Version: 8.3.0
parserBase.hxx
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1 // Copyright (C) 2006-2016 CEA/DEN, EDF R&D
2 //
3 // This library is free software; you can redistribute it and/or
4 // modify it under the terms of the GNU Lesser General Public
5 // License as published by the Free Software Foundation; either
6 // version 2.1 of the License, or (at your option) any later version.
7 //
8 // This library is distributed in the hope that it will be useful,
9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 // Lesser General Public License for more details.
12 //
13 // You should have received a copy of the GNU Lesser General Public
14 // License along with this library; if not, write to the Free Software
15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
16 //
17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
18 //
19 
20 #ifndef _PARSERBASE_HXX_
21 #define _PARSERBASE_HXX_
22 
23 #include "YACSloaderExport.hxx"
24 
25 #include <stack>
26 #include <map>
27 #include <string>
28 #include <iostream>
29 
30 #include <libxml/parser.h>
31 #include <libxml/tree.h>
32 #include <libxml/xmlreader.h>
33 
34 namespace YACS
35 {
36 
37 typedef char XML_Char;
38 
39 struct YACSLOADER_EXPORT parser
40 {
41  static parser main_parser;
42  static std::stack<parser*> _stackParser;
43 
44  parser():_level(0),_defaultParsersMap(0)
45  {
46  _counts=new std::map<std::string,int>;
47  }
48  virtual ~parser();
49  virtual void SetUserDataAndPush(parser* pp);
50  virtual void onStart(const XML_Char *el, const XML_Char** attr);
51  virtual void onEnd(const XML_Char *el, parser* child);
52  virtual void charData(const XML_Char *s, int len);
53  virtual void endParser();
54  virtual void init();
55  virtual void incrCount(const XML_Char *elem);
56  virtual void checkOrder(std::string& el);
57  virtual void maxcount(std::string name, int max, std::string& el);
58  virtual void mincount(std::string name,int min );
59  virtual void maxchoice(std::string *names, int max, std::string& el);
60  virtual void minchoice(std::string *names, int min);
61  virtual void pre(){_content="";};
62  virtual void required(const std::string& name, const XML_Char** attr);
63  virtual void buildAttr(const XML_Char** attr);
64 
65  static void XMLCALL start_document(void* data);
66  static void XMLCALL end_document (void* data);
67  static void XMLCALL start_element (void* data,
68  const xmlChar* name,
69  const xmlChar** p);
70  static void XMLCALL end_element (void* data,
71  const xmlChar* name);
72  static void XMLCALL characters (void* data,
73  const xmlChar* ch,
74  int len);
75  static void XMLCALL comment (void* data,
76  const xmlChar* value);
77  static void XMLCALL cdata_block (void* data,
78  const xmlChar* value,
79  int len);
80  static void XMLCALL warning (void* data,
81  const char* fmt, ...);
82  static void XMLCALL error (void* data,
83  const char* fmt, ...);
84  static void XMLCALL fatal_error (void* data,
85  const char* fmt, ...);
86 
87  static void XML_SetUserData(_xmlParserCtxt* ctxt, parser* par);
88 
89  std::stack<parser*>& getStack();
90 
91  template<class T>
92  T post() { }
93 
94  void logError(const std::string& reason);
95 
96  std::string _file;
97  std::string _content;
98  std::map<std::string,int> *_counts;
99  std::map<std::string,int> _orders;
100  int _orderState;
101  int _level;
102  std::stack<std::map<std::string,int>*> _stackCount;
103  std::stack<int> _stackOrder;
104  // OCC: san -- Allow external parsers for handling of unknown elements
105  // and attributes. This capability is used by YACS GUI to read
106  // graph presentation data
107  std::map<std::string,parser*> *_defaultParsersMap;
108 };
109 
110 }
111 #endif