1 | #ifndef _X3D_PARSER_XERCES__H
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2 | #define _X3D_PARSER_XERCES__H
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3 |
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4 | // ---------------------------------------------------------------------------
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5 | // Includes
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6 | // ---------------------------------------------------------------------------
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7 | #include <xercesc/sax/HandlerBase.hpp>
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8 | #include "Mesh.h"
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9 |
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10 | XERCES_CPP_NAMESPACE_USE
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11 | XERCES_CPP_NAMESPACE_BEGIN
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12 | class AttributeList;
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13 | XERCES_CPP_NAMESPACE_END
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14 |
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15 | class SceneGraphNode;
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16 | class Mesh;
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17 | class Material;
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18 |
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19 | class X3dParseHandlers : public HandlerBase
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20 | {
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21 | public:
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22 | // -----------------------------------------------------------------------
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23 | // Constructors and Destructor
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24 | // -----------------------------------------------------------------------
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25 | X3dParseHandlers(SceneGraphNode *root);
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26 | ~X3dParseHandlers();
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27 |
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28 |
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29 | // -----------------------------------------------------------------------
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30 | // Getter methods
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31 | // -----------------------------------------------------------------------
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32 | unsigned int GetElementCount()
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33 | {
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34 | return mElementCount;
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35 | }
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36 |
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37 | unsigned int GetAttrCount()
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38 | {
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39 | return mAttrCount;
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40 | }
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41 |
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42 | unsigned int GetCharacterCount()
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43 | {
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44 | return mCharacterCount;
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45 | }
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46 |
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47 | unsigned int GetSpaceCount()
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48 | {
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49 | return mSpaceCount;
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50 | }
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51 |
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52 |
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53 | // -----------------------------------------------------------------------
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54 | // Handlers for the SAX DocumentHandler interface
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55 | // -----------------------------------------------------------------------
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56 | void endElement(const XMLCh* const name);
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57 | void startElement(const XMLCh* const name, AttributeList& attributes);
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58 | void characters(const XMLCh* const chars, const unsigned int length);
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59 | void ignorableWhitespace(const XMLCh* const chars, const unsigned int length);
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60 | void resetDocument();
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61 |
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62 | SceneGraphNode *mCurrentNode;
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63 | Mesh *mCurrentMesh;
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64 | Material *mCurrentMaterial;
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65 |
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66 | // Handlers for X3D
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67 | void
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68 | StartIndexedFaceSet(
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69 | AttributeList& attributes);
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70 |
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71 | void
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72 | EndShape();
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73 |
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74 | void
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75 | StartCoordinate(
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76 | AttributeList& attributes);
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77 |
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78 | void
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79 | StartMaterial(
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80 | AttributeList& attributes);
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81 |
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82 |
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83 | // -----------------------------------------------------------------------
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84 | // Handlers for the SAX ErrorHandler interface
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85 | // -----------------------------------------------------------------------
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86 | void warning(const SAXParseException& exc);
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87 | void error(const SAXParseException& exc);
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88 | void fatalError(const SAXParseException& exc);
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89 |
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90 |
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91 | private:
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92 | // -----------------------------------------------------------------------
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93 | // Private data members
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94 | //
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95 | // fAttrCount
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96 | // fCharacterCount
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97 | // fElementCount
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98 | // fSpaceCount
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99 | // These are just counters that are run upwards based on the input
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100 | // from the document handlers.
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101 | // -----------------------------------------------------------------------
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102 | unsigned int mAttrCount;
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103 | unsigned int mCharacterCount;
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104 | unsigned int mElementCount;
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105 | unsigned int mSpaceCount;
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106 | };
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107 |
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108 | /** Parser handlers for view cell x3d files.
