1 | // ---------------------------------------------------------------------------
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2 | // Includes for all the program files to see
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3 | // ---------------------------------------------------------------------------
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4 | #include <string.h>
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5 | #include <stdlib.h>
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6 | #include <iostream>
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7 | using namespace std;
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8 | #include <xercesc/util/PlatformUtils.hpp>
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9 |
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10 | // ---------------------------------------------------------------------------
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11 | // Includes
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12 | // ---------------------------------------------------------------------------
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13 | #include <xercesc/framework/StdInInputSource.hpp>
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14 | #include <xercesc/parsers/SAXParser.hpp>
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15 | #include <xercesc/util/OutOfMemoryException.hpp>
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16 | #include <xercesc/util/BinFileInputStream.hpp>
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17 | // ---------------------------------------------------------------------------
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18 | // Includes
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19 | // ---------------------------------------------------------------------------
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20 | #include <xercesc/sax/AttributeList.hpp>
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21 | #include <xercesc/sax/SAXParseException.hpp>
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22 | #include <xercesc/sax/SAXException.hpp>
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23 |
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24 | #include "X3dParser.h"
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25 |
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26 | #include "X3dParserXerces.h"
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27 | #include "Mesh.h"
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28 | #include "SceneGraph.h"
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29 | #include "Triangle3.h"
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30 | #include "ViewCellsManager.h"
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31 | #include "ResourceManager.h"
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32 |
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33 | namespace GtpVisibilityPreprocessor {
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34 |
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35 | float X3dParser::DEFAULT_VIEWCELL_HEIGHT = 5.0f;
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36 |
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37 | // ---------------------------------------------------------------------------
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38 | // Local data
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39 | //
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40 | // doNamespaces
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41 | // Indicates whether namespace processing should be enabled or not.
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42 | // The default is no, but -n overrides that.
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43 | //
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44 | // doSchema
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45 | // Indicates whether schema processing should be enabled or not.
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46 | // The default is no, but -s overrides that.
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47 | //
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48 | // schemaFullChecking
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49 | // Indicates whether full schema constraint checking should be enabled or not.
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50 | // The default is no, but -s overrides that.
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51 | //
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52 | // valScheme
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53 | // Indicates what validation scheme to use. It defaults to 'auto', but
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54 | // can be set via the -v= command.
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55 | // ---------------------------------------------------------------------------
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56 | static bool doNamespaces = false;
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57 | static bool doSchema = false;
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58 | static bool schemaFullChecking = false;
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59 | static SAXParser::ValSchemes valScheme = SAXParser::Val_Auto;
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60 |
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61 | #define ROTATE_SCENE 0
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62 |
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63 | static int sUniqueMeshIdx = 0;
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64 |
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65 | // hack: rotate mesh by n degrees
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66 | static void RotateMesh(Mesh *mesh, const float angle)
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67 | {
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68 | VertexContainer::iterator it, it_end = mesh->mVertices.end();
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69 |
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70 | const float angleRad = angle * PI / 180.0f;
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71 | const Matrix4x4 rot = RotationYMatrix(angleRad);
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72 |
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73 | for (it = mesh->mVertices.begin(); it != it_end; ++ it)
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74 | {
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75 | (*it) = rot * (*it);
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76 | }
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77 | }
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78 |
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79 | // ---------------------------------------------------------------------------
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80 | // StdInParseHandlers: Constructors and Destructor
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81 | // ---------------------------------------------------------------------------
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82 | X3dParseHandlers::X3dParseHandlers(SceneGraphNode *root, const bool loadPolygonsAsMeshes):
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83 | mElementCount(0)
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84 | , mAttrCount(0)
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85 | , mCharacterCount(0)
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86 | , mSpaceCount(0)
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87 | , mLoadPolygonsAsMeshes(loadPolygonsAsMeshes)
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88 | , mCurrentMesh(NULL)
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89 | {
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90 | mCurrentNode = root;
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91 |
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92 | // this matrix should never be removed from stack
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93 | //mTransformations.push(IdentityMatrix());
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94 | }
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95 |
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96 | X3dParseHandlers::~X3dParseHandlers()
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97 | {
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98 | if (!mTransformations.empty())
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99 | cout << "error: transformation stack size: " << (int)mTransformations.size() << endl;
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100 | }
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101 |
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102 |
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103 | // ---------------------------------------------------------------------------
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104 | // StdInParseHandlers: Implementation of the SAX DocumentHandler interface
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105 | // ---------------------------------------------------------------------------
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106 |
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107 | void X3dParseHandlers::endElement(const XMLCh* const name)
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108 | {
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109 | StrX lname(name);
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110 | string element(lname.LocalForm());
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111 |
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112 | // only create new mesh instance if define mechanism was not used
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113 | if (element == "Shape")
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114 | EndShape();
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115 |
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116 | if (element == "Transform")
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117 | EndTransform();
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118 | }
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119 |
