void load(const std::string& filename){
std::ios_base::openmode mode = std::ios::in;
std::ifstream ifs(filename.c_str(), mode);
if (ifs.fail()){
throw UnableToOpenFileException();
}
boost::archive::text_iarchive ia(ifs);
ia >> * dynamic_cast< std::map<std::string, std::string>* > (this);
}
/** Constructor.
* Independent of the FileOpenMethod files are created with
* permissions 660
* @param filename the filename
* @param method the method determines what is done if a file with the
* specified name already exists
*/
File::File(const char *filename, FileOpenMethod method)
{
fd = -1;
switch (method)
{
case OVERWRITE:
fd = open(filename, O_RDWR | O_CREAT | O_TRUNC, S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP);
fn = strdup(filename);
break;
case APPEND:
fd = open(filename, O_RDWR | O_CREAT | O_APPEND, S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP);
fn = strdup(filename);
break;
case ADD_SUFFIX:
{
char *filename_ext = strdup(filename);
int index = 0;
while (File::exists(filename_ext)) {
free(filename_ext);
if ( asprintf(&filename_ext, "%s.%d", filename, ++index) == -1 ) {
throw OutOfMemoryException("Could not allocate filename string");
}
}
fd = open(filename_ext, O_RDWR | O_CREAT | O_EXCL, S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP);
fn = filename_ext;
}
break;
default:
printf("%s [line %d]: Unkown method.\n", __FILE__, __LINE__);
}
if (-1 == fd)
{
throw UnableToOpenFileException(filename, errno);
}
fp = fdopen(fd, "r+");
}
void xncv::VideoSource::init(const std::string& file)
{
recorder = nullptr;
isFile = !file.empty();
if (context.Init() != XN_STATUS_OK) throw std::runtime_error("Unable to init context");
if (isFile)
{
if (context.OpenFileRecording(file.c_str(), player) != XN_STATUS_OK)
throw UnableToOpenFileException(file);
if (context.FindExistingNode(XN_NODE_TYPE_IMAGE, imgGen) != XN_STATUS_OK)
throw UnableToInitGenerator("Unable to init image generator.");
if (context.FindExistingNode(XN_NODE_TYPE_DEPTH, depthGen) != XN_STATUS_OK)
throw UnableToInitGenerator("Unable to depth generator.");
return;
}
if (imgGen.Create(context) != XN_STATUS_OK) throw UnableToInitGenerator("Unable to init image generator.");
if (depthGen.Create(context) != XN_STATUS_OK) throw UnableToInitGenerator("Unable to depth generator.");
}
