Updated to final KDE3 ktorrent release (2.2.6)

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/ktorrent@1077377 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 148 insertions, 0 deletions

diff --git a/libktorrent/util/sha1hash.h b/libktorrent/util/sha1hash.h
new file mode 100644
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+++ b/libktorrent/util/sha1hash.h
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+/***************************************************************************
+ *   Copyright (C) 2005 by Joris Guisson                                   *
+ *   joris.guisson@gmail.com                                               *
+ *                                                                         *
+ *   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.                                   *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.             *
+ ***************************************************************************/
+#ifndef BTSHA1HASH_H
+#define BTSHA1HASH_H
+
+#include <qcstring.h> 
+#include "constants.h"
+
+class QString;
+
+namespace bt
+{
+	class Log;
+
+	/**
+	 * @author Joris Guisson
+	 * @brief Stores a SHA1 hash
+	 *
+	 * This class keeps track of a SHA1 hash. A SHA1 hash is a 20 byte
+	 * array of bytes.
+	*/
+	class SHA1Hash
+	{
+	protected:
+		Uint8 hash[20];
+	public:
+		/**
+		 * Constructor, sets every byte in the hash to 0.
+		 */
+		SHA1Hash();
+		
+		/**
+		 * Copy constructor.
+		 * @param other Hash to copy
+		 */
+		SHA1Hash(const SHA1Hash & other);
+		
+		/**
+		 * Directly set the hash data.
+		 * @param h The hash data must be 20 bytes large
+		 */
+		SHA1Hash(const Uint8* h);
+		
+		/**
+		 * Destructor.
+		 */
+		virtual ~SHA1Hash();
+
+		/// Get the idx'th byte of the hash.
+		Uint8 operator [] (const Uint32 idx) const {return idx < 20 ? hash[idx] : 0;}
+		
+		/**
+		 * Assignment operator.
+		 * @param other Hash to copy
+		 */
+		SHA1Hash & operator = (const SHA1Hash & other);
+
+		/**
+		 * Test wether another hash is equal to this one.
+		 * @param other The other hash
+		 * @return true if equal, false otherwise
+		 */
+		bool operator == (const SHA1Hash & other) const;
+
+		/**
+		 * Test wether another hash is not equal to this one.
+		 * @param other The other hash
+		 * @return true if not equal, false otherwise
+		 */
+		bool operator != (const SHA1Hash & other) const {return !operator ==(other);}
+
+		/**
+		 * Generate an SHA1 hash from a bunch of data.
+		 * @param data The data
+		 * @param len Size in bytes of data
+		 * @return The generated SHA1 hash
+		 */
+		static SHA1Hash generate(const Uint8* data,Uint32 len);
+
+		/**
+		 * Convert the hash to a printable string.
+		 * @return The string
+		 */
+		QString toString() const;
+
+		/**
+		 * Convert the hash to a string, usable in http get requests.
+		 * @return The string
+		 */
+		QString toURLString() const;
+		
+		/**
+		 * Directly get pointer to the data.
+		 * @return The data
+		 */
+		const Uint8* getData() const {return hash;}
+
+		/**
+		 * Function to print a SHA1Hash to the Log.
+		 * @param out The Log
+		 * @param h The hash
+		 * @return out
+		 */
+		friend Log & operator << (Log & out,const SHA1Hash & h);
+		
+		
+		/**
+		 * XOR two SHA1Hashes
+		 * @param a The first hash
+		 * @param b The second
+		 * @return a xor b
+		 */
+		friend SHA1Hash operator ^ (const SHA1Hash & a,const SHA1Hash & b);
+		
+		/**
+		 * Function to compare 2 hashes
+		 * @param a The first hash
+		 * @param h The second hash
+		 * @return wether a is smaller then b
+		 */
+		friend bool operator < (const SHA1Hash & a,const SHA1Hash & b);
+		
+		/**
+		 * Convert the hash to a byte array.
+		 */
+		QByteArray toByteArray() const;
+	};
+
+}
+
+#endif