// Extremely rudimentary URL parsing.
bool parse_url(const string &url, string *protocol, string *user, string *host, string *port, string *path)
{
+ // pipe:foo (or pipe:"foo").
+ if (url.find("pipe:") == 0) {
+ *protocol = "pipe";
+ *path = string(url.begin() + 5, url.end());
+ return true;
+ }
+
size_t split = url.find("://");
if (split == string::npos) {
return false;
*protocol = string(url.begin(), url.begin() + split);
string rest = string(url.begin() + split + 3, url.end());
- split = rest.find_first_of(":/");
- if (split == string::npos) {
+
+ // Split at the first slash, or the first colon that's not within [].
+ bool within_brackets = false;
+ for (split = 0; split < rest.size(); ++split) {
+ if (rest[split] == '[') {
+ if (within_brackets) {
+ // Can't nest brackets.
+ return false;
+ }
+ within_brackets = true;
+ } else if (rest[split] == ']') {
+ if (!within_brackets) {
+ // ] without matching [.
+ return false;
+ }
+ within_brackets = false;
+ } else if (rest[split] == '/') {
+ break;
+ } else if (rest[split] == ':' && !within_brackets) {
+ break;
+ }
+ }
+
+ if (split == rest.size()) {
// http://foo
split_user_host(rest, user, host);
*port = *protocol;
return true;
}
-Input *create_input(const std::string &url)
+Input *create_input(const string &url, Input::Encoding encoding)
{
string protocol, user, host, port, path;
if (!parse_url(url, &protocol, &user, &host, &port, &path)) {
- return NULL;
+ return nullptr;
}
- if (protocol == "http") {
- return new HTTPInput(url);
+ if (protocol == "http" || protocol == "pipe") {
+ return new HTTPInput(url, encoding);
}
if (protocol == "udp") {
+ assert(encoding == Input::INPUT_ENCODING_RAW);
return new UDPInput(url);
}
- return NULL;
+ return nullptr;
}
Input *create_input(const InputProto &serialized)
{
string protocol, user, host, port, path;
if (!parse_url(serialized.url(), &protocol, &user, &host, &port, &path)) {
- return NULL;
+ return nullptr;
}
- if (protocol == "http") {
+ if (protocol == "http" || protocol == "pipe") {
return new HTTPInput(serialized);
}
if (protocol == "udp") {
return new UDPInput(serialized);
}
- return NULL;
+ return nullptr;
}
Input::~Input() {}