source: trunk/gsdl/src/recpt/recptconfig.cpp@ 1233

/**********************************************************************
 *
 * recptconfig.cpp -- 
 * Copyright (C) 1999  The New Zealand Digital Library Project
 *
 * A component of the Greenstone digital library software
 * from the New Zealand Digital Library Project at the
 * University of Waikato, New Zealand.
 *
 * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 * $Id: recptconfig.cpp 1170 2000-05-12 03:09:27Z sjboddie $
 *
 *********************************************************************/

/*
   $Log$
   Revision 1.9  2000/05/12 03:09:24  sjboddie
   minor modifications to get web library compiling under VC++ 6.0

   Revision 1.8  2000/04/14 03:10:35  sjboddie
   tidied up a few issues concerning the new debug info which showed
   up on windows

   Revision 1.7  2000/04/14 02:52:06  sjboddie
   tidied up error messaging and set up some debugging info to be output
   when running library from command line

   Revision 1.6  2000/02/21 21:55:33  sjboddie
   gsdlhome now comes from gsdlsite.cfg

   Revision 1.5  1999/09/07 04:56:59  sjboddie
   added GPL notice

   Revision 1.4  1999/09/07 00:09:31  sjboddie
   now reads in both main.cfg and collect.cfg always

   Revision 1.3  1999/02/21 22:33:57  rjmcnab

   Lots of stuff :-)

   Revision 1.2  1999/02/08 01:28:04  rjmcnab

   Got the receptionist producing something using the statusaction.

   Revision 1.1  1999/02/05 06:50:32  rjmcnab

   Initial revision.

 */


#include "recptconfig.h"
#include "fileutil.h"
#include "cfgread.h"


#if defined(GSDL_USE_OBJECTSPACE)
#  include <ospace/std/iostream>
#  include <ospace/std/fstream>
#elif defined(GSDL_USE_IOS_H)
#  include <iostream.h>
#  include <fstream.h>
#else
#  include <iostream>
#  include <fstream>
#endif


// reads site configuration file returning true on success
// also sets gsdlhome and maxrequests 
// gsdlsite.cfg should be in same directory as library executable
bool site_cfg_read (receptionist &recpt, text_t &gsdlhome, int &maxrequests) {

  gsdlhome.clear();

  // Look for gsdlsite.cfg in same directory that executable is in.
  text_tarray cfgline;
  text_t key;

#ifdef GSDL_USE_IOS_H
  ifstream confin ("gsdlsite.cfg", ios::in | ios::nocreate);
#else
  ifstream confin ("gsdlsite.cfg", ios::in);
#endif

  if (confin) {
    while (read_cfg_line(confin, cfgline) >= 0) {
      if (cfgline.size () >= 2) {
    key = cfgline[0];
    cfgline.erase(cfgline.begin());
    
    if (key == "maxrequests") {
      maxrequests = cfgline[0].getint();
      if (maxrequests < 1) maxrequests = 1;
    }

    if (key == "gsdlhome")
      gsdlhome = cfgline[0];

    // configure the receptionist
    recpt.configure (key, cfgline);
      }
    }
    confin.close ();
    return true;
  }
  return false;
}

// this version just grabs gsdlhome, returning true
// unless unable to read gsdlsite.cfg
bool site_cfg_read (text_t &gsdlhome) {

  gsdlhome.clear();

  // Look for gsdlsite.cfg in same directory that executable is in.
  text_tarray cfgline;
  text_t key;

#ifdef GSDL_USE_IOS_H
  ifstream confin ("gsdlsite.cfg", ios::in | ios::nocreate);
#else
  ifstream confin ("gsdlsite.cfg", ios::in);
#endif

  if (confin) {
    while (read_cfg_line(confin, cfgline) >= 0) {
      if (cfgline.size () >= 2) {
    if (cfgline[0] == "gsdlhome") {
      gsdlhome = cfgline[1];
      break;
    }
      }
    }
    return true;
    confin.close ();
  }
  return false;
}

// main_cfg_read reads both main.cfg and collect.cfg. It attempts
// to read main.cfg first so values in collect.cfg override those
// set earlier by main.cfg
bool main_cfg_read (receptionist &recpt, const text_t &gsdlhome,
             const text_t &collection) {

  // read in the main configuration file
  bool rv = false;
  text_t key, filename;
  text_tarray cfgline;
  filename = filename_cat (gsdlhome, "etc");
  filename = filename_cat (filename, "main.cfg");
  if (file_exists (filename)) {
    char *cstr = filename.getcstr();
    
#ifdef GSDL_USE_IOS_H
    ifstream confin (cstr, ios::in | ios::nocreate);
#else
    ifstream confin (cstr, ios::in);
#endif

    delete cstr;
  
    if (confin) {
      while (read_cfg_line(confin, cfgline) >= 0) {
    if (cfgline.size () >= 2) {
      key = cfgline[0];
      cfgline.erase(cfgline.begin());
    
      // configure the receptionist
      recpt.configure (key, cfgline);
    }
      }
      confin.close ();
      rv = true;
    }
  }
  
  // Look for collect.cfg in GSDLHOME/collect/collection-name/etc directory 
  // (if this is for a particular collection), and then GSDLHOME/etc.
  if (!collection.empty()) {
    filename = filename_cat (gsdlhome, "collect");
    filename = filename_cat (filename, collection);
    filename = filename_cat (filename, "etc");
    filename = filename_cat (filename, "collect.cfg");
    if (!file_exists (filename)) {
      filename = filename_cat (gsdlhome, "etc");
      filename = filename_cat (filename, "collect.cfg");
      if (!file_exists (filename)) filename.clear();
    }

    if (!filename.empty()) {
      char *cstr = filename.getcstr();

#ifdef GSDL_USE_IOS_H
      ifstream confin (cstr, ios::in | ios::nocreate);
#else
      ifstream confin (cstr, ios::in);
#endif
      
      delete cstr;
      
      if (confin) {
    while (read_cfg_line(confin, cfgline) >= 0) {
      if (cfgline.size () >= 2) {
        key = cfgline[0];
        cfgline.erase(cfgline.begin());
        
        // configure the receptionist
        recpt.configure (key, cfgline);
      }
    }
    confin.close ();
    rv = true;
      }
    }
  }
  return rv;
}