#include <CppSQLite3.h>

Public Member Functions
	CppSQLite3Binary ()
	~CppSQLite3Binary ()
void	setBinary (const unsigned char *pBuf, int nLen)
void	setEncoded (const unsigned char *pBuf)
const unsigned char *	getEncoded ()
const unsigned char *	getBinary ()
int	getBinaryLength ()
unsigned char *	allocBuffer (int nLen)
void	clear ()
Private Attributes
unsigned char *	mpBuf
int	mnBinaryLen
int	mnBufferLen
int	mnEncodedLen
bool	mbEncoded

Detailed Description

Definition at line 169 of file CppSQLite3.h.

Constructor & Destructor Documentation

CppSQLite3Binary::CppSQLite3Binary ( )

Definition at line 353 of file CppSQLite3.cpp.

                                   :

                                                mpBuf(0),

                                                mnBinaryLen(0),

                                                mnBufferLen(0),

                                                mnEncodedLen(0),

                                                mbEncoded(false)

{

}

CppSQLite3Binary::~CppSQLite3Binary ( )

Definition at line 373 of file CppSQLite3.cpp.

References clear().

{

        clear();

}

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Member Function Documentation

unsigned char * CppSQLite3Binary::allocBuffer ( int nLen )

Definition at line 527 of file CppSQLite3.cpp.

References clear(), CPPSQLITE_ERROR, DONT_DELETE_MSG, mbEncoded, mnBinaryLen, mnBufferLen, and mpBuf.

Referenced by setBinary().

{

        clear();



        // Allow extra space for encoded binary as per comments in

        // SQLite encode.c See bottom of this file for implementation

        // of SQLite functions use 3 instead of 2 just to be sure ;-)

        mnBinaryLen = nLen;

        mnBufferLen = 3 + (257*nLen)/254;



        mpBuf = (unsigned char*)malloc(mnBufferLen);



        if (!mpBuf)

        {

                throw CppSQLite3Exception(CPPSQLITE_ERROR,

                                                                "Cannot allocate memory",

                                                                DONT_DELETE_MSG);

        }



        mbEncoded = false;



        return mpBuf;

}

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void CppSQLite3Binary::clear ( )

Definition at line 577 of file CppSQLite3.cpp.

References mnBinaryLen, mnBufferLen, and mpBuf.

Referenced by allocBuffer(), setEncoded(), and ~CppSQLite3Binary().

{

        if (mpBuf)

        {

                mnBinaryLen = 0;

                mnBufferLen = 0;

                free(mpBuf);

                mpBuf = 0;

        }

}

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const unsigned char * CppSQLite3Binary::getBinary ( )

Definition at line 471 of file CppSQLite3.cpp.

References CPPSQLITE_ERROR, DONT_DELETE_MSG, mbEncoded, mnBinaryLen, mpBuf, and sqlite3_decode_binary().

Referenced by getBinaryLength().

{

        if (mbEncoded)

        {

                // in/out buffers can be the same

                mnBinaryLen = sqlite3_decode_binary(mpBuf, mpBuf);



                if (mnBinaryLen == -1)

                {

                        throw CppSQLite3Exception(CPPSQLITE_ERROR,

                                                                        "Cannot decode binary",

                                                                        DONT_DELETE_MSG);

                }



                mbEncoded = false;

        }



        return mpBuf;

}

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int CppSQLite3Binary::getBinaryLength ( )

Definition at line 513 of file CppSQLite3.cpp.

References getBinary(), and mnBinaryLen.

{

        getBinary();

        return mnBinaryLen;

}

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const unsigned char * CppSQLite3Binary::getEncoded ( )

Definition at line 441 of file CppSQLite3.cpp.

References mbEncoded, mnBinaryLen, mnEncodedLen, mpBuf, and sqlite3_encode_binary().

{

        if (!mbEncoded)

        {

                unsigned char* ptmp = (unsigned char*)malloc(mnBinaryLen);

                memcpy(ptmp, mpBuf, mnBinaryLen);

                mnEncodedLen = sqlite3_encode_binary(ptmp, mnBinaryLen, mpBuf);

                free(ptmp);

                mbEncoded = true;

        }



        return mpBuf;

}

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void CppSQLite3Binary::setBinary	(	const unsigned char *	pBuf,
		int	nLen
	)

Definition at line 385 of file CppSQLite3.cpp.

References allocBuffer(), and mpBuf.

{

        mpBuf = allocBuffer(nLen);

        memcpy(mpBuf, pBuf, nLen);

}

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void CppSQLite3Binary::setEncoded ( const unsigned char * pBuf )

Definition at line 399 of file CppSQLite3.cpp.

References clear(), CPPSQLITE_ERROR, DONT_DELETE_MSG, mbEncoded, mnBufferLen, mnEncodedLen, and mpBuf.

{

        clear();



        mnEncodedLen = strlen((const char*)pBuf);

        mnBufferLen = mnEncodedLen + 1; // Allow for NULL terminator



        mpBuf = (unsigned char*)malloc(mnBufferLen);



        if (!mpBuf)

        {

                throw CppSQLite3Exception(CPPSQLITE_ERROR,

                                                                "Cannot allocate memory",

                                                                DONT_DELETE_MSG);

        }



        memcpy(mpBuf, pBuf, mnBufferLen);

        mbEncoded = true;

}