Text Handling

- Implemented longestWord, a UTF8-aware helper for word-wrapping.

src/text.cpp

@@ -215,6 +215,30 @@ std::string unquoteText (const std::string& input)
   return output;
 }
 
+////////////////////////////////////////////////////////////////////////////////
+int longestWord (const std::string& input)
+{
+  int longest = 0;
+  int length = 0;
+  std::string::size_type i;
+  int character;
+
+  while (character = utf8_next_char (input, i))
+  {
+    if (character == ' ')
+    {
+      if (length > longest)
+        longest = length;
+
+      length = 0;
+    }
+    else
+      ++length;
+  }
+
+  return longest;
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 void extractLine (std::string& text, std::string& line, int length)
 {