void Metalink3Reader::start_element(wxString name,
std::map<std::string, wxString> attrs)
{
if(!remove_namespace(name)) return;
switch(state_) {
case STATE_NONE:
if(name == wxT("metalink") && attrs["version"] == wxT("3.0")) {
recognized_ = true;
state_ = STATE_METALINK;
}
break;
case STATE_METALINK:
if(name == wxT("file")) {
if(attrs.count("name") != 1) {
throw MetalinkLoadError("Missing 'name' attribute on file "
"element.");
}
file_ = MetalinkFile(attrs["name"]);
state_ = STATE_FILE;
}
break;
case STATE_FILE:
if(name == wxT("resources")) {
state_ = STATE_RESOURCES;
}
break;
case STATE_RESOURCES:
if(name == wxT("url")) {
source_ = MetalinkSource();
if(attrs["type"] == wxT("bittorrent")) {
source_.set_torrent(true);
}
if(attrs.count("location") == 1) {
source_.set_location(attrs["location"]);
}
if(attrs.count("preference") == 1) {
source_.set_priority(attrs["preference"]);
}
state_ = STATE_URL;
}
break;
}
data_.clear();
}
void Metalink3Reader::start_element(wxString name,
std::map<std::string, wxString> attrs)
{
if(!remove_namespace(name)) return;
switch(state_) {
case STATE_NONE:
if(name == wxT("metalink") && attrs["version"] == wxT("3.0")) {
recognized_ = true;
state_ = STATE_METALINK;
}
break;
case STATE_METALINK:
if(name == wxT("file")) {
if(attrs.count("name") != 1) {
throw MetalinkLoadError("Missing 'name' attribute on file "
"element.");
}
file_ = MetalinkFile(attrs["name"]);
state_ = STATE_FILE;
}
break;
case STATE_FILE:
if(name == wxT("resources")) {
state_ = STATE_RESOURCES;
} else if(name == wxT("pieces")) {
if(attrs.count("length") != 1 || attrs.count("type") != 1) {
throw MetalinkLoadError("Missing attribute on pieces "
"element.");
}
file_.set_piece_hash_type(attrs["type"]);
file_.set_piece_length(attrs["length"]);
piece_hashes_.clear();
state_ = STATE_PIECES;
} else if(name == wxT("hash")) {
if(attrs.count("type") != 1) {
throw MetalinkLoadError("Missing 'type' attribute on "
"hash element");
}
hash_ = MetalinkHash(attrs["type"]);
}
break;
case STATE_RESOURCES:
if(name == wxT("url")) {
source_ = MetalinkSource();
if(attrs["type"] == wxT("bittorrent")) {
source_.set_torrent(true);
}
if(attrs.count("location") == 1) {
source_.set_location(attrs["location"]);
}
if(attrs.count("preference") == 1) {
source_.set_priority(attrs["preference"]);
}
state_ = STATE_URL;
}
break;
case STATE_PIECES:
if(name == wxT("hash")) {
if(attrs.count("piece") != 1) {
throw MetalinkLoadError("Missing 'piece' attribute on "
"hash element");
}
bool isnum = attrs["piece"].ToLong(&piece_);
if(!isnum || piece_ < 0 || piece_ > 5000) {
throw MetalinkLoadError("Invalid piece number");
}
}
break;
}
data_.clear();
}
