Alpha status TIFF test app, not yet added to Makefile

src/tiffparse.cpp

@@ -0,0 +1,67 @@
+// ***************************************************************** -*- C++ -*-
+// tiffparse.cpp, $Rev$
+// Print the structure of a TIFF file
+
+#include "tiffparser.hpp"
+#include "tiffimage.hpp"
+#include "futils.hpp"
+
+#include <iostream>
+
+using namespace Exiv2;
+
+int main(int argc, char* const argv[])
+try {
+    if (argc != 2) {
+        std::cout << "Usage: " << argv[0] << " file\n";
+        std::cout << "Print the structure of a TIFF file\n";
+        return 1;
+    }
+
+    FileIo io(argv[1]);
+    if(io.open() != 0) {
+        throw Error(9, io.path(), strError());
+    }
+    IoCloser closer(io);
+
+    // Ensure that this is the correct image type
+    if (!isTiffType(io, false)) {
+        if (io.error() || io.eof()) throw Error(14);
+        throw Error(3, "TIFF");
+    }
+
+    // Read the image into a memory buffer
+    long len = io.size();
+    DataBuf buf(len);
+    io.read(buf.pData_, len);
+    if (io.error() || io.eof()) throw Error(14);
+
+    const TiffStructure tiffStructure[] = {
+        { Tag::root, Group::none, newTiffDirectory, Group::ifd0 },
+        {    0x8769, Group::ifd0, newTiffSubIfd,    Group::exif },
+        {    0x8825, Group::ifd0, newTiffSubIfd,    Group::gps  },
+        {    0xa005, Group::exif, newTiffSubIfd,    Group::iop  },
+        { Tag::next, Group::ifd0, newTiffDirectory, Group::ifd0 },
+        // End of list marker
+        { Tag::none, Group::none, 0, Group::none }
+    };
+
+    TiffHeade2 tiffHeader;
+    if (!tiffHeader.read(buf.pData_, buf.size_)) throw Error(3, "TIFF");
+
+    TiffComponent::AutoPtr rootDir 
+        = TiffParser::create(Tag::root, Group::none, tiffStructure);
+    if (0 == rootDir.get()) {
+        throw Error(1, "No root element defined in TIFF structure");
+    }
+    rootDir->read(buf.pData_, buf.size_, tiffHeader.offset(), tiffHeader.byteOrder());
+
+    tiffHeader.print(std::cerr);
+    rootDir->print(std::cerr, tiffHeader.byteOrder());
+
+    return 0;
+}
+catch (AnyError& e) {
+    std::cerr << e << "\n";
+    return -1;
+}