IniFile Read Write

#include <boost/shared_ptr.hpp>

#include <QSettings>

class IniFile

{

public:

	explicit IniFile(const char * path):m_path(path){}

	~IniFile(){};

	QString GetPath() const {return m_path;}

	void SetPath(const char * path) {if(m_path != path) m_path = path;}

	QString GetValue(const char * key)

	{

		if(key == NULL)

		{

			return QString();

		}

		if(m_pSetting == NULL)

		{

			// create setting failed

			if(CreateSetting() != 0)

			{

				return QString();

			}

		}

		return m_pSetting->value(key).toString();

	}

	int SetValue(const char *  key, const char *  value)

	{

		if(key == NULL)

		{

			return  -1;

		}

		if(m_pSetting == NULL)

		{

			if(CreateSetting() != 0)

			{

				return -1;

			}

		}

		m_pSetting->setValue(key, value);

		return 0;

	}

	int Remove(const char * key)

	{

		if(key == NULL) 

		{

			return -1;

		}

		if(m_pSetting == NULL)

		{

			// create setting failed

			if(CreateSetting() != 0)

			{

				return -1;

			}

		}

		this->m_pSetting->remove(key);

		return 0;

	}

protected:

	int CreateSetting()

	{

		if(m_path == NULL)

		{

			return -1;

		}

		m_pSetting.reset(new QSettings(m_path, QSettings::IniFormat));

		return 0;

	}

private:

	const char * m_path;

	boost::shared_ptr<QSettings> m_pSetting;

};