From b8fa2b3188ed46493b1aa06d91883de5c239f9dc Mon Sep 17 00:00:00 2001
From: Mansard <nmansard@laas.fr>
Date: Fri, 21 Jan 2011 11:38:45 +0100
Subject: [PATCH] Added a bind for commands on std::ostream.
---
include/dynamic-graph/command-bind.h | 73 +++++++++++++++++++++++++++-
1 file changed, 71 insertions(+), 2 deletions(-)
diff --git a/include/dynamic-graph/command-bind.h b/include/dynamic-graph/command-bind.h
index 39d6be1f..9e98189e 100644
--- a/include/dynamic-graph/command-bind.h
+++ b/include/dynamic-graph/command-bind.h
@@ -136,10 +136,13 @@ namespace dynamicgraph {
template <class E,typename T >
CommandVoid1<E,T>*
makeCommandVoid1(E& entity,
- typename CommandVoid1<E,T>::memberFunction_t function ,
+ // The following syntaxt don't compile when not specializing the template
+ // arg... why ???
+ //typename CommandVoid1<E,T>::memberFunction_t function ,
+ boost::function<void(E*,const T&)> function,
const std::string& docString)
{
- return new CommandVoid1<E,T>( entity,
+ return new CommandVoid1<E,T>( entity,
boost::bind(function,&entity,_1),docString );
}
@@ -162,4 +165,70 @@ namespace dynamicgraph {
} // namespace command
} // namespace dynamicgraph
+
+/* --- FUNCTION VERBOSE ----------------------------------------------------- */
+/* This bind a function void f( ostream& ) that display some results into
+ * a string f( void ) that return some string results. */
+
+namespace dynamicgraph {
+ namespace command {
+
+ template <class E >
+ struct CommandVerbose
+ : public Command
+ {
+ typedef boost::function<void(std::ostream&)> function_t;
+ typedef boost::function<void(E*,std::ostream&)> memberFunction_t;
+ typedef void (E::*memberFunctionConst_ptr_t) (std::ostream&) const;
+ typedef void (E::*memberFunction_ptr_t) (std::ostream&);
+
+ CommandVerbose(E& entity, function_t function,
+ const std::string& docString)
+ :Command(entity, boost::assign::list_of(ValueHelper<std::string>::TypeID), docString)
+ ,fptr(function)
+ {}
+
+ protected:
+ virtual Value doExecute()
+ {
+ assert( getParameterValues().size() == 0 );
+ std::ostringstream oss;
+ fptr(oss);
+ return Value( oss.str() ); // return string
+ }
+ private:
+ function_t fptr;
+ };
+
+ template <class E >
+ CommandVerbose<E>*
+ makeCommandVerbose(E& entity,
+ //void (E::*function) (std::ostream&) const,
+ typename CommandVerbose<E>::memberFunctionConst_ptr_t function,
+ const std::string& docString)
+ {
+ return new CommandVerbose<E>( entity,
+ boost::bind(function,&entity,_1),docString );
+ return NULL;
+ }
+
+ template <class E >
+ CommandVerbose<E>*
+ makeCommandVerbose(E& entity,
+ typename CommandVerbose<E>::memberFunction_ptr_t function,
+ const std::string& docString)
+ {
+ return new CommandVerbose<E>( entity,
+ boost::bind(function,&entity,_1),docString );
+ return NULL;
+ }
+
+ std::string docCommandVerbose( const std::string& doc )
+ {
+ return std::string("\n")+doc +"\n\nNo input.\n Return a string.\n\n";
+ }
+
+ } // namespace command
+} // namespace dynamicgraph
+
#endif // __dg_command_bind_h__
--
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