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00001 #ifndef COIN_SOBASE_H 00002 #define COIN_SOBASE_H 00003 00004 /**************************************************************************\ 00005 * 00006 * This file is part of the Coin 3D visualization library. 00007 * Copyright (C) 1998-2008 by Kongsberg SIM. 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 Kongsberg SIM about acquiring 00018 * a Coin Professional Edition License. 00019 * 00020 * See http://www.coin3d.org/ for more information. 00021 * 00022 * Kongsberg SIM, Postboks 1283, Pirsenteret, 7462 Trondheim, NORWAY. 00023 * http://www.sim.no/ sales@sim.no coin-support@coin3d.org 00024 * 00025 \**************************************************************************/ 00026 00027 #include <Inventor/SoType.h> 00028 #include <Inventor/lists/SoAuditorList.h> 00029 #include <Inventor/C/base/rbptree.h> 00030 00031 class SbString; 00032 class SoBaseList; 00033 class SoInput; 00034 class SoOutput; 00035 00036 class COIN_DLL_API SoBase { 00037 public: 00038 static void initClass(void); 00039 00040 void ref(void) const; 00041 void unref(void) const; 00042 void unrefNoDelete(void) const; 00043 int32_t getRefCount(void) const; 00044 00045 void touch(void); 00046 00047 virtual SoType getTypeId(void) const = 0; 00048 SbBool isOfType(SoType type) const; 00049 static SoType getClassTypeId(void); 00050 00051 virtual SbName getName(void) const; 00052 virtual void setName(const SbName & newname); 00053 00054 static void addName(SoBase * const base, const char * const name); 00055 static void removeName(SoBase * const base, const char * const name); 00056 00057 virtual void startNotify(void); 00058 virtual void notify(SoNotList * l); 00059 00060 void addAuditor(void * const auditor, const SoNotRec::Type type); 00061 void removeAuditor(void * const auditor, const SoNotRec::Type type); 00062 const SoAuditorList & getAuditors(void) const; 00063 00064 virtual void addWriteReference(SoOutput * out, SbBool isfromfield = FALSE); 00065 SbBool shouldWrite(void); 00066 00067 static void incrementCurrentWriteCounter(void); 00068 static void decrementCurrentWriteCounter(void); 00069 00070 static SoBase * getNamedBase(const SbName & name, SoType type); 00071 static int getNamedBases(const SbName & name, SoBaseList & baselist, 00072 SoType type); 00073 00074 static SbBool read(SoInput * in, SoBase *& base, SoType expectedtype); 00075 static void setInstancePrefix(const SbString & c); 00076 00077 static void setTraceRefs(SbBool trace); 00078 static SbBool getTraceRefs(void); 00079 00080 static SbBool connectRoute(SoInput * in, 00081 const SbName & fromnodename, const SbName & fromfieldname, 00082 const SbName & tonodename, const SbName & tofieldname); 00083 00084 void assertAlive(void) const; 00085 static SbBool readRoute(SoInput * in); 00086 00087 protected: 00088 // Note: these are bitflags. 00089 enum BaseFlags { IS_ENGINE = 0x01, IS_GROUP = 0x02 }; 00090 00091 SoBase(void); 00092 virtual ~SoBase(); 00093 00094 virtual void destroy(void); 00095 00096 SbBool hasMultipleWriteRefs(void) const; 00097 SbBool writeHeader(SoOutput * out, SbBool isgroup, SbBool isengine) const; 00098 void writeFooter(SoOutput * out) const; 00099 virtual const char * getFileFormatName(void) const; 00100 00101 virtual SbBool readInstance(SoInput * in, unsigned short flags) = 0; 00102 00103 static uint32_t getCurrentWriteCounter(void); 00104 static void staticDataLock(void); 00105 static void staticDataUnlock(void); 00106 00107 private: 00108 static void cleanClass(void); 00109 00110 static SoType classTypeId; 00111 00112 struct { 00113 mutable int referencecount : 28; 00114 mutable unsigned int alive : 4; 00115 } objdata; 00116 00117 void doNotify(SoNotList * l, const void * auditor, const SoNotRec::Type type); 00118 cc_rbptree auditortree; 00119 00120 class PImpl; 00121 friend class PImpl; // MSVC6 00122 }; 00123 00124 // support for boost::intrusive_ptr<SoBase> 00125 inline void intrusive_ptr_add_ref(SoBase * obj) { obj->ref(); } 00126 inline void intrusive_ptr_release(SoBase * obj) { obj->unref(); } 00127 00128 #endif // !COIN_SOBASE_H
Copyright © 1998-2008 by Kongsberg SIM. All rights reserved.
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