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109 | */
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110 | class X3dViewCellsParseHandlers : public HandlerBase
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111 | {
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112 | public:
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113 | // -----------------------------------------------------------------------
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114 | // Constructors and Destructor
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115 | // -----------------------------------------------------------------------
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116 | X3dViewCellsParseHandlers(ViewCellContainer *mViewCells);
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117 | ~X3dViewCellsParseHandlers();
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118 |
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119 |
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120 | // -----------------------------------------------------------------------
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121 | // Getter methods
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122 | // -----------------------------------------------------------------------
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123 | unsigned int GetElementCount()
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124 | {
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125 | return mElementCount;
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126 | }
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127 |
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128 | unsigned int GetAttrCount()
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129 | {
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130 | return mAttrCount;
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131 | }
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132 |
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133 | unsigned int GetCharacterCount()
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134 | {
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135 | return mCharacterCount;
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136 | }
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137 |
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138 | unsigned int GetSpaceCount()
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139 | {
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140 | return mSpaceCount;
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141 | }
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142 |
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143 |
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144 | // -----------------------------------------------------------------------
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145 | // Handlers for the SAX DocumentHandler interface
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146 | // -----------------------------------------------------------------------
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147 | void endElement(const XMLCh* const name);
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148 | void startElement(const XMLCh* const name, AttributeList& attributes);
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149 | void characters(const XMLCh* const chars, const unsigned int length);
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150 | void ignorableWhitespace(const XMLCh* const chars, const unsigned int length);
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151 | void resetDocument();
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152 |
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153 | ViewCellContainer *mViewCells;
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154 | VertexIndexContainer mCurrentVertexIndices;
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155 |
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156 | // Handlers for X3D
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157 | void
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158 | StartIndexedFaceSet(
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159 | AttributeList& attributes);
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160 |
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161 | void
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162 | EndShape();
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163 |
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164 | void
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165 | StartCoordinate(
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166 | AttributeList& attributes);
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167 |
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168 | void
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169 | StartMaterial(
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170 | AttributeList& attributes);
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171 |
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172 |
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173 | // -----------------------------------------------------------------------
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174 | // Handlers for the SAX ErrorHandler interface
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175 | // -----------------------------------------------------------------------
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176 | void warning(const SAXParseException& exc);
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177 | void error(const SAXParseException& exc);
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178 | void fatalError(const SAXParseException& exc);
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179 |
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180 |
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181 | private:
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182 | // -----------------------------------------------------------------------
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183 | // Private data members
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184 | //
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185 | // fAttrCount
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186 | // fCharacterCount
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187 | // fElementCount
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188 | // fSpaceCount
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189 | // These are just counters that are run upwards based on the input
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190 | // from the document handlers.
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191 | // -----------------------------------------------------------------------
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192 | unsigned int mAttrCount;
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193 | unsigned int mCharacterCount;
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194 | unsigned int mElementCount;
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195 | unsigned int mSpaceCount;
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196 | };
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197 |
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198 |
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199 | // ---------------------------------------------------------------------------
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200 | // This is a simple class that lets us do easy (though not terribly efficient)
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201 | // trancoding of XMLCh data to local code page for display.
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202 | // ---------------------------------------------------------------------------
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203 | class StrX
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204 | {
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205 | public :
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206 | // -----------------------------------------------------------------------
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207 | // Constructors and Destructor
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208 | // -----------------------------------------------------------------------
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209 | StrX(const XMLCh* const toTranscode)
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210 | {
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211 | // Call the private transcoding method
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212 | mLocalForm = XMLString::transcode(toTranscode);
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213 | }
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214 |
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215 | ~StrX()
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216 | {
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217 | XMLString::release(&mLocalForm);
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218 | }
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219 |
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220 | // -----------------------------------------------------------------------
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221 | // Getter methods
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222 | // -----------------------------------------------------------------------
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223 | const char* LocalForm() const
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224 | {
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225 | return mLocalForm;
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226 | }
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227 |
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228 | private :
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229 | // -----------------------------------------------------------------------
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230 | // Private data members
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231 | //
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232 | // fLocalForm
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233 | // This is the local code page form of the string.
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234 | // -----------------------------------------------------------------------
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235 | char* mLocalForm;
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236 | };
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237 |
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238 | inline XERCES_STD_QUALIFIER ostream&
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239 | operator<<(XERCES_STD_QUALIFIER ostream& target, const StrX& toDump)
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240 | {
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241 | target << toDump.LocalForm();
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242 | return target;
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243 | }
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244 |
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245 | #endif
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