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Diffstat (limited to 'src/lib/upnp/Util.cxx')
-rw-r--r-- | src/lib/upnp/Util.cxx | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/src/lib/upnp/Util.cxx b/src/lib/upnp/Util.cxx new file mode 100644 index 000000000..cf34a47d3 --- /dev/null +++ b/src/lib/upnp/Util.cxx @@ -0,0 +1,166 @@ +/* + * 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 <upnp/ixml.h> + +#include <assert.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) +{ + if (s2.front() == '/') { + /* absolute path: replace the whole URI path in s1 */ + + auto i = s1.find("://"); + if (i == s1.npos) + /* no scheme: override s1 completely */ + return s2; + + /* find the first slash after the host part */ + i = s1.find('/', i + 3); + if (i == s1.npos) + /* there's no URI path - simply append s2 */ + i = s1.length(); + + return s1.substr(0, i) + s2; + } + + std::string out(s1); + if (out.back() != '/') + out.push_back('/'); + + out += s2; + return out; +} + +static void +path_catslash(std::string &s) +{ + if (s.empty() || s.back() != '/') + s += '/'; +} + +std::string +path_getfather(const std::string &s) +{ + std::string father = s; + + // ?? + if (father.empty()) + return "./"; + + if (father.back() == '/') { + // 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::list<std::string> +stringToTokens(const std::string &str, + const char *delims, bool skipinit) +{ + std::list<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.emplace_back(str, startPos); + break; + } else if (pos == startPos) { + // Dont' push empty tokens after first + if (tokens.empty()) + tokens.emplace_back(); + startPos = ++pos; + } else { + tokens.emplace_back(str, startPos, pos - startPos); + startPos = ++pos; + } + } + + return tokens; +} + +template <class T> +bool +csvToStrings(const char *s, T &tokens) +{ + assert(tokens.empty()); + + std::string current; + + while (true) { + char ch = *s++; + if (ch == 0) { + tokens.emplace_back(std::move(current)); + return true; + } + + if (ch == '\\') { + ch = *s++; + if (ch == 0) + return false; + } else if (ch == ',') { + tokens.emplace_back(std::move(current)); + current.clear(); + continue; + } + + current.push_back(ch); + } +} + +template bool csvToStrings<std::list<std::string>>(const char *, std::list<std::string> &); |