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 | #include "IntersectableWrapper.h"
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33 | #include <assert.h>
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34 | #include "Polygon3.h"
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35 |
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36 | namespace GtpVisibilityPreprocessor {
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37 |
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38 | float X3dParser::DEFAULT_VIEWCELL_HEIGHT = 5.0f;
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39 |
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40 | // ---------------------------------------------------------------------------
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41 | // Local data
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42 | //
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43 | // doNamespaces
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44 | // Indicates whether namespace processing should be enabled or not.
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45 | // The default is no, but -n overrides that.
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46 | //
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47 | // doSchema
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48 | // Indicates whether schema processing should be enabled or not.
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49 | // The default is no, but -s overrides that.
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50 | //
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51 | // schemaFullChecking
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52 | // Indicates whether full schema constraint checking should be enabled or not.
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53 | // The default is no, but -s overrides that.
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54 | //
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55 | // valScheme
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56 | // Indicates what validation scheme to use. It defaults to 'auto', but
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57 | // can be set via the -v= command.
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58 | // ---------------------------------------------------------------------------
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59 | static bool doNamespaces = false;
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60 | static bool doSchema = false;
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61 | static bool schemaFullChecking = false;
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62 | static SAXParser::ValSchemes valScheme = SAXParser::Val_Auto;
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63 |
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64 | #define ROTATE_SCENE 0
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65 |
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66 | static int sUniqueMeshIdx = 0;
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67 |
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68 | // hack: rotate mesh by n degrees
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69 | static void RotateMesh(Mesh *mesh, const float angle)
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70 | {
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71 | VertexContainer::iterator it, it_end = mesh->mVertices.end();
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72 |
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73 | const float angleRad = angle * PI / 180.0f;
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74 | const Matrix4x4 rot = RotationYMatrix(angleRad);
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75 |
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76 | for (it = mesh->mVertices.begin(); it != it_end; ++ it)
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77 | {
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78 | (*it) = rot * (*it);
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79 | }
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80 | }
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81 |
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82 | // ---------------------------------------------------------------------------
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83 | // StdInParseHandlers: Constructors and Destructor
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84 | // ---------------------------------------------------------------------------
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85 | X3dParseHandlers::X3dParseHandlers(SceneGraphNode *root,
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86 | const bool loadMeshes):
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87 | mElementCount(0)
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88 | , mAttrCount(0)
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89 | , mCharacterCount(0)
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90 | , mSpaceCount(0)
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91 | , mLoadMeshes(loadMeshes)
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92 | , mCurrentMesh(NULL)
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93 | {
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94 | mCurrentNode = root;
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95 |
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96 | // this matrix should never be removed from stack
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97 | //mTransformations.push(IdentityMatrix());
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98 | }
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99 |
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100 | X3dParseHandlers::~X3dParseHandlers()
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101 | {
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102 | assert(mTransformations.empty());
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103 | if (0 && !mTransformations.empty())
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104 | cout << "error: transformation stack size: " << (int)mTransformations.size() << endl;
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105 | }
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106 |
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107 |
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108 | // ---------------------------------------------------------------------------
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109 | // StdInParseHandlers: Implementation of the SAX DocumentHandler interface
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110 | // ---------------------------------------------------------------------------
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111 |
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112 | void X3dParseHandlers::endElement(const XMLCh* const name)
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113 | {
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114 | StrX lname(name);
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115 | string element(lname.LocalForm());
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116 |
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117 | // only create new mesh instance if define mechanism was not used
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118 | if (element == "Shape")
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119 | EndShape();
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120 |
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121 | if (element == "Transform")
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122 | EndTransform();
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123 | }
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124 |
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125 |
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126 | void X3dParseHandlers::ApplyTransformations(TrafoStack trafos, Mesh *mesh) const
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127 | {
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128 | while (!trafos.empty())
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129 | {
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130 | const Matrix4x4 m = trafos.top();
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131 | trafos.pop();
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132 |
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133 | mesh->ApplyTransformation(m);
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134 | }
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135 | }
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136 |
