[180] | 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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[261] | 8 | #include "Mesh.h"
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[712] | 9 | #include <stack>
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[180] | 10 |
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| 11 | XERCES_CPP_NAMESPACE_USE
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| 12 | XERCES_CPP_NAMESPACE_BEGIN
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| 13 | class AttributeList;
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| 14 | XERCES_CPP_NAMESPACE_END
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| 15 |
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[860] | 16 | namespace GtpVisibilityPreprocessor {
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| 17 |
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[180] | 18 | class SceneGraphNode;
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| 19 | class Mesh;
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| 20 | class Material;
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[439] | 21 | class ViewCellsManager;
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[180] | 22 |
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[971] | 23 |
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[752] | 24 |
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[180] | 25 | class X3dParseHandlers : public HandlerBase
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| 26 | {
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| 27 | public:
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[1001] | 28 |
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| 29 | // used for generating name / key pair
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| 30 | struct ltstr
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| 31 | {
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| 32 | bool operator()(const std::string &s1, const std::string &s2) const
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| 33 | {
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| 34 | return s1 < s2;
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| 35 | }
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| 36 | };
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| 37 |
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| 38 | typedef map<string, int, ltstr> ResourceDefinitions;
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| 39 |
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[180] | 40 | // -----------------------------------------------------------------------
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| 41 | // Constructors and Destructor
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| 42 | // -----------------------------------------------------------------------
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[657] | 43 | X3dParseHandlers(SceneGraphNode *root, const bool loadPolygonsAsMeshes = false);
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[180] | 44 | ~X3dParseHandlers();
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| 45 |
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| 46 |
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| 47 | // -----------------------------------------------------------------------
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| 48 | // Getter methods
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| 49 | // -----------------------------------------------------------------------
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| 50 | unsigned int GetElementCount()
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| 51 | {
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| 52 | return mElementCount;
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| 53 | }
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| 54 |
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| 55 | unsigned int GetAttrCount()
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| 56 | {
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| 57 | return mAttrCount;
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| 58 | }
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| 59 |
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| 60 | unsigned int GetCharacterCount()
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| 61 | {
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| 62 | return mCharacterCount;
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| 63 | }
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| 64 |
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| 65 | unsigned int GetSpaceCount()
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| 66 | {
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| 67 | return mSpaceCount;
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| 68 | }
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| 69 |
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| 70 |
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| 71 | // -----------------------------------------------------------------------
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| 72 | // Handlers for the SAX DocumentHandler interface
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| 73 | // -----------------------------------------------------------------------
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| 74 | void endElement(const XMLCh* const name);
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| 75 | void startElement(const XMLCh* const name, AttributeList& attributes);
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| 76 | void characters(const XMLCh* const chars, const unsigned int length);
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| 77 | void ignorableWhitespace(const XMLCh* const chars, const unsigned int length);
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| 78 | void resetDocument();
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| 79 |
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| 80 | SceneGraphNode *mCurrentNode;
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[1001] | 81 |
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[658] | 82 | vector<VertexIndexContainer> mCurrentVertexIndices;
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| 83 | VertexContainer mCurrentVertices;
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| 84 |
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[1001] | 85 | //string mCurrentMeshName;
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| 86 | Mesh *mCurrentMesh;
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| 87 |
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[180] | 88 | Material *mCurrentMaterial;
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[752] | 89 |
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[657] | 90 | bool mLoadPolygonsAsMeshes;
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[490] | 91 |
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[712] | 92 | typedef stack<Matrix4x4> TrafoStack;
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| 93 |
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[752] | 94 | bool mUsingMeshDefinition;
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[1001] | 95 |
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[712] | 96 | // stack of accumulated transformations
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| 97 | TrafoStack mTransformations;
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| 98 |
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[1001] | 99 | ResourceDefinitions mMaterialDefinitions;
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| 100 | ResourceDefinitions mMeshDefinitions;
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[752] | 101 |
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| 102 | bool mIsMeshDefinition;
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[1001] | 103 |
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[180] | 104 | // Handlers for X3D
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| 105 | void
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| 106 | StartIndexedFaceSet(
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| 107 | AttributeList& attributes);
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| 108 |
