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/*
* Path.cpp
*****************************************************************************
* Copyright (C) 2012, bitmovin Softwareentwicklung OG, All Rights Reserved
*
* Email: libdash-dev@vicky.bitmovin.net
*
* This source code and its use and distribution, is subject to the terms
* and conditions of the applicable license agreement.
*****************************************************************************/
#include "Path.h"
using namespace dash::helpers;
std::string Path::CombinePaths (const std::string &path1, const std::string &path2)
{
if(path1 == "")
return path2;
if(path2 == "")
return path1;
char path1Last = path1.at(path1.size() - 1);
char path2First = path2.at(0);
if(path1Last == '/' && path2First == '/')
return path1 + path2.substr(1, path2.size());
if(path1Last != '/' && path2First != '/')
return path1 + "/" + path2;
return path1 + path2;
}
std::string Path::GetDirectoryPath (const std::string &path)
{
int pos = path.find_last_of('/');
return path.substr(0, pos);
}
std::vector<std::string> Path::Split (const std::string &s, char delim)
{
std::stringstream ss(s);
std::string item;
std::vector<std::string> ret;
while(std::getline(ss, item, delim))
ret.push_back(item);
return ret;
}
bool Path::GetHostPortAndPath (const std::string &url, std::string &host, size_t &port, std::string& path)
{
std::string hostPort = "";
size_t found = 0;
size_t pathBegin = 0;
if (url.substr(0,7) == "http://" || url.substr(0,8) == "https://")
{
found = url.find("//");
pathBegin = url.find('/', found+2);
path = url.substr(pathBegin, std::string::npos);
hostPort = url.substr(found+2, pathBegin - (found+2));
found = hostPort.find(':');
if (found != std::string::npos)
{
port = strtoul(hostPort.substr(found+1, std::string::npos).c_str(), NULL, 10);
}
host = hostPort.substr(0, found);
return (host.size() > 0) && (path.size() > 0);
}
else if(url.substr(0,5) == "ndn:/")
{
found = url.find("/");
pathBegin = url.find('/', found+1);
path = url.substr(pathBegin, std::string::npos);
hostPort = url.substr(found+1, pathBegin - (found+1));
found = hostPort.find(':');
if (found != std::string::npos)
{
port = strtoul(hostPort.substr(found+1, std::string::npos).c_str(), NULL, 10);
}
host = hostPort.substr(0, found);
return (host.size() > 0) && (path.size() > 0);
}
else if(url.substr(0,6) == "ccnx:/")
{
found = url.find("/");
pathBegin = url.find('/', found+1);
path = url.substr(pathBegin, std::string::npos);
hostPort = url.substr(found+1, pathBegin - (found+1));
found = hostPort.find(':');
if (found != std::string::npos)
{
port = strtoul(hostPort.substr(found+1, std::string::npos).c_str(), NULL, 10);
}
host = hostPort.substr(0, found);
return (host.size() > 0) && (path.size() > 0);
}
return false;
}
bool Path::GetStartAndEndBytes (const std::string &byteRange, size_t &startByte, size_t &endByte)
{
size_t found = 0;
found = byteRange.find('-');
if (found != std::string::npos && found < byteRange.size()-1 )
{
startByte = strtoul(byteRange.substr(0, found).c_str(), NULL, 10);
endByte = strtoul(byteRange.substr(found+1, std::string::npos).c_str(), NULL, 10);
return (startByte <= endByte);
}
return false;
}
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