Class: ODFWriter::Bookmark

Inherits:
Field
  • Object
show all
Defined in:
lib/odf_writer/bookmark.rb

Overview

Bookmark: replace bookmarks with given name

Constant Summary

Constants inherited from Field

Field::DELIMITERS

Instance Attribute Summary

Attributes inherited from Field

#name

Instance Method Summary collapse

Methods inherited from Field

#field, #initialize, #value

Constructor Details

This class inherits a constructor from ODFWriter::Field

Instance Method Details

#replace!(doc, item = nil) ⇒ Object

replace!



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# File 'lib/odf_writer/bookmark.rb', line 36

def replace!(doc, item = nil)

  nodes = find_bookmark_nodes(doc)
  return if nodes.blank?
  
  text = value(item)
  text = text.encode(universal_newline: true)
  
  text_node_array = text.split(/\n/).map{|a| Nokogiri::XML::Text.new(a, doc) }
  unless text_node_array.length == 1
    text_node_array = text_node_array.inject([]) do |collector, node| 
      collector << Nokogiri::XML::Node.new("line-break", doc) unless collector.empty?
      collector << node
    end 
  end
  
  nodes.each do |node|
  
    case node.name
    
    when "bookmark"
      text_node_array.each {|tn| node.before(tn)}
      
      #
      # find bookmark
      #
      bm  =  "text:bookmark[@text:name='#{@name}']"
      bmn = doc.xpath(".//.//*[self::#{bm}]")
      #
      # delete bookmark
      #
      bmn.each  {|b| b.remove }
      
    when "bookmark-start"
      text_node_array.each {|tn| node.before(tn)}
      
      #
      # find bookmark-start 
      #
      bms  =  "text:bookmark-start[@text:name='#{@name}']"
      bmsn = doc.xpath(".//.//*[self::#{bms}]")
      #
      # find bookmark text 
      #
      bme  = "text:bookmark-end[@text:name='#{@name}']"
      bmen = doc.xpath(".//.//*[self::#{bme}]")
      #
      # find bookmark-end 
      #
      bmn  = doc.xpath(".//text()[preceding-sibling::#{bms} and following-sibling::#{bme}]")
      #
      # delete bookmark -start, text and -end
      #
      bmn.each  {|b| b.remove }
      bmsn.each {|b| b.remove }
      bmen.each {|b| b.remove }
      
    end #case
  end #each
  
end