/**********************************************************************
 *
 * cfgread.cpp -- 
 * Copyright (C) 1999  The New Zealand Digital Library Project
 *
 * PUT COPYRIGHT NOTICE HERE
 *
 * $Id: cfgread.cpp 112 1999-01-12 01:51:06Z rjmcnab $
 *
 *********************************************************************/

/*
   $Log$
   Revision 1.3  1999/01/12 01:50:57  rjmcnab

   Standard header.

   Revision 1.2  1999/01/08 02:33:13  rjmcnab

   Added standard header to source files.

 */


#include "cfgread.h"


// returns 0 on success, -1 on failure
int read_cfg_line (ifstream &filein, text_tarray &values) {
  values.erase(values.begin(), values.end());

  if (!filein.good()) return -1;

  text_t curvalue;
  char c;

  int firstchar = 1;
  filein.get(c);
  while (!filein.eof()) {
    if (c == '#' && firstchar) {
      // found a comment, ignore the rest of the line
      while (!filein.eof() && c != '\n') {
	filein.get(c);
      }

    } else if (firstchar && (c == '\n' || c == ' ' || c == '\t')) {
      // found initial white space, ignore it

    } else if (c == '\n') {
      // found the end of an entry
      break;

    } else if (c == '\t') {
      // found a record separator
      values.push_back(curvalue);
      curvalue.clear();

    } else {
      curvalue.push_back(c);
      firstchar = 0;
    }

    filein.get(c);
  }

  values.push_back(curvalue);

  return 0;
}