snapcast/server/pcmreader/readerUri.cpp
2016-01-25 23:09:32 +01:00

96 lines
2.5 KiB
C++

/***
This file is part of snapcast
Copyright (C) 2014-2016 Johannes Pohl
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
***/
#include <common/utils.h>
#include <common/compat.h>
#include <common/log.h>
#include "readerUri.h"
using namespace std;
ReaderUri::ReaderUri(const std::string& uri)
{
// https://en.wikipedia.org/wiki/Uniform_Resource_Identifier
// scheme:[//[user:password@]host[:port]][/]path[?query][#fragment]
// would be more elegant with regex. Not yet supported on my dev machine's gcc 4.8 :(
size_t pos;
this->uri = uri;
string tmp(uri);
pos = tmp.find(':');
if (pos == string::npos)
throw invalid_argument("missing ':'");
scheme = tmp.substr(0, pos);
tmp = tmp.substr(pos + 1);
logE << "scheme: '" << scheme << "' tmp: '" << tmp << "'\n";
if (tmp.find("//") != 0)
throw invalid_argument("missing host separator: '//'");
tmp = tmp.substr(2);
pos = tmp.find('/');
if (pos == string::npos)
throw invalid_argument("missing path separator: '/'");
host = tmp.substr(0, pos);
tmp = tmp.substr(pos);
path = tmp;
logE << "host: '" << host << "' tmp: '" << tmp << "' path: '" << path << "'\n";
pos = tmp.find('?');
if (pos == string::npos)
return;
path = tmp.substr(0, pos);
tmp = tmp.substr(pos + 1);
string queryStr = tmp;
logE << "path: '" << path << "' tmp: '" << tmp << "' query: '" << queryStr << "'\n";
pos = tmp.find('#');
if (pos != string::npos)
{
queryStr = tmp.substr(0, pos);
tmp = tmp.substr(pos + 1);
fragment = tmp;
logE << "query: '" << queryStr << "' fragment: '" << fragment << "' tmp: '" << tmp << "'\n";
}
vector<string> keyValueList = split(queryStr, '&');
for (auto& kv: keyValueList)
{
pos = kv.find('=');
if (pos != string::npos)
query[kv.substr(0, pos)] = kv.substr(pos+1);
}
}
json ReaderUri::toJson() const
{
json j;
j["uri"] = uri;
j["scheme"] = scheme;
j["host"] = host;
j["path"] = path;
j["fragment"] = fragment;
j["query"] = json(query);
return j;
}