extractprogid.cpp

/*
    BCU SDK bcu development enviroment
    Copyright (C) 2005-2011 Martin Koegler <mkoegler@auto.tuwien.ac.at>

    This program 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 2 of the License, or
    (at your option) any later version.

    This program 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 this program; if not, write to the Free Software
    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/

#include <stdio.h>
#include <libxml/parser.h>
#include "types.h"
#include "common.h"
#include "hex.h"

void
writecontent (xmlNodePtr n, const char *file)
{
  const uchar *c = (const uchar *) xmlNodeGetContent (n);
  CArray p;
  p.set (c, strlen ((const char *) c));
  p = decode_hex (p);

  FILE *f = fopen (file, "w");
  if (!f)
    die (_("can not write to %s"), file);
  fwrite (p.array (), 1, p (), f);
  fclose (f);

}

int
main (int ac, char *ag[])
{
  CArray p;
  uchar buf[200];
  int set = 0;

  if (ac != 3)
    die (_("%s input output"), ag[0]);
  xmlDocPtr f;
  f = xmlParseFile (ag[1]);
  if (!f)
    die (_("can not parse %s"), ag[1]);

  xmlNodePtr n = xmlDocGetRootElement (f);

  if (n->type != XML_ELEMENT_NODE
      || (strcmp ((const char *) n->name, "DeviceConfig")
	  && strcmp ((const char *) n->name, "DeviceDesc")))
    die (_("wrong format"));

  xmlNodePtr cld = n->children;

  while (cld)
    {
      if (cld->type == XML_ELEMENT_NODE)
	{
	  const char *name = (const char *) cld->name;
	  if (!strcmp (name, "ProgramID"))
	    {
	      writecontent (cld, ag[2]);
	      set = 1;
	    }
	}
      cld = cld->next;
    }
  if (!set)
    die (_("ProgramID not found"));

  xmlFreeDoc (f);

}