Class: ActiveMigration::Converters::RtfToHtml

Inherits:
Object
  • Object
show all
Defined in:
lib/active_migration/converters/rtf_to_html.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ RtfToHtml

Returns a new instance of RtfToHtml.



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# File 'lib/active_migration/converters/rtf_to_html.rb', line 9

def initialize()
  @prefix = ''
  @suffix = ''
end

Instance Method Details

#add(open, close = open) ⇒ Object 



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# File 'lib/active_migration/converters/rtf_to_html.rb', line 14

def add(open, close = open)
  @prefix << "<#{open}>"
  @suffix = "</#{close}>#{@suffix}"
end

#format(str, section) ⇒ Object 



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# File 'lib/active_migration/converters/rtf_to_html.rb', line 19

def format(str, section)
  @prefix = ''
  @suffix = ''

  mods = section[:modifiers]

  if mods[:paragraph]
    if section[:text].empty?
      str << "<p></p>\n"
    else
      add('p')
    end

  elsif mods[:tab]
    str << "&nbsp;&nbsp;&nbsp;&nbsp;"
    return
  elsif mods[:newline]
    str << "<br />\n"
    return
  elsif mods[:rquote]
    str << "&rsquo;"
    return
  elsif mods[:lquote]
    str << "&lsquo;"
    return
  elsif mods[:ldblquote]
    str << "&ldquo;"
    return
  elsif mods[:rdblquote]
    str << "&rdquo;"
    return
  elsif mods[:emdash]
    str << "&mdash;"
    return
  elsif mods[:endash]
    str << "&ndash;"
    return
  elsif mods[:nbsp]
    str << "&nbsp;"
    return
  end
  return if section[:text].empty?

  add('b') if mods[:bold]
  add('i') if mods[:italic]
  add('u') if mods[:underline]
  add('sup') if mods[:superscript]
  add('sub') if mods[:subscript]
  add('del') if mods[:strikethrough]

  style = ''
  style << "font-variant: small-caps;" if mods[:smallcaps]
  style << "font-size: #{mods[:font_size]}pt;" if mods[:font_size]
  style << "font-family: \"#{mods[:font].name}\";" if mods[:font]
  if mods[:foreground_colour] && !mods[:foreground_colour].use_default?
    colour = mods[:foreground_colour]
    style << "color: rgb(#{colour.red},#{colour.green},#{colour.blue});"
  end
  if mods[:background_colour] && !mods[:background_colour].use_default?
    colour = mods[:background_colour]
    style << "background-color: rgb(#{colour.red},#{colour.green},#{colour.blue});"
  end

  add("span style='#{style}'", 'span') unless style.empty?

  str << @prefix + section[:text].force_encoding('UTF-8') + @suffix
end

#parse(contents) ⇒ Object 



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# File 'lib/active_migration/converters/rtf_to_html.rb', line 91

def parse(contents)
  doc = RubyRTF::Parser.new.parse(contents)
  
  str = ''
  
  doc.sections.each do |section|
    mods = section[:modifiers]

    if mods[:table]
      str << "<table width=\"100%\">\n"
      mods[:table].rows.each do |row|
        str << "<tr>\n"
        row.cells.each do |cell|
          str << "<td width=\"#{cell.width}%\">\n"
          cell.sections.each do |sect|
            format(str, sect)
          end
          str << "</td>\n"
        end
        str << "</tr>\n"
      end
      str << "</table>\n"
      next
    end

    format(str, section)
  end

  str
end

#parse_from_file(file) ⇒ Object 



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# File 'lib/active_migration/converters/rtf_to_html.rb', line 87

def parse_from_file(file)
  parse(File.open(ARGV[0]).read)
end