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Name	Size	Permission	Date
dtd	[ DIR ]	drwxr-xr-x	2024-03-03 22:48
encodings	[ DIR ]	drwxr-xr-x	2024-03-03 22:48
formatters	[ DIR ]	drwxr-xr-x	2024-03-03 22:48
light	[ DIR ]	drwxr-xr-x	2024-03-03 22:48
parsers	[ DIR ]	drwxr-xr-x	2024-03-03 22:48
validation	[ DIR ]	drwxr-xr-x	2024-03-03 22:48
attlistdecl.rb	1.79 KB	-rw-r--r--	2008-06-06 08:05
attribute.rb	5.02 KB	-rw-r--r--	2008-04-18 07:22
cdata.rb	1.44 KB	-rw-r--r--	2008-04-18 07:22
child.rb	2.46 KB	-rw-r--r--	2007-02-12 23:01
comment.rb	2 KB	-rw-r--r--	2008-04-18 07:22
doctype.rb	6.64 KB	-rw-r--r--	2008-04-18 07:22
document.rb	7.93 KB	-rw-r--r--	2013-05-18 14:55
element.rb	43.24 KB	-rw-r--r--	2009-11-25 07:37
encoding.rb	2.08 KB	-rw-r--r--	2008-04-18 07:22
entity.rb	4.85 KB	-rw-r--r--	2009-02-05 00:03
functions.rb	10.8 KB	-rw-r--r--	2008-06-06 08:05
instruction.rb	1.9 KB	-rw-r--r--	2008-04-18 07:22
namespace.rb	1018 B	-rw-r--r--	2007-02-12 23:01
node.rb	1.93 KB	-rw-r--r--	2008-04-18 07:37
output.rb	385 B	-rw-r--r--	2007-02-12 23:01
parent.rb	4.4 KB	-rw-r--r--	2007-02-12 23:01
parseexception.rb	1.2 KB	-rw-r--r--	2007-02-12 23:01
quickpath.rb	7.65 KB	-rw-r--r--	2007-02-12 23:01
rexml.rb	1.71 KB	-rw-r--r--	2013-05-18 14:55
sax2listener.rb	3.45 KB	-rw-r--r--	2007-02-12 23:01
source.rb	7.06 KB	-rw-r--r--	2008-04-18 07:22
streamlistener.rb	3.71 KB	-rw-r--r--	2007-02-12 23:01
syncenumerator.rb	721 B	-rw-r--r--	2007-02-12 23:01
text.rb	11.15 KB	-rw-r--r--	2013-05-18 14:55
undefinednamespaceexception.rb	210 B	-rw-r--r--	2008-04-18 07:22
xmldecl.rb	2.65 KB	-rw-r--r--	2008-04-18 07:22
xmltokens.rb	506 B	-rw-r--r--	2007-02-12 23:01
xpath.rb	2.39 KB	-rw-r--r--	2008-06-06 08:05
xpath_parser.rb	25.15 KB	-rw-r--r--	2008-04-18 07:22

Rename

require 'rexml/functions'
require 'rexml/xpath_parser'

module REXML
	# Wrapper class.  Use this class to access the XPath functions.
	class XPath
		include Functions
		EMPTY_HASH = {}

# Finds and returns the first node that matches the supplied xpath.
		# element::
		# 	The context element
		# path::
		# 	The xpath to search for.  If not supplied or nil, returns the first
		# 	node matching '*'.
		# namespaces::
		# 	If supplied, a Hash which defines a namespace mapping.
		#
		#  XPath.first( node )
		#  XPath.first( doc, "//b"} )
		#  XPath.first( node, "a/x:b", { "x"=>"http://doofus" } )
    def XPath::first element, path=nil, namespaces=nil, variables={}
      raise "The namespaces argument, if supplied, must be a hash object." unless namespaces.nil? or namespaces.kind_of?(Hash)
      raise "The variables argument, if supplied, must be a hash object." unless variables.kind_of?(Hash)
			parser = XPathParser.new
			parser.namespaces = namespaces
			parser.variables = variables
			path = "*" unless path
			element = [element] unless element.kind_of? Array
			parser.parse(path, element).flatten[0]
		end

# Iterates over nodes that match the given path, calling the supplied
		# block with the match.
		# element::
		#   The context element
		# path::
		#   The xpath to search for.  If not supplied or nil, defaults to '*'
		# namespaces::
		# 	If supplied, a Hash which defines a namespace mapping
		#
		#  XPath.each( node ) { |el| ... }
		#  XPath.each( node, '/*[@attr='v']' ) { |el| ... }
		#  XPath.each( node, 'ancestor::x' ) { |el| ... }
		def XPath::each element, path=nil, namespaces=nil, variables={}, &block
      raise "The namespaces argument, if supplied, must be a hash object." unless namespaces.nil? or namespaces.kind_of?(Hash)
      raise "The variables argument, if supplied, must be a hash object." unless variables.kind_of?(Hash)
			parser = XPathParser.new
			parser.namespaces = namespaces
			parser.variables = variables
			path = "*" unless path
			element = [element] unless element.kind_of? Array
			parser.parse(path, element).each( &block )
		end

# Returns an array of nodes matching a given XPath.  
		def XPath::match element, path=nil, namespaces=nil, variables={}
			parser = XPathParser.new
			parser.namespaces = namespaces
			parser.variables = variables
			path = "*" unless path
			element = [element] unless element.kind_of? Array
			parser.parse(path,element)
		end
	end
end