Nibbler

- Implemented Nibbler::getN, which allows for faster extraction of
  compound tokens if the length is known.

src/Nibbler.cpp

@@ -216,6 +216,19 @@ bool Nibbler::getUntilEOS (std::string& result)
   return false;
 }
 
+////////////////////////////////////////////////////////////////////////////////
+bool Nibbler::getN (const int quantity, std::string& result)
+{
+  if (mCursor + quantity < mLength)
+  {
+    result = mInput.substr (mCursor, quantity);
+    mCursor += quantity;
+    return true;
+  }
+
+  return false;
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 bool Nibbler::getQuoted (
   char c,

src/Nibbler.h

@@ -53,6 +53,7 @@ public:
   bool getAllOneOf (const std::string&, std::string&);
 */
 
+  bool getN (const int, std::string&);
   bool getQuoted (char, std::string&, bool quote = false);
   bool getDigit (int&);
   bool getInt (int&);