Add strutils::starts_with and strutils::ends_with

diff --git a/simgear/misc/strutils.cxx b/simgear/misc/strutils.cxx
index cc56aa410bdc8345f93b43b8f73e1faa223a7bc1..a81adc5c22f5331cc7a0bfc9752ab9eeb0b3f275 100644 (file)
--- a/simgear/misc/strutils.cxx
+++ b/simgear/misc/strutils.cxx
@@ -200,5 +200,18 @@ namespace simgear {
            return reply.insert( 0, length-l, c );
        }
 
+       bool
+       starts_with( const string & s, const string & substr )
+       {       
+               return s.find( substr ) == 0;
+       }
+
+       bool
+       ends_with( const string & s, const string & substr )
+       {       
+               size_t n = s.rfind( substr );
+               return (n != string::npos) && (n == s.length() - substr.length());
+       }
+
     } // end namespace strutils
 } // end namespace simgear

diff --git a/simgear/misc/strutils.hxx b/simgear/misc/strutils.hxx
index ea44d654ad0c0ba68957103a33e8223ef24b7220..935e3d4a1b37646a3bbba58d730b9985bd128ce1 100644 (file)
--- a/simgear/misc/strutils.hxx
+++ b/simgear/misc/strutils.hxx
@@ -97,6 +97,24 @@ namespace simgear {
        split( const std::string& s,
               const char* sep = 0,
               int maxsplit = 0 );
+
+       /**
+        * Test if a string starts with a string 
+        *
+        * @param s The string to be tested
+        * @param substr The string to test
+        * @return True, if s starts with substr, False otherwise
+        */
+       bool starts_with( const std::string & s, const std::string & substr );
+
+       /**
+        * Test if a string ends with a string 
+        *
+        * @param s The string to be tested
+        * @param substr The string to test
+        * @return True, if s ends with substr, False otherwise
+        */
+       bool ends_with( const std::string & s, const std::string & substr );
   
   } // end namespace strutils
 } // end namespace simgear