--- trunk/src/utils/StringUtils.cpp	2005/03/08 21:07:34	406
+++ trunk/src/utils/StringUtils.cpp	2006/08/30 18:42:29	1024
@@ -38,7 +38,8 @@
  * University of Notre Dame has been advised of the possibility of
  * such damages.
  */
- 
+
+#include <algorithm> 
 #include "utils/StringUtils.hpp"
 
 namespace oopse {
@@ -178,7 +179,7 @@ namespace oopse {
     return 0;
   }
   
-  std::string OOPSE_itoa(int value, unsigned int base = 10) {    
+  std::string OOPSE_itoa(int value, unsigned int base) {    
     const char digitMap[] = "0123456789abcdef";	
     std::string buf;
 
@@ -217,4 +218,32 @@ namespace oopse {
     return str.substr(0, str.find('.'));
   }
 
+bool isInteger(const std::string& str) {
+
+    bool result = false;
+
+    std::string::const_iterator i = str.begin();    
+    if (i != str.end() && (*i == '+' || *i == '-' || std::isdigit(*i) )) {
+        ++i;        
+        while (i != str.end() && std::isdigit(*i))
+            ++i;
+        if (i == str.end())
+            result = true;
+    }
+    
+    return result;
 }
+
+bool CaseInsensitiveEquals(const char ch1, const char ch2) {
+  return std::toupper((unsigned char)ch1) == std::toupper((unsigned char)ch2);
+}
+
+size_t CaseInsensitiveFind(const std::string& str1, const std::string& str2) {
+  std::string::const_iterator pos = std::search(str1.begin(), str1.end(), str2.begin(), str2.end(), CaseInsensitiveEquals);
+  if (pos == str1.end())
+    return std::string::npos;
+  else
+    return pos - str1.begin();
+}
+
+}