Kea 2.5.8
isc::data::ListElement Class Reference

#include <data.h>

+ Inheritance diagram for isc::data::ListElement:

Public Member Functions

 ListElement (const Position &pos=ZERO_POSITION())
 
void add (ElementPtr e)
 Adds an ElementPtr to the list.
 
bool empty () const
 Return true if there are no elements in the list.
 
bool equals (const Element &other) const
 
virtual ConstElementPtr get (const int i) const
 Returns the ElementPtr at the given index.
 
virtual ConstElementPtr get (const std::string &name) const
 Returns the ElementPtr at the given key.
 
ConstElementPtr get (int i) const
 Returns the ElementPtr at the given index.
 
ElementPtr getNonConst (int i) const
 returns element as non-const pointer
 
virtual bool getValue (bool &t) const
 
virtual bool getValue (double &t) const
 
virtual bool getValue (int64_t &t) const
 
virtual bool getValue (std::map< std::string, ConstElementPtr > &t) const
 
virtual bool getValue (std::string &t) const
 
virtual bool getValue (std::vector< ElementPtr > &t) const
 
bool getValue (std::vector< ElementPtr > &t) const
 
const std::vector< ElementPtr > & listValue () const
 
virtual void remove (const int i)
 Removes the element at the given position.
 
virtual void remove (const std::string &name)
 Remove the ElementPtr at the given key.
 
void remove (int i)
 Removes the element at the given position.
 
virtual void set (const size_t i, ElementPtr element)
 Sets the ElementPtr at the given index.
 
virtual void set (const std::string &name, ConstElementPtr element)
 Sets the ElementPtr at the given key.
 
void set (size_t i, ElementPtr e)
 Sets the ElementPtr at the given index.
 
virtual bool setValue (const bool t)
 
virtual bool setValue (const double v)
 
bool setValue (const int i)
 
virtual bool setValue (const isc::util::int128_t &v)
 
bool setValue (const long int i)
 
virtual bool setValue (const long long int v)
 
virtual bool setValue (const std::map< std::string, ConstElementPtr > &v)
 
virtual bool setValue (const std::string &v)
 
virtual bool setValue (const std::vector< ElementPtr > &v)
 
bool setValue (const std::vector< ElementPtr > &v)
 
size_t size () const
 Returns the number of elements in the list.
 
void sort (std::string const &index=std::string())
 Sorts the elements inside the list.
 
void toJSON (std::ostream &ss) const
 Converts the Element to JSON format and appends it to the given stringstream.
 
- Public Member Functions inherited from isc::data::Element
virtual ~Element ()
 
const PositiongetPosition () const
 Returns position where the data element's value starts in a configuration string.
 
types getType () const
 
std::string str () const
 Returns a string representing the Element and all its child elements; note that this is different from stringValue(), which only returns the single value of a StringElement.
 
std::string toWire () const
 Returns the wireformat for the Element and all its child elements.
 
void toWire (std::ostream &out) const
 
virtual int64_t intValue () const
 
virtual isc::util::int128_t bigIntValue () const
 
virtual double doubleValue () const
 
virtual bool boolValue () const
 
virtual std::string stringValue () const
 
virtual const std::map< std::string, ConstElementPtr > & mapValue () const
 
bool setValue (const long int i)
 
bool setValue (const int i)
 
virtual bool contains (const std::string &name) const
 Checks if there is data at the given key.
 
virtual ConstElementPtr find (const std::string &identifier) const
 Recursively finds any data at the given identifier.
 
virtual bool find (const std::string &identifier, ConstElementPtr &t) const
 See Element::find()
 
void removeEmptyContainersRecursively ()
 Remove all empty maps and lists from this Element and its descendants.
 

Additional Inherited Members

- Public Types inherited from isc::data::Element
enum  types {
  integer = 0 , real = 1 , boolean = 2 , null = 3 ,
  string = 4 , bigint = 5 , list = 6 , map = 7 ,
  any = 8
}
 The types that an Element can hold. More...
 
