ghmm_gmlalphabet.cpp

一个通用的隐性马尔可夫C代码库 开发环境:C语言 简要说明:这是一个通用的隐性马尔可夫C代码库

/*
 *
 * created: 26 Feb 2002 by Wasinee Rungsarityotin
 * authors: Wasinee Rungsarityotin ([e-mail])
 * file   : $Source: /cvsroot/ghmm/ghmm/ghmm++/GHMM_GMLAlphabet.cpp,v $
 * $Id: GHMM_GMLAlphabet.cpp,v 1.3 2003/09/18 10:04:49 cic99 Exp $
 * revision date   : $Date: 2003/09/18 10:04:49 $
  _Copyright (C) 1998-2001, ZAIK/ZPR, Universit鋞 zu K鰈n
  _
  _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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  _
 
 */

#include <iostream>
#include <xmlio/XMLIO_Document.h>
#include "ghmm++/GHMM_GMLAlphabet.h"


#ifdef HAVE_NAMESPACES
using namespace std;
#endif


GHMM_GMLAlphabet::GHMM_GMLAlphabet() {
  alphabet_type     = GHMM_SINGLE_CHAR_ALPHABET;
  xmlio_indent_type = XMLIO_INDENT_BOTH;
  tag               = "hmm:alphabet";
  reading = READ_NONE;
  attributes["hmm:type"] = "discrete"; 
  attributes["hmm:low"]  = "0";
  attributes["hmm:high"]  = "0";
}


GHMM_GMLAlphabet::~GHMM_GMLAlphabet() {

}


XMLIO_Element* GHMM_GMLAlphabet::XMLIO_startTag(const string& tag, XMLIO_Attributes &attrs) {
  reading = READ_NONE;
  if (tag == "map") 
    {
      return this;
    }
  else
    if (tag == "symbol") // HACK!! We should look at the text node , not attribute
      { 
	reading = READ_SINGLE_CHAR;
	return this;
      }
  
  return NULL;
}

void GHMM_GMLAlphabet::XMLIO_endTag(const string& tag) {
  reading = READ_NONE;
}


void GHMM_GMLAlphabet::XMLIO_getCharacters(const string& characters) {

  switch (reading) {

  case READ_SINGLE_CHAR:
    // cout << "Alphabet seen: " << characters.c_str() << endl;
    addSymbol(characters);
    char tmp[3];
    sprintf(tmp, "%d", size()-1);
    attributes["hmm:high"]  = tmp;
    break;

  case READ_NONE:
    break;
  }
}


const int GHMM_GMLAlphabet::XMLIO_writeContent(XMLIO_Document& writer) {
  int total_bytes = 0;
  int result;
  unsigned int i;

  result = writer.writeEndl();

  if (result < 0)
    return result;
  total_bytes += result;

  writer.changeIndent(2);

  result = writer.writef("%s<map>\n",writer.indent);
  total_bytes += result;

  for (i = 0; i < symbols.size(); ++i) {
    result = writer.writef("%s<symbol code=\"%2d\">%s</symbol>\n",
			   writer.indent, i, symbols[i].c_str());

    if (result < 0)
      return result;
    total_bytes += result;
  }

  result = writer.writef("%s</map>\n",writer.indent);
  total_bytes += result;

  return total_bytes;
}