source: src/Actions/ValueStorage.hpp@ c38826

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Last change on this file since c38826 was e4afb4, checked in by Frederik Heber <heber@…>, 14 years ago

Huge refactoring: Introduction of Traits to Actions.

This change is really big but the introduction of the Trait concept (at least
in its current light form) is so fundamental that lots of pieces had to be
changed in order to get everything working.

The main point why it was necessary to add these traits in the first place was
to comfortably allow for adding extension of Actions information-wise, i.e.
with stuff that is only important for the QtUI, such as icons, or tooltips, ...
This extra information should not be stored with Action itself, as it has
nothing to do with the workings of the Action. And neither should it get
stored with some blown-out-of-proportions MapOfActions class ...

The gist of the change is as follows:

  • OptionTrait contains the token, description, shortform and type of an option, such as ("position", "position in space, none, typeid(Vector)).
  • ActionTrait is the derived form for actions where additionally MenuPosition and MenuName are stored (and probably more to come for the GUI), also we have a set of OptionTrait instances, one for each option of the Action.
  • Action then contains this ActionTrait, specialized for each Action.
  • the preprocessor macros have been enhanced to gather all this information from the .def files.
  • MapOfActions is gone. Completely. Most of its use was to store this extra information and the ValueStorage part now is just in class ValueStorage.
  • ValueStorage is no more an interface to MapOfActions but as the name says a (type-safe) ValueStorage.

Listing the (remaining) changes in alphabetical order of the class:

  • Action
    • member value ::name dropped, ::getName() uses ActionTraits::getName()
    • new define NODEFAULT which is used in paramdefaults in .def files
    • all derived actions classes such as Process, Calculations, MakroAction,... have been adapated to use the ActionTrait concept as well.
  • ActionHistory
    • extraced RedoAction and UndoAction, shifted implementation into their own object files and they use .def files as well (i.e. streamlined with method used for other actions)
  • MenuDescription
    • contain information on Menus such as name, ...
    • new unit test checks for consistency
  • molecule
    • const member functions: Copy(), Output() and OutputBonds()
  • OptionRegistry
    • new registry class for options only
    • we want the same type throughout the code for each token, e.g. "position"
    • the registry containts checks for consistency
  • OptionTrait
    • default values are specified in paramdefaults, none are given by NODEFAULT
    • introduced default for translate-atoms, point-correlation, pair-correlation
  • Registry pattern
    • new unit test, but only sceleton code so far
  • ...Query, also ...Pipe
    • atoms, molecule and elements are now all const
    • also ValueStorage's signatures all have const therein
  • ValueStorage
    • set/queryCurrentValue from MapOfActions
    • at times VectorValue has been in .def files where Vector was in the signature. This is cleared. Such stuff is only present for e.g. BoxVector being queried as a Vector. But this is a feature and intended.
  • World
    • most of the (un)selection functions now work on const atoms and molecules
    • in one case we need a const_cast to remove this, but this is intentional, as the vector of selected atoms stores non-const pointers and this is ok.

There is only one test which had to be changed slightly because a specific
option token as "position" must now have the same type everywhere, e.g. always
Vector.