- Static Public Member Functions inherited from isc::data::Element
static const PositionZERO_POSITION ()
 Returns Position object with line_ and pos_ set to 0, and with an empty file name.
 
static ElementPtr create (const Position &pos=ZERO_POSITION())
 
static ElementPtr create (const long long int i, const Position &pos=ZERO_POSITION())
 
static ElementPtr create (const isc::util::int128_t &i, const Position &pos=ZERO_POSITION())
 
static ElementPtr create (const int i, const Position &pos=ZERO_POSITION())
 
static ElementPtr create (const long int i, const Position &pos=ZERO_POSITION())
 
static ElementPtr create (const uint32_t i, const Position &pos=ZERO_POSITION())
 
static ElementPtr create (const double d, const Position &pos=ZERO_POSITION())
 
static ElementPtr create (const bool b, const Position &pos=ZERO_POSITION())
 
static ElementPtr create (const std::string &s, const Position &pos=ZERO_POSITION())
 
static ElementPtr create (const char *s, const Position &pos=ZERO_POSITION())
 
static ElementPtr createList (const Position &pos=ZERO_POSITION())
 Creates an empty ListElement type ElementPtr.
 
static ElementPtr createMap (const Position &pos=ZERO_POSITION())
 Creates an empty MapElement type ElementPtr.
 
static ElementPtr fromJSON (const std::string &in, bool preproc=false)
 These functions will parse the given string (JSON) representation of a compound element.
 
static ElementPtr fromJSON (std::istream &in, bool preproc=false)
 Creates an Element from the given input stream containing JSON formatted data.
 
static ElementPtr fromJSON (std::istream &in, const std::string &file_name, bool preproc=false)
 Creates an Element from the given input stream containing JSON formatted data.
 
static ElementPtr fromJSON (std::istream &in, const std::string &file, int &line, int &pos)
 Creates an Element from the given input stream, where we keep track of the location in the stream for error reporting.
 
static ElementPtr fromJSONFile (const std::string &file_name, bool preproc=false)
 Reads contents of specified file and interprets it as JSON.
 
static std::string typeToName (Element::types type)
 Returns the name of the given type as a string.
 
static Element::types nameToType (const std::string &type_name)
 Converts the string to the corresponding type Throws a TypeError if the name is unknown.
 
static void preprocess (std::istream &in, std::stringstream &out)
 input text preprocessor
 
static ElementPtr fromWire (std::stringstream &in, int length)
 These function pparse the wireformat at the given stringstream (of the given length).
 
static ElementPtr fromWire (const std::string &s)
 Creates an Element from the wire format in the given string Since the wire format is JSON, this is the same as fromJSON, and could be removed.
 
- Protected Member Functions inherited from isc::data::Element
 Element (types t, const Position &pos=ZERO_POSITION())
 Constructor.
 

Detailed Description

Definition at line 724 of file data.h.

Constructor & Destructor Documentation

◆ ListElement()

isc::data::ListElement::ListElement ( const Position pos = ZERO_POSITION())
inline

Definition at line 728 of file data.h.

Member Function Documentation

◆ add()

void isc::data::ListElement::add ( ElementPtr  element)
inlinevirtual

Adds an ElementPtr to the list.

Parameters
elementThe ElementPtr to add

Reimplemented from isc::data::Element.

Definition at line 748 of file data.h.

◆ empty()

bool isc::data::ListElement::empty ( ) const
inlinevirtual

Return true if there are no elements in the list.

Reimplemented from isc::data::Element.

Definition at line 753 of file data.h.

◆ equals()

bool isc::data::ListElement::equals ( const Element other) const
virtual
Returns
true if the other ElementPtr has the same value and the same type (or a different and compatible type), false otherwise.

Implements isc::data::Element.

Definition at line 1072 of file data.cc.