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120 |
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121 | void X3dParseHandlers::ApplyTransformations(TrafoStack trafos, Mesh *mesh) const
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122 | {
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123 | while (!trafos.empty())
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124 | {
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125 | const Matrix4x4 m = trafos.top();
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126 | trafos.pop();
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127 |
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128 | mesh->ApplyTransformation(m);
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129 | }
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130 | }
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131 |
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132 |
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133 | void X3dParseHandlers::ApplyTransformations(TrafoStack trafos,
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134 | TransformedMeshInstance *mi) const
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135 | {
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136 | while (!trafos.empty())
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137 | {
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138 | const Matrix4x4 m = trafos.top();
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139 | trafos.pop();
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140 |
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141 | mi->ApplyWorldTransform(m);
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142 | }
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143 | }
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144 |
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145 |
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146 | void X3dParseHandlers::StartTransform(AttributeList& attributes)
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147 | {
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148 | Matrix4x4 currentTransform = IdentityMatrix();
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149 |
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150 | const int len = attributes.getLength();
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151 |
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152 | Matrix4x4 *rotm = NULL;
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153 | Matrix4x4 *scalem = NULL;
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154 | Matrix4x4 *translm = NULL;
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155 |
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156 | for (int i = 0; i < len; ++ i)
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157 | {
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158 | string attrName(StrX(attributes.getName(i)).LocalForm());
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159 |
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160 | StrX attrValue(attributes.getValue(i));
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161 | const char *ptr = attrValue.LocalForm();
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162 |
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163 | if (attrName == "rotation")
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164 | {
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165 | Vector3 axis;
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166 | float angle;
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167 |
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168 | if (sscanf(ptr, "%f %f %f %f", &axis.x, &axis.y, &axis.z, &angle) == 4)
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169 | {
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170 | rotm = new Matrix4x4(RotationAxisMatrix(axis, angle));
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171 | }
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172 | }
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173 | else if (attrName == "translation")
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174 | {
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175 | Vector3 transl;
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176 |
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177 | if (sscanf(ptr, "%f %f %f %f", &transl.x, &transl.y, &transl.z) == 3)
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178 | {
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179 | translm = new Matrix4x4(TranslationMatrix(transl));
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180 | }
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181 | }
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182 | else if (attrName == "scale")
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183 | {
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184 | Vector3 scale;
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185 |
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186 | if (sscanf(ptr, "%f %f %f %f", &scale.x, &scale.y, &scale.z) == 3)
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187 | {
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188 | scalem = new Matrix4x4(ScaleMatrix(scale.x, scale.y, scale.z));
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189 | }
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190 | }
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191 | // todo: scale orientation
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192 | }
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193 |
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194 | if (scalem)
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195 | currentTransform *= (*scalem);
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196 | if (rotm)
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197 | currentTransform *= (*rotm);
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198 | if (translm)
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199 | currentTransform *= (*translm);
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200 |
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201 | DEL_PTR(scalem);
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202 | DEL_PTR(rotm);
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203 | DEL_PTR(translm);
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204 |
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205 | mTransformations.push(currentTransform);
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206 | }
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207 |
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208 |
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209 | void X3dParseHandlers::EndTransform()
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210 | {
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211 | mTransformations.pop();
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212 | }
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213 |
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214 |
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215 | void X3dParseHandlers::EndShape()
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216 | {
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217 | //-- if shape is merely a definition => don't create particular mesh instance
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218 | if (!mCurrentMesh || mIsMeshDefinition)
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219 | {
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220 | return;
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221 | }
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222 |
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223 | //-- each polygon is one single mesh
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224 | if (mLoadPolygonsAsMeshes)
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225 | {
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226 | FaceContainer::const_iterator fit, fit_end = mCurrentMesh->mFaces.end();
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227 |
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228 | cout << "m";
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229 |
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230 | for (fit = mCurrentMesh->mFaces.begin(); fit != fit_end; ++ fit)
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231 | {
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232 | cout << "f";
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233 |
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234 | Face *face = *fit;
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235 |
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236 | // we create a new mesh for each face from the current mesh
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237 | Mesh *mesh = MeshManager::GetSingleton()->CreateResource();
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238 |
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239 | VertexIndexContainer::const_iterator vit, vit_end = face->mVertexIndices.end();
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240 |
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241 | int i = 0;
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242 | VertexIndexContainer vcIndices;
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243 |
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244 | for (vit = face->mVertexIndices.begin(); vit != vit_end; ++ vit, ++ i)
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245 | {
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246 | cout << "i";
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247 | const int index = (*vit);
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248 |
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249 | // add vertices
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250 | mesh->mVertices.push_back(mCurrentMesh->mVertices[index]);
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251 |
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252 | // indices don't make much sense if mesh = face, but
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253 | // we need them anyway ...
