Atlas_Message_Element(3)
| Atlas::Message::Element(3) | Library Functions Manual | Atlas::Message::Element(3) |
NAME
Atlas::Message::Element - Multi-type container.
SYNOPSIS
#include <Element.h>
Classes
class DataType
Public Types
enum Type { TYPE_NONE, TYPE_INT,
TYPE_FLOAT, TYPE_PTR, TYPE_STRING, TYPE_MAP,
TYPE_LIST }
Public Member Functions
Element ()
Construct an empty object. Element (const Element &obj)
Copy an existing object. Element (int v)
Set type to int, and value to v. Element (bool v)
Set type to int, and value to v. Element (IntType v)
Set type to int, and value to v. Element (float v)
Set type to double, and value to v. Element (FloatType v)
Set type to double, and value to v. Element (PtrType v)
Set type to PtrType, and value to v. Element (const char *v)
Set type to std::string, and value to v. Element (const StringType
&v)
Set type to std::string, and value to v. Element (const MapType &v)
Set type to MapType, and value to v. Element (const ListType &v)
Set type to ListType, and value to v. Element & operator=
(const Element &obj)
overload assignment operator ! Element & operator= (int v)
Element & operator= (bool v)
Element & operator= (IntType v)
Element & operator= (float v)
Element & operator= (FloatType v)
Element & operator= (PtrType v)
Element & operator= (const char *v)
Element & operator= (const StringType &v)
Element & operator= (const MapType &v)
Element & operator= (const ListType &v)
bool operator== (const Element &o) const
Check for equality with another Element. template<class C > bool
operator!= (C c) const
Check for inequality with anything we can check equality with. bool
operator== (IntType v) const
Check for equality with a int. bool operator== (FloatType v) const
Check for equality with a double. bool operator== (PtrType v) const
Check for equality with a pointer. bool operator== (const char *v)
const
Check for equality with a const char *. bool operator== (const
StringType &v) const
Check for equality with a std::string. bool operator== (const MapType
&v) const
Check for equality with a MapType. bool operator== (const ListType
&v) const
Check for equality with a ListType. Type getType () const
Get the current type. bool isNone () const
Check whether the current type is nothing. bool isInt () const
Check whether the current type is int. bool isFloat () const
Check whether the current type is double. bool isPtr () const
Check whether the current type is pointer. bool isNum () const
Check whether the current type is numeric. bool isString () const
Check whether the current type is std::string. bool isMap () const
Check whether the current type is MapType. bool isList () const
Check whether the current type is ListType. IntType asInt () const
Retrieve the current value as a int. IntType Int () const
FloatType asFloat () const
Retrieve the current value as a double. FloatType Float () const
PtrType asPtr () const
Retrieve the current value as a pointer. PtrType Ptr () const
FloatType asNum () const
Retrieve the current value as a number. const std::string &
asString () const
Retrieve the current value as a const std::string reference. std::string &
asString ()
Retrieve the current value as a non-const std::string reference. const
StringType & String () const
StringType & String ()
const MapType & asMap () const
Retrieve the current value as a const MapType reference. MapType &
asMap ()
Retrieve the current value as a non-const MapType reference. const MapType
& Map () const
MapType & Map ()
const ListType & asList () const
Retrieve the current value as a const ListType reference. ListType &
asList ()
Retrieve the current value as a non-const ListType reference. const ListType
& List () const
ListType & List ()
Static Public Member Functions
static const char * typeName (Type)
Protected Attributes
Type t
union {
IntType i
FloatType f
void * p
DataType< StringType > * s
DataType< MapType > * m
DataType< ListType > * l
};
Detailed Description
Multi-type container.
FIXME: Document this
Author:
Changes:
2003/04/02 Al Riddcoh alriddoch@zepler.org Add in some assignment operators for efficiency 2002/11/07 Al Riddcoh alriddoch@zepler.org Changed the name to Element as Object is a stupid name for a class. 2000/08/05 Karsten-O. Laux klaux@rhrk.uni-kl.de Changed the members to pointers which only get created when really needed. This is a major speedup for passing Object as parameter or when copying it. Because copying of unused members is omitted. All pointers are stored as a union, so we save memory ! Changed IntType to long and added convinience Constructors for float, int and bool
Author
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| Tue Oct 10 2017 | Atlas-C++ |