References isc::data::Element::equals(), isc::data::Element::get(), isc::data::Element::getType(), isc::data::Element::list, and isc::data::Element::size().

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◆ get() [1/3]

ConstElementPtr isc::data::Element::get ( const int  i) const
virtual

Returns the ElementPtr at the given index.

If the index is out of bounds, this function throws an std::out_of_range exception.

Parameters
iThe position of the ElementPtr to return

Reimplemented from isc::data::Element.

Definition at line 303 of file data.cc.

◆ get() [2/3]

ConstElementPtr isc::data::Element::get ( const std::string &  name) const
virtual

Returns the ElementPtr at the given key.

Parameters
nameThe key of the Element to return
Returns
The ElementPtr at the given key, or null if not present

Reimplemented from isc::data::Element.

Definition at line 342 of file data.cc.

◆ get() [3/3]

ConstElementPtr isc::data::ListElement::get ( int  i) const
inlinevirtual

Returns the ElementPtr at the given index.

If the index is out of bounds, this function throws an std::out_of_range exception.

Parameters
iThe position of the ElementPtr to return

Reimplemented from isc::data::Element.

Definition at line 742 of file data.h.

◆ getNonConst()

ElementPtr isc::data::ListElement::getNonConst ( int  i) const
inlinevirtual

returns element as non-const pointer

Parameters
iThe position of the ElementPtr to retrieve
Returns
specified element pointer

Reimplemented from isc::data::Element.

Definition at line 743 of file data.h.

◆ getValue() [1/7]

bool isc::data::Element::getValue ( bool &  t) const
virtual

Reimplemented from isc::data::Element.

Definition at line 266 of file data.cc.

◆ getValue() [2/7]

bool isc::data::Element::getValue ( double &  t) const
virtual

Reimplemented from isc::data::Element.

Definition at line 265 of file data.cc.

◆ getValue() [3/7]

bool isc::data::Element::getValue ( int64_t &  t) const
virtual

Reimplemented from isc::data::Element.

Definition at line 264 of file data.cc.

◆ getValue() [4/7]

bool isc::data::Element::getValue ( std::map< std::string, ConstElementPtr > &  t) const
virtual

Reimplemented from isc::data::Element.

Definition at line 269 of file data.cc.

◆ getValue() [5/7]

bool isc::data::Element::getValue ( std::string &  t) const
virtual

Reimplemented from isc::data::Element.

Definition at line 267 of file data.cc.

◆ getValue() [6/7]

bool isc::data::Element::getValue ( std::vector< ElementPtr > &  t) const
virtual

Reimplemented from isc::data::Element.

Definition at line 268 of file data.cc.

◆ getValue() [7/7]

bool isc::data::ListElement::getValue ( std::vector< ElementPtr > &  t) const
inlinevirtual

Reimplemented from isc::data::Element.

Definition at line 732 of file data.h.

◆ listValue()

const std::vector< ElementPtr > & isc::data::ListElement::listValue ( ) const
inlinevirtual

Reimplemented from isc::data::Element.

Definition at line 730 of file data.h.

◆ remove() [1/3]

void isc::data::Element::remove ( const int  i)
virtual

Removes the element at the given position.

If the index is out of nothing happens.

Parameters
iThe index of the element to remove.

Reimplemented from isc::data::Element.

Definition at line 324 of file data.cc.

◆ remove() [2/3]

void isc::data::Element::remove ( const std::string &  name)
virtual

Remove the ElementPtr at the given key.

Parameters
nameThe key of the Element to remove

Reimplemented from isc::data::Element.

Definition at line 351 of file data.cc.

◆ remove() [3/3]

void isc::data::ListElement::remove ( int  i)
inlinevirtual

Removes the element at the given position.

If the index is out of nothing happens.

Parameters
iThe index of the element to remove.

Reimplemented from isc::data::Element.

Definition at line 750 of file data.h.