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254 | vcIndices.push_back(i);
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255 | }
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256 |
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257 | mesh->mFaces.push_back(new Face(vcIndices));
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258 |
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259 | // NOTE: should rather be written into trafo of mesh instance
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260 | ApplyTransformations(mTransformations, mesh);
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261 |
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262 | mesh->Preprocess();
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263 |
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264 | // make an instance of this mesh
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265 | MeshInstance *mi = new MeshInstance(mesh);
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266 | mCurrentNode->mGeometry.push_back(mi);
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267 | }
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268 |
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269 | // this mesh is not needed, unless it is used as a definition
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270 | if (!mUsingMeshDefinition)
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271 | MeshManager::GetSingleton()->DestroyEntry(mCurrentMesh->GetId());
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272 | }
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273 | else // default usage: create a mesh instance from the current mesh
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274 | {
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275 | MeshInstance *mi;
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276 |
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277 | if (0 && !mUsingMeshDefinition)
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278 | {
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279 | // make an instance of this mesh
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280 | mi = new MeshInstance(mCurrentMesh);
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281 |
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282 | // this mesh is used only once => write transformations directly into it
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283 | ApplyTransformations(mTransformations, mCurrentMesh);
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284 | }
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285 | else
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286 | {
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287 | // make an instance of this mesh
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288 | TransformedMeshInstance *tmi = new TransformedMeshInstance(mCurrentMesh);
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289 |
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290 | // apply transformation on the instance of the mesh
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291 | ApplyTransformations(mTransformations, tmi);
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292 |
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293 | mi = tmi;
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294 | }
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295 |
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296 | if (mCurrentMaterial)
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297 | {
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298 | // HACK: add the material to the mesh directly if no material yet
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299 | if (mCurrentMesh->mMaterial)
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300 | {
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301 | mCurrentMesh->mMaterial = mCurrentMaterial;
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302 | }
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303 | else // add material to the instance
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304 | {
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305 | mi->SetMaterial(mCurrentMaterial);
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306 | }
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307 | }
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308 |
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309 | // create local mesh kd tree
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310 | mCurrentMesh->Preprocess();
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311 | // add to scene graph
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312 | mCurrentNode->mGeometry.push_back(mi);
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313 |
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314 | // reset current mesh
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315 | mCurrentMesh = NULL;
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316 | }
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317 | }
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318 |
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319 |
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320 | void X3dParseHandlers::StartIndexedFaceSet(AttributeList& attributes)
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321 | {
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322 | //-- indexedfaceset corresponds to Mesh in our implementation
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323 | const int len = attributes.getLength();
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324 |
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325 | VertexIndexContainer vertices;
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326 |
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327 | mIsMeshDefinition = false;
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328 | mUsingMeshDefinition = false;
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329 |
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330 | for (int i = 0; i < len; ++ i)
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331 | {
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332 | const string attrName(StrX(attributes.getName(i)).LocalForm());
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333 |
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334 | //-- we use an already defined mesh
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335 | if (attrName == "USE")
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336 | {
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337 | StrX attrValue(attributes.getValue(i));
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338 | const char *meshName = attrValue.LocalForm();
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339 |
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340 | mUsingMeshDefinition = true;
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341 |
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342 | // retrieve mesh from mesh container
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343 | const int meshIdx = mMeshDefinitions[meshName];
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344 |
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345 | mCurrentMesh =
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346 | MeshManager::GetSingleton()->FindEntry(meshIdx);
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347 |
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348 | //Debug << "retrieving mesh definition: " << mCurrentMeshName << endl;
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349 | cout << "u";
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350 | }
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351 | else if (attrName == "DEF") //-- a definition of a mesh
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352 | {
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353 | const StrX attrValue(attributes.getValue(i));
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354 | const char *meshName = attrValue.LocalForm();
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355 |
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356 | // this is only a definition, don't create actual instance
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357 | mIsMeshDefinition = true;
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358 |
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359 | //-- create new mesh definition
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360 | mCurrentMesh = MeshManager::GetSingleton()->CreateResource();
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361 |
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362 | // store the mesh defination in a lookup table
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363 | mMeshDefinitions[meshName] = mCurrentMesh->GetId();
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364 | cout << "d";
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365 | }
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366 |
