class OverloadedCommandNode;
+ /** \brief Documentation for a single argument
+
+ This struct is used by CommandOverload::argumentDoc()
+ */
+ struct ArgumentDoc {
+ std::string name; ///< Argument name
+ std::string type; ///< Argument type (string representation)
+ std::string defaultValue; ///< Default value (string representation) or empty string
+ std::string doc; ///< Documentation for this argument
+ };
+
/** \brief Base class for command overload of OverloadedCommandNode
This class is the base class of the commands which may be added to an
// Types
typedef boost::intrusive_ptr<CommandOverload> ptr;
+ typedef boost::intrusive_ptr<CommandOverload const> cptr;
///////////////////////////////////////////////////////////////////////////
/**< If the \a arguments are not acceptable for this
overload, a SyntaxErrorException must be thrown.
Same as execute() */
-
- void help(std::ostream & os); ///< Provide help for this specific overload
-
- OverloadedCommandNode & node(); ///< Access owning node
+
+ unsigned numArguments() const; ///< Number of arguments this overload takes
+ void argumentDoc(unsigned index, ArgumentDoc & doc) const;
+ ///< Get information on argument \a index
+ /**< The information is returned in \e doc. \e doc must be
+ empty before this call.
+ \pre \a index < numArguments()
+ \param[in] index Argument index
+ \param[outp doc Argument documentation */
+
+ std::string doc() const; ///< Get overload documentation
+
+ OverloadedCommandNode & node() const; ///< Access owning node
/**< \pre The command \e must have been added to an
OverloadedCommandNode. */
+ unsigned overloadIndex() const; ///< Get index of overload in it's OverloadedCommandNode
+
protected:
CommandOverload();
#ifndef DOXYGEN
private:
#endif
- virtual void v_help(std::ostream & os) const = 0;
+ virtual unsigned v_numArguments() const = 0;
+ ///< Return the number of arguments
+ /**< This member must be implemented in the derived class to
+ return the number of arguments, the command expects. */
+
+ virtual void v_argumentDoc(unsigned index, ArgumentDoc & doc) const = 0;
+ ///< Return argument documentation
+ /**< The member must be implemented int the derived class to
+ return all documentation information for the \a
+ index'th parameter in \a doc. */
+
+ virtual std::string v_doc() const = 0;
+ ///< Return overload documentation
+ /**< This member must be implemented in the derived class to
+ return the overloads documentation string. */
+
virtual void v_execute(std::ostream & os, ParseCommandInfo const & command) const = 0;
+ ///< Execute the overload
+ /**< This member must be implemented in the derived class
+ o execute the overload. */
private:
OverloadedCommandNode * node_;
cmd.add(senf::console::SimpleCommandOverload::create(&anotherCallback));
\endcode
- However, this facility is mostly used not directly but indirectly (and automatically) when
+ However, this facility is normally used not directly but indirectly (and automatically) when
adding argument parsing callbacks.
\warning For this to work, the commands <b>must</b> do all syntax checking before doing any
operation
- \ingroup node_tree
+ \ingroup console_commands
*/
class OverloadedCommandNode
: public CommandNode
typedef boost::shared_ptr<OverloadedCommandNode const> cptr;
typedef boost::weak_ptr<OverloadedCommandNode> weak_ptr;
+ typedef OverloadedCommandNode node_type;
+ typedef OverloadedCommandNode & return_type;
+
///////////////////////////////////////////////////////////////////////////
///\name Structors and default members
///@{
template <class Command>
Command & add(boost::intrusive_ptr<Command> overload); ///< Add an additional overload
- ptr thisptr();
- cptr thisptr() const;
-
OverloadedCommandNode & doc(std::string const & doc);
///< Assign global help for all overloads
- protected:
+ unsigned overloadIndex(CommandOverload const & overload);
+ ///< Return the overload index for \a overload
+ /**< overloadIndex returns the index of \a overload in the
+ internal list of overloads. */
+
+ ptr thisptr();
+ cptr thisptr() const;
private:
OverloadedCommandNode();
SimpleCommandOverload & doc(std::string const & doc);
///< Assign overload specific documentation
- protected:
-
private:
- SimpleCommandOverload(Function fn);
+ explicit SimpleCommandOverload(Function fn);
- virtual void v_help(std::ostream & os) const;
+ virtual unsigned v_numArguments() const;
+ virtual void v_argumentDoc(unsigned index, ArgumentDoc & doc) const;
+ virtual std::string v_doc() const;
virtual void v_execute(std::ostream & os, ParseCommandInfo const & command) const;
Function fn_;