init repo

ActiveX/OfficeCore/Fonts/File.h

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+/*
+ * (c) Copyright Ascensio System SIA 2010-2014
+ *
+ * This program is a free software product. You can redistribute it and/or 
+ * modify it under the terms of the GNU Affero General Public License (AGPL) 
+ * version 3 as published by the Free Software Foundation. In accordance with 
+ * Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect 
+ * that Ascensio System SIA expressly excludes the warranty of non-infringement
+ * of any third-party rights.
+ *
+ * This program is distributed WITHOUT ANY WARRANTY; without even the implied 
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR  PURPOSE. For 
+ * details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
+ *
+ * You can contact Ascensio System SIA at Lubanas st. 125a-25, Riga, Latvia,
+ * EU, LV-1021.
+ *
+ * The  interactive user interfaces in modified source and object code versions
+ * of the Program must display Appropriate Legal Notices, as required under 
+ * Section 5 of the GNU AGPL version 3.
+ *
+ * Pursuant to Section 7(b) of the License you must retain the original Product
+ * logo when distributing the program. Pursuant to Section 7(e) we decline to
+ * grant you any rights under trademark law for use of our trademarks.
+ *
+ * All the Product's GUI elements, including illustrations and icon sets, as
+ * well as technical writing content are licensed under the terms of the
+ * Creative Commons Attribution-ShareAlike 4.0 International. See the License
+ * terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
+ *
+ */
+ #pragma once
+#include "windows.h"
+
+class CFile 
+{
+public:
+	CFile() 
+	{
+		m_hFileHandle = NULL;
+		m_lFileSize = 0;
+		m_lFilePosition = 0;
+	}
+
+	virtual ~CFile()
+	{
+		CloseFile();
+	}
+
+	virtual HRESULT OpenFile(CString FileName)
+	{	
+		CloseFile();
+
+		HRESULT hRes = S_OK;
+		DWORD AccessMode = GENERIC_READ;
+		DWORD ShareMode = FILE_SHARE_READ;
+		DWORD Disposition = OPEN_EXISTING;
+		m_hFileHandle = ::CreateFile(FileName, AccessMode, ShareMode, NULL, Disposition, FILE_ATTRIBUTE_NORMAL, NULL);
+
+		if (NULL == m_hFileHandle || INVALID_HANDLE_VALUE == m_hFileHandle)
+			hRes = S_FALSE;
+		else 
+		{
+			ULARGE_INTEGER nTempSize;
+			nTempSize.LowPart = ::GetFileSize(m_hFileHandle, &nTempSize.HighPart);
+			m_lFileSize = nTempSize.QuadPart;
+
+			SetPosition(0);
+		}
+
+		return hRes;
+	}
+
+	virtual HRESULT OpenFileRW(CString FileName)
+	{	
+		CloseFile();
+
+		HRESULT hRes = S_OK;
+		DWORD AccessMode = GENERIC_READ | GENERIC_WRITE;
+		DWORD ShareMode = FILE_SHARE_READ;
+		DWORD Disposition = OPEN_EXISTING;
+		m_hFileHandle = ::CreateFile(FileName, AccessMode, ShareMode, NULL, Disposition, 0, 0);
+
+		if (NULL == m_hFileHandle || INVALID_HANDLE_VALUE == m_hFileHandle)
+		{
+			hRes = S_FALSE;
+		}
+		else 
+		{
+			ULARGE_INTEGER nTempSize;
+			nTempSize.LowPart = ::GetFileSize(m_hFileHandle, &nTempSize.HighPart);
+			m_lFileSize = nTempSize.QuadPart;
+
+			SetPosition(0);
+		}
+
+		return hRes;
+	}
+
+	HRESULT ReadFile(BYTE* pData, DWORD nBytesToRead)
+	{
+		DWORD nBytesRead = 0;
+		if(NULL == pData)
+			return S_FALSE;
+
+		if(m_hFileHandle && (pData))
+		{	
+			SetPosition(m_lFilePosition);
+			::ReadFile(m_hFileHandle, pData, nBytesToRead, &nBytesRead, NULL);
+			m_lFilePosition += nBytesRead; 
+		}
+		return S_OK;
+	}
+
+	HRESULT ReadFile2(BYTE* pData, DWORD nBytesToRead)
+	{
+		DWORD nBytesRead = 0;
+		if(NULL == pData)
+			return S_FALSE;
+
+		if(m_hFileHandle && (pData))
+		{	
+			SetPosition(m_lFilePosition);