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367 | //-- read coordinate indices for current mesh
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368 | else if (attrName == "coordIndex")
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369 | {
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370 | StrX attrValue(attributes.getValue(i));
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371 | const char *ptr = attrValue.LocalForm();
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372 |
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373 | //-- immediate use: create a new mesh using a generic name
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374 | if (!mCurrentMesh)
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375 | {
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376 | mCurrentMesh = MeshManager::GetSingleton()->CreateResource();
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377 | }
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378 |
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379 | // handle coordIndex
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380 | vertices.clear();
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381 |
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382 |
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383 | char *endptr;
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384 |
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385 | while (1)
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386 | {
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387 | int index = strtol(ptr, &endptr, 10);
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388 |
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389 | if (ptr == endptr || index == -1)
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390 | {
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391 | if (vertices.size() > 2)
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392 | {
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393 | Face *face = new Face(vertices);
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394 | mCurrentMesh->mFaces.push_back(face);
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395 | }
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396 |
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397 | vertices.clear();
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398 |
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399 | if (ptr == endptr)
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400 | break;
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401 |
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402 | }
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403 | else
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404 | {
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405 | vertices.push_back(index);
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406 | }
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407 | ptr = endptr;
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408 | }
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409 | }
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410 | }
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411 | }
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412 |
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413 |
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414 | void
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415 | X3dParseHandlers::StartMaterial(AttributeList& attributes)
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416 | {
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417 | const int len = attributes.getLength();
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418 |
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419 | mCurrentMaterial = MaterialManager::GetSingleton()->CreateResource();
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420 |
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421 | for (int i = 0; i < len; ++ i)
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422 | {
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423 | const string attrName(StrX(attributes.getName(i)).LocalForm());
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424 |
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425 | const StrX attrValue(attributes.getValue(i));
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426 | const char *ptr = attrValue.LocalForm();
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427 |
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428 |
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429 | //-- we use an already defined material
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430 | if (attrName == "USE")
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431 | {
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432 | //mUsingMaterialDefinition = true;
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433 | string matName(ptr);
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434 |
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435 | // retrieve mesh from mesh container
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436 | const int matIdx = mMaterialDefinitions[matName];
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437 |
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438 | mCurrentMaterial =
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439 | MaterialManager::GetSingleton()->FindEntry(matIdx);
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440 |
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441 | //Debug << "retrieving mesh definition: " << mCurrentMeshName << endl;
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442 | cout << "u";
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443 | }
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444 | else if (attrName == "DEF") //-- a definition of a material
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445 | {
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446 | //mIsMaterialDefinition = true;
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447 | string matName(ptr);
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448 |
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449 | //-- create new material definition
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450 | mCurrentMaterial = MaterialManager::GetSingleton()->CreateResource();
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451 | // store the mesh defination in a lookup table
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452 | mMaterialDefinitions[matName] = mCurrentMaterial->GetId();
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453 | cout << "d";
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454 | }
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455 | // TODO: support not only diffuse material
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456 | else if (attrName == "diffuseColor")
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457 | {
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458 | float r, g, b;
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459 |
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460 | if (sscanf(ptr, "%f %f %f", &r, &g, &b) == 3)
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461 | mCurrentMaterial->mDiffuseColor = RgbColor(r, g, b);
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462 | }
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463 | }
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464 | }
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465 |
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466 |
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467 | void
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468 | X3dParseHandlers::StartCoordinate(AttributeList& attributes)
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469 | {
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470 | const int len = attributes.getLength();
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471 |
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472 | int i;
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473 | VertexContainer vertices;
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474 |
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475 | for (i=0; i < len; i++)
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476 | {
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477 | const string attrName(StrX(attributes.getName(i)).LocalForm());
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478 |
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479 | if (attrName == "point")
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480 | {
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481 | StrX attrValue(attributes.getValue(i));
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482 |
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483 |
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484 | const char *ptr = attrValue.LocalForm();
