최종완료보고 버전

2026-05-20 03:08:08 +09:00
commit 10d255ed51
548 changed files with 435582 additions and 0 deletions
@@ -0,0 +1,130 @@
+#ifndef STREAM_BUFFER__H_
+#define STREAM_BUFFER__H_
+
+#ifdef _WIN32
+#pragma once
+#endif
+
+
+class HStreamBuffer : public HObject
+{
+public:
+	HStreamBuffer(size_t nSize)
+	{
+		m_pBuffer = (char *)malloc(nSize);	//...??? 2048 : because of openssl buffer overflow?
+		m_nBufferSize = nSize;
+		
+		m_pBufferHead = m_pBuffer;
+		m_pBufferTail = m_pBuffer;
+		m_nStoredSize = 0;
+		m_nRemainSize = m_nBufferSize;
+	}
+
+	~HStreamBuffer()
+	{
+		free(m_pBuffer);
+	}
+
+	inline char * Head() { return m_pBufferHead; }
+	inline char * Tail() { return m_pBufferTail; }
+	inline size_t Size() { return m_nBufferSize; }
+	inline size_t StoredSize() { return m_nStoredSize; }
+	inline size_t RemainSize() { return m_nRemainSize; }
+	
+	inline bool MoveTail(size_t nSize)
+	{
+		if (nSize > m_nRemainSize)
+			return false;
+
+		m_pBufferTail += nSize;
+		m_nStoredSize += nSize;
+		m_nRemainSize -= nSize;
+
+		return true;
+	}
+
+	inline bool Pop(size_t nSize)
+	{
+		if (nSize > m_nStoredSize)
+			return false;
+
+		m_nStoredSize -= nSize;
+		
+		if (m_nStoredSize == 0)
+		{
+			m_pBufferHead = m_pBuffer;
+			m_pBufferTail = m_pBuffer;
+			m_nRemainSize = m_nBufferSize;
+		}
+		else
+		{
+			m_pBufferHead += nSize;
+		}
+
+		return true;
+	}
+
+	inline bool PopAndRewind(size_t nSize)
+	{
+		if (nSize > m_nStoredSize)
+			return false;
+
+		m_nStoredSize -= nSize;
+		memcpy(m_pBufferHead, m_pBufferHead + nSize, m_nStoredSize);
+		m_pBufferTail = m_pBufferHead + m_nStoredSize;
+		m_nRemainSize += nSize;
+
+		return true;
+	}
+
+	inline bool Store(const char * pData, size_t nSize)
+	{
+		if (nSize > m_nRemainSize)
+			return false;
+
+		memcpy(m_pBufferTail, pData, nSize);
+		m_pBufferTail += nSize;
+		m_nStoredSize += nSize;
+		m_nRemainSize -= nSize;
+
+		return true;
+	}
+
+	inline void Reset()
+	{
+		m_pBufferHead = m_pBuffer;
+		m_pBufferTail = m_pBuffer;
+		m_nStoredSize = 0;
+		m_nRemainSize = m_nBufferSize;
+	}
+
+	inline int MemCmp(const void * p, size_t n)
+	{
+		return memcmp(m_pBufferHead, p, n);
+	}
+
+	inline int Find(const char ch, size_t offset, size_t n = 0)
+	{
+		if (n == 0)
+			n = m_nStoredSize;
+
+		for (size_t i = offset; i < n; i++)
+		{
+			if (m_pBufferHead[i] == ch)
+				return (int)i;
+		}
+
+		return -1;
+	}
+
+protected:
+	char * m_pBuffer;
+	char * m_pBufferHead;
+	char * m_pBufferTail;
+
+	size_t m_nBufferSize;
+	size_t m_nStoredSize;
+	size_t m_nRemainSize;	
+};
+
+#endif	// STREAM_BUFFER__H_