int childindex);
    00064   void pop(void);
    00065   SoNode * getTail(void) const;
    00066   SoNode * getNode(const int index) const;
    00067   SoNode * getNodeFromTail(const int index) const;
    00068   int getIndex(const int index) const;
    00069   int getIndexFromTail(const int index) const;
    00070   int getLength(void) const;
    00071   void truncate(const int length);
    00072
    00073   int findFork(const SoPath * const path) const;
    00074   int findNode(const SoNode * const node) const;
    00075
    00076   SbBool containsNode(const SoNode * const node) const;
    00077   SbBool containsPath(const SoPath * const path) const;
    00078   SoPath * copy(const int startfromnodeindex = 0, int numnodes = 0) const;
    00079   friend COIN_DLL_API SbBool operator==(const SoPath & lhs, const SoPath & rhs);
    00080   friend COIN_DLL_API SbBool operator!=(const SoPath & lhs, const SoPath & rhs);
    00081
    00082   static SoPath * getByName(const SbName name);
    00083   static int getByName(const SbName name, SoPathList & l);
    00084
    00085   void insertIndex(SoNode * const parent, const int newindex);
    00086   void removeIndex(SoNode * const parent, const int oldindex);
    00087   void replaceIndex(SoNode * const parent, const int index,
    00088                     SoNode * const newchild);
    00089   SbBool isRelevantNotification(SoNotList * const l) const;
    00090
    00091   virtual void write(SoWriteAction * action);
    00092
    00093 protected:
    00094   virtual ~SoPath();
    00095   void auditPath(const SbBool flag);
    00096
    00097 private:
    00098   static void * createInstance(void);
    00099   void append(SoNode * const node, const int index);
    00100   int getFullLength(void) const;
    00101   void truncate(const int length, const SbBool donotify);
    00102   virtual SbBool readInstance(SoInput * in, unsigned short flags);
    00103   void setFirstHidden(void);
    00104
    00105   SoNodeList nodes;
    00106   SbList<int> indices;
    00107   SbBool isauditing;
    00108   int firsthidden;
    00109   SbBool firsthiddendirty;
    00110   static SoType classTypeId;
    00111
    00112   friend class SoFullPath;
    00113   friend class SoNodeKitPath;
    00114   friend class SoAction;
    00115   friend class SoTempPath;
    00116 };
    00117
    00119
    00120 inline int
    00121 SoPath::getFullLength(void) const
    00122 {
    00123   return this->nodes.getLength();
    00124 }
    00125
    00126 inline void
    00127 SoPath::push(const int childindex)
    00128 {
    00129   this->append(childindex);
    00130 }
    00131
    00132 inline void
    00133 SoPath::pop(void)
    00134 {
    00135   this->truncate(this->getFullLength() - 1);
    00136 }
    00137
    00139
    00140
    00141 #ifndef COIN_INTERNAL
    00142 // For SGI / TGS Open Inventor compile-time compatibility.
    00143 #include <Inventor/SoFullPath.h>
    00144 #include <Inventor/misc/SoLightPath.h>
    00145 #endif // COIN_INTERNAL
    00146
    00147 #endif // !COIN_SOPATH_H