[508] | 1 | #ifndef _X3D_PARSER_XERCES__H
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| 2 | #define _X3D_PARSER_XERCES__H
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| 3 |
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| 4 | // ---------------------------------------------------------------------------
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| 5 | // Includes
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| 6 | // ---------------------------------------------------------------------------
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| 7 | #include <xercesc/sax/HandlerBase.hpp>
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| 8 | #include "Mesh.h"
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[931] | 9 | #include "BoundingBoxConverter.h"
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[508] | 10 |
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[1201] | 11 |
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[860] | 12 | namespace GtpVisibilityPreprocessor {
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| 13 |
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[508] | 14 | XERCES_CPP_NAMESPACE_USE
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| 15 | XERCES_CPP_NAMESPACE_BEGIN
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| 16 | class AttributeList;
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| 17 | XERCES_CPP_NAMESPACE_END
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| 18 |
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| 19 | class VspBspTree;
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[575] | 20 | class BspTree;
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[508] | 21 | class ViewCellsManager;
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[651] | 22 | class ViewCellsTree;
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[1022] | 23 | class VspTree;
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| 24 | class OspTree;
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[1201] | 25 | class VspNode;
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[1263] | 26 | class BvHierarchy;
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[1278] | 27 | class HierarchyManager;
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[508] | 28 |
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[1278] | 29 |
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[508] | 30 | class ViewCellsParseHandlers: public HandlerBase
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| 31 | {
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| 32 | public:
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| 33 | // -----------------------------------------------------------------------
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| 34 | // Constructors and Destructor
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| 35 | // -----------------------------------------------------------------------
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[1004] | 36 | ViewCellsParseHandlers(ObjectContainer *objects, BoundingBoxConverter *bconverter);
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[508] | 37 | ~ViewCellsParseHandlers();
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| 38 |
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| 39 |
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| 40 | // -----------------------------------------------------------------------
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| 41 | // Getter methods
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| 42 | // -----------------------------------------------------------------------
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| 43 | unsigned int GetElementCount()
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| 44 | {
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| 45 | return mElementCount;
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| 46 | }
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| 47 |
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| 48 | unsigned int GetAttrCount()
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| 49 | {
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| 50 | return mAttrCount;
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| 51 | }
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| 52 |
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| 53 | unsigned int GetCharacterCount()
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| 54 | {
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| 55 | return mCharacterCount;
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| 56 | }
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| 57 |
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| 58 | unsigned int GetSpaceCount()
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| 59 | {
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| 60 | return mSpaceCount;
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| 61 | }
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| 62 |
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| 63 |
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| 64 | // -----------------------------------------------------------------------
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| 65 | // Handlers for the SAX DocumentHandler interface
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| 66 | // -----------------------------------------------------------------------
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| 67 | void endElement(const XMLCh* const name);
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| 68 | void startElement(const XMLCh* const name, AttributeList& attributes);
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| 69 | void characters(const XMLCh* const chars, const unsigned int length);
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| 70 | void ignorableWhitespace(const XMLCh* const chars, const unsigned int length);
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| 71 | void resetDocument();
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| 72 |
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[1263] | 73 | void CreateViewCellsManager(/*const char *name*/);
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[575] | 74 |
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| 75 |
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[508] | 76 | VspBspTree *mVspBspTree;
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[1278] | 77 | HierarchyManager *mHierarchyManager;
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[1263] | 78 | BvHierarchy *mBvHierarchy;
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[1022] | 79 |
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[575] | 80 | BspTree *mBspTree;
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[651] | 81 | ViewCellsTree *mViewCellsTree;
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[1278] | 82 | VspTree *mVspTree;
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[651] | 83 |
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[590] | 84 | BspNode *mCurrentBspNode;
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[1201] | 85 | VspNode *mCurrentVspNode;
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[651] | 86 | ViewCell *mCurrentViewCell;
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[1201] | 87 | KdNode *mCurrentKdNode;
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[1263] | 88 |
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| 89 | BspNode *mBspRoot;
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| 90 | VspNode *mVspRoot;
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| 91 | ViewCell *mViewCellRoot;
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[651] | 92 |
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[508] | 93 | ViewCellContainer mViewCells;
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| 94 | ViewCellsManager *mViewCellsManager;
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| 95 | ObjectContainer *mObjects;
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[931] | 96 | BoundingBoxConverter *mBoundingBoxConverter;
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[577] | 97 | AxisAlignedBox3 mViewSpaceBox;
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[931] | 98 | IndexedBoundingBoxContainer mIBoundingBoxes;
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[1004] | 99 |
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[1263] | 100 | /// current state of the parser
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| 101 | int mCurrentState;
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| 102 |
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[1264] | 103 | enum {PARSE_OPTIONS, PARSE_VIEWCELLS, PARSE_VIEWSPACE_HIERARCHY, PARSE_OBJECTSPACE_HIERARCHY};
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[1201] | 104 |
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[1263] | 105 | /// view space / object space hierarchy types
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| 106 | enum {BSP, VSP, OSP, BVH};
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| 107 |
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| 108 | int mViewSpaceHierarchyType;
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| 109 | int mObjectSpaceHierarchyType;
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| 110 |
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[508] | 111 | // Handlers for X3D
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[575] | 112 | void StartBspLeaf(AttributeList& attributes);
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| 113 | void StartBspInterior(AttributeList& attributes);
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| 114 | void EndBspInterior();
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[1201] | 115 |
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| 116 | void StartVspLeaf(AttributeList& attributes);
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| 117 | void StartVspInterior(AttributeList& attributes);
