use EXV_PRINT_TAG macro instead of specific print function

src/nikonmn_int.cpp

@@ -104,6 +104,16 @@ namespace Exiv2 {
         N_("Right-most")
     };
 
+    //! Shutter Modes (credits to exiftool)
+    extern const TagDetails nikonShutterModes[] = {
+        { 0, "Mechanical" },
+        { 16, "Electronic" },
+        { 48, "Electronic Front Curtain" },
+        { 64, "Electronic (Movie)" },
+        { 80,  "Auto (Mechanical)" },
+        { 81, "Auto (Electronic Front Curtain)" }
+    };
+
     //! FlashComp, tag 0x0012
     extern const TagDetails nikonFlashComp[] = {
         // From the PHP JPEG Metadata Toolkit
@@ -589,7 +599,7 @@ namespace Exiv2 {
         TagInfo(0x0024, "WorldTime", N_("World Time"), N_("World time"), nikon3Id, makerTags, undefined, -1, printValue),
         TagInfo(0x0025, "ISOInfo", N_("ISO Info"), N_("ISO info"), nikon3Id, makerTags, undefined, -1, printValue),
         TagInfo(0x002a, "VignetteControl", N_("Vignette Control"), N_("Vignette control"), nikon3Id, makerTags, unsignedShort, -1, EXV_PRINT_TAG(nikonOlnh)),
-        TagInfo(0x0034, "ShutterMode", N_("Shutter Mode"), N_("Shutter mode"), nikon3Id, makerTags, unsignedShort, -1, print0x0034),
+        TagInfo(0x0034, "ShutterMode", N_("Shutter Mode"), N_("Shutter mode"), nikon3Id, makerTags, unsignedShort, -1, EXV_PRINT_TAG(nikonShutterModes)),
         TagInfo(0x0037, "MechanicalShutterCount", N_("Mechanical Shutter Count"), N_("Mechanical shutter count"), nikon3Id, makerTags, unsignedLong, -1, printValue),
         TagInfo(0x0080, "ImageAdjustment", N_("Image Adjustment"), N_("Image adjustment setting"), nikon3Id, makerTags, asciiString, -1, printValue),
         TagInfo(0x0081, "ToneComp", N_("Tone Compensation"), N_("Tone compensation"), nikon3Id, makerTags, asciiString, -1, printValue),
@@ -1531,30 +1541,6 @@ namespace Exiv2 {
         return os;
     }
 
-    // shutter mode value conversions, taken from exiftool
-    std::ostream& Nikon3MakerNote::print0x0034(std::ostream& os,
-                                               const Value& value,
-                                               const ExifData*)
-    {
-        long focus = value.toLong();
-        switch (focus) {
-          case 0: os << "Mechanical";
-            break;
-          case 16: os << "Electronic";
-            break;
-          case 48: os << "Electronic Front Curtain";
-            break;
-          case 64: os << "Electronic (Movie)";
-            break;
-          case 80: os << "Auto (Mechanical)";
-            break;
-          case 81: os << "Auto (Electronic Front Curtain)";
-            break;
-          default: os << "Unknown Shutter Mode";
-        }
-        return os;
-    }
-
     std::ostream& Nikon3MakerNote::print0x0083(std::ostream& os,
                                                const Value& value,
                                                const ExifData*)

src/nikonmn_int.hpp

@@ -176,8 +176,6 @@ namespace Exiv2 {
         static std::ostream& print0x0002(std::ostream& os, const Value& value, const ExifData*);
         //! Print autofocus mode
         static std::ostream& print0x0007(std::ostream& os, const Value& value, const ExifData*);
-        //! Print shutter mode
-        static std::ostream& print0x0034(std::ostream& os, const Value& value, const ExifData*);
         //! Print lens type
         static std::ostream& print0x0083(std::ostream& os, const Value& value, const ExifData*);
         //! Print lens information