module RexPath

modifications:

22-Feb-2022: minor improvement: Replaced RXFHelper with RXFReader. 01-Feb-2019: bug fix: new line characters are no longer stripped

         between XSL elements
bug fix: An attribute variable value is now returned correctly

19-Jan-2018: feature: Implemented Rexslt#to_xml which returns pretty XML 16-Sep-2017: improvement: all predicates in an xsl:choose

condition now must be true

15-Sep-2017: feature: Implemented xsl_call_template 21-May-2016: bug fix: An update to the Rexle gem regarding the new

Rexle::Element::Attribute datatype caused the sort_by code
to break. This has now been rectified.

04-May-2016: bug fix: disabled the method which strips out all new

line spaces, and replaced it with a statement in the
read_raw_text() method which strips out space before and
after the text

03-May-2016: A returned HTML document will no longer include an

XML declaration by default

30-Apr-2016: bug fix: This class can now be executed within an

eval statement which runs within another class

24-Apr-2016: The position() function is now supported within an

xsl:value-of select attribute
An xsl:attribute value can now be rendered using
an xsl:text element

Public Instance Methods

attribute_scan(node) click to toggle source

# File lib/rexslt.rb, line 41
def attribute_scan(node)
  result = ''
  attr = %w(id class).detect {|x| node.attributes.has_key? x}
  if attr then
    value = node.attribute[attr]
    result = "[@%s='%s']" % [attr, value]
  end
  result
end

doc_scan(node, option=nil) click to toggle source

# File lib/rexslt.rb, line 51
def doc_scan(node, option=nil)
  name = node.name
  attribute = option == :no_cond ? '' : attribute_scan(node)
  result = doc_scan(node.parent,option) unless node.root === node.doc_root
  [result, name.to_s + attribute]
end

to_xpath(option=nil) click to toggle source

# File lib/rexslt.rb, line 40
def to_xpath(option=nil)
  def attribute_scan(node)
    result = ''
    attr = %w(id class).detect {|x| node.attributes.has_key? x}
    if attr then
      value = node.attribute[attr]
      result = "[@%s='%s']" % [attr, value]
    end
    result
  end

  def doc_scan(node, option=nil)
    name = node.name
    attribute = option == :no_cond ? '' : attribute_scan(node)
    result = doc_scan(node.parent,option) unless node.root === node.doc_root
    [result, name.to_s + attribute]
  end

  doc_scan(self, option).flatten.compact.join('/')
end