  • TESTFIX: Simple_configuration/2: --position -> --domain-position (and associated to BoxVector)
  • Property mode set to 100644
File size: 5.3 KB
RevLine 
[75dc28]1/*
2 * ValueStorage.hpp
3 *
4 * Created on: Jul 22, 2010
5 * Author: heber
6 */
7
8#ifndef VALUESTORAGE_HPP_
9#define VALUESTORAGE_HPP_
10
[e4afb4]11#include <boost/filesystem.hpp>
12#include <boost/lexical_cast.hpp>
13#include <boost/program_options.hpp>
14
15#include <map>
16#include <set>
17#include <vector>
18#include <typeinfo>
19
20#include "Actions/OptionTrait.hpp"
21#include "Actions/OptionRegistry.hpp"
22#include "Exceptions/IllegalTypeException.hpp"
23#include "Exceptions/MissingValueException.hpp"
24#include "Helpers/Assert.hpp"
25#include "Patterns/Singleton.hpp"
26
27class MapOfActionsTest;
28
29class Box;
30class atom;
31class element;
32class molecule;
33class Vector;
34
35namespace po = boost::program_options;
36
37using boost::lexical_cast;
38
[75dc28]39#include "Patterns/Singleton.hpp"
40
41/** ValueStorage serves as a mediator to MapOfActions.
42 * This is needed to relax inter-dependencies between the Queries and the Actions.
43 * I.e. this is the interface implemented in MapOfActions which both can safely rely on
44 * to store&retrieve/exchange values.
45 */
46class ValueStorage : public Singleton<ValueStorage> {
47 friend class Singleton<ValueStorage>;
48
[9d33ba]49public:
[e4afb4]50
51 bool isCurrentValuePresent(const char *name) const;
52 void queryCurrentValue(const char * name, const atom * &_T);
53 void queryCurrentValue(const char * name, const element * &_T);
54 void queryCurrentValue(const char * name, const molecule * &_T);
55 void queryCurrentValue(const char * name, class Box &_T);
56 void queryCurrentValue(const char * name, class Vector &_T);
57 void queryCurrentValue(const char * name, class BoxVector &_T);
58 void queryCurrentValue(const char * name, std::vector<const atom *>&_T);
59 void queryCurrentValue(const char * name, std::vector<const element *>&_T);
60 void queryCurrentValue(const char * name, std::vector<const molecule *>&_T);
61 void queryCurrentValue(const char * name, boost::filesystem::path&_T);
62
[03c902]63 /** Gets a value from the storage
64 * If the value is not present, an ASSERT is thrown unless optional is set to true.
65 * \param _T key of value
66 * \param optional whether this value is optional, i.e. may actually not be in the storage (i.e. may return false in this case).
67 * \return true - value present, false - value not present (only given when optional set to true)
68 */
[e4afb4]69 template<typename T> void queryCurrentValue(const char * name, T &_T)
70 {
71 if (typeid( T ) == *(OptionRegistry_instance.getOptionByName(name)->getType())) { // constructor of type_info is private, hence can only store by ref or ptr
72 if (CurrentValueMap.find(name) == CurrentValueMap.end())
73 throw MissingValueException(__FILE__, __LINE__);
74 _T = lexical_cast<T>(CurrentValueMap[name].c_str());
75 CurrentValueMap.erase(name);
76 } else
77 throw IllegalTypeException(__FILE__,__LINE__);
[75dc28]78 }
[e4afb4]79 template<typename T> void queryCurrentValue(const char * name, std::vector<T> &_T)
80 {
81 T temp;
82 if (typeid( std::vector<T> ) == *(OptionRegistry_instance.getOptionByName(name)->getType())) { // constructor of type_info is private, hence can only store by ref or ptr
83 if (CurrentValueMap.find(name) == CurrentValueMap.end())
84 throw MissingValueException(__FILE__, __LINE__);
85 std::istringstream stream(CurrentValueMap[name]);
86 CurrentValueMap.erase(name);
87 while (!stream.fail()) {
88 stream >> temp >> std::ws;
89 _T.push_back(temp);
90 }
91 } else
92 throw IllegalTypeException(__FILE__,__LINE__);
93 }
94
95 void setCurrentValue(const char * name, const atom * &_T);
96 void setCurrentValue(const char * name, const element * &_T);
97 void setCurrentValue(const char * name, const molecule * &_T);
98 void setCurrentValue(const char * name, class Box &_T);
99 void setCurrentValue(const char * name, class Vector &_T);
100 void setCurrentValue(const char * name, std::vector<const atom *>&_T);
101 void setCurrentValue(const char * name, std::vector<const element *>&_T);
102 void setCurrentValue(const char * name, std::vector<const molecule *>&_T);
103 void setCurrentValue(const char * name, boost::filesystem::path&_T);
[03c902]104
105 /** Sets a value in the storage.
106 * \param name key of value
107 * \param _T value
108 */
[e4afb4]109 template<class T> void setCurrentValue(const char * name, T &_T)
110 {
111 std::ostringstream stream;
112 if (typeid( T ) == *(OptionRegistry_instance.getOptionByName(name)->getType())) { // constructor of type_info is private, hence can only store by ref or ptr
113 stream << _T;
114 CurrentValueMap[name] = stream.str();
115 } else
116 throw IllegalTypeException(__FILE__,__LINE__);
[75dc28]117 }
[e4afb4]118 /** Sets a value in the storage.
119 * \param name key of value
120 * \param _T value
[03c902]121 */
[e4afb4]122 template<class T> void setCurrentValue(const char * name, std::vector<T> &_T)
123 {
124 std::ostringstream stream;
125 if (typeid( std::vector<T> ) == *(OptionRegistry_instance.getOptionByName(name)->getType())) { // constructor of type_info is private, hence can only store by ref or ptr
126 std::ostringstream stream;
127 for (typename std::vector<T>::const_iterator iter = _T.begin(); iter != _T.end(); ++iter) {
128 stream << (*iter) << " ";
129 }
130 CurrentValueMap[name] = stream.str();
131 } else
132 throw IllegalTypeException(__FILE__,__LINE__);
133 }
134
[4885f85]135 const std::string getCurrentValue(std::string actionname);
[9d33ba]136
[75dc28]137protected:
138 ValueStorage();
139 ~ValueStorage();
[03c902]140
[e4afb4]141 std::map<std::string, std::string> CurrentValueMap;
142
143 OptionRegistry &OptionRegistry_instance;
[75dc28]144};
145
146#endif /* VALUESTORAGE_HPP_ */
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