File: epgsearchcats.c

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/*                                                                  -*- c++ -*-
Copyright (C) 2004-2013 Christian Wieninger

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
Or, point your browser to http://www.gnu.org/licenses/old-licenses/gpl-2.0.html

The author can be reached at cwieninger@gmx.de

The project's page is at http://winni.vdr-developer.org/epgsearch
*/

#include <string>
#include "epgsearchcats.h"
#include "log.h"
#include "epgsearchtools.h"
#include <vdr/tools.h>

using std::string;

// -- cSearchExtCat -----------------------------------------------------------------
cSearchExtCat::cSearchExtCat(void)
{
    id = 0;
    name = NULL;
    format = NULL;
    menuname = NULL;
    searchmode = 1; // default: all substrings must exist
    values = NULL;
    nvalues = 0;
}

cSearchExtCat::~cSearchExtCat(void)
{
    free(name);
    free(menuname);
    for(int i=0; i<nvalues; i++)
	free(values[i]);
    free(values);
}

bool cSearchExtCat::Parse(const char *s)
{
  char *line;
  char *pos;
  char *pos_next;
  int parameter = 1;
  int valuelen;

#define MAXVALUELEN (10 * MaxFileName)

  char value[MAXVALUELEN];

  pos = line = strdup(s);
  pos_next = pos + strlen(pos);
  if (*pos_next == '\n') *pos_next = 0;
  while (*pos) {
    while (*pos == ' ') pos++;
    if (*pos) {
      if (*pos != '|') {
        pos_next = strchr(pos, '|');
        if (!pos_next)
          pos_next = pos + strlen(pos);
        valuelen = pos_next - pos + 1;
        if (valuelen > MAXVALUELEN)
	{
	    LogFile.eSysLog("entry '%s' is too long. Will be truncated!", pos);
	    valuelen = MAXVALUELEN;
	}
        strn0cpy(value, pos, valuelen);
        pos = pos_next;
        switch (parameter) {
	    case 1:  id = atoi(value);
	      break;
	    case 2:
            {
		name = strdup(value);
		format=strchr(name,',');
		if (format) 
		{
			*format=0;
			format++;
			char cset[]="%0123456789di";
			if (strspn(format,cset)!=strlen(format)) format=NULL;
		} 
		break;
            }
	    case 3:  menuname = strdup(value);
	      break;
	    case 4:
	    {
		char* szBuffer = strdup(value);
		char* pptr;
		char* pstrToken=strtok_r(szBuffer, ",", &pptr);
		while(pstrToken)
		{
		    nvalues++;
		    char **tmp = (char**) realloc(values, nvalues * sizeof(char*));
                    if (tmp) 
                    {
                       values=tmp;
		       values[nvalues-1] = strdup(pstrToken);
                    }
		    pstrToken=strtok_r(NULL, ",", &pptr);
		}
		free(szBuffer);
		break;
	    }
	    case 5:
	      searchmode = atoi(value);
	      break;
	    default:
	      break;
        } //switch
      }
      parameter++;
    }
    if (*pos) pos++;
  } //while

  free(line);
  return (parameter >= 3) ? true : false;
}

const char *cSearchExtCat::ToText(void)
{
    char* buffer = NULL;
    string sValues = "";
    for(int i=0; i<nvalues; i++)
	sValues += string(values[i]) + ((i<nvalues-1)?", ":"");

    if (format) 
    {
        msprintf(&buffer, "%d|%s,%s|%s|%s|%d",
             id, name, format, menuname, sValues.c_str(), searchmode);
    } else {
        msprintf(&buffer, "%d|%s|%s|%s|%d",
	     id, name, menuname, sValues.c_str(), searchmode);
    }
    return buffer;
}

// -- cSearchExtCats ----------------------------------------------------------------
int cSearchExtCats::GetIndexFromID(int id)
{
  cSearchExtCat *SearchExtCat = SearchExtCats.First();
  int index = 0;
  while (SearchExtCat)
  {
      if (SearchExtCat->id == id)
	  break;
      index++;
      SearchExtCat = SearchExtCats.Next(SearchExtCat);
  }
  if (!SearchExtCat && index == 0)
      return -1;
  else
      return index;
}