haiku/headers/private/userlandfs/shared/DriverSettings.h
Ingo Weinhold 83812f6752 Copied userlandfs code from the test tree to the haiku source tree,
where it will be ported to Haiku.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@20216 a95241bf-73f2-0310-859d-f6bbb57e9c96
2007-02-24 00:30:19 +00:00

131 lines
3.3 KiB
C++

// DriverSettings.h
#ifndef USERLAND_FS_DRIVER_SETTINGS_H
#define USERLAND_FS_DRIVER_SETTINGS_H
struct driver_parameter;
struct driver_settings;
namespace UserlandFSUtil {
class DriverParameter;
class DriverParameterContainer;
// DriverParameterIterator
class DriverParameterIterator {
public:
DriverParameterIterator();
DriverParameterIterator(
const DriverParameterIterator& other);
~DriverParameterIterator();
bool HasNext() const;
bool GetNext(DriverParameter* parameter);
DriverParameterIterator& operator=(
const DriverParameterIterator& other);
private:
friend class DriverParameterContainer;
class Delegate;
DriverParameterIterator(Delegate* delegate);
void _SetTo(Delegate* delegate, bool addReference);
Delegate* fDelegate;
};
// DriverParameterContainer
class DriverParameterContainer {
public:
DriverParameterContainer();
virtual ~DriverParameterContainer();
int32 CountParameters() const;
const driver_parameter* GetParameters() const;
bool GetParameterAt(int32 index,
DriverParameter* parameter) const;
bool FindParameter(const char* name,
DriverParameter* parameter) const;
DriverParameterIterator GetParameterIterator() const;
DriverParameterIterator GetParameterIterator(
const char* name) const;
const char* GetParameterValue(const char* name,
const char* unknownValue = NULL,
const char* noValue = NULL) const;
bool GetBoolParameterValue(const char* name,
bool unknownValue = false,
bool noValue = false) const;
int32 GetInt32ParameterValue(const char* name,
int32 unknownValue = 0,
int32 noValue = 0) const;
int64 GetInt64ParameterValue(const char* name,
int64 unknownValue = 0,
int64 noValue = 0) const;
protected:
virtual const driver_parameter*
GetParametersAndCount(int32* count) const = 0;
private:
class Iterator;
class NameIterator;
};
// DriverSettings
class DriverSettings : public DriverParameterContainer {
public:
DriverSettings();
virtual ~DriverSettings();
status_t Load(const char* driverName);
void Unset();
protected:
virtual const driver_parameter*
GetParametersAndCount(int32* count) const;
private:
void* fSettingsHandle;
const driver_settings* fSettings;
};
// DriverParameter
class DriverParameter : public DriverParameterContainer {
public:
DriverParameter();
virtual ~DriverParameter();
void SetTo(const driver_parameter* parameter);
const char* GetName() const;
int32 CountValues() const;
const char* const* GetValues() const;
const char* ValueAt(int32 index,
const char* noValue = NULL) const;
bool BoolValueAt(int32 index,
bool noValue = false) const;
int32 Int32ValueAt(int32 index,
int32 noValue = 0) const;
int64 Int64ValueAt(int32 index,
int64 noValue = 0) const;
protected:
virtual const driver_parameter*
GetParametersAndCount(int32* count) const;
private:
const driver_parameter* fParameter;
};
} // namespace UserlandFSUtil
using UserlandFSUtil::DriverParameterIterator;
using UserlandFSUtil::DriverParameterContainer;
using UserlandFSUtil::DriverSettings;
using UserlandFSUtil::DriverParameter;
#endif // USERLAND_FS_DRIVER_SETTINGS_H