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| 109 | void
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| 110 | EndShape();
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| 111 |
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[712] | 112 | void EndTransform();
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| 113 | void StartTransform(AttributeList& attributes);
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| 114 |
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[180] | 115 | void
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| 116 | StartCoordinate(
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| 117 | AttributeList& attributes);
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| 118 |
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| 119 | void
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| 120 | StartMaterial(
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| 121 | AttributeList& attributes);
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| 122 |
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[712] | 123 | /// applies transformation m to this mesh
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| 124 | void ApplyTransformation(Mesh *mesh, const Matrix4x4 &m) const;
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| 125 |
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| 126 | /// transforms mesh using the given transformations
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| 127 | void ApplyTransformations(TrafoStack trafos, Mesh *mesh) const;
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[1001] | 128 | void ApplyTransformations(TrafoStack trafos, TransformedMeshInstance *mi) const;
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[712] | 129 |
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[1001] | 130 | static int mUniqueMeshIdx;
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[712] | 131 |
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[180] | 132 | // -----------------------------------------------------------------------
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| 133 | // Handlers for the SAX ErrorHandler interface
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| 134 | // -----------------------------------------------------------------------
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| 135 | void warning(const SAXParseException& exc);
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| 136 | void error(const SAXParseException& exc);
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| 137 | void fatalError(const SAXParseException& exc);
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| 138 |
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| 139 |
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| 140 | private:
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| 141 | // -----------------------------------------------------------------------
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| 142 | // Private data members
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| 143 | //
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| 144 | // fAttrCount
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| 145 | // fCharacterCount
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| 146 | // fElementCount
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| 147 | // fSpaceCount
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| 148 | // These are just counters that are run upwards based on the input
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| 149 | // from the document handlers.
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| 150 | // -----------------------------------------------------------------------
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| 151 | unsigned int mAttrCount;
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| 152 | unsigned int mCharacterCount;
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| 153 | unsigned int mElementCount;
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| 154 | unsigned int mSpaceCount;
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| 155 | };
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| 156 |
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[260] | 157 | /** Parser handlers for view cell x3d files.
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| 158 | */
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| 159 | class X3dViewCellsParseHandlers : public HandlerBase
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| 160 | {
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| 161 | public:
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| 162 | // -----------------------------------------------------------------------
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| 163 | // Constructors and Destructor
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| 164 | // -----------------------------------------------------------------------
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[439] | 165 | X3dViewCellsParseHandlers(ViewCellsManager *viewCellsManager,
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[657] | 166 | const float viewCellHeight);
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[260] | 167 | ~X3dViewCellsParseHandlers();
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| 168 |
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| 169 |
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| 170 | // -----------------------------------------------------------------------
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| 171 | // Getter methods
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| 172 | // -----------------------------------------------------------------------
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| 173 | unsigned int GetElementCount()
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| 174 | {
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| 175 | return mElementCount;
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| 176 | }
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| 177 |
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| 178 | unsigned int GetAttrCount()
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| 179 | {
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| 180 | return mAttrCount;
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| 181 | }
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| 182 |
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| 183 | unsigned int GetCharacterCount()
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| 184 | {
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| 185 | return mCharacterCount;
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| 186 | }
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| 187 |
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| 188 | unsigned int GetSpaceCount()
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| 189 | {
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| 190 | return mSpaceCount;
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| 191 | }
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[180] | 192 |
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[260] | 193 |
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| 194 | // -----------------------------------------------------------------------
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| 195 | // Handlers for the SAX DocumentHandler interface
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| 196 | // -----------------------------------------------------------------------
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| 197 | void endElement(const XMLCh* const name);
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| 198 | void startElement(const XMLCh* const name, AttributeList& attributes);
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| 199 | void characters(const XMLCh* const chars, const unsigned int length);
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| 200 | void ignorableWhitespace(const XMLCh* const chars, const unsigned int length);
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| 201 | void resetDocument();
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| 202 |
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[439] | 203 | ViewCellsManager *mViewCellsManager;
