Introduced a toLower method and grouped string utils

The string utility methods are now grouped together in the stringutils.h
header. Also, a toLower method was added for convenience.

1 files changed, 69 insertions, 0 deletions

diff --git a/src/utils/stringutils.h b/src/utils/stringutils.h
new file mode 100644
index 00000000..7d8df748
--- /dev/null
+++ b/src/utils/stringutils.h
@@ -0,0 +1,69 @@
+/*
+ *  Aethyra
+ *  Copyright (C) 2007  The Mana World Development Team
+ *
+ *  This file is part of Aethyra based on original code
+ *  from The Mana World.
+ *
+ *  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
+ *  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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#ifndef UTILS_STRINGUTILS_H
+#define UTILS_STRINGUTILS_H
+
+#include <string>
+#include <sstream>
+
+/**
+ * Trims spaces off the end and the beginning of the given string.
+ *
+ * @param str the string to trim spaces off
+ * @return a reference to the trimmed string
+ */
+std::string &trim(std::string &str);
+
+/**
+ * Converts the given string to lower case.
+ *
+ * @param str the string to convert to lower case
+ * @return a reference to the given string converted to lower case
+ */
+std::string &toLower(std::string &str);
+
+/**
+ * Converts the given value to a string using std::stringstream.
+ *
+ * @param arg the value to convert to a string
+ * @return the string representation of arg
+ */
+template<typename T> std::string toString(const T &arg)
+{
+    std::stringstream ss;
+    ss << arg;
+    return ss.str();
+}
+
+/**
+ * Converts the given IP address to a string.
+ *
+ * The returned string is statically allocated, and shouldn't be freed. It is
+ * changed upon the next use of this method.
+ *
+ * @param address the address to convert to a string
+ * @return the string representation of the address
+ */
+const char *ipToString(int address);
+
+#endif // UTILS_STRINGUTILS_H