require 'docx'

# Create a Docx::Document object for our existing docx file
doc = Docx::Document.open('example.docx')

# Retrieve and display paragraphs
doc.paragraphs.each do |p|
  puts p
end

# Retrieve and display bookmarks, returned as hash with bookmark names as keys and objects as values
doc.bookmarks.each_pair do |bookmark_name, bookmark_object|
  puts bookmark_name
end

require 'docx'

# Create a Docx::Document object for our existing docx file
doc = Docx::Document.open('example.docx')

# Insert a single line of text after one of our bookmarks
doc.bookmarks['example_bookmark'].insert_after("Hello world.")

# Insert multiple lines of text at our bookmark
doc.bookmarks['example_bookmark_2'].insert_multiple_lines_after(['Hello', 'World', 'foo'])

# Save document to specified path
doc.save('example-edited.docx')

require 'docx'

d = Docx::Document.open('example.docx')

# The Nokogiri::XML::Node on which an element is based can be accessed using #node
d.paragraphs.each do |p|
  puts p.node.inspect
end

# The #xpath and #at_xpath methods are delegated to the node from the element, saving a step
p_element = d.paragraphs.first
p_children = p_element.xpath("//child::*") # selects all children
p_child = p_element.at_xpath("//child::*") # selects first child