THE XML REVOLUTION - TECHNOLOGIES FOR THE FUTURE WEB

Core function library

Node-set functions:

last()		returns the context size
position()		returns the context position
count(node-set)		number of nodes in node-set
name(node-set)		string representation of first node in node-set
...		...

String functions:

string(value) type cast to string
concat(string, string, ...) string concatenation
... ...

Boolean functions:

boolean(value) type cast to boolean
not(boolean) boolean negation
... ...

Number functions:

number(value) type cast to number
sum(node-set) sum of number value of each node in node-set
... ...

- see the XPath specification for the complete list.

number(value)		type cast to number
sum(node-set)		sum of number value of each node in node-set
...		...