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/*
core/cvar.h
This file is part of the Osirion project and is distributed under
the terms of the GNU General Public License version 2
*/
#ifndef __INCLUDED_CORE_CVAR_H__
#define __INCLUDED_CORE_CVAR_H__
#include <string>
#include <map>
namespace core
{
/// the cvar container class
class Cvar_t
{
public:
Cvar_t(unsigned int cvflags = 0);
Cvar_t &operator=(const char *other);
Cvar_t &operator=(const std::string &other);
Cvar_t &operator=(int other);
Cvar_t &operator=(float other);
unsigned int flags() const;
float value() const;
const std::string &text() const;
private:
std::string cvar_text;
float cvar_value;
unsigned int cvar_flags;
};
/// general cvar type
typedef Cvar_t *Cvar;
/// the cvar registry
namespace cvar
{
/// cvar flags
enum Flags {Archive=2, ReadOnly=4};
/// get a cvar value from the registry
/** If the a cvar with the given name already exists in the registry,
* its value will not be changed. If the cvar does not exist,
* it will be created
*/
Cvar get(const char *name, const char *value, int flags=0);
/// get a cvar value from the registry
/** If the a cvar with the given name already exists in the registry,
* its value will not be changed. If the cvar does not exist,
* it will be created
*/
Cvar get(const char *name, float value, int flags=0);
/// set a cvar value
/** If the a cvar with the given name already exists in the registry,
* its value will be replaced
*/
Cvar set(const char *name, const char *value, int flags=0);
/// set a cvar value
/** If the a cvar with the given name already exists in the registry,
* its value will be replaced
*/
Cvar set(const char *name, float value, int flags=0);
/// delete a cvar from the registry
void unset(const char *name);
/// delete a cvar from the registry
void unset(const std::string &name);
/// search for a named cvar, returns 0 if not found
Cvar find(const std::string &name);
/// search for a named cvar, returns 0 if not found
Cvar find(const char *name);
/// list the cvar registry
void list();
/// the Cvar registry
extern std::map<std::string, Cvar> registry;
} // namespace cvar
} // namespace core
#endif // __INCLUDED_CORE_CVAR_H__
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