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137 |
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138 | void X3dParseHandlers::ApplyTransformations(TrafoStack trafos,
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139 | TransformedMeshInstance *mi) const
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140 | {
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141 | while (!trafos.empty())
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142 | {
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143 | const Matrix4x4 m = trafos.top();
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144 | trafos.pop();
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145 |
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146 | mi->ApplyWorldTransform(m);
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147 | }
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148 | }
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149 |
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150 |
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151 | void X3dParseHandlers::StartTransform(AttributeList& attributes)
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152 | {
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153 | Matrix4x4 currentTransform = IdentityMatrix();
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154 |
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155 | const int len = attributes.getLength();
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156 |
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157 | Matrix4x4 *rotm = NULL;
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158 | Matrix4x4 *scalem = NULL;
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159 | Matrix4x4 *translm = NULL;
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160 |
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161 | for (int i = 0; i < len; ++ i)
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162 | {
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163 | string attrName(StrX(attributes.getName(i)).LocalForm());
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164 |
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165 | StrX attrValue(attributes.getValue(i));
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166 | const char *ptr = attrValue.LocalForm();
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167 |
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168 | if (attrName == "rotation")
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169 | {
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170 | Vector3 axis;
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171 | float angle;
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172 |
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173 | if (sscanf(ptr, "%f %f %f %f", &axis.x, &axis.y, &axis.z, &angle) == 4)
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174 | {
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175 | rotm = new Matrix4x4(RotationAxisMatrix(axis, angle));
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176 | }
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177 | }
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178 | else if (attrName == "translation")
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179 | {
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180 | Vector3 transl;
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181 |
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182 | if (sscanf(ptr, "%f %f %f", &transl.x, &transl.y, &transl.z) == 3)
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183 | {
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184 | translm = new Matrix4x4(TranslationMatrix(transl));
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185 | }
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186 | }
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187 | else if (attrName == "scale")
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188 | {
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189 | Vector3 scale;
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190 |
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191 | if (sscanf(ptr, "%f %f %f", &scale.x, &scale.y, &scale.z) == 3)
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192 | {
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193 | scalem = new Matrix4x4(ScaleMatrix(scale.x, scale.y, scale.z));
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194 | }
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195 | }
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196 | // todo: scale orientation
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197 | }
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198 |
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199 | if (scalem)
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200 | currentTransform *= (*scalem);
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201 | if (rotm)
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202 | currentTransform *= (*rotm);
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203 | if (translm)
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204 | currentTransform *= (*translm);
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205 |
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206 | DEL_PTR(scalem);
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207 | DEL_PTR(rotm);
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208 | DEL_PTR(translm);
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209 |
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210 | mTransformations.push(currentTransform);
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211 | }
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212 |
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213 |
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214 | void X3dParseHandlers::EndTransform()
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215 | {
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216 | mTransformations.pop();
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217 | }
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218 |
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219 |
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220 | void X3dParseHandlers::EndShape()
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221 | {
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222 | //////////////
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223 | //-- shape is only a definition =>
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224 | //-- don't create particular mesh instance
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225 |
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226 | if (!mCurrentMesh || mIsMeshDefinition)
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227 | {
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228 | return;
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229 | }
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230 |
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231 | if (!mLoadMeshes)
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232 | {
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233 | ///////////////////
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234 | //-- load data as single triangles instead of whole meshes
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235 |
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236 | cout << "m";
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237 | Mesh tempMesh(*mCurrentMesh);
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238 | ApplyTransformations(mTransformations, &tempMesh);
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239 |
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240 | FaceContainer::const_iterator fit, fit_begin = tempMesh.mFaces.begin(),
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241 | fit_end = tempMesh.mFaces.end();
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242 |
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243 | for (fit = fit_begin; fit != fit_end; ++ fit)
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244 | {
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245 | // triangulate the faces
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246 | Face *face = *fit;
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247 | vector<Triangle3> triangles;
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248 | Polygon3 poly(face, &tempMesh);
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249 | poly.Triangulate(triangles);
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250 |
