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