More print functions added (intermediate version, by webustany for GHOP 98).

src/properties.cpp

@@ -813,7 +813,19 @@ namespace Exiv2 {
         {"Xmp.exif.GPSStatus",                          EXV_PRINT_TAG(xmpExifGPSStatus)},
         {"Xmp.exif.GPSTrackRef",                        EXV_PRINT_TAG(xmpExifGPSDirection)},
         {"Xmp.tiff.XResolution",                        printLong},
-        {"Xmp.tiff.YResolution",                        printLong}
+        {"Xmp.tiff.YResolution",                        printLong},
+        {"Xmp.exif.DateTimeOriginal",                   printDate},
+        {"Xmp.exif.GPSTimeStamp",                       printDate},
+        {"Xmp.exif.CreateDate",                         printDate},
+        {"Xmp.exif.ModifyDate",                         printDate},
+        {"Xmp.exif.ApertureValue",                      print0x9202},
+        {"Xmp.exif.FNumber",                            print0x9202},
+        {"Xmp.exif.BrightnessValue",                    printLong},
+        {"Xmp.exif.ExposureBiasValue",                  printLong},
+        {"Xmp.exif.FocalLength",                        print0x920a},
+        {"Xmp.exif.FocalPlaneXResolution",              printFloat},
+        {"Xmp.exif.FocalPlaneYResolution",              printFloat},
+        {"Xmp.exif.ShutterSpeedValue",                  print0x9201}
     };
 
     XmpNsInfo::Ns::Ns(const std::string& ns)

src/tags.cpp

@@ -2037,6 +2037,24 @@ namespace Exiv2 {
         return os;
     }
 
+    std::ostream& printDate(std::ostream& os, const Value& value)
+    {
+        if (value.size() != 20 || value.typeId() != xmpText) {
+            return os << "(" << value << ")";
+        }
+        
+        std::string stringValue = value.toString();
+        if (stringValue[19] == 'Z') {
+            stringValue = stringValue.substr(0, 19);
+        }
+        for (unsigned int i = 0; i < stringValue.length(); ++i) {
+            if (stringValue[i] == 'T') stringValue[i] = ' ';
+            if (stringValue[i] == '-') stringValue[i] = ':';
+        }
+
+        return os << stringValue;
+    }
+
     float fnumber(float apertureValue)
     {
         return static_cast<float>(std::exp(std::log(2.0) * apertureValue / 2));

src/tags.hpp

@@ -479,6 +479,8 @@ namespace Exiv2 {
     std::ostream& print0xa405(std::ostream& os, const Value& value);
     //! Print any version packed in 4 Bytes format : major major minor minor
     std::ostream& printVersion(std::ostream& os, const Value& value);
+    //! Print a date following the format YYYY-MM-DDTHH:MM:SSZ
+    std::ostream& printDate(std::ostream& os, const Value& value);
     //@}
 
     //! Calculate F number from an APEX aperture value

src/xmp.cpp

@@ -667,6 +667,7 @@ namespace Exiv2 {
 
     // *************************************************************************
     // free functions
+
     std::ostream& operator<<(std::ostream& os, const Xmpdatum& md)
     {
         return XmpProperties::printProperty(os, md.key(), md.value());