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485 | char *endptr;
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486 |
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487 |
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488 | while (1)
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489 | {
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490 | float x = (float)strtod(ptr, &endptr);
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491 |
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492 | if (ptr == endptr)
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493 | break;
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494 |
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495 | ptr = endptr;
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496 |
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497 | float y = (float)strtod(ptr, &endptr);
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498 |
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499 | if (ptr == endptr)
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500 | break;
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501 |
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502 | ptr = endptr;
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503 |
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504 | float z = (float)strtod(ptr, &endptr);
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505 | if (ptr == endptr)
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506 | break;
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507 |
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508 | ptr = endptr;
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509 |
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---|
510 | if (*ptr == ',')
|
---|
511 | ptr ++;
|
---|
512 |
|
---|
513 | Vector3 v(x, y, z);
|
---|
514 | vertices.push_back(v);
|
---|
515 | }
|
---|
516 |
|
---|
517 | // substitute vertices into current mesh
|
---|
518 | mCurrentMesh->mVertices = vertices;
|
---|
519 | }
|
---|
520 | }
|
---|
521 | }
|
---|
522 |
|
---|
523 |
|
---|
524 | void
|
---|
525 | X3dParseHandlers::startElement(const XMLCh* const name,
|
---|
526 | AttributeList& attributes)
|
---|
527 | {
|
---|
528 | StrX lname(name);
|
---|
529 | string element(lname.LocalForm());
|
---|
530 |
|
---|
531 | if (element == "IndexedFaceSet") {
|
---|
532 | // create a new mesh node in the scene graph
|
---|
533 | StartIndexedFaceSet(attributes);
|
---|
534 | }
|
---|
535 |
|
---|
536 | if (element == "Shape") {
|
---|
537 | cout << "+";
|
---|
538 |
|
---|
539 | // reset current shape values
|
---|
540 | mCurrentMesh = NULL;
|
---|
541 | mCurrentMaterial = NULL;
|
---|
542 | mCurrentVertexIndices.clear();
|
---|
543 | //mCurrentVertices.clear();
|
---|
544 | }
|
---|
545 |
|
---|
546 | if (element == "Coordinate") {
|
---|
547 | StartCoordinate(attributes);
|
---|
548 | }
|
---|
549 |
|
---|
550 | // todo
|
---|
551 | if (0 && element == "Material") {
|
---|
552 | StartMaterial(attributes);
|
---|
553 | }
|
---|
554 |
|
---|
555 | if (element == "Transform") {
|
---|
556 | StartTransform(attributes);
|
---|
557 | }
|
---|
558 |
|
---|
559 | ++ mElementCount;
|
---|
560 | mAttrCount += attributes.getLength();
|
---|
561 | }
|
---|
562 |
|
---|
563 | void
|
---|
564 | X3dParseHandlers::characters(const XMLCh* const chars,
|
---|
565 | const unsigned int length)
|
---|
566 | {
|
---|
567 | mCharacterCount += length;
|
---|
568 | }
|
---|
569 |
|
---|
570 | void
|
---|
571 | X3dParseHandlers::ignorableWhitespace(const XMLCh* const chars,
|
---|
572 | const unsigned int length)
|
---|
573 | {
|
---|
574 | mSpaceCount += length;
|
---|
575 | }
|
---|
576 |
|
---|
577 | void
|
---|
578 | X3dParseHandlers::resetDocument()
|
---|
579 | {
|
---|
580 | mAttrCount = 0;
|
---|
581 | mCharacterCount = 0;
|
---|
582 | mElementCount = 0;
|
---|
583 | mSpaceCount = 0;
|
---|
584 | }
|
---|
585 |
|
---|
586 |
|
---|
587 | // ---------------------------------------------------------------------------
|
---|
588 | // StdInParseHandlers: Overrides of the SAX ErrorHandler interface
|
---|
589 | // ---------------------------------------------------------------------------
|
---|
590 |
|
---|
591 |
|
---|
592 | void
|
---|
593 | X3dParseHandlers::error(const SAXParseException& e)
|
---|
594 | {
|
---|
595 | XERCES_STD_QUALIFIER cerr << "\nError at (file " << StrX(e.getSystemId())
|
---|
596 | << ", line " << e.getLineNumber()
|
---|
597 | << ", char " << e.getColumnNumber()
|
---|
598 | << "): " << StrX(e.getMessage()) << XERCES_STD_QUALIFIER endl;
|
---|
599 | }
|
---|
600 |
|
---|
601 | void
|
---|
602 | X3dParseHandlers::fatalError(const SAXParseException& e)
|
---|
603 | {
|
---|
604 | XERCES_STD_QUALIFIER cerr << "\nFatal Error at (file " << StrX(e.getSystemId())
|
---|
605 | << ", line " << e.getLineNumber()
|
---|
606 | << ", char " << e.getColumnNumber()
|
---|
607 | << "): " << StrX(e.getMessage()) << XERCES_STD_QUALIFIER endl;
|
---|
608 | }
|
---|
609 |
|
---|
610 | void
|
---|
611 | X3dParseHandlers::warning(const SAXParseException& e)
|
---|
612 | {
|
---|
613 | XERCES_STD_QUALIFIER cerr << "\nWarning at (file " << StrX(e.getSystemId())
|
---|
614 | << ", line " << e.getLineNumber()
|
---|
615 | << ", char " << e.getColumnNumber()
|
---|
616 | << "): " << StrX(e.getMessage()) << XERCES_STD_QUALIFIER endl;
|
---|
617 | }
|
---|
618 |
|
---|
619 | /*************************************************************************/
|
---|
620 | /* X3dParser implementation */
|
---|
621 | /*******************+*****************************************************/
|
---|
622 |
|
---|
623 | X3dParser::X3dParser():
|
---|
624 | mViewCellHeight(DEFAULT_VIEWCELL_HEIGHT)
|
---|
625 | {}
|
---|
626 |
|
---|
627 | bool
|
---|
628 | X3dParser::ParseFile(const string filename,
|
---|
629 | SceneGraphNode **root,
|
---|
630 | const bool loadPolygonsAsMeshes)
|
---|
631 | {
|
---|
632 | // Initialize the XML4C system
|
---|
633 | try {
|
---|
634 | XMLPlatformUtils::Initialize();
|
---|
635 | }
|
---|
636 |
|
---|
637 | catch (const XMLException& toCatch)
|
---|
638 | {
|
---|
639 | XERCES_STD_QUALIFIER cerr << "Error during initialization! Message:\n"
|
---|
640 | << StrX(toCatch.getMessage()) << XERCES_STD_QUALIFIER endl;
|
---|
641 | return false;
|
---|
642 | }
|
---|
643 |
|
---|
644 |
|
---|
645 | //
|
---|
646 | // Create a SAX parser object. Then, according to what we were told on
|
---|
647 | // the command line, set the options.
|
---|
648 | //
|
---|
649 | SAXParser* parser = new SAXParser;
|
---|
650 | parser->setValidationScheme(valScheme);
|
---|
651 | parser->setDoNamespaces(doNamespaces);
|
---|
652 | parser->setDoSchema(doSchema);
|
---|
653 | parser->setValidationSchemaFullChecking(schemaFullChecking);
|
---|
654 |
|
---|
655 |
|
---|
656 | //
|
---|
657 | // Create our SAX handler object and install it on the parser, as the
|
---|
658 | // document and error handler. We are responsible for cleaning them
|
---|
659 | // up, but since its just stack based here, there's nothing special
|
---|
660 | // to do.
|
---|
661 | //
|
---|
662 | *root = new SceneGraphNode;
|
---|
663 | X3dParseHandlers handler(*root, loadPolygonsAsMeshes);
|
---|
664 | parser->setDocumentHandler(&handler);
|
---|
665 | parser->setErrorHandler(&handler);
|
---|
666 |
|
---|
667 | unsigned long duration;
|
---|
668 | int errorCount = 0;
|
---|
669 | // create a faux scope so that 'src' destructor is called before
|
---|
670 | // XMLPlatformUtils::Terminate
|
---|
671 | {
|
---|
672 | //
|
---|
673 | // Kick off the parse and catch any exceptions. Create a standard
|
---|
674 | // input input source and tell the parser to parse from that.
|
---|
675 | //
|
---|
676 | // StdInInputSource src;
|
---|
677 | try
|
---|
678 | {
|
---|
679 | const unsigned long startMillis = XMLPlatformUtils::getCurrentMillis();
|
---|
680 | parser->parse(filename.c_str());
|
---|
681 |
|
---|
682 | const unsigned long endMillis = XMLPlatformUtils::getCurrentMillis();
|
---|
683 | duration = endMillis - startMillis;
|
---|
684 | errorCount = parser->getErrorCount();
|
---|
685 | }
|
---|
686 | catch (const OutOfMemoryException&)
|
---|
687 | {
|
---|
688 | XERCES_STD_QUALIFIER cerr << "OutOfMemoryException" << XERCES_STD_QUALIFIER endl;
|
---|
689 | errorCount = 2;
|
---|
690 | return false;
|
---|
691 | }
|
---|
692 | catch (const XMLException& e)
|
---|
693 | {
|
---|
694 | XERCES_STD_QUALIFIER cerr << "\nError during parsing: \n"
|
---|
695 | << StrX(e.getMessage())
|
---|
696 | << "\n" << XERCES_STD_QUALIFIER endl;
|
---|
697 | errorCount = 1;
|
---|
698 | return false;
|
---|
699 | }
|
---|
700 |
|
---|
701 |
|
---|
702 | // Print out the stats that we collected and time taken
|
---|
703 | if (!errorCount) {
|
---|
704 | XERCES_STD_QUALIFIER cout << filename << ": " << duration << " ms ("
|
---|
705 | << handler.GetElementCount() << " elems, "
|
---|
706 | << handler.GetAttrCount() << " attrs, "
|
---|
707 | << handler.GetSpaceCount() << " spaces, "
|
---|
708 | << handler.GetCharacterCount() << " chars)" << XERCES_STD_QUALIFIER endl;
|
---|
709 | }
|
---|
710 | }
|
---|
711 |
|
---|
712 | //
|
---|
713 | // Delete the parser itself. Must be done prior to calling Terminate, below.
