File: confdloader.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 <vdr/plugin.h>
#include "confdloader.h"
#include "log.h"
#include "uservars.h"
#include "menu_dirselect.h"
#include "templatefile.h"
#include "epgsearchcats.h"

using std::string;

// ---------------------------
// Loads all files in the conf.d subdirectory of <plugin-config-directory> and
// applies found settings.
// ---------------------------
bool cConfDLoader::Load()
{
  const string dirPath(AddDirectory(CONFIGDIR, "conf.d"));
  LogFile.Log(2, "loading entries in %s", dirPath.c_str());
  cReadDir d(dirPath.c_str());
  struct dirent* e;
  string parent("..");
  string current(".");
  int count = 0;
  bool success = true;
  while ((e = d.Next())) {
    string direntry = e->d_name;
    if ((current == direntry) || (parent == direntry) || (direntry[direntry.size()-1] == '~')) {
      continue;
    }
    /* Check if entry is a directory: I do not rely on e->d_type
       here because on some systems it is always DT_UNKNOWN. Also
       testing for DT_DIR does not take into account symbolic
       links to directories.
    */
    struct stat buf;
    if ((stat((dirPath + "/" + e->d_name).c_str(), &buf) != 0) || (S_ISDIR(buf.st_mode))) {
      continue;
    }
    success &= LoadFile((dirPath + "/" + e->d_name).c_str());
    count++;
  }
  LogFile.Log(2, "loaded %d entries in %s", count, dirPath.c_str());
  return success;
}

// ---------------------------
// Each file has the form
//
// [<section>]
// <setting>
// ...
// [<section>]
// ...
//
// where section is one:
//
// epgsearchuservars
// epgsearchdirs
// epgsearchmenu
// epgsearchcats
//
// <setting> corresponds to the entries in the related conf files.
// ---------------------------
bool cConfDLoader::LoadFile(const char *FileName)
{
  if (FileName && access(FileName, F_OK) == 0) {
    LogFile.Log(1, "loading %s", FileName);
    FILE *f = fopen(FileName, "r");
    if (f) {
      char *s;
      int line = 0;
      cReadLine ReadLine;
      std::string section;
      while ((s = ReadLine.Read(f)) != NULL) {
	line++;
	char *p = strchr(s, '#');
	if (p)
	  *p = 0;
	stripspace(s);
	if (!isempty(s)) {
	  if (*s == '[' && *(s+strlen(s)-1)==']') // Section?
	    section = s;
	  else {
	    if (EqualsNoCase(section, "[epgsearchuservars]"))
	      cUserVarLine::Parse(s);
	    if (EqualsNoCase(section, "[epgsearchdirs]"))
	      {
		cDirExt* D = new cDirExt;
		if (D && D->Parse(s))
		  ConfDDirExts.Add(D);
		else
		  delete D;
	      }
	    if (EqualsNoCase(section, "[epgsearchmenu]"))
	      {
		cTemplLine T;
		if (T.Parse(s))
		  cTemplFile::Parse(T.Name(), T.Value());
	      }
	    if (EqualsNoCase(section, "[epgsearchcats]"))
	      {
		cSearchExtCat* cat = new cSearchExtCat;
		if (cat && cat->Parse(s))
		  SearchExtCats.Add(cat);
		else
		  delete cat;
	      }
	  }
	}
      }
      fclose(f);
    }
    return true;
  }
  else
    {
      LOG_ERROR_STR(FileName);
      return false;
    }
}