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251 | vector<Triangle3>::const_iterator tit, tit_end = triangles.end();
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252 |
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253 | for (tit = triangles.begin(); tit != tit_end; ++ tit)
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254 | {
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255 | if ((*tit).CheckValidity())
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256 | {
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257 | TriangleIntersectable *ti = new TriangleIntersectable(*tit);
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258 | //cout << "t: " << (*tit) << endl;
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259 | mCurrentNode->mGeometry.push_back(ti);
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260 | }
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261 | else
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262 | {
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263 | cout << "error tri:\n" << (*tit) << endl;
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264 | }
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265 | }
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266 | }
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267 |
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268 | // this mesh is not needed, unless it is used as a definition
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269 | if (!mUsingMeshDefinition)
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270 | {
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271 | MeshManager::GetSingleton()->DestroyEntry(mCurrentMesh->GetId());
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272 | }
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273 | }
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274 | else // default usage: create a mesh instance from the current mesh
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275 | {
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276 | MeshInstance *mi;
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277 |
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278 | if (!mUsingMeshDefinition)
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279 | {
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280 | // make an instance of this mesh
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281 | mi = new MeshInstance(mCurrentMesh);
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282 |
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283 | // this mesh is used only once => write transformations directly into it
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284 | ApplyTransformations(mTransformations, mCurrentMesh);
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285 | }
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286 | else
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287 | {
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288 | // make an instance of this mesh
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289 | TransformedMeshInstance *tmi = new TransformedMeshInstance(mCurrentMesh);
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290 |
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291 | // apply transformation on the instance of the mesh
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292 | ApplyTransformations(mTransformations, tmi);
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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 |
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312 | if (mCurrentMesh->mFaces.empty())
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313 | {
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314 | cout << "warning: empy mesh!!" << endl;
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315 | delete mi;
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316 | }
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317 | else
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318 | {
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319 | // add to scene graph
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320 | mCurrentNode->mGeometry.push_back(mi);
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321 | }
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322 |
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323 | // reset current mesh
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324 | mCurrentMesh = NULL;
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325 | }
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326 | }
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327 |
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328 |
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329 | void X3dParseHandlers::StartIndexedFaceSet(AttributeList& attributes)
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330 | {
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331 | //-- indexedfaceset corresponds to Mesh in our implementation
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332 | const int len = attributes.getLength();
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333 |
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334 | VertexIndexContainer vertices;
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335 |
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336 | mIsMeshDefinition = false;
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337 | mUsingMeshDefinition = false;
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338 |
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339 | for (int i = 0; i < len; ++ i)
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340 | {
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341 | const string attrName(StrX(attributes.getName(i)).LocalForm());
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342 |
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343 | //-- we use an already defined mesh
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344 | if (attrName == "USE")
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345 | {
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346 | StrX attrValue(attributes.getValue(i));
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347 | const char *meshName = attrValue.LocalForm();
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348 |
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349 | mUsingMeshDefinition = true;
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350 |
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351 | // retrieve mesh from mesh container
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352 | const int meshIdx = mMeshDefinitions[meshName];
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353 |
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354 | mCurrentMesh =
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355 | MeshManager::GetSingleton()->FindEntry(meshIdx);
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356 |
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357 | //Debug << "retrieving mesh definition: " << mCurrentMeshName << endl;
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358 | cout << "u";
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359 | }
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360 | else if (attrName == "DEF") //-- a definition of a mesh
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361 | {
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362 | const StrX attrValue(attributes.getValue(i));
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363 | const char *meshName = attrValue.LocalForm();
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364 |
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365 | // this is only a definition, don't create actual instance
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366 | mIsMeshDefinition = true;
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367 |
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368 | //-- create new mesh definition
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369 | mCurrentMesh = MeshManager::GetSingleton()->CreateResource();
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370 |
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371 | // store the mesh defination in a lookup table
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372 | mMeshDefinitions[meshName] = mCurrentMesh->GetId();
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373 | cout << "d";
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374 | }
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375 |
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376 | //-- read coordinate indices for current mesh
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377 | else if (attrName == "coordIndex")