|
---|
714 | //
|
---|
715 | delete parser;
|
---|
716 |
|
---|
717 | XMLPlatformUtils::Terminate();
|
---|
718 |
|
---|
719 | if (errorCount > 0)
|
---|
720 | return false;
|
---|
721 | else
|
---|
722 | return true;
|
---|
723 | }
|
---|
724 |
|
---|
725 |
|
---|
726 |
|
---|
727 | /************************************************************************/
|
---|
728 | /* class X3dViewCellsParseHandlers implementation */
|
---|
729 | /************************************************************************/
|
---|
730 |
|
---|
731 |
|
---|
732 | // ---------------------------------------------------------------------------
|
---|
733 | // StdInParseHandlers: Constructors and Destructor
|
---|
734 | // ---------------------------------------------------------------------------
|
---|
735 | X3dViewCellsParseHandlers::X3dViewCellsParseHandlers(ViewCellsManager *viewCellsManager,
|
---|
736 | const float viewCellHeight):
|
---|
737 | mElementCount(0),
|
---|
738 | mAttrCount(0),
|
---|
739 | mCharacterCount(0),
|
---|
740 | mSpaceCount(0),
|
---|
741 | mViewCellsManager(viewCellsManager),
|
---|
742 | mViewCellHeight(viewCellHeight)
|
---|
743 | {
|
---|
744 | }
|
---|
745 |
|
---|
746 | X3dViewCellsParseHandlers::~X3dViewCellsParseHandlers()
|
---|
747 | {
|
---|
748 | }
|
---|
749 |
|
---|
750 |
|
---|
751 | // ---------------------------------------------------------------------------
|
---|
752 | // StdInParseHandlers: Implementation of the SAX DocumentHandler interface
|
---|
753 | // ---------------------------------------------------------------------------
|
---|
754 | void X3dViewCellsParseHandlers::endElement(const XMLCh* const name)
|
---|
755 | {
|
---|
756 | StrX lname(name);
|
---|
757 |
|
---|
758 | string element(lname.LocalForm());
|
---|
759 |
|
---|
760 | if (element == "Shape")
|
---|
761 | EndShape();
|
---|
762 | }
|
---|
763 |
|
---|
764 | void
|
---|
765 | X3dViewCellsParseHandlers::EndShape()
|
---|
766 | {
|
---|
767 | // currently processing no shape
|
---|
768 | }
|
---|
769 |
|
---|
770 | void
|
---|
771 | X3dViewCellsParseHandlers::StartIndexedFaceSet(
|
---|
772 | AttributeList& attributes)
|
---|
773 | {
|
---|
774 | int len = attributes.getLength();
|
---|
775 | int i;
|
---|
776 |
|
---|
777 | for (i=0; i < len; i++)
|
---|
778 | {
|
---|
779 | string attrName(StrX(attributes.getName(i)).LocalForm());
|
---|
780 |
|
---|
781 |
|
---|
782 | if (attrName == "coordIndex")
|
---|
783 | {
|
---|
784 | StrX attrValue(attributes.getValue(i));
|
---|
785 |
|
---|
786 | // handle coordIndex
|
---|
787 | const char *ptr = attrValue.LocalForm();
|
---|
788 | char *endptr;
|
---|
789 |
|
---|
790 | while (1)
|
---|
791 | {
|
---|
792 | int index = strtol(ptr, &endptr, 10);
|
---|
793 |
|
---|
794 | if (ptr == endptr)
|
---|
795 | break;
|
---|
796 |
|
---|
797 | if (index != -1)
|
---|
798 | {
|
---|
799 | mCurrentVertexIndices.push_back(index);
|
---|
800 | }
|
---|
801 |
|
---|
802 | ptr = endptr;
|
---|
803 | }
|
---|
804 | }
|
---|
805 | }
|
---|
806 | }
|
---|
807 |
|
---|
808 |
|
---|
809 | void
|
---|
810 | X3dViewCellsParseHandlers::StartCoordinate(AttributeList& attributes)
|
---|
811 | {
|
---|
812 | int len = attributes.getLength();
|
---|
813 |
|
---|
814 | VertexContainer vertices;
|
---|
815 | int i;
|
---|
816 | for (i=0; i < len; i++)
|
---|
817 | {
|
---|
818 | string attrName(StrX(attributes.getName(i)).LocalForm());
|
---|
819 |
|
---|
820 | if (attrName == "point")
|
---|
821 | {
|
---|
822 | StrX attrValue(attributes.getValue(i));
|
---|
823 |
|
---|
824 | const char *ptr = attrValue.LocalForm();
|
---|
825 |
|
---|
826 | char *endptr;
|
---|
827 |
|
---|
828 | while (1)
|
---|
829 | {
|
---|
830 | float x = (float)strtod(ptr, &endptr);
|
---|
831 |
|
---|
832 | if (ptr == endptr)
|
---|
833 | break;
|
---|
834 | ptr = endptr;
|
---|
835 |
|
---|
836 | float y = (float)(float)strtod(ptr, &endptr);
|
---|
837 |
|
---|
838 |
|
---|
839 | if (ptr == endptr)
|
---|
840 | break;
|
---|
841 | ptr = endptr;
|
---|
842 |
|
---|
843 | float z = (float)(float)strtod(ptr, &endptr);
|
---|
844 |
|
---|
845 | if (ptr == endptr)
|
---|
846 | break;
|
---|
847 |
|
---|
848 | ptr = endptr;
|
---|
849 | if (*ptr == ',')
|
---|
850 | ptr++;
|
---|
851 |
|
---|
852 | Vector3 v(x, y, z);
|
---|
853 | vertices.push_back(v);
