bioformats  5.1.2
Parse.h
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3  * OME-XML C++ library for working with OME-XML metadata structures.
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38 
39 #ifndef OME_XML_MODEL_DETAIL_PARSE_H
40 #define OME_XML_MODEL_DETAIL_PARSE_H
41 
42 #include <ome/xml/model/OMEModelObject.h>
43 
44 #include <boost/mpl/bool.hpp>
45 #include <boost/type_traits.hpp>
46 
47 namespace ome
48 {
49  namespace xml
50  {
51  namespace model
52  {
53  namespace detail
54  {
55 
64  void
65  parse_value_fail(const std::string& text,
66  const std::string& klass,
67  const std::string& property);
68 
70  template <class T>
72  : boost::false_type {};
73 
75  template <class T>
76  struct is_shared_ptr<ome::compat::shared_ptr<T> >
77  : boost::true_type {};
78 
88  template<typename T>
89  inline void
90  parse_value(const std::string& text,
91  T& value,
92  const std::string& klass,
93  const std::string& property)
94  {
95  std::istringstream is(text);
96  is.imbue(std::locale::classic());
97 
98  if (!(is >> value))
99  parse_value_fail(text, klass, property);
100  }
101 
111  template<>
112  inline void
113  parse_value<bool>(const std::string& text,
114  bool& value,
115  const std::string& klass,
116  const std::string& property)
117  {
118  std::istringstream is(text);
119  is.imbue(std::locale::classic());
120 
121  if (!(is >> std::boolalpha >> value))
122  parse_value_fail(text, klass, property);
123  }
124 
125  // Disable -Wunused-parameter temporarily. We can't comment out
126  // the names since they are needed for docstrings when used
127  // inline.
128 #ifdef __GNUC__
129 # pragma GCC diagnostic push
130 # pragma GCC diagnostic ignored "-Wunused-parameter"
131 #endif
132 
142  template<>
143  inline void
144  parse_value<std::string>(const std::string& text,
145  std::string& value,
146  const std::string& klass,
147  const std::string& property)
148  {
149  value = text;
150  }
151 
152 #ifdef __GNUC__
153 # pragma GCC diagnostic pop
154 #endif
155 
165  template<typename T>
166  inline typename boost::disable_if_c<
167  is_shared_ptr<T>::value,
168  typename boost::remove_const<typename boost::remove_reference<T>::type>::type
169  >::type
170  parse_value(const std::string& text,
171  const std::string& klass,
172  const std::string& property)
173  {
174  typedef typename boost::remove_const<typename boost::remove_reference<T>::type>::type raw_type;
175 
176  raw_type attr;
177  parse_value(text, attr, klass, property);
178  return attr;
179  }
180 
190  template<typename T>
191  inline typename boost::enable_if_c<
192  is_shared_ptr<T>::value,
193  typename boost::remove_const<typename boost::remove_reference<T>::type>::type
194  >::type
195  parse_value(const std::string& text,
196  const std::string& klass,
197  const std::string& property)
198  {
199  typedef typename boost::remove_const<typename boost::remove_reference<T>::type>::type raw_type;
200 
201  raw_type attr(ome::compat::make_shared<typename raw_type::element_type>());
202  parse_value(text, *attr, klass, property);
203  return attr;
204  }
205 
220  template<class C, typename T>
221  inline void
222  set_value(const std::string& text,
223  C& object,
224  void (C::* setter)(T value),
225  const std::string& klass,
226  const std::string& property)
227  {
228  typedef typename boost::remove_const<typename boost::remove_reference<T>::type>::type raw_type;
229 
230  raw_type attr(parse_value<raw_type>(text, klass, property));
231 
232  (object.*setter)(attr);
233  }
234 
235  }
236  }
237  }
238 }
239 
240 #endif // OME_XML_MODEL_DETAIL_PARSE_H
241 
242 /*
243  * Local Variables:
244  * mode:C++
245  * End:
246  */
void parse_value< bool >(const std::string &text, bool &value, const std::string &klass, const std::string &property)
Parse a Boolean value.
Definition: Parse.h:113
void parse_value(const std::string &text, T &value, const std::string &klass, const std::string &property)
Parse an arbitrary value.
Definition: Parse.h:90
Open Microscopy Environment C++ implementation.
Definition: CoreMetadata.cpp:40
void set_value(const std::string &text, C &object, void(C::*setter)(T value), const std::string &klass, const std::string &property)
Set an arbitrary value.
Definition: Parse.h:222
Type trait for shared_ptr.
Definition: Parse.h:71
void parse_value_fail(const std::string &text, const std::string &klass, const std::string &property)
Throw a model exception with an informative message.
Definition: Parse.cpp:54
Xerces-C modern C++ wrapper.
Definition: Base.h:53