/* * Copyright (C) 2005-2006 Alfresco, Inc. * * Licensed under the Mozilla Public License version 1.1 * with a permitted attribution clause. You may obtain a * copy of the License at * * http://www.alfresco.org/legal/license.txt * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, * either express or implied. See the License for the specific * language governing permissions and limitations under the * License. */ #ifndef _DataPacker_H #define _DataPacker_H // Includes #include "util\String.h" #include "util\Types.h" #include "util\JavaTypes.h" // Classes defined in this header file namespace Alfresco { class DataPacker; } /** * DataPacker Class * * The DataPacker class provides methods for packing and unpacking of various data types from a buffer. */ class Alfresco::DataPacker { private: // Hide constructors DataPacker( void) {}; DataPacker(const DataPacker& dp) {}; public: // Unpack data types from a buffer static int getShort(CBUFPTR buf, BUFPOS pos); static int getInt(CBUFPTR buf, BUFPOS pos); static LONG64 getLong(CBUFPTR buf, BUFPOS pos); static int getIntelShort(CBUFPTR buf, BUFPOS pos); static int getIntelInt(CBUFPTR buf, BUFPOS pos); static LONG64 getIntelLong(CBUFPTR buf, BUFPOS pos); static String getString(CBUFPTR buf, BUFPOS pos, const unsigned int maxLen, const bool isUni = false); static String getUnicodeString(CBUFPTR buf, BUFPOS pos, const unsigned int maxLen); // Pack data types into a buffer static void putShort(const int val, BUFPTR buf, BUFPOS pos); static void putInt(const int val, BUFPTR buf, BUFPOS pos); static void putLong(const LONG64 val, BUFPTR buf, BUFPOS pos); static void putIntelShort(const int val, BUFPTR buf, BUFPOS pos); static void putIntelInt(const int val, BUFPTR buf, BUFPOS pos); static void putIntelLong(const LONG64 val, BUFPTR buf, BUFPOS pos); static unsigned int putString(const String& str, BUFPTR buf, BUFPOS pos, bool nullTerm = true, bool isUni = false); static unsigned int putString(const char* str, BUFLEN len, BUFPTR buf, BUFPOS pos, bool nullTerm = true); static unsigned int putString(const wchar_t* str, BUFLEN len, BUFPTR buf, BUFPOS pos, bool nullTerm = true); static void putZeros(BUFPTR buf, BUFPOS pos, const unsigned int count); // Calculate buffer positions static unsigned int getStringLength(const String& str, const bool isUni = false, const bool nulTerm = false); static unsigned int getBufferPosition(BUFPOS pos, const String& str, const bool isUni = false, const bool nulTerm = false); // Align a buffer offset static inline BUFPOS longwordAlign( BUFPOS pos) { return ( pos + 3) & 0xFFFFFFFC; } static inline BUFPOS wordAlign( BUFPOS pos) { return ( pos + 1) & 0xFFFFFFFE; } }; #endif