Added split according to whitespace to StringRef

modules/base/src/string_ref.cc

@@ -113,6 +113,26 @@ std::vector<StringRef> StringRef::split(char p) const
   return result;
 }
 
+std::vector<StringRef> StringRef::split() const
+{
+  std::vector<StringRef> result;
+  const char* s=begin_;
+  const char* l=begin_;
+  while (s!=end_) {
+    if (isspace(*s)) {
+      if (l!=s) {
+        result.push_back(StringRef(l, s-l));
+      }
+      l=s+1;
+    }
+    ++s;
+  }
+  if (l!=s) {
+    result.push_back(StringRef(l, s-l));
+  }
+  return result;
+}
+
 std::string StringRef::str_no_whitespace() const
 {
   std::string whitespaceless_string;

modules/base/src/string_ref.hh

@@ -147,14 +147,16 @@ public:
 
   /// \brief split string into chunks delimited by \p p
   std::vector<StringRef> split(char p) const;
+
+  /// \brief split string into chunks delimited by whitespace
+  std::vector<StringRef> split() const;
   
   /// \brief returns a new string with all whitespace removed from 
   ///    this StringRef
   std::string str_no_whitespace() const;
 private:
   const char* begin_;
-  const char* end_;  
-  
+  const char* end_;    
 
 };
 //std::stringstream& operator<<(std::stringstream& stream, const StringRef& strref);