Class: Evernote::EDAM::Type::Note::EnmlDocument

Inherits:
Nokogiri::XML::SAX::Document
  • Object
show all
Defined in:
lib/rnote/noun/note/converter.rb

Overview

simple xhtml to txt converter just tries to convert evernotes simple xhtml. the kind its own editors create. Which doesn’t involve much nesting.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ EnmlDocument

Returns a new instance of EnmlDocument.



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# File 'lib/rnote/noun/note/converter.rb', line 40

def initialize
  @_txt = ''
  @in_pre = false
  @next_number = 1
  @in_ul = false
  @in_ol = false
  @nested_div_count = 0
  super
end

Instance Attribute Details

#_txt ⇒ Object

Nokogiri SAX parser



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# File 'lib/rnote/noun/note/converter.rb', line 38

def _txt
  @_txt
end

#in_ol ⇒ Object

Nokogiri SAX parser



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# File 'lib/rnote/noun/note/converter.rb', line 38

def in_ol
  @in_ol
end

#in_pre ⇒ Object

Nokogiri SAX parser



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# File 'lib/rnote/noun/note/converter.rb', line 38

def in_pre
  @in_pre
end

#in_ul ⇒ Object

Nokogiri SAX parser



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# File 'lib/rnote/noun/note/converter.rb', line 38

def in_ul
  @in_ul
end

#nested_div_count ⇒ Object

Nokogiri SAX parser



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# File 'lib/rnote/noun/note/converter.rb', line 38

def nested_div_count
  @nested_div_count
end

#next_number ⇒ Object

Nokogiri SAX parser



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# File 'lib/rnote/noun/note/converter.rb', line 38

def next_number
  @next_number
end

Instance Method Details

#characters(string) ⇒ Object 



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# File 'lib/rnote/noun/note/converter.rb', line 54

def characters string
  
  if ! self.in_div and ! self.in_pre and string == "\n"
    # ignore lone newlines that occur outside a div
  else
    self._txt << string
  end
end

#end_element(name) ⇒ Object 



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# File 'lib/rnote/noun/note/converter.rb', line 93

def end_element name
  case name
    when 'div'
      raise "unmatched <div> tags" if self.nested_div_count <= 0
      self.nested_div_count -= 1
      # a newline for every div (whether its got a <br> in it or not)
      self._txt << "\n"
    when 'pre'
      self.in_pre = false
    when 'br'
      # ignore it, as its always in a div, and every div will be a newline anyways
    when 'ul'
      self.in_ul = false
    when 'ol'
      self.in_ol = false
    when 'li'
      # unnecessary, as we're in a div, so the other \n is kept
      # self._txt << "\n"
    else
      # nothing
  end
end

#in_div ⇒ Object 



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# File 'lib/rnote/noun/note/converter.rb', line 50

def in_div
  nested_div_count > 0
end

#start_element(name, attrs = []) ⇒ Object 



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# File 'lib/rnote/noun/note/converter.rb', line 63

def start_element name, attrs = []
  case name
    when 'en-todo'
      if Hash[attrs]['checked'] == 'true'
        self._txt << '[X] '
      else
        self._txt << '[ ] '
      end
    when 'div'
      self.nested_div_count += 1
    when 'pre'
      self.in_pre = true
    when 'ol'
      self.next_number = 1
      self.in_ol = true
    when 'ul'
      self.next_number = 1
      self.in_ul = true
    when 'li'
      if in_ol
        self._txt << next_number.to_s + '. '
        self.next_number += 1
      elsif in_ul
        self._txt << '* '
      end
    else
      # nothing
  end
end

#txt ⇒ Object 



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# File 'lib/rnote/noun/note/converter.rb', line 116

def txt
  # always remove the last newline. to match up with WYSIWYG interfaces.
  self._txt.chomp
end