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378 | {
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379 | StrX attrValue(attributes.getValue(i));
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380 | const char *ptr = attrValue.LocalForm();
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381 |
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382 | //-- immediate use: create a new mesh using a generic name
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383 | if (!mCurrentMesh)
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384 | {
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385 | mCurrentMesh = MeshManager::GetSingleton()->CreateResource();
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386 | }
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387 |
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388 | // handle coordIndex
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389 | vertices.clear();
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390 |
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391 |
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392 | char *endptr;
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393 |
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394 | while (1)
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395 | {
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396 | int index = strtol(ptr, &endptr, 10);
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397 |
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398 | if (ptr == endptr || index == -1)
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399 | {
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400 | if (vertices.size() > 2)
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401 | {
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402 | Face *face = new Face(vertices);
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403 | mCurrentMesh->mFaces.push_back(face);
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404 | }
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405 |
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406 | vertices.clear();
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407 |
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408 | if (ptr == endptr)
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409 | break;
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410 |
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411 | }
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412 | else
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413 | {
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414 | vertices.push_back(index);
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415 | }
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416 | ptr = endptr;
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417 | }
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418 | }
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419 | }
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420 | }
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421 |
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422 |
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423 | void
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424 | X3dParseHandlers::StartMaterial(AttributeList& attributes)
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425 | {
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426 | const int len = attributes.getLength();
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427 |
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428 | mCurrentMaterial = MaterialManager::GetSingleton()->CreateResource();
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429 |
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430 | for (int i = 0; i < len; ++ i)
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431 | {
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432 | const string attrName(StrX(attributes.getName(i)).LocalForm());
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433 |
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434 | const StrX attrValue(attributes.getValue(i));
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435 | const char *ptr = attrValue.LocalForm();
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436 |
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437 |
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438 | //-- we use an already defined material
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439 | if (attrName == "USE")
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440 | {
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441 | //mUsingMaterialDefinition = true;
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442 | string matName(ptr);
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443 |
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444 | // retrieve mesh from mesh container
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445 | const int matIdx = mMaterialDefinitions[matName];
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446 |
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447 | mCurrentMaterial =
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448 | MaterialManager::GetSingleton()->FindEntry(matIdx);
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449 |
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450 | //Debug << "retrieving mesh definition: " << mCurrentMeshName << endl;
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451 | cout << "u";
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452 | }
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453 | else if (attrName == "DEF") //-- a definition of a material
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454 | {
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455 | //mIsMaterialDefinition = true;
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456 | string matName(ptr);
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457 |
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458 | //-- create new material definition
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459 | mCurrentMaterial = MaterialManager::GetSingleton()->CreateResource();
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460 | // store the mesh defination in a lookup table
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461 | mMaterialDefinitions[matName] = mCurrentMaterial->GetId();
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462 | cout << "d";
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463 | }
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464 | // TODO: support not only diffuse material
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465 | else if (attrName == "diffuseColor")
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466 | {
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467 | float r, g, b;
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468 |
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469 | if (sscanf(ptr, "%f %f %f", &r, &g, &b) == 3)
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470 | mCurrentMaterial->mDiffuseColor = RgbColor(r, g, b);
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471 | }
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472 | }
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473 | }
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474 |
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475 |
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476 | void
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477 | X3dParseHandlers::StartCoordinate(AttributeList& attributes)
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478 | {
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479 | const int len = attributes.getLength();
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480 |
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481 | int i;
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482 | VertexContainer vertices;
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483 |
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484 | for (i=0; i < len; i++)
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485 | {
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486 | const string attrName(StrX(attributes.getName(i)).LocalForm());
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487 |
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488 | if (attrName == "point")
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489 | {
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490 | StrX attrValue(attributes.getValue(i));
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491 |
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492 |