+			::ReadFile(m_hFileHandle, pData, nBytesToRead, &nBytesRead, NULL);
+			m_lFilePosition += nBytesRead; 
+
+			for (size_t index = 0; index < nBytesToRead / 2; ++index)
+			{
+				BYTE temp = pData[index];
+				pData[index] = pData[nBytesToRead - index - 1];
+				pData[nBytesToRead - index - 1] = temp;
+			}
+		}
+		return S_OK;
+	}
+	HRESULT ReadFile3(void* pData, DWORD nBytesToRead)
+	{
+		DWORD nBytesRead = 0;
+		if(NULL == pData)
+			return S_FALSE;
+
+		if(m_hFileHandle && (pData))
+		{	
+			SetPosition(m_lFilePosition);
+			::ReadFile(m_hFileHandle, pData, nBytesToRead, &nBytesRead, NULL);
+			m_lFilePosition += nBytesRead; 
+		}
+		return S_OK;
+	}
+
+	HRESULT WriteFile(void* pData, DWORD nBytesToWrite)
+	{
+		if(m_hFileHandle)
+		{	
+			DWORD dwWritten = 0;
+			::WriteFile(m_hFileHandle, pData, nBytesToWrite, &dwWritten, NULL);
+			m_lFilePosition += nBytesToWrite; 
+		}
+		return S_OK;
+	}
+
+	HRESULT WriteFile2(void* pData, DWORD nBytesToWrite)
+	{
+		if(m_hFileHandle)
+		{	
+			BYTE* mem = new BYTE[nBytesToWrite];
+			memcpy(mem, pData, nBytesToWrite);
+			
+			for (size_t index = 0; index < nBytesToWrite / 2; ++index)
+			{
+				BYTE temp = mem[index];
+				mem[index] = mem[nBytesToWrite - index - 1];
+				mem[nBytesToWrite - index - 1] = temp;
+			}
+			
+			DWORD dwWritten = 0;
+			::WriteFile(m_hFileHandle, (void*)mem, nBytesToWrite, &dwWritten, NULL);
+			m_lFilePosition += nBytesToWrite; 
+			delete[] mem;
+		}
+		return S_OK;
+	}
+
+	HRESULT CreateFile(CString strFileName)
+	{
+		CloseFile();
+		DWORD AccessMode = GENERIC_WRITE;
+		DWORD ShareMode = FILE_SHARE_WRITE;
+		DWORD Disposition = CREATE_ALWAYS;
+		m_hFileHandle = ::CreateFile(strFileName, AccessMode, ShareMode, NULL, Disposition, FILE_ATTRIBUTE_NORMAL, NULL);
+		return SetPosition(0);
+	}
+	HRESULT SetPosition( ULONG64 nPos )
+	{	
+		if (m_hFileHandle && nPos < (ULONG)m_lFileSize)
+		{
+			LARGE_INTEGER nTempPos;
+			nTempPos.QuadPart = nPos;
+			::SetFilePointer(m_hFileHandle, nTempPos.LowPart, &nTempPos.HighPart, FILE_BEGIN);
+			m_lFilePosition = nPos;
+			return S_OK;
+		}
+		else 
+		{
+			return (INVALID_HANDLE_VALUE == m_hFileHandle) ? S_FALSE : S_OK;
+		}
+	}
+	LONG64  GetPosition()
+	{
+		return m_lFilePosition;
+	}
+	HRESULT SkipBytes(ULONG64 nCount)
+	{
+		return SetPosition(m_lFilePosition + nCount);
+	}
+
+	HRESULT CloseFile()
+	{
+		m_lFileSize = 0;
+		m_lFilePosition = 0;
+		CloseHandle(m_hFileHandle);
+		m_hFileHandle = NULL;
+		return S_OK;
+	}
+
+	ULONG64 GetFileSize()
+	{
+		return m_lFileSize;
+	}
+
+	void WriteStringUTF8(CString& strXml)
+	{
+        int nLength = strXml.GetLength();
+
+		CStringA saStr;
+		
+#ifdef UNICODE
+		
+		WideCharToMultiByte(CP_UTF8, 0, strXml.GetBuffer(), nLength + 1, saStr.GetBuffer(nLength*3 + 1), nLength*3, NULL, NULL);
+		saStr.ReleaseBuffer();    
+#else
+		wchar_t* pWStr = new wchar_t[nLength + 1];
+		if (!pWStr)
+			return;
+
+		
+		pWStr[nLength] = 0;
+
+		
+        MultiByteToWideChar(CP_ACP, 0, strXml, nLength, pWStr, nLength);
+
+        int nLengthW = (int)wcslen(pWStr);
+
+		
+        WideCharToMultiByte(CP_UTF8, 0, pWStr, nLengthW + 1, saStr.GetBuffer(nLengthW*3 + 1), nLengthW*3, NULL, NULL);
+		saStr.ReleaseBuffer();
+
+	    delete[] pWStr;
+#endif
+		
+		WriteFile((void*)saStr.GetBuffer(), saStr.GetLength());
+	}
+
+	LONG GetProgress()
+	{
+		if (0 >= m_lFileSize)
+			return -1;
+
+		double dVal = (double)(100 * m_lFilePosition);
+		LONG lProgress = (LONG)(dVal / m_lFileSize);
+		return lProgress;
+	}
+
+protected:
+	HANDLE m_hFileHandle;		
+	LONG64 m_lFileSize;
+	LONG64 m_lFilePosition;
+};