YARP
Yet Another Robot Platform
yarp::os::impl::StoreNull Class Reference

An empty item. More...

#include <yarp/os/impl/Storable.h>

+ Inheritance diagram for yarp::os::impl::StoreNull:

Detailed Description

An empty item.

Definition at line 285 of file Storable.h.

Public Member Functions

 StoreNull ()=default
 
StorablecreateStorable () const override
 Factory method. More...
 
void copy (const Storable &alt) override
 Become a copy of the passed item. More...
 
std::string toString () const override
 Return a standard text representation of the content of the object. More...
 
void fromString (const std::string &src) override
 Initialize from a string representation, assuming that any syntax around this representation such as braces or parentheses has already been consumed. More...
 
std::int32_t getCode () const override
 Get standard type code of value. More...
 
bool readRaw (ConnectionReader &connection) override
 
bool writeRaw (ConnectionWriter &connection) const override
 
bool isNull () const override
 Checks if the object is invalid. More...
 
- Public Member Functions inherited from yarp::os::impl::Storable
virtual ~Storable ()
 Destructor. More...
 
virtual StorablecloneStorable () const
 Typed synonym for clone() More...
 
bool operator== (const yarp::os::Value &alt) const
 
yarp::os::Valuecreate () const override
 Create a new value of the same type. More...
 
yarp::os::Valueclone () const override
 Create a copy of the value. More...
 
bool read (ConnectionReader &connection) override
 Read this object from a network connection. More...
 
bool write (ConnectionWriter &connection) const override
 Write this object to a network connection. More...
 
bool isBool () const override
 Checks if value is a boolean. More...
 
bool asBool () const override
 Get boolean value. More...
 
bool isInt8 () const override
 Checks if value is a 8-bit integer. More...
 
std::int8_t asInt8 () const override
 Get 8-bit integer value. More...
 
bool isInt16 () const override
 Checks if value is a 16-bit integer. More...
 
std::int16_t asInt16 () const override
 Get 16-bit integer value. More...
 
bool isInt32 () const override
 Checks if value is a 32-bit integer. More...
 
std::int32_t asInt32 () const override
 Get 32-bit integer value. More...
 
bool isInt64 () const override
 Checks if value is a 64-bit integer. More...
 
std::int64_t asInt64 () const override
 Get 64-bit integer value. More...
 
bool isFloat32 () const override
 Checks if value is a 32-bit floating point number. More...
 
yarp::conf::float32_t asFloat32 () const override
 Get 32-bit floating point value. More...
 
bool isFloat64 () const override
 Checks if value is a 64-bit floating point number. More...
 
yarp::conf::float64_t asFloat64 () const override
 Get 64-bit floating point value. More...
 
bool isString () const override
 Checks if value is a string. More...
 
std::string asString () const override
 Get string value. More...
 
bool isList () const override
 Checks if value is a list. More...
 
yarp::os::BottleasList () const override
 Get list value. More...
 
bool isDict () const override
 Checks if value is a dictionary. More...
 
yarp::os::PropertyasDict () const override
 Get dictionary (hash table) value. More...
 
bool isVocab () const override
 Checks if value is a vocabulary identifier. More...
 
std::int32_t asVocab () const override
 Get vocabulary identifier as an integer. More...
 
bool isBlob () const override
 Checks if value is a binary object. More...
 
const char * asBlob () const override
 Get binary data value. More...
 
size_t asBlobLength () const override
 Get binary data length. More...
 
SearchableasSearchable () const override
 Get dictionary or list value. More...
 
bool check (const std::string &key) const override
 Check if there exists a property of the given name. More...
 
yarp::os::Valuefind (const std::string &key) const override
 Gets a value corresponding to a given keyword. More...
 
yarp::os::BottlefindGroup (const std::string &key) const override
 Gets a list corresponding to a given keyword. More...
 
virtual void fromStringNested (const std::string &src)
 Initialize from a string representation. More...
 
virtual std::string toStringNested () const
 Create string representation, including any syntax that should wrap it such as braces or parentheses. More...
 
virtual std::int32_t subCode () const
 Return a code describing this item, used in serializing bottles. More...
 
bool isLeaf () const override
 
- Public Member Functions inherited from yarp::os::Value
 Value ()
 Construct a list Value. More...
 
 Value (std::int32_t x, bool isVocab=false)
 Construct an integer Value. More...
 
 Value (yarp::conf::float64_t x)
 Construct a floating point Value. More...
 
 Value (const std::string &str, bool isVocab=false)
 Construct a string Value. More...
 
 Value (void *data, int length)
 Construct a binary data Value. More...
 
 Value (const Value &alt)
 Copy constructor. More...
 
const Valueoperator= (const Value &alt)
 Assignment operator. More...
 
virtual ~Value ()
 Destructor. More...
 
virtual bool isInt () const final
 Checks if value is an integer. More...
 
virtual bool isDouble () const final
 Checks if value is a floating point number. More...
 
virtual int asInt () const final
 Get integer value. More...
 
virtual double asDouble () const final
 Get floating point value. More...
 
bool read (ConnectionReader &connection) override
 Read this object from a network connection. More...
 
bool write (ConnectionWriter &connection) const override
 Write this object to a network connection. More...
 
bool check (const std::string &key) const override
 Check if there exists a property of the given name. More...
 
Valuefind (const std::string &key) const override
 Gets a value corresponding to a given keyword. More...
 