|
---|
854 | }
|
---|
855 | }
|
---|
856 | }
|
---|
857 |
|
---|
858 | for (i = 0; i < mCurrentVertexIndices.size(); i += 3)
|
---|
859 | {
|
---|
860 | Triangle3 baseTri(vertices[mCurrentVertexIndices[i + 0]],
|
---|
861 | vertices[mCurrentVertexIndices[i + 1]],
|
---|
862 | vertices[mCurrentVertexIndices[i + 2]]);
|
---|
863 |
|
---|
864 | // create view cell from base triangle
|
---|
865 | mViewCellsManager->AddViewCell(
|
---|
866 | mViewCellsManager->ExtrudeViewCell(baseTri,
|
---|
867 | mViewCellHeight));
|
---|
868 | }
|
---|
869 | }
|
---|
870 |
|
---|
871 |
|
---|
872 | void
|
---|
873 | X3dViewCellsParseHandlers::startElement(const XMLCh* const name,
|
---|
874 | AttributeList& attributes)
|
---|
875 | {
|
---|
876 | StrX lname(name);
|
---|
877 | string element(lname.LocalForm());
|
---|
878 |
|
---|
879 | if (element == "IndexedFaceSet") {
|
---|
880 | // create the viewcells from individual triangles
|
---|
881 | StartIndexedFaceSet(attributes);
|
---|
882 | }
|
---|
883 |
|
---|
884 | if (element == "Coordinate") {
|
---|
885 | // add coordinates to the triangles
|
---|
886 | StartCoordinate(attributes);
|
---|
887 | }
|
---|
888 | // do nothing
|
---|
889 | //if (element == "Shape") {}
|
---|
890 | // ignore material
|
---|
891 | //if (element == "Material") {}
|
---|
892 |
|
---|
893 | ++ mElementCount;
|
---|
894 | mAttrCount += attributes.getLength();
|
---|
895 | }
|
---|
896 |
|
---|
897 | void
|
---|
898 | X3dViewCellsParseHandlers::characters(const XMLCh* const chars,
|
---|
899 | const unsigned int length)
|
---|
900 | {
|
---|
901 | mCharacterCount += length;
|
---|
902 | }
|
---|
903 |
|
---|
904 | void
|
---|
905 | X3dViewCellsParseHandlers::ignorableWhitespace(const XMLCh* const chars,
|
---|
906 | const unsigned int length)
|
---|
907 | {
|
---|
908 | mSpaceCount += length;
|
---|
909 | }
|
---|
910 |
|
---|
911 | void
|
---|
912 | X3dViewCellsParseHandlers::resetDocument()
|
---|
913 | {
|
---|
914 | mAttrCount = 0;
|
---|
915 | mCharacterCount = 0;
|
---|
916 | mElementCount = 0;
|
---|
917 | mSpaceCount = 0;
|
---|
918 | }
|
---|
919 |
|
---|
920 |
|
---|
921 |
|
---|
922 | // ---------------------------------------------------------------------------
|
---|
923 | // StdInParseHandlers: Overrides of the SAX ErrorHandler interface
|
---|
924 | // ---------------------------------------------------------------------------
|
---|
925 | void
|
---|
926 | X3dViewCellsParseHandlers::error(const SAXParseException& e)
|
---|
927 | {
|
---|
928 | XERCES_STD_QUALIFIER cerr << "\nError at (file " << StrX(e.getSystemId())
|
---|
929 | << ", line " << e.getLineNumber()
|
---|
930 | << ", char " << e.getColumnNumber()
|
---|
931 | << "): " << StrX(e.getMessage()) << XERCES_STD_QUALIFIER endl;
|
---|
932 | }
|
---|
933 |
|
---|
934 | void
|
---|
935 | X3dViewCellsParseHandlers::fatalError(const SAXParseException& e)
|
---|
936 | {
|
---|
937 | XERCES_STD_QUALIFIER cerr << "\nFatal Error at (file " << StrX(e.getSystemId())
|
---|
938 | << ", line " << e.getLineNumber()
|
---|
939 | << ", char " << e.getColumnNumber()
|
---|
940 | << "): " << StrX(e.getMessage()) << XERCES_STD_QUALIFIER endl;
|
---|
941 | }
|
---|
942 |
|
---|
943 | void
|
---|
944 | X3dViewCellsParseHandlers::warning(const SAXParseException& e)
|
---|
945 | {
|
---|
946 | XERCES_STD_QUALIFIER cerr << "\nWarning at (file " << StrX(e.getSystemId())
|
---|
947 | << ", line " << e.getLineNumber()
|
---|
948 | << ", char " << e.getColumnNumber()
|
---|
949 | << "): " << StrX(e.getMessage()) << XERCES_STD_QUALIFIER endl;
|
---|
950 | }
|
---|
951 |
|
---|
952 |
|
---|
953 | bool
|
---|
954 | X3dParser::ParseFile(const string filename, ViewCellsManager &viewCells)
|
---|
955 | {
|
---|
956 | // Initialize the XML4C system
|
---|
957 | try {
|
---|
958 | XMLPlatformUtils::Initialize();
|
---|
959 | }
|
---|
960 |
|
---|
961 | catch (const XMLException& toCatch)
|
---|
962 | {
|
---|
963 | XERCES_STD_QUALIFIER cerr << "Error during initialization! Message:\n"
|
---|
964 | << StrX(toCatch.getMessage()) << XERCES_STD_QUALIFIER endl;
|
---|
965 | return false;
|
---|
966 | }
|
---|
967 |
|
---|
968 |
|
---|
969 | //
|
---|
970 | // Create a SAX parser object. Then, according to what we were told on
|
---|
971 | // the command line, set the options.
