1// SuperTux
2// Copyright (C) 2015 Ingo Ruhnke <grumbel@gmail.com>
3//
4// This program is free software: you can redistribute it and/or modify
5// it under the terms of the GNU General Public License as published by
6// the Free Software Foundation, either version 3 of the License, or
7// (at your option) any later version.
8//
9// This program is distributed in the hope that it will be useful,
10// but WITHOUT ANY WARRANTY; without even the implied warranty of
11// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12// GNU General Public License for more details.
13//
14// You should have received a copy of the GNU General Public License
15// along with this program. If not, see <http://www.gnu.org/licenses/>.
16
17#ifndef HEADER_SUPERTUX_UTIL_READER_ITERATOR_HPP
18#define HEADER_SUPERTUX_UTIL_READER_ITERATOR_HPP
19
20#include <string>
21#include <vector>
22
23namespace sexp {
24class Value;
25} // namespace sexp
26
27class ReaderMapping;
28class ReaderDocument;
29
30/** The ReaderIterator class is for backward compatibilty with old
31 fileformats only, do not use it in new code, use ReaderCollection
32 and ReaderMapping instead */
33class ReaderIterator final
34{
35public:
36 // sx should point to (section (name value)...)
37 ReaderIterator(const ReaderDocument& doc, const sexp::Value& sx);
38
39 /** must be called once before any of the other function become
40 valid, i.e. ReaderIterator it; while(it.next()) { ... } */
41 bool next();
42
43 bool is_string();
44 bool is_pair();
45 std::string as_string_item();
46
47 std::string get_key() const;
48
49 void get(bool& value) const;
50 void get(int& value) const;
51 void get(float& value) const;
52 void get(std::string& value) const;
53
54 ReaderMapping as_mapping() const;
55
56 const sexp::Value& get_sexp() const;
57 const ReaderDocument& get_doc() const { return m_doc; }
58
59private:
60 const ReaderDocument& m_doc;
61 const std::vector<sexp::Value>& m_arr;
62 size_t m_idx;
63};
64
65#endif
66
67/* EOF */
68