Source/System/FileIO/WRL/OSGVRMLPrototypeHandler.h

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  38
  39 #ifndef _OSGVRMLPROTOTYPEHANDLER_H_
  40 #define _OSGVRMLPROTOTYPEHANDLER_H_
  41 #ifdef __sgi
  42 #pragma once
  43 #endif
  44
  45 #include "OSGBaseTypes.h"
  46 #include "OSGBaseFunctions.h"
  47
  48 #include <stack>
  49
  50 #include "OSGVRMLNodeHelper.h"
  51
  52 #include <string>
  53
  54 #include "OSGDeprecatedCPP.h"
  55
  56
  57 OSG_BEGIN_NAMESPACE
  58
  59 /*! \brief VRML97 Loader prototype handler
  60     \ingroup GrpFileIOWRLObj
  61     \ingroup GrpLibOSGFileIO
  62  */
  63
  64 template <class BaseT>
  65 class VRMLNodePrototypeHandler : public BaseT
  66 {
  67     /*==========================  PRIVATE  ================================*/
  68   private:
  69
  70
  71     typedef VRMLNodePrototypeHandler<BaseT> Self;
  72
  73     /*==========================  PUBLIC  =================================*/
  74   public :
  75
  76     /*---------------------------------------------------------------------*/
  77     /*! \name                   Constructors                               */
  78     /*! \{                                                                 */
  79
  80     VRMLNodePrototypeHandler(void);
  81
  82     /*! \}                                                                 */
  83     /*---------------------------------------------------------------------*/
  84     /*! \name                   Destructor                                 */
  85     /*! \{                                                                 */
  86
  87     virtual ~VRMLNodePrototypeHandler(void);
  88
  89     /*! \}                                                                 */
  90     /*---------------------------------------------------------------------*/
  91     /*! \name                   Skel replacements                          */
  92     /*! \{                                                                 */
  93
  94     virtual void beginProto            (const Char8 *szProtoname);
  95     virtual void endProtoInterface     (      void);
  96     virtual void endProto              (      void);
  97
  98     virtual void beginEventInDecl      (const Char8 *szEventType,
  99                                         const UInt32  uiFieldTypeId,
 100                                         const Char8 *szEventName);
 101
 102     virtual void beginEventOutDecl     (const Char8 *szEventType,
 103                                         const UInt32  uiFieldTypeId,
 104                                         const Char8 *szEventName);
 105
 106     virtual void beginFieldDecl        (const Char8  *szFieldType,
 107                                         const UInt32  uiFieldTypeId,
 108                                         const Char8  *szFieldName);
 109
 110     virtual void endFieldDecl          (      void);
 111
 112     virtual void beginExposedFieldDecl (const Char8  *szFieldType,
 113                                         const UInt32  uiFieldTypeId,
 114                                         const Char8  *szFieldName);
 115
 116     virtual void endExposedFieldDecl   (      void);
 117
 118     /*! \}                                                                 */
 119     /*---------------------------------------------------------------------*/
 120     /*! \name                        Dump                                  */
 121     /*! \{                                                                 */
 122
 123     /*! \}                                                                 */
 124     /*=========================  PROTECTED  ===============================*/
 125
 126   protected:
 127
 128     typedef BaseT Inherited;
 129
 130 #if defined(_LIBCPP_VERSION)
 131     typedef
 132         OSG_STDEXTENSION_NAMESPACE::hash_map<
 133               std::string,
 134               VRMLNodeHelper *> NameHelperMap;
 135
 136 #else
 137 # if !defined(WIN32)
 138     /*! \nohierarchy
 139      */
 140     struct string_hash
 141     {
 142         size_t operator()(const std::string &s) const
 143         {
 144             return OSG_STDEXTENSION_NAMESPACE::__stl_hash_string(s.c_str());
 145         }
 146     };
 147 # endif
 148
 149 # ifdef OSG_STL_HAS_HASH_MAP
 150 # ifdef OSG_USE_HASH_COMPARE
 151     typedef
 152         OSG_STDEXTENSION_NAMESPACE::hash_map<
 153             const Char8    *,
 154                   VRMLNodeHelper *,
 155                   HashCmpString                   > NameHelperMap;
 156 # else
 157     typedef
 158         OSG_STDEXTENSION_NAMESPACE::hash_map<
 159               const std::string,
 160                     VRMLNodeHelper *,
 161                     string_hash                   > NameHelperMap;
 162 # endif
 163 # else
 164     typedef
 165         std::map<const std::string,
 166                        VRMLNodeHelper *           > NameHelperMap;
 167 # endif
 168 #endif
 169
 170     /*---------------------------------------------------------------------*/
 171     /*! \name                      Member                                  */
 172     /*! \{                                                                 */
 173
 174     /** The current helper that we are actively adding fields too and
 175         building up. */
 176
 177     VRMLNodeHelper     *_pCurrentHelper;
 178
 179     /** Map from proto name to the helper to handle that proto type. */
 180     NameHelperMap       _mNodeHelperHash;
 181
 182
 183     VRMLNodeHelper *findNodeHelper    (const Char8          *szNodeTypename);
 184
 185     virtual void    preStandardProtos (      void);
 186     virtual void    postStandardProtos(      void);
 187
 188     /*! \}                                                                 */
 189     /*==========================  PRIVATE  ================================*/
 190   private:
 191
 192     /*!\brief prohibit default function (move to 'public' if needed) */
 193     VRMLNodePrototypeHandler(const VRMLNodePrototypeHandler &source);
 194     /*!\brief prohibit default function (move to 'public' if needed) */
 195     void operator =(const VRMLNodePrototypeHandler &source);
 196 };
 197
 198 OSG_END_NAMESPACE
 199
 200 #include "OSGVRMLPrototypeHandler.inl"
 201
 202 #endif /* _OSGVRMLPROTOTYPEHANDLER_H_ */