From 3475b398fc925cd7d144a2a36f8ec1737a510915 Mon Sep 17 00:00:00 2001
From: JustinAJ <justin.aj@hotmail.com>
Date: Tue, 27 May 2014 15:19:20 -0400
Subject: [PATCH] Moved string shifting to its own class.

---
 Jupiter/Shift_String.h     | 64 ++++++++++++++++++++++++++++++++++++++
 Jupiter/Shift_String_Imp.h | 44 ++++++++++++++++++++++++++
 2 files changed, 108 insertions(+)
 create mode 100644 Jupiter/Shift_String.h
 create mode 100644 Jupiter/Shift_String_Imp.h

diff --git a/Jupiter/Shift_String.h b/Jupiter/Shift_String.h
new file mode 100644
index 0000000..5f28bd7
--- /dev/null
+++ b/Jupiter/Shift_String.h
@@ -0,0 +1,64 @@
+/**
+ * Copyright (C) 2014 Justin James.
+ *
+ * This license must be preserved.
+ * Any applications, libraries, or code which make any use of any
+ * component of this program must not be commercial, unless explicit
+ * permission is granted from the original author. The use of this
+ * program for non-profit purposes is permitted.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * In the event that this license restricts you from making desired use of this program, contact the original author.
+ * Written by Justin James <justin.aj@hotmail.com>
+ */
+
+#if !defined _SHIFT_STRING_H_HEADER
+#define _SHIFT_STRING_H_HEADER
+
+/**
+ * @file Shift_String.h
+ * @brief Allows for separation of a string's representation from its memory base.
+ */
+
+#include "String_Type.h"
+
+namespace Jupiter
+{
+
+	/**
+	* @brief Provides the basis for String classes by providing implementations for operators, comparative operations, and defining abstract functions.
+	* Note: This is an abstract type.
+	*
+	* @param T Element type which the String will store. Defaults to char.
+	*/
+	template<typename T = char> class Shift_String_Type : public Jupiter::String_Type<T>
+	{
+	public:
+
+		/**
+		* @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);
+
+	protected:
+		T *base; /** Base pointer for the underlying String's memory allocation */
+	};
+}
+
+#include "Shift_String_Imp.h"
+
+#endif // _SHIFT_STRING_H_HEADER
\ No newline at end of file
diff --git a/Jupiter/Shift_String_Imp.h b/Jupiter/Shift_String_Imp.h
new file mode 100644
index 0000000..c01151e
--- /dev/null
+++ b/Jupiter/Shift_String_Imp.h
@@ -0,0 +1,44 @@
+/**
+ * Copyright (C) 2014 Justin James.
+ *
+ * This license must be preserved.
+ * Any applications, libraries, or code which make any use of any
+ * component of this program must not be commercial, unless explicit
+ * permission is granted from the original author. The use of this
+ * program for non-profit purposes is permitted.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * In the event that this license restricts you from making desired use of this program, contact the original author.
+ * Written by Justin James <justin.aj@hotmail.com>
+ */
+
+#if !defined _SHIFT_STRING_IMP_H_HEADER
+#define _SHIFT_STRING_IMP_H_HEADER
+
+/**
+ * @file Shift_String_Imp.h
+ * @brief Provides the implementations for Shift_String_Type functions.
+ * Note: Modification of this file is not supported in any way.
+ */
+
+template<typename T> size_t Jupiter::Shift_String_Type<T>::shiftLeft(size_t length)
+{
+	size_t offset = Jupiter::String_Type<T>::str - Jupiter::Shift_String_Type<T>::base;
+	if (length > offset) length = offset;
+	Jupiter::String_Type<T>::str -= length;
+	Jupiter::String_Type<T>::length += length;
+	return length;
+}
+
+template<typename T> size_t Jupiter::Shift_String_Type<T>::shiftRight(size_t length)
+{
+	if (length > Jupiter::String_Type<T>::length) length = Jupiter::String_Type<T>::length;
+	Jupiter::String_Type<T>::str += length;
+	Jupiter::String_Type<T>::length -= length;
+	return length;
+}
+
+#endif // _SHIFT_STRING_IMP_H_HEADER
\ No newline at end of file