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.

2 files changed, 91 insertions, 10 deletions

diff --git a/src/utils/trim.h b/src/utils/stringutils.cpp
index 0602842f..d414d665 100644
--- a/src/utils/trim.h
+++ b/src/utils/stringutils.cpp
@@ -20,17 +20,11 @@
  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
-#ifndef UTILS_TRIM_H
-#define UTILS_TRIM_H
+#include "stringutils.h"
 
-#include <string>
+#include <algorithm>
 
-/**
- * Trims spaces off the end and the beginning of the given string.
- *
- * @param str the string to trim spaces off
- */
-inline void trim(std::string &str)
+std::string &trim(std::string &str)
 {
     std::string::size_type pos = str.find_last_not_of(' ');
     if (pos != std::string::npos)
@@ -47,6 +41,24 @@ inline void trim(std::string &str)
         // There is nothing else but whitespace in the string
         str.clear();
     }
+    return str;
+}
+
+std::string &toLower(std::string &str)
+{
+    std::transform(str.begin(), str.end(), str.begin(), tolower);
+    return str;
 }
 
-#endif
+const char *ipToString(int address)
+{
+    static char asciiIP[16];
+
+    sprintf(asciiIP, "%i.%i.%i.%i",
+            (unsigned char)(address),
+            (unsigned char)(address >> 8),
+            (unsigned char)(address >> 16),
+            (unsigned char)(address >> 24));
+
+    return asciiIP;
+}
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