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-rw-r--r--src/lib/upnp/Util.cxx138
1 files changed, 138 insertions, 0 deletions
diff --git a/src/lib/upnp/Util.cxx b/src/lib/upnp/Util.cxx
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+++ b/src/lib/upnp/Util.cxx
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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 <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());
+}
+
+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> &);