/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/***************************************************************************
 *            miav_config.h
 *
 *  Sat Feb 19 14:13:19 CET 2005
 *  Copyright  2005 Bent Bisballe
 *  deva@aasimon.org
 ****************************************************************************/

/*
 *    This file is part of MIaV.
 *
 *    MIaV 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.
 *
 *    MIaV 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 MIaV; if not, write to the Free Software
 *    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
 */
#ifndef __MIAV_MIAV_CONFIG_H__
#define __MIAV_MIAV_CONFIG_H__

#include <string>
using namespace std;

typedef enum {
  CONFIG_UNKNOWN,
  CONFIG_INT,
  CONFIG_BOOL,
  CONFIG_FLOAT,
  CONFIG_STRING
} ConfigType;


typedef struct __cfg {
  // For parsing
  char* orig;
  int line;
  char* left;
  char* right;

  // For traversal
  string *name;
  ConfigType type;
  int intval;
  bool boolval;
  float floatval;
  string *stringval;

  struct __cfg* next;
} _cfg;

class MiavConfig {
public:
  MiavConfig(); // Empty constructor for unit tests.
  MiavConfig(const char *file);
  ~MiavConfig();

  int readInt(const char *node);
  bool readBool(const char *node);
  string *readString(const char *node);
  float readFloat(const char *node);

protected:
  string filename;

  _cfg *createSemantics(_cfg *cfg);
  _cfg* readLines(char* raw);
  _cfg* parseLines(_cfg *cfg);
  _cfg *parse(char* raw);
  string emptyString;


#if 0
  _cfg *addConfig(_cfg *parent, char* conf);
  char *strip(char* conf);
#endif

  void parseError(const char* msg, _cfg *cfg);
  _cfg *findNode(const char* node);
  _cfg *configs;
};

extern MiavConfig *config;

#endif/*__MIAV_MIAV_CONFIG_H__*/