source: trunk/VUT/GtpVisibilityPreprocessor/src/ViewCellsParserXerces.h @ 590

Revision 590, 4.8 KB checked in by mattausch, 19 years ago (diff)

implemented some code for merge history loading

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 VspKdTree;
17class BspTree;
18class ViewCellsManager;
19
20class ViewCellsParseHandlers: public HandlerBase
21{
22public:
23  // -----------------------------------------------------------------------
24  //  Constructors and Destructor
25  // -----------------------------------------------------------------------
26  ViewCellsParseHandlers(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  void CreateViewCellsManager(const char *name);
64
65
66  VspBspTree *mVspBspTree;
67  VspKdTree *mVspKdTree;
68  BspTree *mBspTree;
69 
70  BspNode *mCurrentBspNode;
71  ViewCellContainer mViewCells;
72  ViewCellsManager *mViewCellsManager;
73  ObjectContainer *mObjects;
74
75  AxisAlignedBox3 mViewSpaceBox;
76
77  // Handlers for X3D
78  void StartBspLeaf(AttributeList& attributes);
79  void StartBspInterior(AttributeList& attributes);
80  void EndBspInterior();
81 
82  void StartViewCell(AttributeList&  attributes);
83  void EndViewCells();
84
85  void StartHierarchy(AttributeList& attributes);
86
87  void startBspElement(string element, AttributeList& attributes);
88  void StartViewSpaceBox(AttributeList&  attributes);
89  // -----------------------------------------------------------------------
90  //  Handlers for the SAX ErrorHandler interface
91  // -----------------------------------------------------------------------
92  void warning(const SAXParseException& exc);
93  void error(const SAXParseException& exc);
94  void fatalError(const SAXParseException& exc);
95 
96 
97private:
98  // -----------------------------------------------------------------------
99  //  Private data members
100  //
101  //  fAttrCount
102  //  fCharacterCount
103  //  fElementCount
104  //  fSpaceCount
105  //      These are just counters that are run upwards based on the input
106  //      from the document handlers.
107  // -----------------------------------------------------------------------
108  unsigned int    mAttrCount;
109  unsigned int    mCharacterCount;
110  unsigned int    mElementCount;
111  unsigned int    mSpaceCount;
112};
113
114// ---------------------------------------------------------------------------
115//  This is a simple class that lets us do easy (though not terribly efficient)
116//  trancoding of XMLCh data to local code page for display.
117// ---------------------------------------------------------------------------
118class StrX
119{
120public :
121  // -----------------------------------------------------------------------
122  //  Constructors and Destructor
123  // -----------------------------------------------------------------------
124  StrX(const XMLCh* const toTranscode)
125  {
126          // Call the private transcoding method
127          mLocalForm = XMLString::transcode(toTranscode);
128  }
129 
130  ~StrX()
131  {
132          XMLString::release(&mLocalForm);
133  }
134 
135  // -----------------------------------------------------------------------
136  //  Getter methods
137  // -----------------------------------------------------------------------
138  const char* LocalForm() const
139  {
140    return mLocalForm;
141  }
142 
143private :
144  // -----------------------------------------------------------------------
145  //  Private data members
146  //
147  //  fLocalForm
148  //      This is the local code page form of the string.
149  // -----------------------------------------------------------------------
150  char*   mLocalForm;
151};
152
153inline XERCES_STD_QUALIFIER ostream&
154operator<<(XERCES_STD_QUALIFIER ostream& target, const StrX& toDump)
155{
156  target << toDump.LocalForm();
157  return target;
158}
159
160#endif
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