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/*
* This file is part of rasdaman community.
*
* Rasdaman community 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 3 of the License, or
* (at your option) any later version.
*
* Rasdaman community 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 rasdaman community. If not, see <http://www.gnu.org/licenses/>.
*
* Copyright 2003, 2004, 2005, 2006, 2007, 2008, 2009 Peter Baumann /
rasdaman GmbH.
*
* For more information please see <http://www.rasdaman.org>
* or contact Peter Baumann via <baumann@rasdaman.com>.
*/
#include <iostream>
#include <fstream>
#include "des.h"
#include "nitf.h"
#include "utilities.h"
using namespace std;
using namespace RasNITF;
des::des(){
m_desshf = NULL;
m_desdata = NULL;
data_length = 0;
header_length = 0;
}
des::~des(){
if(m_desshf != NULL){
delete m_desshf;
m_desshf = NULL;
}
if(m_desdata != NULL){
delete m_desdata;
m_desdata = NULL;
}
}
int des::read_file(istream &hNITF, long desh_length, long des_length){
int charsread = 0;
header_length=desh_length;
charsread += read_verify2(hNITF, m_de, 2 + 25 + 2 + 167);
//if TRE_OF read teh next two
if(strncmp(m_destag,"TRE_OVERFLOW",12)==0) {
charsread += read_verify2(hNITF, m_desoflw, 6+3);
}
charsread += read_verify2(hNITF, m_desshl, 4);
n_desshl = charptrtolong(m_desshl,4);
if (n_desshl > 0) {
m_desshf = new char[n_desshl];
if(m_desshf == NULL) cerr<<"ERROR: could not allocate memory";
charsread += read_verify2(hNITF, m_desshf, n_desshl);
}
m_desdata = new char[des_length];
charsread += read_verify2(hNITF, m_desdata, des_length);
data_length = des_length;
return charsread;
}
int des::write_file(ofstream &fNITF){
fNITF.write(m_de, 2);
fNITF.write(m_destag, 25);
fNITF.write(m_desver, 2);
fNITF.write(m_dessg, 167);
if(strncmp(m_destag,"TRE_OVERFLOW",12)==0) {
fNITF.write(m_desoflw, 6);
fNITF.write(m_desitem, 3);
}
fNITF.write( m_desshl, 4);
if (n_desshl > 0) {
fNITF.write(m_desshf, n_desshl);
}
if( m_desdata != NULL) {
fNITF.write( m_desdata, data_length);
}
//TODO
return 0;
}
string des::get_ld() const {
return des_dl;
}
string des::get_ldsh() const {
return des_hl;
}
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