1 // Copyright 2011 The Kyua Authors.
2 // All rights reserved.
3 //
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16 //
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28
29 #include "model/context.hpp"
30
31 #include "utils/format/macros.hpp"
32 #include "utils/fs/path.hpp"
33 #include "utils/noncopyable.hpp"
34 #include "utils/text/operations.ipp"
35
36 namespace fs = utils::fs;
37 namespace text = utils::text;
38
39
40 /// Internal implementation of a context.
41 struct model::context::impl : utils::noncopyable {
42 /// The current working directory.
43 fs::path _cwd;
44
45 /// The environment variables.
46 std::map< std::string, std::string > _env;
47
48 /// Constructor.
49 ///
50 /// \param cwd_ The current working directory.
51 /// \param env_ The environment variables.
implmodel::context::impl52 impl(const fs::path& cwd_,
53 const std::map< std::string, std::string >& env_) :
54 _cwd(cwd_),
55 _env(env_)
56 {
57 }
58
59 /// Equality comparator.
60 ///
61 /// \param other The object to compare to.
62 ///
63 /// \return True if the two objects are equal; false otherwise.
64 bool
operator ==model::context::impl65 operator==(const impl& other) const
66 {
67 return _cwd == other._cwd && _env == other._env;
68 }
69 };
70
71
72 /// Constructs a new context.
73 ///
74 /// \param cwd_ The current working directory.
75 /// \param env_ The environment variables.
context(const fs::path & cwd_,const std::map<std::string,std::string> & env_)76 model::context::context(const fs::path& cwd_,
77 const std::map< std::string, std::string >& env_) :
78 _pimpl(new impl(cwd_, env_))
79 {
80 }
81
82
83 /// Destructor.
~context(void)84 model::context::~context(void)
85 {
86 }
87
88
89 /// Returns the current working directory of the context.
90 ///
91 /// \return A path.
92 const fs::path&
cwd(void) const93 model::context::cwd(void) const
94 {
95 return _pimpl->_cwd;
96 }
97
98
99 /// Returns the environment variables of the context.
100 ///
101 /// \return A variable name to variable value mapping.
102 const std::map< std::string, std::string >&
env(void) const103 model::context::env(void) const
104 {
105 return _pimpl->_env;
106 }
107
108
109 /// Equality comparator.
110 ///
111 /// \param other The other object to compare this one to.
112 ///
113 /// \return True if this object and other are equal; false otherwise.
114 bool
operator ==(const context & other) const115 model::context::operator==(const context& other) const
116 {
117 return *_pimpl == *other._pimpl;
118 }
119
120
121 /// Inequality comparator.
122 ///
123 /// \param other The other object to compare this one to.
124 ///
125 /// \return True if this object and other are different; false otherwise.
126 bool
operator !=(const context & other) const127 model::context::operator!=(const context& other) const
128 {
129 return !(*this == other);
130 }
131
132
133 /// Injects the object into a stream.
134 ///
135 /// \param output The stream into which to inject the object.
136 /// \param object The object to format.
137 ///
138 /// \return The output stream.
139 std::ostream&
operator <<(std::ostream & output,const context & object)140 model::operator<<(std::ostream& output, const context& object)
141 {
142 output << F("context{cwd=%s, env=[")
143 % text::quote(object.cwd().str(), '\'');
144
145 const std::map< std::string, std::string >& env = object.env();
146 bool first = true;
147 for (std::map< std::string, std::string >::const_iterator
148 iter = env.begin(); iter != env.end(); ++iter) {
149 if (!first)
150 output << ", ";
151 first = false;
152
153 output << F("%s=%s") % (*iter).first
154 % text::quote((*iter).second, '\'');
155 }
156
157 output << "]}";
158 return output;
159 }
160