2006-05-03 18:34:13 +00:00

94 lines
3.4 KiB
C++

/*
* Copyright (C) 2005 Alfresco, Inc.
*
* Licensed under the Alfresco Network License. You may obtain a
* copy of the License at
*
* http://www.alfrescosoftware.com/legal/
*
* Please view the license relevant to your network subscription.
*
* BY CLICKING THE "I UNDERSTAND AND ACCEPT" BOX, OR INSTALLING,
* READING OR USING ALFRESCO'S Network SOFTWARE (THE "SOFTWARE"),
* YOU ARE AGREEING ON BEHALF OF THE ENTITY LICENSING THE SOFTWARE
* ("COMPANY") THAT COMPANY WILL BE BOUND BY AND IS BECOMING A PARTY TO
* THIS ALFRESCO NETWORK AGREEMENT ("AGREEMENT") AND THAT YOU HAVE THE
* AUTHORITY TO BIND COMPANY. IF COMPANY DOES NOT AGREE TO ALL OF THE
* TERMS OF THIS AGREEMENT, DO NOT SELECT THE "I UNDERSTAND AND AGREE"
* BOX AND DO NOT INSTALL THE SOFTWARE OR VIEW THE SOURCE CODE. COMPANY
* HAS NOT BECOME A LICENSEE OF, AND IS NOT AUTHORIZED TO USE THE
* SOFTWARE UNLESS AND UNTIL IT HAS AGREED TO BE BOUND BY THESE LICENSE
* TERMS. THE "EFFECTIVE DATE" FOR THIS AGREEMENT SHALL BE THE DAY YOU
* CHECK THE "I UNDERSTAND AND ACCEPT" BOX.
*/
#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