1*cdf0e10cSrcweir /************************************************************************* 2*cdf0e10cSrcweir * 3*cdf0e10cSrcweir * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4*cdf0e10cSrcweir * 5*cdf0e10cSrcweir * Copyright 2000, 2010 Oracle and/or its affiliates. 6*cdf0e10cSrcweir * 7*cdf0e10cSrcweir * OpenOffice.org - a multi-platform office productivity suite 8*cdf0e10cSrcweir * 9*cdf0e10cSrcweir * This file is part of OpenOffice.org. 10*cdf0e10cSrcweir * 11*cdf0e10cSrcweir * OpenOffice.org is free software: you can redistribute it and/or modify 12*cdf0e10cSrcweir * it under the terms of the GNU Lesser General Public License version 3 13*cdf0e10cSrcweir * only, as published by the Free Software Foundation. 14*cdf0e10cSrcweir * 15*cdf0e10cSrcweir * OpenOffice.org is distributed in the hope that it will be useful, 16*cdf0e10cSrcweir * but WITHOUT ANY WARRANTY; without even the implied warranty of 17*cdf0e10cSrcweir * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18*cdf0e10cSrcweir * GNU Lesser General Public License version 3 for more details 19*cdf0e10cSrcweir * (a copy is included in the LICENSE file that accompanied this code). 20*cdf0e10cSrcweir * 21*cdf0e10cSrcweir * You should have received a copy of the GNU Lesser General Public License 22*cdf0e10cSrcweir * version 3 along with OpenOffice.org. If not, see 23*cdf0e10cSrcweir * <http://www.openoffice.org/license.html> 24*cdf0e10cSrcweir * for a copy of the LGPLv3 License. 25*cdf0e10cSrcweir * 26*cdf0e10cSrcweir ************************************************************************/ 27*cdf0e10cSrcweir 28*cdf0e10cSrcweir #include <precomp.h> 29*cdf0e10cSrcweir #include <cosv/mbstream.hxx> 30*cdf0e10cSrcweir 31*cdf0e10cSrcweir // NOT FULLY DECLARED SERVICES 32*cdf0e10cSrcweir #include <string.h> 33*cdf0e10cSrcweir 34*cdf0e10cSrcweir 35*cdf0e10cSrcweir namespace csv 36*cdf0e10cSrcweir { 37*cdf0e10cSrcweir 38*cdf0e10cSrcweir 39*cdf0e10cSrcweir 40*cdf0e10cSrcweir mbstream::mbstream( uintt i_nSize ) 41*cdf0e10cSrcweir : dpOwnedMemorySpace( new char[i_nSize+1] ), 42*cdf0e10cSrcweir nSize( i_nSize ), 43*cdf0e10cSrcweir nCurPosition( 0 ) 44*cdf0e10cSrcweir { 45*cdf0e10cSrcweir dpOwnedMemorySpace[i_nSize] = '\0'; 46*cdf0e10cSrcweir } 47*cdf0e10cSrcweir 48*cdf0e10cSrcweir mbstream::~mbstream() 49*cdf0e10cSrcweir { 50*cdf0e10cSrcweir delete [] dpOwnedMemorySpace; 51*cdf0e10cSrcweir } 52*cdf0e10cSrcweir 53*cdf0e10cSrcweir void 54*cdf0e10cSrcweir mbstream::resize( uintt i_nSize ) 55*cdf0e10cSrcweir { 56*cdf0e10cSrcweir DYN char * pNew = new char[i_nSize]; 57*cdf0e10cSrcweir memcpy( pNew, dpOwnedMemorySpace, min(i_nSize,nSize) ); 58*cdf0e10cSrcweir delete [] dpOwnedMemorySpace; 59*cdf0e10cSrcweir dpOwnedMemorySpace = pNew; 60*cdf0e10cSrcweir nSize = i_nSize; 61*cdf0e10cSrcweir } 62*cdf0e10cSrcweir 63*cdf0e10cSrcweir uintt 64*cdf0e10cSrcweir mbstream::do_read( void * out_pDest, 65*cdf0e10cSrcweir uintt i_nNrofBytes ) 66*cdf0e10cSrcweir { 67*cdf0e10cSrcweir uintt ret = min( i_nNrofBytes, nSize - nCurPosition ); 68*cdf0e10cSrcweir memcpy( out_pDest, dpOwnedMemorySpace, ret ); 69*cdf0e10cSrcweir nCurPosition += ret; 70*cdf0e10cSrcweir return ret; 71*cdf0e10cSrcweir } 72*cdf0e10cSrcweir 73*cdf0e10cSrcweir bool 74*cdf0e10cSrcweir mbstream::inq_eod() const 75*cdf0e10cSrcweir { 76*cdf0e10cSrcweir return nCurPosition == nSize; 77*cdf0e10cSrcweir } 78*cdf0e10cSrcweir 79*cdf0e10cSrcweir uintt 80*cdf0e10cSrcweir mbstream::do_write( const void * i_pSrc, 81*cdf0e10cSrcweir uintt i_nNrofBytes ) 82*cdf0e10cSrcweir { 83*cdf0e10cSrcweir resize( max( 3 * (nSize+1) / 2, nCurPosition + i_nNrofBytes) ); 84*cdf0e10cSrcweir memcpy( dpOwnedMemorySpace+nCurPosition, i_pSrc, i_nNrofBytes ); 85*cdf0e10cSrcweir nCurPosition += i_nNrofBytes; 86*cdf0e10cSrcweir return i_nNrofBytes; 87*cdf0e10cSrcweir } 88*cdf0e10cSrcweir 89*cdf0e10cSrcweir uintt 90*cdf0e10cSrcweir mbstream::do_seek( intt i_nDistance, 91*cdf0e10cSrcweir seek_dir i_eStartPoint ) 92*cdf0e10cSrcweir { 93*cdf0e10cSrcweir switch ( i_eStartPoint ) 94*cdf0e10cSrcweir { 95*cdf0e10cSrcweir case beg: if ( uintt(i_nDistance) < nSize ) 96*cdf0e10cSrcweir nCurPosition = uintt(i_nDistance); 97*cdf0e10cSrcweir break; 98*cdf0e10cSrcweir case cur: if ( i_nDistance < 0 99*cdf0e10cSrcweir ? uintt(-i_nDistance) <= nCurPosition 100*cdf0e10cSrcweir : uintt(i_nDistance) + nCurPosition < nSize ) 101*cdf0e10cSrcweir nCurPosition = uintt( intt(nCurPosition) + i_nDistance ); 102*cdf0e10cSrcweir break; 103*cdf0e10cSrcweir case end: if ( i_nDistance < 0 104*cdf0e10cSrcweir AND uintt(-i_nDistance) < nSize - 1 ) 105*cdf0e10cSrcweir nCurPosition = uintt( intt(nSize) - 1 + i_nDistance ); 106*cdf0e10cSrcweir break; 107*cdf0e10cSrcweir } 108*cdf0e10cSrcweir return position(); 109*cdf0e10cSrcweir } 110*cdf0e10cSrcweir 111*cdf0e10cSrcweir uintt 112*cdf0e10cSrcweir mbstream::inq_position() const 113*cdf0e10cSrcweir { 114*cdf0e10cSrcweir return nCurPosition; 115*cdf0e10cSrcweir } 116*cdf0e10cSrcweir 117*cdf0e10cSrcweir 118*cdf0e10cSrcweir } // namespace csv 119*cdf0e10cSrcweir 120