From 16f738ecee689c6feb2acb7e4ef4d9bb4144ae7d Mon Sep 17 00:00:00 2001
From: Tomas Bzatek <tbzatek@users.sourceforge.net>
Date: Sun, 8 Jun 2008 11:04:43 +0200
Subject: Initial commit

---
 zip/ZipArchive/ZipExtraData.h | 158 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 158 insertions(+)
 create mode 100644 zip/ZipArchive/ZipExtraData.h

(limited to 'zip/ZipArchive/ZipExtraData.h')

diff --git a/zip/ZipArchive/ZipExtraData.h b/zip/ZipArchive/ZipExtraData.h
new file mode 100644
index 0000000..cb9c256
--- /dev/null
+++ b/zip/ZipArchive/ZipExtraData.h
@@ -0,0 +1,158 @@
+////////////////////////////////////////////////////////////////////////////////
+// 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
+////////////////////////////////////////////////////////////////////////////////
+
+/**
+* \file ZipExtraData.h
+* Includes the CZipExtraData class.
+*
+*/
+
+#if !defined(ZIPARCHIVE_ZIPEXTRADATA_DOT_H)
+#define ZIPARCHIVE_ZIPEXTRADATA_DOT_H
+
+#if _MSC_VER > 1000
+#pragma once
+#endif
+
+#include "ZipExport.h"
+#include "ZipAutoBuffer.h"
+#include "ZipExtraField.h"
+#include "memory.h"
+
+/**
+	Represents a single data record in an extra field.
+
+	\see
+		<a href="kb">0610242300</a>
+*/
+class ZIP_API CZipExtraData
+{	
+	friend class CZipExtraField;
+public:
+
+	/**
+		The custom data contained by this record.
+	*/
+	CZipAutoBuffer m_data;
+
+	CZipExtraData()
+	{
+		m_uHeaderID = 0;
+	}
+
+	CZipExtraData(const CZipExtraData& extra)
+	{
+		*this = extra;
+	}
+
+	/**
+		Initializes a new instance of the CZipExtraData class.
+
+		\param uHeaderID
+			The unique ID of the data.
+	*/
+	CZipExtraData(WORD uHeaderID)
+	{
+		m_uHeaderID = uHeaderID;
+	}
+
+	CZipExtraData& operator=(const CZipExtraData& extra)
+	{
+		m_uHeaderID = extra.m_uHeaderID;
+		DWORD uSize = extra.m_data.GetSize();
+		m_data.Allocate(uSize);
+		if (uSize > 0)
+			memcpy(m_data, extra.m_data, uSize);
+		return *this;
+	}
+	bool operator==(const CZipExtraData& extra)
+	{
+		return m_uHeaderID == extra.m_uHeaderID && m_data.GetSize() == extra.m_data.GetSize() && memcmp(m_data, extra.m_data, m_data.GetSize()) == 0;
+	}
+	bool operator != (const CZipExtraData& extra)
+	{
+		return !(*this == extra);
+	}
+	bool operator > (const CZipExtraData& extra)
+	{
+		return m_uHeaderID > extra.m_uHeaderID;
+	}
+	bool operator < (const CZipExtraData& extra)
+	{
+		return m_uHeaderID < extra.m_uHeaderID;
+	}
+	bool operator >= (const CZipExtraData& extra)
+	{
+		return m_uHeaderID > extra.m_uHeaderID || *this == extra;
+	}
+
+	bool operator <= (const CZipExtraData& extra)
+	{
+		return m_uHeaderID < extra.m_uHeaderID || *this == extra;
+	}
+
+	/**
+		Gets the total size, the extra data will occupy in the archive.
+
+		\return
+			The size in bytes.
+	*/
+	int GetTotalSize() const
+	{
+		return 4 + m_data.GetSize();
+	}
+	
+	/**
+		Gets the data ID.
+
+		\return 
+			The data ID.
+	*/
+	WORD GetHeaderID() const
+	{
+		return m_uHeaderID;
+	}
+
+protected:
+	
+	/**
+		Reads the extra data record from \a buffer.
+
+		\param buffer
+			The buffer to read the data from.
+
+		\param uSize
+			The size of the data to read.
+
+		\return
+			\c false, if \a uSize was smaller than the declared extra data size; \c true otherwise.
+	*/
+	bool Read(char* buffer, WORD uSize);
+
+	/**
+		Writes the extra data record to \a buffer.
+
+		\param buffer
+			The buffer to write to.
+
+		\return
+			The total size of extra data in bytes.
+	*/
+	WORD Write(char* buffer)const;
+
+private:
+	WORD m_uHeaderID;
+};
+
+#endif // !defined(ZIPARCHIVE_ZIPEXTRADATA_DOT_H)
-- 
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