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Contents
require_relative '../sequence_type'
module Saxon
module XPath
# Represents an XPath variable declaration in the static context of a
# compiled XPath, providing an idiomatic Ruby way to deal with these.
class VariableDeclaration
# @return [Saxon::QName]
attr_reader :qname
# @return [Saxon::SequenceType]
attr_reader :sequence_type
# @param qname [Saxon::QName] the name of the variable
# @param sequence_type [Saxon::SequenceType] the SequenceType of the
# variable
def initialize(qname, sequence_type)
@qname = qname
@sequence_type = sequence_type || Saxon.SequenceType('item()*')
end
# VariableDeclarations compare equal if their qname and sequence_type are equal
# @param other [Saxon::VariableDeclaration]
# @return [Boolean]
def ==(other)
VariableDeclaration === other && qname == other.qname && sequence_type == other.sequence_type
end
# @api private
# return the arguments XPathCompiler.declareVariable expects
def compiler_args
[qname.to_java, sequence_type.item_type.to_java, sequence_type.occurrence_indicator.to_java]
end
end
end
end
Version data entries
10 entries across 10 versions & 1 rubygems