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/*
* Copyright (C) 2003-2014 The Music Player Daemon Project
* http://www.musicpd.org
*
* 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 2 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, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "Util.hxx"
#include <string>
#include <map>
#include <vector>
#include <set>
#include <upnp/ixml.h>
/** Get rid of white space at both ends */
void
trimstring(std::string &s, const char *ws)
{
auto pos = s.find_first_not_of(ws);
if (pos == std::string::npos) {
s.clear();
return;
}
s.replace(0, pos, std::string());
pos = s.find_last_not_of(ws);
if (pos != std::string::npos && pos != s.length()-1)
s.replace(pos + 1, std::string::npos, std::string());
}
std::string
caturl(const std::string &s1, const std::string &s2)
{
std::string out(s1);
if (out[out.size()-1] == '/') {
if (s2[0] == '/')
out.erase(out.size()-1);
} else {
if (s2[0] != '/')
out.push_back('/');
}
out += s2;
return out;
}
static void
path_catslash(std::string &s)
{
if (s.empty() || s[s.length() - 1] != '/')
s += '/';
}
std::string
path_getfather(const std::string &s)
{
std::string father = s;
// ??
if (father.empty())
return "./";
if (father[father.length() - 1] == '/') {
// Input ends with /. Strip it, handle special case for root
if (father.length() == 1)
return father;
father.erase(father.length()-1);
}
auto slp = father.rfind('/');
if (slp == std::string::npos)
return "./";
father.erase(slp);
path_catslash(father);
return father;
}
std::vector<std::string>
stringToTokens(const std::string &str,
const char *delims, bool skipinit)
{
std::vector<std::string> tokens;
std::string::size_type startPos = 0;
// Skip initial delims, return empty if this eats all.
if (skipinit &&
(startPos = str.find_first_not_of(delims, 0)) == std::string::npos)
return tokens;
while (startPos < str.size()) {
// Find next delimiter or end of string (end of token)
auto pos = str.find_first_of(delims, startPos);
// Add token to the vector and adjust start
if (pos == std::string::npos) {
tokens.push_back(str.substr(startPos));
break;
} else if (pos == startPos) {
// Dont' push empty tokens after first
if (tokens.empty())
tokens.push_back(std::string());
startPos = ++pos;
} else {
tokens.push_back(str.substr(startPos, pos - startPos));
startPos = ++pos;
}
}
return tokens;
}
template <class T>
bool
csvToStrings(const std::string &s, T &tokens)
{
std::string current;
tokens.clear();
enum states {TOKEN, ESCAPE};
states state = TOKEN;
for (unsigned int i = 0; i < s.length(); i++) {
switch (s[i]) {
case ',':
switch(state) {
case TOKEN:
tokens.insert(tokens.end(), current);
current.clear();
continue;
case ESCAPE:
current += ',';
state = TOKEN;
continue;
}
break;
case '\\':
switch(state) {
case TOKEN:
state=ESCAPE;
continue;
case ESCAPE:
current += '\\';
state = TOKEN;
continue;
}
break;
default:
switch(state) {
case ESCAPE:
state = TOKEN;
break;
case TOKEN:
break;
}
current += s[i];
}
}
switch(state) {
case TOKEN:
tokens.insert(tokens.end(), current);
break;
case ESCAPE:
return false;
}
return true;
}
//template bool csvToStrings<list<string> >(const string &, list<string> &);
template bool csvToStrings<std::vector<std::string> >(const std::string &, std::vector<std::string> &);
template bool csvToStrings<std::set<std::string> >(const std::string &, std::set<std::string> &);
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