Initial commit of Ticket Parsing headers.

2014-03-27 20:08:56 -06:00
parent a5d2ab089b
commit d751e333dd
2 changed files with 372 additions and 0 deletions
@@ -0,0 +1,133 @@
+/*
+ * ======================================================
+ * OpenCoordinator
+ * Copyright (C) 2011 The OpenCoordinator Team.
+ * All rights reserved.
+ * ======================================================
+ *
+ * This software is provided 'as-is', without any express or implied warranty.
+ * In no event will the authors be held liable for any damages arising from 
+ * the use of this software.
+ * 
+ * Permission is granted to anyone to use this software for any purpose, 
+ * including commercial applications, and to alter it and redistribute it 
+ * freely, subject to the following restrictions:
+ *
+ * 1. The origin of this software must not be misrepresented; you must not 
+ * claim that you wrote the original software. If you use this software in a 
+ * product, an acknowledgment in the product documentation would be 
+ * appreciated but is not required.
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ * 3. This notice may not be removed or altered from any source distribution.
+ */
+ 
+/* Modified for SteamWorks, taken from SteamTools. */
+
+#pragma once
+
+class CBlob
+{
+public:
+	CBlob(const void *pMessage, size_t iSize)
+		: m_pMessage(pMessage)
+		, m_iSize(iSize)
+		, m_iCurrentOffset(0)
+	{};
+
+private:
+	const void *m_pMessage;
+	size_t m_iSize;
+	size_t m_iCurrentOffset;
+
+public:
+	inline size_t GetPosition()
+	{
+		return m_iCurrentOffset;
+	}
+
+	inline size_t AdvancePosition(size_t iAdditionalOffset)
+	{
+		m_iCurrentOffset += iAdditionalOffset;
+		return m_iCurrentOffset;
+	}
+
+	inline size_t RewindPosition(size_t iAdditionalNegativeOffset)
+	{
+		m_iCurrentOffset -= iAdditionalNegativeOffset;
+		return m_iCurrentOffset;
+	}
+	
+	inline void SetPosition(size_t iNewOffset)
+	{
+		m_iCurrentOffset = iNewOffset;
+	}
+
+	inline void ResetPosition()
+	{
+		m_iCurrentOffset = 0;
+	}
+	
+	inline bool CanStillRead(void)
+	{
+		return (m_iCurrentOffset >= m_iSize);
+	}
+
+public:
+	template <class T>
+	inline T Read(bool *bError = NULL)
+	{
+		if ((m_iCurrentOffset + sizeof(T)) > m_iSize)
+		{
+			if (bError)
+				*bError = true;
+			return (T)0;
+		}
+
+		T tempBuffer = *((T *)((intptr_t)m_pMessage + m_iCurrentOffset));
+		m_iCurrentOffset += sizeof(T);
+
+		if (bError)
+			*bError = false;
+
+		return tempBuffer;
+	}
+
+	template <class T>
+	inline bool Read(T *pOut)
+	{
+		if ((m_iCurrentOffset + sizeof(T)) > m_iSize)
+			return false;
+
+		T *pTempBuffer = (T *)((intptr_t)m_pMessage + m_iCurrentOffset);
+		m_iCurrentOffset += sizeof(T);
+		memcpy(pOut, pTempBuffer, sizeof(T));
+
+		return true;
+	}
+	
+	template <class T>
+	inline bool Read(T &Out)
+	{
+		if ((m_iCurrentOffset + sizeof(T)) > m_iSize)
+			return false;
+
+		T *pTempBuffer = (T *)((intptr_t)m_pMessage + m_iCurrentOffset);
+		m_iCurrentOffset += sizeof(T);
+		Out = *pTempBuffer;
+
+		return true;
+	}
+
+	inline bool Read(void *pOut, size_t iLength)
+	{
+		if ((m_iCurrentOffset + iLength) > m_iSize)
+			return false;
+
+		void *pTempBuffer = (void *)((intptr_t)m_pMessage + m_iCurrentOffset);
+		m_iCurrentOffset += iLength;
+		memcpy(pOut, pTempBuffer, iLength);
+
+		return true;
+	}
+};