config.h

sip 开源代码 源于novell sip 开源代码 源于novell

/**
 *  Copyright (C) 2005 Savoir-Faire Linux inc.
 *  Author: Yan Morin <[e-mail]>
 *
 *  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.
 */

#ifndef __CONFIG_CONFIG_H_
#define __CONFIG_CONFIG_H_

#include <map>
#include <string>
#include <list>

namespace Conf {

class ConfigTreeItem;
typedef std::map<std::string, ConfigTreeItem> ItemMap;
typedef std::map<std::string, ItemMap*> SectionMap;
typedef std::map<std::string, std::string> ValuesMap;
typedef std::list<std::string> TokenList;

class ConfigTreeItemException {
public:
  ConfigTreeItemException() {}
  ~ConfigTreeItemException() {}
};

class ConfigTree;
class ConfigTreeIterator 
{
public:
  TokenList begin();
  const TokenList& end() const { return _endToken; }
  TokenList next();
  
private:
  friend class ConfigTree;
  ConfigTreeIterator(ConfigTree *configTree) : _tree(configTree) {}

  ConfigTree* _tree;
  TokenList _endToken;
  SectionMap::iterator _iter;
  ItemMap::iterator _iterItem;
};

class ConfigTree {
public:
  ConfigTree();
  ~ConfigTree();

  void createSection(const std::string& section);
  void addConfigTreeItem(const std::string& section, const ConfigTreeItem item);
  bool setConfigTreeItem(const std::string& section, const std::string& itemName, const std::string& value);

  // throw a ConfigTreeItemException if not found
  std::string getConfigTreeItemValue(const std::string& section, const std::string& itemName);
  int getConfigTreeItemIntValue(const std::string& section, const std::string& itemName);
  bool saveConfigTree(const std::string& fileName);
  int  populateFromFile(const std::string& fileName);
  TokenList getSectionNames();
  ValuesMap getSection(const std::string& section);

  bool getConfigTreeItemToken(const std::string& section, const std::string& itemName, TokenList& arg);

private:
  ConfigTreeItem* getConfigTreeItem(const std::string& section, const std::string& itemName);

  SectionMap _sections;
  friend class ConfigTreeIterator;

public:
  ConfigTreeIterator createIterator() {
    return ConfigTreeIterator(this);
  }
};

class ConfigTreeItem {
public:
  ConfigTreeItem() : _defaultValue(""), _type("string") {}
  // defaultvalue = value
  ConfigTreeItem(const std::string& name, const std::string& value, const std::string& type) : 
    _name(name), _value(value), 
    _defaultValue(value), _type(type) {}
  ConfigTreeItem(const std::string& name, const std::string& value, const std::string& defaultValue, const std::string& type) : 
    _name(name), _value(value), 
    _defaultValue(defaultValue), _type(type) {}
  ~ConfigTreeItem() {}

  void setValue(const std::string& value) { _value = value; }
  const std::string getName() const { return _name; }
  const std::string getValue() const  { return _value; }
  const std::string getDefaultValue() const  { return _defaultValue; }
  const std::string getType() const  { return _type; }

private:
  std::string _name;
  std::string _value;
  std::string _defaultValue;
  std::string _type;
};

} // end namespace ConfigTree

#endif