source: trunk/VUT/GtpVisibilityPreprocessor/src/ViewCellsParserXerces.h @ 508

Revision 508, 4.5 KB checked in by mattausch, 19 years ago (diff)

implemented view cells exporting / loading
improved vsp bsp tree (only axis aligbed until a level), reuse results from Plane
testing, collectmergeneighbors
implemented view cell meshes

Line 
1#ifndef _X3D_PARSER_XERCES__H
2#define _X3D_PARSER_XERCES__H
3
4// ---------------------------------------------------------------------------
5//  Includes
6// ---------------------------------------------------------------------------
7#include <xercesc/sax/HandlerBase.hpp>
8#include "Mesh.h"
9
10XERCES_CPP_NAMESPACE_USE
11XERCES_CPP_NAMESPACE_BEGIN
12class AttributeList;
13XERCES_CPP_NAMESPACE_END
14
15class VspBspTree;
16class ViewCellsManager;
17
18class ViewCellsParseHandlers: public HandlerBase
19{
20public:
21  // -----------------------------------------------------------------------
22  //  Constructors and Destructor
23  // -----------------------------------------------------------------------
24  ViewCellsParseHandlers(VspBspTree *tree,
25                                                 ViewCellsManager *viewCellsManager,
26                                                 ObjectContainer *objects);
27  ~ViewCellsParseHandlers();
28 
29 
30  // -----------------------------------------------------------------------
31  //  Getter methods
32  // -----------------------------------------------------------------------
33  unsigned int GetElementCount()
34  {
35    return mElementCount;
36  }
37 
38  unsigned int GetAttrCount()
39  {
40    return mAttrCount;
41  }
42 
43  unsigned int GetCharacterCount()
44  {
45    return mCharacterCount;
46  }
47 
48  unsigned int GetSpaceCount()
49  {
50    return mSpaceCount;
51  }
52
53
54  // -----------------------------------------------------------------------
55  //  Handlers for the SAX DocumentHandler interface
56  // -----------------------------------------------------------------------
57  void endElement(const XMLCh* const name);
58  void startElement(const XMLCh* const name, AttributeList& attributes);
59  void characters(const XMLCh* const chars, const unsigned int length);
60  void ignorableWhitespace(const XMLCh* const chars, const unsigned int length);
61  void resetDocument();
62
63  VspBspTree *mVspBspTree;
64  BspNode *mCurrentNode;
65  ViewCellContainer mViewCells;
66  ViewCellsManager *mViewCellsManager;
67  ObjectContainer *mObjects;
68
69  // Handlers for X3D
70  void StartLeaf(AttributeList& attributes);
71  void StartInterior(AttributeList& attributes);
72  void EndInterior();
73 
74  void StartViewCell(AttributeList&  attributes);
75  void EndViewCells();
76
77  // -----------------------------------------------------------------------
78  //  Handlers for the SAX ErrorHandler interface
79  // -----------------------------------------------------------------------
80  void warning(const SAXParseException& exc);
81  void error(const SAXParseException& exc);
82  void fatalError(const SAXParseException& exc);
83 
84 
85private:
86  // -----------------------------------------------------------------------
87  //  Private data members
88  //
89  //  fAttrCount
90  //  fCharacterCount
91  //  fElementCount
92  //  fSpaceCount
93  //      These are just counters that are run upwards based on the input
94  //      from the document handlers.
95  // -----------------------------------------------------------------------
96  unsigned int    mAttrCount;
97  unsigned int    mCharacterCount;
98  unsigned int    mElementCount;
99  unsigned int    mSpaceCount;
100};
101
102// ---------------------------------------------------------------------------
103//  This is a simple class that lets us do easy (though not terribly efficient)
104//  trancoding of XMLCh data to local code page for display.
105// ---------------------------------------------------------------------------
106class StrX
107{
108public :
109  // -----------------------------------------------------------------------
110  //  Constructors and Destructor
111  // -----------------------------------------------------------------------
112  StrX(const XMLCh* const toTranscode)
113  {
114          // Call the private transcoding method
115          mLocalForm = XMLString::transcode(toTranscode);
116  }
117 
118  ~StrX()
119  {
120          XMLString::release(&mLocalForm);
121  }
122 
123  // -----------------------------------------------------------------------
124  //  Getter methods
125  // -----------------------------------------------------------------------
126  const char* LocalForm() const
127  {
128    return mLocalForm;
129  }
130 
131private :
132  // -----------------------------------------------------------------------
133  //  Private data members
134  //
135  //  fLocalForm
136  //      This is the local code page form of the string.
137  // -----------------------------------------------------------------------
138  char*   mLocalForm;
139};
140
141inline XERCES_STD_QUALIFIER ostream&
142operator<<(XERCES_STD_QUALIFIER ostream& target, const StrX& toDump)
143{
144  target << toDump.LocalForm();
145  return target;
146}
147
148#endif
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