Base class for storing metadata information in a grid. More...

#include <openvdb/Metadata.h>

Inherited by DelayedLoadMetadata, TypedMetadata< T >, and UnknownMetadata.

Public Types
using	Ptr = SharedPtr< Metadata >

using	ConstPtr = SharedPtr< const Metadata >

Public Member Functions
	Metadata ()

virtual	~Metadata ()

	Metadata (const Metadata &)=delete

Metadata &	operator= (const Metadata &)=delete

virtual Name	typeName () const =0
	Return the type name of the metadata. More...

virtual Metadata::Ptr	copy () const =0
	Return a copy of the metadata. More...

virtual void	copy (const Metadata &other)=0
	Copy the given metadata into this metadata. More...

virtual std::string	str () const =0
	Return a textual representation of this metadata. More...

virtual bool	asBool () const =0

bool	operator== (const Metadata &other) const
	Return `true` if the given metadata is equivalent to this metadata. More...

bool	operator!= (const Metadata &other) const
	Return `true` if the given metadata is different from this metadata. More...

virtual Index32	size () const =0
	Return the size of this metadata in bytes. More...

void	read (std::istream &)
	Unserialize this metadata from a stream. More...

void	write (std::ostream &) const
	Serialize this metadata to a stream. More...

Static Public Member Functions
static Metadata::Ptr	createMetadata (const Name &typeName)
	Create new metadata of the given type. More...

static bool	isRegisteredType (const Name &typeName)
	Return `true` if the given type is known by the metadata type registry. More...

static void	clearRegistry ()
	Clear out the metadata registry. More...

static void	registerType (const Name &typeName, Metadata::Ptr(*createMetadata)())
	Register the given metadata type along with a factory function. More...

static void	unregisterType (const Name &typeName)

Protected Member Functions
void	writeSize (std::ostream &) const
	Write the size of the metadata to a stream. More...

virtual void	readValue (std::istream &, Index32 numBytes)=0
	Read the metadata from a stream. More...

virtual void	writeValue (std::ostream &) const =0
	Write the metadata to a stream. More...

Static Protected Member Functions
static Index32	readSize (std::istream &)
	Read the size of the metadata from a stream. More...

Detailed Description

Base class for storing metadata information in a grid.

Member Typedef Documentation

using ConstPtr = SharedPtr<const Metadata>

using Ptr = SharedPtr<Metadata>

Constructor & Destructor Documentation

Metadata ( )

inline

virtual ~Metadata ( )

inlinevirtual

Metadata ( const Metadata & )

delete

Member Function Documentation

virtual bool asBool ( ) const

pure virtual

Return the boolean representation of this metadata (empty strings and zeroVals evaluate to false; most other values evaluate to true).

Implemented in TypedMetadata< T >, UnknownMetadata, and DelayedLoadMetadata.

static void clearRegistry ( )

static

Clear out the metadata registry.

virtual Metadata::Ptr copy ( ) const

pure virtual

Return a copy of the metadata.

Implemented in TypedMetadata< T >, UnknownMetadata, and DelayedLoadMetadata.

virtual void copy ( const Metadata & other )

pure virtual

Copy the given metadata into this metadata.

Implemented in TypedMetadata< T >, UnknownMetadata, and DelayedLoadMetadata.

static Metadata::Ptr createMetadata ( const Name & typeName )

static

Create new metadata of the given type.

static bool isRegisteredType ( const Name & typeName )

static

Return true if the given type is known by the metadata type registry.

bool operator!= ( const Metadata & other ) const

inline

Return true if the given metadata is different from this metadata.

Metadata& operator= ( const Metadata & )

delete

bool operator== ( const Metadata & other ) const

Return true if the given metadata is equivalent to this metadata.

void read ( std::istream & is )

inline

Unserialize this metadata from a stream.

Index32 readSize ( std::istream & is )

inlinestaticprotected

Read the size of the metadata from a stream.

virtual void readValue	(	std::istream &	,
		Index32	numBytes
	)

protectedpure virtual

Read the metadata from a stream.

Implemented in TypedMetadata< T >, UnknownMetadata, and DelayedLoadMetadata.

static void registerType	(	const Name &	typeName,
		Metadata::Ptr(*)()	createMetadata
	)

static

Register the given metadata type along with a factory function.

virtual Index32 size ( ) const

pure virtual

Return the size of this metadata in bytes.

Implemented in TypedMetadata< T >, UnknownMetadata, and DelayedLoadMetadata.

virtual std::string str ( ) const

pure virtual

Return a textual representation of this metadata.

Implemented in TypedMetadata< T >, TypedMetadata< T >, UnknownMetadata, and DelayedLoadMetadata.

virtual Name typeName ( ) const

pure virtual

Return the type name of the metadata.

Implemented in TypedMetadata< T >, UnknownMetadata, and DelayedLoadMetadata.

static void unregisterType ( const Name & typeName )

static

void write ( std::ostream & os ) const

inline

Serialize this metadata to a stream.

void writeSize ( std::ostream & os ) const

inlineprotected

Write the size of the metadata to a stream.

virtual void writeValue ( std::ostream & ) const

protectedpure virtual

Write the metadata to a stream.

Implemented in TypedMetadata< T >, UnknownMetadata, and DelayedLoadMetadata.

Public Types

Public Member Functions

Static Public Member Functions

Protected Member Functions

Static Protected Member Functions

Detailed Description

Member Typedef Documentation

Constructor & Destructor Documentation

Member Function Documentation