uhd: added printable to string methods to ranges

2 files changed, 26 insertions, 2 deletions

diff --git a/host/include/uhd/types/ranges.hpp b/host/include/uhd/types/ranges.hpp
index 623bdca19..b13f80ae4 100644
--- a/host/include/uhd/types/ranges.hpp
+++ b/host/include/uhd/types/ranges.hpp
@@ -20,6 +20,7 @@
 
 #include <uhd/config.hpp>
 #include <uhd/utils/pimpl.hpp>
+#include <string>
 #include <vector>
 
 namespace uhd{
@@ -55,8 +56,11 @@ namespace uhd{
         //! Get the step value for this range.
         const T step(void) const;
 
+        //! Convert this range to a printable string
+        const std::string to_pp_string(void) const;
+
     private: 
-	UHD_PIMPL_DECL(impl) _impl;
+        UHD_PIMPL_DECL(impl) _impl;
     };
 
     /*!
@@ -102,6 +106,9 @@ namespace uhd{
          */
          const T clip(const T &value, bool clip_step = false) const;
 
+        //! Convert this meta-range to a printable string
+        const std::string to_pp_string(void) const;
+
     };
 
     //! export a symbol for the gain range type
diff --git a/host/include/uhd/types/ranges.ipp b/host/include/uhd/types/ranges.ipp
index 8b602a24d..29f389fca 100644
--- a/host/include/uhd/types/ranges.ipp
+++ b/host/include/uhd/types/ranges.ipp
@@ -22,7 +22,7 @@
 #include <boost/foreach.hpp>
 #include <algorithm>
 #include <stdexcept>
-#include <iostream>
+#include <sstream>
 
 namespace uhd{
 
@@ -66,6 +66,15 @@ namespace uhd{
         return _impl->step;
     }
 
+    template <typename T> const std::string range_t<T>::to_pp_string(void) const{
+        std::stringstream ss;
+        ss << "(" << this->start();
+        if (this->start() != this->stop()) ss << ", " << this->stop();
+        if (this->step() != T(0)) ss << ", " << this->step();
+        ss << ")";
+        return ss.str();
+    }
+
     /*******************************************************************
      * meta_range_t implementation code
      ******************************************************************/
@@ -163,6 +172,14 @@ namespace uhd{
         return last_stop;
     }
 
+    template <typename T> const std::string meta_range_t<T>::to_pp_string(void) const{
+        std::stringstream ss;
+        BOOST_FOREACH(const range_t<T> &r, (*this)){
+            ss << r.to_pp_string() << std::endl;
+        }
+        return ss.str();
+    }
+
 } //namespace uhd
 
 #endif /* INCLUDED_UHD_TYPES_RANGES_IPP */