|
---|
972 | //
|
---|
973 | SAXParser* parser = new SAXParser;
|
---|
974 | parser->setValidationScheme(valScheme);
|
---|
975 | parser->setDoNamespaces(doNamespaces);
|
---|
976 | parser->setDoSchema(doSchema);
|
---|
977 | parser->setValidationSchemaFullChecking(schemaFullChecking);
|
---|
978 |
|
---|
979 |
|
---|
980 | //
|
---|
981 | // Create our SAX handler object and install it on the parser, as the
|
---|
982 | // document and error handler. We are responsible for cleaning them
|
---|
983 | // up, but since its just stack based here, there's nothing special
|
---|
984 | // to do.
|
---|
985 | //
|
---|
986 | X3dViewCellsParseHandlers handler(&viewCells, mViewCellHeight);
|
---|
987 | parser->setDocumentHandler(&handler);
|
---|
988 | parser->setErrorHandler(&handler);
|
---|
989 |
|
---|
990 | unsigned long duration;
|
---|
991 | int errorCount = 0;
|
---|
992 | // create a faux scope so that 'src' destructor is called before
|
---|
993 | // XMLPlatformUtils::Terminate
|
---|
994 | {
|
---|
995 | //
|
---|
996 | // Kick off the parse and catch any exceptions. Create a standard
|
---|
997 | // input input source and tell the parser to parse from that.
|
---|
998 | //
|
---|
999 | // StdInInputSource src;
|
---|
1000 | try
|
---|
1001 | {
|
---|
1002 | const unsigned long startMillis = XMLPlatformUtils::getCurrentMillis();
|
---|
1003 | //GzBinFileInputStream str(filename.c_str());
|
---|
1004 |
|
---|
1005 | parser->parse(filename.c_str());
|
---|
1006 | const unsigned long endMillis = XMLPlatformUtils::getCurrentMillis();
|
---|
1007 | duration = endMillis - startMillis;
|
---|
1008 | errorCount = parser->getErrorCount();
|
---|
1009 | }
|
---|
1010 | catch (const OutOfMemoryException&)
|
---|
1011 | {
|
---|
1012 | XERCES_STD_QUALIFIER cerr << "OutOfMemoryException" << XERCES_STD_QUALIFIER endl;
|
---|
1013 | errorCount = 2;
|
---|
1014 | return false;
|
---|
1015 | }
|
---|
1016 | catch (const XMLException& e)
|
---|
1017 | {
|
---|
1018 | XERCES_STD_QUALIFIER cerr << "\nError during parsing: \n"
|
---|
1019 | << StrX(e.getMessage())
|
---|
1020 | << "\n" << XERCES_STD_QUALIFIER endl;
|
---|
1021 | errorCount = 1;
|
---|
1022 | return false;
|
---|
1023 | }
|
---|
1024 |
|
---|
1025 |
|
---|
1026 | // Print out the stats that we collected and time taken
|
---|
1027 | if (!errorCount) {
|
---|
1028 | XERCES_STD_QUALIFIER cout << filename << ": " << duration << " ms ("
|
---|
1029 | << handler.GetElementCount() << " elems, "
|
---|
1030 | << handler.GetAttrCount() << " attrs, "
|
---|
1031 | << handler.GetSpaceCount() << " spaces, "
|
---|
1032 | << handler.GetCharacterCount() << " chars)" << XERCES_STD_QUALIFIER endl;
|
---|
1033 | }
|
---|
1034 | }
|
---|
1035 |
|
---|
1036 | //
|
---|
1037 | // Delete the parser itself. Must be done prior to calling Terminate, below.
|
---|
1038 | //
|
---|
1039 | delete parser;
|
---|
1040 |
|
---|
1041 | XMLPlatformUtils::Terminate();
|
---|
1042 |
|
---|
1043 | if (errorCount > 0)
|
---|
1044 | return false;
|
---|
1045 | else
|
---|
1046 | return true;
|
---|
1047 | }
|
---|
1048 |
|
---|
1049 |
|
---|
1050 |
|
---|
1051 |
|
---|
1052 | } |
---|