taglib-sharp initial import (r553)

taglib-sharp/examples/extractKey.cpp

@@ -0,0 +1,41 @@
+#include <exiv2/image.hpp>
+#include <exiv2/exif.hpp>
+#include <iostream>
+#include <iomanip>
+#include <cassert>
+
+int main(int argc, char* const argv[])
+
+try {
+    if (argc != 3) {
+        std::cout << "Usage: " << argv[0] << " file key\n";
+        return 1;
+    }
+
+    Exiv2::Image::AutoPtr image = Exiv2::ImageFactory::open(argv[1]);
+    assert(image.get() != 0);
+    image->readMetadata();
+
+	try {
+		Exiv2::ExifData &exifData = image->exifData();
+		const Exiv2::Value &value = exifData[argv[2]].value();
+		std::cout << value;
+	} catch (Exiv2::AnyError &e) {}
+
+	try {
+		Exiv2::IptcData &iptcData = image->iptcData();
+		const Exiv2::Value &value = iptcData[argv[2]].value();
+		std::cout << value;
+	} catch (Exiv2::AnyError &e) {}
+
+	try {
+		Exiv2::XmpData &xmpData = image->xmpData();
+		const Exiv2::Value &value = xmpData[argv[2]].value();
+		std::cout << value;
+	} catch (Exiv2::AnyError &e) {}
+
+    return 0;
+} catch (Exiv2::AnyError& e) {
+    std::cout << "Caught Exiv2 exception '" << e << "'\n";
+    return -1;
+}