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493 | const char *ptr = attrValue.LocalForm();
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494 | char *endptr;
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495 |
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496 |
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497 | while (1)
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498 | {
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499 | float x = (float)strtod(ptr, &endptr);
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500 |
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501 | if (ptr == endptr)
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502 | break;
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503 |
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504 | ptr = endptr;
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505 |
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506 | float y = (float)strtod(ptr, &endptr);
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507 |
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508 | if (ptr == endptr)
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509 | break;
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510 |
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511 | ptr = endptr;
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512 |
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---|
513 | float z = (float)strtod(ptr, &endptr);
|
---|
514 | if (ptr == endptr)
|
---|
515 | break;
|
---|
516 |
|
---|
517 | ptr = endptr;
|
---|
518 |
|
---|
519 | if (*ptr == ',')
|
---|
520 | ptr ++;
|
---|
521 |
|
---|
522 | Vector3 v(x, y, z);
|
---|
523 | vertices.push_back(v);
|
---|
524 | }
|
---|
525 |
|
---|
526 | // substitute vertices into current mesh
|
---|
527 | mCurrentMesh->mVertices = vertices;
|
---|
528 | }
|
---|
529 | }
|
---|
530 | }
|
---|
531 |
|
---|
532 |
|
---|
533 | void
|
---|
534 | X3dParseHandlers::startElement(const XMLCh* const name,
|
---|
535 | AttributeList& attributes)
|
---|
536 | {
|
---|
537 | StrX lname(name);
|
---|
538 | string element(lname.LocalForm());
|
---|
539 |
|
---|
540 | if (element == "IndexedFaceSet") {
|
---|
541 | // create a new mesh node in the scene graph
|
---|
542 | StartIndexedFaceSet(attributes);
|
---|
543 | }
|
---|
544 |
|
---|
545 | if (element == "Shape") {
|
---|
546 | cout << "+";
|
---|
547 |
|
---|
548 | // reset current shape values
|
---|
549 | mCurrentMesh = NULL;
|
---|
550 | mCurrentMaterial = NULL;
|
---|
551 | mCurrentVertexIndices.clear();
|
---|
552 | //mCurrentVertices.clear();
|
---|
553 | }
|
---|
554 |
|
---|
555 | if (element == "Coordinate") {
|
---|
556 | StartCoordinate(attributes);
|
---|
557 | }
|
---|
558 |
|
---|
559 | // todo: materials don't work proberly yet
|
---|
560 | if (element == "Material") {
|
---|
561 | StartMaterial(attributes);
|
---|
562 | }
|
---|
563 |
|
---|
564 | if (element == "Transform") {
|
---|
565 | StartTransform(attributes);
|
---|
566 | }
|
---|
567 |
|
---|
568 | ++ mElementCount;
|
---|
569 | mAttrCount += attributes.getLength();
|
---|
570 | }
|
---|
571 |
|
---|
572 | void
|
---|
573 | X3dParseHandlers::characters(const XMLCh* const chars,
|
---|
574 | const unsigned int length)
|
---|
575 | {
|
---|
576 | mCharacterCount += length;
|
---|
577 | }
|
---|
578 |
|
---|
579 | void
|
---|
580 | X3dParseHandlers::ignorableWhitespace(const XMLCh* const chars,
|
---|
581 | const unsigned int length)
|
---|
582 | {
|
---|
583 | mSpaceCount += length;
|
---|
584 | }
|
---|
585 |
|
---|
586 | void
|
---|
587 | X3dParseHandlers::resetDocument()
|
---|
588 | {
|
---|
589 | mAttrCount = 0;
|
---|
590 | mCharacterCount = 0;
|
---|
591 | mElementCount = 0;
|
---|
592 | mSpaceCount = 0;
|
---|
593 | }
|
---|
594 |
|
---|
595 |
|
---|
596 | // ---------------------------------------------------------------------------
|
---|
597 | // StdInParseHandlers: Overrides of the SAX ErrorHandler interface
|
---|
598 | // ---------------------------------------------------------------------------
|
---|
599 |
|
---|
600 |
|
---|
601 | void
|
---|
602 | X3dParseHandlers::error(const SAXParseException& e)
|
---|
603 | {
|
---|
604 | XERCES_STD_QUALIFIER cerr << "\nError 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::fatalError(const SAXParseException& e)
|
---|
612 | {
|
---|
613 | XERCES_STD_QUALIFIER cerr << "\nFatal Error at (file " << StrX(e.getSystemId())
|
---|
614 | << ", line " << e.getLineNumber()
|
---|
615 | << ", char " << e.getColumnNumber()
|
---|
616 | << "): " << StrX(e.getMessage()) << XERCES_STD_QUALIFIER endl;
|
---|
617 | }
|
---|
618 |
|
---|
619 | void
|
---|
620 | X3dParseHandlers::warning(const SAXParseException& e)
|
---|
621 | {
|
---|
622 | XERCES_STD_QUALIFIER cerr << "\nWarning at (file " << StrX(e.getSystemId())
|
---|
623 | << ", line " << e.getLineNumber()
|
---|
624 | << ", char " << e.getColumnNumber()
|
---|
625 | << "): " << StrX(e.getMessage()) << XERCES_STD_QUALIFIER endl;
|
---|
626 | }
|
---|
627 |
|
---|
628 | /*************************************************************************/
|
---|
629 | /* X3dParser implementation */
|
---|
630 | /*******************+*****************************************************/
|
---|
631 |
|
---|
632 | X3dParser::X3dParser(): mViewCellHeight(DEFAULT_VIEWCELL_HEIGHT)
|
---|
633 | {}
|
---|
634 |
|
---|
635 |
|
---|
636 | bool
|
---|
637 | X3dParser::ParseFile(const string filename,
|
---|
638 | SceneGraphNode *root,
|
---|
639 | const bool loadMeshes,
|
---|
640 | vector<FaceParentInfo> *parents)
|
---|
641 | {
|
---|
642 | // Initialize the XML4C system
|
---|
643 | try {
|
---|
644 | XMLPlatformUtils::Initialize();
|
---|
645 | }
|
---|
646 |
|
---|
647 | catch (const XMLException& toCatch)
|
---|
648 | {
|
---|
649 | XERCES_STD_QUALIFIER cerr << "Error during initialization! Message:\n"
|
---|
650 | << StrX(toCatch.getMessage()) << XERCES_STD_QUALIFIER endl;
|
---|
651 | return false;
|
---|
652 | }
|
---|
653 |
|
---|
654 |
|
---|
655 | //
|
---|
656 | // Create a SAX parser object. Then, according to what we were told on
|
---|
657 | // the command line, set the options.
|
---|
658 | //
|
---|
659 | SAXParser* parser = new SAXParser;
|
---|
660 | parser->setValidationScheme(valScheme);
|
---|
661 | parser->setDoNamespaces(doNamespaces);
|
---|
662 | parser->setDoSchema(doSchema);
|
---|
663 | parser->setValidationSchemaFullChecking(schemaFullChecking);
|
---|
664 |
|
---|
665 |
|
---|
666 | //
|
---|
667 | // Create our SAX handler object and install it on the parser, as the
|
---|
668 | // document and error handler. We are responsible for cleaning them
|
---|
669 | // up, but since its just stack based here, there's nothing special
|
---|
670 | // to do.
|
---|
671 | //
|
---|
672 | X3dParseHandlers handler(root, loadMeshes);
|
---|
673 | parser->setDocumentHandler(&handler);
|
---|
674 | parser->setErrorHandler(&handler);
|
---|
675 |
|
---|
676 | unsigned long duration;
|
---|
677 | int errorCount = 0;
|
---|
678 | // create a faux scope so that 'src' destructor is called before
|
---|
679 | // XMLPlatformUtils::Terminate
|
---|
680 | {
|
---|
681 | //
|
---|
682 | // Kick off the parse and catch any exceptions. Create a standard
|
---|
683 | // input input source and tell the parser to parse from that.
|
---|
684 | //
|
---|
685 | // StdInInputSource src;
|
---|
686 | try
|
---|
687 | {
|
---|
688 | const unsigned long startMillis = XMLPlatformUtils::getCurrentMillis();
|
---|
689 | parser->parse(filename.c_str());
|
---|
690 |
|
---|
691 | const unsigned long endMillis = XMLPlatformUtils::getCurrentMillis();
|
---|
692 | duration = endMillis - startMillis;
|
---|
693 | errorCount = parser->getErrorCount();
|
---|
694 | }
|
---|
695 | catch (const OutOfMemoryException&)
|
---|
696 | {
|
---|
697 | XERCES_STD_QUALIFIER cerr << "OutOfMemoryException" << XERCES_STD_QUALIFIER endl;
|
---|
698 | errorCount = 2;
|
---|
699 | return false;
|
---|
700 | }
|
---|
701 | catch (const XMLException& e)
|
---|
702 | {
|
---|
703 | XERCES_STD_QUALIFIER cerr << "\nError during parsing: \n"
|
---|
704 | << StrX(e.getMessage())
|
---|
705 | << "\n" << XERCES_STD_QUALIFIER endl;
|
---|
706 | errorCount = 1;
|
---|
707 | return false;
|
---|
708 | }
|
---|
709 |
|
---|
710 |
|
---|
711 | // Print out the stats that we collected and time taken
|
---|
712 | if (!errorCount) {
|
---|
713 | XERCES_STD_QUALIFIER cout << filename << ": " << duration << " ms ("
|
---|
714 | << handler.GetElementCount() << " elems, "
|
---|
715 | << handler.GetAttrCount() << " attrs, "
|
---|
716 | << handler.GetSpaceCount() << " spaces, "
|
---|
717 | << handler.GetCharacterCount() << " chars)" << XERCES_STD_QUALIFIER endl;
|
---|
718 | }
|
---|
719 | }
|
---|
720 |
|
---|
721 | //
|
---|
722 | // Delete the parser itself. Must be done prior to calling Terminate, below.