BottlefindGroup (const std::string &key) const override
 Gets a list corresponding to a given keyword. More...
 
bool operator== (const Value &alt) const
 Equality test. More...
 
bool operator!= (const Value &alt) const
 Inequality test. More...
 
void fromString (const char *str)
 Set value to correspond to a textual representation. More...
 
std::string toString () const override
 Return a standard text representation of the content of the object. More...
 
bool isNull () const override
 Checks if the object is invalid. More...
 
- Public Member Functions inherited from yarp::os::Portable
virtual Type getType () const
 
- Public Member Functions inherited from yarp::os::PortReader
virtual ~PortReader ()
 Destructor. More...
 
virtual Type getReadType () const
 
- Public Member Functions inherited from yarp::os::PortWriter
virtual ~PortWriter ()
 Destructor. More...
 
virtual void onCompletion () const
 This is called when the port has finished all writing operations. More...
 
virtual void onCommencement () const
 This is called when the port is about to begin writing operations. More...
 
virtual yarp::os::Type getWriteType () const
 
- Public Member Functions inherited from yarp::os::Searchable
 Searchable ()
 Default constructor. More...
 
virtual ~Searchable ()
 Destructor. More...
 
virtual bool check (const std::string &key, const std::string &comment) const
 Check if there exists a property of the given name. More...
 
BottlefindGroup (const std::string &key, const std::string &comment) const
 Gets a list corresponding to a given keyword. More...
 
virtual bool check (const std::string &key, Value *&result, const std::string &comment="") const
 Gets a value corresponding to a given keyword. More...
 
virtual Value check (const std::string &key, const Value &fallback, const std::string &comment="") const
 Gets a value corresponding to a given keyword. More...
 

Additional Inherited Members

- Static Public Member Functions inherited from yarp::os::impl::Storable
static StorablecreateByCode (std::int32_t id)
 
- Static Public Member Functions inherited from yarp::os::Value
static ValuemakeInt (int x)
 Create an integer Value. More...
 
static ValuemakeInt8 (std::int8_t x)
 Create a 8-bit integer Value. More...
 
static ValuemakeInt16 (std::int16_t x)
 Create a 16-bit integer Value. More...
 
static ValuemakeInt32 (std::int32_t x)
 Create a 32-bit integer Value. More...
 
static ValuemakeInt64 (std::int64_t x)
 Create a 64-bit integer Value. More...
 
static ValuemakeDouble (double x)
 Create a floating point Value. More...
 
static ValuemakeFloat32 (yarp::conf::float32_t x)
 Create a 32-bit floating point Value. More...
 
static ValuemakeFloat64 (yarp::conf::float64_t x)
 Create a 64-bit floating point Value. More...
 
static ValuemakeString (const std::string &str)
 Create a string Value. More...
 
static ValuemakeVocab (std::int32_t v)
 Create a vocabulary identifier Value. More...
 
static ValuemakeVocab (const std::string &str)
 Create a vocabulary identifier Value. More...
 
static ValuemakeBlob (void *data, int length)
 Create a Value containing binary data. More...
 
static ValuemakeList ()
 Create a list Value. More...
 
static ValuemakeList (const char *txt)
 Create a list Value and initialize it. More...
 
static ValuemakeValue (const std::string &txt)
 Create a Value from a text description. More...
 
static ValuegetNullValue ()
 Return an invalid, "null" Value. More...
 
- Static Public Member Functions inherited from yarp::os::Portable
static bool copyPortable (PortWriter &writer, PortReader &reader)
 Copy one portable to another, via writing and reading. More...
 

Constructor & Destructor Documentation

◆ StoreNull()

yarp::os::impl::StoreNull::StoreNull ( )
default

Member Function Documentation

◆ copy()

void yarp::os::impl::StoreNull::copy ( const Storable alt)
inlineoverridevirtual

Become a copy of the passed item.

Implements yarp::os::impl::Storable.

Definition at line 296 of file Storable.h.

◆ createStorable()

Storable* yarp::os::impl::StoreNull::createStorable ( ) const
inlineoverridevirtual

Factory method.

Implements yarp::os::impl::Storable.

Definition at line 291 of file Storable.h.

◆ fromString()

void yarp::os::impl::StoreNull::fromString ( const std::string &  src)
inlineoverridevirtual

Initialize from a string representation, assuming that any syntax around this representation such as braces or parentheses has already been consumed.

Implements yarp::os::impl::Storable.

Definition at line 306 of file Storable.h.

◆ getCode()

std::int32_t yarp::os::impl::StoreNull::getCode ( ) const
inlineoverridevirtual

Get standard type code of value.

Returns
the standard type code of the value.

Reimplemented from yarp::os::Value.

Definition at line 311 of file Storable.h.

◆ isNull()

bool yarp::os::impl::StoreNull::isNull ( ) const
inlineoverridevirtual

Checks if the object is invalid.

Returns
True if the object is invalid or "null".

Reimplemented from yarp::os::impl::Storable.

Definition at line 328 of file Storable.h.

◆ readRaw()

bool yarp::os::impl::StoreNull::readRaw ( ConnectionReader connection)
inlineoverridevirtual

Implements yarp::os::impl::Storable.

Definition at line 316 of file Storable.h.

◆ toString()

std::string yarp::os::impl::StoreNull::toString ( ) const
inlineoverridevirtual

Return a standard text representation of the content of the object.

The representation is readable by the Bottle and Property classes.

Returns
A standard text representation of the content of the object.

Implements yarp::os::impl::Storable.

Definition at line 301 of file Storable.h.

◆ writeRaw()

bool yarp::os::impl::StoreNull::writeRaw ( ConnectionWriter connection) const
inlineoverridevirtual

Implements yarp::os::impl::Storable.

Definition at line 322 of file Storable.h.


The documentation for this class was generated from the following file: