Class: Hlt

Inherits:
Object
  • Object
show all
Defined in:
lib/hlt.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(raw_s, pretty: true, declaration: true, style: true, debug: false) ⇒ Hlt

Returns a new instance of Hlt.



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# File 'lib/hlt.rb', line 14

def initialize(raw_s, pretty: true, declaration: true, style: true, 
               debug: false)
  
      
  # strip out lines which are blank or only contain a comment
  #s = raw_s.lines.to_a.reject!{|x| x[/(^\s+\#\s)|(^\s*$)/] }
  
  raw_s.strip!
      
  s2, martile = fetch_martile raw_s
  s, xml_list = filter_xml(s2)

  #s = raw_s
  # strip out the text from the line containing a comment
  s.gsub!(/((^#\s|\s#\s).*)/,'').strip if s[/((^#\s|\s#\s).*)/]
  a_code = s.scan(/^\[([^\]]+)\]\n/).map(&:first)
  s.gsub!(/\n\[[^\]]+\]\n/, " !CODE\n")

  s2 = s.lines.to_a.map!{|line| 

    hash = "(\s*\{[^\}]+\})?"
                        
    line.prepend '  '

    line.sub!(/^(\s*)\w+: /,'\0' + "\n" + '\1')
                        
    r = line.sub(/^\s*(\w+)?(?:[\.#]\w+){1,}#{hash}/) do |x| 
                        
      raw_attrs = x.slice!(/\{.*\}/)
      attrs = raw_attrs[1..-2] if raw_attrs

      a2 = []
      tag = x[/(^\s*\w*)[#\.]/,1] || 'div'
      tag += 'div' if tag.strip.empty?

      x.sub(/(?:\.\w+){1,}/) do |x2|          
        a = x2[/(?:\.\w+){1,}/].split('.')
        a.shift
        a2 << "class: '%s'" % a.join(' ')
      end

      x.sub(/#\w+/) {|x2| a2 << "id: '%s'" % x2[1..-1] }

      a2 << attrs if attrs
      "%s {%s}" % [tag, a2.join(', ')]

    end

    r
  }
  
  s2.unshift "root\n"
  s3 = s2.join.gsub(/^(\s*)-\s+/,'\1templatecode ').\
                                     gsub(/^(\s*)=\s+/,'\1templateoutput ')

  raw_html = LineTree.new(s3, ignore_non_element: false).to_xml

  html = raw_html.gsub('!CODE').with_index do |x,i| 
    "\n\n" + a_code[i].lines.map{|x| ' ' * 4 + x}.join + "\n"
  end

  martile.each.with_index do |x,i|
    
    if @debug then
      puts 'i: ' + i.inspect
      puts 'x: ' + x.inspect
      puts 'html: ' + html.inspect
    end
    
    html.sub!(/<mar(tile|kdown):#{i.to_s}\/>/, RDiscount.new(\
                Martile.new(x).to_s).to_html\
          .gsub(/<(\w+)>\s*{style:\s*['"]([^'"]+)[^\}]+\}/,\
                '<\1 style=\'\2\'>'))
  end
  
  puts 'html_: ' + html.inspect if @debug
  
  doc = Rexle.new(html)
  
  xml_list.each.with_index do |xml,i|
    e = doc.root.element('//xml:' + i.to_s)
    e.insert_before Rexle.new(xml).root
    e.delete
  end
  
  # remove the style attributes from the document if style == false
  #
  if style == false then
    doc.root.xpath('//.[@style]').each do |e| 
      unless e.attributes[:style][/^clear:/] then
        e.attributes.delete :style 
      end
    end
  end    
  
  
  @doc = doc
  h = {declaration: declaration, pretty: pretty, style: style}
  html = doc.root.xpath('*'){|x| x.xml(h)}.join("\n")
  
  time = Time.now
  timestamp = time.strftime("#{ordinalize(time.day)} %B %Y @ %H:%M")
  comment = "\n  <!-- Generated by Hlt-site_builder on the %s -->\n" % timestamp

  html.sub!(/(?=<\/html>)/, comment)
  @to_html = html

end

Instance Attribute Details

#to_doc ⇒ Object (readonly)

Returns the value of attribute to_doc.



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# File 'lib/hlt.rb', line 12

def to_doc
  @to_doc
end

#to_html ⇒ Object (readonly)

Returns the value of attribute to_html.



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# File 'lib/hlt.rb', line 12

def to_html
  @to_html
end

Instance Method Details

#render(locals: {}) ⇒ Object 



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# File 'lib/hlt.rb', line 123

def render(locals: {})

  variables = locals.map do |key, value|
    "#{key} = locals['#{key}']"
  end

  s = "xml = RexleBuilder.new\n"
  s <<  scanbuild(@doc.to_a)

  a = eval variables.join("\n") + "\n" + s
  
  Rexle.new(a).element('root/.')

end