|
---|
723 | //
|
---|
724 | delete parser;
|
---|
725 |
|
---|
726 | XMLPlatformUtils::Terminate();
|
---|
727 |
|
---|
728 | if (errorCount > 0)
|
---|
729 | return false;
|
---|
730 | else
|
---|
731 | return true;
|
---|
732 | }
|
---|
733 |
|
---|
734 |
|
---|
735 |
|
---|
736 | /************************************************************************/
|
---|
737 | /* class X3dViewCellsParseHandlers implementation */
|
---|
738 | /************************************************************************/
|
---|
739 |
|
---|
740 |
|
---|
741 | // ---------------------------------------------------------------------------
|
---|
742 | // StdInParseHandlers: Constructors and Destructor
|
---|
743 | // ---------------------------------------------------------------------------
|
---|
744 | X3dViewCellsParseHandlers::X3dViewCellsParseHandlers(ViewCellsManager *viewCellsManager,
|
---|
745 | const float viewCellHeight):
|
---|
746 | mElementCount(0),
|
---|
747 | mAttrCount(0),
|
---|
748 | mCharacterCount(0),
|
---|
749 | mSpaceCount(0),
|
---|
750 | mViewCellsManager(viewCellsManager),
|
---|
751 | mViewCellHeight(viewCellHeight)
|
---|
752 | {
|
---|
753 | }
|
---|
754 |
|
---|
755 | X3dViewCellsParseHandlers::~X3dViewCellsParseHandlers()
|
---|
756 | {
|
---|
757 | }
|
---|
758 |
|
---|
759 |
|
---|
760 | // ---------------------------------------------------------------------------
|
---|
761 | // StdInParseHandlers: Implementation of the SAX DocumentHandler interface
|
---|
762 | // ---------------------------------------------------------------------------
|
---|
763 | void X3dViewCellsParseHandlers::endElement(const XMLCh* const name)
|
---|
764 | {
|
---|
765 | StrX lname(name);
|
---|
766 |
|
---|
767 | string element(lname.LocalForm());
|
---|
768 |
|
---|
769 | if (element == "Shape")
|
---|
770 | EndShape();
|
---|
771 | }
|
---|
772 |
|
---|
773 | void
|
---|
774 | X3dViewCellsParseHandlers::EndShape()
|
---|
775 | {
|
---|
776 | // currently processing no shape
|
---|
777 | }
|
---|
778 |
|
---|
779 | void
|
---|
780 | X3dViewCellsParseHandlers::StartIndexedFaceSet(
|
---|
781 | AttributeList& attributes)
|
---|
782 | {
|
---|
783 | int len = attributes.getLength();
|
---|
784 | int i;
|
---|
785 |
|
---|
786 | for (i=0; i < len; i++)
|
---|
787 | {
|
---|
788 | string attrName(StrX(attributes.getName(i)).LocalForm());
|
---|
789 |
|
---|
790 |
|
---|
791 | if (attrName == "coordIndex")
|
---|
792 | {
|
---|
793 | StrX attrValue(attributes.getValue(i));
|
---|
794 |
|
---|
795 | // handle coordIndex
|
---|
796 | const char *ptr = attrValue.LocalForm();
|
---|
797 | char *endptr;
|
---|
798 |
|
---|
799 | while (1)
|
---|
800 | {
|
---|
801 | int index = strtol(ptr, &endptr, 10);
|
---|
802 |
|
---|
803 | if (ptr == endptr)
|
---|
804 | break;
|
---|
805 |
|
---|
806 | if (index != -1)
|
---|
807 | {
|
---|
808 | mCurrentVertexIndices.push_back(index);
|
---|
809 | }
|
---|
810 |
|
---|
811 | ptr = endptr;
|
---|
812 | }
|
---|
813 | }
|
---|
814 | }
|
---|
815 | }
|
---|
816 |
|
---|
817 |
|
---|
818 | void
|
---|
819 | X3dViewCellsParseHandlers::StartCoordinate(AttributeList& attributes)
|
---|
820 | {
|
---|
821 | int len = attributes.getLength();
|
---|
822 |
|
---|
823 | VertexContainer vertices;
|
---|
824 | int i;
|
---|
825 | for (i=0; i < len; i++)
|
---|
826 | {
|
---|
827 | string attrName(StrX(attributes.getName(i)).LocalForm());
|
---|
828 |
|
---|
829 | if (attrName == "point")
|
---|
830 | {
|
---|
831 | StrX attrValue(attributes.getValue(i));
|
---|
832 |
|
---|
833 | const char *ptr = attrValue.LocalForm();
|
---|
834 |
|
---|
835 | char *endptr;
|
---|
836 |
|
---|
837 | while (1)
|
---|
838 | {
|
---|
839 | float x = (float)strtod(ptr, &endptr);
|
---|
840 |
|
---|
841 | if (ptr == endptr)
|
---|
842 | break;
|
---|
843 | ptr = endptr;
|
---|
844 |
|
---|
845 | float y = (float)(float)strtod(ptr, &endptr);
|
---|
846 |
|
---|
847 |
|
---|
848 | if (ptr == endptr)
|
---|
849 | break;
|
---|
850 | ptr = endptr;
|
---|
851 |
|
---|
852 | float z = (float)(float)strtod(ptr, &endptr);
|
---|
853 |
|
---|
854 | if (ptr == endptr)
|
---|
855 | break;
|
---|
856 |
|
---|
857 | ptr = endptr;
|
---|
858 | if (*ptr == ',')
|
---|
859 | ptr++;
|
---|
860 |
|
---|
861 | Vector3 v(x, y, z);
|
---|
862 | vertices.push_back(v);
