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xpath-predicate
is-subclass-of
- predicate [ superclass ]
is part of:
- XPath Location Step [ whole ]
xpath-language-concept
- XPath Set operator, Union
- XPath Location Step
- XPath Comparison Operator
- XPath Axis
- XPath collection
- XPath Location Path
- XPath context
- XPath Node Set
- XPath Predicates
- XPath Data Type
Types:
Comment:
check on existence of sub-elements, attributes, special values
example
//book[. = 'Dune']
example
..[./text() = "Rumsti"]
example
line[3] equiv to line[position() = 3]
Comment:
use AND, OR, NOT and ()
example
sonnet[@type="...."]
Comment:
many functions and operators available, not typed -- implicit conversion
Comment:
applies contraints on considered result node -- filter on node-sets
Comment:
select parts of a result collection via a predicate