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1// Parser.hh for FbTk
2// Copyright (c) 2004 Henrik Kinnunen (fluxgen at fluxbox dot org)
3// and Simon Bowden (rathnor at users.sourceforge.net)
4//
5// Permission is hereby granted, free of charge, to any person obtaining a
6// copy of this software and associated documentation files (the "Software"),
7// to deal in the Software without restriction, including without limitation
8// the rights to use, copy, modify, merge, publish, distribute, sublicense,
9// and/or sell copies of the Software, and to permit persons to whom the
10// Software is furnished to do so, subject to the following conditions:
11//
12// The above copyright notice and this permission notice shall be included in
13// all copies or substantial portions of the Software.
14//
15// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
21// DEALINGS IN THE SOFTWARE.
22
23#ifndef FBTK_PARSER_HH
24#define FBTK_PARSER_HH
25
26#include <string>
27#include <utility>
28
29namespace FbTk {
30
31// interface class for a generic Parser
32class Parser {
33public:
34 typedef std::pair<std::string, std::string> Item;
35 static const Item s_empty_item;
36
37 virtual ~Parser() { }
38
39 virtual bool open(const std::string &filename) = 0;
40 virtual void close() = 0;
41 virtual bool eof() const = 0;
42 virtual bool isLoaded() const = 0;
43 virtual int row() const = 0;
44 virtual std::string line() const = 0;
45 virtual Parser &operator >> (Item &out) = 0;
46 virtual Item nextItem() = 0;
47
48};
49
50}; // end namespace FbTk
51
52#endif // FBTK_PARSER_HH