Move RawString.h into Common

Common/RawString.h

@@ -0,0 +1,92 @@
+/*
+  Copyright (C) 2011 Birunthan Mohanathas
+
+  This program is free software; you can redistribute it and/or
+  modify it under the terms of the GNU General Public License
+  as published by the Free Software Foundation; either version 2
+  of the License, or (at your option) any later version.
+
+  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.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+*/
+
+#ifndef RM_COMMON_RAWSTRING_H_
+#define RM_COMMON_RAWSTRING_H_
+
+#include <windows.h>
+
+class RawString
+{
+public:
+	RawString() :
+		m_String()
+	{
+	}
+
+	RawString(const WCHAR* str) :
+		m_String(str_alloc(str))
+	{
+	}
+
+	RawString(const RawString& rhs) :
+		m_String(str_alloc(rhs.c_str()))
+	{
+	}
+
+	~RawString()
+	{
+		clear();
+	}
+	
+	RawString& operator=(const WCHAR* rhs)
+	{
+		clear();
+		m_String = str_alloc(rhs);
+		return *this;
+	}
+
+	RawString& operator=(const RawString& rhs)
+	{
+		if (&rhs != this)
+		{
+			clear();
+			m_String = str_alloc(rhs.m_String);
+		}
+		return *this;
+	}
+
+	const WCHAR* c_str() const
+	{
+		return m_String ? m_String : L"";
+	}
+
+	bool empty() const
+	{
+		return !m_String || !(*m_String);
+	}
+
+	void clear()
+	{
+		if (m_String)
+		{
+			free(m_String);
+			m_String = nullptr;
+		}
+	}
+
+private:
+	WCHAR* str_alloc(const WCHAR* str)
+	{
+		return str ? _wcsdup(str) : nullptr;
+	}
+
+	WCHAR* m_String;
+};
+
+#endif