◆ set() [1/3]

void isc::data::Element::set ( const size_t  i,
ElementPtr  element 
)
virtual

Sets the ElementPtr at the given index.

If the index is out of bounds, this function throws an std::out_of_range exception.

Parameters
iThe position of the ElementPtr to set
elementThe ElementPtr to set at the position

Reimplemented from isc::data::Element.

Definition at line 315 of file data.cc.

◆ set() [2/3]

void isc::data::Element::set ( const std::string &  name,
ConstElementPtr  element 
)
virtual

Sets the ElementPtr at the given key.

Parameters
nameThe key of the Element to set
elementThe ElementPtr to set at the given key.

Reimplemented from isc::data::Element.

Definition at line 347 of file data.cc.

◆ set() [3/3]

void isc::data::ListElement::set ( size_t  i,
ElementPtr  element 
)
inlinevirtual

Sets the ElementPtr at the given index.

If the index is out of bounds, this function throws an std::out_of_range exception.

Parameters
iThe position of the ElementPtr to set
elementThe ElementPtr to set at the position

Reimplemented from isc::data::Element.

Definition at line 745 of file data.h.

◆ setValue() [1/10]

bool isc::data::Element::setValue ( const bool  t)
virtual

Reimplemented from isc::data::Element.

Definition at line 287 of file data.cc.

◆ setValue() [2/10]

bool isc::data::Element::setValue ( const double  v)
virtual

Reimplemented from isc::data::Element.

Definition at line 286 of file data.cc.

◆ setValue() [3/10]

bool isc::data::Element::setValue ( const int  i)
inline

Definition at line 285 of file data.h.

◆ setValue() [4/10]

bool isc::data::Element::setValue ( const isc::util::int128_t v)
virtual

Reimplemented from isc::data::Element.

Definition at line 283 of file data.cc.

◆ setValue() [5/10]

bool isc::data::Element::setValue ( const long int  i)
inline

Definition at line 284 of file data.h.

◆ setValue() [6/10]

bool isc::data::Element::setValue ( const long long int  v)
virtual

Reimplemented from isc::data::Element.

Definition at line 282 of file data.cc.

◆ setValue() [7/10]

bool isc::data::Element::setValue ( const std::map< std::string, ConstElementPtr > &  v)
virtual

Reimplemented from isc::data::Element.

Definition at line 290 of file data.cc.

◆ setValue() [8/10]

bool isc::data::Element::setValue ( const std::string &  v)
virtual

Reimplemented from isc::data::Element.

Definition at line 288 of file data.cc.

◆ setValue() [9/10]

bool isc::data::Element::setValue ( const std::vector< ElementPtr > &  v)
virtual

Reimplemented from isc::data::Element.

Definition at line 289 of file data.cc.

◆ setValue() [10/10]

bool isc::data::ListElement::setValue ( const std::vector< ElementPtr > &  v)
inlinevirtual

Reimplemented from isc::data::Element.

Definition at line 737 of file data.h.

◆ size()

size_t isc::data::ListElement::size ( ) const
inlinevirtual

Returns the number of elements in the list.

Reimplemented from isc::data::Element.

Definition at line 752 of file data.h.

◆ sort()

void isc::data::ListElement::sort ( std::string const &  index = std::string())

Sorts the elements inside the list.

The list must contain elements of the same type. Call with the key by which you want to sort when the list contains maps. Nested lists are not supported. Call without a parameter when sorting any other type.

Parameters
indexthe key by which you want to sort when the list contains maps

Definition at line 1090 of file data.cc.

References isc_throw, isc::data::Element::list, and isc::data::Element::map.

◆ toJSON()

void isc::data::ListElement::toJSON ( std::ostream &  ss) const
virtual

Converts the Element to JSON format and appends it to the given stringstream.

Implements isc::data::Element.

Definition at line 922 of file data.cc.

References isc::data::Element::listValue().

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