stmtparser.h
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1 /*
2  * Copyright (C) 2005 Tommi Maekitalo
3  *
4  * This library is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2.1 of the License, or (at your option) any later version.
8  *
9  * As a special exception, you may use this file as part of a free
10  * software library without restriction. Specifically, if other files
11  * instantiate templates or use macros or inline functions from this
12  * file, or you compile this file and link it with other files to
13  * produce an executable, this file does not by itself cause the
14  * resulting executable to be covered by the GNU General Public
15  * License. This exception does not however invalidate any other
16  * reasons why the executable file might be covered by the GNU Library
17  * General Public License.
18  *
19  * This library is distributed in the hope that it will be useful,
20  * but WITHOUT ANY WARRANTY; without even the implied warranty of
21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
22  * Lesser General Public License for more details.
23  *
24  * You should have received a copy of the GNU Lesser General Public
25  * License along with this library; if not, write to the Free Software
26  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
27  */
28 
29 #ifndef TNTDB_STMTPARSER_H
30 #define TNTDB_STMTPARSER_H
31 
32 #include <string>
33 
34 namespace tntdb
35 {
36  class StmtEvent
37  {
38  public:
39  virtual ~StmtEvent() {}
40  // returns replacementvalue
41  virtual std::string onHostVar(const std::string& name) = 0;
42  };
43 
59  class StmtParser
60  {
61  char praefixChar;
62  std::string sql;
63 
64  public:
65  explicit StmtParser(char praefixChar_ = ':')
66  : praefixChar(praefixChar_)
67  { }
68 
69  void parse(const std::string& sqlIn, StmtEvent& event);
70 
71  const std::string& getSql() const { return sql; }
72  };
73 }
74 
75 #endif // TNTDB_STMTPARSER_H
76