bindings: Add Device::get_description() method.

bindings/cxx/classes.cpp

@@ -19,6 +19,8 @@
 
 #include "libsigrok/libsigrok.hpp"
 
+#include <sstream>
+
 namespace sigrok
 {
 
@@ -362,6 +364,20 @@ Device::~Device()
 		delete entry.second;
 }
 
+string Device::get_description()
+{
+	ostringstream s;
+
+	vector<string> parts =
+		{get_vendor(), get_model(), get_version()};
+
+	for (string part : parts)
+		if (part.length() > 0)
+			s << part;
+
+	return s.str();
+}
+
 string Device::get_vendor()
 {
 	return valid_string(structure->vendor);

bindings/cxx/include/libsigrok/libsigrok.hpp

@@ -276,6 +276,8 @@ class SR_API Device :
 	public StructureWrapper<Context, struct sr_dev_inst>
 {
 public:
+	/** Description identifying this device. */
+	string get_description();
 	/** Vendor name for this device. */
 	string get_vendor();
 	/** Model name for this device. */

bindings/swig/classes.i

@@ -180,6 +180,7 @@ typedef std::map<const sigrok::ConfigKey *, Glib::VariantBase>
 %attributestring(sigrok::OutputFormat,
     std::string, description, get_description);
 
+%attributestring(sigrok::Device, std::string, description, get_description);
 %attributestring(sigrok::Device, std::string, vendor, get_vendor);
 %attributestring(sigrok::Device, std::string, model, get_model);
 %attributestring(sigrok::Device, std::string, version, get_version);