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| 118 | void EndVspInterior();
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| 119 |
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[651] | 120 | void StartViewCell(ViewCell *viewCell, AttributeList& attributes);
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[508] | 121 | void EndViewCells();
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[931] | 122 | void EndBoundingBoxes();
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[651] | 123 |
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[575] | 124 | void StartHierarchy(AttributeList& attributes);
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| 125 |
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[1201] | 126 | void StartBspElement(string element, AttributeList& attributes);
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| 127 | void StartVspElement(string element, AttributeList& attributes);
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| 128 |
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[1264] | 129 | void StartViewSpaceHierarchy(AttributeList& attributes);
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| 130 | void StartObjectSpaceHierarchy(AttributeList& attributes);
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[651] | 131 |
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[931] | 132 | void StartBoundingBox(AttributeList& attributes);
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[651] | 133 | void StartViewCellLeaf(AttributeList& attributes);
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| 134 | void StartViewCellInterior(AttributeList& attributes);
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| 135 | void EndViewCellInterior();
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| 136 |
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[1233] | 137 | void StartViewSpaceHierarchyElement(const std::string &element, AttributeList& attributes);
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| 138 | void StartObjectSpaceHierarchyElement(const std::string &element, AttributeList& attributes);
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[1201] | 139 | void StartViewCellHierarchyElement(const std::string &element, AttributeList& attributes);
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[651] | 140 |
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[1201] | 141 | void StartOspElement(string element, AttributeList& attributes);
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| 142 |
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| 143 | void StartOspLeaf(AttributeList& attributes);
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| 144 | void StartOspInterior(AttributeList& attributes);
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| 145 |
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[1264] | 146 | void CreateViewSpaceHierarchy();
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[1201] | 147 |
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[1264] | 148 | void StartBvhLeaf(AttributeList& attributes);
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| 149 | void StartBvhInterior(AttributeList& attributes);
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| 150 | void StartBvhElement(string element, AttributeList& attributes);
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| 151 |
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| 152 |
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[508] | 153 | // -----------------------------------------------------------------------
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| 154 | // Handlers for the SAX ErrorHandler interface
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| 155 | // -----------------------------------------------------------------------
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[651] | 156 |
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[508] | 157 | void warning(const SAXParseException& exc);
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| 158 | void error(const SAXParseException& exc);
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| 159 | void fatalError(const SAXParseException& exc);
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| 160 |
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| 161 |
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| 162 | private:
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| 163 | // -----------------------------------------------------------------------
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| 164 | // Private data members
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| 165 | //
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| 166 | // fAttrCount
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| 167 | // fCharacterCount
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| 168 | // fElementCount
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| 169 | // fSpaceCount
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| 170 | // These are just counters that are run upwards based on the input
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| 171 | // from the document handlers.
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| 172 | // -----------------------------------------------------------------------
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| 173 | unsigned int mAttrCount;
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| 174 | unsigned int mCharacterCount;
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| 175 | unsigned int mElementCount;
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| 176 | unsigned int mSpaceCount;
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| 177 | };
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| 178 |
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| 179 | // ---------------------------------------------------------------------------
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| 180 | // This is a simple class that lets us do easy (though not terribly efficient)
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| 181 | // trancoding of XMLCh data to local code page for display.
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| 182 | // ---------------------------------------------------------------------------
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| 183 | class StrX
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| 184 | {
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| 185 | public :
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| 186 | // -----------------------------------------------------------------------
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| 187 | // Constructors and Destructor
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| 188 | // -----------------------------------------------------------------------
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| 189 | StrX(const XMLCh* const toTranscode)
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| 190 | {
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| 191 | // Call the private transcoding method
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| 192 | mLocalForm = XMLString::transcode(toTranscode);
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| 193 | }
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| 194 |
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| 195 | ~StrX()
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| 196 | {
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| 197 | XMLString::release(&mLocalForm);
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| 198 | }
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| 199 |
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| 200 | // -----------------------------------------------------------------------
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| 201 | // Getter methods
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| 202 | // -----------------------------------------------------------------------
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| 203 | const char* LocalForm() const
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| 204 | {
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| 205 | return mLocalForm;
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| 206 | }
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| 207 |
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| 208 | private :
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| 209 | // -----------------------------------------------------------------------
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| 210 | // Private data members
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| 211 | //
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| 212 | // fLocalForm
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| 213 | // This is the local code page form of the string.
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| 214 | // -----------------------------------------------------------------------
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| 215 | char* mLocalForm;
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| 216 | };
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| 217 |
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| 218 | inline XERCES_STD_QUALIFIER ostream&
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| 219 | operator<<(XERCES_STD_QUALIFIER ostream& target, const StrX& toDump)
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| 220 | {
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| 221 | target << toDump.LocalForm();
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| 222 | return target;
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| 223 | }
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[860] | 224 | }
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| 225 |
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[508] | 226 | #endif
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