// *****************************************************************************
// Main
int main(int argc, char* const argv[])
{
try {
// Handle command line arguments
Params params;
if (params.getopt(argc, argv)) {
params.usage();
return 1;
}
if (params.help_) {
params.help();
return 2;
}
// Use MemIo to increase test coverage.
Exiv2::BasicIo::AutoPtr fileIo(new Exiv2::FileIo(params.read_));
Exiv2::BasicIo::AutoPtr memIo(new Exiv2::MemIo);
memIo->transfer(*fileIo);
Exiv2::Image::AutoPtr readImg = Exiv2::ImageFactory::open(memIo);
assert(readImg.get() != 0);
readImg->readMetadata();
Exiv2::Image::AutoPtr writeImg = Exiv2::ImageFactory::open(params.write_);
assert(writeImg.get() != 0);
if (params.preserve_) writeImg->readMetadata();
if (params.iptc_) {
writeImg->setIptcData(readImg->iptcData());
}
if (params.exif_) {
writeImg->setExifData(readImg->exifData());
}
if (params.comment_) {
writeImg->setComment(readImg->comment());
}
if (params.xmp_) {
writeImg->setXmpData(readImg->xmpData());
}
try {
writeImg->writeMetadata();
}
catch (const Exiv2::AnyError&) {
std::cerr << params.progname() <<
": Could not write metadata to (" << params.write_ << ")\n";
return 8;
}
return 0;
}
catch (Exiv2::AnyError& e) {
std::cerr << "Caught Exiv2 exception '" << e << "'\n";
return 10;
}
}
Image::AutoPtr ImageFactory::create(int type,
const std::string& path)
{
std::auto_ptr<FileIo> fileIo(new FileIo(path));
// Create or overwrite the file, then close it
if (fileIo->open("w+b") != 0) {
throw Error(10, path, "w+b", strError());
}
fileIo->close();
BasicIo::AutoPtr io(fileIo);
Image::AutoPtr image = create(type, io);
if (image.get() == 0) throw Error(13, type);
return image;
}
BasicIo::AutoPtr FileIo::temporary() const
{
BasicIo::AutoPtr basicIo;
struct stat buf;
int ret = stat(path_.c_str(), &buf);
// If file is > 1MB then use a file, otherwise use memory buffer
if (ret != 0 || buf.st_size > 1048576) {
pid_t pid = ::getpid();
std::string tmpname = path_ + toString(pid);
std::auto_ptr<FileIo> fileIo(new FileIo(tmpname));
if (fileIo->open("w+b") != 0) {
throw Error(10, path_, "w+b", strError());
}
basicIo = fileIo;
}
else {
basicIo.reset(new MemIo);
}
return basicIo;
}
int ImageFactory::getType(const std::string& path)
{
FileIo fileIo(path);
return getType(fileIo);
}
