From 952ac5c00a1f566cf2b7a5a1ce082827dc4c57fd Mon Sep 17 00:00:00 2001
From: JustinAJ <justin.aj@hotmail.com>
Date: Tue, 3 Jun 2014 22:08:00 -0400
Subject: [PATCH] Added shiftLeft() and shiftRight()

---
 Jupiter/Reference_String.h     | 16 ++++++++++++++++
 Jupiter/Reference_String_Imp.h | 17 +++++++++++++++++
 2 files changed, 33 insertions(+)

diff --git a/Jupiter/Reference_String.h b/Jupiter/Reference_String.h
index 9a1bd4e..ca5ad17 100644
--- a/Jupiter/Reference_String.h
+++ b/Jupiter/Reference_String.h
@@ -69,6 +69,22 @@ namespace Jupiter
 		*/
 		virtual size_t truncate(size_t n);
 
+		/**
+		* @brief Shifts the string pointer to the left.
+		*
+		* @param length Number of elements to shift
+		* @return Number of elements shifted to the left.
+		*/
+		size_t shiftLeft(size_t length);
+
+		/**
+		* @brief Shifts the string pointer to the right.
+		*
+		* @param length Number of elements to shift
+		* @return Number of elements shifted.
+		*/
+		size_t shiftRight(size_t length);
+
 		/**
 		* @brief Sets the reference to point to an input string.
 		*
diff --git a/Jupiter/Reference_String_Imp.h b/Jupiter/Reference_String_Imp.h
index df33adc..4e31f49 100644
--- a/Jupiter/Reference_String_Imp.h
+++ b/Jupiter/Reference_String_Imp.h
@@ -88,6 +88,23 @@ template<typename T> size_t Jupiter::Reference_String<T>::truncate(size_t n)
 	return (Jupiter::Reference_String<T>::length -= n);
 }
 
+// shift
+
+template<typename T> size_t Jupiter::Reference_String<T>::shiftLeft(size_t len)
+{
+	Jupiter::String_Type<T>::str -= len;
+	Jupiter::String_Type<T>::length += len;
+	return len;
+}
+
+template<typename T> size_t Jupiter::Reference_String<T>::shiftRight(size_t len)
+{
+	if (len > Jupiter::String_Type<T>::length) len = Jupiter::String_Type<T>::length;
+	Jupiter::String_Type<T>::str += len;
+	Jupiter::String_Type<T>::length -= len;
+	return len;
+}
+
 // set
 
 template<typename T> size_t Jupiter::Reference_String<T>::set(const Jupiter::Readable_String<T> &in)