anatomist  5.1.2
3D neuroimaging data viewer
Registry.h
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33 
34 
35 #ifndef ANA_PROCESSOR_REGISTRY_H
36 #define ANA_PROCESSOR_REGISTRY_H
37 
38 
39 //--- header files ------------------------------------------------------------
40 
43 
44 
45 class Tree;
46 
47 
48 namespace anatomist
49 {
50  struct CommandContext;
51 
52  //--- class declarations ----------------------------------------------------
53 
67  class Registry
68  {
69  public:
74  static Registry* instance();
75 
77 
78  const carto::SyntaxSet & syntax() const { return( _syntax ); }
79 
85  bool add( const std::string & command, Command::Reader function,
86  const carto::SyntaxSet & syntax );
87 
89  Command* create( const Tree & command, CommandContext* context ) const;
90 
91  protected:
94 
95  private:
98 
100  Registry(const Registry&);
101 
103  Registry& operator=(const Registry&);
104 
106 
108  static Registry* _instance;
109 
110  std::map<std::string, Command::Reader> _command;
111  carto::SyntaxSet _syntax;
112  };
113 
114 }
115 
116 
117 #endif
The abstract base class for commands.
Definition: Command.h:60
Command *(* Reader)(const Tree &, CommandContext *)
Definition: Command.h:72
Registry links all Command concrete subclasses with a function that will read the guts of the command...
Definition: Registry.h:68
bool add(const std::string &command, Command::Reader function, const carto::SyntaxSet &syntax)
Register a \Ref{Command} subclass and link with a function will read the guts from a stream and creat...
Command * create(const Tree &command, CommandContext *context) const
Creates a command with given characteristics provided as a Tree.
static Registry * instance()
Access the unique instance of Registry.
Registry()
Singleton constructor cannot be accessed by the programmer.
const carto::SyntaxSet & syntax() const
Definition: Registry.h:78
std::map< std::string, Syntax > SyntaxSet
Context for commands processor readers (APipeReader etc)
Definition: context.h:48