xref: /freebsd/contrib/kyua/model/context.hpp (revision 5ca8e32633c4ffbbcd6762e5888b6a4ba0708c6c)
1 // Copyright 2011 The Kyua Authors.
2 // All rights reserved.
3 //
4 // Redistribution and use in source and binary forms, with or without
5 // modification, are permitted provided that the following conditions are
6 // met:
7 //
8 // * Redistributions of source code must retain the above copyright
9 //   notice, this list of conditions and the following disclaimer.
10 // * Redistributions in binary form must reproduce the above copyright
11 //   notice, this list of conditions and the following disclaimer in the
12 //   documentation and/or other materials provided with the distribution.
13 // * Neither the name of Google Inc. nor the names of its contributors
14 //   may be used to endorse or promote products derived from this software
15 //   without specific prior written permission.
16 //
17 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
21 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
23 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 
29 /// \file model/context.hpp
30 /// Representation of runtime contexts.
31 
32 #if !defined(MODEL_CONTEXT_HPP)
33 #define MODEL_CONTEXT_HPP
34 
35 #include "model/context_fwd.hpp"
36 
37 #include <map>
38 #include <memory>
39 #include <ostream>
40 #include <string>
41 
42 #include "utils/fs/path_fwd.hpp"
43 
44 namespace model {
45 
46 
47 /// Representation of a runtime context.
48 ///
49 /// The instances of this class are unique (i.e. copying the objects only yields
50 /// a shallow copy that shares the same internal implementation).  This is a
51 /// requirement for the 'store' API model.
52 class context {
53     struct impl;
54 
55     /// Pointer to the shared internal implementation.
56     std::shared_ptr< impl > _pimpl;
57 
58 public:
59     context(const utils::fs::path&,
60             const std::map< std::string, std::string >&);
61     ~context(void);
62 
63     const utils::fs::path& cwd(void) const;
64     const std::map< std::string, std::string >& env(void) const;
65 
66     bool operator==(const context&) const;
67     bool operator!=(const context&) const;
68 };
69 
70 
71 std::ostream& operator<<(std::ostream&, const context&);
72 
73 
74 }  // namespace model
75 
76 #endif  // !defined(MODEL_CONTEXT_HPP)
77