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/*
* ESG parser
*
* Copyright (C) 2006 Stephane Este-Gracias (sestegra@free.fr)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <stdlib.h>
#include <string.h>
#include <libesg/types.h>
#include <libesg/representation/encapsulated_textual_esg_xml_fragment.h>
struct esg_encapsulated_textual_esg_xml_fragment *esg_encapsulated_textual_esg_xml_fragment_decode(uint8_t *buffer, uint32_t size) {
struct esg_encapsulated_textual_esg_xml_fragment *esg_xml_fragment;
uint32_t pos;
uint32_t length;
uint8_t offset_pos;
if ((buffer == NULL) || (size <= 0)) {
return NULL;
}
pos = 0;
esg_xml_fragment = (struct esg_encapsulated_textual_esg_xml_fragment *) malloc(sizeof(struct esg_encapsulated_textual_esg_xml_fragment));
memset(esg_xml_fragment, 0, sizeof(struct esg_encapsulated_textual_esg_xml_fragment));
offset_pos = vluimsbf8(buffer+pos+2, size-pos-2, &length);
if (size-pos-2 < offset_pos+length) {
esg_encapsulated_textual_esg_xml_fragment_free(esg_xml_fragment);
return NULL;
}
esg_xml_fragment->esg_xml_fragment_type = (buffer[pos] << 8) | buffer[pos+1];
pos += 2+offset_pos;
esg_xml_fragment->data_length = length;
esg_xml_fragment->data = (uint8_t *) malloc(length);
memcpy(esg_xml_fragment->data, buffer+pos, length);
pos += length;
return esg_xml_fragment;
}
void esg_encapsulated_textual_esg_xml_fragment_free(struct esg_encapsulated_textual_esg_xml_fragment *esg_xml_fragment) {
if (esg_xml_fragment == NULL) {
return;
}
if (esg_xml_fragment->data) {
free(esg_xml_fragment->data);
}
free(esg_xml_fragment);
}
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