1 files changed, 94 insertions, 0 deletions
diff --git a/zip/ZipArchive/ZipPlatformComm.cpp b/zip/ZipArchive/ZipPlatformComm.cpp
new file mode 100644
index 0000000..62469e2
--- /dev/null
+++ b/zip/ZipArchive/ZipPlatformComm.cpp
@@ -0,0 +1,94 @@
+////////////////////////////////////////////////////////////////////////////////
+// This source file is part of the ZipArchive library source distribution and
+// is Copyrighted 2000 - 2007 by Artpol Software - Tadeusz Dracz
+//
+// 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.
+// 
+// For the licensing details refer to the License.txt file.
+//
+// Web Site: http://www.artpol-software.com
+////////////////////////////////////////////////////////////////////////////////
+
+#include "stdafx.h"
+#include "ZipFile.h"
+#include "ZipPlatform.h"
+#include "ZipException.h"
+
+using namespace ZipPlatform;
+
+bool ZipPlatform::DirectoryExists(LPCTSTR lpszDir)
+{
+	CZipString sz;
+	if (!GetCurrentDirectory(sz))
+		return false;
+	if (!ChangeDirectory(lpszDir))
+		return false;
+	ChangeDirectory(sz);
+	return true;
+}
+
+bool ZipPlatform::ForceDirectory(LPCTSTR lpDirectory)
+{
+	ASSERT(lpDirectory);
+	CZipString szDirectory = lpDirectory;
+	szDirectory.TrimRight(CZipPathComponent::m_cSeparator);
+	CZipPathComponent zpc(szDirectory);
+	if ((zpc.GetFilePath().Compare((LPCTSTR)szDirectory)) == 0 ||
+		(FileExists(szDirectory) == -1))
+		return true;
+	if (!ForceDirectory(zpc.GetFilePath()))
+		return false;
+	if (!CreateDirectory(szDirectory))
+		return false;
+	return true;
+}
+
+bool ZipPlatform::GetFileSize(LPCTSTR lpszFileName, ZIP_SIZE_TYPE& dSize)
+{
+	CZipFile f;
+	if (!f.Open(lpszFileName, CZipFile::modeRead | CZipFile::shareDenyWrite, false))
+		return false;
+	bool ret;
+	try
+	{
+		ZIP_FILE_USIZE size = f.GetLength();
+		// the file may be too large if zip64 is not enabled
+		ret = size <= ZIP_SIZE_TYPE(-1);
+		if (ret)
+			dSize = (ZIP_SIZE_TYPE)size;
+	}
+#ifdef ZIP_ARCHIVE_MFC
+	catch(CZipBaseException* e)
+	{
+		e->Delete();
+		ret = false;
+	}
+#else
+	catch(CZipBaseException e)
+	{
+		ret = false;
+	}
+#endif
+
+	try
+	{
+		f.Close();
+	}
+#ifdef ZIP_ARCHIVE_MFC
+	catch(CZipBaseException* e)
+	{
+		e->Delete();
+	}
+#else
+	catch(CZipBaseException e)
+	{
+	}
+#endif
+
+	return ret;	
+}
+
+