|
---|
863 | }
|
---|
864 | }
|
---|
865 | }
|
---|
866 |
|
---|
867 | for (i = 0; i < mCurrentVertexIndices.size(); i += 3)
|
---|
868 | {
|
---|
869 | Triangle3 baseTri(vertices[mCurrentVertexIndices[i + 0]],
|
---|
870 | vertices[mCurrentVertexIndices[i + 1]],
|
---|
871 | vertices[mCurrentVertexIndices[i + 2]]);
|
---|
872 |
|
---|
873 | // create view cell from base triangle
|
---|
874 | ViewCell *vc = mViewCellsManager->ExtrudeViewCell(baseTri, mViewCellHeight);
|
---|
875 | mViewCellsManager->mViewCells.push_back(vc);
|
---|
876 | }
|
---|
877 | }
|
---|
878 |
|
---|
879 |
|
---|
880 | void
|
---|
881 | X3dViewCellsParseHandlers::startElement(const XMLCh* const name,
|
---|
882 | AttributeList& attributes)
|
---|
883 | {
|
---|
884 | StrX lname(name);
|
---|
885 | string element(lname.LocalForm());
|
---|
886 |
|
---|
887 | if (element == "IndexedFaceSet") {
|
---|
888 | // create the viewcells from individual triangles
|
---|
889 | StartIndexedFaceSet(attributes);
|
---|
890 | }
|
---|
891 |
|
---|
892 | if (element == "Coordinate") {
|
---|
893 | // add coordinates to the triangles
|
---|
894 | StartCoordinate(attributes);
|
---|
895 | }
|
---|
896 | // do nothing
|
---|
897 | //if (element == "Shape") {}
|
---|
898 | // ignore material
|
---|
899 | //if (element == "Material") {}
|
---|
900 |
|
---|
901 | ++ mElementCount;
|
---|
902 | mAttrCount += attributes.getLength();
|
---|
903 | }
|
---|
904 |
|
---|
905 | void
|
---|
906 | X3dViewCellsParseHandlers::characters(const XMLCh* const chars,
|
---|
907 | const unsigned int length)
|
---|
908 | {
|
---|
909 | mCharacterCount += length;
|
---|
910 | }
|
---|
911 |
|
---|
912 | void
|
---|
913 | X3dViewCellsParseHandlers::ignorableWhitespace(const XMLCh* const chars,
|
---|
914 | const unsigned int length)
|
---|
915 | {
|
---|
916 | mSpaceCount += length;
|
---|
917 | }
|
---|
918 |
|
---|
919 | void
|
---|
920 | X3dViewCellsParseHandlers::resetDocument()
|
---|
921 | {
|
---|
922 | mAttrCount = 0;
|
---|
923 | mCharacterCount = 0;
|
---|
924 | mElementCount = 0;
|
---|
925 | mSpaceCount = 0;
|
---|
926 | }
|
---|
927 |
|
---|
928 |
|
---|
929 |
|
---|
930 | // ---------------------------------------------------------------------------
|
---|
931 | // StdInParseHandlers: Overrides of the SAX ErrorHandler interface
|
---|
932 | // ---------------------------------------------------------------------------
|
---|
933 | void
|
---|
934 | X3dViewCellsParseHandlers::error(const SAXParseException& e)
|
---|
935 | {
|
---|
936 | XERCES_STD_QUALIFIER cerr << "\nError at (file " << StrX(e.getSystemId())
|
---|
937 | << ", line " << e.getLineNumber()
|
---|
938 | << ", char " << e.getColumnNumber()
|
---|
939 | << "): " << StrX(e.getMessage()) << XERCES_STD_QUALIFIER endl;
|
---|
940 | }
|
---|
941 |
|
---|
942 | void
|
---|
943 | X3dViewCellsParseHandlers::fatalError(const SAXParseException& e)
|
---|
944 | {
|
---|
945 | XERCES_STD_QUALIFIER cerr << "\nFatal Error at (file " << StrX(e.getSystemId())
|
---|
946 | << ", line " << e.getLineNumber()
|
---|
947 | << ", char " << e.getColumnNumber()
|
---|
948 | << "): " << StrX(e.getMessage()) << XERCES_STD_QUALIFIER endl;
|
---|
949 | }
|
---|
950 |
|
---|
951 | void
|
---|
952 | X3dViewCellsParseHandlers::warning(const SAXParseException& e)
|
---|
953 | {
|
---|
954 | XERCES_STD_QUALIFIER cerr << "\nWarning at (file " << StrX(e.getSystemId())
|
---|
955 | << ", line " << e.getLineNumber()
|
---|
956 | << ", char " << e.getColumnNumber()
|
---|
957 | << "): " << StrX(e.getMessage()) << XERCES_STD_QUALIFIER endl;
|
---|
958 | }
|
---|
959 |
|
---|
960 |
|
---|
961 | bool
|
---|
962 | X3dParser::ParseFile(const string filename, ViewCellsManager &viewCells)
|
---|
963 | {
|
---|
964 | // Initialize the XML4C system
|
---|
965 | try {
|
---|
966 | XMLPlatformUtils::Initialize();
|
---|
967 | }
|
---|
968 |
|
---|
969 | catch (const XMLException& toCatch)
|
---|
970 | {
|
---|
971 | XERCES_STD_QUALIFIER cerr << "Error during initialization! Message:\n"
|
---|
972 | << StrX(toCatch.getMessage()) << XERCES_STD_QUALIFIER endl;
|
---|
973 | return false;
|
---|
974 | }
|
---|
975 |
|
---|
976 |
|
---|
977 | //
|
---|
978 | // Create a SAX parser object. Then, according to what we were told on
|
---|
979 | // the command line, set the options.
