Access Examples

XPE arrays

Accessing elements of an array

one dimension

two dimension

three dimension

member of structure that is an element of an array of structures

element of an array that is a member of a structure

Determining the number of elements in an array

Determining the number of dimensions in an array

Multiple references to the same array

Sub-array (row slice)

Assigning runtime space for arrays

Changing the size of an array

Creating an array

Creating copies of arrays

Creating sparse arrays

Creating an array of structures

XPE structures

Accessing members of structures

Indirect members of structures

dynamic lookup by name

dynamic lookup by position

Arrays of structures and structures as elements of arrays

Multiple references to the same structure

Assigning runtime space for structures (creating a structure)

Adding members to a structure

Adding a structure as a member

Adding an array as a member

Creating a copy of a structure

Access from external C++ functions

external function interface

function context (applying an external method to an XPE object)

creating and returning an object from an external method

Access to XPE values from external C++ functions

Simple access to XPE value

as an integer

as a float

as a string

Converting a basic C value to an XPE value

C integer to XPE integer

C float to XPE float

C string to XPE string

Coercion from a basic C value to an XPE value

C integer to XPE integer

C float to XPE float

C string to XPE string

Access to XPE value depending on type

Accessing an element from an XPE array value

as an integer element

as a float element

as a string element

as an XPE value element

as an XPE variable element

Accessing a member of an XPE structure value

as an integer member

as a float member

as a string member

as an XPE value member

as an XPE variable member

Access to XPE parameters from external C++ functions

simple access to XPE parameters

as an integer

as a float

as a string

access to XPE parameter depending on type

copying the value of a parameter without knowing the type

to XPE variable

to XPE value

Access to XPE variables from external C++ functions

simple access to value of XPE variables

as an integer

as a float

as a string

writing a basic C value to an XPE variable

C integer to XPE variable

C float to XPE variable

C string to XPE variable

copying values between XPE variables without knowing the types of the values involved

incrementing an XPE variables that holds an integer

simple non-optimised version

optimised version

Access to XPE arrays from external C++ functions

Accessing elements of an XPE array

one dimentional

two dimentional

multi-dimentional

Determining the number of dimensions in an XPE array

Determining the number of elements in XPE array

one dimensional

uniform multi-dimensional

Performing operations on groups of elements of an XPE array

simple non-optimised access

optimised access

creating a new array

one dimentional

four dimentional

named one dimentional XPE array

Access to XPE structures from external C++ functions

Access to the member of an XPE structure

by name

by position

Performing operations on groups of members of an XPE structure

simple non-optimised access

optimised access

Determining the number of members in a structure

Printing the names and values of all the members in a structure

Creating a new structure

an anonymous structure

a named structure