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/*! \file mg_filters.h
* \brief Top level access to media in vdr plugin muggle
* for the vdr muggle plugindatabase
*
* \version $Revision: 1.2 $
* \date $Date$
* \author Ralf Klueber, Lars von Wedel, Andreas Kellner
* \author file owner: $Author$
*/
#ifndef _MG_FILTERS_H
#define _MG_FILTERS_H
#include <string>
#include <vector>
/*!
* \brief abstract base class for representation of filter values with boundaries
*/
class mgFilter
{
public:
typedef enum filterType
{
UNDEF = 0,
INT,
STRING,
BOOL,
CHOICE
} filterType;
protected:
filterType m_type;
char* m_name;
public:
mgFilter(const char* name);
virtual ~mgFilter();
filterType getType();
const char* getName();
virtual std::string getStrVal() = 0;
virtual int getIntVal()
{ return 0; }
virtual void store() = 0;
virtual void restore() = 0;
virtual void clear() = 0;
virtual bool isSet() = 0;
};
/*!
* \class mgFilterInt
*/
class mgFilterInt : public mgFilter
{
private:
int m_min;
int m_max;
int m_stored_val;
int m_default_val;
public:
int m_intval;
mgFilterInt(const char *name, int value, int min = 0, int max = 9999);
virtual ~mgFilterInt();
int getVal();
int getMin();
int getMax();
virtual std::string getStrVal();
virtual int getIntVal();
virtual void store();
virtual void restore();
virtual void clear();
virtual bool isSet();
};
/*!
* \class mgFilterString
*/
class mgFilterString : public mgFilter
{
private:
std::string m_allowedchar;
int m_maxlen;
char* m_stored_val;
char* m_default_val;
public:
char* m_strval;
mgFilterString(const char *name, const char* value, int maxlen=255,
std::string allowedchar="abcdefghijklmnopqrstuvwxyz0123456789-");
virtual ~mgFilterString();
int getMaxLength();
std::string getAllowedChars();
virtual std::string getStrVal();
virtual void store();
virtual void restore();
virtual void clear();
virtual bool isSet();
};
/*!
* \class mgFilterBool
*/
class mgFilterBool : public mgFilter
{
private:
std::string m_truestr;
std::string m_falsestr;
bool m_stored_val;
bool m_default_val;
public:
int m_bval;
mgFilterBool(const char *name, bool value,
std::string truestr="yes", std::string falsestr="no");
virtual ~mgFilterBool();
virtual std::string getStrVal();
virtual int getIntVal();
std::string getTrueString();
std::string getFalseString();
bool getVal();
virtual void store();
virtual void restore();
virtual void clear();
virtual bool isSet();
};
/*!
* \class mgFilterChoice
*/
class mgFilterChoice : public mgFilter
{
private:
std::vector<std::string> m_choices;
int m_stored_val;
int m_default_val;
public:
int m_selval; // index of the currently selected item
mgFilterChoice(const char *name, int val, std::vector<std::string> *choices);
virtual ~mgFilterChoice();
virtual std::string getStrVal();
virtual std::vector<std::string> &getChoices();
virtual void store();
virtual void restore();
virtual void clear();
virtual bool isSet();
};
#endif
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