|
---|
980 | //
|
---|
981 | SAXParser* parser = new SAXParser;
|
---|
982 | parser->setValidationScheme(valScheme);
|
---|
983 | parser->setDoNamespaces(doNamespaces);
|
---|
984 | parser->setDoSchema(doSchema);
|
---|
985 | parser->setValidationSchemaFullChecking(schemaFullChecking);
|
---|
986 |
|
---|
987 |
|
---|
988 | //
|
---|
989 | // Create our SAX handler object and install it on the parser, as the
|
---|
990 | // document and error handler. We are responsible for cleaning them
|
---|
991 | // up, but since its just stack based here, there's nothing special
|
---|
992 | // to do.
|
---|
993 | //
|
---|
994 | X3dViewCellsParseHandlers handler(&viewCells, mViewCellHeight);
|
---|
995 | parser->setDocumentHandler(&handler);
|
---|
996 | parser->setErrorHandler(&handler);
|
---|
997 |
|
---|
998 | unsigned long duration;
|
---|
999 | int errorCount = 0;
|
---|
1000 | // create a faux scope so that 'src' destructor is called before
|
---|
1001 | // XMLPlatformUtils::Terminate
|
---|
1002 | {
|
---|
1003 | //
|
---|
1004 | // Kick off the parse and catch any exceptions. Create a standard
|
---|
1005 | // input input source and tell the parser to parse from that.
|
---|
1006 | //
|
---|
1007 | // StdInInputSource src;
|
---|
1008 | try
|
---|
1009 | {
|
---|
1010 | const unsigned long startMillis = XMLPlatformUtils::getCurrentMillis();
|
---|
1011 | //GzBinFileInputStream str(filename.c_str());
|
---|
1012 |
|
---|
1013 | parser->parse(filename.c_str());
|
---|
1014 | const unsigned long endMillis = XMLPlatformUtils::getCurrentMillis();
|
---|
1015 | duration = endMillis - startMillis;
|
---|
1016 | errorCount = parser->getErrorCount();
|
---|
1017 | }
|
---|
1018 | catch (const OutOfMemoryException&)
|
---|
1019 | {
|
---|
1020 | XERCES_STD_QUALIFIER cerr << "OutOfMemoryException" << XERCES_STD_QUALIFIER endl;
|
---|
1021 | errorCount = 2;
|
---|
1022 | return false;
|
---|
1023 | }
|
---|
1024 | catch (const XMLException& e)
|
---|
1025 | {
|
---|
1026 | XERCES_STD_QUALIFIER cerr << "\nError during parsing: \n"
|
---|
1027 | << StrX(e.getMessage())
|
---|
1028 | << "\n" << XERCES_STD_QUALIFIER endl;
|
---|
1029 | errorCount = 1;
|
---|
1030 | return false;
|
---|
1031 | }
|
---|
1032 |
|
---|
1033 |
|
---|
1034 | // Print out the stats that we collected and time taken
|
---|
1035 | if (!errorCount) {
|
---|
1036 | XERCES_STD_QUALIFIER cout << filename << ": " << duration << " ms ("
|
---|
1037 | << handler.GetElementCount() << " elems, "
|
---|
1038 | << handler.GetAttrCount() << " attrs, "
|
---|
1039 | << handler.GetSpaceCount() << " spaces, "
|
---|
1040 | << handler.GetCharacterCount() << " chars)" << XERCES_STD_QUALIFIER endl;
|
---|
1041 | }
|
---|
1042 | }
|
---|
1043 |
|
---|
1044 | //
|
---|
1045 | // Delete the parser itself. Must be done prior to calling Terminate, below.
|
---|
1046 | //
|
---|
1047 | delete parser;
|
---|
1048 |
|
---|
1049 | XMLPlatformUtils::Terminate();
|
---|
1050 |
|
---|
1051 | if (errorCount > 0)
|
---|
1052 | return false;
|
---|
1053 | else
|
---|
1054 | return true;
|
---|
1055 | }
|
---|
1056 |
|
---|
1057 |
|
---|
1058 |
|
---|
1059 |
|
---|
1060 | }
|
---|