Contents

#!/usr/bin/ruby
require 'rubygems'
require 'term/ansicolor'
require_relative "../lib/xml/smart"
include Term::ANSIColor

def rememberPath(path,output)
  @remember.include?(path) ? red + output + clear : output
end

def prnAttrs(node)
  str = node.attributes.collect{ |a| rememberPath(a.path,a.qname + '="' + a.to_s + '"') }.join(" ")
  str == "" ? "" :  " " + str
end

def prnTree(node,depth,mixed)
  print " " * depth unless mixed
  print "<" + rememberPath(node.path,node.qname.to_s) + prnAttrs(node) + ">"

  print "\n" if node.element_only? && !mixed
  node.children.each { |n|
    case n
      when XML::Smart::Dom::Element; prnTree(n,depth+2,node.mixed? | mixed)
      when XML::Smart::Dom::Text;
        print rememberPath(n.path,n.text)
    end
  }
  print " " * depth if node.element_only? && !mixed
  print "</" + rememberPath(node.path,node.qname.to_s) + ">"
  print "\n" unless mixed
end

def help
  puts "Usage: xpath_visual FILE \"XPATH\""
  exit
end

if ARGV.length < 2
  help
else
  # xpath expression that should be visualised
  xpath = ARGV[1..-1].join(' ') || "/"
  unless File.exists?(ARGV[0])
    help
  end
  doc = XML::Smart.open_unprotected(ARGV[0])
end

# remember pathes, that an xpath expression selects
@remember = []
message = ''
begin
  tmp = doc.find(xpath)
  if tmp === XML::Smart::Dom::NodeSet
    @remember = doc.find(xpath).collect { |n| n.path }
  else
    message = tmp
  end
rescue
  puts "Invalid XPath!"
end

# pretty print tree
puts bold + "Result:" + clear + " " + message.inspect + "\n"
puts bold + "XPath :" + clear + " " + xpath + "\n"
prnTree(doc.root,0,false)

Version data entries

4 entries across 4 versions & 1 rubygems

Version	Path
xml-smart-0.5.1	example/xpath_visual
xml-smart-0.5.0	example/xpath_visual
xml-smart-0.4.4	example/xpath_visual
xml-smart-0.4.3	example/xpath_visual