--- trunk/src/utils/StringUtils.cpp	2005/05/27 04:41:34	544
+++ trunk/src/utils/StringUtils.cpp	2008/10/16 18:17:41	1305
@@ -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 {
@@ -90,7 +91,7 @@ namespace oopse {
     return (str);
   }
 
-  int findBegin(std::istream &theStream, char* startText ){
+  int findBegin(std::istream &theStream, const char* startText ){
     const int MAXLEN = 1024;
     char readLine[MAXLEN];   
     int foundText = 0;
@@ -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();
+}
+
+}