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[312] | 204 | float mViewCellHeight;
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[657] | 205 |
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[312] | 206 |
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[261] | 207 | VertexIndexContainer mCurrentVertexIndices;
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[1001] | 208 | VertexContainer mCurrentVertices;
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| 209 |
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[260] | 210 | // Handlers for X3D
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| 211 | void
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| 212 | StartIndexedFaceSet(
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| 213 | AttributeList& attributes);
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| 214 |
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| 215 | void
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| 216 | EndShape();
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| 217 |
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| 218 | void
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| 219 | StartCoordinate(
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| 220 | AttributeList& attributes);
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| 221 |
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| 222 | void
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| 223 | StartMaterial(
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| 224 | AttributeList& attributes);
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| 225 |
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| 226 |
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| 227 | // -----------------------------------------------------------------------
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| 228 | // Handlers for the SAX ErrorHandler interface
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| 229 | // -----------------------------------------------------------------------
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| 230 | void warning(const SAXParseException& exc);
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| 231 | void error(const SAXParseException& exc);
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| 232 | void fatalError(const SAXParseException& exc);
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| 233 |
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| 234 |
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| 235 | private:
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| 236 | // -----------------------------------------------------------------------
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| 237 | // Private data members
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| 238 | //
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| 239 | // fAttrCount
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| 240 | // fCharacterCount
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| 241 | // fElementCount
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| 242 | // fSpaceCount
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| 243 | // These are just counters that are run upwards based on the input
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| 244 | // from the document handlers.
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| 245 | // -----------------------------------------------------------------------
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| 246 | unsigned int mAttrCount;
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| 247 | unsigned int mCharacterCount;
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| 248 | unsigned int mElementCount;
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| 249 | unsigned int mSpaceCount;
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| 250 | };
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| 251 |
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| 252 |
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[180] | 253 | // ---------------------------------------------------------------------------
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| 254 | // This is a simple class that lets us do easy (though not terribly efficient)
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| 255 | // trancoding of XMLCh data to local code page for display.
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| 256 | // ---------------------------------------------------------------------------
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| 257 | class StrX
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| 258 | {
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| 259 | public :
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| 260 | // -----------------------------------------------------------------------
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| 261 | // Constructors and Destructor
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| 262 | // -----------------------------------------------------------------------
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| 263 | StrX(const XMLCh* const toTranscode)
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| 264 | {
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| 265 | // Call the private transcoding method
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| 266 | mLocalForm = XMLString::transcode(toTranscode);
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| 267 | }
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| 268 |
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| 269 | ~StrX()
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| 270 | {
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| 271 | XMLString::release(&mLocalForm);
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| 272 | }
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| 273 |
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| 274 | // -----------------------------------------------------------------------
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| 275 | // Getter methods
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| 276 | // -----------------------------------------------------------------------
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| 277 | const char* LocalForm() const
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| 278 | {
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| 279 | return mLocalForm;
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| 280 | }
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| 281 |
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| 282 | private :
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| 283 | // -----------------------------------------------------------------------
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| 284 | // Private data members
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| 285 | //
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| 286 | // fLocalForm
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| 287 | // This is the local code page form of the string.
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| 288 | // -----------------------------------------------------------------------
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| 289 | char* mLocalForm;
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| 290 | };
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| 291 |
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| 292 | inline XERCES_STD_QUALIFIER ostream&
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| 293 | operator<<(XERCES_STD_QUALIFIER ostream& target, const StrX& toDump)
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| 294 | {
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| 295 | target << toDump.LocalForm();
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| 296 | return target;
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| 297 | }
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| 298 |
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[860] | 299 | }
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| 300 |
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[180] | 301 | #endif
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